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1 /* | 1 /* |
2 * Copyright (C) 2014 Google Inc. All rights reserved. | 2 * Copyright (C) 2014 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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129 size_t length, | 129 size_t length, |
130 TextDirection direction, | 130 TextDirection direction, |
131 bool& isAfterExpansion, | 131 bool& isAfterExpansion, |
132 const TextJustify textJustify) { | 132 const TextJustify textJustify) { |
133 unsigned count = 0; | 133 unsigned count = 0; |
134 if (textJustify == TextJustifyDistribute) { | 134 if (textJustify == TextJustifyDistribute) { |
135 isAfterExpansion = true; | 135 isAfterExpansion = true; |
136 return length; | 136 return length; |
137 } | 137 } |
138 | 138 |
139 if (direction == TextDirection::Ltr) { | 139 if (direction == TextDirection::kLtr) { |
140 for (size_t i = 0; i < length; ++i) { | 140 for (size_t i = 0; i < length; ++i) { |
141 if (treatAsSpace(characters[i])) { | 141 if (treatAsSpace(characters[i])) { |
142 count++; | 142 count++; |
143 isAfterExpansion = true; | 143 isAfterExpansion = true; |
144 } else { | 144 } else { |
145 isAfterExpansion = false; | 145 isAfterExpansion = false; |
146 } | 146 } |
147 } | 147 } |
148 } else { | 148 } else { |
149 for (size_t i = length; i > 0; --i) { | 149 for (size_t i = length; i > 0; --i) { |
150 if (treatAsSpace(characters[i - 1])) { | 150 if (treatAsSpace(characters[i - 1])) { |
151 count++; | 151 count++; |
152 isAfterExpansion = true; | 152 isAfterExpansion = true; |
153 } else { | 153 } else { |
154 isAfterExpansion = false; | 154 isAfterExpansion = false; |
155 } | 155 } |
156 } | 156 } |
157 } | 157 } |
158 | 158 |
159 return count; | 159 return count; |
160 } | 160 } |
161 | 161 |
162 unsigned Character::expansionOpportunityCount(const UChar* characters, | 162 unsigned Character::expansionOpportunityCount(const UChar* characters, |
163 size_t length, | 163 size_t length, |
164 TextDirection direction, | 164 TextDirection direction, |
165 bool& isAfterExpansion, | 165 bool& isAfterExpansion, |
166 const TextJustify textJustify) { | 166 const TextJustify textJustify) { |
167 unsigned count = 0; | 167 unsigned count = 0; |
168 if (direction == TextDirection::Ltr) { | 168 if (direction == TextDirection::kLtr) { |
169 for (size_t i = 0; i < length; ++i) { | 169 for (size_t i = 0; i < length; ++i) { |
170 UChar32 character = characters[i]; | 170 UChar32 character = characters[i]; |
171 if (treatAsSpace(character)) { | 171 if (treatAsSpace(character)) { |
172 count++; | 172 count++; |
173 isAfterExpansion = true; | 173 isAfterExpansion = true; |
174 continue; | 174 continue; |
175 } | 175 } |
176 if (U16_IS_LEAD(character) && i + 1 < length && | 176 if (U16_IS_LEAD(character) && i + 1 < length && |
177 U16_IS_TRAIL(characters[i + 1])) { | 177 U16_IS_TRAIL(characters[i + 1])) { |
178 character = U16_GET_SUPPLEMENTARY(character, characters[i + 1]); | 178 character = U16_GET_SUPPLEMENTARY(character, characters[i + 1]); |
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254 } | 254 } |
255 | 255 |
256 bool Character::isCommonOrInheritedScript(UChar32 character) { | 256 bool Character::isCommonOrInheritedScript(UChar32 character) { |
257 ICUError status; | 257 ICUError status; |
258 UScriptCode script = uscript_getScript(character, &status); | 258 UScriptCode script = uscript_getScript(character, &status); |
259 return U_SUCCESS(status) && | 259 return U_SUCCESS(status) && |
260 (script == USCRIPT_COMMON || script == USCRIPT_INHERITED); | 260 (script == USCRIPT_COMMON || script == USCRIPT_INHERITED); |
261 } | 261 } |
262 | 262 |
263 } // namespace blink | 263 } // namespace blink |
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