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Side by Side Diff: third_party/WebKit/Source/platform/text/UnicodeUtilities.cpp

Issue 2811453002: Replace ASSERT, ASSERT_NOT_REACHED, and RELEASE_ASSERT in platform/text (Closed)
Patch Set: fix Created 3 years, 8 months ago
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1 /* 1 /*
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All
3 * rights reserved. 3 * rights reserved.
4 * Copyright (C) 2005 Alexey Proskuryakov. 4 * Copyright (C) 2005 Alexey Proskuryakov.
5 * 5 *
6 * Redistribution and use in source and binary forms, with or without 6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions 7 * modification, are permitted provided that the following conditions
8 * are met: 8 * are met:
9 * 1. Redistributions of source code must retain the above copyright 9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer. 10 * notice, this list of conditions and the following disclaimer.
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144 return true; 144 return true;
145 145
146 // Halfwidth katakana letters. 146 // Halfwidth katakana letters.
147 if (character >= 0xFF66 && character <= 0xFF9D && character != 0xFF70) 147 if (character >= 0xFF66 && character <= 0xFF9D && character != 0xFF70)
148 return true; 148 return true;
149 149
150 return false; 150 return false;
151 } 151 }
152 152
153 bool IsSmallKanaLetter(UChar character) { 153 bool IsSmallKanaLetter(UChar character) {
154 ASSERT(IsKanaLetter(character)); 154 DCHECK(IsKanaLetter(character));
155 155
156 switch (character) { 156 switch (character) {
157 case 0x3041: // HIRAGANA LETTER SMALL A 157 case 0x3041: // HIRAGANA LETTER SMALL A
158 case 0x3043: // HIRAGANA LETTER SMALL I 158 case 0x3043: // HIRAGANA LETTER SMALL I
159 case 0x3045: // HIRAGANA LETTER SMALL U 159 case 0x3045: // HIRAGANA LETTER SMALL U
160 case 0x3047: // HIRAGANA LETTER SMALL E 160 case 0x3047: // HIRAGANA LETTER SMALL E
161 case 0x3049: // HIRAGANA LETTER SMALL O 161 case 0x3049: // HIRAGANA LETTER SMALL O
162 case 0x3063: // HIRAGANA LETTER SMALL TU 162 case 0x3063: // HIRAGANA LETTER SMALL TU
163 case 0x3083: // HIRAGANA LETTER SMALL YA 163 case 0x3083: // HIRAGANA LETTER SMALL YA
164 case 0x3085: // HIRAGANA LETTER SMALL YU 164 case 0x3085: // HIRAGANA LETTER SMALL YU
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202 case 0xFF6C: // HALFWIDTH KATAKANA LETTER SMALL YA 202 case 0xFF6C: // HALFWIDTH KATAKANA LETTER SMALL YA
203 case 0xFF6D: // HALFWIDTH KATAKANA LETTER SMALL YU 203 case 0xFF6D: // HALFWIDTH KATAKANA LETTER SMALL YU
204 case 0xFF6E: // HALFWIDTH KATAKANA LETTER SMALL YO 204 case 0xFF6E: // HALFWIDTH KATAKANA LETTER SMALL YO
205 case 0xFF6F: // HALFWIDTH KATAKANA LETTER SMALL TU 205 case 0xFF6F: // HALFWIDTH KATAKANA LETTER SMALL TU
206 return true; 206 return true;
207 } 207 }
208 return false; 208 return false;
209 } 209 }
210 210
211 static inline VoicedSoundMarkType ComposedVoicedSoundMark(UChar character) { 211 static inline VoicedSoundMarkType ComposedVoicedSoundMark(UChar character) {
212 ASSERT(IsKanaLetter(character)); 212 DCHECK(IsKanaLetter(character));
213 213
214 switch (character) { 214 switch (character) {
215 case 0x304C: // HIRAGANA LETTER GA 215 case 0x304C: // HIRAGANA LETTER GA
216 case 0x304E: // HIRAGANA LETTER GI 216 case 0x304E: // HIRAGANA LETTER GI
217 case 0x3050: // HIRAGANA LETTER GU 217 case 0x3050: // HIRAGANA LETTER GU
218 case 0x3052: // HIRAGANA LETTER GE 218 case 0x3052: // HIRAGANA LETTER GE
219 case 0x3054: // HIRAGANA LETTER GO 219 case 0x3054: // HIRAGANA LETTER GO
220 case 0x3056: // HIRAGANA LETTER ZA 220 case 0x3056: // HIRAGANA LETTER ZA
221 case 0x3058: // HIRAGANA LETTER ZI 221 case 0x3058: // HIRAGANA LETTER ZI
222 case 0x305A: // HIRAGANA LETTER ZU 222 case 0x305A: // HIRAGANA LETTER ZU
(...skipping 65 matching lines...) Expand 10 before | Expand all | Expand 10 after
288 for (unsigned i = 0; i < length; ++i) { 288 for (unsigned i = 0; i < length; ++i) {
289 if (IsKanaLetter(pattern[i])) 289 if (IsKanaLetter(pattern[i]))
290 return true; 290 return true;
291 } 291 }
292 return false; 292 return false;
293 } 293 }
294 294
295 void NormalizeCharactersIntoNFCForm(const UChar* characters, 295 void NormalizeCharactersIntoNFCForm(const UChar* characters,
296 unsigned length, 296 unsigned length,
297 Vector<UChar>& buffer) { 297 Vector<UChar>& buffer) {
298 ASSERT(length); 298 DCHECK(length);
299 299
300 buffer.Resize(length); 300 buffer.Resize(length);
301 301
302 UErrorCode status = U_ZERO_ERROR; 302 UErrorCode status = U_ZERO_ERROR;
303 size_t buffer_size = unorm_normalize(characters, length, UNORM_NFC, 0, 303 size_t buffer_size = unorm_normalize(characters, length, UNORM_NFC, 0,
304 buffer.Data(), length, &status); 304 buffer.Data(), length, &status);
305 ASSERT(status == U_ZERO_ERROR || status == U_STRING_NOT_TERMINATED_WARNING || 305 DCHECK(status == U_ZERO_ERROR || status == U_STRING_NOT_TERMINATED_WARNING ||
306 status == U_BUFFER_OVERFLOW_ERROR); 306 status == U_BUFFER_OVERFLOW_ERROR);
307 ASSERT(buffer_size); 307 DCHECK(buffer_size);
308 308
309 buffer.Resize(buffer_size); 309 buffer.Resize(buffer_size);
310 310
311 if (status == U_ZERO_ERROR || status == U_STRING_NOT_TERMINATED_WARNING) 311 if (status == U_ZERO_ERROR || status == U_STRING_NOT_TERMINATED_WARNING)
312 return; 312 return;
313 313
314 status = U_ZERO_ERROR; 314 status = U_ZERO_ERROR;
315 unorm_normalize(characters, length, UNORM_NFC, 0, buffer.Data(), buffer_size, 315 unorm_normalize(characters, length, UNORM_NFC, 0, buffer.Data(), buffer_size,
316 &status); 316 &status);
317 ASSERT(status == U_STRING_NOT_TERMINATED_WARNING); 317 DCHECK_EQ(status, U_STRING_NOT_TERMINATED_WARNING);
318 } 318 }
319 319
320 // This function returns kNotFound if |first| and |second| contain different 320 // This function returns kNotFound if |first| and |second| contain different
321 // Kana letters. If |first| and |second| contain the same Kana letter then 321 // Kana letters. If |first| and |second| contain the same Kana letter then
322 // function returns offset in characters from |first|. 322 // function returns offset in characters from |first|.
323 // Pointers to both strings increase simultaneously so so it is possible to use 323 // Pointers to both strings increase simultaneously so so it is possible to use
324 // one offset value. 324 // one offset value.
325 static inline size_t CompareKanaLetterAndComposedVoicedSoundMarks( 325 static inline size_t CompareKanaLetterAndComposedVoicedSoundMarks(
326 const UChar* first, 326 const UChar* first,
327 const UChar* first_end, 327 const UChar* first_end,
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424 if (offset == kNotFound) 424 if (offset == kNotFound)
425 return false; 425 return false;
426 426
427 // Update values of |a| and |b| after comparing. 427 // Update values of |a| and |b| after comparing.
428 a += offset; 428 a += offset;
429 b += offset; 429 b += offset;
430 } 430 }
431 } 431 }
432 432
433 } // namespace blink 433 } // namespace blink
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