2 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/devel-api/text-abstraction/script.h>
24 namespace TextAbstraction
29 const unsigned int WHITE_SPACE_THRESHOLD = 0x21; ///< All characters below 0x21 are considered white spaces.
30 const unsigned int CHAR_LF = 0x000A; ///< NL Line feed, new line.
31 const unsigned int CHAR_VT = 0x000B; ///< Vertical tab.
32 const unsigned int CHAR_FF = 0x000C; ///< NP Form feed, new page.
33 const unsigned int CHAR_CR = 0x000D; ///< Carriage return, new line.
34 const unsigned int CHAR_NEL = 0x0085; ///< Next line.
35 const unsigned int CHAR_LS = 0x2028; ///< Line separator.
36 const unsigned int CHAR_PS = 0x2029; ///< Paragraph separator
38 const unsigned int CHAR_ZWS = 0x200B; ///< Zero width space.
39 const unsigned int CHAR_ZWNJ = 0x200C; ///< Zero width non joiner.
40 const unsigned int CHAR_ZWJ = 0x200D; ///< Zero width joiner.
41 const unsigned int CHAR_LTRM = 0x200E; ///< Left to Right Mark.
42 const unsigned int CHAR_RTLM = 0x200F; ///< Right to Left Mark.
43 const unsigned int CHAR_TS = 0x2009; ///< Thin Space.
46 bool IsRightToLeftScript( Script script )
48 return ( ( ARABIC == script ) ||
49 ( HEBREW == script ) );
52 Script GetCharacterScript( Character character )
55 // 0x0000 - 0x007f C0 Controls and Basic Latin
56 // 0x0080 - 0x00ff C1 Controls and Latin-1 Supplement
57 // 0x0100 - 0x017f Latin Extended-A
58 // 0x0180 - 0x024f Latin Extended-B
59 // 0x0250 - 0x02af IPA Extensions
60 // 0x02b0 - 0x02ff Spacing Modifier Letters
61 // 0x1d00 - 0x1d7f Phonetic Extensions
62 // 0x1d80 - 0x1dbf Phonetic Extensions Supplement
63 // 0x1e00 - 0x1eff Latin Extended Additional
64 // 0x2070 - 0x209f Superscripts and Subscripts
65 // 0x2100 - 0x214f Letterlike symbols
66 // 0x2150 - 0x218f Number Forms
67 // 0x2c60 - 0x2c7f Latin Extended-C
68 // 0xa720 - 0xa7ff Latin Extended-D
69 // 0xab30 - 0xab6f Latin Extended-E
70 // 0xfb00 - 0xfb06 Latin Alphabetic Presentation Forms
71 // 0xff00 - 0xffef Halfwidth and Fullwidth Forms
74 // 0x0900 - 0x097f Devanagari
75 // 0x0980 - 0x09ff Bengali
76 // 0x0a00 - 0x0a7f Gurmukhi
77 // 0x0a80 - 0x0aff Gujarati
78 // 0x0b00 - 0x0b7f Oriya
79 // 0x0b80 - 0x0bff Tamil
80 // 0x0c00 - 0x0c7f Telugu
81 // 0x0c80 - 0x0cff Kannada
82 // 0x0d00 - 0x0d7f Malayalam
85 // 0x0d80 - 0x0dff Sinhala
88 // 0x0600 - 0x06ff Arabic
89 // 0x0750 - 0x077f Arabic Supplement
90 // 0x08A0 - 0x08ff Arabic Extended-A
91 // 0xfb50 - 0xfdff Arabic Presentation Forms-A
92 // 0xfe70 - 0xfeff Arabic Presentation Forms-B
93 // 0x1ee00 - 0x1eeff Arabic Mathematical Alphabetic Symbols
95 // CJK (Chinese, Japanese and Korean) and Vietnamese script.
96 // 0x2e80 - 0x2eff CJK Radicals Supplement
97 // 0x2f00 - 0x2fdf Kangxi Radicals
98 // 0x3000 - 0x303f CJK Symbols and Punctuation
99 // 0x3200 - 0x32ff Enclosed CJK Letters and Months
100 // 0x3400 - 0x4dbf CJK Unified Ideographs Extension A
101 // 0x4e00 - 0x62ff CJK Unified Ideographs
102 // 0x6300 - 0x77ff CJK Unified Ideographs
103 // 0x7800 - 0x8cff CJK Unified Ideographs
104 // 0x8d00 - 0x9fff CJK Unified Ideographs
105 // 0x20000 - 0x215ff CJK Unified Ideographs Extension B
106 // 0x21600 - 0x230ff CJK Unified Ideographs Extension B
107 // 0x23100 - 0x245ff CJK Unified Ideographs Extension B
108 // 0x24600 - 0x260ff CJK Unified Ideographs Extension B
109 // 0x26100 - 0x275ff CJK Unified Ideographs Extension B
110 // 0x27600 - 0x290ff CJK Unified Ideographs Extension B
111 // 0x29100 - 0x2a6df CJK Unified Ideographs Extension B
112 // 0x2a700 - 0x2b73f CJK Unified Ideographs Extension C
113 // 0x2b740 - 0x2b81f CJK Unified Ideographs Extension D
116 // 0x3040 - 0x309f Hiragana
117 // 0x30a0 - 0x30ff Katakana
120 // 0x1100 - 0x11ff Hangul jamo
121 // 0x3130 - 0x318f Hangul Compatibility Jamo
122 // 0xa960 - 0xa97f Hangul Jamo Extended-A
123 // 0xac00 - 0xd7af Hangul Syllables
124 // 0xd7b0 - 0xd7ff Hangul Jamo Extended-B
127 // 0x1780 - 0x17ff Khmer
128 // 0x19e0 - 0x19ff Khmer Symbols
131 // 0x0e80 - 0x0eff Lao
134 // 0x0e00 - 0x0e7f Thai
137 // 0x1000 - 0x109f Myanmar
140 // 0x0591 - 0x05f4 Hebrew
141 // 0xfb1d - 0xfb4f Hebrew subset of Alphabetic Presentation Forms
144 // 0x0400 - 0x04ff Cyrillic
145 // 0x0500 - 0x052f Cyrillic suplement
146 // 0x2de0 - 0x2dff Cyrillic Extended-A
147 // 0xa640 - 0xa69f Cyrillic Extended-B
150 // 0x10a0 - 0x10ff Georgian
151 // 0x2d00 - 0x2d2f Georgian suplement
154 // 0x0370 - 0x03ff Greek & Coptic
155 // 0x1f00 - 0x1fff Greek Extended
158 // 0x0530 - 0x058f Armenian
159 // 0xfb13 - 0xfb17 Armenian subset of Alphabetic prefentation forms
161 // The Emoji which map to standardized Unicode characters
162 // 1. Emoticons ( 1F601 - 1F64F )
163 // 2. Dingbats ( 2702 - 27B0 )
164 // 3. Transport and map symbols ( 1F680 - 1F6C0 )
165 // 4. Enclosed characters ( 24C2 - 1F251 )
166 // 5. Uncategorized :-S
167 // 6. Additional Emoticons ( 1F600 - 1F636 )
168 // 6b. Additional transport and map symbols ( 1F681 - 1F6C5 )
169 // 6c. Other additional symbols ( 1F30D - 1F567 )
171 if( IsCommonScript( character ) )
176 if( character <= 0x0cff )
178 if( character <= 0x09ff )
180 if( character <= 0x077f )
182 if( character == 0x00A9 )
184 return EMOJI; // 5. Uncategorized: copyright sign
186 if( character == 0x00AE )
188 return EMOJI; // 5. Uncategorized: registered sign
190 if( character <= 0x02ff )
194 if( ( 0x0370 <= character ) && ( character <= 0x03ff ) )
198 if( ( 0x0400 <= character ) && ( character <= 0x04ff ) )
202 if( ( 0x0500 <= character ) && ( character <= 0x052f ) )
206 if( ( 0x0530 <= character ) && ( character <= 0x058f ) )
210 if( ( 0x0591 <= character ) && ( character <= 0x05f4 ) )
214 if( ( 0x0600 <= character ) && ( character <= 0x06ff ) )
218 if( ( 0x0750 <= character ) && ( character <= 0x077f ) )
225 if( ( 0x08A0 <= character ) && ( character <= 0x08ff ) )
229 if( ( 0x0900 <= character ) && ( character <= 0x097f ) )
233 if( ( 0x0980 <= character ) && ( character <= 0x09ff ) )
241 if( character <= 0x0b7f )
243 if( ( 0x0a00 <= character ) && ( character <= 0x0a7f ) )
247 if( ( 0x0a80 <= character ) && ( character <= 0x0aff ) )
251 if( ( 0x0b00 <= character ) && ( character <= 0x0b7f ) )
258 if( ( 0x0b80 <= character ) && ( character <= 0x0bff ) )
262 if( ( 0x0c00 <= character ) && ( character <= 0x0c7f ) )
266 if( ( 0x0c80 <= character ) && ( character <= 0x0cff ) )
275 if( character <= 0x2c7f )
277 if( character <= 0x1eff )
279 if( ( 0x0d00 <= character ) && ( character <= 0x0d7f ) )
283 if( ( 0x0d80 <= character ) && ( character <= 0x0dff ) )
287 if( ( 0x0e00 <= character ) && ( character <= 0x0e7f ) )
291 if( ( 0x0e80 <= character ) && ( character <= 0x0eff ) )
295 if( ( 0x1000 <= character ) && ( character <= 0x109f ) )
299 if( ( 0x10a0 <= character ) && ( character <= 0x10ff ) )
303 if( ( 0x1100 <= character ) && ( character <= 0x11ff ) )
307 if( ( 0x1780 <= character ) && ( character <= 0x17ff ) )
311 if( ( 0x19e0 <= character ) && ( character <= 0x19ff ) )
315 if( ( 0x1d00 <= character ) && ( character <= 0x1eff ) )
322 if( ( 0x1f00 <= character ) && ( character <= 0x1fff ) )
326 if( character == 0x203c )
328 return EMOJI; // 5. Uncategorized: double exclamation mark
330 if( character == 0x2049 )
332 return EMOJI; // 5. Uncategorized: exclamation question mark
334 if( ( 0x2070 <= character ) && ( character <= 0x209f ) )
338 if( character == 0x20e3 )
340 return EMOJI; // 5. Uncategorized: combining enclosing keycap
342 if( character == 0x2122 )
344 return EMOJI; // 5. Uncategorized: trade mark sign
346 if( character == 0x2139 )
348 return EMOJI; // 5. Uncategorized: information source
350 if( ( 0x2100 <= character ) && ( character <= 0x218f ) )
354 // U+2194 5. Uncategorized: left right arrow
355 // U+2B55 5. Uncategorized: heavy large circle
356 if( ( 0x2194 <= character ) && ( character <= 0x2B55 ) )
360 if( ( 0x2c60 <= character ) && ( character <= 0x2c7f ) )
368 if( character <= 0xfdff )
370 if( ( 0x2d00 <= character ) && ( character <= 0x2d2f ) )
374 if( ( 0x2de0 <= character ) && ( character <= 0x2dff ) )
378 if( ( 0x2e80 <= character ) && ( character <= 0x2eff ) )
382 if( ( 0x2f00 <= character ) && ( character <= 0x2fdf ) )
386 if( ( 0x3000 <= character ) && ( character <= 0x303f ) )
390 if( ( 0x3040 <= character ) && ( character <= 0x309f ) )
394 if( ( 0x30a0 <= character ) && ( character <= 0x30ff ) )
398 if( ( 0x3130 <= character ) && ( character <= 0x318f ) )
402 if( ( 0x3200 <= character ) && ( character <= 0x32ff ) )
406 if( ( 0x3400 <= character ) && ( character <= 0x4dbf ) )
410 if( ( 0x4e00 <= character ) && ( character <= 0x62ff ) )
414 if( ( 0x6300 <= character ) && ( character <= 0x77ff ) )
418 if( ( 0x7800 <= character ) && ( character <= 0x8cff ) )
422 if( ( 0x8d00 <= character ) && ( character <= 0x9fff ) )
426 if( ( 0xa640 <= character ) && ( character <= 0xa69f ) )
430 if( ( 0xa720 <= character ) && ( character <= 0xa7ff ) )
434 if( ( 0xa960 <= character ) && ( character <= 0xa97f ) )
438 if( ( 0xab30 <= character ) && ( character <= 0xab6f ) )
442 if( ( 0xac00 <= character ) && ( character <= 0xd7af ) )
446 if( ( 0xd7b0 <= character ) && ( character <= 0xd7ff ) )
450 if( ( 0xfb00 <= character ) && ( character <= 0xfb06 ) )
454 if( ( 0xfb13 <= character ) && ( character <= 0xfb17 ) )
458 if( ( 0xfb1d <= character ) && ( character <= 0xfb4f ) )
462 if( ( 0xfb50 <= character ) && ( character <= 0xfdff ) )
469 if( ( 0xfe70 <= character ) && ( character <= 0xfeff ) )
473 if( ( 0xff00 <= character ) && ( character <= 0xffef ) )
477 if( ( 0x1ee00 <= character ) && ( character <= 0x1eeff ) )
481 // U+1f170 4. Enclosed characters: negative squared latin capital letter A
482 // U+1f6c5 6b. Additional transport and map symbols
483 if( ( 0x1f170 <= character ) && ( character <= 0x1f6c5 ) )
487 if( ( 0x20000 <= character ) && ( character <= 0x215ff ) )
491 if( ( 0x21600 <= character ) && ( character <= 0x230ff ) )
495 if( ( 0x23100 <= character ) && ( character <= 0x245ff ) )
499 if( ( 0x24600 <= character ) && ( character <= 0x260ff ) )
503 if( ( 0x26100 <= character ) && ( character <= 0x275ff ) )
507 if( ( 0x27600 <= character ) && ( character <= 0x290ff ) )
511 if( ( 0x29100 <= character ) && ( character <= 0x2a6df ) )
515 if( ( 0x2a700 <= character ) && ( character <= 0x2b73f ) )
519 if( ( 0x2b740 <= character ) && ( character <= 0x2b81f ) )
530 bool IsWhiteSpace( Character character )
532 return character < WHITE_SPACE_THRESHOLD;
535 bool IsNewParagraph( Character character )
537 return ( ( CHAR_LF == character ) ||
538 ( CHAR_VT == character ) ||
539 ( CHAR_FF == character ) ||
540 ( CHAR_CR == character ) ||
541 ( CHAR_NEL == character ) ||
542 ( CHAR_LS == character ) ||
543 ( CHAR_PS == character ) );
546 bool IsZeroWidthNonJoiner( Character character )
548 return CHAR_ZWNJ == character;
551 bool IsZeroWidthJoiner( Character character )
553 return CHAR_ZWJ == character;
556 bool IsZeroWidthSpace( Character character )
558 return CHAR_ZWS == character;
561 bool IsLeftToRightMark( Character character )
563 return CHAR_LTRM == character;
566 bool IsRightToLeftMark( Character character )
568 return CHAR_RTLM == character;
571 bool IsThinSpace( Character character )
573 return CHAR_TS == character;
576 bool IsCommonScript( Character character )
578 return ( IsWhiteSpace( character ) ||
579 IsZeroWidthNonJoiner( character ) ||
580 IsZeroWidthJoiner( character ) ||
581 IsZeroWidthSpace( character ) ||
582 IsLeftToRightMark( character ) ||
583 IsRightToLeftMark( character ) ||
584 IsThinSpace( character ) ||
585 IsNewParagraph( character ) );
588 } // namespace TextAbstraction