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1  /* gunicode.h - Unicode manipulation functions
2   *
3   *  Copyright (C) 1999, 2000 Tom Tromey
4   *  Copyright 2000, 2005 Red Hat, Inc.
5   *
6   * This library is free software; you can redistribute it and/or
7   * modify it under the terms of the GNU Lesser General Public
8   * License as published by the Free Software Foundation; either
9   * version 2.1 of the License, or (at your option) any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public License
17   * along with this library; if not, see <http://www.gnu.org/licenses/>.
18   */
19  
20  #ifndef __G_UNICODE_H__
21  #define __G_UNICODE_H__
22  
23  #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
24  #error "Only <glib.h> can be included directly."
25  #endif
26  
27  #include <glib/gerror.h>
28  #include <glib/gtypes.h>
29  
30  G_BEGIN_DECLS
31  
32  /**
33   * gunichar:
34   *
35   * A type which can hold any UTF-32 or UCS-4 character code,
36   * also known as a Unicode code point.
37   *
38   * If you want to produce the UTF-8 representation of a #gunichar,
39   * use g_ucs4_to_utf8(). See also g_utf8_to_ucs4() for the reverse
40   * process.
41   *
42   * To print/scan values of this type as integer, use
43   * %G_GINT32_MODIFIER and/or %G_GUINT32_FORMAT.
44   *
45   * The notation to express a Unicode code point in running text is
46   * as a hexadecimal number with four to six digits and uppercase
47   * letters, prefixed by the string "U+". Leading zeros are omitted,
48   * unless the code point would have fewer than four hexadecimal digits.
49   * For example, "U+0041 LATIN CAPITAL LETTER A". To print a code point
50   * in the U+-notation, use the format string "U+\%04"G_GINT32_FORMAT"X".
51   * To scan, use the format string "U+\%06"G_GINT32_FORMAT"X".
52   *
53   * |[
54   * gunichar c;
55   * sscanf ("U+0041", "U+%06"G_GINT32_FORMAT"X", &amp;c)
56   * g_print ("Read U+%04"G_GINT32_FORMAT"X", c);
57   * ]|
58   */
59  typedef guint32 gunichar;
60  
61  /**
62   * gunichar2:
63   *
64   * A type which can hold any UTF-16 code
65   * point<footnote id="utf16_surrogate_pairs">UTF-16 also has so called
66   * <firstterm>surrogate pairs</firstterm> to encode characters beyond
67   * the BMP as pairs of 16bit numbers. Surrogate pairs cannot be stored
68   * in a single gunichar2 field, but all GLib functions accepting gunichar2
69   * arrays will correctly interpret surrogate pairs.</footnote>.
70   *
71   * To print/scan values of this type to/from text you need to convert
72   * to/from UTF-8, using g_utf16_to_utf8()/g_utf8_to_utf16().
73   *
74   * To print/scan values of this type as integer, use
75   * %G_GINT16_MODIFIER and/or %G_GUINT16_FORMAT.
76   */
77  typedef guint16 gunichar2;
78  
79  /**
80   * GUnicodeType:
81   * @G_UNICODE_CONTROL: General category "Other, Control" (Cc)
82   * @G_UNICODE_FORMAT: General category "Other, Format" (Cf)
83   * @G_UNICODE_UNASSIGNED: General category "Other, Not Assigned" (Cn)
84   * @G_UNICODE_PRIVATE_USE: General category "Other, Private Use" (Co)
85   * @G_UNICODE_SURROGATE: General category "Other, Surrogate" (Cs)
86   * @G_UNICODE_LOWERCASE_LETTER: General category "Letter, Lowercase" (Ll)
87   * @G_UNICODE_MODIFIER_LETTER: General category "Letter, Modifier" (Lm)
88   * @G_UNICODE_OTHER_LETTER: General category "Letter, Other" (Lo)
89   * @G_UNICODE_TITLECASE_LETTER: General category "Letter, Titlecase" (Lt)
90   * @G_UNICODE_UPPERCASE_LETTER: General category "Letter, Uppercase" (Lu)
91   * @G_UNICODE_SPACING_MARK: General category "Mark, Spacing" (Mc)
92   * @G_UNICODE_ENCLOSING_MARK: General category "Mark, Enclosing" (Me)
93   * @G_UNICODE_NON_SPACING_MARK: General category "Mark, Nonspacing" (Mn)
94   * @G_UNICODE_DECIMAL_NUMBER: General category "Number, Decimal Digit" (Nd)
95   * @G_UNICODE_LETTER_NUMBER: General category "Number, Letter" (Nl)
96   * @G_UNICODE_OTHER_NUMBER: General category "Number, Other" (No)
97   * @G_UNICODE_CONNECT_PUNCTUATION: General category "Punctuation, Connector" (Pc)
98   * @G_UNICODE_DASH_PUNCTUATION: General category "Punctuation, Dash" (Pd)
99   * @G_UNICODE_CLOSE_PUNCTUATION: General category "Punctuation, Close" (Pe)
100   * @G_UNICODE_FINAL_PUNCTUATION: General category "Punctuation, Final quote" (Pf)
101   * @G_UNICODE_INITIAL_PUNCTUATION: General category "Punctuation, Initial quote" (Pi)
102   * @G_UNICODE_OTHER_PUNCTUATION: General category "Punctuation, Other" (Po)
103   * @G_UNICODE_OPEN_PUNCTUATION: General category "Punctuation, Open" (Ps)
104   * @G_UNICODE_CURRENCY_SYMBOL: General category "Symbol, Currency" (Sc)
105   * @G_UNICODE_MODIFIER_SYMBOL: General category "Symbol, Modifier" (Sk)
106   * @G_UNICODE_MATH_SYMBOL: General category "Symbol, Math" (Sm)
107   * @G_UNICODE_OTHER_SYMBOL: General category "Symbol, Other" (So)
108   * @G_UNICODE_LINE_SEPARATOR: General category "Separator, Line" (Zl)
109   * @G_UNICODE_PARAGRAPH_SEPARATOR: General category "Separator, Paragraph" (Zp)
110   * @G_UNICODE_SPACE_SEPARATOR: General category "Separator, Space" (Zs)
111   *
112   * These are the possible character classifications from the
113   * Unicode specification.
114   * See [Unicode Character Database](http://www.unicode.org/reports/tr44/#General_Category_Values).
115   */
116  typedef enum
117  {
118    G_UNICODE_CONTROL,
119    G_UNICODE_FORMAT,
120    G_UNICODE_UNASSIGNED,
121    G_UNICODE_PRIVATE_USE,
122    G_UNICODE_SURROGATE,
123    G_UNICODE_LOWERCASE_LETTER,
124    G_UNICODE_MODIFIER_LETTER,
125    G_UNICODE_OTHER_LETTER,
126    G_UNICODE_TITLECASE_LETTER,
127    G_UNICODE_UPPERCASE_LETTER,
128    G_UNICODE_SPACING_MARK,
129    G_UNICODE_ENCLOSING_MARK,
130    G_UNICODE_NON_SPACING_MARK,
131    G_UNICODE_DECIMAL_NUMBER,
132    G_UNICODE_LETTER_NUMBER,
133    G_UNICODE_OTHER_NUMBER,
134    G_UNICODE_CONNECT_PUNCTUATION,
135    G_UNICODE_DASH_PUNCTUATION,
136    G_UNICODE_CLOSE_PUNCTUATION,
137    G_UNICODE_FINAL_PUNCTUATION,
138    G_UNICODE_INITIAL_PUNCTUATION,
139    G_UNICODE_OTHER_PUNCTUATION,
140    G_UNICODE_OPEN_PUNCTUATION,
141    G_UNICODE_CURRENCY_SYMBOL,
142    G_UNICODE_MODIFIER_SYMBOL,
143    G_UNICODE_MATH_SYMBOL,
144    G_UNICODE_OTHER_SYMBOL,
145    G_UNICODE_LINE_SEPARATOR,
146    G_UNICODE_PARAGRAPH_SEPARATOR,
147    G_UNICODE_SPACE_SEPARATOR
148  } GUnicodeType;
149  
150  /**
151   * G_UNICODE_COMBINING_MARK:
152   *
153   * Older name for %G_UNICODE_SPACING_MARK.
154   *
155   * Deprecated: 2.30: Use %G_UNICODE_SPACING_MARK.
156   */
157  #define G_UNICODE_COMBINING_MARK G_UNICODE_SPACING_MARK GLIB_DEPRECATED_MACRO_IN_2_30_FOR(G_UNICODE_SPACING_MARK)
158  
159  /**
160   * GUnicodeBreakType:
161   * @G_UNICODE_BREAK_MANDATORY: Mandatory Break (BK)
162   * @G_UNICODE_BREAK_CARRIAGE_RETURN: Carriage Return (CR)
163   * @G_UNICODE_BREAK_LINE_FEED: Line Feed (LF)
164   * @G_UNICODE_BREAK_COMBINING_MARK: Attached Characters and Combining Marks (CM)
165   * @G_UNICODE_BREAK_SURROGATE: Surrogates (SG)
166   * @G_UNICODE_BREAK_ZERO_WIDTH_SPACE: Zero Width Space (ZW)
167   * @G_UNICODE_BREAK_INSEPARABLE: Inseparable (IN)
168   * @G_UNICODE_BREAK_NON_BREAKING_GLUE: Non-breaking ("Glue") (GL)
169   * @G_UNICODE_BREAK_CONTINGENT: Contingent Break Opportunity (CB)
170   * @G_UNICODE_BREAK_SPACE: Space (SP)
171   * @G_UNICODE_BREAK_AFTER: Break Opportunity After (BA)
172   * @G_UNICODE_BREAK_BEFORE: Break Opportunity Before (BB)
173   * @G_UNICODE_BREAK_BEFORE_AND_AFTER: Break Opportunity Before and After (B2)
174   * @G_UNICODE_BREAK_HYPHEN: Hyphen (HY)
175   * @G_UNICODE_BREAK_NON_STARTER: Nonstarter (NS)
176   * @G_UNICODE_BREAK_OPEN_PUNCTUATION: Opening Punctuation (OP)
177   * @G_UNICODE_BREAK_CLOSE_PUNCTUATION: Closing Punctuation (CL)
178   * @G_UNICODE_BREAK_QUOTATION: Ambiguous Quotation (QU)
179   * @G_UNICODE_BREAK_EXCLAMATION: Exclamation/Interrogation (EX)
180   * @G_UNICODE_BREAK_IDEOGRAPHIC: Ideographic (ID)
181   * @G_UNICODE_BREAK_NUMERIC: Numeric (NU)
182   * @G_UNICODE_BREAK_INFIX_SEPARATOR: Infix Separator (Numeric) (IS)
183   * @G_UNICODE_BREAK_SYMBOL: Symbols Allowing Break After (SY)
184   * @G_UNICODE_BREAK_ALPHABETIC: Ordinary Alphabetic and Symbol Characters (AL)
185   * @G_UNICODE_BREAK_PREFIX: Prefix (Numeric) (PR)
186   * @G_UNICODE_BREAK_POSTFIX: Postfix (Numeric) (PO)
187   * @G_UNICODE_BREAK_COMPLEX_CONTEXT: Complex Content Dependent (South East Asian) (SA)
188   * @G_UNICODE_BREAK_AMBIGUOUS: Ambiguous (Alphabetic or Ideographic) (AI)
189   * @G_UNICODE_BREAK_UNKNOWN: Unknown (XX)
190   * @G_UNICODE_BREAK_NEXT_LINE: Next Line (NL)
191   * @G_UNICODE_BREAK_WORD_JOINER: Word Joiner (WJ)
192   * @G_UNICODE_BREAK_HANGUL_L_JAMO: Hangul L Jamo (JL)
193   * @G_UNICODE_BREAK_HANGUL_V_JAMO: Hangul V Jamo (JV)
194   * @G_UNICODE_BREAK_HANGUL_T_JAMO: Hangul T Jamo (JT)
195   * @G_UNICODE_BREAK_HANGUL_LV_SYLLABLE: Hangul LV Syllable (H2)
196   * @G_UNICODE_BREAK_HANGUL_LVT_SYLLABLE: Hangul LVT Syllable (H3)
197   * @G_UNICODE_BREAK_CLOSE_PARANTHESIS: Closing Parenthesis (CP). Since 2.28
198   * @G_UNICODE_BREAK_CONDITIONAL_JAPANESE_STARTER: Conditional Japanese Starter (CJ). Since: 2.32
199   * @G_UNICODE_BREAK_HEBREW_LETTER: Hebrew Letter (HL). Since: 2.32
200   * @G_UNICODE_BREAK_REGIONAL_INDICATOR: Regional Indicator (RI). Since: 2.36
201   * @G_UNICODE_BREAK_EMOJI_BASE: Emoji Base (EB). Since: 2.50
202   * @G_UNICODE_BREAK_EMOJI_MODIFIER: Emoji Modifier (EM). Since: 2.50
203   * @G_UNICODE_BREAK_ZERO_WIDTH_JOINER: Zero Width Joiner (ZWJ). Since: 2.50
204   *
205   * These are the possible line break classifications.
206   *
207   * Since new unicode versions may add new types here, applications should be ready
208   * to handle unknown values. They may be regarded as %G_UNICODE_BREAK_UNKNOWN.
209   *
210   * See [Unicode Line Breaking Algorithm](http://www.unicode.org/unicode/reports/tr14/).
211   */
212  typedef enum
213  {
214    G_UNICODE_BREAK_MANDATORY,
215    G_UNICODE_BREAK_CARRIAGE_RETURN,
216    G_UNICODE_BREAK_LINE_FEED,
217    G_UNICODE_BREAK_COMBINING_MARK,
218    G_UNICODE_BREAK_SURROGATE,
219    G_UNICODE_BREAK_ZERO_WIDTH_SPACE,
220    G_UNICODE_BREAK_INSEPARABLE,
221    G_UNICODE_BREAK_NON_BREAKING_GLUE,
222    G_UNICODE_BREAK_CONTINGENT,
223    G_UNICODE_BREAK_SPACE,
224    G_UNICODE_BREAK_AFTER,
225    G_UNICODE_BREAK_BEFORE,
226    G_UNICODE_BREAK_BEFORE_AND_AFTER,
227    G_UNICODE_BREAK_HYPHEN,
228    G_UNICODE_BREAK_NON_STARTER,
229    G_UNICODE_BREAK_OPEN_PUNCTUATION,
230    G_UNICODE_BREAK_CLOSE_PUNCTUATION,
231    G_UNICODE_BREAK_QUOTATION,
232    G_UNICODE_BREAK_EXCLAMATION,
233    G_UNICODE_BREAK_IDEOGRAPHIC,
234    G_UNICODE_BREAK_NUMERIC,
235    G_UNICODE_BREAK_INFIX_SEPARATOR,
236    G_UNICODE_BREAK_SYMBOL,
237    G_UNICODE_BREAK_ALPHABETIC,
238    G_UNICODE_BREAK_PREFIX,
239    G_UNICODE_BREAK_POSTFIX,
240    G_UNICODE_BREAK_COMPLEX_CONTEXT,
241    G_UNICODE_BREAK_AMBIGUOUS,
242    G_UNICODE_BREAK_UNKNOWN,
243    G_UNICODE_BREAK_NEXT_LINE,
244    G_UNICODE_BREAK_WORD_JOINER,
245    G_UNICODE_BREAK_HANGUL_L_JAMO,
246    G_UNICODE_BREAK_HANGUL_V_JAMO,
247    G_UNICODE_BREAK_HANGUL_T_JAMO,
248    G_UNICODE_BREAK_HANGUL_LV_SYLLABLE,
249    G_UNICODE_BREAK_HANGUL_LVT_SYLLABLE,
250    G_UNICODE_BREAK_CLOSE_PARANTHESIS,
251    G_UNICODE_BREAK_CONDITIONAL_JAPANESE_STARTER,
252    G_UNICODE_BREAK_HEBREW_LETTER,
253    G_UNICODE_BREAK_REGIONAL_INDICATOR,
254    G_UNICODE_BREAK_EMOJI_BASE,
255    G_UNICODE_BREAK_EMOJI_MODIFIER,
256    G_UNICODE_BREAK_ZERO_WIDTH_JOINER
257  } GUnicodeBreakType;
258  
259  /**
260   * GUnicodeScript:
261   * @G_UNICODE_SCRIPT_INVALID_CODE:
262   *                               a value never returned from g_unichar_get_script()
263   * @G_UNICODE_SCRIPT_COMMON:     a character used by multiple different scripts
264   * @G_UNICODE_SCRIPT_INHERITED:  a mark glyph that takes its script from the
265   *                               base glyph to which it is attached
266   * @G_UNICODE_SCRIPT_ARABIC:     Arabic
267   * @G_UNICODE_SCRIPT_ARMENIAN:   Armenian
268   * @G_UNICODE_SCRIPT_BENGALI:    Bengali
269   * @G_UNICODE_SCRIPT_BOPOMOFO:   Bopomofo
270   * @G_UNICODE_SCRIPT_CHEROKEE:   Cherokee
271   * @G_UNICODE_SCRIPT_COPTIC:     Coptic
272   * @G_UNICODE_SCRIPT_CYRILLIC:   Cyrillic
273   * @G_UNICODE_SCRIPT_DESERET:    Deseret
274   * @G_UNICODE_SCRIPT_DEVANAGARI: Devanagari
275   * @G_UNICODE_SCRIPT_ETHIOPIC:   Ethiopic
276   * @G_UNICODE_SCRIPT_GEORGIAN:   Georgian
277   * @G_UNICODE_SCRIPT_GOTHIC:     Gothic
278   * @G_UNICODE_SCRIPT_GREEK:      Greek
279   * @G_UNICODE_SCRIPT_GUJARATI:   Gujarati
280   * @G_UNICODE_SCRIPT_GURMUKHI:   Gurmukhi
281   * @G_UNICODE_SCRIPT_HAN:        Han
282   * @G_UNICODE_SCRIPT_HANGUL:     Hangul
283   * @G_UNICODE_SCRIPT_HEBREW:     Hebrew
284   * @G_UNICODE_SCRIPT_HIRAGANA:   Hiragana
285   * @G_UNICODE_SCRIPT_KANNADA:    Kannada
286   * @G_UNICODE_SCRIPT_KATAKANA:   Katakana
287   * @G_UNICODE_SCRIPT_KHMER:      Khmer
288   * @G_UNICODE_SCRIPT_LAO:        Lao
289   * @G_UNICODE_SCRIPT_LATIN:      Latin
290   * @G_UNICODE_SCRIPT_MALAYALAM:  Malayalam
291   * @G_UNICODE_SCRIPT_MONGOLIAN:  Mongolian
292   * @G_UNICODE_SCRIPT_MYANMAR:    Myanmar
293   * @G_UNICODE_SCRIPT_OGHAM:      Ogham
294   * @G_UNICODE_SCRIPT_OLD_ITALIC: Old Italic
295   * @G_UNICODE_SCRIPT_ORIYA:      Oriya
296   * @G_UNICODE_SCRIPT_RUNIC:      Runic
297   * @G_UNICODE_SCRIPT_SINHALA:    Sinhala
298   * @G_UNICODE_SCRIPT_SYRIAC:     Syriac
299   * @G_UNICODE_SCRIPT_TAMIL:      Tamil
300   * @G_UNICODE_SCRIPT_TELUGU:     Telugu
301   * @G_UNICODE_SCRIPT_THAANA:     Thaana
302   * @G_UNICODE_SCRIPT_THAI:       Thai
303   * @G_UNICODE_SCRIPT_TIBETAN:    Tibetan
304   * @G_UNICODE_SCRIPT_CANADIAN_ABORIGINAL:
305   *                               Canadian Aboriginal
306   * @G_UNICODE_SCRIPT_YI:         Yi
307   * @G_UNICODE_SCRIPT_TAGALOG:    Tagalog
308   * @G_UNICODE_SCRIPT_HANUNOO:    Hanunoo
309   * @G_UNICODE_SCRIPT_BUHID:      Buhid
310   * @G_UNICODE_SCRIPT_TAGBANWA:   Tagbanwa
311   * @G_UNICODE_SCRIPT_BRAILLE:    Braille
312   * @G_UNICODE_SCRIPT_CYPRIOT:    Cypriot
313   * @G_UNICODE_SCRIPT_LIMBU:      Limbu
314   * @G_UNICODE_SCRIPT_OSMANYA:    Osmanya
315   * @G_UNICODE_SCRIPT_SHAVIAN:    Shavian
316   * @G_UNICODE_SCRIPT_LINEAR_B:   Linear B
317   * @G_UNICODE_SCRIPT_TAI_LE:     Tai Le
318   * @G_UNICODE_SCRIPT_UGARITIC:   Ugaritic
319   * @G_UNICODE_SCRIPT_NEW_TAI_LUE:
320   *                               New Tai Lue
321   * @G_UNICODE_SCRIPT_BUGINESE:   Buginese
322   * @G_UNICODE_SCRIPT_GLAGOLITIC: Glagolitic
323   * @G_UNICODE_SCRIPT_TIFINAGH:   Tifinagh
324   * @G_UNICODE_SCRIPT_SYLOTI_NAGRI:
325   *                               Syloti Nagri
326   * @G_UNICODE_SCRIPT_OLD_PERSIAN:
327   *                               Old Persian
328   * @G_UNICODE_SCRIPT_KHAROSHTHI: Kharoshthi
329   * @G_UNICODE_SCRIPT_UNKNOWN:    an unassigned code point
330   * @G_UNICODE_SCRIPT_BALINESE:   Balinese
331   * @G_UNICODE_SCRIPT_CUNEIFORM:  Cuneiform
332   * @G_UNICODE_SCRIPT_PHOENICIAN: Phoenician
333   * @G_UNICODE_SCRIPT_PHAGS_PA:   Phags-pa
334   * @G_UNICODE_SCRIPT_NKO:        N'Ko
335   * @G_UNICODE_SCRIPT_KAYAH_LI:   Kayah Li. Since 2.16.3
336   * @G_UNICODE_SCRIPT_LEPCHA:     Lepcha. Since 2.16.3
337   * @G_UNICODE_SCRIPT_REJANG:     Rejang. Since 2.16.3
338   * @G_UNICODE_SCRIPT_SUNDANESE:  Sundanese. Since 2.16.3
339   * @G_UNICODE_SCRIPT_SAURASHTRA: Saurashtra. Since 2.16.3
340   * @G_UNICODE_SCRIPT_CHAM:       Cham. Since 2.16.3
341   * @G_UNICODE_SCRIPT_OL_CHIKI:   Ol Chiki. Since 2.16.3
342   * @G_UNICODE_SCRIPT_VAI:        Vai. Since 2.16.3
343   * @G_UNICODE_SCRIPT_CARIAN:     Carian. Since 2.16.3
344   * @G_UNICODE_SCRIPT_LYCIAN:     Lycian. Since 2.16.3
345   * @G_UNICODE_SCRIPT_LYDIAN:     Lydian. Since 2.16.3
346   * @G_UNICODE_SCRIPT_AVESTAN:    Avestan. Since 2.26
347   * @G_UNICODE_SCRIPT_BAMUM:      Bamum. Since 2.26
348   * @G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS:
349   *                               Egyptian Hieroglpyhs. Since 2.26
350   * @G_UNICODE_SCRIPT_IMPERIAL_ARAMAIC:
351   *                               Imperial Aramaic. Since 2.26
352   * @G_UNICODE_SCRIPT_INSCRIPTIONAL_PAHLAVI:
353   *                               Inscriptional Pahlavi. Since 2.26
354   * @G_UNICODE_SCRIPT_INSCRIPTIONAL_PARTHIAN:
355   *                               Inscriptional Parthian. Since 2.26
356   * @G_UNICODE_SCRIPT_JAVANESE:   Javanese. Since 2.26
357   * @G_UNICODE_SCRIPT_KAITHI:     Kaithi. Since 2.26
358   * @G_UNICODE_SCRIPT_LISU:       Lisu. Since 2.26
359   * @G_UNICODE_SCRIPT_MEETEI_MAYEK:
360   *                               Meetei Mayek. Since 2.26
361   * @G_UNICODE_SCRIPT_OLD_SOUTH_ARABIAN:
362   *                               Old South Arabian. Since 2.26
363   * @G_UNICODE_SCRIPT_OLD_TURKIC: Old Turkic. Since 2.28
364   * @G_UNICODE_SCRIPT_SAMARITAN:  Samaritan. Since 2.26
365   * @G_UNICODE_SCRIPT_TAI_THAM:   Tai Tham. Since 2.26
366   * @G_UNICODE_SCRIPT_TAI_VIET:   Tai Viet. Since 2.26
367   * @G_UNICODE_SCRIPT_BATAK:      Batak. Since 2.28
368   * @G_UNICODE_SCRIPT_BRAHMI:     Brahmi. Since 2.28
369   * @G_UNICODE_SCRIPT_MANDAIC:    Mandaic. Since 2.28
370   * @G_UNICODE_SCRIPT_CHAKMA:               Chakma. Since: 2.32
371   * @G_UNICODE_SCRIPT_MEROITIC_CURSIVE:     Meroitic Cursive. Since: 2.32
372   * @G_UNICODE_SCRIPT_MEROITIC_HIEROGLYPHS: Meroitic Hieroglyphs. Since: 2.32
373   * @G_UNICODE_SCRIPT_MIAO:                 Miao. Since: 2.32
374   * @G_UNICODE_SCRIPT_SHARADA:              Sharada. Since: 2.32
375   * @G_UNICODE_SCRIPT_SORA_SOMPENG:         Sora Sompeng. Since: 2.32
376   * @G_UNICODE_SCRIPT_TAKRI:                Takri. Since: 2.32
377   * @G_UNICODE_SCRIPT_BASSA_VAH:            Bassa. Since: 2.42
378   * @G_UNICODE_SCRIPT_CAUCASIAN_ALBANIAN:   Caucasian Albanian. Since: 2.42
379   * @G_UNICODE_SCRIPT_DUPLOYAN:             Duployan. Since: 2.42
380   * @G_UNICODE_SCRIPT_ELBASAN:              Elbasan. Since: 2.42
381   * @G_UNICODE_SCRIPT_GRANTHA:              Grantha. Since: 2.42
382   * @G_UNICODE_SCRIPT_KHOJKI:               Kjohki. Since: 2.42
383   * @G_UNICODE_SCRIPT_KHUDAWADI:            Khudawadi, Sindhi. Since: 2.42
384   * @G_UNICODE_SCRIPT_LINEAR_A:             Linear A. Since: 2.42
385   * @G_UNICODE_SCRIPT_MAHAJANI:             Mahajani. Since: 2.42
386   * @G_UNICODE_SCRIPT_MANICHAEAN:           Manichaean. Since: 2.42
387   * @G_UNICODE_SCRIPT_MENDE_KIKAKUI:        Mende Kikakui. Since: 2.42
388   * @G_UNICODE_SCRIPT_MODI:                 Modi. Since: 2.42
389   * @G_UNICODE_SCRIPT_MRO:                  Mro. Since: 2.42
390   * @G_UNICODE_SCRIPT_NABATAEAN:            Nabataean. Since: 2.42
391   * @G_UNICODE_SCRIPT_OLD_NORTH_ARABIAN:    Old North Arabian. Since: 2.42
392   * @G_UNICODE_SCRIPT_OLD_PERMIC:           Old Permic. Since: 2.42
393   * @G_UNICODE_SCRIPT_PAHAWH_HMONG:         Pahawh Hmong. Since: 2.42
394   * @G_UNICODE_SCRIPT_PALMYRENE:            Palmyrene. Since: 2.42
395   * @G_UNICODE_SCRIPT_PAU_CIN_HAU:          Pau Cin Hau. Since: 2.42
396   * @G_UNICODE_SCRIPT_PSALTER_PAHLAVI:      Psalter Pahlavi. Since: 2.42
397   * @G_UNICODE_SCRIPT_SIDDHAM:              Siddham. Since: 2.42
398   * @G_UNICODE_SCRIPT_TIRHUTA:              Tirhuta. Since: 2.42
399   * @G_UNICODE_SCRIPT_WARANG_CITI:          Warang Citi. Since: 2.42
400   * @G_UNICODE_SCRIPT_AHOM:                 Ahom. Since: 2.48
401   * @G_UNICODE_SCRIPT_ANATOLIAN_HIEROGLYPHS: Anatolian Hieroglyphs. Since: 2.48
402   * @G_UNICODE_SCRIPT_HATRAN:               Hatran. Since: 2.48
403   * @G_UNICODE_SCRIPT_MULTANI:              Multani. Since: 2.48
404   * @G_UNICODE_SCRIPT_OLD_HUNGARIAN:        Old Hungarian. Since: 2.48
405   * @G_UNICODE_SCRIPT_SIGNWRITING:          Signwriting. Since: 2.48
406   * @G_UNICODE_SCRIPT_ADLAM:                Adlam. Since: 2.50
407   * @G_UNICODE_SCRIPT_BHAIKSUKI:            Bhaiksuki. Since: 2.50
408   * @G_UNICODE_SCRIPT_MARCHEN:              Marchen. Since: 2.50
409   * @G_UNICODE_SCRIPT_NEWA:                 Newa. Since: 2.50
410   * @G_UNICODE_SCRIPT_OSAGE:                Osage. Since: 2.50
411   * @G_UNICODE_SCRIPT_TANGUT:               Tangut. Since: 2.50
412   * @G_UNICODE_SCRIPT_MASARAM_GONDI:        Masaram Gondi. Since: 2.54
413   * @G_UNICODE_SCRIPT_NUSHU:                Nushu. Since: 2.54
414   * @G_UNICODE_SCRIPT_SOYOMBO:              Soyombo. Since: 2.54
415   * @G_UNICODE_SCRIPT_ZANABAZAR_SQUARE:     Zanabazar Square. Since: 2.54
416   * @G_UNICODE_SCRIPT_DOGRA:                Dogra. Since: 2.58
417   * @G_UNICODE_SCRIPT_GUNJALA_GONDI:        Gunjala Gondi. Since: 2.58
418   * @G_UNICODE_SCRIPT_HANIFI_ROHINGYA:      Hanifi Rohingya. Since: 2.58
419   * @G_UNICODE_SCRIPT_MAKASAR:              Makasar. Since: 2.58
420   * @G_UNICODE_SCRIPT_MEDEFAIDRIN:          Medefaidrin. Since: 2.58
421   * @G_UNICODE_SCRIPT_OLD_SOGDIAN:          Old Sogdian. Since: 2.58
422   * @G_UNICODE_SCRIPT_SOGDIAN:              Sogdian. Since: 2.58
423   * @G_UNICODE_SCRIPT_ELYMAIC:              Elym. Since: 2.62
424   * @G_UNICODE_SCRIPT_NANDINAGARI:          Nand. Since: 2.62
425   * @G_UNICODE_SCRIPT_NYIAKENG_PUACHUE_HMONG: Rohg. Since: 2.62
426   * @G_UNICODE_SCRIPT_WANCHO:               Wcho. Since: 2.62
427   * @G_UNICODE_SCRIPT_CHORASMIAN:           Chorasmian. Since: 2.66
428   * @G_UNICODE_SCRIPT_DIVES_AKURU:          Dives Akuru. Since: 2.66
429   * @G_UNICODE_SCRIPT_KHITAN_SMALL_SCRIPT:  Khitan small script. Since: 2.66
430   * @G_UNICODE_SCRIPT_YEZIDI:               Yezidi. Since: 2.66
431   *
432   * The #GUnicodeScript enumeration identifies different writing
433   * systems. The values correspond to the names as defined in the
434   * Unicode standard. The enumeration has been added in GLib 2.14,
435   * and is interchangeable with #PangoScript.
436   *
437   * Note that new types may be added in the future. Applications
438   * should be ready to handle unknown values.
439   * See [Unicode Standard Annex #24: Script names](http://www.unicode.org/reports/tr24/).
440   */
441  typedef enum
442  {                         /* ISO 15924 code */
443    G_UNICODE_SCRIPT_INVALID_CODE = -1,
444    G_UNICODE_SCRIPT_COMMON       = 0,   /* Zyyy */
445    G_UNICODE_SCRIPT_INHERITED,          /* Zinh (Qaai) */
446    G_UNICODE_SCRIPT_ARABIC,             /* Arab */
447    G_UNICODE_SCRIPT_ARMENIAN,           /* Armn */
448    G_UNICODE_SCRIPT_BENGALI,            /* Beng */
449    G_UNICODE_SCRIPT_BOPOMOFO,           /* Bopo */
450    G_UNICODE_SCRIPT_CHEROKEE,           /* Cher */
451    G_UNICODE_SCRIPT_COPTIC,             /* Copt (Qaac) */
452    G_UNICODE_SCRIPT_CYRILLIC,           /* Cyrl (Cyrs) */
453    G_UNICODE_SCRIPT_DESERET,            /* Dsrt */
454    G_UNICODE_SCRIPT_DEVANAGARI,         /* Deva */
455    G_UNICODE_SCRIPT_ETHIOPIC,           /* Ethi */
456    G_UNICODE_SCRIPT_GEORGIAN,           /* Geor (Geon, Geoa) */
457    G_UNICODE_SCRIPT_GOTHIC,             /* Goth */
458    G_UNICODE_SCRIPT_GREEK,              /* Grek */
459    G_UNICODE_SCRIPT_GUJARATI,           /* Gujr */
460    G_UNICODE_SCRIPT_GURMUKHI,           /* Guru */
461    G_UNICODE_SCRIPT_HAN,                /* Hani */
462    G_UNICODE_SCRIPT_HANGUL,             /* Hang */
463    G_UNICODE_SCRIPT_HEBREW,             /* Hebr */
464    G_UNICODE_SCRIPT_HIRAGANA,           /* Hira */
465    G_UNICODE_SCRIPT_KANNADA,            /* Knda */
466    G_UNICODE_SCRIPT_KATAKANA,           /* Kana */
467    G_UNICODE_SCRIPT_KHMER,              /* Khmr */
468    G_UNICODE_SCRIPT_LAO,                /* Laoo */
469    G_UNICODE_SCRIPT_LATIN,              /* Latn (Latf, Latg) */
470    G_UNICODE_SCRIPT_MALAYALAM,          /* Mlym */
471    G_UNICODE_SCRIPT_MONGOLIAN,          /* Mong */
472    G_UNICODE_SCRIPT_MYANMAR,            /* Mymr */
473    G_UNICODE_SCRIPT_OGHAM,              /* Ogam */
474    G_UNICODE_SCRIPT_OLD_ITALIC,         /* Ital */
475    G_UNICODE_SCRIPT_ORIYA,              /* Orya */
476    G_UNICODE_SCRIPT_RUNIC,              /* Runr */
477    G_UNICODE_SCRIPT_SINHALA,            /* Sinh */
478    G_UNICODE_SCRIPT_SYRIAC,             /* Syrc (Syrj, Syrn, Syre) */
479    G_UNICODE_SCRIPT_TAMIL,              /* Taml */
480    G_UNICODE_SCRIPT_TELUGU,             /* Telu */
481    G_UNICODE_SCRIPT_THAANA,             /* Thaa */
482    G_UNICODE_SCRIPT_THAI,               /* Thai */
483    G_UNICODE_SCRIPT_TIBETAN,            /* Tibt */
484    G_UNICODE_SCRIPT_CANADIAN_ABORIGINAL, /* Cans */
485    G_UNICODE_SCRIPT_YI,                 /* Yiii */
486    G_UNICODE_SCRIPT_TAGALOG,            /* Tglg */
487    G_UNICODE_SCRIPT_HANUNOO,            /* Hano */
488    G_UNICODE_SCRIPT_BUHID,              /* Buhd */
489    G_UNICODE_SCRIPT_TAGBANWA,           /* Tagb */
490  
491    /* Unicode-4.0 additions */
492    G_UNICODE_SCRIPT_BRAILLE,            /* Brai */
493    G_UNICODE_SCRIPT_CYPRIOT,            /* Cprt */
494    G_UNICODE_SCRIPT_LIMBU,              /* Limb */
495    G_UNICODE_SCRIPT_OSMANYA,            /* Osma */
496    G_UNICODE_SCRIPT_SHAVIAN,            /* Shaw */
497    G_UNICODE_SCRIPT_LINEAR_B,           /* Linb */
498    G_UNICODE_SCRIPT_TAI_LE,             /* Tale */
499    G_UNICODE_SCRIPT_UGARITIC,           /* Ugar */
500  
501    /* Unicode-4.1 additions */
502    G_UNICODE_SCRIPT_NEW_TAI_LUE,        /* Talu */
503    G_UNICODE_SCRIPT_BUGINESE,           /* Bugi */
504    G_UNICODE_SCRIPT_GLAGOLITIC,         /* Glag */
505    G_UNICODE_SCRIPT_TIFINAGH,           /* Tfng */
506    G_UNICODE_SCRIPT_SYLOTI_NAGRI,       /* Sylo */
507    G_UNICODE_SCRIPT_OLD_PERSIAN,        /* Xpeo */
508    G_UNICODE_SCRIPT_KHAROSHTHI,         /* Khar */
509  
510    /* Unicode-5.0 additions */
511    G_UNICODE_SCRIPT_UNKNOWN,            /* Zzzz */
512    G_UNICODE_SCRIPT_BALINESE,           /* Bali */
513    G_UNICODE_SCRIPT_CUNEIFORM,          /* Xsux */
514    G_UNICODE_SCRIPT_PHOENICIAN,         /* Phnx */
515    G_UNICODE_SCRIPT_PHAGS_PA,           /* Phag */
516    G_UNICODE_SCRIPT_NKO,                /* Nkoo */
517  
518    /* Unicode-5.1 additions */
519    G_UNICODE_SCRIPT_KAYAH_LI,           /* Kali */
520    G_UNICODE_SCRIPT_LEPCHA,             /* Lepc */
521    G_UNICODE_SCRIPT_REJANG,             /* Rjng */
522    G_UNICODE_SCRIPT_SUNDANESE,          /* Sund */
523    G_UNICODE_SCRIPT_SAURASHTRA,         /* Saur */
524    G_UNICODE_SCRIPT_CHAM,               /* Cham */
525    G_UNICODE_SCRIPT_OL_CHIKI,           /* Olck */
526    G_UNICODE_SCRIPT_VAI,                /* Vaii */
527    G_UNICODE_SCRIPT_CARIAN,             /* Cari */
528    G_UNICODE_SCRIPT_LYCIAN,             /* Lyci */
529    G_UNICODE_SCRIPT_LYDIAN,             /* Lydi */
530  
531    /* Unicode-5.2 additions */
532    G_UNICODE_SCRIPT_AVESTAN,                /* Avst */
533    G_UNICODE_SCRIPT_BAMUM,                  /* Bamu */
534    G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS,   /* Egyp */
535    G_UNICODE_SCRIPT_IMPERIAL_ARAMAIC,       /* Armi */
536    G_UNICODE_SCRIPT_INSCRIPTIONAL_PAHLAVI,  /* Phli */
537    G_UNICODE_SCRIPT_INSCRIPTIONAL_PARTHIAN, /* Prti */
538    G_UNICODE_SCRIPT_JAVANESE,               /* Java */
539    G_UNICODE_SCRIPT_KAITHI,                 /* Kthi */
540    G_UNICODE_SCRIPT_LISU,                   /* Lisu */
541    G_UNICODE_SCRIPT_MEETEI_MAYEK,           /* Mtei */
542    G_UNICODE_SCRIPT_OLD_SOUTH_ARABIAN,      /* Sarb */
543    G_UNICODE_SCRIPT_OLD_TURKIC,             /* Orkh */
544    G_UNICODE_SCRIPT_SAMARITAN,              /* Samr */
545    G_UNICODE_SCRIPT_TAI_THAM,               /* Lana */
546    G_UNICODE_SCRIPT_TAI_VIET,               /* Tavt */
547  
548    /* Unicode-6.0 additions */
549    G_UNICODE_SCRIPT_BATAK,                  /* Batk */
550    G_UNICODE_SCRIPT_BRAHMI,                 /* Brah */
551    G_UNICODE_SCRIPT_MANDAIC,                /* Mand */
552  
553    /* Unicode-6.1 additions */
554    G_UNICODE_SCRIPT_CHAKMA,                 /* Cakm */
555    G_UNICODE_SCRIPT_MEROITIC_CURSIVE,       /* Merc */
556    G_UNICODE_SCRIPT_MEROITIC_HIEROGLYPHS,   /* Mero */
557    G_UNICODE_SCRIPT_MIAO,                   /* Plrd */
558    G_UNICODE_SCRIPT_SHARADA,                /* Shrd */
559    G_UNICODE_SCRIPT_SORA_SOMPENG,           /* Sora */
560    G_UNICODE_SCRIPT_TAKRI,                  /* Takr */
561  
562    /* Unicode 7.0 additions */
563    G_UNICODE_SCRIPT_BASSA_VAH,              /* Bass */
564    G_UNICODE_SCRIPT_CAUCASIAN_ALBANIAN,     /* Aghb */
565    G_UNICODE_SCRIPT_DUPLOYAN,               /* Dupl */
566    G_UNICODE_SCRIPT_ELBASAN,                /* Elba */
567    G_UNICODE_SCRIPT_GRANTHA,                /* Gran */
568    G_UNICODE_SCRIPT_KHOJKI,                 /* Khoj */
569    G_UNICODE_SCRIPT_KHUDAWADI,              /* Sind */
570    G_UNICODE_SCRIPT_LINEAR_A,               /* Lina */
571    G_UNICODE_SCRIPT_MAHAJANI,               /* Mahj */
572    G_UNICODE_SCRIPT_MANICHAEAN,             /* Mani */
573    G_UNICODE_SCRIPT_MENDE_KIKAKUI,          /* Mend */
574    G_UNICODE_SCRIPT_MODI,                   /* Modi */
575    G_UNICODE_SCRIPT_MRO,                    /* Mroo */
576    G_UNICODE_SCRIPT_NABATAEAN,              /* Nbat */
577    G_UNICODE_SCRIPT_OLD_NORTH_ARABIAN,      /* Narb */
578    G_UNICODE_SCRIPT_OLD_PERMIC,             /* Perm */
579    G_UNICODE_SCRIPT_PAHAWH_HMONG,           /* Hmng */
580    G_UNICODE_SCRIPT_PALMYRENE,              /* Palm */
581    G_UNICODE_SCRIPT_PAU_CIN_HAU,            /* Pauc */
582    G_UNICODE_SCRIPT_PSALTER_PAHLAVI,        /* Phlp */
583    G_UNICODE_SCRIPT_SIDDHAM,                /* Sidd */
584    G_UNICODE_SCRIPT_TIRHUTA,                /* Tirh */
585    G_UNICODE_SCRIPT_WARANG_CITI,            /* Wara */
586  
587    /* Unicode 8.0 additions */
588    G_UNICODE_SCRIPT_AHOM,                   /* Ahom */
589    G_UNICODE_SCRIPT_ANATOLIAN_HIEROGLYPHS,  /* Hluw */
590    G_UNICODE_SCRIPT_HATRAN,                 /* Hatr */
591    G_UNICODE_SCRIPT_MULTANI,                /* Mult */
592    G_UNICODE_SCRIPT_OLD_HUNGARIAN,          /* Hung */
593    G_UNICODE_SCRIPT_SIGNWRITING,            /* Sgnw */
594  
595    /* Unicode 9.0 additions */
596    G_UNICODE_SCRIPT_ADLAM,                  /* Adlm */
597    G_UNICODE_SCRIPT_BHAIKSUKI,              /* Bhks */
598    G_UNICODE_SCRIPT_MARCHEN,                /* Marc */
599    G_UNICODE_SCRIPT_NEWA,                   /* Newa */
600    G_UNICODE_SCRIPT_OSAGE,                  /* Osge */
601    G_UNICODE_SCRIPT_TANGUT,                 /* Tang */
602  
603    /* Unicode 10.0 additions */
604    G_UNICODE_SCRIPT_MASARAM_GONDI,          /* Gonm */
605    G_UNICODE_SCRIPT_NUSHU,                  /* Nshu */
606    G_UNICODE_SCRIPT_SOYOMBO,                /* Soyo */
607    G_UNICODE_SCRIPT_ZANABAZAR_SQUARE,       /* Zanb */
608  
609    /* Unicode 11.0 additions */
610    G_UNICODE_SCRIPT_DOGRA,                  /* Dogr */
611    G_UNICODE_SCRIPT_GUNJALA_GONDI,          /* Gong */
612    G_UNICODE_SCRIPT_HANIFI_ROHINGYA,        /* Rohg */
613    G_UNICODE_SCRIPT_MAKASAR,                /* Maka */
614    G_UNICODE_SCRIPT_MEDEFAIDRIN,            /* Medf */
615    G_UNICODE_SCRIPT_OLD_SOGDIAN,            /* Sogo */
616    G_UNICODE_SCRIPT_SOGDIAN,                /* Sogd */
617  
618    /* Unicode 12.0 additions */
619    G_UNICODE_SCRIPT_ELYMAIC,                /* Elym */
620    G_UNICODE_SCRIPT_NANDINAGARI,            /* Nand */
621    G_UNICODE_SCRIPT_NYIAKENG_PUACHUE_HMONG, /* Rohg */
622    G_UNICODE_SCRIPT_WANCHO,                 /* Wcho */
623  
624    /* Unicode 13.0 additions */
625    G_UNICODE_SCRIPT_CHORASMIAN,             /* Chrs */
626    G_UNICODE_SCRIPT_DIVES_AKURU,            /* Diak */
627    G_UNICODE_SCRIPT_KHITAN_SMALL_SCRIPT,    /* Kits */
628    G_UNICODE_SCRIPT_YEZIDI                  /* Yezi */
629  } GUnicodeScript;
630  
631  GLIB_AVAILABLE_IN_ALL
632  guint32        g_unicode_script_to_iso15924   (GUnicodeScript script);
633  GLIB_AVAILABLE_IN_ALL
634  GUnicodeScript g_unicode_script_from_iso15924 (guint32        iso15924);
635  
636  /* These are all analogs of the <ctype.h> functions.
637   */
638  GLIB_AVAILABLE_IN_ALL
639  gboolean g_unichar_isalnum   (gunichar c) G_GNUC_CONST;
640  GLIB_AVAILABLE_IN_ALL
641  gboolean g_unichar_isalpha   (gunichar c) G_GNUC_CONST;
642  GLIB_AVAILABLE_IN_ALL
643  gboolean g_unichar_iscntrl   (gunichar c) G_GNUC_CONST;
644  GLIB_AVAILABLE_IN_ALL
645  gboolean g_unichar_isdigit   (gunichar c) G_GNUC_CONST;
646  GLIB_AVAILABLE_IN_ALL
647  gboolean g_unichar_isgraph   (gunichar c) G_GNUC_CONST;
648  GLIB_AVAILABLE_IN_ALL
649  gboolean g_unichar_islower   (gunichar c) G_GNUC_CONST;
650  GLIB_AVAILABLE_IN_ALL
651  gboolean g_unichar_isprint   (gunichar c) G_GNUC_CONST;
652  GLIB_AVAILABLE_IN_ALL
653  gboolean g_unichar_ispunct   (gunichar c) G_GNUC_CONST;
654  GLIB_AVAILABLE_IN_ALL
655  gboolean g_unichar_isspace   (gunichar c) G_GNUC_CONST;
656  GLIB_AVAILABLE_IN_ALL
657  gboolean g_unichar_isupper   (gunichar c) G_GNUC_CONST;
658  GLIB_AVAILABLE_IN_ALL
659  gboolean g_unichar_isxdigit  (gunichar c) G_GNUC_CONST;
660  GLIB_AVAILABLE_IN_ALL
661  gboolean g_unichar_istitle   (gunichar c) G_GNUC_CONST;
662  GLIB_AVAILABLE_IN_ALL
663  gboolean g_unichar_isdefined (gunichar c) G_GNUC_CONST;
664  GLIB_AVAILABLE_IN_ALL
665  gboolean g_unichar_iswide    (gunichar c) G_GNUC_CONST;
666  GLIB_AVAILABLE_IN_ALL
667  gboolean g_unichar_iswide_cjk(gunichar c) G_GNUC_CONST;
668  GLIB_AVAILABLE_IN_ALL
669  gboolean g_unichar_iszerowidth(gunichar c) G_GNUC_CONST;
670  GLIB_AVAILABLE_IN_ALL
671  gboolean g_unichar_ismark    (gunichar c) G_GNUC_CONST;
672  
673  /* More <ctype.h> functions.  These convert between the three cases.
674   * See the Unicode book to understand title case.  */
675  GLIB_AVAILABLE_IN_ALL
676  gunichar g_unichar_toupper (gunichar c) G_GNUC_CONST;
677  GLIB_AVAILABLE_IN_ALL
678  gunichar g_unichar_tolower (gunichar c) G_GNUC_CONST;
679  GLIB_AVAILABLE_IN_ALL
680  gunichar g_unichar_totitle (gunichar c) G_GNUC_CONST;
681  
682  /* If C is a digit (according to 'g_unichar_isdigit'), then return its
683     numeric value.  Otherwise return -1.  */
684  GLIB_AVAILABLE_IN_ALL
685  gint g_unichar_digit_value (gunichar c) G_GNUC_CONST;
686  
687  GLIB_AVAILABLE_IN_ALL
688  gint g_unichar_xdigit_value (gunichar c) G_GNUC_CONST;
689  
690  /* Return the Unicode character type of a given character.  */
691  GLIB_AVAILABLE_IN_ALL
692  GUnicodeType g_unichar_type (gunichar c) G_GNUC_CONST;
693  
694  /* Return the line break property for a given character */
695  GLIB_AVAILABLE_IN_ALL
696  GUnicodeBreakType g_unichar_break_type (gunichar c) G_GNUC_CONST;
697  
698  /* Returns the combining class for a given character */
699  GLIB_AVAILABLE_IN_ALL
700  gint g_unichar_combining_class (gunichar uc) G_GNUC_CONST;
701  
702  GLIB_AVAILABLE_IN_ALL
703  gboolean g_unichar_get_mirror_char (gunichar ch,
704                                      gunichar *mirrored_ch);
705  
706  GLIB_AVAILABLE_IN_ALL
707  GUnicodeScript g_unichar_get_script (gunichar ch) G_GNUC_CONST;
708  
709  /* Validate a Unicode character */
710  GLIB_AVAILABLE_IN_ALL
711  gboolean g_unichar_validate (gunichar ch) G_GNUC_CONST;
712  
713  /* Pairwise canonical compose/decompose */
714  GLIB_AVAILABLE_IN_ALL
715  gboolean g_unichar_compose (gunichar  a,
716                              gunichar  b,
717                              gunichar *ch);
718  GLIB_AVAILABLE_IN_ALL
719  gboolean g_unichar_decompose (gunichar  ch,
720                                gunichar *a,
721                                gunichar *b);
722  
723  GLIB_AVAILABLE_IN_ALL
724  gsize g_unichar_fully_decompose (gunichar  ch,
725                                   gboolean  compat,
726                                   gunichar *result,
727                                   gsize     result_len);
728  
729  /**
730   * G_UNICHAR_MAX_DECOMPOSITION_LENGTH:
731   *
732   * The maximum length (in codepoints) of a compatibility or canonical
733   * decomposition of a single Unicode character.
734   *
735   * This is as defined by Unicode 6.1.
736   *
737   * Since: 2.32
738   */
739  #define G_UNICHAR_MAX_DECOMPOSITION_LENGTH 18 /* codepoints */
740  
741  /* Compute canonical ordering of a string in-place.  This rearranges
742     decomposed characters in the string according to their combining
743     classes.  See the Unicode manual for more information.  */
744  GLIB_AVAILABLE_IN_ALL
745  void g_unicode_canonical_ordering (gunichar *string,
746                                     gsize     len);
747  
748  
749  GLIB_DEPRECATED_IN_2_30
750  gunichar *g_unicode_canonical_decomposition (gunichar  ch,
751                                               gsize    *result_len) G_GNUC_MALLOC;
752  
753  /* Array of skip-bytes-per-initial character.
754   */
755  GLIB_VAR const gchar * const g_utf8_skip;
756  
757  /**
758   * g_utf8_next_char:
759   * @p: Pointer to the start of a valid UTF-8 character
760   *
761   * Skips to the next character in a UTF-8 string. The string must be
762   * valid; this macro is as fast as possible, and has no error-checking.
763   * You would use this macro to iterate over a string character by
764   * character. The macro returns the start of the next UTF-8 character.
765   * Before using this macro, use g_utf8_validate() to validate strings
766   * that may contain invalid UTF-8.
767   */
768  #define g_utf8_next_char(p) (char *)((p) + g_utf8_skip[*(const guchar *)(p)])
769  
770  GLIB_AVAILABLE_IN_ALL
771  gunichar g_utf8_get_char           (const gchar  *p) G_GNUC_PURE;
772  GLIB_AVAILABLE_IN_ALL
773  gunichar g_utf8_get_char_validated (const  gchar *p,
774                                      gssize        max_len) G_GNUC_PURE;
775  
776  GLIB_AVAILABLE_IN_ALL
777  gchar*   g_utf8_offset_to_pointer (const gchar *str,
778                                     glong        offset) G_GNUC_PURE;
779  GLIB_AVAILABLE_IN_ALL
780  glong    g_utf8_pointer_to_offset (const gchar *str,
781                                     const gchar *pos) G_GNUC_PURE;
782  GLIB_AVAILABLE_IN_ALL
783  gchar*   g_utf8_prev_char         (const gchar *p) G_GNUC_PURE;
784  GLIB_AVAILABLE_IN_ALL
785  gchar*   g_utf8_find_next_char    (const gchar *p,
786                                     const gchar *end) G_GNUC_PURE;
787  GLIB_AVAILABLE_IN_ALL
788  gchar*   g_utf8_find_prev_char    (const gchar *str,
789                                     const gchar *p) G_GNUC_PURE;
790  
791  GLIB_AVAILABLE_IN_ALL
792  glong    g_utf8_strlen            (const gchar *p,
793                                     gssize       max) G_GNUC_PURE;
794  
795  GLIB_AVAILABLE_IN_2_30
796  gchar   *g_utf8_substring         (const gchar *str,
797                                     glong        start_pos,
798                                     glong        end_pos) G_GNUC_MALLOC;
799  
800  GLIB_AVAILABLE_IN_ALL
801  gchar   *g_utf8_strncpy           (gchar       *dest,
802                                     const gchar *src,
803                                     gsize        n);
804  
805  /* Find the UTF-8 character corresponding to ch, in string p. These
806     functions are equivalants to strchr and strrchr */
807  GLIB_AVAILABLE_IN_ALL
808  gchar* g_utf8_strchr  (const gchar *p,
809                         gssize       len,
810                         gunichar     c);
811  GLIB_AVAILABLE_IN_ALL
812  gchar* g_utf8_strrchr (const gchar *p,
813                         gssize       len,
814                         gunichar     c);
815  GLIB_AVAILABLE_IN_ALL
816  gchar* g_utf8_strreverse (const gchar *str,
817                            gssize len);
818  
819  GLIB_AVAILABLE_IN_ALL
820  gunichar2 *g_utf8_to_utf16     (const gchar      *str,
821                                  glong             len,
822                                  glong            *items_read,
823                                  glong            *items_written,
824                                  GError          **error) G_GNUC_MALLOC;
825  GLIB_AVAILABLE_IN_ALL
826  gunichar * g_utf8_to_ucs4      (const gchar      *str,
827                                  glong             len,
828                                  glong            *items_read,
829                                  glong            *items_written,
830                                  GError          **error) G_GNUC_MALLOC;
831  GLIB_AVAILABLE_IN_ALL
832  gunichar * g_utf8_to_ucs4_fast (const gchar      *str,
833                                  glong             len,
834                                  glong            *items_written) G_GNUC_MALLOC;
835  GLIB_AVAILABLE_IN_ALL
836  gunichar * g_utf16_to_ucs4     (const gunichar2  *str,
837                                  glong             len,
838                                  glong            *items_read,
839                                  glong            *items_written,
840                                  GError          **error) G_GNUC_MALLOC;
841  GLIB_AVAILABLE_IN_ALL
842  gchar*     g_utf16_to_utf8     (const gunichar2  *str,
843                                  glong             len,
844                                  glong            *items_read,
845                                  glong            *items_written,
846                                  GError          **error) G_GNUC_MALLOC;
847  GLIB_AVAILABLE_IN_ALL
848  gunichar2 *g_ucs4_to_utf16     (const gunichar   *str,
849                                  glong             len,
850                                  glong            *items_read,
851                                  glong            *items_written,
852                                  GError          **error) G_GNUC_MALLOC;
853  GLIB_AVAILABLE_IN_ALL
854  gchar*     g_ucs4_to_utf8      (const gunichar   *str,
855                                  glong             len,
856                                  glong            *items_read,
857                                  glong            *items_written,
858                                  GError          **error) G_GNUC_MALLOC;
859  
860  GLIB_AVAILABLE_IN_ALL
861  gint      g_unichar_to_utf8 (gunichar    c,
862                               gchar      *outbuf);
863  
864  GLIB_AVAILABLE_IN_ALL
865  gboolean g_utf8_validate (const gchar  *str,
866                            gssize        max_len,
867                            const gchar **end);
868  GLIB_AVAILABLE_IN_2_60
869  gboolean g_utf8_validate_len (const gchar  *str,
870                                gsize         max_len,
871                                const gchar **end);
872  
873  GLIB_AVAILABLE_IN_ALL
874  gchar *g_utf8_strup   (const gchar *str,
875                         gssize       len) G_GNUC_MALLOC;
876  GLIB_AVAILABLE_IN_ALL
877  gchar *g_utf8_strdown (const gchar *str,
878                         gssize       len) G_GNUC_MALLOC;
879  GLIB_AVAILABLE_IN_ALL
880  gchar *g_utf8_casefold (const gchar *str,
881                          gssize       len) G_GNUC_MALLOC;
882  
883  /**
884   * GNormalizeMode:
885   * @G_NORMALIZE_DEFAULT: standardize differences that do not affect the
886   *     text content, such as the above-mentioned accent representation
887   * @G_NORMALIZE_NFD: another name for %G_NORMALIZE_DEFAULT
888   * @G_NORMALIZE_DEFAULT_COMPOSE: like %G_NORMALIZE_DEFAULT, but with
889   *     composed forms rather than a maximally decomposed form
890   * @G_NORMALIZE_NFC: another name for %G_NORMALIZE_DEFAULT_COMPOSE
891   * @G_NORMALIZE_ALL: beyond %G_NORMALIZE_DEFAULT also standardize the
892   *     "compatibility" characters in Unicode, such as SUPERSCRIPT THREE
893   *     to the standard forms (in this case DIGIT THREE). Formatting
894   *     information may be lost but for most text operations such
895   *     characters should be considered the same
896   * @G_NORMALIZE_NFKD: another name for %G_NORMALIZE_ALL
897   * @G_NORMALIZE_ALL_COMPOSE: like %G_NORMALIZE_ALL, but with composed
898   *     forms rather than a maximally decomposed form
899   * @G_NORMALIZE_NFKC: another name for %G_NORMALIZE_ALL_COMPOSE
900   *
901   * Defines how a Unicode string is transformed in a canonical
902   * form, standardizing such issues as whether a character with
903   * an accent is represented as a base character and combining
904   * accent or as a single precomposed character. Unicode strings
905   * should generally be normalized before comparing them.
906   */
907  typedef enum {
908    G_NORMALIZE_DEFAULT,
909    G_NORMALIZE_NFD = G_NORMALIZE_DEFAULT,
910    G_NORMALIZE_DEFAULT_COMPOSE,
911    G_NORMALIZE_NFC = G_NORMALIZE_DEFAULT_COMPOSE,
912    G_NORMALIZE_ALL,
913    G_NORMALIZE_NFKD = G_NORMALIZE_ALL,
914    G_NORMALIZE_ALL_COMPOSE,
915    G_NORMALIZE_NFKC = G_NORMALIZE_ALL_COMPOSE
916  } GNormalizeMode;
917  
918  GLIB_AVAILABLE_IN_ALL
919  gchar *g_utf8_normalize (const gchar   *str,
920                           gssize         len,
921                           GNormalizeMode mode) G_GNUC_MALLOC;
922  
923  GLIB_AVAILABLE_IN_ALL
924  gint   g_utf8_collate     (const gchar *str1,
925                             const gchar *str2) G_GNUC_PURE;
926  GLIB_AVAILABLE_IN_ALL
927  gchar *g_utf8_collate_key (const gchar *str,
928                             gssize       len) G_GNUC_MALLOC;
929  GLIB_AVAILABLE_IN_ALL
930  gchar *g_utf8_collate_key_for_filename (const gchar *str,
931                                          gssize       len) G_GNUC_MALLOC;
932  
933  GLIB_AVAILABLE_IN_2_52
934  gchar *g_utf8_make_valid (const gchar *str,
935                            gssize       len) G_GNUC_MALLOC;
936  
937  G_END_DECLS
938  
939  #endif /* __G_UNICODE_H__ */
940