| File: | root/firefox-clang/obj-x86_64-pc-linux-gnu/dom/serializers/./../../../dom/serializers/nsDocumentEncoder.cpp |
| Warning: | line 1570, column 3 Value stored to 'rv' is never read |
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| 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 4 | |
| 5 | /* |
| 6 | * Object that can be used to serialize selections, ranges, or nodes |
| 7 | * to strings in a gazillion different ways. |
| 8 | */ |
| 9 | |
| 10 | #include <utility> |
| 11 | |
| 12 | #include "mozilla/Encoding.h" |
| 13 | #include "mozilla/IntegerRange.h" |
| 14 | #include "mozilla/Maybe.h" |
| 15 | #include "mozilla/RangeBoundary.h" |
| 16 | #include "mozilla/Result.h" |
| 17 | #include "mozilla/ScopeExit.h" |
| 18 | #include "mozilla/StringBuffer.h" |
| 19 | #include "mozilla/TextControlElement.h" |
| 20 | #include "mozilla/UniquePtr.h" |
| 21 | #include "mozilla/dom/AbstractRange.h" |
| 22 | #include "mozilla/dom/ChildIterator.h" |
| 23 | #include "mozilla/dom/Comment.h" |
| 24 | #include "mozilla/dom/Document.h" |
| 25 | #include "mozilla/dom/DocumentType.h" |
| 26 | #include "mozilla/dom/Element.h" |
| 27 | #include "mozilla/dom/HTMLBRElement.h" |
| 28 | #include "mozilla/dom/ProcessingInstruction.h" |
| 29 | #include "mozilla/dom/Range.h" |
| 30 | #include "mozilla/dom/Selection.h" |
| 31 | #include "mozilla/dom/ShadowRoot.h" |
| 32 | #include "mozilla/dom/Text.h" |
| 33 | #include "nsCOMPtr.h" |
| 34 | #include "nsCRT.h" |
| 35 | #include "nsComponentManagerUtils.h" |
| 36 | #include "nsContentUtils.h" |
| 37 | #include "nsElementTable.h" |
| 38 | #include "nsGkAtoms.h" |
| 39 | #include "nsHTMLDocument.h" |
| 40 | #include "nsIContent.h" |
| 41 | #include "nsIContentInlines.h" |
| 42 | #include "nsIContentSerializer.h" |
| 43 | #include "nsIDocumentEncoder.h" |
| 44 | #include "nsIFrame.h" |
| 45 | #include "nsINode.h" |
| 46 | #include "nsIOutputStream.h" |
| 47 | #include "nsIScriptContext.h" |
| 48 | #include "nsIScriptGlobalObject.h" |
| 49 | #include "nsISupports.h" |
| 50 | #include "nsITransferable.h" |
| 51 | #include "nsLayoutUtils.h" |
| 52 | #include "nsMimeTypes.h" |
| 53 | #include "nsReadableUtils.h" |
| 54 | #include "nsTArray.h" |
| 55 | #include "nsUnicharUtils.h" |
| 56 | #include "nscore.h" |
| 57 | |
| 58 | using namespace mozilla; |
| 59 | using namespace mozilla::dom; |
| 60 | |
| 61 | enum nsRangeIterationDirection { kDirectionOut = -1, kDirectionIn = 1 }; |
| 62 | |
| 63 | class TextStreamer { |
| 64 | public: |
| 65 | /** |
| 66 | * @param aStream Will be kept alive by the TextStreamer. |
| 67 | * @param aUnicodeEncoder Needs to be non-nullptr. |
| 68 | */ |
| 69 | TextStreamer(nsIOutputStream& aStream, UniquePtr<Encoder> aUnicodeEncoder, |
| 70 | bool aIsPlainText, nsAString& aOutputBuffer); |
| 71 | |
| 72 | /** |
| 73 | * String will be truncated if it is written to stream. |
| 74 | */ |
| 75 | nsresult FlushIfStringLongEnough(); |
| 76 | |
| 77 | /** |
| 78 | * String will be truncated. |
| 79 | */ |
| 80 | nsresult ForceFlush(); |
| 81 | |
| 82 | private: |
| 83 | const static uint32_t kMaxLengthBeforeFlush = 1024; |
| 84 | |
| 85 | const static uint32_t kEncoderBufferSizeInBytes = 4096; |
| 86 | |
| 87 | nsresult EncodeAndWrite(); |
| 88 | |
| 89 | nsresult EncodeAndWriteAndTruncate(); |
| 90 | |
| 91 | const nsCOMPtr<nsIOutputStream> mStream; |
| 92 | const UniquePtr<Encoder> mUnicodeEncoder; |
| 93 | const bool mIsPlainText; |
| 94 | nsAString& mOutputBuffer; |
| 95 | }; |
| 96 | |
| 97 | TextStreamer::TextStreamer(nsIOutputStream& aStream, |
| 98 | UniquePtr<Encoder> aUnicodeEncoder, |
| 99 | bool aIsPlainText, nsAString& aOutputBuffer) |
| 100 | : mStream{&aStream}, |
| 101 | mUnicodeEncoder(std::move(aUnicodeEncoder)), |
| 102 | mIsPlainText(aIsPlainText), |
| 103 | mOutputBuffer(aOutputBuffer) { |
| 104 | MOZ_ASSERT(mUnicodeEncoder)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mUnicodeEncoder)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mUnicodeEncoder))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mUnicodeEncoder" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 104); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mUnicodeEncoder" ")"); do { MOZ_CrashSequence (__null, 104); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false); |
| 105 | } |
| 106 | |
| 107 | nsresult TextStreamer::FlushIfStringLongEnough() { |
| 108 | nsresult rv = NS_OK; |
| 109 | |
| 110 | if (mOutputBuffer.Length() > kMaxLengthBeforeFlush) { |
| 111 | rv = EncodeAndWriteAndTruncate(); |
| 112 | } |
| 113 | |
| 114 | return rv; |
| 115 | } |
| 116 | |
| 117 | nsresult TextStreamer::ForceFlush() { return EncodeAndWriteAndTruncate(); } |
| 118 | |
| 119 | nsresult TextStreamer::EncodeAndWrite() { |
| 120 | if (mOutputBuffer.IsEmpty()) { |
| 121 | return NS_OK; |
| 122 | } |
| 123 | |
| 124 | uint8_t buffer[kEncoderBufferSizeInBytes]; |
| 125 | auto src = Span(mOutputBuffer); |
| 126 | auto bufferSpan = Span(buffer); |
| 127 | // Reserve space for terminator |
| 128 | auto dst = bufferSpan.To(bufferSpan.Length() - 1); |
| 129 | for (;;) { |
| 130 | uint32_t result; |
| 131 | size_t read; |
| 132 | size_t written; |
| 133 | if (mIsPlainText) { |
| 134 | std::tie(result, read, written) = |
| 135 | mUnicodeEncoder->EncodeFromUTF16WithoutReplacement(src, dst, false); |
| 136 | if (result != kInputEmpty && result != kOutputFull) { |
| 137 | // There's always room for one byte in the case of |
| 138 | // an unmappable character, because otherwise |
| 139 | // we'd have gotten `kOutputFull`. |
| 140 | dst[written++] = '?'; |
| 141 | } |
| 142 | } else { |
| 143 | std::tie(result, read, written, std::ignore) = |
| 144 | mUnicodeEncoder->EncodeFromUTF16(src, dst, false); |
| 145 | } |
| 146 | src = src.From(read); |
| 147 | // Sadly, we still have test cases that implement nsIOutputStream in JS, so |
| 148 | // the buffer needs to be zero-terminated for XPConnect to do its thing. |
| 149 | // See bug 170416. |
| 150 | bufferSpan[written] = 0; |
| 151 | uint32_t streamWritten; |
| 152 | nsresult rv = mStream->Write(reinterpret_cast<char*>(dst.Elements()), |
| 153 | written, &streamWritten); |
| 154 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 155 | return rv; |
| 156 | } |
| 157 | if (result == kInputEmpty) { |
| 158 | return NS_OK; |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | nsresult TextStreamer::EncodeAndWriteAndTruncate() { |
| 164 | const nsresult rv = EncodeAndWrite(); |
| 165 | mOutputBuffer.Truncate(); |
| 166 | return rv; |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * The scope may be limited to either a selection, range, or node. |
| 171 | */ |
| 172 | class EncodingScope { |
| 173 | public: |
| 174 | /** |
| 175 | * @return true, iff the scope is limited to a selection, range or node. |
| 176 | */ |
| 177 | bool IsLimited() const; |
| 178 | |
| 179 | RefPtr<Selection> mSelection; |
| 180 | RefPtr<dom::Range> mRange; |
| 181 | nsCOMPtr<nsINode> mNode; |
| 182 | bool mNodeIsContainer = false; |
| 183 | }; |
| 184 | |
| 185 | bool EncodingScope::IsLimited() const { return mSelection || mRange || mNode; } |
| 186 | |
| 187 | struct RangeBoundariesInclusiveAncestorsAndOffsets { |
| 188 | /** |
| 189 | * https://dom.spec.whatwg.org/#concept-tree-inclusive-ancestor. |
| 190 | */ |
| 191 | using InclusiveAncestors = AutoTArray<nsIContent*, 8>; |
| 192 | |
| 193 | /** |
| 194 | * https://dom.spec.whatwg.org/#concept-tree-inclusive-ancestor. |
| 195 | */ |
| 196 | using InclusiveAncestorsOffsets = AutoTArray<Maybe<uint32_t>, 8>; |
| 197 | |
| 198 | // The first node is the range's boundary node, the following ones the |
| 199 | // ancestors. |
| 200 | InclusiveAncestors mInclusiveAncestorsOfStart; |
| 201 | // The first offset represents where at the boundary node the range starts. |
| 202 | // Each other offset is the index of the child relative to its parent. |
| 203 | InclusiveAncestorsOffsets mInclusiveAncestorsOffsetsOfStart; |
| 204 | |
| 205 | // The first node is the range's boundary node, the following one the |
| 206 | // ancestors. |
| 207 | InclusiveAncestors mInclusiveAncestorsOfEnd; |
| 208 | // The first offset represents where at the boundary node the range ends. |
| 209 | // Each other offset is the index of the child relative to its parent. |
| 210 | InclusiveAncestorsOffsets mInclusiveAncestorsOffsetsOfEnd; |
| 211 | }; |
| 212 | |
| 213 | struct ContextInfoDepth { |
| 214 | uint32_t mStart = 0; |
| 215 | uint32_t mEnd = 0; |
| 216 | }; |
| 217 | |
| 218 | class nsDocumentEncoder : public nsIDocumentEncoder { |
| 219 | protected: |
| 220 | class RangeNodeContext { |
| 221 | public: |
| 222 | virtual ~RangeNodeContext() = default; |
| 223 | |
| 224 | virtual bool IncludeInContext(nsINode& aNode) const; |
| 225 | |
| 226 | virtual int32_t GetImmediateContextCount( |
| 227 | const nsTArray<nsINode*>& aAncestorArray) const { |
| 228 | return -1; |
| 229 | } |
| 230 | }; |
| 231 | |
| 232 | public: |
| 233 | nsDocumentEncoder(); |
| 234 | |
| 235 | protected: |
| 236 | /** |
| 237 | * @param aRangeNodeContext has to be non-null. |
| 238 | */ |
| 239 | explicit nsDocumentEncoder(UniquePtr<RangeNodeContext> aRangeNodeContext); |
| 240 | |
| 241 | public: |
| 242 | NS_DECL_CYCLE_COLLECTING_ISUPPORTSpublic: virtual nsresult QueryInterface(const nsIID& aIID , void** aInstancePtr) override; virtual MozExternalRefCountType AddRef(void) override; virtual MozExternalRefCountType Release (void) override; using HasThreadSafeRefCnt = std::false_type; protected: nsCycleCollectingAutoRefCnt mRefCnt; nsAutoOwningThread _mOwningThread; public: virtual void DeleteCycleCollectable( void); public: |
| 243 | NS_DECL_CYCLE_COLLECTION_CLASS(nsDocumentEncoder)class cycleCollection : public nsXPCOMCycleCollectionParticipant { public: constexpr explicit cycleCollection(Flags aFlags = 0 ) : nsXPCOMCycleCollectionParticipant(aFlags) {} private: public : virtual nsresult TraverseNative(void* p, nsCycleCollectionTraversalCallback & cb) override; virtual const char* ClassName() override { return "nsDocumentEncoder"; }; virtual void DeleteCycleCollectable (void* p) override { DowncastCCParticipant<nsDocumentEncoder >(p)->DeleteCycleCollectable(); } static nsDocumentEncoder * Downcast(nsISupports* s) { return static_cast<nsDocumentEncoder *>(static_cast<nsDocumentEncoder*>(s)); } static nsISupports * Upcast(nsDocumentEncoder* p) { return static_cast<nsISupports *>(static_cast<nsDocumentEncoder*>(p)); } virtual void Unlink(void* p) override; static constexpr nsXPCOMCycleCollectionParticipant * GetParticipant() { return &nsDocumentEncoder::_cycleCollectorGlobal ; } }; clang diagnostic push clang diagnostic ignored "-Wunnecessary-virtual-specifier" virtual void CheckForRightParticipant() clang diagnostic pop { nsXPCOMCycleCollectionParticipant* p; CallQueryInterface( this, &p); do { static_assert( mozilla::detail::AssertionConditionType <decltype(p == &_cycleCollectorGlobal)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(p == &_cycleCollectorGlobal ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "p == &_cycleCollectorGlobal" " (" "nsDocumentEncoder" " should QI to its own CC participant" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp", 243 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "p == &_cycleCollectorGlobal" ") (" "nsDocumentEncoder" " should QI to its own CC participant" ")"); do { MOZ_CrashSequence(__null, 243); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } static cycleCollection _cycleCollectorGlobal; clang diagnostic push clang diagnostic ignored "-Wunnecessary-virtual-specifier" virtual void BaseCycleCollectable () final{} clang diagnostic pop |
| 244 | NS_DECL_NSIDOCUMENTENCODERvirtual nsresult Init(mozilla::dom::Document *aDocument, const nsAString& aMimeType, uint32_t aFlags) override; virtual nsresult SetSelection(mozilla::dom::Selection *aSelection) override ; virtual nsresult SetRange(mozilla::dom::Range *aRange) override ; virtual nsresult SetNode(nsINode *aNode) override; virtual nsresult SetContainerNode(nsINode *aContainer) override; virtual nsresult SetCharset(const nsACString& aCharset) override; virtual nsresult SetWrapColumn(uint32_t aWrapColumn) override; virtual nsresult GetMimeType(nsAString& aMimeType) override; virtual nsresult EncodeToStream(nsIOutputStream *aStream) override; virtual nsresult EncodeToString(nsAString& _retval) override; virtual nsresult EncodeToStringWithContext(nsAString& aContextString , nsAString& aInfoString, nsAString& _retval) override ; virtual nsresult EncodeToStringWithMaxLength(uint32_t aMaxLength , nsAString& _retval) override; virtual nsresult SetNodeFixup (nsIDocumentEncoderNodeFixup *aFixup) override; |
| 245 | |
| 246 | protected: |
| 247 | virtual ~nsDocumentEncoder(); |
| 248 | |
| 249 | void Initialize(bool aClearCachedSerializer = true, |
| 250 | AllowRangeCrossShadowBoundary aAllowCrossShadowBoundary = |
| 251 | AllowRangeCrossShadowBoundary::No); |
| 252 | |
| 253 | /** |
| 254 | * @param aMaxLength As described at |
| 255 | * `nsIDocumentEncodder.encodeToStringWithMaxLength`. |
| 256 | */ |
| 257 | nsresult SerializeDependingOnScope(uint32_t aMaxLength); |
| 258 | |
| 259 | nsresult SerializeSelection(); |
| 260 | |
| 261 | nsresult SerializeNode(); |
| 262 | |
| 263 | /** |
| 264 | * @param aMaxLength As described at |
| 265 | * `nsIDocumentEncodder.encodeToStringWithMaxLength`. |
| 266 | */ |
| 267 | nsresult SerializeWholeDocument(uint32_t aMaxLength); |
| 268 | |
| 269 | /** |
| 270 | * @param aFlags multiple of the flags defined in nsIDocumentEncoder.idl.o |
| 271 | */ |
| 272 | static bool IsInvisibleNodeAndShouldBeSkipped(const nsINode& aNode, |
| 273 | const uint32_t aFlags) { |
| 274 | if (aFlags & SkipInvisibleContent) { |
| 275 | // Treat the visibility of the ShadowRoot as if it were |
| 276 | // the host content. |
| 277 | // |
| 278 | // FIXME(emilio): I suspect instead of this a bunch of the GetParent() |
| 279 | // calls here should be doing GetFlattenedTreeParent, then this condition |
| 280 | // should be unreachable... |
| 281 | const nsINode* node{&aNode}; |
| 282 | if (const ShadowRoot* shadowRoot = ShadowRoot::FromNode(node)) { |
| 283 | node = shadowRoot->GetHost(); |
| 284 | } |
| 285 | |
| 286 | if (node->IsContent()) { |
| 287 | nsIFrame* frame = node->AsContent()->GetPrimaryFrame(); |
| 288 | if (!frame) { |
| 289 | if (node->IsElement() && node->AsElement()->IsDisplayContents()) { |
| 290 | return false; |
| 291 | } |
| 292 | if (node->IsText()) { |
| 293 | // We have already checked that our parent is visible. |
| 294 | // |
| 295 | // FIXME(emilio): Text not assigned to a <slot> in Shadow DOM should |
| 296 | // probably return false... |
| 297 | return false; |
| 298 | } |
| 299 | if (node->IsHTMLElement(nsGkAtoms::rp)) { |
| 300 | // Ruby parentheses are part of ruby structure, hence |
| 301 | // shouldn't be stripped out even if it is not displayed. |
| 302 | return false; |
| 303 | } |
| 304 | return true; |
| 305 | } |
| 306 | if (node->IsText() && |
| 307 | (!frame->StyleVisibility()->IsVisible() || |
| 308 | frame->IsHiddenByContentVisibilityOnAnyAncestor())) { |
| 309 | return true; |
| 310 | } |
| 311 | } |
| 312 | } |
| 313 | return false; |
| 314 | } |
| 315 | |
| 316 | void ReleaseDocumentReferenceAndInitialize(bool aClearCachedSerializer); |
| 317 | |
| 318 | class MOZ_STACK_CLASS AutoReleaseDocumentIfNeeded final { |
| 319 | public: |
| 320 | explicit AutoReleaseDocumentIfNeeded(nsDocumentEncoder* aEncoder) |
| 321 | : mEncoder(aEncoder) {} |
| 322 | |
| 323 | ~AutoReleaseDocumentIfNeeded() { |
| 324 | if (mEncoder->mFlags & RequiresReinitAfterOutput) { |
| 325 | const bool clearCachedSerializer = false; |
| 326 | mEncoder->ReleaseDocumentReferenceAndInitialize(clearCachedSerializer); |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | private: |
| 331 | nsDocumentEncoder* mEncoder; |
| 332 | }; |
| 333 | |
| 334 | nsCOMPtr<Document> mDocument; |
| 335 | EncodingScope mEncodingScope; |
| 336 | nsCOMPtr<nsIContentSerializer> mSerializer; |
| 337 | |
| 338 | Maybe<TextStreamer> mTextStreamer; |
| 339 | nsCOMPtr<nsIDocumentEncoderNodeFixup> mNodeFixup; |
| 340 | |
| 341 | nsString mMimeType; |
| 342 | const Encoding* mEncoding; |
| 343 | // Multiple of the flags defined in nsIDocumentEncoder.idl. |
| 344 | uint32_t mFlags; |
| 345 | uint32_t mWrapColumn; |
| 346 | // Whether the serializer cares about being notified to scan elements to |
| 347 | // keep track of whether they are preformatted. This stores the out |
| 348 | // argument of nsIContentSerializer::Init(). |
| 349 | bool mNeedsPreformatScanning; |
| 350 | bool mIsCopying; // Set to true only while copying |
| 351 | RefPtr<StringBuffer> mCachedBuffer; |
| 352 | |
| 353 | class NodeSerializer { |
| 354 | public: |
| 355 | /** |
| 356 | * @param aFlags multiple of the flags defined in nsIDocumentEncoder.idl. |
| 357 | */ |
| 358 | NodeSerializer(const bool& aNeedsPreformatScanning, |
| 359 | const nsCOMPtr<nsIContentSerializer>& aSerializer, |
| 360 | const uint32_t& aFlags, |
| 361 | const nsCOMPtr<nsIDocumentEncoderNodeFixup>& aNodeFixup, |
| 362 | Maybe<TextStreamer>& aTextStreamer) |
| 363 | : mNeedsPreformatScanning{aNeedsPreformatScanning}, |
| 364 | mSerializer{aSerializer}, |
| 365 | mFlags{aFlags}, |
| 366 | mNodeFixup{aNodeFixup}, |
| 367 | mTextStreamer{aTextStreamer} {} |
| 368 | |
| 369 | nsresult SerializeNodeStart(nsINode& aOriginalNode, int32_t aStartOffset, |
| 370 | int32_t aEndOffset, |
| 371 | nsINode* aFixupNode = nullptr) const; |
| 372 | |
| 373 | enum class SerializeRoot { eYes, eNo }; |
| 374 | |
| 375 | nsresult SerializeToStringRecursive(nsINode* aNode, |
| 376 | SerializeRoot aSerializeRoot, |
| 377 | uint32_t aMaxLength = 0) const; |
| 378 | |
| 379 | nsresult SerializeNodeEnd(nsINode& aOriginalNode, |
| 380 | nsINode* aFixupNode = nullptr) const; |
| 381 | |
| 382 | [[nodiscard]] nsresult SerializeTextNode(nsINode& aNode, |
| 383 | int32_t aStartOffset, |
| 384 | int32_t aEndOffset) const; |
| 385 | |
| 386 | nsresult SerializeToStringIterative(nsINode* aNode) const; |
| 387 | |
| 388 | private: |
| 389 | const bool& mNeedsPreformatScanning; |
| 390 | const nsCOMPtr<nsIContentSerializer>& mSerializer; |
| 391 | // Multiple of the flags defined in nsIDocumentEncoder.idl. |
| 392 | const uint32_t& mFlags; |
| 393 | const nsCOMPtr<nsIDocumentEncoderNodeFixup>& mNodeFixup; |
| 394 | Maybe<TextStreamer>& mTextStreamer; |
| 395 | }; |
| 396 | |
| 397 | NodeSerializer mNodeSerializer; |
| 398 | |
| 399 | const UniquePtr<RangeNodeContext> mRangeNodeContext; |
| 400 | |
| 401 | struct RangeContextSerializer final { |
| 402 | RangeContextSerializer(const RangeNodeContext& aRangeNodeContext, |
| 403 | const NodeSerializer& aNodeSerializer) |
| 404 | : mDisableContextSerialize{false}, |
| 405 | mRangeNodeContext{aRangeNodeContext}, |
| 406 | mNodeSerializer{aNodeSerializer} {} |
| 407 | |
| 408 | nsresult SerializeRangeContextStart( |
| 409 | const nsTArray<nsINode*>& aAncestorArray); |
| 410 | nsresult SerializeRangeContextEnd(); |
| 411 | |
| 412 | // Used when context has already been serialized for |
| 413 | // table cell selections (where parent is <tr>) |
| 414 | bool mDisableContextSerialize; |
| 415 | AutoTArray<AutoTArray<nsINode*, 8>, 8> mRangeContexts; |
| 416 | |
| 417 | const RangeNodeContext& mRangeNodeContext; |
| 418 | |
| 419 | private: |
| 420 | const NodeSerializer& mNodeSerializer; |
| 421 | }; |
| 422 | |
| 423 | RangeContextSerializer mRangeContextSerializer; |
| 424 | |
| 425 | struct RangeSerializer { |
| 426 | // @param aFlags multiple of the flags defined in nsIDocumentEncoder.idl. |
| 427 | RangeSerializer(const uint32_t& aFlags, |
| 428 | const NodeSerializer& aNodeSerializer, |
| 429 | RangeContextSerializer& aRangeContextSerializer) |
| 430 | : mStartRootIndex{0}, |
| 431 | mEndRootIndex{0}, |
| 432 | mHaltRangeHint{false}, |
| 433 | mFlags{aFlags}, |
| 434 | mNodeSerializer{aNodeSerializer}, |
| 435 | mRangeContextSerializer{aRangeContextSerializer} {} |
| 436 | |
| 437 | void Initialize(AllowRangeCrossShadowBoundary aAllowCrossShadowBoundary); |
| 438 | |
| 439 | /** |
| 440 | * @param aDepth the distance (number of `GetParent` calls) from aNode to |
| 441 | * aRange's closest common inclusive ancestor. |
| 442 | */ |
| 443 | nsresult SerializeRangeNodes(const dom::Range* aRange, nsINode* aNode, |
| 444 | int32_t aDepth); |
| 445 | |
| 446 | /** |
| 447 | * Serialize aContent's children from aStartOffset to aEndOffset. |
| 448 | * |
| 449 | * @param aDepth the distance (number of `GetParent` calls) from aContent to |
| 450 | * aRange's closest common inclusive ancestor. |
| 451 | */ |
| 452 | [[nodiscard]] nsresult SerializeChildrenOfContent(nsIContent& aContent, |
| 453 | uint32_t aStartOffset, |
| 454 | uint32_t aEndOffset, |
| 455 | const dom::Range* aRange, |
| 456 | int32_t aDepth); |
| 457 | |
| 458 | nsresult SerializeRangeToString(const dom::Range* aRange); |
| 459 | |
| 460 | /** |
| 461 | * https://dom.spec.whatwg.org/#concept-tree-inclusive-ancestor. |
| 462 | */ |
| 463 | nsCOMPtr<nsINode> mClosestCommonInclusiveAncestorOfRange; |
| 464 | |
| 465 | /** |
| 466 | * https://dom.spec.whatwg.org/#concept-tree-inclusive-ancestor. |
| 467 | */ |
| 468 | AutoTArray<nsINode*, 8> mCommonInclusiveAncestors; |
| 469 | |
| 470 | ContextInfoDepth mContextInfoDepth; |
| 471 | |
| 472 | private: |
| 473 | struct StartAndEndContent { |
| 474 | nsCOMPtr<nsIContent> mStart; |
| 475 | nsCOMPtr<nsIContent> mEnd; |
| 476 | }; |
| 477 | |
| 478 | StartAndEndContent GetStartAndEndContentForRecursionLevel( |
| 479 | int32_t aDepth) const; |
| 480 | |
| 481 | bool HasInvisibleParentAndShouldBeSkipped(nsINode& aNode) const; |
| 482 | |
| 483 | nsresult SerializeNodePartiallyContainedInRange( |
| 484 | nsIContent& aContent, const StartAndEndContent& aStartAndEndContent, |
| 485 | const dom::Range& aRange, int32_t aDepth); |
| 486 | |
| 487 | nsresult SerializeTextNode(nsIContent& aContent, |
| 488 | const StartAndEndContent& aStartAndEndContent, |
| 489 | const dom::Range& aRange) const; |
| 490 | |
| 491 | RangeBoundariesInclusiveAncestorsAndOffsets |
| 492 | mRangeBoundariesInclusiveAncestorsAndOffsets; |
| 493 | int32_t mStartRootIndex; |
| 494 | int32_t mEndRootIndex; |
| 495 | bool mHaltRangeHint; |
| 496 | |
| 497 | // Multiple of the flags defined in nsIDocumentEncoder.idl. |
| 498 | const uint32_t& mFlags; |
| 499 | |
| 500 | const NodeSerializer& mNodeSerializer; |
| 501 | RangeContextSerializer& mRangeContextSerializer; |
| 502 | |
| 503 | AllowRangeCrossShadowBoundary mAllowCrossShadowBoundary = |
| 504 | AllowRangeCrossShadowBoundary::No; |
| 505 | }; |
| 506 | |
| 507 | RangeSerializer mRangeSerializer; |
| 508 | }; |
| 509 | |
| 510 | void nsDocumentEncoder::RangeSerializer::Initialize( |
| 511 | AllowRangeCrossShadowBoundary aAllowCrossShadowBoundary) { |
| 512 | mContextInfoDepth = {}; |
| 513 | mStartRootIndex = 0; |
| 514 | mEndRootIndex = 0; |
| 515 | mHaltRangeHint = false; |
| 516 | mClosestCommonInclusiveAncestorOfRange = nullptr; |
| 517 | mRangeBoundariesInclusiveAncestorsAndOffsets = {}; |
| 518 | mAllowCrossShadowBoundary = aAllowCrossShadowBoundary; |
| 519 | } |
| 520 | |
| 521 | NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDocumentEncoder)MozExternalRefCountType nsDocumentEncoder::AddRef(void) { static_assert (!std::is_destructible_v<nsDocumentEncoder>, "Reference-counted class " "nsDocumentEncoder" " should not have a public destructor. " "Make this class's destructor non-public"); do { static_assert ( mozilla::detail::AssertionConditionType<decltype(int32_t (mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 521); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { MOZ_CrashSequence(__null, 521 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("nsDocumentEncoder" " not thread-safe" ); nsISupports* base = nsDocumentEncoder::cycleCollection::Upcast (this); nsrefcnt count = mRefCnt.incr(base); NS_LogAddRef((this ), (count), ("nsDocumentEncoder"), (uint32_t)(sizeof(*this))) ; return count; } |
| 522 | NS_IMPL_CYCLE_COLLECTING_RELEASE_WITH_LAST_RELEASE(MozExternalRefCountType nsDocumentEncoder::Release(void) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) > 0))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 523); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { MOZ_CrashSequence(__null, 523 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("nsDocumentEncoder" " not thread-safe" ); bool shouldDelete = false; nsISupports* base = nsDocumentEncoder ::cycleCollection::Upcast(this); nsrefcnt count = mRefCnt.decr (base, &shouldDelete); NS_LogRelease((this), (count), ("nsDocumentEncoder" )); if (count == 0) { mRefCnt.incr(base); ReleaseDocumentReferenceAndInitialize (true); mRefCnt.decr(base); NS_CycleCollectableHasRefCntZero( ); if (shouldDelete) { mRefCnt.stabilizeForDeletion(); DeleteCycleCollectable (); } } return count; } void nsDocumentEncoder::DeleteCycleCollectable (void) { delete this; } |
| 523 | nsDocumentEncoder, ReleaseDocumentReferenceAndInitialize(true))MozExternalRefCountType nsDocumentEncoder::Release(void) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) > 0))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 523); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { MOZ_CrashSequence(__null, 523 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("nsDocumentEncoder" " not thread-safe" ); bool shouldDelete = false; nsISupports* base = nsDocumentEncoder ::cycleCollection::Upcast(this); nsrefcnt count = mRefCnt.decr (base, &shouldDelete); NS_LogRelease((this), (count), ("nsDocumentEncoder" )); if (count == 0) { mRefCnt.incr(base); ReleaseDocumentReferenceAndInitialize (true); mRefCnt.decr(base); NS_CycleCollectableHasRefCntZero( ); if (shouldDelete) { mRefCnt.stabilizeForDeletion(); DeleteCycleCollectable (); } } return count; } void nsDocumentEncoder::DeleteCycleCollectable (void) { delete this; } |
| 524 | |
| 525 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDocumentEncoder)nsresult nsDocumentEncoder::QueryInterface(const nsIID& aIID , void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 525); MOZ_PretendNoReturn(); } } while (0); nsISupports* foundInterface ; if (TopThreeWordsEquals( aIID, (nsXPCOMCycleCollectionParticipant ::kIID), (nsCycleCollectionISupports::kIID)) && (LowWordEquals (aIID, (nsXPCOMCycleCollectionParticipant::kIID)) || LowWordEquals (aIID, (nsCycleCollectionISupports::kIID)))) { if (LowWordEquals (aIID, (nsXPCOMCycleCollectionParticipant::kIID))) { *aInstancePtr = nsDocumentEncoder::cycleCollection::GetParticipant(); return NS_OK; } if (LowWordEquals(aIID, (nsCycleCollectionISupports ::kIID))) { *aInstancePtr = nsDocumentEncoder::cycleCollection ::Upcast(this); return NS_OK; } foundInterface = nullptr; } else |
| 526 | NS_INTERFACE_MAP_ENTRY(nsIDocumentEncoder)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIDocumentEncoder>)) foundInterface = static_cast<nsIDocumentEncoder*>(this); else |
| 527 | NS_INTERFACE_MAP_ENTRY(nsISupports)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsISupports>)) foundInterface = static_cast <nsISupports*>(this); else |
| 528 | NS_INTERFACE_MAP_ENDfoundInterface = 0; nsresult status; if (!foundInterface) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aIID.Equals((nsISupports::kIID)))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!aIID.Equals((nsISupports::kIID ))))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("!aIID.Equals((nsISupports::kIID))", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 528); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aIID.Equals((nsISupports::kIID))" ")"); do { MOZ_CrashSequence(__null, 528); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); status = NS_NOINTERFACE ; } else { (foundInterface)->AddRef(); status = NS_OK; } * aInstancePtr = foundInterface; return status; } |
| 529 | |
| 530 | NS_IMPL_CYCLE_COLLECTION(nsDocumentEncoder::cycleCollection nsDocumentEncoder::_cycleCollectorGlobal ; void nsDocumentEncoder::cycleCollection::Unlink(void* p) { nsDocumentEncoder * tmp = DowncastCCParticipant<nsDocumentEncoder>(p); ImplCycleCollectionUnlink (tmp->mDocument); ImplCycleCollectionUnlink(tmp->mEncodingScope .mSelection); ImplCycleCollectionUnlink(tmp->mEncodingScope .mRange); ImplCycleCollectionUnlink(tmp->mEncodingScope.mNode ); ImplCycleCollectionUnlink(tmp->mSerializer); ImplCycleCollectionUnlink (tmp->mRangeSerializer.mClosestCommonInclusiveAncestorOfRange ); (void)tmp; } nsresult nsDocumentEncoder::cycleCollection:: TraverseNative( void* p, nsCycleCollectionTraversalCallback& cb) { nsDocumentEncoder* tmp = DowncastCCParticipant<nsDocumentEncoder >(p); cb.DescribeRefCountedNode(tmp->mRefCnt.get(), "nsDocumentEncoder" ); ImplCycleCollectionTraverse(cb, tmp->mDocument, "mDocument" , 0); ImplCycleCollectionTraverse(cb, tmp->mEncodingScope. mSelection, "mEncodingScope.mSelection", 0); ImplCycleCollectionTraverse (cb, tmp->mEncodingScope.mRange, "mEncodingScope.mRange", 0 ); ImplCycleCollectionTraverse(cb, tmp->mEncodingScope.mNode , "mEncodingScope.mNode", 0); ImplCycleCollectionTraverse(cb, tmp->mSerializer, "mSerializer", 0); ImplCycleCollectionTraverse (cb, tmp->mRangeSerializer.mClosestCommonInclusiveAncestorOfRange , "mRangeSerializer.mClosestCommonInclusiveAncestorOfRange", 0 ); (void)tmp; return NS_OK; } |
| 531 | nsDocumentEncoder, mDocument, mEncodingScope.mSelection,nsDocumentEncoder::cycleCollection nsDocumentEncoder::_cycleCollectorGlobal ; void nsDocumentEncoder::cycleCollection::Unlink(void* p) { nsDocumentEncoder * tmp = DowncastCCParticipant<nsDocumentEncoder>(p); ImplCycleCollectionUnlink (tmp->mDocument); ImplCycleCollectionUnlink(tmp->mEncodingScope .mSelection); ImplCycleCollectionUnlink(tmp->mEncodingScope .mRange); ImplCycleCollectionUnlink(tmp->mEncodingScope.mNode ); ImplCycleCollectionUnlink(tmp->mSerializer); ImplCycleCollectionUnlink (tmp->mRangeSerializer.mClosestCommonInclusiveAncestorOfRange ); (void)tmp; } nsresult nsDocumentEncoder::cycleCollection:: TraverseNative( void* p, nsCycleCollectionTraversalCallback& cb) { nsDocumentEncoder* tmp = DowncastCCParticipant<nsDocumentEncoder >(p); cb.DescribeRefCountedNode(tmp->mRefCnt.get(), "nsDocumentEncoder" ); ImplCycleCollectionTraverse(cb, tmp->mDocument, "mDocument" , 0); ImplCycleCollectionTraverse(cb, tmp->mEncodingScope. mSelection, "mEncodingScope.mSelection", 0); ImplCycleCollectionTraverse (cb, tmp->mEncodingScope.mRange, "mEncodingScope.mRange", 0 ); ImplCycleCollectionTraverse(cb, tmp->mEncodingScope.mNode , "mEncodingScope.mNode", 0); ImplCycleCollectionTraverse(cb, tmp->mSerializer, "mSerializer", 0); ImplCycleCollectionTraverse (cb, tmp->mRangeSerializer.mClosestCommonInclusiveAncestorOfRange , "mRangeSerializer.mClosestCommonInclusiveAncestorOfRange", 0 ); (void)tmp; return NS_OK; } |
| 532 | mEncodingScope.mRange, mEncodingScope.mNode, mSerializer,nsDocumentEncoder::cycleCollection nsDocumentEncoder::_cycleCollectorGlobal ; void nsDocumentEncoder::cycleCollection::Unlink(void* p) { nsDocumentEncoder * tmp = DowncastCCParticipant<nsDocumentEncoder>(p); ImplCycleCollectionUnlink (tmp->mDocument); ImplCycleCollectionUnlink(tmp->mEncodingScope .mSelection); ImplCycleCollectionUnlink(tmp->mEncodingScope .mRange); ImplCycleCollectionUnlink(tmp->mEncodingScope.mNode ); ImplCycleCollectionUnlink(tmp->mSerializer); ImplCycleCollectionUnlink (tmp->mRangeSerializer.mClosestCommonInclusiveAncestorOfRange ); (void)tmp; } nsresult nsDocumentEncoder::cycleCollection:: TraverseNative( void* p, nsCycleCollectionTraversalCallback& cb) { nsDocumentEncoder* tmp = DowncastCCParticipant<nsDocumentEncoder >(p); cb.DescribeRefCountedNode(tmp->mRefCnt.get(), "nsDocumentEncoder" ); ImplCycleCollectionTraverse(cb, tmp->mDocument, "mDocument" , 0); ImplCycleCollectionTraverse(cb, tmp->mEncodingScope. mSelection, "mEncodingScope.mSelection", 0); ImplCycleCollectionTraverse (cb, tmp->mEncodingScope.mRange, "mEncodingScope.mRange", 0 ); ImplCycleCollectionTraverse(cb, tmp->mEncodingScope.mNode , "mEncodingScope.mNode", 0); ImplCycleCollectionTraverse(cb, tmp->mSerializer, "mSerializer", 0); ImplCycleCollectionTraverse (cb, tmp->mRangeSerializer.mClosestCommonInclusiveAncestorOfRange , "mRangeSerializer.mClosestCommonInclusiveAncestorOfRange", 0 ); (void)tmp; return NS_OK; } |
| 533 | mRangeSerializer.mClosestCommonInclusiveAncestorOfRange)nsDocumentEncoder::cycleCollection nsDocumentEncoder::_cycleCollectorGlobal ; void nsDocumentEncoder::cycleCollection::Unlink(void* p) { nsDocumentEncoder * tmp = DowncastCCParticipant<nsDocumentEncoder>(p); ImplCycleCollectionUnlink (tmp->mDocument); ImplCycleCollectionUnlink(tmp->mEncodingScope .mSelection); ImplCycleCollectionUnlink(tmp->mEncodingScope .mRange); ImplCycleCollectionUnlink(tmp->mEncodingScope.mNode ); ImplCycleCollectionUnlink(tmp->mSerializer); ImplCycleCollectionUnlink (tmp->mRangeSerializer.mClosestCommonInclusiveAncestorOfRange ); (void)tmp; } nsresult nsDocumentEncoder::cycleCollection:: TraverseNative( void* p, nsCycleCollectionTraversalCallback& cb) { nsDocumentEncoder* tmp = DowncastCCParticipant<nsDocumentEncoder >(p); cb.DescribeRefCountedNode(tmp->mRefCnt.get(), "nsDocumentEncoder" ); ImplCycleCollectionTraverse(cb, tmp->mDocument, "mDocument" , 0); ImplCycleCollectionTraverse(cb, tmp->mEncodingScope. mSelection, "mEncodingScope.mSelection", 0); ImplCycleCollectionTraverse (cb, tmp->mEncodingScope.mRange, "mEncodingScope.mRange", 0 ); ImplCycleCollectionTraverse(cb, tmp->mEncodingScope.mNode , "mEncodingScope.mNode", 0); ImplCycleCollectionTraverse(cb, tmp->mSerializer, "mSerializer", 0); ImplCycleCollectionTraverse (cb, tmp->mRangeSerializer.mClosestCommonInclusiveAncestorOfRange , "mRangeSerializer.mClosestCommonInclusiveAncestorOfRange", 0 ); (void)tmp; return NS_OK; } |
| 534 | |
| 535 | nsDocumentEncoder::nsDocumentEncoder( |
| 536 | UniquePtr<RangeNodeContext> aRangeNodeContext) |
| 537 | : mEncoding(nullptr), |
| 538 | mIsCopying(false), |
| 539 | mCachedBuffer(nullptr), |
| 540 | mNodeSerializer(mNeedsPreformatScanning, mSerializer, mFlags, mNodeFixup, |
| 541 | mTextStreamer), |
| 542 | mRangeNodeContext(std::move(aRangeNodeContext)), |
| 543 | mRangeContextSerializer(*mRangeNodeContext, mNodeSerializer), |
| 544 | mRangeSerializer(mFlags, mNodeSerializer, mRangeContextSerializer) { |
| 545 | MOZ_ASSERT(mRangeNodeContext)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mRangeNodeContext)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mRangeNodeContext))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mRangeNodeContext" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 545); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "mRangeNodeContext" ")"); do { MOZ_CrashSequence (__null, 545); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false); |
| 546 | |
| 547 | Initialize(); |
| 548 | mMimeType.AssignLiteral("text/plain"); |
| 549 | } |
| 550 | |
| 551 | nsDocumentEncoder::nsDocumentEncoder() |
| 552 | : nsDocumentEncoder(MakeUnique<RangeNodeContext>()) {} |
| 553 | |
| 554 | void nsDocumentEncoder::Initialize( |
| 555 | bool aClearCachedSerializer, |
| 556 | AllowRangeCrossShadowBoundary aAllowCrossShadowBoundary) { |
| 557 | mFlags = 0; |
| 558 | mWrapColumn = 72; |
| 559 | mRangeSerializer.Initialize(aAllowCrossShadowBoundary); |
| 560 | mNeedsPreformatScanning = false; |
| 561 | mRangeContextSerializer.mDisableContextSerialize = false; |
| 562 | mEncodingScope = {}; |
| 563 | mNodeFixup = nullptr; |
| 564 | if (aClearCachedSerializer) { |
| 565 | mSerializer = nullptr; |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | static bool ParentIsTR(nsIContent* aContent) { |
| 570 | mozilla::dom::Element* parent = aContent->GetParentElement(); |
| 571 | if (!parent) { |
| 572 | return false; |
| 573 | } |
| 574 | return parent->IsHTMLElement(nsGkAtoms::tr); |
| 575 | } |
| 576 | |
| 577 | static AllowRangeCrossShadowBoundary GetAllowRangeCrossShadowBoundary( |
| 578 | const uint32_t aFlags) { |
| 579 | return (aFlags & nsIDocumentEncoder::AllowCrossShadowBoundary) |
| 580 | ? AllowRangeCrossShadowBoundary::Yes |
| 581 | : AllowRangeCrossShadowBoundary::No; |
| 582 | } |
| 583 | |
| 584 | nsresult nsDocumentEncoder::SerializeDependingOnScope(uint32_t aMaxLength) { |
| 585 | nsresult rv = NS_OK; |
| 586 | if (mEncodingScope.mSelection) { |
| 587 | rv = SerializeSelection(); |
| 588 | } else if (dom::Range* range = mEncodingScope.mRange) { |
| 589 | rv = mRangeSerializer.SerializeRangeToString(range); |
| 590 | } else if (mEncodingScope.mNode) { |
| 591 | rv = SerializeNode(); |
| 592 | } else { |
| 593 | rv = SerializeWholeDocument(aMaxLength); |
| 594 | } |
| 595 | |
| 596 | mEncodingScope = {}; |
| 597 | |
| 598 | return rv; |
| 599 | } |
| 600 | |
| 601 | nsresult nsDocumentEncoder::SerializeSelection() { |
| 602 | NS_ENSURE_TRUE(mEncodingScope.mSelection, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(mEncodingScope.mSelection)), 0 ))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mEncodingScope.mSelection" ") failed", nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 602); return NS_ERROR_FAILURE; } } while (false); |
| 603 | |
| 604 | nsresult rv = NS_OK; |
| 605 | const Selection* selection = mEncodingScope.mSelection; |
| 606 | nsCOMPtr<nsINode> node; |
| 607 | nsCOMPtr<nsINode> prevNode; |
| 608 | uint32_t firstRangeStartDepth = 0; |
| 609 | const uint32_t rangeCount = selection->RangeCount(); |
| 610 | for (const uint32_t i : IntegerRange(rangeCount)) { |
| 611 | MOZ_ASSERT(selection->RangeCount() == rangeCount)do { static_assert( mozilla::detail::AssertionConditionType< decltype(selection->RangeCount() == rangeCount)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(selection->RangeCount() == rangeCount))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("selection->RangeCount() == rangeCount" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 611); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "selection->RangeCount() == rangeCount" ")" ); do { MOZ_CrashSequence(__null, 611); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 612 | RefPtr<const dom::Range> range = selection->GetRangeAt(i); |
| 613 | |
| 614 | // Bug 236546: newlines not added when copying table cells into clipboard |
| 615 | // Each selected cell shows up as a range containing a row with a single |
| 616 | // cell get the row, compare it to previous row and emit </tr><tr> as |
| 617 | // needed Bug 137450: Problem copying/pasting a table from a web page to |
| 618 | // Excel. Each separate block of <tr></tr> produced above will be wrapped |
| 619 | // by the immediate context. This assumes that you can't select cells that |
| 620 | // are multiple selections from two tables simultaneously. |
| 621 | node = ShadowDOMSelectionHelpers::GetStartContainer( |
| 622 | range, GetAllowRangeCrossShadowBoundary(mFlags)); |
| 623 | NS_ENSURE_TRUE(node, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(node)), 0))) { NS_DebugBreak( NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "node" ") failed", nullptr , "./../../../dom/serializers/nsDocumentEncoder.cpp", 623); return NS_ERROR_FAILURE; } } while (false); |
| 624 | if (node != prevNode) { |
| 625 | if (prevNode) { |
| 626 | rv = mNodeSerializer.SerializeNodeEnd(*prevNode); |
| 627 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 627); return rv; } } while (false); |
| 628 | } |
| 629 | nsCOMPtr<nsIContent> content = nsIContent::FromNodeOrNull(node); |
| 630 | if (content && content->IsHTMLElement(nsGkAtoms::tr) && |
| 631 | !ParentIsTR(content)) { |
| 632 | if (!prevNode) { |
| 633 | // Went from a non-<tr> to a <tr> |
| 634 | mRangeSerializer.mCommonInclusiveAncestors.Clear(); |
| 635 | nsContentUtils::GetInclusiveAncestors( |
| 636 | node->GetParentNode(), |
| 637 | mRangeSerializer.mCommonInclusiveAncestors); |
| 638 | rv = mRangeContextSerializer.SerializeRangeContextStart( |
| 639 | mRangeSerializer.mCommonInclusiveAncestors); |
| 640 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 640); return rv; } } while (false); |
| 641 | // Don't let SerializeRangeToString serialize the context again |
| 642 | mRangeContextSerializer.mDisableContextSerialize = true; |
| 643 | } |
| 644 | |
| 645 | rv = mNodeSerializer.SerializeNodeStart(*node, 0, -1); |
| 646 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 646); return rv; } } while (false); |
| 647 | prevNode = node; |
| 648 | } else if (prevNode) { |
| 649 | // Went from a <tr> to a non-<tr> |
| 650 | mRangeContextSerializer.mDisableContextSerialize = false; |
| 651 | |
| 652 | // `mCommonInclusiveAncestors` is used in `EncodeToStringWithContext` |
| 653 | // too. Update it here to mimic the old behavior. |
| 654 | mRangeSerializer.mCommonInclusiveAncestors.Clear(); |
| 655 | nsContentUtils::GetInclusiveAncestors( |
| 656 | prevNode->GetParentNode(), |
| 657 | mRangeSerializer.mCommonInclusiveAncestors); |
| 658 | |
| 659 | rv = mRangeContextSerializer.SerializeRangeContextEnd(); |
| 660 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 660); return rv; } } while (false); |
| 661 | prevNode = nullptr; |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | rv = mRangeSerializer.SerializeRangeToString(range); |
| 666 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 666); return rv; } } while (false); |
| 667 | if (i == 0) { |
| 668 | firstRangeStartDepth = mRangeSerializer.mContextInfoDepth.mStart; |
| 669 | } |
| 670 | } |
| 671 | mRangeSerializer.mContextInfoDepth.mStart = firstRangeStartDepth; |
| 672 | |
| 673 | if (prevNode) { |
| 674 | rv = mNodeSerializer.SerializeNodeEnd(*prevNode); |
| 675 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 675); return rv; } } while (false); |
| 676 | mRangeContextSerializer.mDisableContextSerialize = false; |
| 677 | |
| 678 | // `mCommonInclusiveAncestors` is used in `EncodeToStringWithContext` |
| 679 | // too. Update it here to mimic the old behavior. |
| 680 | mRangeSerializer.mCommonInclusiveAncestors.Clear(); |
| 681 | nsContentUtils::GetInclusiveAncestors( |
| 682 | prevNode->GetParentNode(), mRangeSerializer.mCommonInclusiveAncestors); |
| 683 | |
| 684 | rv = mRangeContextSerializer.SerializeRangeContextEnd(); |
| 685 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 685); return rv; } } while (false); |
| 686 | } |
| 687 | |
| 688 | // Just to be safe |
| 689 | mRangeContextSerializer.mDisableContextSerialize = false; |
| 690 | |
| 691 | return rv; |
| 692 | } |
| 693 | |
| 694 | nsresult nsDocumentEncoder::SerializeNode() { |
| 695 | NS_ENSURE_TRUE(mEncodingScope.mNode, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(mEncodingScope.mNode)), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mEncodingScope.mNode" ") failed", nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 695); return NS_ERROR_FAILURE; } } while (false); |
| 696 | |
| 697 | nsresult rv = NS_OK; |
| 698 | nsINode* node = mEncodingScope.mNode; |
| 699 | const bool nodeIsContainer = mEncodingScope.mNodeIsContainer; |
| 700 | if (!mNodeFixup && !(mFlags & SkipInvisibleContent) && !mTextStreamer && |
| 701 | nodeIsContainer) { |
| 702 | rv = mNodeSerializer.SerializeToStringIterative(node); |
| 703 | } else { |
| 704 | rv = mNodeSerializer.SerializeToStringRecursive( |
| 705 | node, nodeIsContainer ? NodeSerializer::SerializeRoot::eNo |
| 706 | : NodeSerializer::SerializeRoot::eYes); |
| 707 | } |
| 708 | |
| 709 | return rv; |
| 710 | } |
| 711 | |
| 712 | nsresult nsDocumentEncoder::SerializeWholeDocument(uint32_t aMaxLength) { |
| 713 | NS_ENSURE_FALSE(mEncodingScope.mSelection, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(!(mEncodingScope.mSelection)) ), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "!(mEncodingScope.mSelection)" ") failed", nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 713); return NS_ERROR_FAILURE; } } while (false); |
| 714 | NS_ENSURE_FALSE(mEncodingScope.mRange, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(!(mEncodingScope.mRange))), 0 ))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "!(mEncodingScope.mRange)" ") failed", nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 714); return NS_ERROR_FAILURE; } } while (false); |
| 715 | NS_ENSURE_FALSE(mEncodingScope.mNode, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(!(mEncodingScope.mNode))), 0) )) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "!(mEncodingScope.mNode)" ") failed", nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 715); return NS_ERROR_FAILURE; } } while (false); |
| 716 | |
| 717 | nsresult rv = mSerializer->AppendDocumentStart(mDocument); |
| 718 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 718); return rv; } } while (false); |
| 719 | |
| 720 | rv = mNodeSerializer.SerializeToStringRecursive( |
| 721 | mDocument, NodeSerializer::SerializeRoot::eYes, aMaxLength); |
| 722 | return rv; |
| 723 | } |
| 724 | |
| 725 | nsDocumentEncoder::~nsDocumentEncoder() = default; |
| 726 | |
| 727 | NS_IMETHODIMPnsresult |
| 728 | nsDocumentEncoder::Init(Document* aDocument, const nsAString& aMimeType, |
| 729 | uint32_t aFlags) { |
| 730 | if (!aDocument) { |
| 731 | return NS_ERROR_INVALID_ARG; |
| 732 | } |
| 733 | |
| 734 | Initialize(!mMimeType.Equals(aMimeType), |
| 735 | GetAllowRangeCrossShadowBoundary(aFlags)); |
| 736 | |
| 737 | mDocument = aDocument; |
| 738 | |
| 739 | mMimeType = aMimeType; |
| 740 | |
| 741 | mFlags = aFlags; |
| 742 | mIsCopying = false; |
| 743 | |
| 744 | return NS_OK; |
| 745 | } |
| 746 | |
| 747 | NS_IMETHODIMPnsresult |
| 748 | nsDocumentEncoder::SetWrapColumn(uint32_t aWC) { |
| 749 | mWrapColumn = aWC; |
| 750 | return NS_OK; |
| 751 | } |
| 752 | |
| 753 | NS_IMETHODIMPnsresult |
| 754 | nsDocumentEncoder::SetSelection(Selection* aSelection) { |
| 755 | mEncodingScope.mSelection = aSelection; |
| 756 | return NS_OK; |
| 757 | } |
| 758 | |
| 759 | NS_IMETHODIMPnsresult |
| 760 | nsDocumentEncoder::SetRange(dom::Range* aRange) { |
| 761 | mEncodingScope.mRange = aRange; |
| 762 | return NS_OK; |
| 763 | } |
| 764 | |
| 765 | NS_IMETHODIMPnsresult |
| 766 | nsDocumentEncoder::SetNode(nsINode* aNode) { |
| 767 | mEncodingScope.mNodeIsContainer = false; |
| 768 | mEncodingScope.mNode = aNode; |
| 769 | return NS_OK; |
| 770 | } |
| 771 | |
| 772 | NS_IMETHODIMPnsresult |
| 773 | nsDocumentEncoder::SetContainerNode(nsINode* aContainer) { |
| 774 | mEncodingScope.mNodeIsContainer = true; |
| 775 | mEncodingScope.mNode = aContainer; |
| 776 | return NS_OK; |
| 777 | } |
| 778 | |
| 779 | NS_IMETHODIMPnsresult |
| 780 | nsDocumentEncoder::SetCharset(const nsACString& aCharset) { |
| 781 | const Encoding* encoding = Encoding::ForLabel(aCharset); |
| 782 | if (!encoding) { |
| 783 | return NS_ERROR_UCONV_NOCONV; |
| 784 | } |
| 785 | mEncoding = encoding->OutputEncoding(); |
| 786 | return NS_OK; |
| 787 | } |
| 788 | |
| 789 | NS_IMETHODIMPnsresult |
| 790 | nsDocumentEncoder::GetMimeType(nsAString& aMimeType) { |
| 791 | aMimeType = mMimeType; |
| 792 | return NS_OK; |
| 793 | } |
| 794 | |
| 795 | class FixupNodeDeterminer { |
| 796 | public: |
| 797 | FixupNodeDeterminer(nsIDocumentEncoderNodeFixup* aNodeFixup, |
| 798 | nsINode* aFixupNode, nsINode& aOriginalNode) |
| 799 | : mIsSerializationOfFixupChildrenNeeded{false}, |
| 800 | mNodeFixup(aNodeFixup), |
| 801 | mOriginalNode(aOriginalNode) { |
| 802 | if (mNodeFixup) { |
| 803 | if (aFixupNode) { |
| 804 | mFixupNode = aFixupNode; |
| 805 | } else { |
| 806 | mNodeFixup->FixupNode(&mOriginalNode, |
| 807 | &mIsSerializationOfFixupChildrenNeeded, |
| 808 | getter_AddRefs(mFixupNode)); |
| 809 | } |
| 810 | } |
| 811 | } |
| 812 | |
| 813 | bool IsSerializationOfFixupChildrenNeeded() const { |
| 814 | return mIsSerializationOfFixupChildrenNeeded; |
| 815 | } |
| 816 | |
| 817 | /** |
| 818 | * @return The fixup node, if available, otherwise the original node. The |
| 819 | * former is kept alive by this object. |
| 820 | */ |
| 821 | nsINode& GetFixupNodeFallBackToOriginalNode() const { |
| 822 | return mFixupNode ? *mFixupNode : mOriginalNode; |
| 823 | } |
| 824 | |
| 825 | private: |
| 826 | bool mIsSerializationOfFixupChildrenNeeded; |
| 827 | nsIDocumentEncoderNodeFixup* mNodeFixup; |
| 828 | nsCOMPtr<nsINode> mFixupNode; |
| 829 | nsINode& mOriginalNode; |
| 830 | }; |
| 831 | |
| 832 | nsresult nsDocumentEncoder::NodeSerializer::SerializeNodeStart( |
| 833 | nsINode& aOriginalNode, int32_t aStartOffset, int32_t aEndOffset, |
| 834 | nsINode* aFixupNode) const { |
| 835 | if (mNeedsPreformatScanning) { |
| 836 | if (aOriginalNode.IsElement()) { |
| 837 | mSerializer->ScanElementForPreformat(aOriginalNode.AsElement()); |
| 838 | } else if (aOriginalNode.IsText()) { |
| 839 | const nsCOMPtr<nsINode> parent = aOriginalNode.GetParent(); |
| 840 | if (parent && parent->IsElement()) { |
| 841 | mSerializer->ScanElementForPreformat(parent->AsElement()); |
| 842 | } |
| 843 | } |
| 844 | } |
| 845 | |
| 846 | if (IsInvisibleNodeAndShouldBeSkipped(aOriginalNode, mFlags)) { |
| 847 | return NS_OK; |
| 848 | } |
| 849 | |
| 850 | FixupNodeDeterminer fixupNodeDeterminer{mNodeFixup, aFixupNode, |
| 851 | aOriginalNode}; |
| 852 | nsINode* node = &fixupNodeDeterminer.GetFixupNodeFallBackToOriginalNode(); |
| 853 | |
| 854 | nsresult rv = NS_OK; |
| 855 | |
| 856 | if (node->IsElement()) { |
| 857 | if ((mFlags & (nsIDocumentEncoder::OutputPreformatted | |
| 858 | nsIDocumentEncoder::OutputDropInvisibleBreak)) && |
| 859 | nsLayoutUtils::IsInvisibleBreak(node)) { |
| 860 | return rv; |
| 861 | } |
| 862 | rv = mSerializer->AppendElementStart(node->AsElement(), |
| 863 | aOriginalNode.AsElement()); |
| 864 | return rv; |
| 865 | } |
| 866 | |
| 867 | switch (node->NodeType()) { |
| 868 | case nsINode::TEXT_NODE: { |
| 869 | rv = mSerializer->AppendText(node->AsText(), aStartOffset, aEndOffset); |
| 870 | break; |
| 871 | } |
| 872 | case nsINode::CDATA_SECTION_NODE: { |
| 873 | rv = mSerializer->AppendCDATASection(node->AsText(), aStartOffset, |
| 874 | aEndOffset); |
| 875 | break; |
| 876 | } |
| 877 | case nsINode::PROCESSING_INSTRUCTION_NODE: { |
| 878 | rv = mSerializer->AppendProcessingInstruction( |
| 879 | static_cast<ProcessingInstruction*>(node), aStartOffset, aEndOffset); |
| 880 | break; |
| 881 | } |
| 882 | case nsINode::COMMENT_NODE: { |
| 883 | rv = mSerializer->AppendComment(static_cast<Comment*>(node), aStartOffset, |
| 884 | aEndOffset); |
| 885 | break; |
| 886 | } |
| 887 | case nsINode::DOCUMENT_TYPE_NODE: { |
| 888 | rv = mSerializer->AppendDoctype(static_cast<DocumentType*>(node)); |
| 889 | break; |
| 890 | } |
| 891 | } |
| 892 | |
| 893 | return rv; |
| 894 | } |
| 895 | |
| 896 | nsresult nsDocumentEncoder::NodeSerializer::SerializeNodeEnd( |
| 897 | nsINode& aOriginalNode, nsINode* aFixupNode) const { |
| 898 | if (mNeedsPreformatScanning) { |
| 899 | if (aOriginalNode.IsElement()) { |
| 900 | mSerializer->ForgetElementForPreformat(aOriginalNode.AsElement()); |
| 901 | } else if (aOriginalNode.IsText()) { |
| 902 | const nsCOMPtr<nsINode> parent = aOriginalNode.GetParent(); |
| 903 | if (parent && parent->IsElement()) { |
| 904 | mSerializer->ForgetElementForPreformat(parent->AsElement()); |
| 905 | } |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | if (IsInvisibleNodeAndShouldBeSkipped(aOriginalNode, mFlags)) { |
| 910 | return NS_OK; |
| 911 | } |
| 912 | |
| 913 | nsresult rv = NS_OK; |
| 914 | |
| 915 | FixupNodeDeterminer fixupNodeDeterminer{mNodeFixup, aFixupNode, |
| 916 | aOriginalNode}; |
| 917 | nsINode* node = &fixupNodeDeterminer.GetFixupNodeFallBackToOriginalNode(); |
| 918 | |
| 919 | if (node->IsElement()) { |
| 920 | rv = mSerializer->AppendElementEnd(node->AsElement(), |
| 921 | aOriginalNode.AsElement()); |
| 922 | } |
| 923 | |
| 924 | return rv; |
| 925 | } |
| 926 | |
| 927 | nsresult nsDocumentEncoder::NodeSerializer::SerializeToStringRecursive( |
| 928 | nsINode* aNode, SerializeRoot aSerializeRoot, uint32_t aMaxLength) const { |
| 929 | uint32_t outputLength{0}; |
| 930 | nsresult rv = mSerializer->GetOutputLength(outputLength); |
| 931 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 931); return rv; } } while (false); |
| 932 | |
| 933 | if (aMaxLength > 0 && outputLength >= aMaxLength) { |
| 934 | return NS_OK; |
| 935 | } |
| 936 | |
| 937 | NS_ENSURE_TRUE(aNode, NS_ERROR_NULL_POINTER)do { if ((__builtin_expect(!!(!(aNode)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aNode" ") failed", nullptr , "./../../../dom/serializers/nsDocumentEncoder.cpp", 937); return NS_ERROR_NULL_POINTER; } } while (false); |
| 938 | |
| 939 | if (IsInvisibleNodeAndShouldBeSkipped(*aNode, mFlags)) { |
| 940 | return NS_OK; |
| 941 | } |
| 942 | |
| 943 | FixupNodeDeterminer fixupNodeDeterminer{mNodeFixup, nullptr, *aNode}; |
| 944 | nsINode* maybeFixedNode = |
| 945 | &fixupNodeDeterminer.GetFixupNodeFallBackToOriginalNode(); |
| 946 | |
| 947 | if (mFlags & SkipInvisibleContent) { |
| 948 | if (aNode->IsContent()) { |
| 949 | if (nsIFrame* frame = aNode->AsContent()->GetPrimaryFrame()) { |
| 950 | if (!frame->IsSelectable()) { |
| 951 | aSerializeRoot = SerializeRoot::eNo; |
| 952 | } |
| 953 | } |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | if (aSerializeRoot == SerializeRoot::eYes) { |
| 958 | int32_t endOffset = -1; |
| 959 | if (aMaxLength > 0) { |
| 960 | MOZ_ASSERT(aMaxLength >= outputLength)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aMaxLength >= outputLength)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aMaxLength >= outputLength ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "aMaxLength >= outputLength", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 960); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aMaxLength >= outputLength" ")"); do { MOZ_CrashSequence(__null, 960); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 961 | endOffset = aMaxLength - outputLength; |
| 962 | } |
| 963 | rv = SerializeNodeStart(*aNode, 0, endOffset, maybeFixedNode); |
| 964 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 964); return rv; } } while (false); |
| 965 | } |
| 966 | |
| 967 | ShadowRoot* shadowRoot = ShadowDOMSelectionHelpers::GetShadowRoot( |
| 968 | aNode, GetAllowRangeCrossShadowBoundary(mFlags)); |
| 969 | |
| 970 | if (shadowRoot) { |
| 971 | // Serialize the ShadowRoot first when the entire node needs to be |
| 972 | // serialized. |
| 973 | SerializeToStringRecursive(shadowRoot, aSerializeRoot, aMaxLength); |
| 974 | } |
| 975 | |
| 976 | nsINode* node = fixupNodeDeterminer.IsSerializationOfFixupChildrenNeeded() |
| 977 | ? maybeFixedNode |
| 978 | : aNode; |
| 979 | |
| 980 | int32_t counter = -1; |
| 981 | |
| 982 | const bool allowCrossShadowBoundary = |
| 983 | GetAllowRangeCrossShadowBoundary(mFlags) == |
| 984 | AllowRangeCrossShadowBoundary::Yes; |
| 985 | auto GetNextNode = [&counter, node, allowCrossShadowBoundary]( |
| 986 | nsINode* aCurrentNode) -> nsINode* { |
| 987 | ++counter; |
| 988 | if (allowCrossShadowBoundary) { |
| 989 | if (const auto* slot = HTMLSlotElement::FromNode(node)) { |
| 990 | auto assigned = slot->AssignedNodes(); |
| 991 | if (size_t(counter) < assigned.Length()) { |
| 992 | return assigned[counter]; |
| 993 | } |
| 994 | return nullptr; |
| 995 | } |
| 996 | } |
| 997 | |
| 998 | if (counter == 0) { |
| 999 | return node->GetFirstChildOfTemplateOrNode(); |
| 1000 | } |
| 1001 | // counter isn't really used for non-slot cases. |
| 1002 | return aCurrentNode->GetNextSibling(); |
| 1003 | }; |
| 1004 | |
| 1005 | if (!shadowRoot) { |
| 1006 | // We only iterate light DOM children of aNode if it isn't a shadow host |
| 1007 | // since it doesn't make sense to iterate them this way. Slotted contents |
| 1008 | // has been handled by serializing the <slot> element. |
| 1009 | for (nsINode* child = GetNextNode(nullptr); child; |
| 1010 | child = GetNextNode(child)) { |
| 1011 | rv = SerializeToStringRecursive(child, SerializeRoot::eYes, aMaxLength); |
| 1012 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1012); return rv; } } while (false); |
| 1013 | } |
| 1014 | } |
| 1015 | |
| 1016 | if (aSerializeRoot == SerializeRoot::eYes) { |
| 1017 | rv = SerializeNodeEnd(*aNode, maybeFixedNode); |
| 1018 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1018); return rv; } } while (false); |
| 1019 | } |
| 1020 | |
| 1021 | if (mTextStreamer) { |
| 1022 | rv = mTextStreamer->FlushIfStringLongEnough(); |
| 1023 | } |
| 1024 | |
| 1025 | return rv; |
| 1026 | } |
| 1027 | |
| 1028 | nsresult nsDocumentEncoder::NodeSerializer::SerializeToStringIterative( |
| 1029 | nsINode* aNode) const { |
| 1030 | nsresult rv; |
| 1031 | |
| 1032 | nsINode* node = aNode->GetFirstChildOfTemplateOrNode(); |
| 1033 | while (node) { |
| 1034 | nsINode* current = node; |
| 1035 | rv = SerializeNodeStart(*current, 0, -1, current); |
| 1036 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1036); return rv; } } while (false); |
| 1037 | node = current->GetFirstChildOfTemplateOrNode(); |
| 1038 | while (!node && current && current != aNode) { |
| 1039 | rv = SerializeNodeEnd(*current); |
| 1040 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1040); return rv; } } while (false); |
| 1041 | // Check if we have siblings. |
| 1042 | node = current->GetNextSibling(); |
| 1043 | if (!node) { |
| 1044 | // Perhaps parent node has siblings. |
| 1045 | current = current->GetParentNode(); |
| 1046 | |
| 1047 | // Handle template element. If the parent is a template's content, |
| 1048 | // then adjust the parent to be the template element. |
| 1049 | if (current && current != aNode && current->IsDocumentFragment()) { |
| 1050 | nsIContent* host = current->AsDocumentFragment()->GetHost(); |
| 1051 | if (host && host->IsHTMLElement(nsGkAtoms::_template)) { |
| 1052 | current = host; |
| 1053 | } |
| 1054 | } |
| 1055 | } |
| 1056 | } |
| 1057 | } |
| 1058 | |
| 1059 | return NS_OK; |
| 1060 | } |
| 1061 | |
| 1062 | static bool IsTextNode(nsINode* aNode) { return aNode && aNode->IsText(); } |
| 1063 | |
| 1064 | nsresult nsDocumentEncoder::NodeSerializer::SerializeTextNode( |
| 1065 | nsINode& aNode, int32_t aStartOffset, int32_t aEndOffset) const { |
| 1066 | MOZ_ASSERT(IsTextNode(&aNode))do { static_assert( mozilla::detail::AssertionConditionType< decltype(IsTextNode(&aNode))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(IsTextNode(&aNode)))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("IsTextNode(&aNode)" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1066); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "IsTextNode(&aNode)" ")"); do { MOZ_CrashSequence (__null, 1066); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1067 | |
| 1068 | nsresult rv = SerializeNodeStart(aNode, aStartOffset, aEndOffset); |
| 1069 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1069); return rv; } } while (false); |
| 1070 | rv = SerializeNodeEnd(aNode); |
| 1071 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1071); return rv; } } while (false); |
| 1072 | return rv; |
| 1073 | } |
| 1074 | |
| 1075 | nsDocumentEncoder::RangeSerializer::StartAndEndContent |
| 1076 | nsDocumentEncoder::RangeSerializer::GetStartAndEndContentForRecursionLevel( |
| 1077 | const int32_t aDepth) const { |
| 1078 | StartAndEndContent result; |
| 1079 | |
| 1080 | const auto& inclusiveAncestorsOfStart = |
| 1081 | mRangeBoundariesInclusiveAncestorsAndOffsets.mInclusiveAncestorsOfStart; |
| 1082 | const auto& inclusiveAncestorsOfEnd = |
| 1083 | mRangeBoundariesInclusiveAncestorsAndOffsets.mInclusiveAncestorsOfEnd; |
| 1084 | int32_t start = mStartRootIndex - aDepth; |
| 1085 | if (start >= 0 && (uint32_t)start <= inclusiveAncestorsOfStart.Length()) { |
| 1086 | result.mStart = inclusiveAncestorsOfStart[start]; |
| 1087 | } |
| 1088 | |
| 1089 | int32_t end = mEndRootIndex - aDepth; |
| 1090 | if (end >= 0 && (uint32_t)end <= inclusiveAncestorsOfEnd.Length()) { |
| 1091 | result.mEnd = inclusiveAncestorsOfEnd[end]; |
| 1092 | } |
| 1093 | |
| 1094 | return result; |
| 1095 | } |
| 1096 | |
| 1097 | nsresult nsDocumentEncoder::RangeSerializer::SerializeTextNode( |
| 1098 | nsIContent& aContent, const StartAndEndContent& aStartAndEndContent, |
| 1099 | const dom::Range& aRange) const { |
| 1100 | const int32_t startOffset = (aStartAndEndContent.mStart == &aContent) |
| 1101 | ? ShadowDOMSelectionHelpers::StartOffset( |
| 1102 | &aRange, mAllowCrossShadowBoundary) |
| 1103 | : 0; |
| 1104 | const int32_t endOffset = (aStartAndEndContent.mEnd == &aContent) |
| 1105 | ? ShadowDOMSelectionHelpers::EndOffset( |
| 1106 | &aRange, mAllowCrossShadowBoundary) |
| 1107 | : -1; |
| 1108 | return mNodeSerializer.SerializeTextNode(aContent, startOffset, endOffset); |
| 1109 | } |
| 1110 | |
| 1111 | nsresult nsDocumentEncoder::RangeSerializer::SerializeRangeNodes( |
| 1112 | const dom::Range* const aRange, nsINode* const aNode, |
| 1113 | const int32_t aDepth) { |
| 1114 | MOZ_ASSERT(aDepth >= 0)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aDepth >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aDepth >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aDepth >= 0" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1114); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aDepth >= 0" ")"); do { MOZ_CrashSequence (__null, 1114); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1115 | MOZ_ASSERT(aRange)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aRange)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(aRange))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aRange", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1115); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aRange" ")" ); do { MOZ_CrashSequence(__null, 1115); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1116 | |
| 1117 | nsCOMPtr<nsIContent> content = nsIContent::FromNodeOrNull(aNode); |
| 1118 | NS_ENSURE_TRUE(content, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(content)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "content" ") failed", nullptr , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1118); return NS_ERROR_FAILURE; } } while (false); |
| 1119 | |
| 1120 | if (nsDocumentEncoder::IsInvisibleNodeAndShouldBeSkipped(*aNode, mFlags)) { |
| 1121 | return NS_OK; |
| 1122 | } |
| 1123 | |
| 1124 | nsresult rv = NS_OK; |
| 1125 | |
| 1126 | StartAndEndContent startAndEndContent = |
| 1127 | GetStartAndEndContentForRecursionLevel(aDepth); |
| 1128 | |
| 1129 | if (startAndEndContent.mStart != content && |
| 1130 | startAndEndContent.mEnd != content) { |
| 1131 | // node is completely contained in range. Serialize the whole subtree |
| 1132 | // rooted by this node. |
| 1133 | rv = mNodeSerializer.SerializeToStringRecursive( |
| 1134 | aNode, NodeSerializer::SerializeRoot::eYes); |
| 1135 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1135); return rv; } } while (false); |
| 1136 | } else { |
| 1137 | rv = SerializeNodePartiallyContainedInRange(*content, startAndEndContent, |
| 1138 | *aRange, aDepth); |
| 1139 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1139)) { |
| 1140 | return rv; |
| 1141 | } |
| 1142 | } |
| 1143 | return NS_OK; |
| 1144 | } |
| 1145 | |
| 1146 | nsresult |
| 1147 | nsDocumentEncoder::RangeSerializer::SerializeNodePartiallyContainedInRange( |
| 1148 | nsIContent& aContent, const StartAndEndContent& aStartAndEndContent, |
| 1149 | const dom::Range& aRange, const int32_t aDepth) { |
| 1150 | // due to implementation it is impossible for text node to be both start and |
| 1151 | // end of range. We would have handled that case without getting here. |
| 1152 | // XXXsmaug What does this all mean? |
| 1153 | if (IsTextNode(&aContent)) { |
| 1154 | nsresult rv = SerializeTextNode(aContent, aStartAndEndContent, aRange); |
| 1155 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1155); return rv; } } while (false); |
| 1156 | } else { |
| 1157 | if (&aContent != mClosestCommonInclusiveAncestorOfRange) { |
| 1158 | if (mRangeContextSerializer.mRangeNodeContext.IncludeInContext( |
| 1159 | aContent)) { |
| 1160 | // halt the incrementing of mContextInfoDepth. This |
| 1161 | // is so paste client will include this node in paste. |
| 1162 | mHaltRangeHint = true; |
| 1163 | } |
| 1164 | if ((aStartAndEndContent.mStart == &aContent) && !mHaltRangeHint) { |
| 1165 | ++mContextInfoDepth.mStart; |
| 1166 | } |
| 1167 | if ((aStartAndEndContent.mEnd == &aContent) && !mHaltRangeHint) { |
| 1168 | ++mContextInfoDepth.mEnd; |
| 1169 | } |
| 1170 | |
| 1171 | // serialize the start of this node |
| 1172 | nsresult rv = mNodeSerializer.SerializeNodeStart(aContent, 0, -1); |
| 1173 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1173); return rv; } } while (false); |
| 1174 | } |
| 1175 | |
| 1176 | const auto& inclusiveAncestorsOffsetsOfStart = |
| 1177 | mRangeBoundariesInclusiveAncestorsAndOffsets |
| 1178 | .mInclusiveAncestorsOffsetsOfStart; |
| 1179 | const auto& inclusiveAncestorsOffsetsOfEnd = |
| 1180 | mRangeBoundariesInclusiveAncestorsAndOffsets |
| 1181 | .mInclusiveAncestorsOffsetsOfEnd; |
| 1182 | // do some calculations that will tell us which children of this |
| 1183 | // node are in the range. |
| 1184 | Maybe<uint32_t> startOffset = Some(0); |
| 1185 | Maybe<uint32_t> endOffset; |
| 1186 | if (aStartAndEndContent.mStart == &aContent && mStartRootIndex >= aDepth) { |
| 1187 | startOffset = inclusiveAncestorsOffsetsOfStart[mStartRootIndex - aDepth]; |
| 1188 | } |
| 1189 | if (aStartAndEndContent.mEnd == &aContent && mEndRootIndex >= aDepth) { |
| 1190 | endOffset = inclusiveAncestorsOffsetsOfEnd[mEndRootIndex - aDepth]; |
| 1191 | } |
| 1192 | // generated aContent will cause offset values of Nothing to be returned. |
| 1193 | if (startOffset.isNothing()) { |
| 1194 | startOffset = Some(0); |
| 1195 | } |
| 1196 | if (endOffset.isNothing()) { |
| 1197 | endOffset = Some(aContent.GetChildCount()); |
| 1198 | |
| 1199 | if (mAllowCrossShadowBoundary == AllowRangeCrossShadowBoundary::Yes) { |
| 1200 | if (const auto* slot = HTMLSlotElement::FromNode(aContent)) { |
| 1201 | const auto& assignedNodes = slot->AssignedNodes(); |
| 1202 | if (!assignedNodes.IsEmpty()) { |
| 1203 | endOffset = Some(assignedNodes.Length()); |
| 1204 | } |
| 1205 | } |
| 1206 | } |
| 1207 | } else { |
| 1208 | // if we are at the "tip" of the selection, endOffset is fine. |
| 1209 | // otherwise, we need to add one. This is because of the semantics |
| 1210 | // of the offset list created by GetInclusiveAncestorsAndOffsets(). The |
| 1211 | // intermediate points on the list use the endOffset of the |
| 1212 | // location of the ancestor, rather than just past it. So we need |
| 1213 | // to add one here in order to include it in the children we serialize. |
| 1214 | const nsINode* endContainer = ShadowDOMSelectionHelpers::GetEndContainer( |
| 1215 | &aRange, mAllowCrossShadowBoundary); |
| 1216 | if (&aContent != endContainer) { |
| 1217 | MOZ_ASSERT(*endOffset != UINT32_MAX)do { static_assert( mozilla::detail::AssertionConditionType< decltype(*endOffset != (4294967295U))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(*endOffset != (4294967295U)) )), 0))) { do { } while (false); MOZ_ReportAssertionFailure("*endOffset != (4294967295U)" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1217); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "*endOffset != (4294967295U)" ")"); do { MOZ_CrashSequence (__null, 1217); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1218 | endOffset.ref()++; |
| 1219 | } |
| 1220 | } |
| 1221 | |
| 1222 | MOZ_ASSERT(endOffset.isSome())do { static_assert( mozilla::detail::AssertionConditionType< decltype(endOffset.isSome())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(endOffset.isSome()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("endOffset.isSome()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1222); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "endOffset.isSome()" ")"); do { MOZ_CrashSequence (__null, 1222); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1223 | nsresult rv = SerializeChildrenOfContent(aContent, *startOffset, *endOffset, |
| 1224 | &aRange, aDepth); |
| 1225 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1225); return rv; } } while (false); |
| 1226 | |
| 1227 | // serialize the end of this node |
| 1228 | if (&aContent != mClosestCommonInclusiveAncestorOfRange) { |
| 1229 | nsresult rv = mNodeSerializer.SerializeNodeEnd(aContent); |
| 1230 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1230); return rv; } } while (false); |
| 1231 | } |
| 1232 | } |
| 1233 | |
| 1234 | return NS_OK; |
| 1235 | } |
| 1236 | |
| 1237 | nsresult nsDocumentEncoder::RangeSerializer::SerializeChildrenOfContent( |
| 1238 | nsIContent& aContent, uint32_t aStartOffset, uint32_t aEndOffset, |
| 1239 | const dom::Range* aRange, int32_t aDepth) { |
| 1240 | ShadowRoot* shadowRoot = ShadowDOMSelectionHelpers::GetShadowRoot( |
| 1241 | &aContent, mAllowCrossShadowBoundary); |
| 1242 | if (shadowRoot) { |
| 1243 | // Serialize the ShadowRoot when the entire node needs to be serialized. |
| 1244 | // Return early to skip light DOM children. |
| 1245 | SerializeRangeNodes(aRange, shadowRoot, aDepth + 1); |
| 1246 | return NS_OK; |
| 1247 | } |
| 1248 | |
| 1249 | if (!aEndOffset) { |
| 1250 | return NS_OK; |
| 1251 | } |
| 1252 | |
| 1253 | nsIContent* child = |
| 1254 | mAllowCrossShadowBoundary == AllowRangeCrossShadowBoundary::Yes |
| 1255 | ? aContent.GetChildAtInFlatTreeForSelection(aStartOffset) |
| 1256 | : aContent.GetChildAt_Deprecated(aStartOffset); |
| 1257 | |
| 1258 | auto GetNextSibling = [this, &aContent]( |
| 1259 | nsINode* aCurrentNode, |
| 1260 | uint32_t aCurrentIndex) -> nsIContent* { |
| 1261 | if (mAllowCrossShadowBoundary == AllowRangeCrossShadowBoundary::Yes) { |
| 1262 | if (const auto* slot = HTMLSlotElement::FromNode(&aContent)) { |
| 1263 | auto assigned = slot->AssignedNodes(); |
| 1264 | if (++aCurrentIndex < assigned.Length()) { |
| 1265 | return nsIContent::FromNode(assigned[aCurrentIndex]); |
| 1266 | } |
| 1267 | return nullptr; |
| 1268 | } |
| 1269 | } |
| 1270 | |
| 1271 | return aCurrentNode->GetNextSibling(); |
| 1272 | }; |
| 1273 | |
| 1274 | for (size_t j = aStartOffset; child && j < aEndOffset; ++j) { |
| 1275 | nsresult rv{NS_OK}; |
| 1276 | const bool isFirstOrLastNodeToSerialize = |
| 1277 | j == aStartOffset || j == aEndOffset - 1; |
| 1278 | if (isFirstOrLastNodeToSerialize) { |
| 1279 | rv = SerializeRangeNodes(aRange, child, aDepth + 1); |
| 1280 | } else { |
| 1281 | rv = mNodeSerializer.SerializeToStringRecursive( |
| 1282 | child, NodeSerializer::SerializeRoot::eYes); |
| 1283 | } |
| 1284 | |
| 1285 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1286 | return rv; |
| 1287 | } |
| 1288 | |
| 1289 | child = GetNextSibling(child, j); |
| 1290 | } |
| 1291 | |
| 1292 | return NS_OK; |
| 1293 | } |
| 1294 | |
| 1295 | bool nsDocumentEncoder::RangeNodeContext::IncludeInContext( |
| 1296 | nsINode& aNode) const { |
| 1297 | // Thunderbird wraps quoted replies in <span _moz_quote="true">, styled |
| 1298 | // pre-wrap so the plaintext serializer leaves the "> " lines unwrapped. |
| 1299 | // Re-emit it as context; otherwise selecting only its contents drops the |
| 1300 | // span's start tag and the quote is re-wrapped without its "> " markers. |
| 1301 | const nsIContent* const content = nsIContent::FromNodeOrNull(&aNode); |
| 1302 | return content && content->IsHTMLElement(nsGkAtoms::span) && |
| 1303 | content->AsElement()->HasAttr(nsGkAtoms::mozquote); |
| 1304 | } |
| 1305 | |
| 1306 | nsresult nsDocumentEncoder::RangeContextSerializer::SerializeRangeContextStart( |
| 1307 | const nsTArray<nsINode*>& aAncestorArray) { |
| 1308 | if (mDisableContextSerialize) { |
| 1309 | return NS_OK; |
| 1310 | } |
| 1311 | |
| 1312 | AutoTArray<nsINode*, 8>* serializedContext = mRangeContexts.AppendElement(); |
| 1313 | |
| 1314 | int32_t i = aAncestorArray.Length(), j; |
| 1315 | nsresult rv = NS_OK; |
| 1316 | |
| 1317 | // currently only for table-related elements; see Bug 137450 |
| 1318 | j = mRangeNodeContext.GetImmediateContextCount(aAncestorArray); |
| 1319 | |
| 1320 | while (i > 0) { |
| 1321 | nsINode* node = aAncestorArray.ElementAt(--i); |
| 1322 | if (!node) break; |
| 1323 | |
| 1324 | // Either a general inclusion or as immediate context |
| 1325 | if (mRangeNodeContext.IncludeInContext(*node) || i < j) { |
| 1326 | rv = mNodeSerializer.SerializeNodeStart(*node, 0, -1); |
| 1327 | serializedContext->AppendElement(node); |
| 1328 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) break; |
| 1329 | } |
| 1330 | } |
| 1331 | |
| 1332 | return rv; |
| 1333 | } |
| 1334 | |
| 1335 | nsresult nsDocumentEncoder::RangeContextSerializer::SerializeRangeContextEnd() { |
| 1336 | if (mDisableContextSerialize) { |
| 1337 | return NS_OK; |
| 1338 | } |
| 1339 | |
| 1340 | MOZ_RELEASE_ASSERT(!mRangeContexts.IsEmpty(),do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mRangeContexts.IsEmpty())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mRangeContexts.IsEmpty()))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mRangeContexts.IsEmpty()" " (" "Tried to end context without starting one." ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1341); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "!mRangeContexts.IsEmpty()" ") (" "Tried to end context without starting one." ")"); do { MOZ_CrashSequence(__null, 1341); __attribute__((nomerge)) :: abort(); } while (false); } } while (false) |
| 1341 | "Tried to end context without starting one.")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mRangeContexts.IsEmpty())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mRangeContexts.IsEmpty()))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mRangeContexts.IsEmpty()" " (" "Tried to end context without starting one." ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1341); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "!mRangeContexts.IsEmpty()" ") (" "Tried to end context without starting one." ")"); do { MOZ_CrashSequence(__null, 1341); __attribute__((nomerge)) :: abort(); } while (false); } } while (false); |
| 1342 | AutoTArray<nsINode*, 8>& serializedContext = mRangeContexts.LastElement(); |
| 1343 | |
| 1344 | nsresult rv = NS_OK; |
| 1345 | for (nsINode* node : Reversed(serializedContext)) { |
| 1346 | rv = mNodeSerializer.SerializeNodeEnd(*node); |
| 1347 | |
| 1348 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) break; |
| 1349 | } |
| 1350 | |
| 1351 | mRangeContexts.RemoveLastElement(); |
| 1352 | return rv; |
| 1353 | } |
| 1354 | |
| 1355 | bool nsDocumentEncoder::RangeSerializer::HasInvisibleParentAndShouldBeSkipped( |
| 1356 | nsINode& aNode) const { |
| 1357 | if (!(mFlags & SkipInvisibleContent)) { |
| 1358 | return false; |
| 1359 | } |
| 1360 | |
| 1361 | // Check that the parent is visible if we don't a frame. |
| 1362 | // IsInvisibleNodeAndShouldBeSkipped() will do it when there's a frame. |
| 1363 | nsCOMPtr<nsIContent> content = nsIContent::FromNode(aNode); |
| 1364 | if (content && !content->GetPrimaryFrame()) { |
| 1365 | nsIContent* parent = content->GetParent(); |
| 1366 | return !parent || IsInvisibleNodeAndShouldBeSkipped(*parent, mFlags); |
| 1367 | } |
| 1368 | |
| 1369 | return false; |
| 1370 | } |
| 1371 | |
| 1372 | nsresult nsDocumentEncoder::RangeSerializer::SerializeRangeToString( |
| 1373 | const dom::Range* aRange) { |
| 1374 | if (!aRange || |
| 1375 | (aRange->Collapsed() && |
| 1376 | (mAllowCrossShadowBoundary == AllowRangeCrossShadowBoundary::No || |
| 1377 | !aRange->MayCrossShadowBoundary()))) { |
| 1378 | return NS_OK; |
| 1379 | } |
| 1380 | |
| 1381 | // Consider a case where the boundary of the selection is ShadowRoot (ie, the |
| 1382 | // first child of ShadowRoot is selected, so ShadowRoot is the container hence |
| 1383 | // the boundary), allowing GetClosestCommonInclusiveAncestor to cross the |
| 1384 | // boundary can return the host element as the container. |
| 1385 | // SerializeRangeContextStart doesn't support this case. |
| 1386 | mClosestCommonInclusiveAncestorOfRange = |
| 1387 | aRange->GetClosestCommonInclusiveAncestor(mAllowCrossShadowBoundary); |
| 1388 | |
| 1389 | if (!mClosestCommonInclusiveAncestorOfRange) { |
| 1390 | return NS_OK; |
| 1391 | } |
| 1392 | |
| 1393 | nsINode* startContainer = ShadowDOMSelectionHelpers::GetStartContainer( |
| 1394 | aRange, mAllowCrossShadowBoundary); |
| 1395 | NS_ENSURE_TRUE(startContainer, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(startContainer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "startContainer" ") failed" , nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1395); return NS_ERROR_FAILURE; } } while (false); |
| 1396 | const int32_t startOffset = |
| 1397 | ShadowDOMSelectionHelpers::StartOffset(aRange, mAllowCrossShadowBoundary); |
| 1398 | |
| 1399 | nsINode* endContainer = ShadowDOMSelectionHelpers::GetEndContainer( |
| 1400 | aRange, mAllowCrossShadowBoundary); |
| 1401 | NS_ENSURE_TRUE(endContainer, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(endContainer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "endContainer" ") failed" , nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1401); return NS_ERROR_FAILURE; } } while (false); |
| 1402 | const int32_t endOffset = |
| 1403 | ShadowDOMSelectionHelpers::EndOffset(aRange, mAllowCrossShadowBoundary); |
| 1404 | |
| 1405 | mContextInfoDepth = {}; |
| 1406 | mCommonInclusiveAncestors.Clear(); |
| 1407 | |
| 1408 | mRangeBoundariesInclusiveAncestorsAndOffsets = {}; |
| 1409 | auto& inclusiveAncestorsOfStart = |
| 1410 | mRangeBoundariesInclusiveAncestorsAndOffsets.mInclusiveAncestorsOfStart; |
| 1411 | auto& inclusiveAncestorsOffsetsOfStart = |
| 1412 | mRangeBoundariesInclusiveAncestorsAndOffsets |
| 1413 | .mInclusiveAncestorsOffsetsOfStart; |
| 1414 | auto& inclusiveAncestorsOfEnd = |
| 1415 | mRangeBoundariesInclusiveAncestorsAndOffsets.mInclusiveAncestorsOfEnd; |
| 1416 | auto& inclusiveAncestorsOffsetsOfEnd = |
| 1417 | mRangeBoundariesInclusiveAncestorsAndOffsets |
| 1418 | .mInclusiveAncestorsOffsetsOfEnd; |
| 1419 | |
| 1420 | nsContentUtils::GetInclusiveAncestors(mClosestCommonInclusiveAncestorOfRange, |
| 1421 | mCommonInclusiveAncestors); |
| 1422 | if (mAllowCrossShadowBoundary == AllowRangeCrossShadowBoundary::Yes) { |
| 1423 | nsContentUtils::GetFlattenedTreeAncestorsAndOffsetsForSelection( |
| 1424 | startContainer, startOffset, inclusiveAncestorsOfStart, |
| 1425 | inclusiveAncestorsOffsetsOfStart); |
| 1426 | nsContentUtils::GetFlattenedTreeAncestorsAndOffsetsForSelection( |
| 1427 | endContainer, endOffset, inclusiveAncestorsOfEnd, |
| 1428 | inclusiveAncestorsOffsetsOfEnd); |
| 1429 | } else { |
| 1430 | nsContentUtils::GetInclusiveAncestorsAndOffsets( |
| 1431 | startContainer, startOffset, inclusiveAncestorsOfStart, |
| 1432 | inclusiveAncestorsOffsetsOfStart); |
| 1433 | nsContentUtils::GetInclusiveAncestorsAndOffsets( |
| 1434 | endContainer, endOffset, inclusiveAncestorsOfEnd, |
| 1435 | inclusiveAncestorsOffsetsOfEnd); |
| 1436 | } |
| 1437 | |
| 1438 | nsCOMPtr<nsIContent> commonContent = |
| 1439 | nsIContent::FromNodeOrNull(mClosestCommonInclusiveAncestorOfRange); |
| 1440 | mStartRootIndex = inclusiveAncestorsOfStart.IndexOf(commonContent); |
| 1441 | mEndRootIndex = inclusiveAncestorsOfEnd.IndexOf(commonContent); |
| 1442 | |
| 1443 | nsresult rv = NS_OK; |
| 1444 | |
| 1445 | rv = mRangeContextSerializer.SerializeRangeContextStart( |
| 1446 | mCommonInclusiveAncestors); |
| 1447 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1447); return rv; } } while (false); |
| 1448 | |
| 1449 | if (startContainer == endContainer && IsTextNode(startContainer)) { |
| 1450 | if (HasInvisibleParentAndShouldBeSkipped(*startContainer)) { |
| 1451 | return NS_OK; |
| 1452 | } |
| 1453 | rv = mNodeSerializer.SerializeTextNode(*startContainer, startOffset, |
| 1454 | endOffset); |
| 1455 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1455); return rv; } } while (false); |
| 1456 | } else { |
| 1457 | rv = SerializeRangeNodes(aRange, mClosestCommonInclusiveAncestorOfRange, 0); |
| 1458 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1458); return rv; } } while (false); |
| 1459 | } |
| 1460 | rv = mRangeContextSerializer.SerializeRangeContextEnd(); |
| 1461 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1461); return rv; } } while (false); |
| 1462 | |
| 1463 | return rv; |
| 1464 | } |
| 1465 | |
| 1466 | void nsDocumentEncoder::ReleaseDocumentReferenceAndInitialize( |
| 1467 | bool aClearCachedSerializer) { |
| 1468 | mDocument = nullptr; |
| 1469 | |
| 1470 | Initialize(aClearCachedSerializer); |
| 1471 | } |
| 1472 | |
| 1473 | NS_IMETHODIMPnsresult |
| 1474 | nsDocumentEncoder::EncodeToString(nsAString& aOutputString) { |
| 1475 | return EncodeToStringWithMaxLength(0, aOutputString); |
| 1476 | } |
| 1477 | |
| 1478 | NS_IMETHODIMPnsresult |
| 1479 | nsDocumentEncoder::EncodeToStringWithMaxLength(uint32_t aMaxLength, |
| 1480 | nsAString& aOutputString) { |
| 1481 | MOZ_ASSERT(mRangeContextSerializer.mRangeContexts.IsEmpty(),do { static_assert( mozilla::detail::AssertionConditionType< decltype(mRangeContextSerializer.mRangeContexts.IsEmpty())> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mRangeContextSerializer.mRangeContexts.IsEmpty()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mRangeContextSerializer.mRangeContexts.IsEmpty()" " (" "Re-entrant call to nsDocumentEncoder." ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1482); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRangeContextSerializer.mRangeContexts.IsEmpty()" ") (" "Re-entrant call to nsDocumentEncoder." ")"); do { MOZ_CrashSequence (__null, 1482); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false) |
| 1482 | "Re-entrant call to nsDocumentEncoder.")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mRangeContextSerializer.mRangeContexts.IsEmpty())> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mRangeContextSerializer.mRangeContexts.IsEmpty()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mRangeContextSerializer.mRangeContexts.IsEmpty()" " (" "Re-entrant call to nsDocumentEncoder." ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1482); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRangeContextSerializer.mRangeContexts.IsEmpty()" ") (" "Re-entrant call to nsDocumentEncoder." ")"); do { MOZ_CrashSequence (__null, 1482); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1483 | auto rangeContextGuard = |
| 1484 | MakeScopeExit([&] { mRangeContextSerializer.mRangeContexts.Clear(); }); |
| 1485 | |
| 1486 | if (!mDocument) return NS_ERROR_NOT_INITIALIZED; |
| 1487 | |
| 1488 | AutoReleaseDocumentIfNeeded autoReleaseDocument(this); |
| 1489 | |
| 1490 | aOutputString.Truncate(); |
| 1491 | |
| 1492 | nsString output; |
| 1493 | static const size_t kStringBufferSizeInBytes = 2048; |
| 1494 | if (!mCachedBuffer) { |
| 1495 | mCachedBuffer = StringBuffer::Alloc(kStringBufferSizeInBytes); |
| 1496 | if (NS_WARN_IF(!mCachedBuffer)NS_warn_if_impl(!mCachedBuffer, "!mCachedBuffer", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1496)) { |
| 1497 | return NS_ERROR_OUT_OF_MEMORY; |
| 1498 | } |
| 1499 | } |
| 1500 | NS_ASSERTION(do { if (!(!mCachedBuffer->IsReadonly())) { NS_DebugBreak( NS_DEBUG_ASSERTION, "nsIDocumentEncoder shouldn't keep reference to non-readonly buffer!" , "!mCachedBuffer->IsReadonly()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1502); MOZ_PretendNoReturn(); } } while (0) |
| 1501 | !mCachedBuffer->IsReadonly(),do { if (!(!mCachedBuffer->IsReadonly())) { NS_DebugBreak( NS_DEBUG_ASSERTION, "nsIDocumentEncoder shouldn't keep reference to non-readonly buffer!" , "!mCachedBuffer->IsReadonly()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1502); MOZ_PretendNoReturn(); } } while (0) |
| 1502 | "nsIDocumentEncoder shouldn't keep reference to non-readonly buffer!")do { if (!(!mCachedBuffer->IsReadonly())) { NS_DebugBreak( NS_DEBUG_ASSERTION, "nsIDocumentEncoder shouldn't keep reference to non-readonly buffer!" , "!mCachedBuffer->IsReadonly()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1502); MOZ_PretendNoReturn(); } } while (0); |
| 1503 | static_cast<char16_t*>(mCachedBuffer->Data())[0] = char16_t(0); |
| 1504 | output.Assign(mCachedBuffer.forget(), 0); |
| 1505 | |
| 1506 | if (!mSerializer) { |
| 1507 | nsAutoCString progId(NS_CONTENTSERIALIZER_CONTRACTID_PREFIX"@mozilla.org/layout/contentserializer;1?mimetype="); |
| 1508 | AppendUTF16toUTF8(mMimeType, progId); |
| 1509 | |
| 1510 | mSerializer = do_CreateInstance(progId.get()); |
| 1511 | NS_ENSURE_TRUE(mSerializer, NS_ERROR_NOT_IMPLEMENTED)do { if ((__builtin_expect(!!(!(mSerializer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "mSerializer" ") failed" , nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1511); return NS_ERROR_NOT_IMPLEMENTED; } } while (false); |
| 1512 | } |
| 1513 | |
| 1514 | nsresult rv = NS_OK; |
| 1515 | |
| 1516 | bool rewriteEncodingDeclaration = |
| 1517 | !mEncodingScope.IsLimited() && |
| 1518 | !(mFlags & OutputDontRewriteEncodingDeclaration); |
| 1519 | mSerializer->Init(mFlags, mWrapColumn, mEncoding, mIsCopying, |
| 1520 | rewriteEncodingDeclaration, &mNeedsPreformatScanning, |
| 1521 | output); |
| 1522 | |
| 1523 | rv = SerializeDependingOnScope(aMaxLength); |
| 1524 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1524); return rv; } } while (false); |
| 1525 | |
| 1526 | rv = mSerializer->FlushAndFinish(); |
| 1527 | |
| 1528 | // We have to be careful how we set aOutputString, because we don't |
| 1529 | // want it to end up sharing mCachedBuffer if we plan to reuse it. |
| 1530 | bool setOutput = false; |
| 1531 | MOZ_ASSERT(!mCachedBuffer)do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mCachedBuffer)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mCachedBuffer))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mCachedBuffer" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1531); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "!mCachedBuffer" ")"); do { MOZ_CrashSequence (__null, 1531); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1532 | // Try to cache the buffer. |
| 1533 | if (StringBuffer* outputBuffer = output.GetOwnedStringBuffer()) { |
| 1534 | if (outputBuffer->StorageSize() == kStringBufferSizeInBytes && |
| 1535 | !outputBuffer->IsReadonly()) { |
| 1536 | mCachedBuffer = outputBuffer; |
| 1537 | } else if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 1538 | aOutputString.Assign(outputBuffer, output.Length()); |
| 1539 | setOutput = true; |
| 1540 | } |
| 1541 | } |
| 1542 | |
| 1543 | if (!setOutput && NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 1544 | aOutputString.Append(output.get(), output.Length()); |
| 1545 | } |
| 1546 | |
| 1547 | return rv; |
| 1548 | } |
| 1549 | |
| 1550 | NS_IMETHODIMPnsresult |
| 1551 | nsDocumentEncoder::EncodeToStream(nsIOutputStream* aStream) { |
| 1552 | MOZ_ASSERT(mRangeContextSerializer.mRangeContexts.IsEmpty(),do { static_assert( mozilla::detail::AssertionConditionType< decltype(mRangeContextSerializer.mRangeContexts.IsEmpty())> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mRangeContextSerializer.mRangeContexts.IsEmpty()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mRangeContextSerializer.mRangeContexts.IsEmpty()" " (" "Re-entrant call to nsDocumentEncoder." ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1553); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRangeContextSerializer.mRangeContexts.IsEmpty()" ") (" "Re-entrant call to nsDocumentEncoder." ")"); do { MOZ_CrashSequence (__null, 1553); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false) |
| 1553 | "Re-entrant call to nsDocumentEncoder.")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mRangeContextSerializer.mRangeContexts.IsEmpty())> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mRangeContextSerializer.mRangeContexts.IsEmpty()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mRangeContextSerializer.mRangeContexts.IsEmpty()" " (" "Re-entrant call to nsDocumentEncoder." ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1553); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRangeContextSerializer.mRangeContexts.IsEmpty()" ") (" "Re-entrant call to nsDocumentEncoder." ")"); do { MOZ_CrashSequence (__null, 1553); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1554 | auto rangeContextGuard = |
| 1555 | MakeScopeExit([&] { mRangeContextSerializer.mRangeContexts.Clear(); }); |
| 1556 | NS_ENSURE_ARG_POINTER(aStream)do { if ((__builtin_expect(!!(!(aStream)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aStream" ") failed", nullptr , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1556); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 1557 | |
| 1558 | nsresult rv = NS_OK; |
| 1559 | |
| 1560 | if (!mDocument) return NS_ERROR_NOT_INITIALIZED; |
| 1561 | |
| 1562 | if (!mEncoding) { |
| 1563 | return NS_ERROR_UCONV_NOCONV; |
| 1564 | } |
| 1565 | |
| 1566 | nsAutoString buf; |
| 1567 | const bool isPlainText = mMimeType.LowerCaseEqualsLiteral(kTextMime"text/plain"); |
| 1568 | mTextStreamer.emplace(*aStream, mEncoding->NewEncoder(), isPlainText, buf); |
| 1569 | |
| 1570 | rv = EncodeToString(buf); |
Value stored to 'rv' is never read | |
| 1571 | |
| 1572 | // Force a flush of the last chunk of data. |
| 1573 | rv = mTextStreamer->ForceFlush(); |
| 1574 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1574); return rv; } } while (false); |
| 1575 | |
| 1576 | mTextStreamer.reset(); |
| 1577 | |
| 1578 | return rv; |
| 1579 | } |
| 1580 | |
| 1581 | NS_IMETHODIMPnsresult |
| 1582 | nsDocumentEncoder::EncodeToStringWithContext(nsAString& aContextString, |
| 1583 | nsAString& aInfoString, |
| 1584 | nsAString& aEncodedString) { |
| 1585 | return NS_ERROR_NOT_IMPLEMENTED; |
| 1586 | } |
| 1587 | |
| 1588 | NS_IMETHODIMPnsresult |
| 1589 | nsDocumentEncoder::SetNodeFixup(nsIDocumentEncoderNodeFixup* aFixup) { |
| 1590 | mNodeFixup = aFixup; |
| 1591 | return NS_OK; |
| 1592 | } |
| 1593 | |
| 1594 | bool do_getDocumentTypeSupportedForEncoding(const char* aContentType) { |
| 1595 | if (!nsCRT::strcmp(aContentType, TEXT_XML"text/xml") || |
| 1596 | !nsCRT::strcmp(aContentType, APPLICATION_XML"application/xml") || |
| 1597 | !nsCRT::strcmp(aContentType, APPLICATION_XHTML_XML"application/xhtml+xml") || |
| 1598 | !nsCRT::strcmp(aContentType, IMAGE_SVG_XML"image/svg+xml") || |
| 1599 | !nsCRT::strcmp(aContentType, TEXT_HTML"text/html") || |
| 1600 | !nsCRT::strcmp(aContentType, TEXT_PLAIN"text/plain")) { |
| 1601 | return true; |
| 1602 | } |
| 1603 | return false; |
| 1604 | } |
| 1605 | |
| 1606 | already_AddRefed<nsIDocumentEncoder> do_createDocumentEncoder( |
| 1607 | const char* aContentType) { |
| 1608 | if (do_getDocumentTypeSupportedForEncoding(aContentType)) { |
| 1609 | return do_AddRef(new nsDocumentEncoder); |
| 1610 | } |
| 1611 | return nullptr; |
| 1612 | } |
| 1613 | |
| 1614 | class nsHTMLCopyEncoder final : public nsDocumentEncoder { |
| 1615 | private: |
| 1616 | class RangeNodeContext final : public nsDocumentEncoder::RangeNodeContext { |
| 1617 | bool IncludeInContext(nsINode& aNode) const final; |
| 1618 | |
| 1619 | int32_t GetImmediateContextCount( |
| 1620 | const nsTArray<nsINode*>& aAncestorArray) const final; |
| 1621 | }; |
| 1622 | |
| 1623 | public: |
| 1624 | nsHTMLCopyEncoder(); |
| 1625 | ~nsHTMLCopyEncoder(); |
| 1626 | |
| 1627 | NS_IMETHODvirtual nsresult Init(Document* aDocument, const nsAString& aMimeType, |
| 1628 | uint32_t aFlags) override; |
| 1629 | |
| 1630 | // overridden methods from nsDocumentEncoder |
| 1631 | MOZ_CAN_RUN_SCRIPT_BOUNDARY |
| 1632 | NS_IMETHODvirtual nsresult SetSelection(Selection* aSelection) override; |
| 1633 | NS_IMETHODvirtual nsresult EncodeToStringWithContext(nsAString& aContextString, |
| 1634 | nsAString& aInfoString, |
| 1635 | nsAString& aEncodedString) override; |
| 1636 | NS_IMETHODvirtual nsresult EncodeToString(nsAString& aOutputString) override; |
| 1637 | |
| 1638 | protected: |
| 1639 | [[nodiscard]] TreeKind GetTreeKind() const { |
| 1640 | return mFlags & nsIDocumentEncoder::AllowCrossShadowBoundary |
| 1641 | ? TreeKind::FlatForSelection |
| 1642 | : TreeKind::DOM; |
| 1643 | } |
| 1644 | nsresult PromoteRange(dom::Range* inRange); |
| 1645 | |
| 1646 | /** |
| 1647 | * Return a promoted start point which may be extended to a point at an |
| 1648 | * ancestor element or error. This climbs up the flattened tree if |
| 1649 | * aPoint.GetTreeKind() is TreeKind::FlatForSelection. |
| 1650 | * |
| 1651 | * @param aPoint Must be set to a valid point. |
| 1652 | * @param aCommon This is used as an ancestor limiter when climbing up the |
| 1653 | * tree. |
| 1654 | * @return If it's not an error, the boundary is always set. |
| 1655 | */ |
| 1656 | Result<RawRangeBoundary, nsresult> GetPromotedStartPoint( |
| 1657 | const RawRangeBoundary& aPoint, const nsINode* const aCommon) const; |
| 1658 | |
| 1659 | /** |
| 1660 | * Return a promoted end point which may be extended to a point after an |
| 1661 | * ancestor element or error. This climbs up the flattened tree if |
| 1662 | * aPoint.GetTreeKind() is TreeKind::FlatForSelection. |
| 1663 | * |
| 1664 | * @param aPoint Must be set to a valid point. |
| 1665 | * @param aCommon This is used as an ancestor limiter when climbing up the |
| 1666 | * tree. |
| 1667 | * @return If it's not an error, the boundary is always set. |
| 1668 | */ |
| 1669 | Result<RawRangeBoundary, nsresult> GetPromotedEndPoint( |
| 1670 | const RawRangeBoundary& aPoint, const nsINode* const aCommon) const; |
| 1671 | |
| 1672 | /** |
| 1673 | * Return a parent point of aPoint, i.e., a point referring the container node |
| 1674 | * of aPoint. If the container is a root of a generated content, this returns |
| 1675 | * unset boundary instead of an error. |
| 1676 | * |
| 1677 | * @param aPoint Must be set to a valid point. |
| 1678 | * @return Even if it's not an error, the boundary may be unset if |
| 1679 | * aPoint's container is a root node of generated content. |
| 1680 | */ |
| 1681 | static Result<RawRangeBoundary, nsresult> GetParentPoint( |
| 1682 | const RawRangeBoundary& aPoint); |
| 1683 | |
| 1684 | /** |
| 1685 | * Return the point after the container node of aPoint. If the container is a |
| 1686 | * root of a generated content, this returns unset boundary instead of an |
| 1687 | * error. |
| 1688 | * |
| 1689 | * @param aPoint Must be set to a valid point. |
| 1690 | * @return Even if it's not an error, the boundary may be unset if |
| 1691 | * aPoint's container is a root node of generated content. |
| 1692 | */ |
| 1693 | static Result<RawRangeBoundary, nsresult> GetPointAfterContainer( |
| 1694 | const RawRangeBoundary& aPoint); |
| 1695 | |
| 1696 | [[nodiscard]] static Maybe<uint32_t> ComputeIndexOfContent( |
| 1697 | const nsINode* aParent, const nsIContent* aChild, TreeKind aTreeKind); |
| 1698 | static bool IsMozBR(Element* aNode); |
| 1699 | bool IsRoot(nsINode* aNode, TreeKind aKind) const; |
| 1700 | |
| 1701 | /** |
| 1702 | * Return true if the child node at the offset of aPoint does not follow a |
| 1703 | * meaningful child in the container. This checks the flattened tree siblings |
| 1704 | * if aPoint.GetTreeKind() is TreeKind::FlatForSelection. |
| 1705 | * |
| 1706 | * @param aPoint Must refers a child node, i.e., must not point the end |
| 1707 | * of the container. |
| 1708 | */ |
| 1709 | static bool ChildIsFirstNode(const RawRangeBoundary& aPoint); |
| 1710 | |
| 1711 | /** |
| 1712 | * Return true if the child node at the offset of aPoint is not followed by a |
| 1713 | * meaningful child in the container. This checks the flattened tree siblings |
| 1714 | * if aPoint.GetTreeKind() is TreeKind::FlatForSelection. |
| 1715 | * |
| 1716 | * @param aPoint Must refers a child node if not pointing to the end of |
| 1717 | * the container. |
| 1718 | */ |
| 1719 | static bool ChildIsLastNode(const RawRangeBoundary& aPoint); |
| 1720 | |
| 1721 | bool mIsTextWidget{false}; |
| 1722 | }; |
| 1723 | |
| 1724 | nsHTMLCopyEncoder::nsHTMLCopyEncoder() |
| 1725 | : nsDocumentEncoder{MakeUnique<nsHTMLCopyEncoder::RangeNodeContext>()} {} |
| 1726 | |
| 1727 | nsHTMLCopyEncoder::~nsHTMLCopyEncoder() = default; |
| 1728 | |
| 1729 | NS_IMETHODIMPnsresult |
| 1730 | nsHTMLCopyEncoder::Init(Document* aDocument, const nsAString& aMimeType, |
| 1731 | uint32_t aFlags) { |
| 1732 | if (!aDocument) return NS_ERROR_INVALID_ARG; |
| 1733 | |
| 1734 | mIsTextWidget = false; |
| 1735 | Initialize(true, GetAllowRangeCrossShadowBoundary(aFlags)); |
| 1736 | |
| 1737 | mIsCopying = true; |
| 1738 | mDocument = aDocument; |
| 1739 | |
| 1740 | // nsHTMLCopyEncoder only accepts "text/plain" or "text/html" MIME types, and |
| 1741 | // the initial MIME type may change after setting the selection. |
| 1742 | MOZ_ASSERT(aMimeType.EqualsLiteral(kTextMime) ||do { static_assert( mozilla::detail::AssertionConditionType< decltype(aMimeType.EqualsLiteral("text/plain") || aMimeType.EqualsLiteral ("text/html"))>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aMimeType.EqualsLiteral("text/plain" ) || aMimeType.EqualsLiteral("text/html")))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aMimeType.EqualsLiteral(\"text/plain\") || aMimeType.EqualsLiteral(\"text/html\")" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1743); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aMimeType.EqualsLiteral(\"text/plain\") || aMimeType.EqualsLiteral(\"text/html\")" ")"); do { MOZ_CrashSequence(__null, 1743); __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 1743 | aMimeType.EqualsLiteral(kHTMLMime))do { static_assert( mozilla::detail::AssertionConditionType< decltype(aMimeType.EqualsLiteral("text/plain") || aMimeType.EqualsLiteral ("text/html"))>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aMimeType.EqualsLiteral("text/plain" ) || aMimeType.EqualsLiteral("text/html")))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aMimeType.EqualsLiteral(\"text/plain\") || aMimeType.EqualsLiteral(\"text/html\")" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1743); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aMimeType.EqualsLiteral(\"text/plain\") || aMimeType.EqualsLiteral(\"text/html\")" ")"); do { MOZ_CrashSequence(__null, 1743); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1744 | if (aMimeType.EqualsLiteral(kTextMime"text/plain")) { |
| 1745 | mMimeType.AssignLiteral(kTextMime"text/plain"); |
| 1746 | } else { |
| 1747 | mMimeType.AssignLiteral(kHTMLMime"text/html"); |
| 1748 | } |
| 1749 | |
| 1750 | // Make all links absolute when copying |
| 1751 | // (see related bugs #57296, #41924, #58646, #32768) |
| 1752 | mFlags = aFlags | OutputAbsoluteLinks; |
| 1753 | |
| 1754 | if (!mDocument->IsScriptEnabled()) mFlags |= OutputNoScriptContent; |
| 1755 | |
| 1756 | return NS_OK; |
| 1757 | } |
| 1758 | |
| 1759 | NS_IMETHODIMPnsresult |
| 1760 | nsHTMLCopyEncoder::SetSelection(Selection* aSelection) { |
| 1761 | // check for text widgets: we need to recognize these so that |
| 1762 | // we don't tweak the selection to be outside of the magic |
| 1763 | // div that ender-lite text widgets are embedded in. |
| 1764 | |
| 1765 | if (!aSelection) return NS_ERROR_NULL_POINTER; |
| 1766 | |
| 1767 | const uint32_t rangeCount = aSelection->RangeCount(); |
| 1768 | |
| 1769 | // if selection is uninitialized return |
| 1770 | if (!rangeCount) { |
| 1771 | return NS_ERROR_FAILURE; |
| 1772 | } |
| 1773 | |
| 1774 | // we'll just use the common parent of the first range. Implicit assumption |
| 1775 | // here that multi-range selections are table cell selections, in which case |
| 1776 | // the common parent is somewhere in the table and we don't really care where. |
| 1777 | // |
| 1778 | // FIXME(emilio, bug 1455894): This assumption is already wrong, and will |
| 1779 | // probably be more wrong in a Shadow DOM world... |
| 1780 | // |
| 1781 | // We should be able to write this as "Find the common ancestor of the |
| 1782 | // selection, then go through the flattened tree and serialize the selected |
| 1783 | // nodes", effectively serializing the composed tree. |
| 1784 | RefPtr<dom::Range> range = aSelection->GetRangeAt(0); |
| 1785 | nsINode* commonParent = range->GetClosestCommonInclusiveAncestor(); |
| 1786 | |
| 1787 | mIsTextWidget = |
| 1788 | commonParent && |
| 1789 | TextControlElement::FromNodeOrNull( |
| 1790 | commonParent->GetClosestNativeAnonymousSubtreeRootParentOrHost()); |
| 1791 | |
| 1792 | // normalize selection if we are not in a widget |
| 1793 | if (mIsTextWidget) { |
| 1794 | mEncodingScope.mSelection = aSelection; |
| 1795 | mMimeType.AssignLiteral("text/plain"); |
| 1796 | return NS_OK; |
| 1797 | } |
| 1798 | |
| 1799 | // XXX We should try to get rid of the Selection object here. |
| 1800 | // XXX bug 1245883 |
| 1801 | |
| 1802 | // also consider ourselves in a text widget if we can't find an html document |
| 1803 | // XXX: nsCopySupport relies on the MIME type not being updated immediately |
| 1804 | // here, so it can apply different encoding for XHTML documents. |
| 1805 | if (!(mDocument && mDocument->IsHTMLDocument())) { |
| 1806 | mIsTextWidget = true; |
| 1807 | mEncodingScope.mSelection = aSelection; |
| 1808 | // mMimeType is set to text/plain when encoding starts. |
| 1809 | return NS_OK; |
| 1810 | } |
| 1811 | |
| 1812 | // there's no Clone() for selection! fix... |
| 1813 | // nsresult rv = aSelection->Clone(getter_AddRefs(mSelection); |
| 1814 | // NS_ENSURE_SUCCESS(rv, rv); |
| 1815 | mEncodingScope.mSelection = new Selection(SelectionType::eNormal, nullptr); |
| 1816 | |
| 1817 | // loop thru the ranges in the selection |
| 1818 | for (const uint32_t rangeIdx : IntegerRange(rangeCount)) { |
| 1819 | MOZ_ASSERT(aSelection->RangeCount() == rangeCount)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aSelection->RangeCount() == rangeCount)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(aSelection->RangeCount() == rangeCount))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aSelection->RangeCount() == rangeCount" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1819); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aSelection->RangeCount() == rangeCount" ")"); do { MOZ_CrashSequence(__null, 1819); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1820 | range = aSelection->GetRangeAt(rangeIdx); |
| 1821 | NS_ENSURE_TRUE(range, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(range)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "range" ") failed", nullptr , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1821); return NS_ERROR_FAILURE; } } while (false); |
| 1822 | RefPtr<dom::Range> myRange = range->CloneRange(); |
| 1823 | MOZ_ASSERT(myRange)do { static_assert( mozilla::detail::AssertionConditionType< decltype(myRange)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(myRange))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("myRange", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1823); AnnotateMozCrashReason("MOZ_ASSERT" "(" "myRange" ")" ); do { MOZ_CrashSequence(__null, 1823); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1824 | |
| 1825 | // adjust range to include any ancestors who's children are entirely |
| 1826 | // selected |
| 1827 | nsresult rv = PromoteRange(myRange); |
| 1828 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1828); return rv; } } while (false); |
| 1829 | |
| 1830 | ErrorResult result; |
| 1831 | RefPtr<Selection> selection(mEncodingScope.mSelection); |
| 1832 | RefPtr<Document> document(mDocument); |
| 1833 | selection->AddRangeAndSelectFramesAndNotifyListenersInternal( |
| 1834 | *myRange, document, result); |
| 1835 | rv = result.StealNSResult(); |
| 1836 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1836); return rv; } } while (false); |
| 1837 | } |
| 1838 | |
| 1839 | return NS_OK; |
| 1840 | } |
| 1841 | |
| 1842 | NS_IMETHODIMPnsresult |
| 1843 | nsHTMLCopyEncoder::EncodeToString(nsAString& aOutputString) { |
| 1844 | if (mIsTextWidget) { |
| 1845 | mMimeType.AssignLiteral("text/plain"); |
| 1846 | } |
| 1847 | return nsDocumentEncoder::EncodeToString(aOutputString); |
| 1848 | } |
| 1849 | |
| 1850 | NS_IMETHODIMPnsresult |
| 1851 | nsHTMLCopyEncoder::EncodeToStringWithContext(nsAString& aContextString, |
| 1852 | nsAString& aInfoString, |
| 1853 | nsAString& aEncodedString) { |
| 1854 | nsresult rv = EncodeToString(aEncodedString); |
| 1855 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1855); return rv; } } while (false); |
| 1856 | |
| 1857 | // do not encode any context info or range hints if we are in a text widget. |
| 1858 | if (mIsTextWidget) return NS_OK; |
| 1859 | |
| 1860 | // now encode common ancestors into aContextString. Note that the common |
| 1861 | // ancestors will be for the last range in the selection in the case of |
| 1862 | // multirange selections. encoding ancestors every range in a multirange |
| 1863 | // selection in a way that could be understood by the paste code would be a |
| 1864 | // lot more work to do. As a practical matter, selections are single range, |
| 1865 | // and the ones that aren't are table cell selections where all the cells are |
| 1866 | // in the same table. |
| 1867 | |
| 1868 | mSerializer->Init(mFlags, mWrapColumn, mEncoding, mIsCopying, false, |
| 1869 | &mNeedsPreformatScanning, aContextString); |
| 1870 | |
| 1871 | // leaf of ancestors might be text node. If so discard it. |
| 1872 | int32_t count = mRangeSerializer.mCommonInclusiveAncestors.Length(); |
| 1873 | int32_t i; |
| 1874 | nsCOMPtr<nsINode> node; |
| 1875 | if (count > 0) { |
| 1876 | node = mRangeSerializer.mCommonInclusiveAncestors.ElementAt(0); |
| 1877 | } |
| 1878 | |
| 1879 | if (node && IsTextNode(node)) { |
| 1880 | mRangeSerializer.mCommonInclusiveAncestors.RemoveElementAt(0); |
| 1881 | if (mRangeSerializer.mContextInfoDepth.mStart) { |
| 1882 | --mRangeSerializer.mContextInfoDepth.mStart; |
| 1883 | } |
| 1884 | if (mRangeSerializer.mContextInfoDepth.mEnd) { |
| 1885 | --mRangeSerializer.mContextInfoDepth.mEnd; |
| 1886 | } |
| 1887 | count--; |
| 1888 | } |
| 1889 | |
| 1890 | i = count; |
| 1891 | while (i > 0) { |
| 1892 | node = mRangeSerializer.mCommonInclusiveAncestors.ElementAt(--i); |
| 1893 | rv = mNodeSerializer.SerializeNodeStart(*node, 0, -1); |
| 1894 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1894); return rv; } } while (false); |
| 1895 | } |
| 1896 | // i = 0; guaranteed by above |
| 1897 | while (i < count) { |
| 1898 | node = mRangeSerializer.mCommonInclusiveAncestors.ElementAt(i++); |
| 1899 | rv = mNodeSerializer.SerializeNodeEnd(*node); |
| 1900 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 1900); return rv; } } while (false); |
| 1901 | } |
| 1902 | |
| 1903 | mSerializer->Finish(); |
| 1904 | |
| 1905 | // encode range info : the start and end depth of the selection, where the |
| 1906 | // depth is distance down in the parent hierarchy. Later we will need to add |
| 1907 | // leading/trailing whitespace info to this. |
| 1908 | nsAutoString infoString; |
| 1909 | infoString.AppendInt(mRangeSerializer.mContextInfoDepth.mStart); |
| 1910 | infoString.Append(char16_t(',')); |
| 1911 | infoString.AppendInt(mRangeSerializer.mContextInfoDepth.mEnd); |
| 1912 | aInfoString = std::move(infoString); |
| 1913 | |
| 1914 | return rv; |
| 1915 | } |
| 1916 | |
| 1917 | bool nsHTMLCopyEncoder::RangeNodeContext::IncludeInContext( |
| 1918 | nsINode& aNode) const { |
| 1919 | const nsIContent* const content = nsIContent::FromNodeOrNull(&aNode); |
| 1920 | if (!content) { |
| 1921 | return false; |
| 1922 | } |
| 1923 | |
| 1924 | // If it's an inline editing host, we should not treat it gives a context to |
| 1925 | // avoid to duplicate its style. |
| 1926 | if (content->IsEditingHost()) { |
| 1927 | return false; |
| 1928 | } |
| 1929 | |
| 1930 | return content->IsAnyOfHTMLElements( |
| 1931 | nsGkAtoms::b, nsGkAtoms::i, nsGkAtoms::u, nsGkAtoms::a, nsGkAtoms::tt, |
| 1932 | nsGkAtoms::s, nsGkAtoms::big, nsGkAtoms::small, nsGkAtoms::strike, |
| 1933 | nsGkAtoms::em, nsGkAtoms::strong, nsGkAtoms::dfn, nsGkAtoms::code, |
| 1934 | nsGkAtoms::cite, nsGkAtoms::var, nsGkAtoms::abbr, nsGkAtoms::font, |
| 1935 | nsGkAtoms::script, nsGkAtoms::span, nsGkAtoms::pre, nsGkAtoms::h1, |
| 1936 | nsGkAtoms::h2, nsGkAtoms::h3, nsGkAtoms::h4, nsGkAtoms::h5, |
| 1937 | nsGkAtoms::h6); |
| 1938 | } |
| 1939 | |
| 1940 | nsresult nsHTMLCopyEncoder::PromoteRange(dom::Range* inRange) { |
| 1941 | if (!inRange->IsPositioned()) { |
| 1942 | return NS_ERROR_UNEXPECTED; |
| 1943 | } |
| 1944 | const RawRangeBoundary startRef = [&]() -> RawRangeBoundary { |
| 1945 | if (GetTreeKind() == TreeKind::DOM) { |
| 1946 | // XXX If GetTreeKind() returns TreeKind::DOM but |
| 1947 | // inRange->MayCrossShadowBoundaryStartRef().GetTreeKind() returns |
| 1948 | // TreeKind::FlatForSelection, what should we do? The result may cross |
| 1949 | // the shadow DOM boundaries even though the our user do not want that. |
| 1950 | return inRange->MayCrossShadowBoundaryStartRef().AsRaw(); |
| 1951 | } |
| 1952 | MOZ_ASSERT(GetTreeKind() == TreeKind::FlatForSelection)do { static_assert( mozilla::detail::AssertionConditionType< decltype(GetTreeKind() == TreeKind::FlatForSelection)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(GetTreeKind() == TreeKind::FlatForSelection))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("GetTreeKind() == TreeKind::FlatForSelection" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1952); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "GetTreeKind() == TreeKind::FlatForSelection" ")"); do { MOZ_CrashSequence(__null, 1952); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1953 | const RangeBoundaryFor startBoundaryIsFor = |
| 1954 | inRange->Collapsed() ? RangeBoundaryFor::Collapsed |
| 1955 | : RangeBoundaryFor::Start; |
| 1956 | // Ensure the range boundary is in a flattened node. |
| 1957 | return inRange->MayCrossShadowBoundaryStartRef() |
| 1958 | .AsRaw() |
| 1959 | .GetRangeBoundaryInFlatTree(startBoundaryIsFor); |
| 1960 | }(); |
| 1961 | const RawRangeBoundary endRef = [&]() -> RawRangeBoundary { |
| 1962 | if (GetTreeKind() == TreeKind::DOM) { |
| 1963 | // XXX If GetTreeKind() returns TreeKind::DOM but |
| 1964 | // inRange->MayCrossShadowBoundaryEndRef().GetTreeKind() returns |
| 1965 | // TreeKind::FlatForSelection, what should we do? The result may cross |
| 1966 | // the shadow DOM boundaries even though the our user do not want that. |
| 1967 | return inRange->MayCrossShadowBoundaryEndRef().AsRaw(); |
| 1968 | } |
| 1969 | MOZ_ASSERT(GetTreeKind() == TreeKind::FlatForSelection)do { static_assert( mozilla::detail::AssertionConditionType< decltype(GetTreeKind() == TreeKind::FlatForSelection)>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(GetTreeKind() == TreeKind::FlatForSelection))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("GetTreeKind() == TreeKind::FlatForSelection" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1969); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "GetTreeKind() == TreeKind::FlatForSelection" ")"); do { MOZ_CrashSequence(__null, 1969); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1970 | const RangeBoundaryFor endBoundaryIsFor = inRange->Collapsed() |
| 1971 | ? RangeBoundaryFor::Collapsed |
| 1972 | : RangeBoundaryFor::End; |
| 1973 | // Ensure the range boundary is in a flattened node. |
| 1974 | return inRange->MayCrossShadowBoundaryEndRef() |
| 1975 | .AsRaw() |
| 1976 | .GetRangeBoundaryInFlatTree(endBoundaryIsFor); |
| 1977 | }(); |
| 1978 | MOZ_ASSERT(startRef.GetTreeKind() == endRef.GetTreeKind())do { static_assert( mozilla::detail::AssertionConditionType< decltype(startRef.GetTreeKind() == endRef.GetTreeKind())>:: isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(startRef.GetTreeKind() == endRef.GetTreeKind()))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("startRef.GetTreeKind() == endRef.GetTreeKind()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1978); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "startRef.GetTreeKind() == endRef.GetTreeKind()" ")"); do { MOZ_CrashSequence(__null, 1978); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1979 | const nsINode* const commonAncestor = |
| 1980 | inRange->GetClosestCommonInclusiveAncestor( |
| 1981 | AllowRangeCrossShadowBoundary::Yes); |
| 1982 | MOZ_ASSERT(commonAncestor)do { static_assert( mozilla::detail::AssertionConditionType< decltype(commonAncestor)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(commonAncestor))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("commonAncestor" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1982); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "commonAncestor" ")"); do { MOZ_CrashSequence (__null, 1982); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1983 | |
| 1984 | // examine range endpoints. |
| 1985 | Result<RawRangeBoundary, nsresult> promotedStartPointOrError = |
| 1986 | GetPromotedStartPoint(startRef, commonAncestor); |
| 1987 | if (NS_WARN_IF(promotedStartPointOrError.isErr())NS_warn_if_impl(promotedStartPointOrError.isErr(), "promotedStartPointOrError.isErr()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1987)) { |
| 1988 | return NS_ERROR_FAILURE; |
| 1989 | } |
| 1990 | Result<RawRangeBoundary, nsresult> promotedEndPointOrError = |
| 1991 | GetPromotedEndPoint(endRef, commonAncestor); |
| 1992 | if (NS_WARN_IF(promotedEndPointOrError.isErr())NS_warn_if_impl(promotedEndPointOrError.isErr(), "promotedEndPointOrError.isErr()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1992)) { |
| 1993 | return NS_ERROR_FAILURE; |
| 1994 | } |
| 1995 | |
| 1996 | RawRangeBoundary promotedStartPoint = promotedStartPointOrError.unwrap(); |
| 1997 | MOZ_ASSERT(promotedStartPoint.IsSet())do { static_assert( mozilla::detail::AssertionConditionType< decltype(promotedStartPoint.IsSet())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(promotedStartPoint.IsSet())) ), 0))) { do { } while (false); MOZ_ReportAssertionFailure("promotedStartPoint.IsSet()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1997); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "promotedStartPoint.IsSet()" ")"); do { MOZ_CrashSequence (__null, 1997); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1998 | RawRangeBoundary promotedEndPoint = promotedEndPointOrError.unwrap(); |
| 1999 | MOZ_ASSERT(promotedEndPoint.IsSet())do { static_assert( mozilla::detail::AssertionConditionType< decltype(promotedEndPoint.IsSet())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(promotedEndPoint.IsSet()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("promotedEndPoint.IsSet()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 1999); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "promotedEndPoint.IsSet()" ")"); do { MOZ_CrashSequence (__null, 1999); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2000 | |
| 2001 | // set the range to the new values |
| 2002 | ErrorResult err; |
| 2003 | inRange->SetStart(promotedStartPoint.AsRangeBoundaryInDOMTree(), err, |
| 2004 | GetAllowRangeCrossShadowBoundary(mFlags)); |
| 2005 | if (NS_WARN_IF(err.Failed())NS_warn_if_impl(err.Failed(), "err.Failed()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2005)) { |
| 2006 | return err.StealNSResult(); |
| 2007 | } |
| 2008 | inRange->SetEnd(RawRangeBoundary(promotedEndPoint.AsRangeBoundaryInDOMTree()), |
| 2009 | err, GetAllowRangeCrossShadowBoundary(mFlags)); |
| 2010 | if (NS_WARN_IF(err.Failed())NS_warn_if_impl(err.Failed(), "err.Failed()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2010)) { |
| 2011 | return err.StealNSResult(); |
| 2012 | } |
| 2013 | return NS_OK; |
| 2014 | } |
| 2015 | |
| 2016 | Result<RawRangeBoundary, nsresult> nsHTMLCopyEncoder::GetPromotedStartPoint( |
| 2017 | const RawRangeBoundary& aPoint, const nsINode* const aCommon) const { |
| 2018 | MOZ_ASSERT(aPoint.IsSet())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPoint.IsSet())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPoint.IsSet()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPoint.IsSet()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2018); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aPoint.IsSet()" ")"); do { MOZ_CrashSequence (__null, 2018); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2019 | |
| 2020 | using OffsetFilter = RawRangeBoundary::OffsetFilter; |
| 2021 | |
| 2022 | // default values |
| 2023 | if (aCommon == aPoint.GetContainer() || |
| 2024 | IsRoot(aPoint.GetContainer(), aPoint.GetTreeKind())) { |
| 2025 | return aPoint; |
| 2026 | } |
| 2027 | |
| 2028 | RawRangeBoundary point(aPoint.GetTreeKind()); |
| 2029 | bool resetPromotion = false; |
| 2030 | |
| 2031 | // some special casing for text nodes |
| 2032 | if (auto* const nodeAsText = Text::FromNode(aPoint.GetContainer())) { |
| 2033 | // if not at beginning of text node, we are done |
| 2034 | if (!aPoint.IsStartOfContainer()) { |
| 2035 | // unless everything before us in just whitespace. NOTE: we need a more |
| 2036 | // general solution that truly detects all cases of non-significant |
| 2037 | // whitesace with no false alarms. |
| 2038 | if (!nodeAsText->TextStartsWithOnlyWhitespace( |
| 2039 | *aPoint.Offset(OffsetFilter::kValidOrInvalidOffsets))) { |
| 2040 | return aPoint; |
| 2041 | } |
| 2042 | resetPromotion = true; |
| 2043 | } |
| 2044 | // If it points the start of a `Text`, we want to extend the start boundary |
| 2045 | // to the parent element. |
| 2046 | Result<RawRangeBoundary, nsresult> parentPointOrError = |
| 2047 | GetParentPoint(aPoint); |
| 2048 | if (NS_WARN_IF(parentPointOrError.isErr())NS_warn_if_impl(parentPointOrError.isErr(), "parentPointOrError.isErr()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2048)) { |
| 2049 | return parentPointOrError.propagateErr(); |
| 2050 | } |
| 2051 | point = parentPointOrError.unwrap(); |
| 2052 | if (MOZ_UNLIKELY(!point.IsSet())(__builtin_expect(!!(!point.IsSet()), 0))) { |
| 2053 | NS_WARNING(fmt::format("aPoint={}", aPoint).c_str())NS_DebugBreak(NS_DEBUG_WARNING, fmt::format("aPoint={}", aPoint ).c_str(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2053); |
| 2054 | MOZ_ASSERT_UNREACHABLE(do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2056); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2056); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2055 | "Selection shouldn't start/end in generated content nor content "do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2056); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2056); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2056 | "being removed")do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2056); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2056); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 2057 | return aPoint; |
| 2058 | } |
| 2059 | if (point.GetContainer() == aCommon) { |
| 2060 | return aPoint; |
| 2061 | } |
| 2062 | } else { |
| 2063 | // If aPoint points a child node, try to climbing up the tree from the |
| 2064 | // point. |
| 2065 | // XXX: Should we only start from the container of aPoint when it points to |
| 2066 | // start of the container and the container has no children? Currently we |
| 2067 | // start from the container even when aPoint is invalid, which seems wrong. |
| 2068 | if (aPoint.GetContainer()->HasChildNodes() && !aPoint.IsEndOfContainer()) { |
| 2069 | if (aPoint.GetContainer() == aCommon) { |
| 2070 | return aPoint; |
| 2071 | } |
| 2072 | point = aPoint; |
| 2073 | } |
| 2074 | // Otherwise, aPoint points the end of the container (including when the |
| 2075 | // container has no child), we can climbing up the tree from its parent. |
| 2076 | else { |
| 2077 | Result<RawRangeBoundary, nsresult> parentPointOrError = |
| 2078 | GetParentPoint(aPoint); |
| 2079 | if (NS_WARN_IF(parentPointOrError.isErr())NS_warn_if_impl(parentPointOrError.isErr(), "parentPointOrError.isErr()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2079)) { |
| 2080 | return parentPointOrError.propagateErr(); |
| 2081 | } |
| 2082 | point = parentPointOrError.unwrap(); |
| 2083 | if (MOZ_UNLIKELY(!point.IsSet())(__builtin_expect(!!(!point.IsSet()), 0))) { |
| 2084 | NS_WARNING(fmt::format("aPoint={}", aPoint).c_str())NS_DebugBreak(NS_DEBUG_WARNING, fmt::format("aPoint={}", aPoint ).c_str(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2084); |
| 2085 | MOZ_ASSERT_UNREACHABLE(do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2087); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2087); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2086 | "Selection shouldn't start/end in generated content nor content "do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2087); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2087); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2087 | "being removed")do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2087); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2087); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 2088 | return aPoint; |
| 2089 | } |
| 2090 | } |
| 2091 | } |
| 2092 | NS_WARNING_ASSERTION(do { if (!(point.GetChildAtOffset())) { NS_DebugBreak(NS_DEBUG_WARNING , nsFmtCString( [] { struct __attribute__((visibility("hidden" ))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetChildAtOffset()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2097); } } while (false) |
| 2093 | point.GetChildAtOffset(),do { if (!(point.GetChildAtOffset())) { NS_DebugBreak(NS_DEBUG_WARNING , nsFmtCString( [] { struct __attribute__((visibility("hidden" ))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetChildAtOffset()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2097); } } while (false) |
| 2094 | nsFmtCString(do { if (!(point.GetChildAtOffset())) { NS_DebugBreak(NS_DEBUG_WARNING , nsFmtCString( [] { struct __attribute__((visibility("hidden" ))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetChildAtOffset()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2097); } } while (false) |
| 2095 | FMT_STRING("Not pointing a child node:\npoint={}\naPoint={}\n"),do { if (!(point.GetChildAtOffset())) { NS_DebugBreak(NS_DEBUG_WARNING , nsFmtCString( [] { struct __attribute__((visibility("hidden" ))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetChildAtOffset()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2097); } } while (false) |
| 2096 | point, aPoint)do { if (!(point.GetChildAtOffset())) { NS_DebugBreak(NS_DEBUG_WARNING , nsFmtCString( [] { struct __attribute__((visibility("hidden" ))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetChildAtOffset()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2097); } } while (false) |
| 2097 | .get())do { if (!(point.GetChildAtOffset())) { NS_DebugBreak(NS_DEBUG_WARNING , nsFmtCString( [] { struct __attribute__((visibility("hidden" ))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetChildAtOffset()", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2097); } } while (false); |
| 2098 | MOZ_ASSERT(point.GetChildAtOffset())do { static_assert( mozilla::detail::AssertionConditionType< decltype(point.GetChildAtOffset())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(point.GetChildAtOffset()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("point.GetChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2098); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "point.GetChildAtOffset()" ")"); do { MOZ_CrashSequence (__null, 2098); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2099 | |
| 2100 | // finding the real start for this point. look up the tree for as long as |
| 2101 | // we are the first node in the container, and as long as we haven't hit the |
| 2102 | // body node. |
| 2103 | if (aPoint.GetContainer() != point.GetChildAtOffset() && |
| 2104 | IsRoot(point.GetChildAtOffset(), point.GetTreeKind())) { |
| 2105 | return aPoint; |
| 2106 | } |
| 2107 | |
| 2108 | while (point.GetContainer() != aCommon && |
| 2109 | !IsRoot(point.GetContainer(), point.GetTreeKind()) && |
| 2110 | ChildIsFirstNode(point)) { |
| 2111 | if (resetPromotion) { |
| 2112 | nsIContent* const parentContent = |
| 2113 | nsIContent::FromNodeOrNull(point.GetContainer()); |
| 2114 | if (parentContent && parentContent->IsHTMLElement() && |
| 2115 | nsHTMLElement::IsBlock( |
| 2116 | nsHTMLTags::AtomTagToId(parentContent->NodeInfo()->NameAtom()))) { |
| 2117 | resetPromotion = false; |
| 2118 | } |
| 2119 | } |
| 2120 | Result<RawRangeBoundary, nsresult> parentPointOrError = |
| 2121 | GetParentPoint(point); |
| 2122 | if (MOZ_UNLIKELY(parentPointOrError.isErr())(__builtin_expect(!!(parentPointOrError.isErr()), 0))) { |
| 2123 | return parentPointOrError.propagateErr(); |
| 2124 | } |
| 2125 | if (MOZ_UNLIKELY(!parentPointOrError.inspect().IsSet())(__builtin_expect(!!(!parentPointOrError.inspect().IsSet()), 0 ))) { |
| 2126 | NS_WARNING(fmt::format("aPoint={}", aPoint).c_str())NS_DebugBreak(NS_DEBUG_WARNING, fmt::format("aPoint={}", aPoint ).c_str(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2126); |
| 2127 | MOZ_ASSERT_UNREACHABLE(do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2129); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2129); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2128 | "Selection shouldn't start/end in generated content nor content "do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2129); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2129); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2129 | "being removed")do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2129); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2129); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 2130 | return Err(NS_ERROR_FAILURE); |
| 2131 | } |
| 2132 | point = parentPointOrError.unwrap(); |
| 2133 | } |
| 2134 | |
| 2135 | return resetPromotion ? aPoint : point; |
| 2136 | } |
| 2137 | |
| 2138 | Result<RawRangeBoundary, nsresult> nsHTMLCopyEncoder::GetPromotedEndPoint( |
| 2139 | const RawRangeBoundary& aPoint, const nsINode* const aCommon) const { |
| 2140 | MOZ_ASSERT(aPoint.IsSet())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPoint.IsSet())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPoint.IsSet()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPoint.IsSet()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2140); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aPoint.IsSet()" ")"); do { MOZ_CrashSequence (__null, 2140); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2141 | |
| 2142 | using OffsetFilter = RawRangeBoundary::OffsetFilter; |
| 2143 | |
| 2144 | // default values |
| 2145 | if (aCommon == aPoint.GetContainer() || |
| 2146 | IsRoot(aPoint.GetContainer(), aPoint.GetTreeKind())) { |
| 2147 | return aPoint; |
| 2148 | } |
| 2149 | |
| 2150 | RawRangeBoundary point(aPoint.GetTreeKind()); |
| 2151 | bool resetPromotion = false; |
| 2152 | |
| 2153 | // Some special casing for CharacterData nodes. |
| 2154 | if (aPoint.GetContainer()->IsCharacterData()) { |
| 2155 | if (auto* const nodeAsText = Text::FromNode(aPoint.GetContainer())) { |
| 2156 | // if not at end of text node, we are done |
| 2157 | if (!aPoint.IsEndOfContainer()) { |
| 2158 | // unless everything after us is just whitespace. NOTE: we need a more |
| 2159 | // general solution that truly detects all cases of non-significant |
| 2160 | // whitespace with no false alarms. |
| 2161 | if (!nodeAsText->TextEndsWithOnlyWhitespace( |
| 2162 | *aPoint.Offset(OffsetFilter::kValidOrInvalidOffsets))) { |
| 2163 | return aPoint; |
| 2164 | } |
| 2165 | resetPromotion = true; |
| 2166 | } |
| 2167 | // If it points the end of a `Text`, we want to extend the end boundary |
| 2168 | // to the parent element. |
| 2169 | } |
| 2170 | // For other CharacterData nodes, we always extend the end boundary to the |
| 2171 | // parent element. |
| 2172 | Result<RawRangeBoundary, nsresult> parentPointOrError = |
| 2173 | GetPointAfterContainer(aPoint); |
| 2174 | if (NS_WARN_IF(parentPointOrError.isErr())NS_warn_if_impl(parentPointOrError.isErr(), "parentPointOrError.isErr()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2174)) { |
| 2175 | return parentPointOrError.propagateErr(); |
| 2176 | } |
| 2177 | point = parentPointOrError.unwrap(); |
| 2178 | if (MOZ_UNLIKELY(!point.IsSet())(__builtin_expect(!!(!point.IsSet()), 0))) { |
| 2179 | NS_WARNING(fmt::format("aPoint={}", aPoint).c_str())NS_DebugBreak(NS_DEBUG_WARNING, fmt::format("aPoint={}", aPoint ).c_str(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2179); |
| 2180 | MOZ_ASSERT_UNREACHABLE(do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2182); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2182); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2181 | "Selection shouldn't start/end in generated content nor content "do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2182); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2182); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2182 | "being removed")do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2182); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2182); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 2183 | return aPoint; |
| 2184 | } |
| 2185 | if (point.GetContainer() == aCommon || |
| 2186 | IsRoot(point.GetContainer(), point.GetTreeKind())) { |
| 2187 | return aPoint; |
| 2188 | } |
| 2189 | NS_WARNING_ASSERTION(do { if (!(point.GetPreviousSiblingOfChildAtOffset())) { NS_DebugBreak (NS_DEBUG_WARNING, nsFmtCString( [] { struct __attribute__((visibility ("hidden"))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetPreviousSiblingOfChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2194); } } while (false) |
| 2190 | point.GetPreviousSiblingOfChildAtOffset(),do { if (!(point.GetPreviousSiblingOfChildAtOffset())) { NS_DebugBreak (NS_DEBUG_WARNING, nsFmtCString( [] { struct __attribute__((visibility ("hidden"))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetPreviousSiblingOfChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2194); } } while (false) |
| 2191 | nsFmtCString(do { if (!(point.GetPreviousSiblingOfChildAtOffset())) { NS_DebugBreak (NS_DEBUG_WARNING, nsFmtCString( [] { struct __attribute__((visibility ("hidden"))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetPreviousSiblingOfChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2194); } } while (false) |
| 2192 | FMT_STRING("Not pointing a child node:\npoint={}\naPoint={}\n"),do { if (!(point.GetPreviousSiblingOfChildAtOffset())) { NS_DebugBreak (NS_DEBUG_WARNING, nsFmtCString( [] { struct __attribute__((visibility ("hidden"))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetPreviousSiblingOfChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2194); } } while (false) |
| 2193 | point, aPoint)do { if (!(point.GetPreviousSiblingOfChildAtOffset())) { NS_DebugBreak (NS_DEBUG_WARNING, nsFmtCString( [] { struct __attribute__((visibility ("hidden"))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetPreviousSiblingOfChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2194); } } while (false) |
| 2194 | .get())do { if (!(point.GetPreviousSiblingOfChildAtOffset())) { NS_DebugBreak (NS_DEBUG_WARNING, nsFmtCString( [] { struct __attribute__((visibility ("hidden"))) FMT_COMPILE_STRING : fmt::detail::compile_string { using char_type = fmt::remove_cvref_t<decltype("Not pointing a child node:\npoint={}\naPoint={}\n" [0])>; constexpr explicit operator fmt::basic_string_view< char_type>() const { return fmt::detail::compile_string_to_view <char_type>("Not pointing a child node:\npoint={}\naPoint={}\n" ); } }; using FMT_STRING_VIEW = fmt::basic_string_view<typename FMT_COMPILE_STRING::char_type>; fmt::detail::ignore_unused (FMT_STRING_VIEW(FMT_COMPILE_STRING())); return FMT_COMPILE_STRING (); }(), point, aPoint) .get(), "point.GetPreviousSiblingOfChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2194); } } while (false); |
| 2195 | MOZ_ASSERT(point.GetPreviousSiblingOfChildAtOffset())do { static_assert( mozilla::detail::AssertionConditionType< decltype(point.GetPreviousSiblingOfChildAtOffset())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(point.GetPreviousSiblingOfChildAtOffset()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("point.GetPreviousSiblingOfChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2195); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "point.GetPreviousSiblingOfChildAtOffset()" ")"); do { MOZ_CrashSequence(__null, 2195); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2196 | } else { |
| 2197 | point = aPoint; |
| 2198 | } |
| 2199 | MOZ_ASSERT(point.IsSet())do { static_assert( mozilla::detail::AssertionConditionType< decltype(point.IsSet())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(point.IsSet()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("point.IsSet()", "./../../../dom/serializers/nsDocumentEncoder.cpp", 2199); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "point.IsSet()" ")"); do { MOZ_CrashSequence (__null, 2199); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2200 | MOZ_ASSERT(!IsRoot(point.GetContainer(), point.GetTreeKind()))do { static_assert( mozilla::detail::AssertionConditionType< decltype(!IsRoot(point.GetContainer(), point.GetTreeKind()))> ::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!IsRoot(point.GetContainer(), point.GetTreeKind()))) ), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!IsRoot(point.GetContainer(), point.GetTreeKind())" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2200); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "!IsRoot(point.GetContainer(), point.GetTreeKind())" ")"); do { MOZ_CrashSequence(__null, 2200); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2201 | |
| 2202 | // finding the real end for this point. look up the tree for as long as we |
| 2203 | // are the last node in the container, and as long as we haven't hit the |
| 2204 | // body node. |
| 2205 | while (point.GetContainer() != aCommon && |
| 2206 | !IsRoot(point.GetContainer(), point.GetTreeKind()) && |
| 2207 | ChildIsLastNode(point)) { |
| 2208 | if (resetPromotion) { |
| 2209 | nsIContent* const parentContent = |
| 2210 | nsIContent::FromNodeOrNull(point.GetContainer()); |
| 2211 | if (parentContent && parentContent->IsHTMLElement() && |
| 2212 | nsHTMLElement::IsBlock( |
| 2213 | nsHTMLTags::AtomTagToId(parentContent->NodeInfo()->NameAtom()))) { |
| 2214 | resetPromotion = false; |
| 2215 | } |
| 2216 | } |
| 2217 | |
| 2218 | Result<RawRangeBoundary, nsresult> parentPointOrError = |
| 2219 | GetPointAfterContainer(point); |
| 2220 | if (MOZ_UNLIKELY(parentPointOrError.isErr())(__builtin_expect(!!(parentPointOrError.isErr()), 0))) { |
| 2221 | NS_WARNING(fmt::format("point={}", point).c_str())NS_DebugBreak(NS_DEBUG_WARNING, fmt::format("point={}", point ).c_str(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2221); |
| 2222 | return parentPointOrError.propagateErr(); |
| 2223 | } |
| 2224 | |
| 2225 | if (MOZ_UNLIKELY(!parentPointOrError.inspect().IsSet())(__builtin_expect(!!(!parentPointOrError.inspect().IsSet()), 0 ))) { |
| 2226 | NS_WARNING(fmt::format("point={}", point).c_str())NS_DebugBreak(NS_DEBUG_WARNING, fmt::format("point={}", point ).c_str(), nullptr, "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2226); |
| 2227 | MOZ_ASSERT_UNREACHABLE(do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2229); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2229); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2228 | "Selection shouldn't start/end in generated content nor content "do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2229); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2229); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false) |
| 2229 | "being removed")do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2229); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Selection shouldn't start/end in generated content nor content " "being removed" ")"); do { MOZ_CrashSequence(__null, 2229); __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 2230 | return Err(NS_ERROR_FAILURE); |
| 2231 | } |
| 2232 | point = parentPointOrError.unwrap(); |
| 2233 | } |
| 2234 | |
| 2235 | return resetPromotion ? aPoint : point; |
| 2236 | } |
| 2237 | |
| 2238 | bool nsHTMLCopyEncoder::IsMozBR(Element* aElement) { |
| 2239 | HTMLBRElement* brElement = HTMLBRElement::FromNodeOrNull(aElement); |
| 2240 | return brElement && brElement->IsPaddingForEmptyLastLine(); |
| 2241 | } |
| 2242 | |
| 2243 | // static |
| 2244 | Maybe<uint32_t> nsHTMLCopyEncoder::ComputeIndexOfContent( |
| 2245 | const nsINode* aParent, const nsIContent* aChild, TreeKind aTreeKind) { |
| 2246 | MOZ_ASSERT(aParent)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aParent)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aParent))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aParent", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2246); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aParent" ")" ); do { MOZ_CrashSequence(__null, 2246); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2247 | MOZ_ASSERT(aChild)do { static_assert( mozilla::detail::AssertionConditionType< decltype(aChild)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(aChild))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aChild", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2247); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aChild" ")" ); do { MOZ_CrashSequence(__null, 2247); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2248 | |
| 2249 | return aTreeKind == TreeKind::DOM |
| 2250 | ? aParent->ComputeIndexOf(aChild) |
| 2251 | : aParent->ComputeFlatTreeForSelectionIndexOf(aChild); |
| 2252 | } |
| 2253 | |
| 2254 | Result<RawRangeBoundary, nsresult> nsHTMLCopyEncoder::GetParentPoint( |
| 2255 | const RawRangeBoundary& aPoint) { |
| 2256 | MOZ_ASSERT(aPoint.IsSet())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPoint.IsSet())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPoint.IsSet()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPoint.IsSet()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2256); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aPoint.IsSet()" ")"); do { MOZ_CrashSequence (__null, 2256); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2257 | |
| 2258 | nsIContent* const containerContent = |
| 2259 | nsIContent::FromNodeOrNull(aPoint.GetContainer()); |
| 2260 | if (MOZ_UNLIKELY(!containerContent)(__builtin_expect(!!(!containerContent), 0))) { |
| 2261 | return Err(NS_ERROR_NULL_POINTER); |
| 2262 | } |
| 2263 | |
| 2264 | // If the container is a ShadowRoot, GetFlattenedTreeParentNodeForSelection() |
| 2265 | // returns nullptr. However, we want to keep handling in the host. |
| 2266 | if (aPoint.GetTreeKind() == TreeKind::FlatForSelection) { |
| 2267 | if (ShadowRoot* const shadowRoot = ShadowRoot::FromNode(containerContent)) { |
| 2268 | Element* const host = shadowRoot->GetHost(); |
| 2269 | if (MOZ_UNLIKELY(!host)(__builtin_expect(!!(!host), 0))) { |
| 2270 | return Err(NS_ERROR_NULL_POINTER); |
| 2271 | } |
| 2272 | // Return the point of the host element. Then, the caller can check |
| 2273 | // whether the host element is the first/last meaningful node in its |
| 2274 | // parent. |
| 2275 | RawRangeBoundary atHost = |
| 2276 | RawRangeBoundary::FromChild(*host, aPoint.GetTreeKind()); |
| 2277 | if (MOZ_UNLIKELY(!atHost.IsSet())(__builtin_expect(!!(!atHost.IsSet()), 0))) { |
| 2278 | // The host element may not be a part of the flattened tree, i.e., its |
| 2279 | // parent node is another shadow host and not assigned to any <slot>. |
| 2280 | return Err(NS_ERROR_NULL_POINTER); |
| 2281 | } |
| 2282 | return std::move(atHost); |
| 2283 | } |
| 2284 | } |
| 2285 | |
| 2286 | nsINode* const containerParentNode = |
| 2287 | aPoint.GetTreeKind() == TreeKind::FlatForSelection |
| 2288 | ? containerContent->GetFlattenedTreeParentNodeForSelection() |
| 2289 | : containerContent->GetParentNode(); |
| 2290 | if (MOZ_UNLIKELY(!containerParentNode)(__builtin_expect(!!(!containerParentNode), 0))) { |
| 2291 | return Err(NS_ERROR_NULL_POINTER); |
| 2292 | } |
| 2293 | |
| 2294 | const Maybe<uint32_t> indexOfContainer = ComputeIndexOfContent( |
| 2295 | containerParentNode, containerContent, aPoint.GetTreeKind()); |
| 2296 | if (MOZ_UNLIKELY(indexOfContainer.isNothing())(__builtin_expect(!!(indexOfContainer.isNothing()), 0))) { |
| 2297 | return RawRangeBoundary(aPoint.GetTreeKind()); |
| 2298 | } |
| 2299 | return RawRangeBoundary( |
| 2300 | containerParentNode, *indexOfContainer, |
| 2301 | // Do not compute the previous sibling of the child immediately because it |
| 2302 | // may not be cheap if we're handling in the flat tree. |
| 2303 | RangeBoundarySetBy::Offset, aPoint.GetTreeKind()); |
| 2304 | } |
| 2305 | |
| 2306 | Result<RawRangeBoundary, nsresult> nsHTMLCopyEncoder::GetPointAfterContainer( |
| 2307 | const RawRangeBoundary& aPoint) { |
| 2308 | MOZ_ASSERT(aPoint.IsSet())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPoint.IsSet())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPoint.IsSet()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPoint.IsSet()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2308); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aPoint.IsSet()" ")"); do { MOZ_CrashSequence (__null, 2308); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2309 | |
| 2310 | nsIContent* const containerContent = |
| 2311 | nsIContent::FromNodeOrNull(aPoint.GetContainer()); |
| 2312 | if (MOZ_UNLIKELY(!containerContent)(__builtin_expect(!!(!containerContent), 0))) { |
| 2313 | return Err(NS_ERROR_NULL_POINTER); |
| 2314 | } |
| 2315 | |
| 2316 | // If the container is a ShadowRoot, RawRangeBoundary::After() returns an |
| 2317 | // unset point. However, we want to keep handling in the host. |
| 2318 | if (aPoint.GetTreeKind() == TreeKind::FlatForSelection) { |
| 2319 | if (ShadowRoot* const shadowRoot = ShadowRoot::FromNode(containerContent)) { |
| 2320 | Element* const host = shadowRoot->GetHost(); |
| 2321 | if (MOZ_UNLIKELY(!host)(__builtin_expect(!!(!host), 0))) { |
| 2322 | return Err(NS_ERROR_NULL_POINTER); |
| 2323 | } |
| 2324 | |
| 2325 | // Return the point after the host element. |
| 2326 | RawRangeBoundary afterHost = |
| 2327 | RawRangeBoundary::After(*host, aPoint.GetTreeKind()); |
| 2328 | if (MOZ_UNLIKELY(!afterHost.IsSet())(__builtin_expect(!!(!afterHost.IsSet()), 0))) { |
| 2329 | // The host element may not be a part of the flattened tree, i.e., its |
| 2330 | // parent node is another shadow host and not assigned to any <slot>. |
| 2331 | return Err(NS_ERROR_NULL_POINTER); |
| 2332 | } |
| 2333 | return std::move(afterHost); |
| 2334 | } |
| 2335 | } |
| 2336 | |
| 2337 | return RawRangeBoundary::After(*containerContent, aPoint.GetTreeKind()); |
| 2338 | } |
| 2339 | |
| 2340 | bool nsHTMLCopyEncoder::IsRoot(nsINode* aNode, TreeKind aKind) const { |
| 2341 | nsCOMPtr<nsIContent> content = nsIContent::FromNodeOrNull(aNode); |
| 2342 | if (!content) { |
| 2343 | return false; |
| 2344 | } |
| 2345 | |
| 2346 | if (mIsTextWidget) { |
| 2347 | return content->IsHTMLElement(nsGkAtoms::div); |
| 2348 | } |
| 2349 | |
| 2350 | if (aKind == TreeKind::FlatForSelection) { |
| 2351 | // If we're handling the flattened tree and aNode is a ShadowRoot, |
| 2352 | // GetParentPoint() for a point whose container is aNode will return the |
| 2353 | // point at the host. However, if the host is not a part of the flattened |
| 2354 | // tree, it will return an error instead. In this case, if we didn't reach |
| 2355 | // the ShadowRoot, we succeeded promoting the range. Therefore, we should |
| 2356 | // treat the ShadowRoot as a root. |
| 2357 | if (const ShadowRoot* const shadowRoot = ShadowRoot::FromNode(*content)) { |
| 2358 | if (MOZ_UNLIKELY(shadowRoot->IsUAWidget())(__builtin_expect(!!(shadowRoot->IsUAWidget()), 0))) { |
| 2359 | // Special case for the fallback content of <slot> in the non-content |
| 2360 | // shadow. E.g., the default summary of <details>. |
| 2361 | return true; |
| 2362 | } |
| 2363 | const Element* const host = shadowRoot->GetHost(); |
| 2364 | if (NS_WARN_IF(!host)NS_warn_if_impl(!host, "!host", "./../../../dom/serializers/nsDocumentEncoder.cpp" , 2364)) { |
| 2365 | return true; |
| 2366 | } |
| 2367 | const nsINode* const flattenedTreeParentNode = |
| 2368 | host->GetFlattenedTreeParentNodeForSelection(); |
| 2369 | if (MOZ_UNLIKELY(!flattenedTreeParentNode)(__builtin_expect(!!(!flattenedTreeParentNode), 0))) { |
| 2370 | return true; |
| 2371 | } |
| 2372 | } |
| 2373 | } |
| 2374 | |
| 2375 | // XXX(sefeng): This is some old code from 2006, so I can't |
| 2376 | // promise my comment is correct. However, I think these elements |
| 2377 | // are considered to be `Root` because if we keep going up |
| 2378 | // in nsHTMLCopyEncoder::GetPromoted(Start|End)Point, we would lose the |
| 2379 | // correct representation of the point, so we have to stop at |
| 2380 | // these nodes. |
| 2381 | |
| 2382 | // nsGkAtoms::slot is here because we'd lose the index |
| 2383 | // of the slotted element if we keep going up as |
| 2384 | // `nsHTMLCopyEncoder::GetNodeLocation` would promote the |
| 2385 | // offset to be index of the <slot> that is relative to |
| 2386 | // the <slot>'s parent. |
| 2387 | return content->IsAnyOfHTMLElements(nsGkAtoms::body, nsGkAtoms::td, |
| 2388 | nsGkAtoms::th, nsGkAtoms::slot); |
| 2389 | } |
| 2390 | |
| 2391 | bool nsHTMLCopyEncoder::ChildIsFirstNode(const RawRangeBoundary& aPoint) { |
| 2392 | MOZ_ASSERT(aPoint.GetChildAtOffset())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPoint.GetChildAtOffset())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPoint.GetChildAtOffset()))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPoint.GetChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2392); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aPoint.GetChildAtOffset()" ")"); do { MOZ_CrashSequence (__null, 2392); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2393 | |
| 2394 | // need to check if any nodes before us are really visible. |
| 2395 | // Mike wrote something for me along these lines in nsSelectionController, |
| 2396 | // but I don't think it's ready for use yet - revisit. |
| 2397 | // HACK: for now, simply consider all whitespace text nodes to be |
| 2398 | // invisible formatting nodes. |
| 2399 | |
| 2400 | const auto ChildIsSignificant = [](nsIContent& aContent) { |
| 2401 | return !aContent.TextIsOnlyWhitespace(); |
| 2402 | }; |
| 2403 | if (aPoint.GetTreeKind() == TreeKind::FlatForSelection) { |
| 2404 | FlattenedChildIteratorForSelection iter(aPoint.GetContainer()); |
| 2405 | if (!iter.Seek(aPoint.GetChildAtOffset())) { |
| 2406 | return false; |
| 2407 | } |
| 2408 | for (nsIContent* sibling = iter.GetPreviousChild(); sibling; |
| 2409 | sibling = iter.GetPreviousChild()) { |
| 2410 | if (ChildIsSignificant(*sibling)) { |
| 2411 | return false; |
| 2412 | } |
| 2413 | } |
| 2414 | return true; |
| 2415 | } |
| 2416 | |
| 2417 | ChildIterator iter(aPoint.GetContainer()); |
| 2418 | if (!iter.Seek(aPoint.GetChildAtOffset())) { |
| 2419 | return false; |
| 2420 | } |
| 2421 | for (nsIContent* sibling = iter.GetPreviousChild(); sibling; |
| 2422 | sibling = iter.GetPreviousChild()) { |
| 2423 | if (ChildIsSignificant(*sibling)) { |
| 2424 | return false; |
| 2425 | } |
| 2426 | } |
| 2427 | return true; |
| 2428 | } |
| 2429 | |
| 2430 | bool nsHTMLCopyEncoder::ChildIsLastNode(const RawRangeBoundary& aPoint) { |
| 2431 | MOZ_ASSERT(aPoint.IsSet())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPoint.IsSet())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPoint.IsSet()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPoint.IsSet()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2431); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aPoint.IsSet()" ")"); do { MOZ_CrashSequence (__null, 2431); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2432 | MOZ_ASSERT(!aPoint.GetContainer()->IsCharacterData())do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aPoint.GetContainer()->IsCharacterData())>::isValid , "invalid assertion condition"); if ((__builtin_expect(!!(!( !!(!aPoint.GetContainer()->IsCharacterData()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!aPoint.GetContainer()->IsCharacterData()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2432); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "!aPoint.GetContainer()->IsCharacterData()" ")"); do { MOZ_CrashSequence(__null, 2432); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 2433 | |
| 2434 | if (aPoint.IsEndOfContainer()) { |
| 2435 | return true; |
| 2436 | } |
| 2437 | |
| 2438 | MOZ_ASSERT(aPoint.GetChildAtOffset())do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPoint.GetChildAtOffset())>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPoint.GetChildAtOffset()))) , 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPoint.GetChildAtOffset()" , "./../../../dom/serializers/nsDocumentEncoder.cpp", 2438); AnnotateMozCrashReason ("MOZ_ASSERT" "(" "aPoint.GetChildAtOffset()" ")"); do { MOZ_CrashSequence (__null, 2438); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2439 | |
| 2440 | // need to check if any nodes after us are really visible. |
| 2441 | // Mike wrote something for me along these lines in nsSelectionController, |
| 2442 | // but I don't think it's ready for use yet - revisit. |
| 2443 | // HACK: for now, simply consider all whitespace text nodes to be |
| 2444 | // invisible formatting nodes. |
| 2445 | |
| 2446 | const auto ChildIsSignificant = [](nsIContent& aContent) { |
| 2447 | if (aContent.IsElement() && IsMozBR(aContent.AsElement())) { |
| 2448 | // we ignore trailing moz BRs. |
| 2449 | return false; |
| 2450 | } |
| 2451 | return !aContent.TextIsOnlyWhitespace(); |
| 2452 | }; |
| 2453 | if (aPoint.GetTreeKind() == TreeKind::FlatForSelection) { |
| 2454 | FlattenedChildIteratorForSelection iter(aPoint.GetContainer()); |
| 2455 | if (!iter.Seek(aPoint.GetChildAtOffset())) { |
| 2456 | return false; |
| 2457 | } |
| 2458 | for (nsIContent* sibling = iter.Get(); sibling; |
| 2459 | sibling = iter.GetNextChild()) { |
| 2460 | if (ChildIsSignificant(*sibling)) { |
| 2461 | return false; |
| 2462 | } |
| 2463 | } |
| 2464 | return true; |
| 2465 | } |
| 2466 | ChildIterator iter(aPoint.GetContainer()); |
| 2467 | if (!iter.Seek(aPoint.GetChildAtOffset())) { |
| 2468 | return false; |
| 2469 | } |
| 2470 | for (nsIContent* sibling = iter.Get(); sibling; |
| 2471 | sibling = iter.GetNextChild()) { |
| 2472 | if (ChildIsSignificant(*sibling)) { |
| 2473 | return false; |
| 2474 | } |
| 2475 | } |
| 2476 | return true; |
| 2477 | } |
| 2478 | |
| 2479 | already_AddRefed<nsIDocumentEncoder> do_createHTMLCopyEncoder() { |
| 2480 | return do_AddRef(new nsHTMLCopyEncoder); |
| 2481 | } |
| 2482 | |
| 2483 | int32_t nsHTMLCopyEncoder::RangeNodeContext::GetImmediateContextCount( |
| 2484 | const nsTArray<nsINode*>& aAncestorArray) const { |
| 2485 | int32_t i = aAncestorArray.Length(), j = 0; |
| 2486 | while (j < i) { |
| 2487 | nsINode* node = aAncestorArray.ElementAt(j); |
| 2488 | if (!node) { |
| 2489 | break; |
| 2490 | } |
| 2491 | nsCOMPtr<nsIContent> content(nsIContent::FromNodeOrNull(node)); |
| 2492 | if (!content || !content->IsAnyOfHTMLElements( |
| 2493 | nsGkAtoms::tr, nsGkAtoms::thead, nsGkAtoms::tbody, |
| 2494 | nsGkAtoms::tfoot, nsGkAtoms::table)) { |
| 2495 | break; |
| 2496 | } |
| 2497 | ++j; |
| 2498 | } |
| 2499 | return j; |
| 2500 | } |