File: | root/firefox-clang/intl/icu/source/i18n/rbnf.cpp |
Warning: | line 833, column 17 Value stored to 'fmt_tag' during its initialization is never read |
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1 | // © 2016 and later: Unicode, Inc. and others. |
2 | // License & terms of use: http://www.unicode.org/copyright.html |
3 | /* |
4 | ******************************************************************************* |
5 | * Copyright (C) 1997-2015, International Business Machines Corporation |
6 | * and others. All Rights Reserved. |
7 | ******************************************************************************* |
8 | */ |
9 | |
10 | #include "unicode/utypes.h" |
11 | #include "utypeinfo.h" // for 'typeid' to work |
12 | |
13 | #include "unicode/rbnf.h" |
14 | |
15 | #if U_HAVE_RBNF1 |
16 | |
17 | #include "unicode/normlzr.h" |
18 | #include "unicode/plurfmt.h" |
19 | #include "unicode/tblcoll.h" |
20 | #include "unicode/uchar.h" |
21 | #include "unicode/ucol.h" |
22 | #include "unicode/uloc.h" |
23 | #include "unicode/unum.h" |
24 | #include "unicode/ures.h" |
25 | #include "unicode/ustring.h" |
26 | #include "unicode/utf16.h" |
27 | #include "unicode/udata.h" |
28 | #include "unicode/udisplaycontext.h" |
29 | #include "unicode/brkiter.h" |
30 | #include "unicode/ucasemap.h" |
31 | |
32 | #include "cmemory.h" |
33 | #include "cstring.h" |
34 | #include "patternprops.h" |
35 | #include "uresimp.h" |
36 | #include "nfrs.h" |
37 | #include "number_decimalquantity.h" |
38 | |
39 | // debugging |
40 | // #define RBNF_DEBUG |
41 | |
42 | #ifdef RBNF_DEBUG |
43 | #include <stdio.h> |
44 | #endif |
45 | |
46 | #define U_ICUDATA_RBNF"icudt" "77" "l" "-" "rbnf" U_ICUDATA_NAME"icudt" "77" "l" U_TREE_SEPARATOR_STRING"-" "rbnf" |
47 | |
48 | static const char16_t gPercentPercent[] = |
49 | { |
50 | 0x25, 0x25, 0 |
51 | }; /* "%%" */ |
52 | |
53 | // All urbnf objects are created through openRules, so we init all of the |
54 | // Unicode string constants required by rbnf, nfrs, or nfr here. |
55 | static const char16_t gLenientParse[] = |
56 | { |
57 | 0x25, 0x25, 0x6C, 0x65, 0x6E, 0x69, 0x65, 0x6E, 0x74, 0x2D, 0x70, 0x61, 0x72, 0x73, 0x65, 0x3A, 0 |
58 | }; /* "%%lenient-parse:" */ |
59 | static const char16_t gSemiColon = 0x003B; |
60 | static const char16_t gSemiPercent[] = |
61 | { |
62 | 0x3B, 0x25, 0 |
63 | }; /* ";%" */ |
64 | |
65 | #define kSomeNumberOfBitsDiv222 22 |
66 | #define kHalfMaxDouble(double)(1 << 22) (double)(1 << kSomeNumberOfBitsDiv222) |
67 | #define kMaxDouble((double)(1 << 22) * (double)(1 << 22)) (kHalfMaxDouble(double)(1 << 22) * kHalfMaxDouble(double)(1 << 22)) |
68 | |
69 | U_NAMESPACE_BEGINnamespace icu_77 { |
70 | |
71 | using number::impl::DecimalQuantity; |
72 | |
73 | UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RuleBasedNumberFormat)UClassID RuleBasedNumberFormat::getStaticClassID() { static char classID = 0; return (UClassID)&classID; } UClassID RuleBasedNumberFormat ::getDynamicClassID() const { return RuleBasedNumberFormat::getStaticClassID (); } |
74 | |
75 | /* |
76 | This is a utility class. It does not use ICU's RTTI. |
77 | If ICU's RTTI is needed again, you can uncomment the RTTI code and derive from UObject. |
78 | Please make sure that intltest passes on Windows in Release mode, |
79 | since the string pooling per compilation unit will mess up how RTTI works. |
80 | The RTTI code was also removed due to lack of code coverage. |
81 | */ |
82 | class LocalizationInfo : public UMemory { |
83 | protected: |
84 | virtual ~LocalizationInfo(); |
85 | uint32_t refcount; |
86 | |
87 | public: |
88 | LocalizationInfo() : refcount(0) {} |
89 | |
90 | LocalizationInfo* ref() { |
91 | ++refcount; |
92 | return this; |
93 | } |
94 | |
95 | LocalizationInfo* unref() { |
96 | if (refcount && --refcount == 0) { |
97 | delete this; |
98 | } |
99 | return nullptr; |
100 | } |
101 | |
102 | virtual bool operator==(const LocalizationInfo* rhs) const; |
103 | inline bool operator!=(const LocalizationInfo* rhs) const { return !operator==(rhs); } |
104 | |
105 | virtual int32_t getNumberOfRuleSets() const = 0; |
106 | virtual const char16_t* getRuleSetName(int32_t index) const = 0; |
107 | virtual int32_t getNumberOfDisplayLocales() const = 0; |
108 | virtual const char16_t* getLocaleName(int32_t index) const = 0; |
109 | virtual const char16_t* getDisplayName(int32_t localeIndex, int32_t ruleIndex) const = 0; |
110 | |
111 | virtual int32_t indexForLocale(const char16_t* locale) const; |
112 | virtual int32_t indexForRuleSet(const char16_t* ruleset) const; |
113 | |
114 | // virtual UClassID getDynamicClassID() const = 0; |
115 | // static UClassID getStaticClassID(); |
116 | }; |
117 | |
118 | LocalizationInfo::~LocalizationInfo() {} |
119 | |
120 | //UOBJECT_DEFINE_ABSTRACT_RTTI_IMPLEMENTATION(LocalizationInfo) |
121 | |
122 | // if both strings are nullptr, this returns true |
123 | static UBool |
124 | streq(const char16_t* lhs, const char16_t* rhs) { |
125 | if (rhs == lhs) { |
126 | return true; |
127 | } |
128 | if (lhs && rhs) { |
129 | return u_strcmpu_strcmp_77(lhs, rhs) == 0; |
130 | } |
131 | return false; |
132 | } |
133 | |
134 | bool |
135 | LocalizationInfo::operator==(const LocalizationInfo* rhs) const { |
136 | if (rhs) { |
137 | if (this == rhs) { |
138 | return true; |
139 | } |
140 | |
141 | int32_t rsc = getNumberOfRuleSets(); |
142 | if (rsc == rhs->getNumberOfRuleSets()) { |
143 | for (int i = 0; i < rsc; ++i) { |
144 | if (!streq(getRuleSetName(i), rhs->getRuleSetName(i))) { |
145 | return false; |
146 | } |
147 | } |
148 | int32_t dlc = getNumberOfDisplayLocales(); |
149 | if (dlc == rhs->getNumberOfDisplayLocales()) { |
150 | for (int i = 0; i < dlc; ++i) { |
151 | const char16_t* locale = getLocaleName(i); |
152 | int32_t ix = rhs->indexForLocale(locale); |
153 | // if no locale, ix is -1, getLocaleName returns null, so streq returns false |
154 | if (!streq(locale, rhs->getLocaleName(ix))) { |
155 | return false; |
156 | } |
157 | for (int j = 0; j < rsc; ++j) { |
158 | if (!streq(getDisplayName(i, j), rhs->getDisplayName(ix, j))) { |
159 | return false; |
160 | } |
161 | } |
162 | } |
163 | return true; |
164 | } |
165 | } |
166 | } |
167 | return false; |
168 | } |
169 | |
170 | int32_t |
171 | LocalizationInfo::indexForLocale(const char16_t* locale) const { |
172 | for (int i = 0; i < getNumberOfDisplayLocales(); ++i) { |
173 | if (streq(locale, getLocaleName(i))) { |
174 | return i; |
175 | } |
176 | } |
177 | return -1; |
178 | } |
179 | |
180 | int32_t |
181 | LocalizationInfo::indexForRuleSet(const char16_t* ruleset) const { |
182 | if (ruleset) { |
183 | for (int i = 0; i < getNumberOfRuleSets(); ++i) { |
184 | if (streq(ruleset, getRuleSetName(i))) { |
185 | return i; |
186 | } |
187 | } |
188 | } |
189 | return -1; |
190 | } |
191 | |
192 | |
193 | typedef void (*Fn_Deleter)(void*); |
194 | |
195 | class VArray { |
196 | void** buf; |
197 | int32_t cap; |
198 | int32_t size; |
199 | Fn_Deleter deleter; |
200 | public: |
201 | VArray() : buf(nullptr), cap(0), size(0), deleter(nullptr) {} |
202 | |
203 | VArray(Fn_Deleter del) : buf(nullptr), cap(0), size(0), deleter(del) {} |
204 | |
205 | ~VArray() { |
206 | if (deleter) { |
207 | for (int i = 0; i < size; ++i) { |
208 | (*deleter)(buf[i]); |
209 | } |
210 | } |
211 | uprv_freeuprv_free_77(buf); |
212 | } |
213 | |
214 | int32_t length() { |
215 | return size; |
216 | } |
217 | |
218 | void add(void* elem, UErrorCode& status) { |
219 | if (U_SUCCESS(status)) { |
220 | if (size == cap) { |
221 | if (cap == 0) { |
222 | cap = 1; |
223 | } else if (cap < 256) { |
224 | cap *= 2; |
225 | } else { |
226 | cap += 256; |
227 | } |
228 | if (buf == nullptr) { |
229 | buf = static_cast<void**>(uprv_mallocuprv_malloc_77(cap * sizeof(void*))); |
230 | } else { |
231 | buf = static_cast<void**>(uprv_reallocuprv_realloc_77(buf, cap * sizeof(void*))); |
232 | } |
233 | if (buf == nullptr) { |
234 | // if we couldn't realloc, we leak the memory we've already allocated, but we're in deep trouble anyway |
235 | status = U_MEMORY_ALLOCATION_ERROR; |
236 | return; |
237 | } |
238 | void* start = &buf[size]; |
239 | size_t count = (cap - size) * sizeof(void*); |
240 | uprv_memset(start, 0, count):: memset(start, 0, count); // fill with nulls, just because |
241 | } |
242 | buf[size++] = elem; |
243 | } |
244 | } |
245 | |
246 | void** release() { |
247 | void** result = buf; |
248 | buf = nullptr; |
249 | cap = 0; |
250 | size = 0; |
251 | return result; |
252 | } |
253 | }; |
254 | |
255 | class LocDataParser; |
256 | |
257 | class StringLocalizationInfo : public LocalizationInfo { |
258 | char16_t* info; |
259 | char16_t*** data; |
260 | int32_t numRuleSets; |
261 | int32_t numLocales; |
262 | |
263 | friend class LocDataParser; |
264 | |
265 | StringLocalizationInfo(char16_t* i, char16_t*** d, int32_t numRS, int32_t numLocs) |
266 | : info(i), data(d), numRuleSets(numRS), numLocales(numLocs) |
267 | { |
268 | } |
269 | |
270 | public: |
271 | static StringLocalizationInfo* create(const UnicodeString& info, UParseError& perror, UErrorCode& status); |
272 | |
273 | virtual ~StringLocalizationInfo(); |
274 | virtual int32_t getNumberOfRuleSets() const override { return numRuleSets; } |
275 | virtual const char16_t* getRuleSetName(int32_t index) const override; |
276 | virtual int32_t getNumberOfDisplayLocales() const override { return numLocales; } |
277 | virtual const char16_t* getLocaleName(int32_t index) const override; |
278 | virtual const char16_t* getDisplayName(int32_t localeIndex, int32_t ruleIndex) const override; |
279 | |
280 | // virtual UClassID getDynamicClassID() const; |
281 | // static UClassID getStaticClassID(); |
282 | |
283 | private: |
284 | void init(UErrorCode& status) const; |
285 | }; |
286 | |
287 | |
288 | enum { |
289 | OPEN_ANGLE = 0x003c, /* '<' */ |
290 | CLOSE_ANGLE = 0x003e, /* '>' */ |
291 | COMMA = 0x002c, |
292 | TICK = 0x0027, |
293 | QUOTE = 0x0022, |
294 | SPACE = 0x0020 |
295 | }; |
296 | |
297 | /** |
298 | * Utility for parsing a localization string and returning a StringLocalizationInfo*. |
299 | */ |
300 | class LocDataParser { |
301 | char16_t* data; |
302 | const char16_t* e; |
303 | char16_t* p; |
304 | char16_t ch; |
305 | UParseError& pe; |
306 | UErrorCode& ec; |
307 | |
308 | public: |
309 | LocDataParser(UParseError& parseError, UErrorCode& status) |
310 | : data(nullptr), e(nullptr), p(nullptr), ch(0xffff), pe(parseError), ec(status) {} |
311 | ~LocDataParser() {} |
312 | |
313 | /* |
314 | * On a successful parse, return a StringLocalizationInfo*, otherwise delete locData, set perror and status, |
315 | * and return nullptr. The StringLocalizationInfo will adopt locData if it is created. |
316 | */ |
317 | StringLocalizationInfo* parse(char16_t* data, int32_t len); |
318 | |
319 | private: |
320 | |
321 | inline void inc() { |
322 | ++p; |
323 | ch = 0xffff; |
324 | } |
325 | inline UBool checkInc(char16_t c) { |
326 | if (p < e && (ch == c || *p == c)) { |
327 | inc(); |
328 | return true; |
329 | } |
330 | return false; |
331 | } |
332 | inline UBool check(char16_t c) { |
333 | return p < e && (ch == c || *p == c); |
334 | } |
335 | inline void skipWhitespace() { |
336 | while (p < e && PatternProps::isWhiteSpace(ch != 0xffff ? ch : *p)) { |
337 | inc(); |
338 | } |
339 | } |
340 | inline UBool inList(char16_t c, const char16_t* list) const { |
341 | if (*list == SPACE && PatternProps::isWhiteSpace(c)) { |
342 | return true; |
343 | } |
344 | while (*list && *list != c) { |
345 | ++list; |
346 | } |
347 | return *list == c; |
348 | } |
349 | void parseError(const char* msg); |
350 | |
351 | StringLocalizationInfo* doParse(); |
352 | |
353 | char16_t** nextArray(int32_t& requiredLength); |
354 | char16_t* nextString(); |
355 | }; |
356 | |
357 | #ifdef RBNF_DEBUG |
358 | #define ERROR(msg)do { parseError(nullptr); return nullptr; } while (false) UPRV_BLOCK_MACRO_BEGINdo { \ |
359 | parseError(msg); \ |
360 | return nullptr; \ |
361 | } UPRV_BLOCK_MACRO_ENDwhile (false) |
362 | #define EXPLANATION_ARG explanationArg |
363 | #else |
364 | #define ERROR(msg)do { parseError(nullptr); return nullptr; } while (false) UPRV_BLOCK_MACRO_BEGINdo { \ |
365 | parseError(nullptr); \ |
366 | return nullptr; \ |
367 | } UPRV_BLOCK_MACRO_ENDwhile (false) |
368 | #define EXPLANATION_ARG |
369 | #endif |
370 | |
371 | |
372 | static const char16_t DQUOTE_STOPLIST[] = { |
373 | QUOTE, 0 |
374 | }; |
375 | |
376 | static const char16_t SQUOTE_STOPLIST[] = { |
377 | TICK, 0 |
378 | }; |
379 | |
380 | static const char16_t NOQUOTE_STOPLIST[] = { |
381 | SPACE, COMMA, CLOSE_ANGLE, OPEN_ANGLE, TICK, QUOTE, 0 |
382 | }; |
383 | |
384 | static void |
385 | DeleteFn(void* p) { |
386 | uprv_freeuprv_free_77(p); |
387 | } |
388 | |
389 | StringLocalizationInfo* |
390 | LocDataParser::parse(char16_t* _data, int32_t len) { |
391 | if (U_FAILURE(ec)) { |
392 | if (_data) uprv_freeuprv_free_77(_data); |
393 | return nullptr; |
394 | } |
395 | |
396 | pe.line = 0; |
397 | pe.offset = -1; |
398 | pe.postContext[0] = 0; |
399 | pe.preContext[0] = 0; |
400 | |
401 | if (_data == nullptr) { |
402 | ec = U_ILLEGAL_ARGUMENT_ERROR; |
403 | return nullptr; |
404 | } |
405 | |
406 | if (len <= 0) { |
407 | ec = U_ILLEGAL_ARGUMENT_ERROR; |
408 | uprv_freeuprv_free_77(_data); |
409 | return nullptr; |
410 | } |
411 | |
412 | data = _data; |
413 | e = data + len; |
414 | p = _data; |
415 | ch = 0xffff; |
416 | |
417 | return doParse(); |
418 | } |
419 | |
420 | |
421 | StringLocalizationInfo* |
422 | LocDataParser::doParse() { |
423 | skipWhitespace(); |
424 | if (!checkInc(OPEN_ANGLE)) { |
425 | ERROR("Missing open angle")do { parseError(nullptr); return nullptr; } while (false); |
426 | } else { |
427 | VArray array(DeleteFn); |
428 | UBool mightHaveNext = true; |
429 | int32_t requiredLength = -1; |
430 | while (mightHaveNext) { |
431 | mightHaveNext = false; |
432 | char16_t** elem = nextArray(requiredLength); |
433 | skipWhitespace(); |
434 | UBool haveComma = check(COMMA); |
435 | if (elem) { |
436 | array.add(elem, ec); |
437 | if (haveComma) { |
438 | inc(); |
439 | mightHaveNext = true; |
440 | } |
441 | } else if (haveComma) { |
442 | ERROR("Unexpected character")do { parseError(nullptr); return nullptr; } while (false); |
443 | } |
444 | } |
445 | |
446 | skipWhitespace(); |
447 | if (!checkInc(CLOSE_ANGLE)) { |
448 | if (check(OPEN_ANGLE)) { |
449 | ERROR("Missing comma in outer array")do { parseError(nullptr); return nullptr; } while (false); |
450 | } else { |
451 | ERROR("Missing close angle bracket in outer array")do { parseError(nullptr); return nullptr; } while (false); |
452 | } |
453 | } |
454 | |
455 | skipWhitespace(); |
456 | if (p != e) { |
457 | ERROR("Extra text after close of localization data")do { parseError(nullptr); return nullptr; } while (false); |
458 | } |
459 | |
460 | array.add(nullptr, ec); |
461 | if (U_SUCCESS(ec)) { |
462 | int32_t numLocs = array.length() - 2; // subtract first, nullptr |
463 | char16_t*** result = reinterpret_cast<char16_t***>(array.release()); |
464 | |
465 | return new StringLocalizationInfo(data, result, requiredLength-2, numLocs); // subtract first, nullptr |
466 | } |
467 | } |
468 | |
469 | ERROR("Unknown error")do { parseError(nullptr); return nullptr; } while (false); |
470 | } |
471 | |
472 | char16_t** |
473 | LocDataParser::nextArray(int32_t& requiredLength) { |
474 | if (U_FAILURE(ec)) { |
475 | return nullptr; |
476 | } |
477 | |
478 | skipWhitespace(); |
479 | if (!checkInc(OPEN_ANGLE)) { |
480 | ERROR("Missing open angle")do { parseError(nullptr); return nullptr; } while (false); |
481 | } |
482 | |
483 | VArray array; |
484 | UBool mightHaveNext = true; |
485 | while (mightHaveNext) { |
486 | mightHaveNext = false; |
487 | char16_t* elem = nextString(); |
488 | skipWhitespace(); |
489 | UBool haveComma = check(COMMA); |
490 | if (elem) { |
491 | array.add(elem, ec); |
492 | if (haveComma) { |
493 | inc(); |
494 | mightHaveNext = true; |
495 | } |
496 | } else if (haveComma) { |
497 | ERROR("Unexpected comma")do { parseError(nullptr); return nullptr; } while (false); |
498 | } |
499 | } |
500 | skipWhitespace(); |
501 | if (!checkInc(CLOSE_ANGLE)) { |
502 | if (check(OPEN_ANGLE)) { |
503 | ERROR("Missing close angle bracket in inner array")do { parseError(nullptr); return nullptr; } while (false); |
504 | } else { |
505 | ERROR("Missing comma in inner array")do { parseError(nullptr); return nullptr; } while (false); |
506 | } |
507 | } |
508 | |
509 | array.add(nullptr, ec); |
510 | if (U_SUCCESS(ec)) { |
511 | if (requiredLength == -1) { |
512 | requiredLength = array.length() + 1; |
513 | } else if (array.length() != requiredLength) { |
514 | ec = U_ILLEGAL_ARGUMENT_ERROR; |
515 | ERROR("Array not of required length")do { parseError(nullptr); return nullptr; } while (false); |
516 | } |
517 | |
518 | return reinterpret_cast<char16_t**>(array.release()); |
519 | } |
520 | ERROR("Unknown Error")do { parseError(nullptr); return nullptr; } while (false); |
521 | } |
522 | |
523 | char16_t* |
524 | LocDataParser::nextString() { |
525 | char16_t* result = nullptr; |
526 | |
527 | skipWhitespace(); |
528 | if (p < e) { |
529 | const char16_t* terminators; |
530 | char16_t c = *p; |
531 | UBool haveQuote = c == QUOTE || c == TICK; |
532 | if (haveQuote) { |
533 | inc(); |
534 | terminators = c == QUOTE ? DQUOTE_STOPLIST : SQUOTE_STOPLIST; |
535 | } else { |
536 | terminators = NOQUOTE_STOPLIST; |
537 | } |
538 | char16_t* start = p; |
539 | while (p < e && !inList(*p, terminators)) ++p; |
540 | if (p == e) { |
541 | ERROR("Unexpected end of data")do { parseError(nullptr); return nullptr; } while (false); |
542 | } |
543 | |
544 | char16_t x = *p; |
545 | if (p > start) { |
546 | ch = x; |
547 | *p = 0x0; // terminate by writing to data |
548 | result = start; // just point into data |
549 | } |
550 | if (haveQuote) { |
551 | if (x != c) { |
552 | ERROR("Missing matching quote")do { parseError(nullptr); return nullptr; } while (false); |
553 | } else if (p == start) { |
554 | ERROR("Empty string")do { parseError(nullptr); return nullptr; } while (false); |
555 | } |
556 | inc(); |
557 | } else if (x == OPEN_ANGLE || x == TICK || x == QUOTE) { |
558 | ERROR("Unexpected character in string")do { parseError(nullptr); return nullptr; } while (false); |
559 | } |
560 | } |
561 | |
562 | // ok for there to be no next string |
563 | return result; |
564 | } |
565 | |
566 | void LocDataParser::parseError(const char* EXPLANATION_ARG) |
567 | { |
568 | if (!data) { |
569 | return; |
570 | } |
571 | |
572 | const char16_t* start = p - U_PARSE_CONTEXT_LEN - 1; |
573 | if (start < data) { |
574 | start = data; |
575 | } |
576 | for (char16_t* x = p; --x >= start;) { |
577 | if (!*x) { |
578 | start = x+1; |
579 | break; |
580 | } |
581 | } |
582 | const char16_t* limit = p + U_PARSE_CONTEXT_LEN - 1; |
583 | if (limit > e) { |
584 | limit = e; |
585 | } |
586 | u_strncpyu_strncpy_77(pe.preContext, start, static_cast<int32_t>(p - start)); |
587 | pe.preContext[p-start] = 0; |
588 | u_strncpyu_strncpy_77(pe.postContext, p, static_cast<int32_t>(limit - p)); |
589 | pe.postContext[limit-p] = 0; |
590 | pe.offset = static_cast<int32_t>(p - data); |
591 | |
592 | #ifdef RBNF_DEBUG |
593 | fprintf(stderrstderr, "%s at or near character %ld: ", EXPLANATION_ARG, p-data); |
594 | |
595 | UnicodeString msg; |
596 | msg.append(start, p - start); |
597 | msg.append((char16_t)0x002f); /* SOLIDUS/SLASH */ |
598 | msg.append(p, limit-p); |
599 | msg.append(UNICODE_STRING_SIMPLE("'")icu::UnicodeString(true, u"'", -1)); |
600 | |
601 | char buf[128]; |
602 | int32_t len = msg.extract(0, msg.length(), buf, 128); |
603 | if (len >= 128) { |
604 | buf[127] = 0; |
605 | } else { |
606 | buf[len] = 0; |
607 | } |
608 | fprintf(stderrstderr, "%s\n", buf); |
609 | fflush(stderrstderr); |
610 | #endif |
611 | |
612 | uprv_freeuprv_free_77(data); |
613 | data = nullptr; |
614 | p = nullptr; |
615 | e = nullptr; |
616 | |
617 | if (U_SUCCESS(ec)) { |
618 | ec = U_PARSE_ERROR; |
619 | } |
620 | } |
621 | |
622 | //UOBJECT_DEFINE_RTTI_IMPLEMENTATION(StringLocalizationInfo) |
623 | |
624 | StringLocalizationInfo* |
625 | StringLocalizationInfo::create(const UnicodeString& info, UParseError& perror, UErrorCode& status) { |
626 | if (U_FAILURE(status)) { |
627 | return nullptr; |
628 | } |
629 | |
630 | int32_t len = info.length(); |
631 | if (len == 0) { |
632 | return nullptr; // no error; |
633 | } |
634 | |
635 | char16_t* p = static_cast<char16_t*>(uprv_mallocuprv_malloc_77(len * sizeof(char16_t))); |
636 | if (!p) { |
637 | status = U_MEMORY_ALLOCATION_ERROR; |
638 | return nullptr; |
639 | } |
640 | info.extract(p, len, status); |
641 | if (!U_FAILURE(status)) { |
642 | status = U_ZERO_ERROR; // clear warning about non-termination |
643 | } |
644 | |
645 | LocDataParser parser(perror, status); |
646 | return parser.parse(p, len); |
647 | } |
648 | |
649 | StringLocalizationInfo::~StringLocalizationInfo() { |
650 | for (char16_t*** p = data; *p; ++p) { |
651 | // remaining data is simply pointer into our unicode string data. |
652 | if (*p) uprv_freeuprv_free_77(*p); |
653 | } |
654 | if (data) uprv_freeuprv_free_77(data); |
655 | if (info) uprv_freeuprv_free_77(info); |
656 | } |
657 | |
658 | |
659 | const char16_t* |
660 | StringLocalizationInfo::getRuleSetName(int32_t index) const { |
661 | if (index >= 0 && index < getNumberOfRuleSets()) { |
662 | return data[0][index]; |
663 | } |
664 | return nullptr; |
665 | } |
666 | |
667 | const char16_t* |
668 | StringLocalizationInfo::getLocaleName(int32_t index) const { |
669 | if (index >= 0 && index < getNumberOfDisplayLocales()) { |
670 | return data[index+1][0]; |
671 | } |
672 | return nullptr; |
673 | } |
674 | |
675 | const char16_t* |
676 | StringLocalizationInfo::getDisplayName(int32_t localeIndex, int32_t ruleIndex) const { |
677 | if (localeIndex >= 0 && localeIndex < getNumberOfDisplayLocales() && |
678 | ruleIndex >= 0 && ruleIndex < getNumberOfRuleSets()) { |
679 | return data[localeIndex+1][ruleIndex+1]; |
680 | } |
681 | return nullptr; |
682 | } |
683 | |
684 | // ---------- |
685 | |
686 | RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, |
687 | const UnicodeString& locs, |
688 | const Locale& alocale, UParseError& perror, UErrorCode& status) |
689 | : fRuleSets(nullptr) |
690 | , ruleSetDescriptions(nullptr) |
691 | , numRuleSets(0) |
692 | , defaultRuleSet(nullptr) |
693 | , locale(alocale) |
694 | , collator(nullptr) |
695 | , decimalFormatSymbols(nullptr) |
696 | , defaultInfinityRule(nullptr) |
697 | , defaultNaNRule(nullptr) |
698 | , fRoundingMode(DecimalFormat::ERoundingMode::kRoundUnnecessary) |
699 | , lenient(false) |
700 | , lenientParseRules(nullptr) |
701 | , localizations(nullptr) |
702 | , capitalizationInfoSet(false) |
703 | , capitalizationForUIListMenu(false) |
704 | , capitalizationForStandAlone(false) |
705 | , capitalizationBrkIter(nullptr) |
706 | { |
707 | LocalizationInfo* locinfo = StringLocalizationInfo::create(locs, perror, status); |
708 | init(description, locinfo, perror, status); |
709 | } |
710 | |
711 | RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, |
712 | const UnicodeString& locs, |
713 | UParseError& perror, UErrorCode& status) |
714 | : fRuleSets(nullptr) |
715 | , ruleSetDescriptions(nullptr) |
716 | , numRuleSets(0) |
717 | , defaultRuleSet(nullptr) |
718 | , locale(Locale::getDefault()) |
719 | , collator(nullptr) |
720 | , decimalFormatSymbols(nullptr) |
721 | , defaultInfinityRule(nullptr) |
722 | , defaultNaNRule(nullptr) |
723 | , fRoundingMode(DecimalFormat::ERoundingMode::kRoundUnnecessary) |
724 | , lenient(false) |
725 | , lenientParseRules(nullptr) |
726 | , localizations(nullptr) |
727 | , capitalizationInfoSet(false) |
728 | , capitalizationForUIListMenu(false) |
729 | , capitalizationForStandAlone(false) |
730 | , capitalizationBrkIter(nullptr) |
731 | { |
732 | LocalizationInfo* locinfo = StringLocalizationInfo::create(locs, perror, status); |
733 | init(description, locinfo, perror, status); |
734 | } |
735 | |
736 | RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, |
737 | LocalizationInfo* info, |
738 | const Locale& alocale, UParseError& perror, UErrorCode& status) |
739 | : fRuleSets(nullptr) |
740 | , ruleSetDescriptions(nullptr) |
741 | , numRuleSets(0) |
742 | , defaultRuleSet(nullptr) |
743 | , locale(alocale) |
744 | , collator(nullptr) |
745 | , decimalFormatSymbols(nullptr) |
746 | , defaultInfinityRule(nullptr) |
747 | , defaultNaNRule(nullptr) |
748 | , fRoundingMode(DecimalFormat::ERoundingMode::kRoundUnnecessary) |
749 | , lenient(false) |
750 | , lenientParseRules(nullptr) |
751 | , localizations(nullptr) |
752 | , capitalizationInfoSet(false) |
753 | , capitalizationForUIListMenu(false) |
754 | , capitalizationForStandAlone(false) |
755 | , capitalizationBrkIter(nullptr) |
756 | { |
757 | init(description, info, perror, status); |
758 | } |
759 | |
760 | RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, |
761 | UParseError& perror, |
762 | UErrorCode& status) |
763 | : fRuleSets(nullptr) |
764 | , ruleSetDescriptions(nullptr) |
765 | , numRuleSets(0) |
766 | , defaultRuleSet(nullptr) |
767 | , locale(Locale::getDefault()) |
768 | , collator(nullptr) |
769 | , decimalFormatSymbols(nullptr) |
770 | , defaultInfinityRule(nullptr) |
771 | , defaultNaNRule(nullptr) |
772 | , fRoundingMode(DecimalFormat::ERoundingMode::kRoundUnnecessary) |
773 | , lenient(false) |
774 | , lenientParseRules(nullptr) |
775 | , localizations(nullptr) |
776 | , capitalizationInfoSet(false) |
777 | , capitalizationForUIListMenu(false) |
778 | , capitalizationForStandAlone(false) |
779 | , capitalizationBrkIter(nullptr) |
780 | { |
781 | init(description, nullptr, perror, status); |
782 | } |
783 | |
784 | RuleBasedNumberFormat::RuleBasedNumberFormat(const UnicodeString& description, |
785 | const Locale& aLocale, |
786 | UParseError& perror, |
787 | UErrorCode& status) |
788 | : fRuleSets(nullptr) |
789 | , ruleSetDescriptions(nullptr) |
790 | , numRuleSets(0) |
791 | , defaultRuleSet(nullptr) |
792 | , locale(aLocale) |
793 | , collator(nullptr) |
794 | , decimalFormatSymbols(nullptr) |
795 | , defaultInfinityRule(nullptr) |
796 | , defaultNaNRule(nullptr) |
797 | , fRoundingMode(DecimalFormat::ERoundingMode::kRoundUnnecessary) |
798 | , lenient(false) |
799 | , lenientParseRules(nullptr) |
800 | , localizations(nullptr) |
801 | , capitalizationInfoSet(false) |
802 | , capitalizationForUIListMenu(false) |
803 | , capitalizationForStandAlone(false) |
804 | , capitalizationBrkIter(nullptr) |
805 | { |
806 | init(description, nullptr, perror, status); |
807 | } |
808 | |
809 | RuleBasedNumberFormat::RuleBasedNumberFormat(URBNFRuleSetTag tag, const Locale& alocale, UErrorCode& status) |
810 | : fRuleSets(nullptr) |
811 | , ruleSetDescriptions(nullptr) |
812 | , numRuleSets(0) |
813 | , defaultRuleSet(nullptr) |
814 | , locale(alocale) |
815 | , collator(nullptr) |
816 | , decimalFormatSymbols(nullptr) |
817 | , defaultInfinityRule(nullptr) |
818 | , defaultNaNRule(nullptr) |
819 | , fRoundingMode(DecimalFormat::ERoundingMode::kRoundUnnecessary) |
820 | , lenient(false) |
821 | , lenientParseRules(nullptr) |
822 | , localizations(nullptr) |
823 | , capitalizationInfoSet(false) |
824 | , capitalizationForUIListMenu(false) |
825 | , capitalizationForStandAlone(false) |
826 | , capitalizationBrkIter(nullptr) |
827 | { |
828 | if (U_FAILURE(status)) { |
829 | return; |
830 | } |
831 | |
832 | const char* rules_tag = "RBNFRules"; |
833 | const char* fmt_tag = ""; |
Value stored to 'fmt_tag' during its initialization is never read | |
834 | switch (tag) { |
835 | case URBNF_SPELLOUT: fmt_tag = "SpelloutRules"; break; |
836 | case URBNF_ORDINAL: fmt_tag = "OrdinalRules"; break; |
837 | case URBNF_DURATION: fmt_tag = "DurationRules"; break; |
838 | case URBNF_NUMBERING_SYSTEM: fmt_tag = "NumberingSystemRules"; break; |
839 | default: status = U_ILLEGAL_ARGUMENT_ERROR; return; |
840 | } |
841 | |
842 | // TODO: read localization info from resource |
843 | LocalizationInfo* locinfo = nullptr; |
844 | |
845 | UResourceBundle* nfrb = ures_openures_open_77(U_ICUDATA_RBNF"icudt" "77" "l" "-" "rbnf", locale.getName(), &status); |
846 | if (U_SUCCESS(status)) { |
847 | setLocaleIDs(ures_getLocaleByTypeures_getLocaleByType_77(nfrb, ULOC_VALID_LOCALE, &status), |
848 | ures_getLocaleByTypeures_getLocaleByType_77(nfrb, ULOC_ACTUAL_LOCALE, &status)); |
849 | |
850 | UResourceBundle* rbnfRules = ures_getByKeyWithFallbackures_getByKeyWithFallback_77(nfrb, rules_tag, nullptr, &status); |
851 | if (U_FAILURE(status)) { |
852 | ures_closeures_close_77(nfrb); |
853 | } |
854 | UResourceBundle* ruleSets = ures_getByKeyWithFallbackures_getByKeyWithFallback_77(rbnfRules, fmt_tag, nullptr, &status); |
855 | if (U_FAILURE(status)) { |
856 | ures_closeures_close_77(rbnfRules); |
857 | ures_closeures_close_77(nfrb); |
858 | return; |
859 | } |
860 | |
861 | UnicodeString desc; |
862 | while (ures_hasNextures_hasNext_77(ruleSets)) { |
863 | desc.append(ures_getNextUnicodeString(ruleSets,nullptr,&status)); |
864 | } |
865 | UParseError perror; |
866 | |
867 | init(desc, locinfo, perror, status); |
868 | |
869 | ures_closeures_close_77(ruleSets); |
870 | ures_closeures_close_77(rbnfRules); |
871 | } |
872 | ures_closeures_close_77(nfrb); |
873 | } |
874 | |
875 | RuleBasedNumberFormat::RuleBasedNumberFormat(const RuleBasedNumberFormat& rhs) |
876 | : NumberFormat(rhs) |
877 | , fRuleSets(nullptr) |
878 | , ruleSetDescriptions(nullptr) |
879 | , numRuleSets(0) |
880 | , defaultRuleSet(nullptr) |
881 | , locale(rhs.locale) |
882 | , collator(nullptr) |
883 | , decimalFormatSymbols(nullptr) |
884 | , defaultInfinityRule(nullptr) |
885 | , defaultNaNRule(nullptr) |
886 | , fRoundingMode(DecimalFormat::ERoundingMode::kRoundUnnecessary) |
887 | , lenient(false) |
888 | , lenientParseRules(nullptr) |
889 | , localizations(nullptr) |
890 | , capitalizationInfoSet(false) |
891 | , capitalizationForUIListMenu(false) |
892 | , capitalizationForStandAlone(false) |
893 | , capitalizationBrkIter(nullptr) |
894 | { |
895 | this->operator=(rhs); |
896 | } |
897 | |
898 | // -------- |
899 | |
900 | RuleBasedNumberFormat& |
901 | RuleBasedNumberFormat::operator=(const RuleBasedNumberFormat& rhs) |
902 | { |
903 | if (this == &rhs) { |
904 | return *this; |
905 | } |
906 | NumberFormat::operator=(rhs); |
907 | UErrorCode status = U_ZERO_ERROR; |
908 | dispose(); |
909 | locale = rhs.locale; |
910 | lenient = rhs.lenient; |
911 | |
912 | UParseError perror; |
913 | setDecimalFormatSymbols(*rhs.getDecimalFormatSymbols()); |
914 | init(rhs.originalDescription, rhs.localizations ? rhs.localizations->ref() : nullptr, perror, status); |
915 | setDefaultRuleSet(rhs.getDefaultRuleSetName(), status); |
916 | setRoundingMode(rhs.getRoundingMode()); |
917 | |
918 | capitalizationInfoSet = rhs.capitalizationInfoSet; |
919 | capitalizationForUIListMenu = rhs.capitalizationForUIListMenu; |
920 | capitalizationForStandAlone = rhs.capitalizationForStandAlone; |
921 | #if !UCONFIG_NO_BREAK_ITERATION1 |
922 | capitalizationBrkIter = (rhs.capitalizationBrkIter!=nullptr)? rhs.capitalizationBrkIter->clone(): nullptr; |
923 | #endif |
924 | |
925 | return *this; |
926 | } |
927 | |
928 | RuleBasedNumberFormat::~RuleBasedNumberFormat() |
929 | { |
930 | dispose(); |
931 | } |
932 | |
933 | RuleBasedNumberFormat* |
934 | RuleBasedNumberFormat::clone() const |
935 | { |
936 | return new RuleBasedNumberFormat(*this); |
937 | } |
938 | |
939 | bool |
940 | RuleBasedNumberFormat::operator==(const Format& other) const |
941 | { |
942 | if (this == &other) { |
943 | return true; |
944 | } |
945 | |
946 | if (typeid(*this) == typeid(other)) { |
947 | const RuleBasedNumberFormat& rhs = static_cast<const RuleBasedNumberFormat&>(other); |
948 | // test for capitalization info equality is adequately handled |
949 | // by the NumberFormat test for fCapitalizationContext equality; |
950 | // the info here is just derived from that. |
951 | if (locale == rhs.locale && |
952 | lenient == rhs.lenient && |
953 | (localizations == nullptr |
954 | ? rhs.localizations == nullptr |
955 | : (rhs.localizations == nullptr |
956 | ? false |
957 | : *localizations == rhs.localizations))) { |
958 | |
959 | NFRuleSet** p = fRuleSets; |
960 | NFRuleSet** q = rhs.fRuleSets; |
961 | if (p == nullptr) { |
962 | return q == nullptr; |
963 | } else if (q == nullptr) { |
964 | return false; |
965 | } |
966 | while (*p && *q && (**p == **q)) { |
967 | ++p; |
968 | ++q; |
969 | } |
970 | return *q == nullptr && *p == nullptr; |
971 | } |
972 | } |
973 | |
974 | return false; |
975 | } |
976 | |
977 | UnicodeString |
978 | RuleBasedNumberFormat::getRules() const |
979 | { |
980 | UnicodeString result; |
981 | if (fRuleSets != nullptr) { |
982 | for (NFRuleSet** p = fRuleSets; *p; ++p) { |
983 | (*p)->appendRules(result); |
984 | } |
985 | } |
986 | return result; |
987 | } |
988 | |
989 | UnicodeString |
990 | RuleBasedNumberFormat::getRuleSetName(int32_t index) const |
991 | { |
992 | if (localizations) { |
993 | UnicodeString string(true, localizations->getRuleSetName(index), static_cast<int32_t>(-1)); |
994 | return string; |
995 | } |
996 | else if (fRuleSets) { |
997 | UnicodeString result; |
998 | for (NFRuleSet** p = fRuleSets; *p; ++p) { |
999 | NFRuleSet* rs = *p; |
1000 | if (rs->isPublic()) { |
1001 | if (--index == -1) { |
1002 | rs->getName(result); |
1003 | return result; |
1004 | } |
1005 | } |
1006 | } |
1007 | } |
1008 | UnicodeString empty; |
1009 | return empty; |
1010 | } |
1011 | |
1012 | int32_t |
1013 | RuleBasedNumberFormat::getNumberOfRuleSetNames() const |
1014 | { |
1015 | int32_t result = 0; |
1016 | if (localizations) { |
1017 | result = localizations->getNumberOfRuleSets(); |
1018 | } |
1019 | else if (fRuleSets) { |
1020 | for (NFRuleSet** p = fRuleSets; *p; ++p) { |
1021 | if ((**p).isPublic()) { |
1022 | ++result; |
1023 | } |
1024 | } |
1025 | } |
1026 | return result; |
1027 | } |
1028 | |
1029 | int32_t |
1030 | RuleBasedNumberFormat::getNumberOfRuleSetDisplayNameLocales() const { |
1031 | if (localizations) { |
1032 | return localizations->getNumberOfDisplayLocales(); |
1033 | } |
1034 | return 0; |
1035 | } |
1036 | |
1037 | Locale |
1038 | RuleBasedNumberFormat::getRuleSetDisplayNameLocale(int32_t index, UErrorCode& status) const { |
1039 | if (U_FAILURE(status)) { |
1040 | return {""}; |
1041 | } |
1042 | if (localizations && index >= 0 && index < localizations->getNumberOfDisplayLocales()) { |
1043 | UnicodeString name(true, localizations->getLocaleName(index), -1); |
1044 | char buffer[64]; |
1045 | int32_t cap = name.length() + 1; |
1046 | char* bp = buffer; |
1047 | if (cap > 64) { |
1048 | bp = static_cast<char*>(uprv_mallocuprv_malloc_77(cap)); |
1049 | if (bp == nullptr) { |
1050 | status = U_MEMORY_ALLOCATION_ERROR; |
1051 | return {""}; |
1052 | } |
1053 | } |
1054 | name.extract(0, name.length(), bp, cap, UnicodeString::kInvariant); |
1055 | Locale retLocale(bp); |
1056 | if (bp != buffer) { |
1057 | uprv_freeuprv_free_77(bp); |
1058 | } |
1059 | return retLocale; |
1060 | } |
1061 | status = U_ILLEGAL_ARGUMENT_ERROR; |
1062 | Locale retLocale; |
1063 | return retLocale; |
1064 | } |
1065 | |
1066 | UnicodeString |
1067 | RuleBasedNumberFormat::getRuleSetDisplayName(int32_t index, const Locale& localeParam) { |
1068 | if (localizations && index >= 0 && index < localizations->getNumberOfRuleSets()) { |
1069 | UnicodeString localeName(localeParam.getBaseName(), -1, UnicodeString::kInvariant); |
1070 | int32_t len = localeName.length(); |
1071 | char16_t* localeStr = localeName.getBuffer(len + 1); |
1072 | while (len >= 0) { |
1073 | localeStr[len] = 0; |
1074 | int32_t ix = localizations->indexForLocale(localeStr); |
1075 | if (ix >= 0) { |
1076 | UnicodeString name(true, localizations->getDisplayName(ix, index), -1); |
1077 | return name; |
1078 | } |
1079 | |
1080 | // trim trailing portion, skipping over omitted sections |
1081 | do { --len;} while (len > 0 && localeStr[len] != 0x005f); // underscore |
1082 | while (len > 0 && localeStr[len-1] == 0x005F) --len; |
1083 | } |
1084 | UnicodeString name(true, localizations->getRuleSetName(index), -1); |
1085 | return name; |
1086 | } |
1087 | UnicodeString bogus; |
1088 | bogus.setToBogus(); |
1089 | return bogus; |
1090 | } |
1091 | |
1092 | UnicodeString |
1093 | RuleBasedNumberFormat::getRuleSetDisplayName(const UnicodeString& ruleSetName, const Locale& localeParam) { |
1094 | if (localizations) { |
1095 | UnicodeString rsn(ruleSetName); |
1096 | int32_t ix = localizations->indexForRuleSet(rsn.getTerminatedBuffer()); |
1097 | return getRuleSetDisplayName(ix, localeParam); |
1098 | } |
1099 | UnicodeString bogus; |
1100 | bogus.setToBogus(); |
1101 | return bogus; |
1102 | } |
1103 | |
1104 | NFRuleSet* |
1105 | RuleBasedNumberFormat::findRuleSet(const UnicodeString& name, UErrorCode& status) const |
1106 | { |
1107 | if (U_SUCCESS(status) && fRuleSets) { |
1108 | for (NFRuleSet** p = fRuleSets; *p; ++p) { |
1109 | NFRuleSet* rs = *p; |
1110 | if (rs->isNamed(name)) { |
1111 | return rs; |
1112 | } |
1113 | } |
1114 | status = U_ILLEGAL_ARGUMENT_ERROR; |
1115 | } |
1116 | return nullptr; |
1117 | } |
1118 | |
1119 | UnicodeString& |
1120 | RuleBasedNumberFormat::format(const DecimalQuantity &number, |
1121 | UnicodeString& appendTo, |
1122 | FieldPosition& pos, |
1123 | UErrorCode &status) const { |
1124 | if (U_FAILURE(status)) { |
1125 | return appendTo; |
1126 | } |
1127 | DecimalQuantity copy(number); |
1128 | if (copy.fitsInLong()) { |
1129 | format(number.toLong(), appendTo, pos, status); |
1130 | } |
1131 | else { |
1132 | copy.roundToMagnitude(0, number::impl::RoundingMode::UNUM_ROUND_HALFEVEN, status); |
1133 | if (copy.fitsInLong()) { |
1134 | format(number.toDouble(), appendTo, pos, status); |
1135 | } |
1136 | else { |
1137 | // We're outside of our normal range that this framework can handle. |
1138 | // The DecimalFormat will provide more accurate results. |
1139 | |
1140 | // TODO this section should probably be optimized. The DecimalFormat is shared in ICU4J. |
1141 | LocalPointer<NumberFormat> decimalFormat(NumberFormat::createInstance(locale, UNUM_DECIMAL, status), status); |
1142 | if (decimalFormat.isNull()) { |
1143 | return appendTo; |
1144 | } |
1145 | Formattable f; |
1146 | LocalPointer<DecimalQuantity> decimalQuantity(new DecimalQuantity(number), status); |
1147 | if (decimalQuantity.isNull()) { |
1148 | return appendTo; |
1149 | } |
1150 | f.adoptDecimalQuantity(decimalQuantity.orphan()); // f now owns decimalQuantity. |
1151 | decimalFormat->format(f, appendTo, pos, status); |
1152 | } |
1153 | } |
1154 | return appendTo; |
1155 | } |
1156 | |
1157 | UnicodeString& |
1158 | RuleBasedNumberFormat::format(int32_t number, |
1159 | UnicodeString& toAppendTo, |
1160 | FieldPosition& pos) const |
1161 | { |
1162 | return format(static_cast<int64_t>(number), toAppendTo, pos); |
1163 | } |
1164 | |
1165 | |
1166 | UnicodeString& |
1167 | RuleBasedNumberFormat::format(int64_t number, |
1168 | UnicodeString& toAppendTo, |
1169 | FieldPosition& /* pos */) const |
1170 | { |
1171 | if (defaultRuleSet) { |
1172 | UErrorCode status = U_ZERO_ERROR; |
1173 | format(number, defaultRuleSet, toAppendTo, status); |
1174 | } |
1175 | return toAppendTo; |
1176 | } |
1177 | |
1178 | |
1179 | UnicodeString& |
1180 | RuleBasedNumberFormat::format(double number, |
1181 | UnicodeString& toAppendTo, |
1182 | FieldPosition& /* pos */) const |
1183 | { |
1184 | UErrorCode status = U_ZERO_ERROR; |
1185 | if (defaultRuleSet) { |
1186 | format(number, *defaultRuleSet, toAppendTo, status); |
1187 | } |
1188 | return toAppendTo; |
1189 | } |
1190 | |
1191 | |
1192 | UnicodeString& |
1193 | RuleBasedNumberFormat::format(int32_t number, |
1194 | const UnicodeString& ruleSetName, |
1195 | UnicodeString& toAppendTo, |
1196 | FieldPosition& pos, |
1197 | UErrorCode& status) const |
1198 | { |
1199 | return format(static_cast<int64_t>(number), ruleSetName, toAppendTo, pos, status); |
1200 | } |
1201 | |
1202 | |
1203 | UnicodeString& |
1204 | RuleBasedNumberFormat::format(int64_t number, |
1205 | const UnicodeString& ruleSetName, |
1206 | UnicodeString& toAppendTo, |
1207 | FieldPosition& /* pos */, |
1208 | UErrorCode& status) const |
1209 | { |
1210 | if (U_SUCCESS(status)) { |
1211 | if (ruleSetName.indexOf(gPercentPercent, 2, 0) == 0) { |
1212 | // throw new IllegalArgumentException("Can't use internal rule set"); |
1213 | status = U_ILLEGAL_ARGUMENT_ERROR; |
1214 | } else { |
1215 | NFRuleSet *rs = findRuleSet(ruleSetName, status); |
1216 | if (rs) { |
1217 | format(number, rs, toAppendTo, status); |
1218 | } |
1219 | } |
1220 | } |
1221 | return toAppendTo; |
1222 | } |
1223 | |
1224 | |
1225 | UnicodeString& |
1226 | RuleBasedNumberFormat::format(double number, |
1227 | const UnicodeString& ruleSetName, |
1228 | UnicodeString& toAppendTo, |
1229 | FieldPosition& /* pos */, |
1230 | UErrorCode& status) const |
1231 | { |
1232 | if (U_SUCCESS(status)) { |
1233 | if (ruleSetName.indexOf(gPercentPercent, 2, 0) == 0) { |
1234 | // throw new IllegalArgumentException("Can't use internal rule set"); |
1235 | status = U_ILLEGAL_ARGUMENT_ERROR; |
1236 | } else { |
1237 | NFRuleSet *rs = findRuleSet(ruleSetName, status); |
1238 | if (rs) { |
1239 | format(number, *rs, toAppendTo, status); |
1240 | } |
1241 | } |
1242 | } |
1243 | return toAppendTo; |
1244 | } |
1245 | |
1246 | void |
1247 | RuleBasedNumberFormat::format(double number, |
1248 | NFRuleSet& rs, |
1249 | UnicodeString& toAppendTo, |
1250 | UErrorCode& status) const |
1251 | { |
1252 | int32_t startPos = toAppendTo.length(); |
1253 | if (getRoundingMode() != DecimalFormat::ERoundingMode::kRoundUnnecessary && !uprv_isNaNuprv_isNaN_77(number) && !uprv_isInfiniteuprv_isInfinite_77(number)) { |
1254 | DecimalQuantity digitList; |
1255 | digitList.setToDouble(number); |
1256 | digitList.roundToMagnitude( |
1257 | -getMaximumFractionDigits(), |
1258 | static_cast<UNumberFormatRoundingMode>(getRoundingMode()), |
1259 | status); |
1260 | number = digitList.toDouble(); |
1261 | } |
1262 | rs.format(number, toAppendTo, toAppendTo.length(), 0, status); |
1263 | adjustForCapitalizationContext(startPos, toAppendTo, status); |
1264 | } |
1265 | |
1266 | /** |
1267 | * Bottleneck through which all the public format() methods |
1268 | * that take a long pass. By the time we get here, we know |
1269 | * which rule set we're using to do the formatting. |
1270 | * @param number The number to format |
1271 | * @param ruleSet The rule set to use to format the number |
1272 | * @return The text that resulted from formatting the number |
1273 | */ |
1274 | UnicodeString& |
1275 | RuleBasedNumberFormat::format(int64_t number, NFRuleSet *ruleSet, UnicodeString& toAppendTo, UErrorCode& status) const |
1276 | { |
1277 | // all API format() routines that take a double vector through |
1278 | // here. We have these two identical functions-- one taking a |
1279 | // double and one taking a long-- the couple digits of precision |
1280 | // that long has but double doesn't (both types are 8 bytes long, |
1281 | // but double has to borrow some of the mantissa bits to hold |
1282 | // the exponent). |
1283 | // Create an empty string buffer where the result will |
1284 | // be built, and pass it to the rule set (along with an insertion |
1285 | // position of 0 and the number being formatted) to the rule set |
1286 | // for formatting |
1287 | |
1288 | if (U_SUCCESS(status)) { |
1289 | if (number == U_INT64_MIN((int64_t)(-9223372036854775807L -1))) { |
1290 | // We can't handle this value right now. Provide an accurate default value. |
1291 | |
1292 | // TODO this section should probably be optimized. The DecimalFormat is shared in ICU4J. |
1293 | NumberFormat *decimalFormat = NumberFormat::createInstance(locale, UNUM_DECIMAL, status); |
1294 | if (decimalFormat == nullptr) { |
1295 | return toAppendTo; |
1296 | } |
1297 | Formattable f; |
1298 | FieldPosition pos(FieldPosition::DONT_CARE); |
1299 | DecimalQuantity *decimalQuantity = new DecimalQuantity(); |
1300 | if (decimalQuantity == nullptr) { |
1301 | status = U_MEMORY_ALLOCATION_ERROR; |
1302 | delete decimalFormat; |
1303 | return toAppendTo; |
1304 | } |
1305 | decimalQuantity->setToLong(number); |
1306 | f.adoptDecimalQuantity(decimalQuantity); // f now owns decimalQuantity. |
1307 | decimalFormat->format(f, toAppendTo, pos, status); |
1308 | delete decimalFormat; |
1309 | } |
1310 | else { |
1311 | int32_t startPos = toAppendTo.length(); |
1312 | ruleSet->format(number, toAppendTo, toAppendTo.length(), 0, status); |
1313 | adjustForCapitalizationContext(startPos, toAppendTo, status); |
1314 | } |
1315 | } |
1316 | return toAppendTo; |
1317 | } |
1318 | |
1319 | UnicodeString& |
1320 | RuleBasedNumberFormat::adjustForCapitalizationContext(int32_t startPos, |
1321 | UnicodeString& currentResult, |
1322 | UErrorCode& status) const |
1323 | { |
1324 | #if !UCONFIG_NO_BREAK_ITERATION1 |
1325 | UDisplayContext capitalizationContext = getContext(UDISPCTX_TYPE_CAPITALIZATION, status); |
1326 | if (capitalizationContext != UDISPCTX_CAPITALIZATION_NONE && startPos == 0 && currentResult.length() > 0) { |
1327 | // capitalize currentResult according to context |
1328 | UChar32 ch = currentResult.char32At(0); |
1329 | if (u_isloweru_islower_77(ch) && U_SUCCESS(status) && capitalizationBrkIter != nullptr && |
1330 | ( capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE || |
1331 | (capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU && capitalizationForUIListMenu) || |
1332 | (capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_STANDALONE && capitalizationForStandAlone)) ) { |
1333 | // titlecase first word of currentResult, here use sentence iterator unlike current implementations |
1334 | // in LocaleDisplayNamesImpl::adjustForUsageAndContext and RelativeDateFormat::format |
1335 | currentResult.toTitle(capitalizationBrkIter, locale, U_TITLECASE_NO_LOWERCASE0x100 | U_TITLECASE_NO_BREAK_ADJUSTMENT0x200); |
1336 | } |
1337 | } |
1338 | #endif |
1339 | return currentResult; |
1340 | } |
1341 | |
1342 | |
1343 | void |
1344 | RuleBasedNumberFormat::parse(const UnicodeString& text, |
1345 | Formattable& result, |
1346 | ParsePosition& parsePosition) const |
1347 | { |
1348 | if (!fRuleSets) { |
1349 | parsePosition.setErrorIndex(0); |
1350 | return; |
1351 | } |
1352 | |
1353 | UnicodeString workingText(text, parsePosition.getIndex()); |
1354 | ParsePosition workingPos(0); |
1355 | |
1356 | ParsePosition high_pp(0); |
1357 | Formattable high_result; |
1358 | |
1359 | for (NFRuleSet** p = fRuleSets; *p; ++p) { |
1360 | NFRuleSet *rp = *p; |
1361 | if (rp->isPublic() && rp->isParseable()) { |
1362 | ParsePosition working_pp(0); |
1363 | Formattable working_result; |
1364 | |
1365 | rp->parse(workingText, working_pp, kMaxDouble((double)(1 << 22) * (double)(1 << 22)), 0, 0, working_result); |
1366 | if (working_pp.getIndex() > high_pp.getIndex()) { |
1367 | high_pp = working_pp; |
1368 | high_result = working_result; |
1369 | |
1370 | if (high_pp.getIndex() == workingText.length()) { |
1371 | break; |
1372 | } |
1373 | } |
1374 | } |
1375 | } |
1376 | |
1377 | int32_t startIndex = parsePosition.getIndex(); |
1378 | parsePosition.setIndex(startIndex + high_pp.getIndex()); |
1379 | if (high_pp.getIndex() > 0) { |
1380 | parsePosition.setErrorIndex(-1); |
1381 | } else { |
1382 | int32_t errorIndex = (high_pp.getErrorIndex()>0)? high_pp.getErrorIndex(): 0; |
1383 | parsePosition.setErrorIndex(startIndex + errorIndex); |
1384 | } |
1385 | result = high_result; |
1386 | if (result.getType() == Formattable::kDouble) { |
1387 | double d = result.getDouble(); |
1388 | if (!uprv_isNaNuprv_isNaN_77(d) && d == uprv_truncuprv_trunc_77(d) && INT32_MIN(-2147483647-1) <= d && d <= INT32_MAX(2147483647)) { |
1389 | // Note: casting a double to an int when the double is too large or small |
1390 | // to fit the destination is undefined behavior. The explicit range checks, |
1391 | // above, are required. Just casting and checking the result value is undefined. |
1392 | result.setLong(static_cast<int32_t>(d)); |
1393 | } |
1394 | } |
1395 | } |
1396 | |
1397 | #if !UCONFIG_NO_COLLATION0 |
1398 | |
1399 | void |
1400 | RuleBasedNumberFormat::setLenient(UBool enabled) |
1401 | { |
1402 | lenient = enabled; |
1403 | if (!enabled && collator) { |
1404 | delete collator; |
1405 | collator = nullptr; |
1406 | } |
1407 | } |
1408 | |
1409 | #endif |
1410 | |
1411 | void |
1412 | RuleBasedNumberFormat::setDefaultRuleSet(const UnicodeString& ruleSetName, UErrorCode& status) { |
1413 | if (U_SUCCESS(status)) { |
1414 | if (ruleSetName.isEmpty()) { |
1415 | if (localizations) { |
1416 | UnicodeString name(true, localizations->getRuleSetName(0), -1); |
1417 | defaultRuleSet = findRuleSet(name, status); |
1418 | } else { |
1419 | initDefaultRuleSet(); |
1420 | } |
1421 | } else if (ruleSetName.startsWith(UNICODE_STRING_SIMPLE("%%")icu::UnicodeString(true, u"%%", -1))) { |
1422 | status = U_ILLEGAL_ARGUMENT_ERROR; |
1423 | } else { |
1424 | NFRuleSet* result = findRuleSet(ruleSetName, status); |
1425 | if (result != nullptr) { |
1426 | defaultRuleSet = result; |
1427 | } |
1428 | } |
1429 | } |
1430 | } |
1431 | |
1432 | UnicodeString |
1433 | RuleBasedNumberFormat::getDefaultRuleSetName() const { |
1434 | UnicodeString result; |
1435 | if (defaultRuleSet && defaultRuleSet->isPublic()) { |
1436 | defaultRuleSet->getName(result); |
1437 | } else { |
1438 | result.setToBogus(); |
1439 | } |
1440 | return result; |
1441 | } |
1442 | |
1443 | void |
1444 | RuleBasedNumberFormat::initDefaultRuleSet() |
1445 | { |
1446 | defaultRuleSet = nullptr; |
1447 | if (!fRuleSets) { |
1448 | return; |
1449 | } |
1450 | |
1451 | const UnicodeString spellout(UNICODE_STRING_SIMPLE("%spellout-numbering")icu::UnicodeString(true, u"%spellout-numbering", -1)); |
1452 | const UnicodeString ordinal(UNICODE_STRING_SIMPLE("%digits-ordinal")icu::UnicodeString(true, u"%digits-ordinal", -1)); |
1453 | const UnicodeString duration(UNICODE_STRING_SIMPLE("%duration")icu::UnicodeString(true, u"%duration", -1)); |
1454 | |
1455 | NFRuleSet**p = &fRuleSets[0]; |
1456 | while (*p) { |
1457 | if ((*p)->isNamed(spellout) || (*p)->isNamed(ordinal) || (*p)->isNamed(duration)) { |
1458 | defaultRuleSet = *p; |
1459 | return; |
1460 | } else { |
1461 | ++p; |
1462 | } |
1463 | } |
1464 | |
1465 | defaultRuleSet = *--p; |
1466 | if (!defaultRuleSet->isPublic()) { |
1467 | while (p != fRuleSets) { |
1468 | if ((*--p)->isPublic()) { |
1469 | defaultRuleSet = *p; |
1470 | break; |
1471 | } |
1472 | } |
1473 | } |
1474 | } |
1475 | |
1476 | |
1477 | void |
1478 | RuleBasedNumberFormat::init(const UnicodeString& rules, LocalizationInfo* localizationInfos, |
1479 | UParseError& pErr, UErrorCode& status) |
1480 | { |
1481 | // TODO: implement UParseError |
1482 | uprv_memset(&pErr, 0, sizeof(UParseError)):: memset(&pErr, 0, sizeof(UParseError)); |
1483 | // Note: this can leave ruleSets == nullptr, so remaining code should check |
1484 | if (U_FAILURE(status)) { |
1485 | return; |
1486 | } |
1487 | |
1488 | initializeDecimalFormatSymbols(status); |
1489 | initializeDefaultInfinityRule(status); |
1490 | initializeDefaultNaNRule(status); |
1491 | if (U_FAILURE(status)) { |
1492 | return; |
1493 | } |
1494 | |
1495 | this->localizations = localizationInfos == nullptr ? nullptr : localizationInfos->ref(); |
1496 | |
1497 | UnicodeString description(rules); |
1498 | if (!description.length()) { |
1499 | status = U_MEMORY_ALLOCATION_ERROR; |
1500 | return; |
1501 | } |
1502 | |
1503 | // start by stripping the trailing whitespace from all the rules |
1504 | // (this is all the whitespace following each semicolon in the |
1505 | // description). This allows us to look for rule-set boundaries |
1506 | // by searching for ";%" without having to worry about whitespace |
1507 | // between the ; and the % |
1508 | stripWhitespace(description); |
1509 | |
1510 | // check to see if there's a set of lenient-parse rules. If there |
1511 | // is, pull them out into our temporary holding place for them, |
1512 | // and delete them from the description before the real desciption- |
1513 | // parsing code sees them |
1514 | int32_t lp = description.indexOf(gLenientParse, -1, 0); |
1515 | if (lp != -1) { |
1516 | // we've got to make sure we're not in the middle of a rule |
1517 | // (where "%%lenient-parse" would actually get treated as |
1518 | // rule text) |
1519 | if (lp == 0 || description.charAt(lp - 1) == gSemiColon) { |
1520 | // locate the beginning and end of the actual collation |
1521 | // rules (there may be whitespace between the name and |
1522 | // the first token in the description) |
1523 | int lpEnd = description.indexOf(gSemiPercent, 2, lp); |
1524 | |
1525 | if (lpEnd == -1) { |
1526 | lpEnd = description.length() - 1; |
1527 | } |
1528 | int lpStart = lp + u_strlenu_strlen_77(gLenientParse); |
1529 | while (PatternProps::isWhiteSpace(description.charAt(lpStart))) { |
1530 | ++lpStart; |
1531 | } |
1532 | |
1533 | // copy out the lenient-parse rules and delete them |
1534 | // from the description |
1535 | lenientParseRules = new UnicodeString(); |
1536 | /* test for nullptr */ |
1537 | if (lenientParseRules == nullptr) { |
1538 | status = U_MEMORY_ALLOCATION_ERROR; |
1539 | return; |
1540 | } |
1541 | lenientParseRules->setTo(description, lpStart, lpEnd - lpStart); |
1542 | |
1543 | description.remove(lp, lpEnd + 1 - lp); |
1544 | } |
1545 | } |
1546 | |
1547 | // pre-flight parsing the description and count the number of |
1548 | // rule sets (";%" marks the end of one rule set and the beginning |
1549 | // of the next) |
1550 | numRuleSets = 0; |
1551 | for (int32_t p = description.indexOf(gSemiPercent, 2, 0); p != -1; p = description.indexOf(gSemiPercent, 2, p)) { |
1552 | ++numRuleSets; |
1553 | ++p; |
1554 | } |
1555 | ++numRuleSets; |
1556 | |
1557 | // our rule list is an array of the appropriate size |
1558 | fRuleSets = static_cast<NFRuleSet**>(uprv_mallocuprv_malloc_77((numRuleSets + 1) * sizeof(NFRuleSet*))); |
1559 | /* test for nullptr */ |
1560 | if (fRuleSets == nullptr) { |
1561 | status = U_MEMORY_ALLOCATION_ERROR; |
1562 | return; |
1563 | } |
1564 | |
1565 | for (int i = 0; i <= numRuleSets; ++i) { |
1566 | fRuleSets[i] = nullptr; |
1567 | } |
1568 | |
1569 | // divide up the descriptions into individual rule-set descriptions |
1570 | // and store them in a temporary array. At each step, we also |
1571 | // create a rule set, but all this does is initialize its name |
1572 | // and remove it from its description. We can't actually parse |
1573 | // the rest of the descriptions and finish initializing everything |
1574 | // because we have to know the names and locations of all the rule |
1575 | // sets before we can actually set everything up |
1576 | if (!numRuleSets) { |
1577 | status = U_ILLEGAL_ARGUMENT_ERROR; |
1578 | return; |
1579 | } |
1580 | |
1581 | ruleSetDescriptions = new UnicodeString[numRuleSets]; |
1582 | if (ruleSetDescriptions == nullptr) { |
1583 | status = U_MEMORY_ALLOCATION_ERROR; |
1584 | return; |
1585 | } |
1586 | |
1587 | { |
1588 | int curRuleSet = 0; |
1589 | int32_t start = 0; |
1590 | for (int32_t p = description.indexOf(gSemiPercent, 2, 0); p != -1; p = description.indexOf(gSemiPercent, 2, start)) { |
1591 | ruleSetDescriptions[curRuleSet].setTo(description, start, p + 1 - start); |
1592 | fRuleSets[curRuleSet] = new NFRuleSet(this, ruleSetDescriptions, curRuleSet, status); |
1593 | if (fRuleSets[curRuleSet] == nullptr) { |
1594 | status = U_MEMORY_ALLOCATION_ERROR; |
1595 | return; |
1596 | } |
1597 | ++curRuleSet; |
1598 | start = p + 1; |
1599 | } |
1600 | ruleSetDescriptions[curRuleSet].setTo(description, start, description.length() - start); |
1601 | fRuleSets[curRuleSet] = new NFRuleSet(this, ruleSetDescriptions, curRuleSet, status); |
1602 | if (fRuleSets[curRuleSet] == nullptr) { |
1603 | status = U_MEMORY_ALLOCATION_ERROR; |
1604 | return; |
1605 | } |
1606 | } |
1607 | |
1608 | // now we can take note of the formatter's default rule set, which |
1609 | // is the last public rule set in the description (it's the last |
1610 | // rather than the first so that a user can create a new formatter |
1611 | // from an existing formatter and change its default behavior just |
1612 | // by appending more rule sets to the end) |
1613 | |
1614 | // {dlf} Initialization of a fraction rule set requires the default rule |
1615 | // set to be known. For purposes of initialization, this is always the |
1616 | // last public rule set, no matter what the localization data says. |
1617 | initDefaultRuleSet(); |
1618 | |
1619 | // Now that we know all the rule names, we can go back through |
1620 | // the temporary descriptions list and finish setting up the substructure |
1621 | // (and we throw away the temporary descriptions as we go) |
1622 | { |
1623 | for (int i = 0; i < numRuleSets; i++) { |
1624 | fRuleSets[i]->parseRules(ruleSetDescriptions[i], status); |
1625 | } |
1626 | } |
1627 | |
1628 | // Now that the rules are initialized, the 'real' default rule |
1629 | // set can be adjusted by the localization data. |
1630 | |
1631 | // The C code keeps the localization array as is, rather than building |
1632 | // a separate array of the public rule set names, so we have less work |
1633 | // to do here-- but we still need to check the names. |
1634 | |
1635 | if (localizationInfos) { |
1636 | // confirm the names, if any aren't in the rules, that's an error |
1637 | // it is ok if the rules contain public rule sets that are not in this list |
1638 | for (int32_t i = 0; i < localizationInfos->getNumberOfRuleSets(); ++i) { |
1639 | UnicodeString name(true, localizationInfos->getRuleSetName(i), -1); |
1640 | NFRuleSet* rs = findRuleSet(name, status); |
1641 | if (rs == nullptr) { |
1642 | break; // error |
1643 | } |
1644 | if (i == 0) { |
1645 | defaultRuleSet = rs; |
1646 | } |
1647 | } |
1648 | } else { |
1649 | defaultRuleSet = getDefaultRuleSet(); |
1650 | } |
1651 | originalDescription = rules; |
1652 | } |
1653 | |
1654 | // override the NumberFormat implementation in order to |
1655 | // lazily initialize relevant items |
1656 | void |
1657 | RuleBasedNumberFormat::setContext(UDisplayContext value, UErrorCode& status) |
1658 | { |
1659 | NumberFormat::setContext(value, status); |
1660 | if (U_SUCCESS(status)) { |
1661 | if (!capitalizationInfoSet && |
1662 | (value==UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU || value==UDISPCTX_CAPITALIZATION_FOR_STANDALONE)) { |
1663 | initCapitalizationContextInfo(locale); |
1664 | capitalizationInfoSet = true; |
1665 | } |
1666 | #if !UCONFIG_NO_BREAK_ITERATION1 |
1667 | if ( capitalizationBrkIter == nullptr && (value==UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE || |
1668 | (value==UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU && capitalizationForUIListMenu) || |
1669 | (value==UDISPCTX_CAPITALIZATION_FOR_STANDALONE && capitalizationForStandAlone)) ) { |
1670 | status = U_ZERO_ERROR; |
1671 | capitalizationBrkIter = BreakIterator::createSentenceInstance(locale, status); |
1672 | if (U_FAILURE(status)) { |
1673 | delete capitalizationBrkIter; |
1674 | capitalizationBrkIter = nullptr; |
1675 | } |
1676 | } |
1677 | #endif |
1678 | } |
1679 | } |
1680 | |
1681 | void |
1682 | RuleBasedNumberFormat::initCapitalizationContextInfo(const Locale& thelocale) |
1683 | { |
1684 | #if !UCONFIG_NO_BREAK_ITERATION1 |
1685 | const char * localeID = (thelocale != nullptr)? thelocale.getBaseName(): nullptr; |
1686 | UErrorCode status = U_ZERO_ERROR; |
1687 | UResourceBundle *rb = ures_openures_open_77(nullptr, localeID, &status); |
1688 | rb = ures_getByKeyWithFallbackures_getByKeyWithFallback_77(rb, "contextTransforms", rb, &status); |
1689 | rb = ures_getByKeyWithFallbackures_getByKeyWithFallback_77(rb, "number-spellout", rb, &status); |
1690 | if (U_SUCCESS(status) && rb != nullptr) { |
1691 | int32_t len = 0; |
1692 | const int32_t * intVector = ures_getIntVectorures_getIntVector_77(rb, &len, &status); |
1693 | if (U_SUCCESS(status) && intVector != nullptr && len >= 2) { |
1694 | capitalizationForUIListMenu = static_cast<UBool>(intVector[0]); |
1695 | capitalizationForStandAlone = static_cast<UBool>(intVector[1]); |
1696 | } |
1697 | } |
1698 | ures_closeures_close_77(rb); |
1699 | #endif |
1700 | } |
1701 | |
1702 | void |
1703 | RuleBasedNumberFormat::stripWhitespace(UnicodeString& description) |
1704 | { |
1705 | // iterate through the characters... |
1706 | UnicodeString result; |
1707 | |
1708 | int start = 0; |
1709 | UChar ch; |
1710 | while (start < description.length()) { |
1711 | // Seek to the first non-whitespace character... |
1712 | // If the first non-whitespace character is semicolon, skip it and continue |
1713 | while (start < description.length() |
1714 | && (PatternProps::isWhiteSpace(ch = description.charAt(start)) || ch == gSemiColon)) |
1715 | { |
1716 | ++start; |
1717 | } |
1718 | |
1719 | // locate the next semicolon in the text and copy the text from |
1720 | // our current position up to that semicolon into the result |
1721 | int32_t p = description.indexOf(gSemiColon, start); |
1722 | if (p == -1) { |
1723 | // or if we don't find a semicolon, just copy the rest of |
1724 | // the string into the result |
1725 | result.append(description, start, description.length() - start); |
1726 | break; |
1727 | } |
1728 | else if (p < description.length()) { |
1729 | result.append(description, start, p + 1 - start); |
1730 | start = p + 1; |
1731 | } |
1732 | // when we get here from the else, we've seeked off the end of the string, and |
1733 | // we terminate the loop (we continue until *start* is -1 rather |
1734 | // than until *p* is -1, because otherwise we'd miss the last |
1735 | // rule in the description) |
1736 | } |
1737 | |
1738 | description.setTo(result); |
1739 | } |
1740 | |
1741 | |
1742 | void |
1743 | RuleBasedNumberFormat::dispose() |
1744 | { |
1745 | if (fRuleSets) { |
1746 | for (NFRuleSet** p = fRuleSets; *p; ++p) { |
1747 | delete *p; |
1748 | } |
1749 | uprv_freeuprv_free_77(fRuleSets); |
1750 | fRuleSets = nullptr; |
1751 | } |
1752 | |
1753 | if (ruleSetDescriptions) { |
1754 | delete [] ruleSetDescriptions; |
1755 | ruleSetDescriptions = nullptr; |
1756 | } |
1757 | |
1758 | #if !UCONFIG_NO_COLLATION0 |
1759 | delete collator; |
1760 | #endif |
1761 | collator = nullptr; |
1762 | |
1763 | delete decimalFormatSymbols; |
1764 | decimalFormatSymbols = nullptr; |
1765 | |
1766 | delete defaultInfinityRule; |
1767 | defaultInfinityRule = nullptr; |
1768 | |
1769 | delete defaultNaNRule; |
1770 | defaultNaNRule = nullptr; |
1771 | |
1772 | delete lenientParseRules; |
1773 | lenientParseRules = nullptr; |
1774 | |
1775 | #if !UCONFIG_NO_BREAK_ITERATION1 |
1776 | delete capitalizationBrkIter; |
1777 | capitalizationBrkIter = nullptr; |
1778 | #endif |
1779 | |
1780 | if (localizations) { |
1781 | localizations = localizations->unref(); |
1782 | } |
1783 | } |
1784 | |
1785 | |
1786 | //----------------------------------------------------------------------- |
1787 | // package-internal API |
1788 | //----------------------------------------------------------------------- |
1789 | |
1790 | /** |
1791 | * Returns the collator to use for lenient parsing. The collator is lazily created: |
1792 | * this function creates it the first time it's called. |
1793 | * @return The collator to use for lenient parsing, or null if lenient parsing |
1794 | * is turned off. |
1795 | */ |
1796 | const RuleBasedCollator* |
1797 | RuleBasedNumberFormat::getCollator() const |
1798 | { |
1799 | #if !UCONFIG_NO_COLLATION0 |
1800 | if (!fRuleSets) { |
1801 | return nullptr; |
1802 | } |
1803 | |
1804 | // lazy-evaluate the collator |
1805 | if (collator == nullptr && lenient) { |
1806 | // create a default collator based on the formatter's locale, |
1807 | // then pull out that collator's rules, append any additional |
1808 | // rules specified in the description, and create a _new_ |
1809 | // collator based on the combination of those rules |
1810 | |
1811 | UErrorCode status = U_ZERO_ERROR; |
1812 | |
1813 | Collator* temp = Collator::createInstance(locale, status); |
1814 | RuleBasedCollator* newCollator; |
1815 | if (U_SUCCESS(status) && (newCollator = dynamic_cast<RuleBasedCollator*>(temp)) != nullptr) { |
1816 | if (lenientParseRules) { |
1817 | UnicodeString rules(newCollator->getRules()); |
1818 | rules.append(*lenientParseRules); |
1819 | |
1820 | newCollator = new RuleBasedCollator(rules, status); |
1821 | // Exit if newCollator could not be created. |
1822 | if (newCollator == nullptr) { |
1823 | return nullptr; |
1824 | } |
1825 | } else { |
1826 | temp = nullptr; |
1827 | } |
1828 | if (U_SUCCESS(status)) { |
1829 | newCollator->setAttribute(UCOL_DECOMPOSITION_MODE, UCOL_ON, status); |
1830 | // cast away const |
1831 | const_cast<RuleBasedNumberFormat*>(this)->collator = newCollator; |
1832 | } else { |
1833 | delete newCollator; |
1834 | } |
1835 | } |
1836 | delete temp; |
1837 | } |
1838 | #endif |
1839 | |
1840 | // if lenient-parse mode is off, this will be null |
1841 | // (see setLenientParseMode()) |
1842 | return collator; |
1843 | } |
1844 | |
1845 | |
1846 | DecimalFormatSymbols* |
1847 | RuleBasedNumberFormat::initializeDecimalFormatSymbols(UErrorCode &status) |
1848 | { |
1849 | // lazy-evaluate the DecimalFormatSymbols object. This object |
1850 | // is shared by all DecimalFormat instances belonging to this |
1851 | // formatter |
1852 | if (decimalFormatSymbols == nullptr) { |
1853 | LocalPointer<DecimalFormatSymbols> temp(new DecimalFormatSymbols(locale, status), status); |
1854 | if (U_SUCCESS(status)) { |
1855 | decimalFormatSymbols = temp.orphan(); |
1856 | } |
1857 | } |
1858 | return decimalFormatSymbols; |
1859 | } |
1860 | |
1861 | /** |
1862 | * Returns the DecimalFormatSymbols object that should be used by all DecimalFormat |
1863 | * instances owned by this formatter. |
1864 | */ |
1865 | const DecimalFormatSymbols* |
1866 | RuleBasedNumberFormat::getDecimalFormatSymbols() const |
1867 | { |
1868 | return decimalFormatSymbols; |
1869 | } |
1870 | |
1871 | NFRule* |
1872 | RuleBasedNumberFormat::initializeDefaultInfinityRule(UErrorCode &status) |
1873 | { |
1874 | if (U_FAILURE(status)) { |
1875 | return nullptr; |
1876 | } |
1877 | if (defaultInfinityRule == nullptr) { |
1878 | UnicodeString rule(UNICODE_STRING_SIMPLE("Inf: ")icu::UnicodeString(true, u"Inf: ", -1)); |
1879 | rule.append(getDecimalFormatSymbols()->getSymbol(DecimalFormatSymbols::kInfinitySymbol)); |
1880 | LocalPointer<NFRule> temp(new NFRule(this, rule, status), status); |
1881 | if (U_SUCCESS(status)) { |
1882 | defaultInfinityRule = temp.orphan(); |
1883 | } |
1884 | } |
1885 | return defaultInfinityRule; |
1886 | } |
1887 | |
1888 | const NFRule* |
1889 | RuleBasedNumberFormat::getDefaultInfinityRule() const |
1890 | { |
1891 | return defaultInfinityRule; |
1892 | } |
1893 | |
1894 | NFRule* |
1895 | RuleBasedNumberFormat::initializeDefaultNaNRule(UErrorCode &status) |
1896 | { |
1897 | if (U_FAILURE(status)) { |
1898 | return nullptr; |
1899 | } |
1900 | if (defaultNaNRule == nullptr) { |
1901 | UnicodeString rule(UNICODE_STRING_SIMPLE("NaN: ")icu::UnicodeString(true, u"NaN: ", -1)); |
1902 | rule.append(getDecimalFormatSymbols()->getSymbol(DecimalFormatSymbols::kNaNSymbol)); |
1903 | LocalPointer<NFRule> temp(new NFRule(this, rule, status), status); |
1904 | if (U_SUCCESS(status)) { |
1905 | defaultNaNRule = temp.orphan(); |
1906 | } |
1907 | } |
1908 | return defaultNaNRule; |
1909 | } |
1910 | |
1911 | const NFRule* |
1912 | RuleBasedNumberFormat::getDefaultNaNRule() const |
1913 | { |
1914 | return defaultNaNRule; |
1915 | } |
1916 | |
1917 | // De-owning the current localized symbols and adopt the new symbols. |
1918 | void |
1919 | RuleBasedNumberFormat::adoptDecimalFormatSymbols(DecimalFormatSymbols* symbolsToAdopt) |
1920 | { |
1921 | if (symbolsToAdopt == nullptr) { |
1922 | return; // do not allow caller to set decimalFormatSymbols to nullptr |
1923 | } |
1924 | |
1925 | delete decimalFormatSymbols; |
1926 | decimalFormatSymbols = symbolsToAdopt; |
1927 | |
1928 | { |
1929 | // Apply the new decimalFormatSymbols by reparsing the rulesets |
1930 | UErrorCode status = U_ZERO_ERROR; |
1931 | |
1932 | delete defaultInfinityRule; |
1933 | defaultInfinityRule = nullptr; |
1934 | initializeDefaultInfinityRule(status); // Reset with the new DecimalFormatSymbols |
1935 | |
1936 | delete defaultNaNRule; |
1937 | defaultNaNRule = nullptr; |
1938 | initializeDefaultNaNRule(status); // Reset with the new DecimalFormatSymbols |
1939 | |
1940 | if (fRuleSets) { |
1941 | for (int32_t i = 0; i < numRuleSets; i++) { |
1942 | fRuleSets[i]->setDecimalFormatSymbols(*symbolsToAdopt, status); |
1943 | } |
1944 | } |
1945 | } |
1946 | } |
1947 | |
1948 | // Setting the symbols is equivalent to adopting a newly created localized symbols. |
1949 | void |
1950 | RuleBasedNumberFormat::setDecimalFormatSymbols(const DecimalFormatSymbols& symbols) |
1951 | { |
1952 | adoptDecimalFormatSymbols(new DecimalFormatSymbols(symbols)); |
1953 | } |
1954 | |
1955 | PluralFormat * |
1956 | RuleBasedNumberFormat::createPluralFormat(UPluralType pluralType, |
1957 | const UnicodeString &pattern, |
1958 | UErrorCode& status) const |
1959 | { |
1960 | auto *pf = new PluralFormat(locale, pluralType, pattern, status); |
1961 | if (pf == nullptr) { |
1962 | status = U_MEMORY_ALLOCATION_ERROR; |
1963 | } |
1964 | return pf; |
1965 | } |
1966 | |
1967 | /** |
1968 | * Get the rounding mode. |
1969 | * @return A rounding mode |
1970 | */ |
1971 | DecimalFormat::ERoundingMode RuleBasedNumberFormat::getRoundingMode() const { |
1972 | return fRoundingMode; |
1973 | } |
1974 | |
1975 | /** |
1976 | * Set the rounding mode. This has no effect unless the rounding |
1977 | * increment is greater than zero. |
1978 | * @param roundingMode A rounding mode |
1979 | */ |
1980 | void RuleBasedNumberFormat::setRoundingMode(DecimalFormat::ERoundingMode roundingMode) { |
1981 | fRoundingMode = roundingMode; |
1982 | } |
1983 | |
1984 | U_NAMESPACE_END} |
1985 | |
1986 | /* U_HAVE_RBNF */ |
1987 | #endif |