| File: | root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp |
| Warning: | line 1524, column 3 Value stored to 'rv' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
| 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 6 | |
| 7 | /* |
| 8 | * Object that can be used to serialize selections, ranges, or nodes |
| 9 | * to strings in a gazillion different ways. |
| 10 | */ |
| 11 | |
| 12 | #include <utility> |
| 13 | |
| 14 | #include "nscore.h" |
| 15 | #include "nsISupports.h" |
| 16 | #include "nsCOMPtr.h" |
| 17 | #include "nsCRT.h" |
| 18 | #include "nsIContentSerializer.h" |
| 19 | #include "nsIDocumentEncoder.h" |
| 20 | #include "nsINode.h" |
| 21 | #include "nsIContentInlines.h" |
| 22 | #include "nsComponentManagerUtils.h" |
| 23 | #include "nsIOutputStream.h" |
| 24 | #include "nsRange.h" |
| 25 | #include "nsGkAtoms.h" |
| 26 | #include "nsHTMLDocument.h" |
| 27 | #include "nsIContent.h" |
| 28 | #include "nsIScriptContext.h" |
| 29 | #include "nsIScriptGlobalObject.h" |
| 30 | #include "nsITransferable.h" |
| 31 | #include "mozilla/dom/Selection.h" |
| 32 | #include "nsContentUtils.h" |
| 33 | #include "nsElementTable.h" |
| 34 | #include "nsMimeTypes.h" |
| 35 | #include "nsUnicharUtils.h" |
| 36 | #include "nsReadableUtils.h" |
| 37 | #include "nsTArray.h" |
| 38 | #include "nsIFrame.h" |
| 39 | #include "nsLayoutUtils.h" |
| 40 | #include "mozilla/StringBuffer.h" |
| 41 | #include "mozilla/dom/Comment.h" |
| 42 | #include "mozilla/dom/Document.h" |
| 43 | #include "mozilla/dom/DocumentType.h" |
| 44 | #include "mozilla/dom/Element.h" |
| 45 | #include "mozilla/dom/HTMLBRElement.h" |
| 46 | #include "mozilla/dom/ProcessingInstruction.h" |
| 47 | #include "mozilla/dom/ShadowRoot.h" |
| 48 | #include "mozilla/dom/AbstractRange.h" |
| 49 | #include "mozilla/dom/Text.h" |
| 50 | #include "mozilla/dom/AbstractRange.h" |
| 51 | #include "mozilla/Encoding.h" |
| 52 | #include "mozilla/IntegerRange.h" |
| 53 | #include "mozilla/Maybe.h" |
| 54 | #include "mozilla/ScopeExit.h" |
| 55 | #include "mozilla/UniquePtr.h" |
| 56 | |
| 57 | using namespace mozilla; |
| 58 | using namespace mozilla::dom; |
| 59 | |
| 60 | enum nsRangeIterationDirection { kDirectionOut = -1, kDirectionIn = 1 }; |
| 61 | |
| 62 | class TextStreamer { |
| 63 | public: |
| 64 | /** |
| 65 | * @param aStream Will be kept alive by the TextStreamer. |
| 66 | * @param aUnicodeEncoder Needs to be non-nullptr. |
| 67 | */ |
| 68 | TextStreamer(nsIOutputStream& aStream, UniquePtr<Encoder> aUnicodeEncoder, |
| 69 | bool aIsPlainText, nsAString& aOutputBuffer); |
| 70 | |
| 71 | /** |
| 72 | * String will be truncated if it is written to stream. |
| 73 | */ |
| 74 | nsresult FlushIfStringLongEnough(); |
| 75 | |
| 76 | /** |
| 77 | * String will be truncated. |
| 78 | */ |
| 79 | nsresult ForceFlush(); |
| 80 | |
| 81 | private: |
| 82 | const static uint32_t kMaxLengthBeforeFlush = 1024; |
| 83 | |
| 84 | const static uint32_t kEncoderBufferSizeInBytes = 4096; |
| 85 | |
| 86 | nsresult EncodeAndWrite(); |
| 87 | |
| 88 | nsresult EncodeAndWriteAndTruncate(); |
| 89 | |
| 90 | const nsCOMPtr<nsIOutputStream> mStream; |
| 91 | const UniquePtr<Encoder> mUnicodeEncoder; |
| 92 | const bool mIsPlainText; |
| 93 | nsAString& mOutputBuffer; |
| 94 | }; |
| 95 | |
| 96 | TextStreamer::TextStreamer(nsIOutputStream& aStream, |
| 97 | UniquePtr<Encoder> aUnicodeEncoder, |
| 98 | bool aIsPlainText, nsAString& aOutputBuffer) |
| 99 | : mStream{&aStream}, |
| 100 | mUnicodeEncoder(std::move(aUnicodeEncoder)), |
| 101 | mIsPlainText(aIsPlainText), |
| 102 | mOutputBuffer(aOutputBuffer) { |
| 103 | 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" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 103); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mUnicodeEncoder" ")"); do { MOZ_CrashSequence(__null, 103); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 104 | } |
| 105 | |
| 106 | nsresult TextStreamer::FlushIfStringLongEnough() { |
| 107 | nsresult rv = NS_OK; |
| 108 | |
| 109 | if (mOutputBuffer.Length() > kMaxLengthBeforeFlush) { |
| 110 | rv = EncodeAndWriteAndTruncate(); |
| 111 | } |
| 112 | |
| 113 | return rv; |
| 114 | } |
| 115 | |
| 116 | nsresult TextStreamer::ForceFlush() { return EncodeAndWriteAndTruncate(); } |
| 117 | |
| 118 | nsresult TextStreamer::EncodeAndWrite() { |
| 119 | if (mOutputBuffer.IsEmpty()) { |
| 120 | return NS_OK; |
| 121 | } |
| 122 | |
| 123 | uint8_t buffer[kEncoderBufferSizeInBytes]; |
| 124 | auto src = Span(mOutputBuffer); |
| 125 | auto bufferSpan = Span(buffer); |
| 126 | // Reserve space for terminator |
| 127 | auto dst = bufferSpan.To(bufferSpan.Length() - 1); |
| 128 | for (;;) { |
| 129 | uint32_t result; |
| 130 | size_t read; |
| 131 | size_t written; |
| 132 | if (mIsPlainText) { |
| 133 | std::tie(result, read, written) = |
| 134 | mUnicodeEncoder->EncodeFromUTF16WithoutReplacement(src, dst, false); |
| 135 | if (result != kInputEmpty && result != kOutputFull) { |
| 136 | // There's always room for one byte in the case of |
| 137 | // an unmappable character, because otherwise |
| 138 | // we'd have gotten `kOutputFull`. |
| 139 | dst[written++] = '?'; |
| 140 | } |
| 141 | } else { |
| 142 | std::tie(result, read, written, std::ignore) = |
| 143 | mUnicodeEncoder->EncodeFromUTF16(src, dst, false); |
| 144 | } |
| 145 | src = src.From(read); |
| 146 | // Sadly, we still have test cases that implement nsIOutputStream in JS, so |
| 147 | // the buffer needs to be zero-terminated for XPConnect to do its thing. |
| 148 | // See bug 170416. |
| 149 | bufferSpan[written] = 0; |
| 150 | uint32_t streamWritten; |
| 151 | nsresult rv = mStream->Write(reinterpret_cast<char*>(dst.Elements()), |
| 152 | written, &streamWritten); |
| 153 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 154 | return rv; |
| 155 | } |
| 156 | if (result == kInputEmpty) { |
| 157 | return NS_OK; |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | nsresult TextStreamer::EncodeAndWriteAndTruncate() { |
| 163 | const nsresult rv = EncodeAndWrite(); |
| 164 | mOutputBuffer.Truncate(); |
| 165 | return rv; |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * The scope may be limited to either a selection, range, or node. |
| 170 | */ |
| 171 | class EncodingScope { |
| 172 | public: |
| 173 | /** |
| 174 | * @return true, iff the scope is limited to a selection, range or node. |
| 175 | */ |
| 176 | bool IsLimited() const; |
| 177 | |
| 178 | RefPtr<Selection> mSelection; |
| 179 | RefPtr<nsRange> mRange; |
| 180 | nsCOMPtr<nsINode> mNode; |
| 181 | bool mNodeIsContainer = false; |
| 182 | }; |
| 183 | |
| 184 | bool EncodingScope::IsLimited() const { return mSelection || mRange || mNode; } |
| 185 | |
| 186 | struct RangeBoundariesInclusiveAncestorsAndOffsets { |
| 187 | /** |
| 188 | * https://dom.spec.whatwg.org/#concept-tree-inclusive-ancestor. |
| 189 | */ |
| 190 | using InclusiveAncestors = AutoTArray<nsIContent*, 8>; |
| 191 | |
| 192 | /** |
| 193 | * https://dom.spec.whatwg.org/#concept-tree-inclusive-ancestor. |
| 194 | */ |
| 195 | using InclusiveAncestorsOffsets = AutoTArray<Maybe<uint32_t>, 8>; |
| 196 | |
| 197 | // The first node is the range's boundary node, the following ones the |
| 198 | // ancestors. |
| 199 | InclusiveAncestors mInclusiveAncestorsOfStart; |
| 200 | // The first offset represents where at the boundary node the range starts. |
| 201 | // Each other offset is the index of the child relative to its parent. |
| 202 | InclusiveAncestorsOffsets mInclusiveAncestorsOffsetsOfStart; |
| 203 | |
| 204 | // The first node is the range's boundary node, the following one the |
| 205 | // ancestors. |
| 206 | InclusiveAncestors mInclusiveAncestorsOfEnd; |
| 207 | // The first offset represents where at the boundary node the range ends. |
| 208 | // Each other offset is the index of the child relative to its parent. |
| 209 | InclusiveAncestorsOffsets mInclusiveAncestorsOffsetsOfEnd; |
| 210 | }; |
| 211 | |
| 212 | struct ContextInfoDepth { |
| 213 | uint32_t mStart = 0; |
| 214 | uint32_t mEnd = 0; |
| 215 | }; |
| 216 | |
| 217 | class nsDocumentEncoder : public nsIDocumentEncoder { |
| 218 | protected: |
| 219 | class RangeNodeContext { |
| 220 | public: |
| 221 | virtual ~RangeNodeContext() = default; |
| 222 | |
| 223 | virtual bool IncludeInContext(nsINode& aNode) const { return false; } |
| 224 | |
| 225 | virtual int32_t GetImmediateContextCount( |
| 226 | const nsTArray<nsINode*>& aAncestorArray) const { |
| 227 | return -1; |
| 228 | } |
| 229 | }; |
| 230 | |
| 231 | public: |
| 232 | nsDocumentEncoder(); |
| 233 | |
| 234 | protected: |
| 235 | /** |
| 236 | * @param aRangeNodeContext has to be non-null. |
| 237 | */ |
| 238 | explicit nsDocumentEncoder(UniquePtr<RangeNodeContext> aRangeNodeContext); |
| 239 | |
| 240 | public: |
| 241 | 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: |
| 242 | 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)); } template < typename T> friend nsISupports* ToSupports(T* p, cycleCollection * dummy); virtual void Unlink(void* p) override; static constexpr nsXPCOMCycleCollectionParticipant* GetParticipant() { return &nsDocumentEncoder::_cycleCollectorGlobal; } }; virtual void CheckForRightParticipant() { 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" ")", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 242); AnnotateMozCrashReason("MOZ_ASSERT" "(" "p == &_cycleCollectorGlobal" ") (" "nsDocumentEncoder" " should QI to its own CC participant" ")"); do { MOZ_CrashSequence(__null, 242); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); } static cycleCollection _cycleCollectorGlobal; virtual void BaseCycleCollectable() final {} |
| 243 | NS_DECL_NSIDOCUMENTENCODERvirtual nsresult Init(mozilla::dom::Document *aDocument, const nsAString& aMimeType, uint32_t aFlags) override; virtual nsresult NativeInit(mozilla::dom::Document *aDocument, const nsAString& aMimeType, uint32_t aFlags) override; virtual nsresult SetSelection(mozilla::dom::Selection *aSelection) override ; virtual nsresult SetRange(nsRange *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 ; |
| 244 | |
| 245 | protected: |
| 246 | virtual ~nsDocumentEncoder(); |
| 247 | |
| 248 | void Initialize(bool aClearCachedSerializer = true, |
| 249 | AllowRangeCrossShadowBoundary aAllowCrossShadowBoundary = |
| 250 | AllowRangeCrossShadowBoundary::No); |
| 251 | |
| 252 | /** |
| 253 | * @param aMaxLength As described at |
| 254 | * `nsIDocumentEncodder.encodeToStringWithMaxLength`. |
| 255 | */ |
| 256 | nsresult SerializeDependingOnScope(uint32_t aMaxLength); |
| 257 | |
| 258 | nsresult SerializeSelection(); |
| 259 | |
| 260 | nsresult SerializeNode(); |
| 261 | |
| 262 | /** |
| 263 | * @param aMaxLength As described at |
| 264 | * `nsIDocumentEncodder.encodeToStringWithMaxLength`. |
| 265 | */ |
| 266 | nsresult SerializeWholeDocument(uint32_t aMaxLength); |
| 267 | |
| 268 | /** |
| 269 | * @param aFlags multiple of the flags defined in nsIDocumentEncoder.idl.o |
| 270 | */ |
| 271 | static bool IsInvisibleNodeAndShouldBeSkipped(const nsINode& aNode, |
| 272 | const uint32_t aFlags) { |
| 273 | if (aFlags & SkipInvisibleContent) { |
| 274 | // Treat the visibility of the ShadowRoot as if it were |
| 275 | // the host content. |
| 276 | // |
| 277 | // FIXME(emilio): I suspect instead of this a bunch of the GetParent() |
| 278 | // calls here should be doing GetFlattenedTreeParent, then this condition |
| 279 | // should be unreachable... |
| 280 | const nsINode* node{&aNode}; |
| 281 | if (const ShadowRoot* shadowRoot = ShadowRoot::FromNode(node)) { |
| 282 | node = shadowRoot->GetHost(); |
| 283 | } |
| 284 | |
| 285 | if (node->IsContent()) { |
| 286 | nsIFrame* frame = node->AsContent()->GetPrimaryFrame(); |
| 287 | if (!frame) { |
| 288 | if (node->IsElement() && node->AsElement()->IsDisplayContents()) { |
| 289 | return false; |
| 290 | } |
| 291 | if (node->IsText()) { |
| 292 | // We have already checked that our parent is visible. |
| 293 | // |
| 294 | // FIXME(emilio): Text not assigned to a <slot> in Shadow DOM should |
| 295 | // probably return false... |
| 296 | return false; |
| 297 | } |
| 298 | if (node->IsHTMLElement(nsGkAtoms::rp)) { |
| 299 | // Ruby parentheses are part of ruby structure, hence |
| 300 | // shouldn't be stripped out even if it is not displayed. |
| 301 | return false; |
| 302 | } |
| 303 | return true; |
| 304 | } |
| 305 | if (node->IsText() && |
| 306 | (!frame->StyleVisibility()->IsVisible() || |
| 307 | frame->IsHiddenByContentVisibilityOnAnyAncestor())) { |
| 308 | return true; |
| 309 | } |
| 310 | } |
| 311 | } |
| 312 | return false; |
| 313 | } |
| 314 | |
| 315 | void ReleaseDocumentReferenceAndInitialize(bool aClearCachedSerializer); |
| 316 | |
| 317 | class MOZ_STACK_CLASS AutoReleaseDocumentIfNeeded final { |
| 318 | public: |
| 319 | explicit AutoReleaseDocumentIfNeeded(nsDocumentEncoder* aEncoder) |
| 320 | : mEncoder(aEncoder) {} |
| 321 | |
| 322 | ~AutoReleaseDocumentIfNeeded() { |
| 323 | if (mEncoder->mFlags & RequiresReinitAfterOutput) { |
| 324 | const bool clearCachedSerializer = false; |
| 325 | mEncoder->ReleaseDocumentReferenceAndInitialize(clearCachedSerializer); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | private: |
| 330 | nsDocumentEncoder* mEncoder; |
| 331 | }; |
| 332 | |
| 333 | nsCOMPtr<Document> mDocument; |
| 334 | EncodingScope mEncodingScope; |
| 335 | nsCOMPtr<nsIContentSerializer> mSerializer; |
| 336 | |
| 337 | Maybe<TextStreamer> mTextStreamer; |
| 338 | nsCOMPtr<nsIDocumentEncoderNodeFixup> mNodeFixup; |
| 339 | |
| 340 | nsString mMimeType; |
| 341 | const Encoding* mEncoding; |
| 342 | // Multiple of the flags defined in nsIDocumentEncoder.idl. |
| 343 | uint32_t mFlags; |
| 344 | uint32_t mWrapColumn; |
| 345 | // Whether the serializer cares about being notified to scan elements to |
| 346 | // keep track of whether they are preformatted. This stores the out |
| 347 | // argument of nsIContentSerializer::Init(). |
| 348 | bool mNeedsPreformatScanning; |
| 349 | bool mIsCopying; // Set to true only while copying |
| 350 | RefPtr<StringBuffer> mCachedBuffer; |
| 351 | |
| 352 | class NodeSerializer { |
| 353 | public: |
| 354 | /** |
| 355 | * @param aFlags multiple of the flags defined in nsIDocumentEncoder.idl. |
| 356 | */ |
| 357 | NodeSerializer(const bool& aNeedsPreformatScanning, |
| 358 | const nsCOMPtr<nsIContentSerializer>& aSerializer, |
| 359 | const uint32_t& aFlags, |
| 360 | const nsCOMPtr<nsIDocumentEncoderNodeFixup>& aNodeFixup, |
| 361 | Maybe<TextStreamer>& aTextStreamer) |
| 362 | : mNeedsPreformatScanning{aNeedsPreformatScanning}, |
| 363 | mSerializer{aSerializer}, |
| 364 | mFlags{aFlags}, |
| 365 | mNodeFixup{aNodeFixup}, |
| 366 | mTextStreamer{aTextStreamer} {} |
| 367 | |
| 368 | nsresult SerializeNodeStart(nsINode& aOriginalNode, int32_t aStartOffset, |
| 369 | int32_t aEndOffset, |
| 370 | nsINode* aFixupNode = nullptr) const; |
| 371 | |
| 372 | enum class SerializeRoot { eYes, eNo }; |
| 373 | |
| 374 | nsresult SerializeToStringRecursive(nsINode* aNode, |
| 375 | SerializeRoot aSerializeRoot, |
| 376 | uint32_t aMaxLength = 0) const; |
| 377 | |
| 378 | nsresult SerializeNodeEnd(nsINode& aOriginalNode, |
| 379 | nsINode* aFixupNode = nullptr) const; |
| 380 | |
| 381 | [[nodiscard]] nsresult SerializeTextNode(nsINode& aNode, |
| 382 | int32_t aStartOffset, |
| 383 | int32_t aEndOffset) const; |
| 384 | |
| 385 | nsresult SerializeToStringIterative(nsINode* aNode) const; |
| 386 | |
| 387 | private: |
| 388 | const bool& mNeedsPreformatScanning; |
| 389 | const nsCOMPtr<nsIContentSerializer>& mSerializer; |
| 390 | // Multiple of the flags defined in nsIDocumentEncoder.idl. |
| 391 | const uint32_t& mFlags; |
| 392 | const nsCOMPtr<nsIDocumentEncoderNodeFixup>& mNodeFixup; |
| 393 | Maybe<TextStreamer>& mTextStreamer; |
| 394 | }; |
| 395 | |
| 396 | NodeSerializer mNodeSerializer; |
| 397 | |
| 398 | const UniquePtr<RangeNodeContext> mRangeNodeContext; |
| 399 | |
| 400 | struct RangeContextSerializer final { |
| 401 | RangeContextSerializer(const RangeNodeContext& aRangeNodeContext, |
| 402 | const NodeSerializer& aNodeSerializer) |
| 403 | : mDisableContextSerialize{false}, |
| 404 | mRangeNodeContext{aRangeNodeContext}, |
| 405 | mNodeSerializer{aNodeSerializer} {} |
| 406 | |
| 407 | nsresult SerializeRangeContextStart( |
| 408 | const nsTArray<nsINode*>& aAncestorArray); |
| 409 | nsresult SerializeRangeContextEnd(); |
| 410 | |
| 411 | // Used when context has already been serialized for |
| 412 | // table cell selections (where parent is <tr>) |
| 413 | bool mDisableContextSerialize; |
| 414 | AutoTArray<AutoTArray<nsINode*, 8>, 8> mRangeContexts; |
| 415 | |
| 416 | const RangeNodeContext& mRangeNodeContext; |
| 417 | |
| 418 | private: |
| 419 | const NodeSerializer& mNodeSerializer; |
| 420 | }; |
| 421 | |
| 422 | RangeContextSerializer mRangeContextSerializer; |
| 423 | |
| 424 | struct RangeSerializer { |
| 425 | // @param aFlags multiple of the flags defined in nsIDocumentEncoder.idl. |
| 426 | RangeSerializer(const uint32_t& aFlags, |
| 427 | const NodeSerializer& aNodeSerializer, |
| 428 | RangeContextSerializer& aRangeContextSerializer) |
| 429 | : mStartRootIndex{0}, |
| 430 | mEndRootIndex{0}, |
| 431 | mHaltRangeHint{false}, |
| 432 | mFlags{aFlags}, |
| 433 | mNodeSerializer{aNodeSerializer}, |
| 434 | mRangeContextSerializer{aRangeContextSerializer} {} |
| 435 | |
| 436 | void Initialize(AllowRangeCrossShadowBoundary aAllowCrossShadowBoundary); |
| 437 | |
| 438 | /** |
| 439 | * @param aDepth the distance (number of `GetParent` calls) from aNode to |
| 440 | * aRange's closest common inclusive ancestor. |
| 441 | */ |
| 442 | nsresult SerializeRangeNodes(const nsRange* aRange, nsINode* aNode, |
| 443 | int32_t aDepth); |
| 444 | |
| 445 | /** |
| 446 | * Serialize aContent's children from aStartOffset to aEndOffset. |
| 447 | * |
| 448 | * @param aDepth the distance (number of `GetParent` calls) from aContent to |
| 449 | * aRange's closest common inclusive ancestor. |
| 450 | */ |
| 451 | [[nodiscard]] nsresult SerializeChildrenOfContent(nsIContent& aContent, |
| 452 | uint32_t aStartOffset, |
| 453 | uint32_t aEndOffset, |
| 454 | const nsRange* aRange, |
| 455 | int32_t aDepth); |
| 456 | |
| 457 | nsresult SerializeRangeToString(const nsRange* aRange); |
| 458 | |
| 459 | /** |
| 460 | * https://dom.spec.whatwg.org/#concept-tree-inclusive-ancestor. |
| 461 | */ |
| 462 | nsCOMPtr<nsINode> mClosestCommonInclusiveAncestorOfRange; |
| 463 | |
| 464 | /** |
| 465 | * https://dom.spec.whatwg.org/#concept-tree-inclusive-ancestor. |
| 466 | */ |
| 467 | AutoTArray<nsINode*, 8> mCommonInclusiveAncestors; |
| 468 | |
| 469 | ContextInfoDepth mContextInfoDepth; |
| 470 | |
| 471 | private: |
| 472 | struct StartAndEndContent { |
| 473 | nsCOMPtr<nsIContent> mStart; |
| 474 | nsCOMPtr<nsIContent> mEnd; |
| 475 | }; |
| 476 | |
| 477 | StartAndEndContent GetStartAndEndContentForRecursionLevel( |
| 478 | int32_t aDepth) const; |
| 479 | |
| 480 | bool HasInvisibleParentAndShouldBeSkipped(nsINode& aNode) const; |
| 481 | |
| 482 | nsresult SerializeNodePartiallyContainedInRange( |
| 483 | nsINode& aNode, nsIContent& aContent, |
| 484 | const StartAndEndContent& aStartAndEndContent, const nsRange& aRange, |
| 485 | int32_t aDepth); |
| 486 | |
| 487 | nsresult SerializeTextNode(nsINode& aNode, const nsIContent& aContent, |
| 488 | const StartAndEndContent& aStartAndEndContent, |
| 489 | const nsRange& 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" ")", "/root/firefox-clang/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" ")", "/root/firefox-clang/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" ")", "/root/firefox-clang/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", "/root/firefox-clang/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))", "/root/firefox-clang/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" , "/root/firefox-clang/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 (nsRange* 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, "/root/firefox-clang/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" , "/root/firefox-clang/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 nsRange> 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 , "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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, "/root/firefox-clang/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 | return NativeInit(aDocument, aMimeType, aFlags); |
| 731 | } |
| 732 | |
| 733 | NS_IMETHODIMPnsresult |
| 734 | nsDocumentEncoder::NativeInit(Document* aDocument, const nsAString& aMimeType, |
| 735 | uint32_t aFlags) { |
| 736 | if (!aDocument) return NS_ERROR_INVALID_ARG; |
| 737 | |
| 738 | Initialize(!mMimeType.Equals(aMimeType), |
| 739 | GetAllowRangeCrossShadowBoundary(aFlags)); |
| 740 | |
| 741 | mDocument = aDocument; |
| 742 | |
| 743 | mMimeType = aMimeType; |
| 744 | |
| 745 | mFlags = aFlags; |
| 746 | mIsCopying = false; |
| 747 | |
| 748 | return NS_OK; |
| 749 | } |
| 750 | |
| 751 | NS_IMETHODIMPnsresult |
| 752 | nsDocumentEncoder::SetWrapColumn(uint32_t aWC) { |
| 753 | mWrapColumn = aWC; |
| 754 | return NS_OK; |
| 755 | } |
| 756 | |
| 757 | NS_IMETHODIMPnsresult |
| 758 | nsDocumentEncoder::SetSelection(Selection* aSelection) { |
| 759 | mEncodingScope.mSelection = aSelection; |
| 760 | return NS_OK; |
| 761 | } |
| 762 | |
| 763 | NS_IMETHODIMPnsresult |
| 764 | nsDocumentEncoder::SetRange(nsRange* aRange) { |
| 765 | mEncodingScope.mRange = aRange; |
| 766 | return NS_OK; |
| 767 | } |
| 768 | |
| 769 | NS_IMETHODIMPnsresult |
| 770 | nsDocumentEncoder::SetNode(nsINode* aNode) { |
| 771 | mEncodingScope.mNodeIsContainer = false; |
| 772 | mEncodingScope.mNode = aNode; |
| 773 | return NS_OK; |
| 774 | } |
| 775 | |
| 776 | NS_IMETHODIMPnsresult |
| 777 | nsDocumentEncoder::SetContainerNode(nsINode* aContainer) { |
| 778 | mEncodingScope.mNodeIsContainer = true; |
| 779 | mEncodingScope.mNode = aContainer; |
| 780 | return NS_OK; |
| 781 | } |
| 782 | |
| 783 | NS_IMETHODIMPnsresult |
| 784 | nsDocumentEncoder::SetCharset(const nsACString& aCharset) { |
| 785 | const Encoding* encoding = Encoding::ForLabel(aCharset); |
| 786 | if (!encoding) { |
| 787 | return NS_ERROR_UCONV_NOCONV; |
| 788 | } |
| 789 | mEncoding = encoding->OutputEncoding(); |
| 790 | return NS_OK; |
| 791 | } |
| 792 | |
| 793 | NS_IMETHODIMPnsresult |
| 794 | nsDocumentEncoder::GetMimeType(nsAString& aMimeType) { |
| 795 | aMimeType = mMimeType; |
| 796 | return NS_OK; |
| 797 | } |
| 798 | |
| 799 | class FixupNodeDeterminer { |
| 800 | public: |
| 801 | FixupNodeDeterminer(nsIDocumentEncoderNodeFixup* aNodeFixup, |
| 802 | nsINode* aFixupNode, nsINode& aOriginalNode) |
| 803 | : mIsSerializationOfFixupChildrenNeeded{false}, |
| 804 | mNodeFixup(aNodeFixup), |
| 805 | mOriginalNode(aOriginalNode) { |
| 806 | if (mNodeFixup) { |
| 807 | if (aFixupNode) { |
| 808 | mFixupNode = aFixupNode; |
| 809 | } else { |
| 810 | mNodeFixup->FixupNode(&mOriginalNode, |
| 811 | &mIsSerializationOfFixupChildrenNeeded, |
| 812 | getter_AddRefs(mFixupNode)); |
| 813 | } |
| 814 | } |
| 815 | } |
| 816 | |
| 817 | bool IsSerializationOfFixupChildrenNeeded() const { |
| 818 | return mIsSerializationOfFixupChildrenNeeded; |
| 819 | } |
| 820 | |
| 821 | /** |
| 822 | * @return The fixup node, if available, otherwise the original node. The |
| 823 | * former is kept alive by this object. |
| 824 | */ |
| 825 | nsINode& GetFixupNodeFallBackToOriginalNode() const { |
| 826 | return mFixupNode ? *mFixupNode : mOriginalNode; |
| 827 | } |
| 828 | |
| 829 | private: |
| 830 | bool mIsSerializationOfFixupChildrenNeeded; |
| 831 | nsIDocumentEncoderNodeFixup* mNodeFixup; |
| 832 | nsCOMPtr<nsINode> mFixupNode; |
| 833 | nsINode& mOriginalNode; |
| 834 | }; |
| 835 | |
| 836 | nsresult nsDocumentEncoder::NodeSerializer::SerializeNodeStart( |
| 837 | nsINode& aOriginalNode, int32_t aStartOffset, int32_t aEndOffset, |
| 838 | nsINode* aFixupNode) const { |
| 839 | if (mNeedsPreformatScanning) { |
| 840 | if (aOriginalNode.IsElement()) { |
| 841 | mSerializer->ScanElementForPreformat(aOriginalNode.AsElement()); |
| 842 | } else if (aOriginalNode.IsText()) { |
| 843 | const nsCOMPtr<nsINode> parent = aOriginalNode.GetParent(); |
| 844 | if (parent && parent->IsElement()) { |
| 845 | mSerializer->ScanElementForPreformat(parent->AsElement()); |
| 846 | } |
| 847 | } |
| 848 | } |
| 849 | |
| 850 | if (IsInvisibleNodeAndShouldBeSkipped(aOriginalNode, mFlags)) { |
| 851 | return NS_OK; |
| 852 | } |
| 853 | |
| 854 | FixupNodeDeterminer fixupNodeDeterminer{mNodeFixup, aFixupNode, |
| 855 | aOriginalNode}; |
| 856 | nsINode* node = &fixupNodeDeterminer.GetFixupNodeFallBackToOriginalNode(); |
| 857 | |
| 858 | nsresult rv = NS_OK; |
| 859 | |
| 860 | if (node->IsElement()) { |
| 861 | if ((mFlags & (nsIDocumentEncoder::OutputPreformatted | |
| 862 | nsIDocumentEncoder::OutputDropInvisibleBreak)) && |
| 863 | nsLayoutUtils::IsInvisibleBreak(node)) { |
| 864 | return rv; |
| 865 | } |
| 866 | rv = mSerializer->AppendElementStart(node->AsElement(), |
| 867 | aOriginalNode.AsElement()); |
| 868 | return rv; |
| 869 | } |
| 870 | |
| 871 | switch (node->NodeType()) { |
| 872 | case nsINode::TEXT_NODE: { |
| 873 | rv = mSerializer->AppendText(static_cast<nsIContent*>(node), aStartOffset, |
| 874 | aEndOffset); |
| 875 | break; |
| 876 | } |
| 877 | case nsINode::CDATA_SECTION_NODE: { |
| 878 | rv = mSerializer->AppendCDATASection(static_cast<nsIContent*>(node), |
| 879 | aStartOffset, aEndOffset); |
| 880 | break; |
| 881 | } |
| 882 | case nsINode::PROCESSING_INSTRUCTION_NODE: { |
| 883 | rv = mSerializer->AppendProcessingInstruction( |
| 884 | static_cast<ProcessingInstruction*>(node), aStartOffset, aEndOffset); |
| 885 | break; |
| 886 | } |
| 887 | case nsINode::COMMENT_NODE: { |
| 888 | rv = mSerializer->AppendComment(static_cast<Comment*>(node), aStartOffset, |
| 889 | aEndOffset); |
| 890 | break; |
| 891 | } |
| 892 | case nsINode::DOCUMENT_TYPE_NODE: { |
| 893 | rv = mSerializer->AppendDoctype(static_cast<DocumentType*>(node)); |
| 894 | break; |
| 895 | } |
| 896 | } |
| 897 | |
| 898 | return rv; |
| 899 | } |
| 900 | |
| 901 | nsresult nsDocumentEncoder::NodeSerializer::SerializeNodeEnd( |
| 902 | nsINode& aOriginalNode, nsINode* aFixupNode) const { |
| 903 | if (mNeedsPreformatScanning) { |
| 904 | if (aOriginalNode.IsElement()) { |
| 905 | mSerializer->ForgetElementForPreformat(aOriginalNode.AsElement()); |
| 906 | } else if (aOriginalNode.IsText()) { |
| 907 | const nsCOMPtr<nsINode> parent = aOriginalNode.GetParent(); |
| 908 | if (parent && parent->IsElement()) { |
| 909 | mSerializer->ForgetElementForPreformat(parent->AsElement()); |
| 910 | } |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | if (IsInvisibleNodeAndShouldBeSkipped(aOriginalNode, mFlags)) { |
| 915 | return NS_OK; |
| 916 | } |
| 917 | |
| 918 | nsresult rv = NS_OK; |
| 919 | |
| 920 | FixupNodeDeterminer fixupNodeDeterminer{mNodeFixup, aFixupNode, |
| 921 | aOriginalNode}; |
| 922 | nsINode* node = &fixupNodeDeterminer.GetFixupNodeFallBackToOriginalNode(); |
| 923 | |
| 924 | if (node->IsElement()) { |
| 925 | rv = mSerializer->AppendElementEnd(node->AsElement(), |
| 926 | aOriginalNode.AsElement()); |
| 927 | } |
| 928 | |
| 929 | return rv; |
| 930 | } |
| 931 | |
| 932 | nsresult nsDocumentEncoder::NodeSerializer::SerializeToStringRecursive( |
| 933 | nsINode* aNode, SerializeRoot aSerializeRoot, uint32_t aMaxLength) const { |
| 934 | uint32_t outputLength{0}; |
| 935 | nsresult rv = mSerializer->GetOutputLength(outputLength); |
| 936 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 936); return rv; } } while (false); |
| 937 | |
| 938 | if (aMaxLength > 0 && outputLength >= aMaxLength) { |
| 939 | return NS_OK; |
| 940 | } |
| 941 | |
| 942 | 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 , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 942); return NS_ERROR_NULL_POINTER; } } while (false); |
| 943 | |
| 944 | if (IsInvisibleNodeAndShouldBeSkipped(*aNode, mFlags)) { |
| 945 | return NS_OK; |
| 946 | } |
| 947 | |
| 948 | FixupNodeDeterminer fixupNodeDeterminer{mNodeFixup, nullptr, *aNode}; |
| 949 | nsINode* maybeFixedNode = |
| 950 | &fixupNodeDeterminer.GetFixupNodeFallBackToOriginalNode(); |
| 951 | |
| 952 | if (mFlags & SkipInvisibleContent) { |
| 953 | if (aNode->IsContent()) { |
| 954 | if (nsIFrame* frame = aNode->AsContent()->GetPrimaryFrame()) { |
| 955 | if (!frame->IsSelectable(nullptr)) { |
| 956 | aSerializeRoot = SerializeRoot::eNo; |
| 957 | } |
| 958 | } |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | if (aSerializeRoot == SerializeRoot::eYes) { |
| 963 | int32_t endOffset = -1; |
| 964 | if (aMaxLength > 0) { |
| 965 | 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", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 965); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aMaxLength >= outputLength" ")"); do { MOZ_CrashSequence(__null, 965); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 966 | endOffset = aMaxLength - outputLength; |
| 967 | } |
| 968 | rv = SerializeNodeStart(*aNode, 0, endOffset, maybeFixedNode); |
| 969 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 969); return rv; } } while (false); |
| 970 | } |
| 971 | |
| 972 | ShadowRoot* shadowRoot = ShadowDOMSelectionHelpers::GetShadowRoot( |
| 973 | aNode, GetAllowRangeCrossShadowBoundary(mFlags)); |
| 974 | |
| 975 | if (shadowRoot) { |
| 976 | MOZ_ASSERT(StaticPrefs::dom_shadowdom_selection_across_boundary_enabled())do { static_assert( mozilla::detail::AssertionConditionType< decltype(StaticPrefs::dom_shadowdom_selection_across_boundary_enabled ())>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(StaticPrefs::dom_shadowdom_selection_across_boundary_enabled ()))), 0))) { do { } while (false); MOZ_ReportAssertionFailure ("StaticPrefs::dom_shadowdom_selection_across_boundary_enabled()" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 976); AnnotateMozCrashReason("MOZ_ASSERT" "(" "StaticPrefs::dom_shadowdom_selection_across_boundary_enabled()" ")"); do { MOZ_CrashSequence(__null, 976); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 977 | // Serialize the ShadowRoot first when the entire node needs to be |
| 978 | // serialized. |
| 979 | SerializeToStringRecursive(shadowRoot, aSerializeRoot, aMaxLength); |
| 980 | } |
| 981 | |
| 982 | nsINode* node = fixupNodeDeterminer.IsSerializationOfFixupChildrenNeeded() |
| 983 | ? maybeFixedNode |
| 984 | : aNode; |
| 985 | |
| 986 | for (nsINode* child = node->GetFirstChildOfTemplateOrNode(); child; |
| 987 | child = child->GetNextSibling()) { |
| 988 | if (shadowRoot && |
| 989 | (!child->IsContent() || !child->AsContent()->GetAssignedSlot())) { |
| 990 | // Since this node is a shadow host, we skip the children that are not |
| 991 | // slotted because they aren't visible. |
| 992 | continue; |
| 993 | } |
| 994 | rv = SerializeToStringRecursive(child, SerializeRoot::eYes, aMaxLength); |
| 995 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 995); return rv; } } while (false); |
| 996 | } |
| 997 | |
| 998 | if (aSerializeRoot == SerializeRoot::eYes) { |
| 999 | rv = SerializeNodeEnd(*aNode, maybeFixedNode); |
| 1000 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1000); return rv; } } while (false); |
| 1001 | } |
| 1002 | |
| 1003 | if (mTextStreamer) { |
| 1004 | rv = mTextStreamer->FlushIfStringLongEnough(); |
| 1005 | } |
| 1006 | |
| 1007 | return rv; |
| 1008 | } |
| 1009 | |
| 1010 | nsresult nsDocumentEncoder::NodeSerializer::SerializeToStringIterative( |
| 1011 | nsINode* aNode) const { |
| 1012 | nsresult rv; |
| 1013 | |
| 1014 | nsINode* node = aNode->GetFirstChildOfTemplateOrNode(); |
| 1015 | while (node) { |
| 1016 | nsINode* current = node; |
| 1017 | rv = SerializeNodeStart(*current, 0, -1, current); |
| 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1018); return rv; } } while (false); |
| 1019 | node = current->GetFirstChildOfTemplateOrNode(); |
| 1020 | while (!node && current && current != aNode) { |
| 1021 | rv = SerializeNodeEnd(*current); |
| 1022 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1022); return rv; } } while (false); |
| 1023 | // Check if we have siblings. |
| 1024 | node = current->GetNextSibling(); |
| 1025 | if (!node) { |
| 1026 | // Perhaps parent node has siblings. |
| 1027 | current = current->GetParentNode(); |
| 1028 | |
| 1029 | // Handle template element. If the parent is a template's content, |
| 1030 | // then adjust the parent to be the template element. |
| 1031 | if (current && current != aNode && current->IsDocumentFragment()) { |
| 1032 | nsIContent* host = current->AsDocumentFragment()->GetHost(); |
| 1033 | if (host && host->IsHTMLElement(nsGkAtoms::_template)) { |
| 1034 | current = host; |
| 1035 | } |
| 1036 | } |
| 1037 | } |
| 1038 | } |
| 1039 | } |
| 1040 | |
| 1041 | return NS_OK; |
| 1042 | } |
| 1043 | |
| 1044 | static bool IsTextNode(nsINode* aNode) { return aNode && aNode->IsText(); } |
| 1045 | |
| 1046 | nsresult nsDocumentEncoder::NodeSerializer::SerializeTextNode( |
| 1047 | nsINode& aNode, int32_t aStartOffset, int32_t aEndOffset) const { |
| 1048 | 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)" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1048); AnnotateMozCrashReason("MOZ_ASSERT" "(" "IsTextNode(&aNode)" ")"); do { MOZ_CrashSequence(__null, 1048); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1049 | |
| 1050 | nsresult rv = SerializeNodeStart(aNode, aStartOffset, aEndOffset); |
| 1051 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1051); return rv; } } while (false); |
| 1052 | rv = SerializeNodeEnd(aNode); |
| 1053 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1053); return rv; } } while (false); |
| 1054 | return rv; |
| 1055 | } |
| 1056 | |
| 1057 | nsDocumentEncoder::RangeSerializer::StartAndEndContent |
| 1058 | nsDocumentEncoder::RangeSerializer::GetStartAndEndContentForRecursionLevel( |
| 1059 | const int32_t aDepth) const { |
| 1060 | StartAndEndContent result; |
| 1061 | |
| 1062 | const auto& inclusiveAncestorsOfStart = |
| 1063 | mRangeBoundariesInclusiveAncestorsAndOffsets.mInclusiveAncestorsOfStart; |
| 1064 | const auto& inclusiveAncestorsOfEnd = |
| 1065 | mRangeBoundariesInclusiveAncestorsAndOffsets.mInclusiveAncestorsOfEnd; |
| 1066 | int32_t start = mStartRootIndex - aDepth; |
| 1067 | if (start >= 0 && (uint32_t)start <= inclusiveAncestorsOfStart.Length()) { |
| 1068 | result.mStart = inclusiveAncestorsOfStart[start]; |
| 1069 | } |
| 1070 | |
| 1071 | int32_t end = mEndRootIndex - aDepth; |
| 1072 | if (end >= 0 && (uint32_t)end <= inclusiveAncestorsOfEnd.Length()) { |
| 1073 | result.mEnd = inclusiveAncestorsOfEnd[end]; |
| 1074 | } |
| 1075 | |
| 1076 | return result; |
| 1077 | } |
| 1078 | |
| 1079 | nsresult nsDocumentEncoder::RangeSerializer::SerializeTextNode( |
| 1080 | nsINode& aNode, const nsIContent& aContent, |
| 1081 | const StartAndEndContent& aStartAndEndContent, |
| 1082 | const nsRange& aRange) const { |
| 1083 | const int32_t startOffset = (aStartAndEndContent.mStart == &aContent) |
| 1084 | ? ShadowDOMSelectionHelpers::StartOffset( |
| 1085 | &aRange, mAllowCrossShadowBoundary) |
| 1086 | : 0; |
| 1087 | const int32_t endOffset = (aStartAndEndContent.mEnd == &aContent) |
| 1088 | ? ShadowDOMSelectionHelpers::EndOffset( |
| 1089 | &aRange, mAllowCrossShadowBoundary) |
| 1090 | : -1; |
| 1091 | return mNodeSerializer.SerializeTextNode(aNode, startOffset, endOffset); |
| 1092 | } |
| 1093 | |
| 1094 | nsresult nsDocumentEncoder::RangeSerializer::SerializeRangeNodes( |
| 1095 | const nsRange* const aRange, nsINode* const aNode, const int32_t aDepth) { |
| 1096 | 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" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1096); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aDepth >= 0" ")"); do { MOZ_CrashSequence(__null, 1096); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1097 | 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", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1097); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aRange" ")" ); do { MOZ_CrashSequence(__null, 1097); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1098 | |
| 1099 | nsCOMPtr<nsIContent> content = nsIContent::FromNodeOrNull(aNode); |
| 1100 | NS_ENSURE_TRUE(content, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(content)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "content" ") failed", nullptr , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1100); return NS_ERROR_FAILURE; } } while (false); |
| 1101 | |
| 1102 | if (nsDocumentEncoder::IsInvisibleNodeAndShouldBeSkipped(*aNode, mFlags)) { |
| 1103 | return NS_OK; |
| 1104 | } |
| 1105 | |
| 1106 | nsresult rv = NS_OK; |
| 1107 | |
| 1108 | StartAndEndContent startAndEndContent = |
| 1109 | GetStartAndEndContentForRecursionLevel(aDepth); |
| 1110 | |
| 1111 | if (startAndEndContent.mStart != content && |
| 1112 | startAndEndContent.mEnd != content) { |
| 1113 | // node is completely contained in range. Serialize the whole subtree |
| 1114 | // rooted by this node. |
| 1115 | rv = mNodeSerializer.SerializeToStringRecursive( |
| 1116 | aNode, NodeSerializer::SerializeRoot::eYes); |
| 1117 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1117); return rv; } } while (false); |
| 1118 | } else { |
| 1119 | rv = SerializeNodePartiallyContainedInRange( |
| 1120 | *aNode, *content, startAndEndContent, *aRange, aDepth); |
| 1121 | if (NS_WARN_IF(NS_FAILED(rv))NS_warn_if_impl(((bool)(__builtin_expect(!!(NS_FAILED_impl(rv )), 0))), "NS_FAILED(rv)", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1121)) { |
| 1122 | return rv; |
| 1123 | } |
| 1124 | } |
| 1125 | return NS_OK; |
| 1126 | } |
| 1127 | |
| 1128 | nsresult |
| 1129 | nsDocumentEncoder::RangeSerializer::SerializeNodePartiallyContainedInRange( |
| 1130 | nsINode& aNode, nsIContent& aContent, |
| 1131 | const StartAndEndContent& aStartAndEndContent, const nsRange& aRange, |
| 1132 | const int32_t aDepth) { |
| 1133 | // due to implementation it is impossible for text node to be both start and |
| 1134 | // end of range. We would have handled that case without getting here. |
| 1135 | // XXXsmaug What does this all mean? |
| 1136 | if (IsTextNode(&aNode)) { |
| 1137 | nsresult rv = |
| 1138 | SerializeTextNode(aNode, aContent, aStartAndEndContent, aRange); |
| 1139 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1139); return rv; } } while (false); |
| 1140 | } else { |
| 1141 | if (&aNode != mClosestCommonInclusiveAncestorOfRange) { |
| 1142 | if (mRangeContextSerializer.mRangeNodeContext.IncludeInContext(aNode)) { |
| 1143 | // halt the incrementing of mContextInfoDepth. This |
| 1144 | // is so paste client will include this node in paste. |
| 1145 | mHaltRangeHint = true; |
| 1146 | } |
| 1147 | if ((aStartAndEndContent.mStart == &aContent) && !mHaltRangeHint) { |
| 1148 | ++mContextInfoDepth.mStart; |
| 1149 | } |
| 1150 | if ((aStartAndEndContent.mEnd == &aContent) && !mHaltRangeHint) { |
| 1151 | ++mContextInfoDepth.mEnd; |
| 1152 | } |
| 1153 | |
| 1154 | // serialize the start of this node |
| 1155 | nsresult rv = mNodeSerializer.SerializeNodeStart(aNode, 0, -1); |
| 1156 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1156); return rv; } } while (false); |
| 1157 | } |
| 1158 | |
| 1159 | const auto& inclusiveAncestorsOffsetsOfStart = |
| 1160 | mRangeBoundariesInclusiveAncestorsAndOffsets |
| 1161 | .mInclusiveAncestorsOffsetsOfStart; |
| 1162 | const auto& inclusiveAncestorsOffsetsOfEnd = |
| 1163 | mRangeBoundariesInclusiveAncestorsAndOffsets |
| 1164 | .mInclusiveAncestorsOffsetsOfEnd; |
| 1165 | // do some calculations that will tell us which children of this |
| 1166 | // node are in the range. |
| 1167 | Maybe<uint32_t> startOffset = Some(0); |
| 1168 | Maybe<uint32_t> endOffset; |
| 1169 | if (aStartAndEndContent.mStart == &aContent && mStartRootIndex >= aDepth) { |
| 1170 | startOffset = inclusiveAncestorsOffsetsOfStart[mStartRootIndex - aDepth]; |
| 1171 | } |
| 1172 | if (aStartAndEndContent.mEnd == &aContent && mEndRootIndex >= aDepth) { |
| 1173 | endOffset = inclusiveAncestorsOffsetsOfEnd[mEndRootIndex - aDepth]; |
| 1174 | } |
| 1175 | // generated aContent will cause offset values of Nothing to be returned. |
| 1176 | if (startOffset.isNothing()) { |
| 1177 | startOffset = Some(0); |
| 1178 | } |
| 1179 | if (endOffset.isNothing()) { |
| 1180 | endOffset = Some(aContent.GetChildCount()); |
| 1181 | } else { |
| 1182 | // if we are at the "tip" of the selection, endOffset is fine. |
| 1183 | // otherwise, we need to add one. This is because of the semantics |
| 1184 | // of the offset list created by GetInclusiveAncestorsAndOffsets(). The |
| 1185 | // intermediate points on the list use the endOffset of the |
| 1186 | // location of the ancestor, rather than just past it. So we need |
| 1187 | // to add one here in order to include it in the children we serialize. |
| 1188 | const nsINode* endContainer = ShadowDOMSelectionHelpers::GetEndContainer( |
| 1189 | &aRange, mAllowCrossShadowBoundary); |
| 1190 | if (&aNode != endContainer) { |
| 1191 | 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)" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1191); AnnotateMozCrashReason("MOZ_ASSERT" "(" "*endOffset != (4294967295U)" ")"); do { MOZ_CrashSequence(__null, 1191); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1192 | endOffset.ref()++; |
| 1193 | } |
| 1194 | } |
| 1195 | |
| 1196 | 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()" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1196); AnnotateMozCrashReason("MOZ_ASSERT" "(" "endOffset.isSome()" ")"); do { MOZ_CrashSequence(__null, 1196); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1197 | nsresult rv = SerializeChildrenOfContent(aContent, *startOffset, *endOffset, |
| 1198 | &aRange, aDepth); |
| 1199 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1199); return rv; } } while (false); |
| 1200 | |
| 1201 | // serialize the end of this node |
| 1202 | if (&aNode != mClosestCommonInclusiveAncestorOfRange) { |
| 1203 | nsresult rv = mNodeSerializer.SerializeNodeEnd(aNode); |
| 1204 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1204); return rv; } } while (false); |
| 1205 | } |
| 1206 | } |
| 1207 | |
| 1208 | return NS_OK; |
| 1209 | } |
| 1210 | |
| 1211 | nsresult nsDocumentEncoder::RangeSerializer::SerializeChildrenOfContent( |
| 1212 | nsIContent& aContent, uint32_t aStartOffset, uint32_t aEndOffset, |
| 1213 | const nsRange* aRange, int32_t aDepth) { |
| 1214 | ShadowRoot* shadowRoot = ShadowDOMSelectionHelpers::GetShadowRoot( |
| 1215 | &aContent, mAllowCrossShadowBoundary); |
| 1216 | if (shadowRoot) { |
| 1217 | // Serialize the ShadowRoot first when the entire node needs to be |
| 1218 | // serialized. |
| 1219 | SerializeRangeNodes(aRange, shadowRoot, aDepth + 1); |
| 1220 | } |
| 1221 | |
| 1222 | if (!aEndOffset) { |
| 1223 | return NS_OK; |
| 1224 | } |
| 1225 | // serialize the children of this node that are in the range |
| 1226 | nsIContent* childAsNode = aContent.GetFirstChild(); |
| 1227 | uint32_t j = 0; |
| 1228 | |
| 1229 | for (; j < aStartOffset && childAsNode; ++j) { |
| 1230 | childAsNode = childAsNode->GetNextSibling(); |
| 1231 | } |
| 1232 | |
| 1233 | MOZ_ASSERT(j == aStartOffset)do { static_assert( mozilla::detail::AssertionConditionType< decltype(j == aStartOffset)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(j == aStartOffset))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("j == aStartOffset" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1233); AnnotateMozCrashReason("MOZ_ASSERT" "(" "j == aStartOffset" ")"); do { MOZ_CrashSequence(__null, 1233); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1234 | |
| 1235 | for (; childAsNode && j < aEndOffset; ++j) { |
| 1236 | if (shadowRoot && !childAsNode->GetAssignedSlot()) { |
| 1237 | childAsNode = childAsNode->GetNextSibling(); |
| 1238 | // Since this node is a shadow host, we skip the children that are not |
| 1239 | // slotted because they aren't visible. |
| 1240 | continue; |
| 1241 | } |
| 1242 | nsresult rv{NS_OK}; |
| 1243 | if ((j == aStartOffset) || (j == aEndOffset - 1)) { |
| 1244 | rv = SerializeRangeNodes(aRange, childAsNode, aDepth + 1); |
| 1245 | } else { |
| 1246 | rv = mNodeSerializer.SerializeToStringRecursive( |
| 1247 | childAsNode, NodeSerializer::SerializeRoot::eYes); |
| 1248 | } |
| 1249 | |
| 1250 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 1251 | return rv; |
| 1252 | } |
| 1253 | |
| 1254 | childAsNode = childAsNode->GetNextSibling(); |
| 1255 | } |
| 1256 | |
| 1257 | return NS_OK; |
| 1258 | } |
| 1259 | |
| 1260 | nsresult nsDocumentEncoder::RangeContextSerializer::SerializeRangeContextStart( |
| 1261 | const nsTArray<nsINode*>& aAncestorArray) { |
| 1262 | if (mDisableContextSerialize) { |
| 1263 | return NS_OK; |
| 1264 | } |
| 1265 | |
| 1266 | AutoTArray<nsINode*, 8>* serializedContext = mRangeContexts.AppendElement(); |
| 1267 | |
| 1268 | int32_t i = aAncestorArray.Length(), j; |
| 1269 | nsresult rv = NS_OK; |
| 1270 | |
| 1271 | // currently only for table-related elements; see Bug 137450 |
| 1272 | j = mRangeNodeContext.GetImmediateContextCount(aAncestorArray); |
| 1273 | |
| 1274 | while (i > 0) { |
| 1275 | nsINode* node = aAncestorArray.ElementAt(--i); |
| 1276 | if (!node) break; |
| 1277 | |
| 1278 | // Either a general inclusion or as immediate context |
| 1279 | if (mRangeNodeContext.IncludeInContext(*node) || i < j) { |
| 1280 | rv = mNodeSerializer.SerializeNodeStart(*node, 0, -1); |
| 1281 | serializedContext->AppendElement(node); |
| 1282 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) break; |
| 1283 | } |
| 1284 | } |
| 1285 | |
| 1286 | return rv; |
| 1287 | } |
| 1288 | |
| 1289 | nsresult nsDocumentEncoder::RangeContextSerializer::SerializeRangeContextEnd() { |
| 1290 | if (mDisableContextSerialize) { |
| 1291 | return NS_OK; |
| 1292 | } |
| 1293 | |
| 1294 | 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." ")", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1295); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "!mRangeContexts.IsEmpty()" ") (" "Tried to end context without starting one." ")"); do { MOZ_CrashSequence(__null, 1295); __attribute__((nomerge)) :: abort(); } while (false); } } while (false) |
| 1295 | "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." ")", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1295); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "!mRangeContexts.IsEmpty()" ") (" "Tried to end context without starting one." ")"); do { MOZ_CrashSequence(__null, 1295); __attribute__((nomerge)) :: abort(); } while (false); } } while (false); |
| 1296 | AutoTArray<nsINode*, 8>& serializedContext = mRangeContexts.LastElement(); |
| 1297 | |
| 1298 | nsresult rv = NS_OK; |
| 1299 | for (nsINode* node : Reversed(serializedContext)) { |
| 1300 | rv = mNodeSerializer.SerializeNodeEnd(*node); |
| 1301 | |
| 1302 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) break; |
| 1303 | } |
| 1304 | |
| 1305 | mRangeContexts.RemoveLastElement(); |
| 1306 | return rv; |
| 1307 | } |
| 1308 | |
| 1309 | bool nsDocumentEncoder::RangeSerializer::HasInvisibleParentAndShouldBeSkipped( |
| 1310 | nsINode& aNode) const { |
| 1311 | if (!(mFlags & SkipInvisibleContent)) { |
| 1312 | return false; |
| 1313 | } |
| 1314 | |
| 1315 | // Check that the parent is visible if we don't a frame. |
| 1316 | // IsInvisibleNodeAndShouldBeSkipped() will do it when there's a frame. |
| 1317 | nsCOMPtr<nsIContent> content = nsIContent::FromNode(aNode); |
| 1318 | if (content && !content->GetPrimaryFrame()) { |
| 1319 | nsIContent* parent = content->GetParent(); |
| 1320 | return !parent || IsInvisibleNodeAndShouldBeSkipped(*parent, mFlags); |
| 1321 | } |
| 1322 | |
| 1323 | return false; |
| 1324 | } |
| 1325 | |
| 1326 | nsresult nsDocumentEncoder::RangeSerializer::SerializeRangeToString( |
| 1327 | const nsRange* aRange) { |
| 1328 | if (!aRange || |
| 1329 | (aRange->Collapsed() && |
| 1330 | (mAllowCrossShadowBoundary == AllowRangeCrossShadowBoundary::No || |
| 1331 | !aRange->MayCrossShadowBoundary()))) { |
| 1332 | return NS_OK; |
| 1333 | } |
| 1334 | |
| 1335 | // Consider a case where the boundary of the selection is ShadowRoot (ie, the |
| 1336 | // first child of ShadowRoot is selected, so ShadowRoot is the container hence |
| 1337 | // the boundary), allowing GetClosestCommonInclusiveAncestor to cross the |
| 1338 | // boundary can return the host element as the container. |
| 1339 | // SerializeRangeContextStart doesn't support this case. |
| 1340 | mClosestCommonInclusiveAncestorOfRange = |
| 1341 | aRange->GetClosestCommonInclusiveAncestor(mAllowCrossShadowBoundary); |
| 1342 | |
| 1343 | if (!mClosestCommonInclusiveAncestorOfRange) { |
| 1344 | return NS_OK; |
| 1345 | } |
| 1346 | |
| 1347 | nsINode* startContainer = ShadowDOMSelectionHelpers::GetStartContainer( |
| 1348 | aRange, mAllowCrossShadowBoundary); |
| 1349 | NS_ENSURE_TRUE(startContainer, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(startContainer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "startContainer" ") failed" , nullptr, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1349); return NS_ERROR_FAILURE; } } while (false); |
| 1350 | const int32_t startOffset = |
| 1351 | ShadowDOMSelectionHelpers::StartOffset(aRange, mAllowCrossShadowBoundary); |
| 1352 | |
| 1353 | nsINode* endContainer = ShadowDOMSelectionHelpers::GetEndContainer( |
| 1354 | aRange, mAllowCrossShadowBoundary); |
| 1355 | NS_ENSURE_TRUE(endContainer, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(endContainer)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "endContainer" ") failed" , nullptr, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1355); return NS_ERROR_FAILURE; } } while (false); |
| 1356 | const int32_t endOffset = |
| 1357 | ShadowDOMSelectionHelpers::EndOffset(aRange, mAllowCrossShadowBoundary); |
| 1358 | |
| 1359 | mContextInfoDepth = {}; |
| 1360 | mCommonInclusiveAncestors.Clear(); |
| 1361 | |
| 1362 | mRangeBoundariesInclusiveAncestorsAndOffsets = {}; |
| 1363 | auto& inclusiveAncestorsOfStart = |
| 1364 | mRangeBoundariesInclusiveAncestorsAndOffsets.mInclusiveAncestorsOfStart; |
| 1365 | auto& inclusiveAncestorsOffsetsOfStart = |
| 1366 | mRangeBoundariesInclusiveAncestorsAndOffsets |
| 1367 | .mInclusiveAncestorsOffsetsOfStart; |
| 1368 | auto& inclusiveAncestorsOfEnd = |
| 1369 | mRangeBoundariesInclusiveAncestorsAndOffsets.mInclusiveAncestorsOfEnd; |
| 1370 | auto& inclusiveAncestorsOffsetsOfEnd = |
| 1371 | mRangeBoundariesInclusiveAncestorsAndOffsets |
| 1372 | .mInclusiveAncestorsOffsetsOfEnd; |
| 1373 | |
| 1374 | nsContentUtils::GetInclusiveAncestors(mClosestCommonInclusiveAncestorOfRange, |
| 1375 | mCommonInclusiveAncestors); |
| 1376 | if (mAllowCrossShadowBoundary == AllowRangeCrossShadowBoundary::Yes) { |
| 1377 | nsContentUtils::GetShadowIncludingAncestorsAndOffsets( |
| 1378 | startContainer, startOffset, inclusiveAncestorsOfStart, |
| 1379 | inclusiveAncestorsOffsetsOfStart); |
| 1380 | nsContentUtils::GetShadowIncludingAncestorsAndOffsets( |
| 1381 | endContainer, endOffset, inclusiveAncestorsOfEnd, |
| 1382 | inclusiveAncestorsOffsetsOfEnd); |
| 1383 | } else { |
| 1384 | nsContentUtils::GetInclusiveAncestorsAndOffsets( |
| 1385 | startContainer, startOffset, inclusiveAncestorsOfStart, |
| 1386 | inclusiveAncestorsOffsetsOfStart); |
| 1387 | nsContentUtils::GetInclusiveAncestorsAndOffsets( |
| 1388 | endContainer, endOffset, inclusiveAncestorsOfEnd, |
| 1389 | inclusiveAncestorsOffsetsOfEnd); |
| 1390 | } |
| 1391 | |
| 1392 | nsCOMPtr<nsIContent> commonContent = |
| 1393 | nsIContent::FromNodeOrNull(mClosestCommonInclusiveAncestorOfRange); |
| 1394 | mStartRootIndex = inclusiveAncestorsOfStart.IndexOf(commonContent); |
| 1395 | mEndRootIndex = inclusiveAncestorsOfEnd.IndexOf(commonContent); |
| 1396 | |
| 1397 | nsresult rv = NS_OK; |
| 1398 | |
| 1399 | rv = mRangeContextSerializer.SerializeRangeContextStart( |
| 1400 | mCommonInclusiveAncestors); |
| 1401 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1401); return rv; } } while (false); |
| 1402 | |
| 1403 | if (startContainer == endContainer && IsTextNode(startContainer)) { |
| 1404 | if (HasInvisibleParentAndShouldBeSkipped(*startContainer)) { |
| 1405 | return NS_OK; |
| 1406 | } |
| 1407 | rv = mNodeSerializer.SerializeTextNode(*startContainer, startOffset, |
| 1408 | endOffset); |
| 1409 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1409); return rv; } } while (false); |
| 1410 | } else { |
| 1411 | rv = SerializeRangeNodes(aRange, mClosestCommonInclusiveAncestorOfRange, 0); |
| 1412 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1412); return rv; } } while (false); |
| 1413 | } |
| 1414 | rv = mRangeContextSerializer.SerializeRangeContextEnd(); |
| 1415 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1415); return rv; } } while (false); |
| 1416 | |
| 1417 | return rv; |
| 1418 | } |
| 1419 | |
| 1420 | void nsDocumentEncoder::ReleaseDocumentReferenceAndInitialize( |
| 1421 | bool aClearCachedSerializer) { |
| 1422 | mDocument = nullptr; |
| 1423 | |
| 1424 | Initialize(aClearCachedSerializer); |
| 1425 | } |
| 1426 | |
| 1427 | NS_IMETHODIMPnsresult |
| 1428 | nsDocumentEncoder::EncodeToString(nsAString& aOutputString) { |
| 1429 | return EncodeToStringWithMaxLength(0, aOutputString); |
| 1430 | } |
| 1431 | |
| 1432 | NS_IMETHODIMPnsresult |
| 1433 | nsDocumentEncoder::EncodeToStringWithMaxLength(uint32_t aMaxLength, |
| 1434 | nsAString& aOutputString) { |
| 1435 | 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." ")", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1436); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRangeContextSerializer.mRangeContexts.IsEmpty()" ") (" "Re-entrant call to nsDocumentEncoder." ")"); do { MOZ_CrashSequence (__null, 1436); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false) |
| 1436 | "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." ")", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1436); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRangeContextSerializer.mRangeContexts.IsEmpty()" ") (" "Re-entrant call to nsDocumentEncoder." ")"); do { MOZ_CrashSequence (__null, 1436); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1437 | auto rangeContextGuard = |
| 1438 | MakeScopeExit([&] { mRangeContextSerializer.mRangeContexts.Clear(); }); |
| 1439 | |
| 1440 | if (!mDocument) return NS_ERROR_NOT_INITIALIZED; |
| 1441 | |
| 1442 | AutoReleaseDocumentIfNeeded autoReleaseDocument(this); |
| 1443 | |
| 1444 | aOutputString.Truncate(); |
| 1445 | |
| 1446 | nsString output; |
| 1447 | static const size_t kStringBufferSizeInBytes = 2048; |
| 1448 | if (!mCachedBuffer) { |
| 1449 | mCachedBuffer = StringBuffer::Alloc(kStringBufferSizeInBytes); |
| 1450 | if (NS_WARN_IF(!mCachedBuffer)NS_warn_if_impl(!mCachedBuffer, "!mCachedBuffer", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1450)) { |
| 1451 | return NS_ERROR_OUT_OF_MEMORY; |
| 1452 | } |
| 1453 | } |
| 1454 | NS_ASSERTION(do { if (!(!mCachedBuffer->IsReadonly())) { NS_DebugBreak( NS_DEBUG_ASSERTION, "nsIDocumentEncoder shouldn't keep reference to non-readonly buffer!" , "!mCachedBuffer->IsReadonly()", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1456); MOZ_PretendNoReturn(); } } while (0) |
| 1455 | !mCachedBuffer->IsReadonly(),do { if (!(!mCachedBuffer->IsReadonly())) { NS_DebugBreak( NS_DEBUG_ASSERTION, "nsIDocumentEncoder shouldn't keep reference to non-readonly buffer!" , "!mCachedBuffer->IsReadonly()", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1456); MOZ_PretendNoReturn(); } } while (0) |
| 1456 | "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()", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1456); MOZ_PretendNoReturn(); } } while (0); |
| 1457 | static_cast<char16_t*>(mCachedBuffer->Data())[0] = char16_t(0); |
| 1458 | output.Assign(mCachedBuffer.forget(), 0); |
| 1459 | |
| 1460 | if (!mSerializer) { |
| 1461 | nsAutoCString progId(NS_CONTENTSERIALIZER_CONTRACTID_PREFIX"@mozilla.org/layout/contentserializer;1?mimetype="); |
| 1462 | AppendUTF16toUTF8(mMimeType, progId); |
| 1463 | |
| 1464 | mSerializer = do_CreateInstance(progId.get()); |
| 1465 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1465); return NS_ERROR_NOT_IMPLEMENTED; } } while (false); |
| 1466 | } |
| 1467 | |
| 1468 | nsresult rv = NS_OK; |
| 1469 | |
| 1470 | bool rewriteEncodingDeclaration = |
| 1471 | !mEncodingScope.IsLimited() && |
| 1472 | !(mFlags & OutputDontRewriteEncodingDeclaration); |
| 1473 | mSerializer->Init(mFlags, mWrapColumn, mEncoding, mIsCopying, |
| 1474 | rewriteEncodingDeclaration, &mNeedsPreformatScanning, |
| 1475 | output); |
| 1476 | |
| 1477 | rv = SerializeDependingOnScope(aMaxLength); |
| 1478 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1478); return rv; } } while (false); |
| 1479 | |
| 1480 | rv = mSerializer->FlushAndFinish(); |
| 1481 | |
| 1482 | // We have to be careful how we set aOutputString, because we don't |
| 1483 | // want it to end up sharing mCachedBuffer if we plan to reuse it. |
| 1484 | bool setOutput = false; |
| 1485 | 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" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1485); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mCachedBuffer" ")"); do { MOZ_CrashSequence(__null, 1485); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1486 | // Try to cache the buffer. |
| 1487 | if (StringBuffer* outputBuffer = output.GetStringBuffer()) { |
| 1488 | if (outputBuffer->StorageSize() == kStringBufferSizeInBytes && |
| 1489 | !outputBuffer->IsReadonly()) { |
| 1490 | mCachedBuffer = outputBuffer; |
| 1491 | } else if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 1492 | aOutputString.Assign(outputBuffer, output.Length()); |
| 1493 | setOutput = true; |
| 1494 | } |
| 1495 | } |
| 1496 | |
| 1497 | if (!setOutput && NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 1498 | aOutputString.Append(output.get(), output.Length()); |
| 1499 | } |
| 1500 | |
| 1501 | return rv; |
| 1502 | } |
| 1503 | |
| 1504 | NS_IMETHODIMPnsresult |
| 1505 | nsDocumentEncoder::EncodeToStream(nsIOutputStream* aStream) { |
| 1506 | 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." ")", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1507); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRangeContextSerializer.mRangeContexts.IsEmpty()" ") (" "Re-entrant call to nsDocumentEncoder." ")"); do { MOZ_CrashSequence (__null, 1507); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false) |
| 1507 | "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." ")", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1507); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRangeContextSerializer.mRangeContexts.IsEmpty()" ") (" "Re-entrant call to nsDocumentEncoder." ")"); do { MOZ_CrashSequence (__null, 1507); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 1508 | auto rangeContextGuard = |
| 1509 | MakeScopeExit([&] { mRangeContextSerializer.mRangeContexts.Clear(); }); |
| 1510 | NS_ENSURE_ARG_POINTER(aStream)do { if ((__builtin_expect(!!(!(aStream)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aStream" ") failed", nullptr , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1510); return NS_ERROR_INVALID_POINTER; } } while (false); |
| 1511 | |
| 1512 | nsresult rv = NS_OK; |
| 1513 | |
| 1514 | if (!mDocument) return NS_ERROR_NOT_INITIALIZED; |
| 1515 | |
| 1516 | if (!mEncoding) { |
| 1517 | return NS_ERROR_UCONV_NOCONV; |
| 1518 | } |
| 1519 | |
| 1520 | nsAutoString buf; |
| 1521 | const bool isPlainText = mMimeType.LowerCaseEqualsLiteral(kTextMime"text/plain"); |
| 1522 | mTextStreamer.emplace(*aStream, mEncoding->NewEncoder(), isPlainText, buf); |
| 1523 | |
| 1524 | rv = EncodeToString(buf); |
Value stored to 'rv' is never read | |
| 1525 | |
| 1526 | // Force a flush of the last chunk of data. |
| 1527 | rv = mTextStreamer->ForceFlush(); |
| 1528 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1528); return rv; } } while (false); |
| 1529 | |
| 1530 | mTextStreamer.reset(); |
| 1531 | |
| 1532 | return rv; |
| 1533 | } |
| 1534 | |
| 1535 | NS_IMETHODIMPnsresult |
| 1536 | nsDocumentEncoder::EncodeToStringWithContext(nsAString& aContextString, |
| 1537 | nsAString& aInfoString, |
| 1538 | nsAString& aEncodedString) { |
| 1539 | return NS_ERROR_NOT_IMPLEMENTED; |
| 1540 | } |
| 1541 | |
| 1542 | NS_IMETHODIMPnsresult |
| 1543 | nsDocumentEncoder::SetNodeFixup(nsIDocumentEncoderNodeFixup* aFixup) { |
| 1544 | mNodeFixup = aFixup; |
| 1545 | return NS_OK; |
| 1546 | } |
| 1547 | |
| 1548 | bool do_getDocumentTypeSupportedForEncoding(const char* aContentType) { |
| 1549 | if (!nsCRT::strcmp(aContentType, TEXT_XML"text/xml") || |
| 1550 | !nsCRT::strcmp(aContentType, APPLICATION_XML"application/xml") || |
| 1551 | !nsCRT::strcmp(aContentType, APPLICATION_XHTML_XML"application/xhtml+xml") || |
| 1552 | !nsCRT::strcmp(aContentType, IMAGE_SVG_XML"image/svg+xml") || |
| 1553 | !nsCRT::strcmp(aContentType, TEXT_HTML"text/html") || |
| 1554 | !nsCRT::strcmp(aContentType, TEXT_PLAIN"text/plain")) { |
| 1555 | return true; |
| 1556 | } |
| 1557 | return false; |
| 1558 | } |
| 1559 | |
| 1560 | already_AddRefed<nsIDocumentEncoder> do_createDocumentEncoder( |
| 1561 | const char* aContentType) { |
| 1562 | if (do_getDocumentTypeSupportedForEncoding(aContentType)) { |
| 1563 | return do_AddRef(new nsDocumentEncoder); |
| 1564 | } |
| 1565 | return nullptr; |
| 1566 | } |
| 1567 | |
| 1568 | class nsHTMLCopyEncoder : public nsDocumentEncoder { |
| 1569 | private: |
| 1570 | class RangeNodeContext final : public nsDocumentEncoder::RangeNodeContext { |
| 1571 | bool IncludeInContext(nsINode& aNode) const final; |
| 1572 | |
| 1573 | int32_t GetImmediateContextCount( |
| 1574 | const nsTArray<nsINode*>& aAncestorArray) const final; |
| 1575 | }; |
| 1576 | |
| 1577 | public: |
| 1578 | nsHTMLCopyEncoder(); |
| 1579 | ~nsHTMLCopyEncoder(); |
| 1580 | |
| 1581 | NS_IMETHODvirtual nsresult Init(Document* aDocument, const nsAString& aMimeType, |
| 1582 | uint32_t aFlags) override; |
| 1583 | |
| 1584 | // overridden methods from nsDocumentEncoder |
| 1585 | MOZ_CAN_RUN_SCRIPT_BOUNDARY |
| 1586 | NS_IMETHODvirtual nsresult SetSelection(Selection* aSelection) override; |
| 1587 | NS_IMETHODvirtual nsresult EncodeToStringWithContext(nsAString& aContextString, |
| 1588 | nsAString& aInfoString, |
| 1589 | nsAString& aEncodedString) override; |
| 1590 | NS_IMETHODvirtual nsresult EncodeToString(nsAString& aOutputString) override; |
| 1591 | |
| 1592 | protected: |
| 1593 | enum Endpoint { kStart, kEnd }; |
| 1594 | |
| 1595 | nsresult PromoteRange(nsRange* inRange); |
| 1596 | nsresult PromoteAncestorChain(nsCOMPtr<nsINode>* ioNode, |
| 1597 | int32_t* ioStartOffset, int32_t* ioEndOffset); |
| 1598 | nsresult GetPromotedPoint(Endpoint aWhere, nsINode* aNode, int32_t aOffset, |
| 1599 | nsCOMPtr<nsINode>* outNode, int32_t* outOffset, |
| 1600 | nsINode* aCommon); |
| 1601 | static nsCOMPtr<nsINode> GetChildAt(nsINode* aParent, int32_t aOffset); |
| 1602 | static bool IsMozBR(Element* aNode); |
| 1603 | nsresult GetNodeLocation(nsINode* inChild, nsCOMPtr<nsINode>* outParent, |
| 1604 | int32_t* outOffset); |
| 1605 | bool IsRoot(nsINode* aNode); |
| 1606 | static bool IsFirstNode(nsINode* aNode); |
| 1607 | static bool IsLastNode(nsINode* aNode); |
| 1608 | |
| 1609 | bool mIsTextWidget; |
| 1610 | }; |
| 1611 | |
| 1612 | nsHTMLCopyEncoder::nsHTMLCopyEncoder() |
| 1613 | : nsDocumentEncoder{MakeUnique<nsHTMLCopyEncoder::RangeNodeContext>()} { |
| 1614 | mIsTextWidget = false; |
| 1615 | } |
| 1616 | |
| 1617 | nsHTMLCopyEncoder::~nsHTMLCopyEncoder() = default; |
| 1618 | |
| 1619 | NS_IMETHODIMPnsresult |
| 1620 | nsHTMLCopyEncoder::Init(Document* aDocument, const nsAString& aMimeType, |
| 1621 | uint32_t aFlags) { |
| 1622 | if (!aDocument) return NS_ERROR_INVALID_ARG; |
| 1623 | |
| 1624 | mIsTextWidget = false; |
| 1625 | Initialize(true, GetAllowRangeCrossShadowBoundary(aFlags)); |
| 1626 | |
| 1627 | mIsCopying = true; |
| 1628 | mDocument = aDocument; |
| 1629 | |
| 1630 | // Hack, hack! Traditionally, the caller passes text/plain, which is |
| 1631 | // treated as "guess text/html or text/plain" in this context. (It has a |
| 1632 | // different meaning in other contexts. Sigh.) From now on, "text/plain" |
| 1633 | // means forcing text/plain instead of guessing. |
| 1634 | if (aMimeType.EqualsLiteral("text/plain")) { |
| 1635 | mMimeType.AssignLiteral("text/plain"); |
| 1636 | } else { |
| 1637 | mMimeType.AssignLiteral("text/html"); |
| 1638 | } |
| 1639 | |
| 1640 | // Make all links absolute when copying |
| 1641 | // (see related bugs #57296, #41924, #58646, #32768) |
| 1642 | mFlags = aFlags | OutputAbsoluteLinks; |
| 1643 | |
| 1644 | if (!mDocument->IsScriptEnabled()) mFlags |= OutputNoScriptContent; |
| 1645 | |
| 1646 | return NS_OK; |
| 1647 | } |
| 1648 | |
| 1649 | NS_IMETHODIMPnsresult |
| 1650 | nsHTMLCopyEncoder::SetSelection(Selection* aSelection) { |
| 1651 | // check for text widgets: we need to recognize these so that |
| 1652 | // we don't tweak the selection to be outside of the magic |
| 1653 | // div that ender-lite text widgets are embedded in. |
| 1654 | |
| 1655 | if (!aSelection) return NS_ERROR_NULL_POINTER; |
| 1656 | |
| 1657 | const uint32_t rangeCount = aSelection->RangeCount(); |
| 1658 | |
| 1659 | // if selection is uninitialized return |
| 1660 | if (!rangeCount) { |
| 1661 | return NS_ERROR_FAILURE; |
| 1662 | } |
| 1663 | |
| 1664 | // we'll just use the common parent of the first range. Implicit assumption |
| 1665 | // here that multi-range selections are table cell selections, in which case |
| 1666 | // the common parent is somewhere in the table and we don't really care where. |
| 1667 | // |
| 1668 | // FIXME(emilio, bug 1455894): This assumption is already wrong, and will |
| 1669 | // probably be more wrong in a Shadow DOM world... |
| 1670 | // |
| 1671 | // We should be able to write this as "Find the common ancestor of the |
| 1672 | // selection, then go through the flattened tree and serialize the selected |
| 1673 | // nodes", effectively serializing the composed tree. |
| 1674 | RefPtr<nsRange> range = aSelection->GetRangeAt(0); |
| 1675 | nsINode* commonParent = range->GetClosestCommonInclusiveAncestor(); |
| 1676 | |
| 1677 | for (nsCOMPtr<nsIContent> selContent( |
| 1678 | nsIContent::FromNodeOrNull(commonParent)); |
| 1679 | selContent; selContent = selContent->GetParent()) { |
| 1680 | // checking for selection inside a plaintext form widget |
| 1681 | if (selContent->IsAnyOfHTMLElements(nsGkAtoms::input, |
| 1682 | nsGkAtoms::textarea)) { |
| 1683 | mIsTextWidget = true; |
| 1684 | break; |
| 1685 | } |
| 1686 | } |
| 1687 | |
| 1688 | // normalize selection if we are not in a widget |
| 1689 | if (mIsTextWidget) { |
| 1690 | mEncodingScope.mSelection = aSelection; |
| 1691 | mMimeType.AssignLiteral("text/plain"); |
| 1692 | return NS_OK; |
| 1693 | } |
| 1694 | |
| 1695 | // XXX We should try to get rid of the Selection object here. |
| 1696 | // XXX bug 1245883 |
| 1697 | |
| 1698 | // also consider ourselves in a text widget if we can't find an html document |
| 1699 | if (!(mDocument && mDocument->IsHTMLDocument())) { |
| 1700 | mIsTextWidget = true; |
| 1701 | mEncodingScope.mSelection = aSelection; |
| 1702 | // mMimeType is set to text/plain when encoding starts. |
| 1703 | return NS_OK; |
| 1704 | } |
| 1705 | |
| 1706 | // there's no Clone() for selection! fix... |
| 1707 | // nsresult rv = aSelection->Clone(getter_AddRefs(mSelection); |
| 1708 | // NS_ENSURE_SUCCESS(rv, rv); |
| 1709 | mEncodingScope.mSelection = new Selection(SelectionType::eNormal, nullptr); |
| 1710 | |
| 1711 | // loop thru the ranges in the selection |
| 1712 | for (const uint32_t rangeIdx : IntegerRange(rangeCount)) { |
| 1713 | 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" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1713); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aSelection->RangeCount() == rangeCount" ")"); do { MOZ_CrashSequence(__null, 1713); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1714 | range = aSelection->GetRangeAt(rangeIdx); |
| 1715 | NS_ENSURE_TRUE(range, NS_ERROR_FAILURE)do { if ((__builtin_expect(!!(!(range)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "range" ") failed", nullptr , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1715); return NS_ERROR_FAILURE; } } while (false); |
| 1716 | RefPtr<nsRange> myRange = range->CloneRange(); |
| 1717 | 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", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1717); AnnotateMozCrashReason("MOZ_ASSERT" "(" "myRange" ")" ); do { MOZ_CrashSequence(__null, 1717); __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 1718 | |
| 1719 | // adjust range to include any ancestors who's children are entirely |
| 1720 | // selected |
| 1721 | nsresult rv = PromoteRange(myRange); |
| 1722 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1722); return rv; } } while (false); |
| 1723 | |
| 1724 | ErrorResult result; |
| 1725 | RefPtr<Selection> selection(mEncodingScope.mSelection); |
| 1726 | RefPtr<Document> document(mDocument); |
| 1727 | selection->AddRangeAndSelectFramesAndNotifyListenersInternal( |
| 1728 | *myRange, document, result); |
| 1729 | rv = result.StealNSResult(); |
| 1730 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1730); return rv; } } while (false); |
| 1731 | } |
| 1732 | |
| 1733 | return NS_OK; |
| 1734 | } |
| 1735 | |
| 1736 | NS_IMETHODIMPnsresult |
| 1737 | nsHTMLCopyEncoder::EncodeToString(nsAString& aOutputString) { |
| 1738 | if (mIsTextWidget) { |
| 1739 | mMimeType.AssignLiteral("text/plain"); |
| 1740 | } |
| 1741 | return nsDocumentEncoder::EncodeToString(aOutputString); |
| 1742 | } |
| 1743 | |
| 1744 | NS_IMETHODIMPnsresult |
| 1745 | nsHTMLCopyEncoder::EncodeToStringWithContext(nsAString& aContextString, |
| 1746 | nsAString& aInfoString, |
| 1747 | nsAString& aEncodedString) { |
| 1748 | nsresult rv = EncodeToString(aEncodedString); |
| 1749 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1749); return rv; } } while (false); |
| 1750 | |
| 1751 | // do not encode any context info or range hints if we are in a text widget. |
| 1752 | if (mIsTextWidget) return NS_OK; |
| 1753 | |
| 1754 | // now encode common ancestors into aContextString. Note that the common |
| 1755 | // ancestors will be for the last range in the selection in the case of |
| 1756 | // multirange selections. encoding ancestors every range in a multirange |
| 1757 | // selection in a way that could be understood by the paste code would be a |
| 1758 | // lot more work to do. As a practical matter, selections are single range, |
| 1759 | // and the ones that aren't are table cell selections where all the cells are |
| 1760 | // in the same table. |
| 1761 | |
| 1762 | mSerializer->Init(mFlags, mWrapColumn, mEncoding, mIsCopying, false, |
| 1763 | &mNeedsPreformatScanning, aContextString); |
| 1764 | |
| 1765 | // leaf of ancestors might be text node. If so discard it. |
| 1766 | int32_t count = mRangeSerializer.mCommonInclusiveAncestors.Length(); |
| 1767 | int32_t i; |
| 1768 | nsCOMPtr<nsINode> node; |
| 1769 | if (count > 0) { |
| 1770 | node = mRangeSerializer.mCommonInclusiveAncestors.ElementAt(0); |
| 1771 | } |
| 1772 | |
| 1773 | if (node && IsTextNode(node)) { |
| 1774 | mRangeSerializer.mCommonInclusiveAncestors.RemoveElementAt(0); |
| 1775 | if (mRangeSerializer.mContextInfoDepth.mStart) { |
| 1776 | --mRangeSerializer.mContextInfoDepth.mStart; |
| 1777 | } |
| 1778 | if (mRangeSerializer.mContextInfoDepth.mEnd) { |
| 1779 | --mRangeSerializer.mContextInfoDepth.mEnd; |
| 1780 | } |
| 1781 | count--; |
| 1782 | } |
| 1783 | |
| 1784 | i = count; |
| 1785 | while (i > 0) { |
| 1786 | node = mRangeSerializer.mCommonInclusiveAncestors.ElementAt(--i); |
| 1787 | rv = mNodeSerializer.SerializeNodeStart(*node, 0, -1); |
| 1788 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1788); return rv; } } while (false); |
| 1789 | } |
| 1790 | // i = 0; guaranteed by above |
| 1791 | while (i < count) { |
| 1792 | node = mRangeSerializer.mCommonInclusiveAncestors.ElementAt(i++); |
| 1793 | rv = mNodeSerializer.SerializeNodeEnd(*node); |
| 1794 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1794); return rv; } } while (false); |
| 1795 | } |
| 1796 | |
| 1797 | mSerializer->Finish(); |
| 1798 | |
| 1799 | // encode range info : the start and end depth of the selection, where the |
| 1800 | // depth is distance down in the parent hierarchy. Later we will need to add |
| 1801 | // leading/trailing whitespace info to this. |
| 1802 | nsAutoString infoString; |
| 1803 | infoString.AppendInt(mRangeSerializer.mContextInfoDepth.mStart); |
| 1804 | infoString.Append(char16_t(',')); |
| 1805 | infoString.AppendInt(mRangeSerializer.mContextInfoDepth.mEnd); |
| 1806 | aInfoString = infoString; |
| 1807 | |
| 1808 | return rv; |
| 1809 | } |
| 1810 | |
| 1811 | bool nsHTMLCopyEncoder::RangeNodeContext::IncludeInContext( |
| 1812 | nsINode& aNode) const { |
| 1813 | const nsIContent* const content = nsIContent::FromNodeOrNull(&aNode); |
| 1814 | if (!content) { |
| 1815 | return false; |
| 1816 | } |
| 1817 | |
| 1818 | // If it's an inline editing host, we should not treat it gives a context to |
| 1819 | // avoid to duplicate its style. |
| 1820 | if (content->IsEditingHost()) { |
| 1821 | return false; |
| 1822 | } |
| 1823 | |
| 1824 | return content->IsAnyOfHTMLElements( |
| 1825 | nsGkAtoms::b, nsGkAtoms::i, nsGkAtoms::u, nsGkAtoms::a, nsGkAtoms::tt, |
| 1826 | nsGkAtoms::s, nsGkAtoms::big, nsGkAtoms::small, nsGkAtoms::strike, |
| 1827 | nsGkAtoms::em, nsGkAtoms::strong, nsGkAtoms::dfn, nsGkAtoms::code, |
| 1828 | nsGkAtoms::cite, nsGkAtoms::var, nsGkAtoms::abbr, nsGkAtoms::font, |
| 1829 | nsGkAtoms::script, nsGkAtoms::span, nsGkAtoms::pre, nsGkAtoms::h1, |
| 1830 | nsGkAtoms::h2, nsGkAtoms::h3, nsGkAtoms::h4, nsGkAtoms::h5, |
| 1831 | nsGkAtoms::h6); |
| 1832 | } |
| 1833 | |
| 1834 | nsresult nsHTMLCopyEncoder::PromoteRange(nsRange* inRange) { |
| 1835 | if (!inRange->IsPositioned()) { |
| 1836 | return NS_ERROR_UNEXPECTED; |
| 1837 | } |
| 1838 | nsCOMPtr<nsINode> startNode = |
| 1839 | inRange->GetMayCrossShadowBoundaryStartContainer(); |
| 1840 | const uint32_t startOffset = inRange->MayCrossShadowBoundaryStartOffset(); |
| 1841 | nsCOMPtr<nsINode> endNode = inRange->GetMayCrossShadowBoundaryEndContainer(); |
| 1842 | const uint32_t endOffset = inRange->MayCrossShadowBoundaryEndOffset(); |
| 1843 | nsCOMPtr<nsINode> common = inRange->GetClosestCommonInclusiveAncestor( |
| 1844 | AllowRangeCrossShadowBoundary::Yes); |
| 1845 | |
| 1846 | nsCOMPtr<nsINode> opStartNode; |
| 1847 | nsCOMPtr<nsINode> opEndNode; |
| 1848 | int32_t opStartOffset, opEndOffset; |
| 1849 | |
| 1850 | // examine range endpoints. |
| 1851 | nsresult rv = |
| 1852 | GetPromotedPoint(kStart, startNode, static_cast<int32_t>(startOffset), |
| 1853 | address_of(opStartNode), &opStartOffset, common); |
| 1854 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1854); return rv; } } while (false); |
| 1855 | rv = GetPromotedPoint(kEnd, endNode, static_cast<int32_t>(endOffset), |
| 1856 | address_of(opEndNode), &opEndOffset, common); |
| 1857 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1857); return rv; } } while (false); |
| 1858 | |
| 1859 | // if both range endpoints are at the common ancestor, check for possible |
| 1860 | // inclusion of ancestors |
| 1861 | if (opStartNode == common && opEndNode == common) { |
| 1862 | rv = PromoteAncestorChain(address_of(opStartNode), &opStartOffset, |
| 1863 | &opEndOffset); |
| 1864 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1864); return rv; } } while (false); |
| 1865 | opEndNode = opStartNode; |
| 1866 | } |
| 1867 | |
| 1868 | // set the range to the new values |
| 1869 | ErrorResult err; |
| 1870 | inRange->SetStart(*opStartNode, static_cast<uint32_t>(opStartOffset), err, |
| 1871 | GetAllowRangeCrossShadowBoundary(mFlags)); |
| 1872 | if (NS_WARN_IF(err.Failed())NS_warn_if_impl(err.Failed(), "err.Failed()", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1872)) { |
| 1873 | return err.StealNSResult(); |
| 1874 | } |
| 1875 | inRange->SetEnd(*opEndNode, static_cast<uint32_t>(opEndOffset), err, |
| 1876 | GetAllowRangeCrossShadowBoundary(mFlags)); |
| 1877 | if (NS_WARN_IF(err.Failed())NS_warn_if_impl(err.Failed(), "err.Failed()", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1877)) { |
| 1878 | return err.StealNSResult(); |
| 1879 | } |
| 1880 | return NS_OK; |
| 1881 | } |
| 1882 | |
| 1883 | // PromoteAncestorChain will promote a range represented by |
| 1884 | // [{*ioNode,*ioStartOffset} , {*ioNode,*ioEndOffset}] The promotion is |
| 1885 | // different from that found in getPromotedPoint: it will only promote one |
| 1886 | // endpoint if it can promote the other. Thus, instead of having a |
| 1887 | // startnode/endNode, there is just the one ioNode. |
| 1888 | nsresult nsHTMLCopyEncoder::PromoteAncestorChain(nsCOMPtr<nsINode>* ioNode, |
| 1889 | int32_t* ioStartOffset, |
| 1890 | int32_t* ioEndOffset) { |
| 1891 | if (!ioNode || !ioStartOffset || !ioEndOffset) return NS_ERROR_NULL_POINTER; |
| 1892 | |
| 1893 | nsresult rv = NS_OK; |
| 1894 | bool done = false; |
| 1895 | |
| 1896 | nsCOMPtr<nsINode> frontNode, endNode, parent; |
| 1897 | int32_t frontOffset, endOffset; |
| 1898 | |
| 1899 | // save the editable state of the ioNode, so we don't promote an ancestor if |
| 1900 | // it has different editable state |
| 1901 | nsCOMPtr<nsINode> node = *ioNode; |
| 1902 | bool isEditable = node->IsEditable(); |
| 1903 | |
| 1904 | // loop for as long as we can promote both endpoints |
| 1905 | while (!done) { |
| 1906 | node = *ioNode; |
| 1907 | parent = node->GetParentNode(); |
| 1908 | if (!parent) { |
| 1909 | done = true; |
| 1910 | } else { |
| 1911 | // passing parent as last param to GetPromotedPoint() allows it to promote |
| 1912 | // only one level up the hierarchy. |
| 1913 | rv = GetPromotedPoint(kStart, *ioNode, *ioStartOffset, |
| 1914 | address_of(frontNode), &frontOffset, parent); |
| 1915 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1915); return rv; } } while (false); |
| 1916 | // then we make the same attempt with the endpoint |
| 1917 | rv = GetPromotedPoint(kEnd, *ioNode, *ioEndOffset, address_of(endNode), |
| 1918 | &endOffset, parent); |
| 1919 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1919); return rv; } } while (false); |
| 1920 | |
| 1921 | // if both endpoints were promoted one level and isEditable is the same as |
| 1922 | // the original node, keep looping - otherwise we are done. |
| 1923 | if ((frontNode != parent) || (endNode != parent) || |
| 1924 | (frontNode->IsEditable() != isEditable)) |
| 1925 | done = true; |
| 1926 | else { |
| 1927 | *ioNode = frontNode; |
| 1928 | *ioStartOffset = frontOffset; |
| 1929 | *ioEndOffset = endOffset; |
| 1930 | } |
| 1931 | } |
| 1932 | } |
| 1933 | return rv; |
| 1934 | } |
| 1935 | |
| 1936 | nsresult nsHTMLCopyEncoder::GetPromotedPoint(Endpoint aWhere, nsINode* aNode, |
| 1937 | int32_t aOffset, |
| 1938 | nsCOMPtr<nsINode>* outNode, |
| 1939 | int32_t* outOffset, |
| 1940 | nsINode* common) { |
| 1941 | nsresult rv = NS_OK; |
| 1942 | nsCOMPtr<nsINode> node = aNode; |
| 1943 | nsCOMPtr<nsINode> parent = aNode; |
| 1944 | int32_t offset = aOffset; |
| 1945 | bool bResetPromotion = false; |
| 1946 | |
| 1947 | // default values |
| 1948 | *outNode = node; |
| 1949 | *outOffset = offset; |
| 1950 | |
| 1951 | if (common == node) return NS_OK; |
| 1952 | |
| 1953 | if (aWhere == kStart) { |
| 1954 | // some special casing for text nodes |
| 1955 | if (auto nodeAsText = aNode->GetAsText()) { |
| 1956 | // if not at beginning of text node, we are done |
| 1957 | if (offset > 0) { |
| 1958 | // unless everything before us in just whitespace. NOTE: we need a more |
| 1959 | // general solution that truly detects all cases of non-significant |
| 1960 | // whitesace with no false alarms. |
| 1961 | nsAutoString text; |
| 1962 | nodeAsText->SubstringData(0, offset, text, IgnoreErrors()); |
| 1963 | text.CompressWhitespace(); |
| 1964 | if (!text.IsEmpty()) return NS_OK; |
| 1965 | bResetPromotion = true; |
| 1966 | } |
| 1967 | // else |
| 1968 | rv = GetNodeLocation(aNode, address_of(parent), &offset); |
| 1969 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1969); return rv; } } while (false); |
| 1970 | } else { |
| 1971 | node = GetChildAt(parent, offset); |
| 1972 | } |
| 1973 | if (!node) node = parent; |
| 1974 | |
| 1975 | // finding the real start for this point. look up the tree for as long as |
| 1976 | // we are the first node in the container, and as long as we haven't hit the |
| 1977 | // body node. |
| 1978 | if (!IsRoot(node) && (parent != common)) { |
| 1979 | rv = GetNodeLocation(node, address_of(parent), &offset); |
| 1980 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1980); return rv; } } while (false); |
| 1981 | if (offset == -1) return NS_OK; // we hit generated content; STOP |
| 1982 | while ((IsFirstNode(node)) && (!IsRoot(parent)) && (parent != common)) { |
| 1983 | if (bResetPromotion) { |
| 1984 | nsCOMPtr<nsIContent> content = nsIContent::FromNodeOrNull(parent); |
| 1985 | if (content && content->IsHTMLElement()) { |
| 1986 | if (nsHTMLElement::IsBlock( |
| 1987 | nsHTMLTags::AtomTagToId(content->NodeInfo()->NameAtom()))) { |
| 1988 | bResetPromotion = false; |
| 1989 | } |
| 1990 | } |
| 1991 | } |
| 1992 | |
| 1993 | node = parent; |
| 1994 | rv = GetNodeLocation(node, address_of(parent), &offset); |
| 1995 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 1995); return rv; } } while (false); |
| 1996 | if (offset == -1) // we hit generated content; STOP |
| 1997 | { |
| 1998 | // back up a bit |
| 1999 | parent = node; |
| 2000 | offset = 0; |
| 2001 | break; |
| 2002 | } |
| 2003 | } |
| 2004 | if (bResetPromotion) { |
| 2005 | *outNode = aNode; |
| 2006 | *outOffset = aOffset; |
| 2007 | } else { |
| 2008 | *outNode = parent; |
| 2009 | *outOffset = offset; |
| 2010 | } |
| 2011 | return rv; |
| 2012 | } |
| 2013 | } |
| 2014 | |
| 2015 | if (aWhere == kEnd) { |
| 2016 | // some special casing for text nodes |
| 2017 | if (auto nodeAsText = aNode->GetAsText()) { |
| 2018 | // if not at end of text node, we are done |
| 2019 | uint32_t len = aNode->Length(); |
| 2020 | if (offset < (int32_t)len) { |
| 2021 | // unless everything after us in just whitespace. NOTE: we need a more |
| 2022 | // general solution that truly detects all cases of non-significant |
| 2023 | // whitespace with no false alarms. |
| 2024 | nsAutoString text; |
| 2025 | nodeAsText->SubstringData(offset, len - offset, text, IgnoreErrors()); |
| 2026 | text.CompressWhitespace(); |
| 2027 | if (!text.IsEmpty()) return NS_OK; |
| 2028 | bResetPromotion = true; |
| 2029 | } |
| 2030 | rv = GetNodeLocation(aNode, address_of(parent), &offset); |
| 2031 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 2031); return rv; } } while (false); |
| 2032 | } else { |
| 2033 | if (offset) offset--; // we want node _before_ offset |
| 2034 | node = GetChildAt(parent, offset); |
| 2035 | } |
| 2036 | if (!node) node = parent; |
| 2037 | |
| 2038 | // finding the real end for this point. look up the tree for as long as we |
| 2039 | // are the last node in the container, and as long as we haven't hit the |
| 2040 | // body node. |
| 2041 | if (!IsRoot(node) && (parent != common)) { |
| 2042 | rv = GetNodeLocation(node, address_of(parent), &offset); |
| 2043 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 2043); return rv; } } while (false); |
| 2044 | if (offset == -1) return NS_OK; // we hit generated content; STOP |
| 2045 | while ((IsLastNode(node)) && (!IsRoot(parent)) && (parent != common)) { |
| 2046 | if (bResetPromotion) { |
| 2047 | nsCOMPtr<nsIContent> content = nsIContent::FromNodeOrNull(parent); |
| 2048 | if (content && content->IsHTMLElement()) { |
| 2049 | if (nsHTMLElement::IsBlock( |
| 2050 | nsHTMLTags::AtomTagToId(content->NodeInfo()->NameAtom()))) { |
| 2051 | bResetPromotion = false; |
| 2052 | } |
| 2053 | } |
| 2054 | } |
| 2055 | |
| 2056 | node = parent; |
| 2057 | rv = GetNodeLocation(node, address_of(parent), &offset); |
| 2058 | 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, "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 2058); return rv; } } while (false); |
| 2059 | |
| 2060 | // When node is the shadow root and parent is the shadow host, |
| 2061 | // the offset would also be -1, and we'd like to keep going. |
| 2062 | const bool isGeneratedContent = |
| 2063 | offset == -1 && |
| 2064 | ShadowDOMSelectionHelpers::GetShadowRoot( |
| 2065 | parent, GetAllowRangeCrossShadowBoundary(mFlags)) != node; |
| 2066 | if (isGeneratedContent) // we hit generated content; STOP |
| 2067 | { |
| 2068 | // back up a bit |
| 2069 | parent = node; |
| 2070 | offset = 0; |
| 2071 | break; |
| 2072 | } |
| 2073 | } |
| 2074 | if (bResetPromotion) { |
| 2075 | *outNode = aNode; |
| 2076 | *outOffset = aOffset; |
| 2077 | } else { |
| 2078 | *outNode = parent; |
| 2079 | offset++; // add one since this in an endpoint - want to be AFTER node. |
| 2080 | *outOffset = offset; |
| 2081 | } |
| 2082 | return rv; |
| 2083 | } |
| 2084 | } |
| 2085 | |
| 2086 | return rv; |
| 2087 | } |
| 2088 | |
| 2089 | nsCOMPtr<nsINode> nsHTMLCopyEncoder::GetChildAt(nsINode* aParent, |
| 2090 | int32_t aOffset) { |
| 2091 | nsCOMPtr<nsINode> resultNode; |
| 2092 | |
| 2093 | if (!aParent) return resultNode; |
| 2094 | |
| 2095 | nsCOMPtr<nsIContent> content = nsIContent::FromNodeOrNull(aParent); |
| 2096 | MOZ_ASSERT(content, "null content in nsHTMLCopyEncoder::GetChildAt")do { static_assert( mozilla::detail::AssertionConditionType< decltype(content)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(content))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("content" " (" "null content in nsHTMLCopyEncoder::GetChildAt" ")", "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 2096); AnnotateMozCrashReason("MOZ_ASSERT" "(" "content" ") (" "null content in nsHTMLCopyEncoder::GetChildAt" ")"); do { MOZ_CrashSequence (__null, 2096); __attribute__((nomerge)) ::abort(); } while ( false); } } while (false); |
| 2097 | |
| 2098 | resultNode = content->GetChildAt_Deprecated(aOffset); |
| 2099 | |
| 2100 | return resultNode; |
| 2101 | } |
| 2102 | |
| 2103 | bool nsHTMLCopyEncoder::IsMozBR(Element* aElement) { |
| 2104 | HTMLBRElement* brElement = HTMLBRElement::FromNodeOrNull(aElement); |
| 2105 | return brElement && brElement->IsPaddingForEmptyLastLine(); |
| 2106 | } |
| 2107 | |
| 2108 | nsresult nsHTMLCopyEncoder::GetNodeLocation(nsINode* inChild, |
| 2109 | nsCOMPtr<nsINode>* outParent, |
| 2110 | int32_t* outOffset) { |
| 2111 | NS_ASSERTION((inChild && outParent && outOffset), "bad args")do { if (!((inChild && outParent && outOffset ))) { NS_DebugBreak(NS_DEBUG_ASSERTION, "bad args", "(inChild && outParent && outOffset)" , "/root/firefox-clang/dom/serializers/nsDocumentEncoder.cpp" , 2111); MOZ_PretendNoReturn(); } } while (0); |
| 2112 | if (inChild && outParent && outOffset) { |
| 2113 | nsCOMPtr<nsIContent> child = nsIContent::FromNodeOrNull(inChild); |
| 2114 | if (!child) { |
| 2115 | return NS_ERROR_NULL_POINTER; |
| 2116 | } |
| 2117 | |
| 2118 | nsINode* parent = mFlags & nsIDocumentEncoder::AllowCrossShadowBoundary |
| 2119 | ? child->GetParentOrShadowHostNode() |
| 2120 | : child->GetParent(); |
| 2121 | if (!parent) { |
| 2122 | return NS_ERROR_NULL_POINTER; |
| 2123 | } |
| 2124 | |
| 2125 | *outParent = parent; |
| 2126 | *outOffset = parent->ComputeIndexOf_Deprecated(child); |
| 2127 | return NS_OK; |
| 2128 | } |
| 2129 | return NS_ERROR_NULL_POINTER; |
| 2130 | } |
| 2131 | |
| 2132 | bool nsHTMLCopyEncoder::IsRoot(nsINode* aNode) { |
| 2133 | nsCOMPtr<nsIContent> content = nsIContent::FromNodeOrNull(aNode); |
| 2134 | if (!content) { |
| 2135 | return false; |
| 2136 | } |
| 2137 | |
| 2138 | if (mIsTextWidget) { |
| 2139 | return content->IsHTMLElement(nsGkAtoms::div); |
| 2140 | } |
| 2141 | |
| 2142 | return content->IsAnyOfHTMLElements(nsGkAtoms::body, nsGkAtoms::td, |
| 2143 | nsGkAtoms::th); |
| 2144 | } |
| 2145 | |
| 2146 | bool nsHTMLCopyEncoder::IsFirstNode(nsINode* aNode) { |
| 2147 | // need to check if any nodes before us are really visible. |
| 2148 | // Mike wrote something for me along these lines in nsSelectionController, |
| 2149 | // but I don't think it's ready for use yet - revisit. |
| 2150 | // HACK: for now, simply consider all whitespace text nodes to be |
| 2151 | // invisible formatting nodes. |
| 2152 | for (nsIContent* sibling = aNode->GetPreviousSibling(); sibling; |
| 2153 | sibling = sibling->GetPreviousSibling()) { |
| 2154 | if (!sibling->TextIsOnlyWhitespace()) { |
| 2155 | return false; |
| 2156 | } |
| 2157 | } |
| 2158 | |
| 2159 | return true; |
| 2160 | } |
| 2161 | |
| 2162 | bool nsHTMLCopyEncoder::IsLastNode(nsINode* aNode) { |
| 2163 | // need to check if any nodes after us are really visible. |
| 2164 | // Mike wrote something for me along these lines in nsSelectionController, |
| 2165 | // but I don't think it's ready for use yet - revisit. |
| 2166 | // HACK: for now, simply consider all whitespace text nodes to be |
| 2167 | // invisible formatting nodes. |
| 2168 | for (nsIContent* sibling = aNode->GetNextSibling(); sibling; |
| 2169 | sibling = sibling->GetNextSibling()) { |
| 2170 | if (sibling->IsElement() && IsMozBR(sibling->AsElement())) { |
| 2171 | // we ignore trailing moz BRs. |
| 2172 | continue; |
| 2173 | } |
| 2174 | if (!sibling->TextIsOnlyWhitespace()) { |
| 2175 | return false; |
| 2176 | } |
| 2177 | } |
| 2178 | |
| 2179 | return true; |
| 2180 | } |
| 2181 | |
| 2182 | already_AddRefed<nsIDocumentEncoder> do_createHTMLCopyEncoder() { |
| 2183 | return do_AddRef(new nsHTMLCopyEncoder); |
| 2184 | } |
| 2185 | |
| 2186 | int32_t nsHTMLCopyEncoder::RangeNodeContext::GetImmediateContextCount( |
| 2187 | const nsTArray<nsINode*>& aAncestorArray) const { |
| 2188 | int32_t i = aAncestorArray.Length(), j = 0; |
| 2189 | while (j < i) { |
| 2190 | nsINode* node = aAncestorArray.ElementAt(j); |
| 2191 | if (!node) { |
| 2192 | break; |
| 2193 | } |
| 2194 | nsCOMPtr<nsIContent> content(nsIContent::FromNodeOrNull(node)); |
| 2195 | if (!content || !content->IsAnyOfHTMLElements( |
| 2196 | nsGkAtoms::tr, nsGkAtoms::thead, nsGkAtoms::tbody, |
| 2197 | nsGkAtoms::tfoot, nsGkAtoms::table)) { |
| 2198 | break; |
| 2199 | } |
| 2200 | ++j; |
| 2201 | } |
| 2202 | return j; |
| 2203 | } |