glib/gunicode.h

   1 /* gunicode.h - Unicode manipulation functions
   2  *
   3  *  Copyright (C) 1999, 2000 Tom Tromey
   4  *  Copyright 2000, 2005 Red Hat, Inc.
   5  *
   6  * The Gnome Library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * The Gnome 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
  17  * License along with the Gnome Library; see the file COPYING.LIB.  If not,
  18  * see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #ifndef __G_UNICODE_H__
  22 #define __G_UNICODE_H__
  23
  24 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  25 #error "Only <glib.h> can be included directly."
  26 #endif
  27
  28 #include <glib/gerror.h>
  29 #include <glib/gtypes.h>
  30
  31 G_BEGIN_DECLS
  32
  33 /**
  34  * gunichar:
  35  *
  36  * A type which can hold any UTF-32 or UCS-4 character code,
  37  * also known as a Unicode code point.
  38  *
  39  * If you want to produce the UTF-8 representation of a #gunichar,
  40  * use g_ucs4_to_utf8(). See also g_utf8_to_ucs4() for the reverse
  41  * process.
  42  *
  43  * To print/scan values of this type as integer, use
  44  * %G_GINT32_MODIFIER and/or %G_GUINT32_FORMAT.
  45  *
  46  * The notation to express a Unicode code point in running text is
  47  * as a hexadecimal number with four to six digits and uppercase
  48  * letters, prefixed by the string "U+". Leading zeros are omitted,
  49  * unless the code point would have fewer than four hexadecimal digits.
  50  * For example, "U+0041 LATIN CAPITAL LETTER A". To print a code point
  51  * in the U+-notation, use the format string "U+\%04"G_GINT32_FORMAT"X".
  52  * To scan, use the format string "U+\%06"G_GINT32_FORMAT"X".
  53  *
  54  * |[
  55  * gunichar c;
  56  * sscanf ("U+0041", "U+%06"G_GINT32_FORMAT"X", &amp;c)
  57  * g_print ("Read U+%04"G_GINT32_FORMAT"X", c);
  58  * ]|
  59  */
  60 typedef guint32 gunichar;
  61
  62 /**
  63  * gunichar2:
  64  *
  65  * A type which can hold any UTF-16 code
  66  * point<footnote id="utf16_surrogate_pairs">UTF-16 also has so called
  67  * <firstterm>surrogate pairs</firstterm> to encode characters beyond
  68  * the BMP as pairs of 16bit numbers. Surrogate pairs cannot be stored
  69  * in a single gunichar2 field, but all GLib functions accepting gunichar2
  70  * arrays will correctly interpret surrogate pairs.</footnote>.
  71  *
  72  * To print/scan values of this type to/from text you need to convert
  73  * to/from UTF-8, using g_utf16_to_utf8()/g_utf8_to_utf16().
  74  *
  75  * To print/scan values of this type as integer, use
  76  * %G_GINT16_MODIFIER and/or %G_GUINT16_FORMAT.
  77  */
  78 typedef guint16 gunichar2;
  79
  80 /**
  81  * GUnicodeType:
  82  * @G_UNICODE_CONTROL: General category "Other, Control" (Cc)
  83  * @G_UNICODE_FORMAT: General category "Other, Format" (Cf)
  84  * @G_UNICODE_UNASSIGNED: General category "Other, Not Assigned" (Cn)
  85  * @G_UNICODE_PRIVATE_USE: General category "Other, Private Use" (Co)
  86  * @G_UNICODE_SURROGATE: General category "Other, Surrogate" (Cs)
  87  * @G_UNICODE_LOWERCASE_LETTER: General category "Letter, Lowercase" (Ll)
  88  * @G_UNICODE_MODIFIER_LETTER: General category "Letter, Modifier" (Lm)
  89  * @G_UNICODE_OTHER_LETTER: General category "Letter, Other" (Lo)
  90  * @G_UNICODE_TITLECASE_LETTER: General category "Letter, Titlecase" (Lt)
  91  * @G_UNICODE_UPPERCASE_LETTER: General category "Letter, Uppercase" (Lu)
  92  * @G_UNICODE_SPACING_MARK: General category "Mark, Spacing" (Mc)
  93  * @G_UNICODE_ENCLOSING_MARK: General category "Mark, Enclosing" (Me)
  94  * @G_UNICODE_NON_SPACING_MARK: General category "Mark, Nonspacing" (Mn)
  95  * @G_UNICODE_DECIMAL_NUMBER: General category "Number, Decimal Digit" (Nd)
  96  * @G_UNICODE_LETTER_NUMBER: General category "Number, Letter" (Nl)
  97  * @G_UNICODE_OTHER_NUMBER: General category "Number, Other" (No)
  98  * @G_UNICODE_CONNECT_PUNCTUATION: General category "Punctuation, Connector" (Pc)
  99  * @G_UNICODE_DASH_PUNCTUATION: General category "Punctuation, Dash" (Pd)
 100  * @G_UNICODE_CLOSE_PUNCTUATION: General category "Punctuation, Close" (Pe)
 101  * @G_UNICODE_FINAL_PUNCTUATION: General category "Punctuation, Final quote" (Pf)
 102  * @G_UNICODE_INITIAL_PUNCTUATION: General category "Punctuation, Initial quote" (Pi)
 103  * @G_UNICODE_OTHER_PUNCTUATION: General category "Punctuation, Other" (Po)
 104  * @G_UNICODE_OPEN_PUNCTUATION: General category "Punctuation, Open" (Ps)
 105  * @G_UNICODE_CURRENCY_SYMBOL: General category "Symbol, Currency" (Sc)
 106  * @G_UNICODE_MODIFIER_SYMBOL: General category "Symbol, Modifier" (Sk)
 107  * @G_UNICODE_MATH_SYMBOL: General category "Symbol, Math" (Sm)
 108  * @G_UNICODE_OTHER_SYMBOL: General category "Symbol, Other" (So)
 109  * @G_UNICODE_LINE_SEPARATOR: General category "Separator, Line" (Zl)
 110  * @G_UNICODE_PARAGRAPH_SEPARATOR: General category "Separator, Paragraph" (Zp)
 111  * @G_UNICODE_SPACE_SEPARATOR: General category "Separator, Space" (Zs)
 112  *
 113  * These are the possible character classifications from the
 114  * Unicode specification.
 115  * See <ulink url="http://www.unicode.org/reports/tr44/#General_Category_Values">Unicode Character Database</unlink>.
 116  */
 117 typedef enum
 118 {
 119   G_UNICODE_CONTROL,
 120   G_UNICODE_FORMAT,
 121   G_UNICODE_UNASSIGNED,
 122   G_UNICODE_PRIVATE_USE,
 123   G_UNICODE_SURROGATE,
 124   G_UNICODE_LOWERCASE_LETTER,
 125   G_UNICODE_MODIFIER_LETTER,
 126   G_UNICODE_OTHER_LETTER,
 127   G_UNICODE_TITLECASE_LETTER,
 128   G_UNICODE_UPPERCASE_LETTER,
 129   G_UNICODE_SPACING_MARK,
 130   G_UNICODE_ENCLOSING_MARK,
 131   G_UNICODE_NON_SPACING_MARK,
 132   G_UNICODE_DECIMAL_NUMBER,
 133   G_UNICODE_LETTER_NUMBER,
 134   G_UNICODE_OTHER_NUMBER,
 135   G_UNICODE_CONNECT_PUNCTUATION,
 136   G_UNICODE_DASH_PUNCTUATION,
 137   G_UNICODE_CLOSE_PUNCTUATION,
 138   G_UNICODE_FINAL_PUNCTUATION,
 139   G_UNICODE_INITIAL_PUNCTUATION,
 140   G_UNICODE_OTHER_PUNCTUATION,
 141   G_UNICODE_OPEN_PUNCTUATION,
 142   G_UNICODE_CURRENCY_SYMBOL,
 143   G_UNICODE_MODIFIER_SYMBOL,
 144   G_UNICODE_MATH_SYMBOL,
 145   G_UNICODE_OTHER_SYMBOL,
 146   G_UNICODE_LINE_SEPARATOR,
 147   G_UNICODE_PARAGRAPH_SEPARATOR,
 148   G_UNICODE_SPACE_SEPARATOR
 149 } GUnicodeType;
 150
 151 /**
 152  * G_UNICODE_COMBINING_MARK:
 153  *
 154  * Older name for %G_UNICODE_SPACING_MARK.
 155  *
 156  * Deprecated: 2.30: Use %G_UNICODE_SPACING_MARK.
 157  */
 158 #ifndef G_DISABLE_DEPRECATED
 159 #define G_UNICODE_COMBINING_MARK G_UNICODE_SPACING_MARK
 160 #endif
 161
 162 /**
 163  * GUnicodeBreakType:
 164  * @G_UNICODE_BREAK_MANDATORY: Mandatory Break (BK)
 165  * @G_UNICODE_BREAK_CARRIAGE_RETURN: Carriage Return (CR)
 166  * @G_UNICODE_BREAK_LINE_FEED: Line Feed (LF)
 167  * @G_UNICODE_BREAK_COMBINING_MARK: Attached Characters and Combining Marks (CM)
 168  * @G_UNICODE_BREAK_SURROGATE: Surrogates (SG)
 169  * @G_UNICODE_BREAK_ZERO_WIDTH_SPACE: Zero Width Space (ZW)
 170  * @G_UNICODE_BREAK_INSEPARABLE: Inseparable (IN)
 171  * @G_UNICODE_BREAK_NON_BREAKING_GLUE: Non-breaking ("Glue") (GL)
 172  * @G_UNICODE_BREAK_CONTINGENT: Contingent Break Opportunity (CB)
 173  * @G_UNICODE_BREAK_SPACE: Space (SP)
 174  * @G_UNICODE_BREAK_AFTER: Break Opportunity After (BA)
 175  * @G_UNICODE_BREAK_BEFORE: Break Opportunity Before (BB)
 176  * @G_UNICODE_BREAK_BEFORE_AND_AFTER: Break Opportunity Before and After (B2)
 177  * @G_UNICODE_BREAK_HYPHEN: Hyphen (HY)
 178  * @G_UNICODE_BREAK_NON_STARTER: Nonstarter (NS)
 179  * @G_UNICODE_BREAK_OPEN_PUNCTUATION: Opening Punctuation (OP)
 180  * @G_UNICODE_BREAK_CLOSE_PUNCTUATION: Closing Punctuation (CL)
 181  * @G_UNICODE_BREAK_QUOTATION: Ambiguous Quotation (QU)
 182  * @G_UNICODE_BREAK_EXCLAMATION: Exclamation/Interrogation (EX)
 183  * @G_UNICODE_BREAK_IDEOGRAPHIC: Ideographic (ID)
 184  * @G_UNICODE_BREAK_NUMERIC: Numeric (NU)
 185  * @G_UNICODE_BREAK_INFIX_SEPARATOR: Infix Separator (Numeric) (IS)
 186  * @G_UNICODE_BREAK_SYMBOL: Symbols Allowing Break After (SY)
 187  * @G_UNICODE_BREAK_ALPHABETIC: Ordinary Alphabetic and Symbol Characters (AL)
 188  * @G_UNICODE_BREAK_PREFIX: Prefix (Numeric) (PR)
 189  * @G_UNICODE_BREAK_POSTFIX: Postfix (Numeric) (PO)
 190  * @G_UNICODE_BREAK_COMPLEX_CONTEXT: Complex Content Dependent (South East Asian) (SA)
 191  * @G_UNICODE_BREAK_AMBIGUOUS: Ambiguous (Alphabetic or Ideographic) (AI)
 192  * @G_UNICODE_BREAK_UNKNOWN: Unknown (XX)
 193  * @G_UNICODE_BREAK_NEXT_LINE: Next Line (NL)
 194  * @G_UNICODE_BREAK_WORD_JOINER: Word Joiner (WJ)
 195  * @G_UNICODE_BREAK_HANGUL_L_JAMO: Hangul L Jamo (JL)
 196  * @G_UNICODE_BREAK_HANGUL_V_JAMO: Hangul V Jamo (JV)
 197  * @G_UNICODE_BREAK_HANGUL_T_JAMO: Hangul T Jamo (JT)
 198  * @G_UNICODE_BREAK_HANGUL_LV_SYLLABLE: Hangul LV Syllable (H2)
 199  * @G_UNICODE_BREAK_HANGUL_LVT_SYLLABLE: Hangul LVT Syllable (H3)
 200  * @G_UNICODE_BREAK_CLOSE_PARANTHESIS: Closing Parenthesis (CP). Since 2.28
 201  * @G_UNICODE_BREAK_CONDITIONAL_JAPANESE_STARTER: Conditional Japanese Starter (CJ). Since: 2.32
 202  * @G_UNICODE_BREAK_HEBREW_LETTER: Hebrew Letter (HL). Since: 2.32
 203  * @G_UNICODE_BREAK_REGIONAL_INDICATOR: Regional Indicator (RI). Since: 2.36
 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 <ulink url="http://www.unicode.org/unicode/reports/tr14/">http://www.unicode.org/unicode/reports/tr14/</ulink>.
 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 } GUnicodeBreakType;
 255
 256 /**
 257  * GUnicodeScript:
 258  * @G_UNICODE_SCRIPT_INVALID_CODE:
 259  *                               a value never returned from g_unichar_get_script()
 260  * @G_UNICODE_SCRIPT_COMMON:     a character used by multiple different scripts
 261  * @G_UNICODE_SCRIPT_INHERITED:  a mark glyph that takes its script from the
 262  *                               base glyph to which it is attached
 263  * @G_UNICODE_SCRIPT_ARABIC:     Arabic
 264  * @G_UNICODE_SCRIPT_ARMENIAN:   Armenian
 265  * @G_UNICODE_SCRIPT_BENGALI:    Bengali
 266  * @G_UNICODE_SCRIPT_BOPOMOFO:   Bopomofo
 267  * @G_UNICODE_SCRIPT_CHEROKEE:   Cherokee
 268  * @G_UNICODE_SCRIPT_COPTIC:     Coptic
 269  * @G_UNICODE_SCRIPT_CYRILLIC:   Cyrillic
 270  * @G_UNICODE_SCRIPT_DESERET:    Deseret
 271  * @G_UNICODE_SCRIPT_DEVANAGARI: Devanagari
 272  * @G_UNICODE_SCRIPT_ETHIOPIC:   Ethiopic
 273  * @G_UNICODE_SCRIPT_GEORGIAN:   Georgian
 274  * @G_UNICODE_SCRIPT_GOTHIC:     Gothic
 275  * @G_UNICODE_SCRIPT_GREEK:      Greek
 276  * @G_UNICODE_SCRIPT_GUJARATI:   Gujarati
 277  * @G_UNICODE_SCRIPT_GURMUKHI:   Gurmukhi
 278  * @G_UNICODE_SCRIPT_HAN:        Han
 279  * @G_UNICODE_SCRIPT_HANGUL:     Hangul
 280  * @G_UNICODE_SCRIPT_HEBREW:     Hebrew
 281  * @G_UNICODE_SCRIPT_HIRAGANA:   Hiragana
 282  * @G_UNICODE_SCRIPT_KANNADA:    Kannada
 283  * @G_UNICODE_SCRIPT_KATAKANA:   Katakana
 284  * @G_UNICODE_SCRIPT_KHMER:      Khmer
 285  * @G_UNICODE_SCRIPT_LAO:        Lao
 286  * @G_UNICODE_SCRIPT_LATIN:      Latin
 287  * @G_UNICODE_SCRIPT_MALAYALAM:  Malayalam
 288  * @G_UNICODE_SCRIPT_MONGOLIAN:  Mongolian
 289  * @G_UNICODE_SCRIPT_MYANMAR:    Myanmar
 290  * @G_UNICODE_SCRIPT_OGHAM:      Ogham
 291  * @G_UNICODE_SCRIPT_OLD_ITALIC: Old Italic
 292  * @G_UNICODE_SCRIPT_ORIYA:      Oriya
 293  * @G_UNICODE_SCRIPT_RUNIC:      Runic
 294  * @G_UNICODE_SCRIPT_SINHALA:    Sinhala
 295  * @G_UNICODE_SCRIPT_SYRIAC:     Syriac
 296  * @G_UNICODE_SCRIPT_TAMIL:      Tamil
 297  * @G_UNICODE_SCRIPT_TELUGU:     Telugu
 298  * @G_UNICODE_SCRIPT_THAANA:     Thaana
 299  * @G_UNICODE_SCRIPT_THAI:       Thai
 300  * @G_UNICODE_SCRIPT_TIBETAN:    Tibetan
 301  * @G_UNICODE_SCRIPT_CANADIAN_ABORIGINAL:
 302  *                               Canadian Aboriginal
 303  * @G_UNICODE_SCRIPT_YI:         Yi
 304  * @G_UNICODE_SCRIPT_TAGALOG:    Tagalog
 305  * @G_UNICODE_SCRIPT_HANUNOO:    Hanunoo
 306  * @G_UNICODE_SCRIPT_BUHID:      Buhid
 307  * @G_UNICODE_SCRIPT_TAGBANWA:   Tagbanwa
 308  * @G_UNICODE_SCRIPT_BRAILLE:    Braille
 309  * @G_UNICODE_SCRIPT_CYPRIOT:    Cypriot
 310  * @G_UNICODE_SCRIPT_LIMBU:      Limbu
 311  * @G_UNICODE_SCRIPT_OSMANYA:    Osmanya
 312  * @G_UNICODE_SCRIPT_SHAVIAN:    Shavian
 313  * @G_UNICODE_SCRIPT_LINEAR_B:   Linear B
 314  * @G_UNICODE_SCRIPT_TAI_LE:     Tai Le
 315  * @G_UNICODE_SCRIPT_UGARITIC:   Ugaritic
 316  * @G_UNICODE_SCRIPT_NEW_TAI_LUE:
 317  *                               New Tai Lue
 318  * @G_UNICODE_SCRIPT_BUGINESE:   Buginese
 319  * @G_UNICODE_SCRIPT_GLAGOLITIC: Glagolitic
 320  * @G_UNICODE_SCRIPT_TIFINAGH:   Tifinagh
 321  * @G_UNICODE_SCRIPT_SYLOTI_NAGRI:
 322  *                               Syloti Nagri
 323  * @G_UNICODE_SCRIPT_OLD_PERSIAN:
 324  *                               Old Persian
 325  * @G_UNICODE_SCRIPT_KHAROSHTHI: Kharoshthi
 326  * @G_UNICODE_SCRIPT_UNKNOWN:    an unassigned code point
 327  * @G_UNICODE_SCRIPT_BALINESE:   Balinese
 328  * @G_UNICODE_SCRIPT_CUNEIFORM:  Cuneiform
 329  * @G_UNICODE_SCRIPT_PHOENICIAN: Phoenician
 330  * @G_UNICODE_SCRIPT_PHAGS_PA:   Phags-pa
 331  * @G_UNICODE_SCRIPT_NKO:        N'Ko
 332  * @G_UNICODE_SCRIPT_KAYAH_LI:   Kayah Li. Since 2.16.3
 333  * @G_UNICODE_SCRIPT_LEPCHA:     Lepcha. Since 2.16.3
 334  * @G_UNICODE_SCRIPT_REJANG:     Rejang. Since 2.16.3
 335  * @G_UNICODE_SCRIPT_SUNDANESE:  Sundanese. Since 2.16.3
 336  * @G_UNICODE_SCRIPT_SAURASHTRA: Saurashtra. Since 2.16.3
 337  * @G_UNICODE_SCRIPT_CHAM:       Cham. Since 2.16.3
 338  * @G_UNICODE_SCRIPT_OL_CHIKI:   Ol Chiki. Since 2.16.3
 339  * @G_UNICODE_SCRIPT_VAI:        Vai. Since 2.16.3
 340  * @G_UNICODE_SCRIPT_CARIAN:     Carian. Since 2.16.3
 341  * @G_UNICODE_SCRIPT_LYCIAN:     Lycian. Since 2.16.3
 342  * @G_UNICODE_SCRIPT_LYDIAN:     Lydian. Since 2.16.3
 343  * @G_UNICODE_SCRIPT_AVESTAN:    Avestan. Since 2.26
 344  * @G_UNICODE_SCRIPT_BAMUM:      Bamum. Since 2.26
 345  * @G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS:
 346  *                               Egyptian Hieroglpyhs. Since 2.26
 347  * @G_UNICODE_SCRIPT_IMPERIAL_ARAMAIC:
 348  *                               Imperial Aramaic. Since 2.26
 349  * @G_UNICODE_SCRIPT_INSCRIPTIONAL_PAHLAVI:
 350  *                               Inscriptional Pahlavi. Since 2.26
 351  * @G_UNICODE_SCRIPT_INSCRIPTIONAL_PARTHIAN:
 352  *                               Inscriptional Parthian. Since 2.26
 353  * @G_UNICODE_SCRIPT_JAVANESE:   Javanese. Since 2.26
 354  * @G_UNICODE_SCRIPT_KAITHI:     Kaithi. Since 2.26
 355  * @G_UNICODE_SCRIPT_LISU:       Lisu. Since 2.26
 356  * @G_UNICODE_SCRIPT_MEETEI_MAYEK:
 357  *                               Meetei Mayek. Since 2.26
 358  * @G_UNICODE_SCRIPT_OLD_SOUTH_ARABIAN:
 359  *                               Old South Arabian. Since 2.26
 360  * @G_UNICODE_SCRIPT_OLD_TURKIC: Old Turkic. Since 2.28
 361  * @G_UNICODE_SCRIPT_SAMARITAN:  Samaritan. Since 2.26
 362  * @G_UNICODE_SCRIPT_TAI_THAM:   Tai Tham. Since 2.26
 363  * @G_UNICODE_SCRIPT_TAI_VIET:   Tai Viet. Since 2.26
 364  * @G_UNICODE_SCRIPT_BATAK:      Batak. Since 2.28
 365  * @G_UNICODE_SCRIPT_BRAHMI:     Brahmi. Since 2.28
 366  * @G_UNICODE_SCRIPT_MANDAIC:    Mandaic. Since 2.28
 367  * @G_UNICODE_SCRIPT_CHAKMA:               Chakma. Since: 2.32
 368  * @G_UNICODE_SCRIPT_MEROITIC_CURSIVE:     Meroitic Cursive. Since: 2.32
 369  * @G_UNICODE_SCRIPT_MEROITIC_HIEROGLYPHS: Meroitic Hieroglyphs. Since: 2.32
 370  * @G_UNICODE_SCRIPT_MIAO:                 Miao. Since: 2.32
 371  * @G_UNICODE_SCRIPT_SHARADA:              Sharada. Since: 2.32
 372  * @G_UNICODE_SCRIPT_SORA_SOMPENG:         Sora Sompeng. Since: 2.32
 373  * @G_UNICODE_SCRIPT_TAKRI:                Takri. Since: 2.32
 374  * @G_UNICODE_SCRIPT_BASSA_VAH:            Bassa. Since: 2.42
 375  * @G_UNICODE_SCRIPT_CAUCASIAN_ALBANIAN:   Caucasian Albanian. Since: 2.42
 376  * @G_UNICODE_SCRIPT_DUPLOYAN:             Duployan. Since: 2.42
 377  * @G_UNICODE_SCRIPT_ELBASAN:              Elbasan. Since: 2.42
 378  * @G_UNICODE_SCRIPT_GRANTHA:              Grantha. Since: 2.42
 379  * @G_UNICODE_SCRIPT_KHOJKI:               Kjohki. Since: 2.42
 380  * @G_UNICODE_SCRIPT_KHUDAWADI:            Khudawadi, Sindhi. Since: 2.42
 381  * @G_UNICODE_SCRIPT_LINEAR_A:             Linear A. Since: 2.42
 382  * @G_UNICODE_SCRIPT_MAHAJANI:             Mahajani. Since: 2.42
 383  * @G_UNICODE_SCRIPT_MANICHAEAN:           Manichaean. Since: 2.42
 384  * @G_UNICODE_SCRIPT_MENDE_KIKAKUI:        Mende Kikakui. Since: 2.42
 385  * @G_UNICODE_SCRIPT_MODI:                 Modi. Since: 2.42
 386  * @G_UNICODE_SCRIPT_MRO:                  Mro. Since: 2.42
 387  * @G_UNICODE_SCRIPT_NABATAEAN:            Nabataean. Since: 2.42
 388  * @G_UNICODE_SCRIPT_OLD_NORTH_ARABIAN:    Old North Arabian. Since: 2.42
 389  * @G_UNICODE_SCRIPT_OLD_PERMIC:           Old Permic. Since: 2.42
 390  * @G_UNICODE_SCRIPT_PAHAWH_HMONG:         Pahawh Hmong. Since: 2.42
 391  * @G_UNICODE_SCRIPT_PALMYRENE:            Palmyrene. Since: 2.42
 392  * @G_UNICODE_SCRIPT_PAU_CIN_HAU:          Pau Cin Hau. Since: 2.42
 393  * @G_UNICODE_SCRIPT_PSALTER_PAHLAVI:      Psalter Pahlavi. Since: 2.42
 394  * @G_UNICODE_SCRIPT_SIDDHAM:              Siddham. Since: 2.42
 395  * @G_UNICODE_SCRIPT_TIRHUTA:              Tirhuta. Since: 2.42
 396  * @G_UNICODE_SCRIPT_WARANG_CITI:          Warang Citi. Since: 2.42
 397  * @G_UNICODE_SCRIPT_AHOM:                 Ahom. Since: 2.48
 398  * @G_UNICODE_SCRIPT_ANATOLIAN_HIEROGLYPHS: Anatolian Hieroglyphs. Since: 2.48
 399  * @G_UNICODE_SCRIPT_HATRAN:               Hatran. Since: 2.48
 400  * @G_UNICODE_SCRIPT_MULTANI:              Multani. Since: 2.48
 401  * @G_UNICODE_SCRIPT_OLD_HUNGARIAN:        Old Hungarian. Since: 2.48
 402  * @G_UNICODE_SCRIPT_SIGNWRITING:          Signwriting. Since: 2.48
 403  *
 404  * The #GUnicodeScript enumeration identifies different writing
 405  * systems. The values correspond to the names as defined in the
 406  * Unicode standard. The enumeration has been added in GLib 2.14,
 407  * and is interchangeable with #PangoScript.
 408  *
 409  * Note that new types may be added in the future. Applications
 410  * should be ready to handle unknown values.
 411  * See <ulink
 412  * url="http://www.unicode.org/reports/tr24/">Unicode Standard Annex
 413  * #24: Script names</ulink>.
 414  */
 415 typedef enum
 416 {                         /* ISO 15924 code */
 417   G_UNICODE_SCRIPT_INVALID_CODE = -1,
 418   G_UNICODE_SCRIPT_COMMON       = 0,   /* Zyyy */
 419   G_UNICODE_SCRIPT_INHERITED,          /* Zinh (Qaai) */
 420   G_UNICODE_SCRIPT_ARABIC,             /* Arab */
 421   G_UNICODE_SCRIPT_ARMENIAN,           /* Armn */
 422   G_UNICODE_SCRIPT_BENGALI,            /* Beng */
 423   G_UNICODE_SCRIPT_BOPOMOFO,           /* Bopo */
 424   G_UNICODE_SCRIPT_CHEROKEE,           /* Cher */
 425   G_UNICODE_SCRIPT_COPTIC,             /* Copt (Qaac) */
 426   G_UNICODE_SCRIPT_CYRILLIC,           /* Cyrl (Cyrs) */
 427   G_UNICODE_SCRIPT_DESERET,            /* Dsrt */
 428   G_UNICODE_SCRIPT_DEVANAGARI,         /* Deva */
 429   G_UNICODE_SCRIPT_ETHIOPIC,           /* Ethi */
 430   G_UNICODE_SCRIPT_GEORGIAN,           /* Geor (Geon, Geoa) */
 431   G_UNICODE_SCRIPT_GOTHIC,             /* Goth */
 432   G_UNICODE_SCRIPT_GREEK,              /* Grek */
 433   G_UNICODE_SCRIPT_GUJARATI,           /* Gujr */
 434   G_UNICODE_SCRIPT_GURMUKHI,           /* Guru */
 435   G_UNICODE_SCRIPT_HAN,                /* Hani */
 436   G_UNICODE_SCRIPT_HANGUL,             /* Hang */
 437   G_UNICODE_SCRIPT_HEBREW,             /* Hebr */
 438   G_UNICODE_SCRIPT_HIRAGANA,           /* Hira */
 439   G_UNICODE_SCRIPT_KANNADA,            /* Knda */
 440   G_UNICODE_SCRIPT_KATAKANA,           /* Kana */
 441   G_UNICODE_SCRIPT_KHMER,              /* Khmr */
 442   G_UNICODE_SCRIPT_LAO,                /* Laoo */
 443   G_UNICODE_SCRIPT_LATIN,              /* Latn (Latf, Latg) */
 444   G_UNICODE_SCRIPT_MALAYALAM,          /* Mlym */
 445   G_UNICODE_SCRIPT_MONGOLIAN,          /* Mong */
 446   G_UNICODE_SCRIPT_MYANMAR,            /* Mymr */
 447   G_UNICODE_SCRIPT_OGHAM,              /* Ogam */
 448   G_UNICODE_SCRIPT_OLD_ITALIC,         /* Ital */
 449   G_UNICODE_SCRIPT_ORIYA,              /* Orya */
 450   G_UNICODE_SCRIPT_RUNIC,              /* Runr */
 451   G_UNICODE_SCRIPT_SINHALA,            /* Sinh */
 452   G_UNICODE_SCRIPT_SYRIAC,             /* Syrc (Syrj, Syrn, Syre) */
 453   G_UNICODE_SCRIPT_TAMIL,              /* Taml */
 454   G_UNICODE_SCRIPT_TELUGU,             /* Telu */
 455   G_UNICODE_SCRIPT_THAANA,             /* Thaa */
 456   G_UNICODE_SCRIPT_THAI,               /* Thai */
 457   G_UNICODE_SCRIPT_TIBETAN,            /* Tibt */
 458   G_UNICODE_SCRIPT_CANADIAN_ABORIGINAL, /* Cans */
 459   G_UNICODE_SCRIPT_YI,                 /* Yiii */
 460   G_UNICODE_SCRIPT_TAGALOG,            /* Tglg */
 461   G_UNICODE_SCRIPT_HANUNOO,            /* Hano */
 462   G_UNICODE_SCRIPT_BUHID,              /* Buhd */
 463   G_UNICODE_SCRIPT_TAGBANWA,           /* Tagb */
 464
 465   /* Unicode-4.0 additions */
 466   G_UNICODE_SCRIPT_BRAILLE,            /* Brai */
 467   G_UNICODE_SCRIPT_CYPRIOT,            /* Cprt */
 468   G_UNICODE_SCRIPT_LIMBU,              /* Limb */
 469   G_UNICODE_SCRIPT_OSMANYA,            /* Osma */
 470   G_UNICODE_SCRIPT_SHAVIAN,            /* Shaw */
 471   G_UNICODE_SCRIPT_LINEAR_B,           /* Linb */
 472   G_UNICODE_SCRIPT_TAI_LE,             /* Tale */
 473   G_UNICODE_SCRIPT_UGARITIC,           /* Ugar */
 474
 475   /* Unicode-4.1 additions */
 476   G_UNICODE_SCRIPT_NEW_TAI_LUE,        /* Talu */
 477   G_UNICODE_SCRIPT_BUGINESE,           /* Bugi */
 478   G_UNICODE_SCRIPT_GLAGOLITIC,         /* Glag */
 479   G_UNICODE_SCRIPT_TIFINAGH,           /* Tfng */
 480   G_UNICODE_SCRIPT_SYLOTI_NAGRI,       /* Sylo */
 481   G_UNICODE_SCRIPT_OLD_PERSIAN,        /* Xpeo */
 482   G_UNICODE_SCRIPT_KHAROSHTHI,         /* Khar */
 483
 484   /* Unicode-5.0 additions */
 485   G_UNICODE_SCRIPT_UNKNOWN,            /* Zzzz */
 486   G_UNICODE_SCRIPT_BALINESE,           /* Bali */
 487   G_UNICODE_SCRIPT_CUNEIFORM,          /* Xsux */
 488   G_UNICODE_SCRIPT_PHOENICIAN,         /* Phnx */
 489   G_UNICODE_SCRIPT_PHAGS_PA,           /* Phag */
 490   G_UNICODE_SCRIPT_NKO,                /* Nkoo */
 491
 492   /* Unicode-5.1 additions */
 493   G_UNICODE_SCRIPT_KAYAH_LI,           /* Kali */
 494   G_UNICODE_SCRIPT_LEPCHA,             /* Lepc */
 495   G_UNICODE_SCRIPT_REJANG,             /* Rjng */
 496   G_UNICODE_SCRIPT_SUNDANESE,          /* Sund */
 497   G_UNICODE_SCRIPT_SAURASHTRA,         /* Saur */
 498   G_UNICODE_SCRIPT_CHAM,               /* Cham */
 499   G_UNICODE_SCRIPT_OL_CHIKI,           /* Olck */
 500   G_UNICODE_SCRIPT_VAI,                /* Vaii */
 501   G_UNICODE_SCRIPT_CARIAN,             /* Cari */
 502   G_UNICODE_SCRIPT_LYCIAN,             /* Lyci */
 503   G_UNICODE_SCRIPT_LYDIAN,             /* Lydi */
 504
 505   /* Unicode-5.2 additions */
 506   G_UNICODE_SCRIPT_AVESTAN,                /* Avst */
 507   G_UNICODE_SCRIPT_BAMUM,                  /* Bamu */
 508   G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS,   /* Egyp */
 509   G_UNICODE_SCRIPT_IMPERIAL_ARAMAIC,       /* Armi */
 510   G_UNICODE_SCRIPT_INSCRIPTIONAL_PAHLAVI,  /* Phli */
 511   G_UNICODE_SCRIPT_INSCRIPTIONAL_PARTHIAN, /* Prti */
 512   G_UNICODE_SCRIPT_JAVANESE,               /* Java */
 513   G_UNICODE_SCRIPT_KAITHI,                 /* Kthi */
 514   G_UNICODE_SCRIPT_LISU,                   /* Lisu */
 515   G_UNICODE_SCRIPT_MEETEI_MAYEK,           /* Mtei */
 516   G_UNICODE_SCRIPT_OLD_SOUTH_ARABIAN,      /* Sarb */
 517   G_UNICODE_SCRIPT_OLD_TURKIC,             /* Orkh */
 518   G_UNICODE_SCRIPT_SAMARITAN,              /* Samr */
 519   G_UNICODE_SCRIPT_TAI_THAM,               /* Lana */
 520   G_UNICODE_SCRIPT_TAI_VIET,               /* Tavt */
 521
 522   /* Unicode-6.0 additions */
 523   G_UNICODE_SCRIPT_BATAK,                  /* Batk */
 524   G_UNICODE_SCRIPT_BRAHMI,                 /* Brah */
 525   G_UNICODE_SCRIPT_MANDAIC,                /* Mand */
 526
 527   /* Unicode-6.1 additions */
 528   G_UNICODE_SCRIPT_CHAKMA,                 /* Cakm */
 529   G_UNICODE_SCRIPT_MEROITIC_CURSIVE,       /* Merc */
 530   G_UNICODE_SCRIPT_MEROITIC_HIEROGLYPHS,   /* Mero */
 531   G_UNICODE_SCRIPT_MIAO,                   /* Plrd */
 532   G_UNICODE_SCRIPT_SHARADA,                /* Shrd */
 533   G_UNICODE_SCRIPT_SORA_SOMPENG,           /* Sora */
 534   G_UNICODE_SCRIPT_TAKRI,                  /* Takr */
 535
 536   /* Unicode 7.0 additions */
 537   G_UNICODE_SCRIPT_BASSA_VAH,              /* Bass */
 538   G_UNICODE_SCRIPT_CAUCASIAN_ALBANIAN,     /* Aghb */
 539   G_UNICODE_SCRIPT_DUPLOYAN,               /* Dupl */
 540   G_UNICODE_SCRIPT_ELBASAN,                /* Elba */
 541   G_UNICODE_SCRIPT_GRANTHA,                /* Gran */
 542   G_UNICODE_SCRIPT_KHOJKI,                 /* Khoj */
 543   G_UNICODE_SCRIPT_KHUDAWADI,              /* Sind */
 544   G_UNICODE_SCRIPT_LINEAR_A,               /* Lina */
 545   G_UNICODE_SCRIPT_MAHAJANI,               /* Mahj */
 546   G_UNICODE_SCRIPT_MANICHAEAN,             /* Manu */
 547   G_UNICODE_SCRIPT_MENDE_KIKAKUI,          /* Mend */
 548   G_UNICODE_SCRIPT_MODI,                   /* Modi */
 549   G_UNICODE_SCRIPT_MRO,                    /* Mroo */
 550   G_UNICODE_SCRIPT_NABATAEAN,              /* Nbat */
 551   G_UNICODE_SCRIPT_OLD_NORTH_ARABIAN,      /* Narb */
 552   G_UNICODE_SCRIPT_OLD_PERMIC,             /* Perm */
 553   G_UNICODE_SCRIPT_PAHAWH_HMONG,           /* Hmng */
 554   G_UNICODE_SCRIPT_PALMYRENE,              /* Palm */
 555   G_UNICODE_SCRIPT_PAU_CIN_HAU,            /* Pauc */
 556   G_UNICODE_SCRIPT_PSALTER_PAHLAVI,        /* Phlp */
 557   G_UNICODE_SCRIPT_SIDDHAM,                /* Sidd */
 558   G_UNICODE_SCRIPT_TIRHUTA,                /* Tirh */
 559   G_UNICODE_SCRIPT_WARANG_CITI,            /* Wara */
 560
 561   /* Unicode 8.0 additions */
 562   G_UNICODE_SCRIPT_AHOM,                   /* Ahom */
 563   G_UNICODE_SCRIPT_ANATOLIAN_HIEROGLYPHS,  /* Hluw */
 564   G_UNICODE_SCRIPT_HATRAN,                 /* Hatr */
 565   G_UNICODE_SCRIPT_MULTANI,                /* Mult */
 566   G_UNICODE_SCRIPT_OLD_HUNGARIAN,          /* Hung */
 567   G_UNICODE_SCRIPT_SIGNWRITING             /* Sgnw */
 568 } GUnicodeScript;
 569
 570 GLIB_AVAILABLE_IN_ALL
 571 guint32        g_unicode_script_to_iso15924   (GUnicodeScript script);
 572 GLIB_AVAILABLE_IN_ALL
 573 GUnicodeScript g_unicode_script_from_iso15924 (guint32        iso15924);
 574
 575 /* These are all analogs of the <ctype.h> functions.
 576  */
 577 GLIB_AVAILABLE_IN_ALL
 578 gboolean g_unichar_isalnum   (gunichar c) G_GNUC_CONST;
 579 GLIB_AVAILABLE_IN_ALL
 580 gboolean g_unichar_isalpha   (gunichar c) G_GNUC_CONST;
 581 GLIB_AVAILABLE_IN_ALL
 582 gboolean g_unichar_iscntrl   (gunichar c) G_GNUC_CONST;
 583 GLIB_AVAILABLE_IN_ALL
 584 gboolean g_unichar_isdigit   (gunichar c) G_GNUC_CONST;
 585 GLIB_AVAILABLE_IN_ALL
 586 gboolean g_unichar_isgraph   (gunichar c) G_GNUC_CONST;
 587 GLIB_AVAILABLE_IN_ALL
 588 gboolean g_unichar_islower   (gunichar c) G_GNUC_CONST;
 589 GLIB_AVAILABLE_IN_ALL
 590 gboolean g_unichar_isprint   (gunichar c) G_GNUC_CONST;
 591 GLIB_AVAILABLE_IN_ALL
 592 gboolean g_unichar_ispunct   (gunichar c) G_GNUC_CONST;
 593 GLIB_AVAILABLE_IN_ALL
 594 gboolean g_unichar_isspace   (gunichar c) G_GNUC_CONST;
 595 GLIB_AVAILABLE_IN_ALL
 596 gboolean g_unichar_isupper   (gunichar c) G_GNUC_CONST;
 597 GLIB_AVAILABLE_IN_ALL
 598 gboolean g_unichar_isxdigit  (gunichar c) G_GNUC_CONST;
 599 GLIB_AVAILABLE_IN_ALL
 600 gboolean g_unichar_istitle   (gunichar c) G_GNUC_CONST;
 601 GLIB_AVAILABLE_IN_ALL
 602 gboolean g_unichar_isdefined (gunichar c) G_GNUC_CONST;
 603 GLIB_AVAILABLE_IN_ALL
 604 gboolean g_unichar_iswide    (gunichar c) G_GNUC_CONST;
 605 GLIB_AVAILABLE_IN_ALL
 606 gboolean g_unichar_iswide_cjk(gunichar c) G_GNUC_CONST;
 607 GLIB_AVAILABLE_IN_ALL
 608 gboolean g_unichar_iszerowidth(gunichar c) G_GNUC_CONST;
 609 GLIB_AVAILABLE_IN_ALL
 610 gboolean g_unichar_ismark    (gunichar c) G_GNUC_CONST;
 611
 612 /* More <ctype.h> functions.  These convert between the three cases.
 613  * See the Unicode book to understand title case.  */
 614 GLIB_AVAILABLE_IN_ALL
 615 gunichar g_unichar_toupper (gunichar c) G_GNUC_CONST;
 616 GLIB_AVAILABLE_IN_ALL
 617 gunichar g_unichar_tolower (gunichar c) G_GNUC_CONST;
 618 GLIB_AVAILABLE_IN_ALL
 619 gunichar g_unichar_totitle (gunichar c) G_GNUC_CONST;
 620
 621 /* If C is a digit (according to 'g_unichar_isdigit'), then return its
 622    numeric value.  Otherwise return -1.  */
 623 GLIB_AVAILABLE_IN_ALL
 624 gint g_unichar_digit_value (gunichar c) G_GNUC_CONST;
 625
 626 GLIB_AVAILABLE_IN_ALL
 627 gint g_unichar_xdigit_value (gunichar c) G_GNUC_CONST;
 628
 629 /* Return the Unicode character type of a given character.  */
 630 GLIB_AVAILABLE_IN_ALL
 631 GUnicodeType g_unichar_type (gunichar c) G_GNUC_CONST;
 632
 633 /* Return the line break property for a given character */
 634 GLIB_AVAILABLE_IN_ALL
 635 GUnicodeBreakType g_unichar_break_type (gunichar c) G_GNUC_CONST;
 636
 637 /* Returns the combining class for a given character */
 638 GLIB_AVAILABLE_IN_ALL
 639 gint g_unichar_combining_class (gunichar uc) G_GNUC_CONST;
 640
 641 GLIB_AVAILABLE_IN_ALL
 642 gboolean g_unichar_get_mirror_char (gunichar ch,
 643                                     gunichar *mirrored_ch);
 644
 645 GLIB_AVAILABLE_IN_ALL
 646 GUnicodeScript g_unichar_get_script (gunichar ch) G_GNUC_CONST;
 647
 648 /* Validate a Unicode character */
 649 GLIB_AVAILABLE_IN_ALL
 650 gboolean g_unichar_validate (gunichar ch) G_GNUC_CONST;
 651
 652 /* Pairwise canonical compose/decompose */
 653 GLIB_AVAILABLE_IN_ALL
 654 gboolean g_unichar_compose (gunichar  a,
 655                             gunichar  b,
 656                             gunichar *ch);
 657 GLIB_AVAILABLE_IN_ALL
 658 gboolean g_unichar_decompose (gunichar  ch,
 659                               gunichar *a,
 660                               gunichar *b);
 661
 662 GLIB_AVAILABLE_IN_ALL
 663 gsize g_unichar_fully_decompose (gunichar  ch,
 664                                  gboolean  compat,
 665                                  gunichar *result,
 666                                  gsize     result_len);
 667
 668 /**
 669  * G_UNICHAR_MAX_DECOMPOSITION_LENGTH:
 670  *
 671  * The maximum length (in codepoints) of a compatibility or canonical
 672  * decomposition of a single Unicode character.
 673  *
 674  * This is as defined by Unicode 6.1.
 675  *
 676  * Since: 2.32
 677  */
 678 #define G_UNICHAR_MAX_DECOMPOSITION_LENGTH 18 /* codepoints */
 679
 680 /* Compute canonical ordering of a string in-place.  This rearranges
 681    decomposed characters in the string according to their combining
 682    classes.  See the Unicode manual for more information.  */
 683 GLIB_AVAILABLE_IN_ALL
 684 void g_unicode_canonical_ordering (gunichar *string,
 685                                    gsize     len);
 686
 687
 688 GLIB_DEPRECATED_IN_2_30
 689 gunichar *g_unicode_canonical_decomposition (gunichar  ch,
 690                                              gsize    *result_len) G_GNUC_MALLOC;
 691
 692 /* Array of skip-bytes-per-initial character.
 693  */
 694 GLIB_VAR const gchar * const g_utf8_skip;
 695
 696 /**
 697  * g_utf8_next_char:
 698  * @p: Pointer to the start of a valid UTF-8 character
 699  *
 700  * Skips to the next character in a UTF-8 string. The string must be
 701  * valid; this macro is as fast as possible, and has no error-checking.
 702  * You would use this macro to iterate over a string character by
 703  * character. The macro returns the start of the next UTF-8 character.
 704  * Before using this macro, use g_utf8_validate() to validate strings
 705  * that may contain invalid UTF-8.
 706  */
 707 #define g_utf8_next_char(p) (char *)((p) + g_utf8_skip[*(const guchar *)(p)])
 708
 709 GLIB_AVAILABLE_IN_ALL
 710 gunichar g_utf8_get_char           (const gchar  *p) G_GNUC_PURE;
 711 GLIB_AVAILABLE_IN_ALL
 712 gunichar g_utf8_get_char_validated (const  gchar *p,
 713                                     gssize        max_len) G_GNUC_PURE;
 714
 715 GLIB_AVAILABLE_IN_ALL
 716 gchar*   g_utf8_offset_to_pointer (const gchar *str,
 717                                    glong        offset) G_GNUC_PURE;
 718 GLIB_AVAILABLE_IN_ALL
 719 glong    g_utf8_pointer_to_offset (const gchar *str,
 720                                    const gchar *pos) G_GNUC_PURE;
 721 GLIB_AVAILABLE_IN_ALL
 722 gchar*   g_utf8_prev_char         (const gchar *p) G_GNUC_PURE;
 723 GLIB_AVAILABLE_IN_ALL
 724 gchar*   g_utf8_find_next_char    (const gchar *p,
 725                                    const gchar *end) G_GNUC_PURE;
 726 GLIB_AVAILABLE_IN_ALL
 727 gchar*   g_utf8_find_prev_char    (const gchar *str,
 728                                    const gchar *p) G_GNUC_PURE;
 729
 730 GLIB_AVAILABLE_IN_ALL
 731 glong    g_utf8_strlen            (const gchar *p,
 732                                    gssize       max) G_GNUC_PURE;
 733
 734 GLIB_AVAILABLE_IN_2_30
 735 gchar   *g_utf8_substring         (const gchar *str,
 736                                    glong        start_pos,
 737                                    glong        end_pos) G_GNUC_MALLOC;
 738
 739 GLIB_AVAILABLE_IN_ALL
 740 gchar   *g_utf8_strncpy           (gchar       *dest,
 741                                    const gchar *src,
 742                                    gsize        n);
 743
 744 /* Find the UTF-8 character corresponding to ch, in string p. These
 745    functions are equivalants to strchr and strrchr */
 746 GLIB_AVAILABLE_IN_ALL
 747 gchar* g_utf8_strchr  (const gchar *p,
 748                        gssize       len,
 749                        gunichar     c);
 750 GLIB_AVAILABLE_IN_ALL
 751 gchar* g_utf8_strrchr (const gchar *p,
 752                        gssize       len,
 753                        gunichar     c);
 754 GLIB_AVAILABLE_IN_ALL
 755 gchar* g_utf8_strreverse (const gchar *str,
 756                           gssize len);
 757
 758 GLIB_AVAILABLE_IN_ALL
 759 gunichar2 *g_utf8_to_utf16     (const gchar      *str,
 760                                 glong             len,
 761                                 glong            *items_read,
 762                                 glong            *items_written,
 763                                 GError          **error) G_GNUC_MALLOC;
 764 GLIB_AVAILABLE_IN_ALL
 765 gunichar * g_utf8_to_ucs4      (const gchar      *str,
 766                                 glong             len,
 767                                 glong            *items_read,
 768                                 glong            *items_written,
 769                                 GError          **error) G_GNUC_MALLOC;
 770 GLIB_AVAILABLE_IN_ALL
 771 gunichar * g_utf8_to_ucs4_fast (const gchar      *str,
 772                                 glong             len,
 773                                 glong            *items_written) G_GNUC_MALLOC;
 774 GLIB_AVAILABLE_IN_ALL
 775 gunichar * g_utf16_to_ucs4     (const gunichar2  *str,
 776                                 glong             len,
 777                                 glong            *items_read,
 778                                 glong            *items_written,
 779                                 GError          **error) G_GNUC_MALLOC;
 780 GLIB_AVAILABLE_IN_ALL
 781 gchar*     g_utf16_to_utf8     (const gunichar2  *str,
 782                                 glong             len,
 783                                 glong            *items_read,
 784                                 glong            *items_written,
 785                                 GError          **error) G_GNUC_MALLOC;
 786 GLIB_AVAILABLE_IN_ALL
 787 gunichar2 *g_ucs4_to_utf16     (const gunichar   *str,
 788                                 glong             len,
 789                                 glong            *items_read,
 790                                 glong            *items_written,
 791                                 GError          **error) G_GNUC_MALLOC;
 792 GLIB_AVAILABLE_IN_ALL
 793 gchar*     g_ucs4_to_utf8      (const gunichar   *str,
 794                                 glong             len,
 795                                 glong            *items_read,
 796                                 glong            *items_written,
 797                                 GError          **error) G_GNUC_MALLOC;
 798
 799 GLIB_AVAILABLE_IN_ALL
 800 gint      g_unichar_to_utf8 (gunichar    c,
 801                              gchar      *outbuf);
 802
 803 GLIB_AVAILABLE_IN_ALL
 804 gboolean g_utf8_validate (const gchar  *str,
 805                           gssize        max_len,
 806                           const gchar **end);
 807
 808 GLIB_AVAILABLE_IN_ALL
 809 gchar *g_utf8_strup   (const gchar *str,
 810                        gssize       len) G_GNUC_MALLOC;
 811 GLIB_AVAILABLE_IN_ALL
 812 gchar *g_utf8_strdown (const gchar *str,
 813                        gssize       len) G_GNUC_MALLOC;
 814 GLIB_AVAILABLE_IN_ALL
 815 gchar *g_utf8_casefold (const gchar *str,
 816                         gssize       len) G_GNUC_MALLOC;
 817
 818 /**
 819  * GNormalizeMode:
 820  * @G_NORMALIZE_DEFAULT: standardize differences that do not affect the
 821  *     text content, such as the above-mentioned accent representation
 822  * @G_NORMALIZE_NFD: another name for %G_NORMALIZE_DEFAULT
 823  * @G_NORMALIZE_DEFAULT_COMPOSE: like %G_NORMALIZE_DEFAULT, but with
 824  *     composed forms rather than a maximally decomposed form
 825  * @G_NORMALIZE_NFC: another name for %G_NORMALIZE_DEFAULT_COMPOSE
 826  * @G_NORMALIZE_ALL: beyond %G_NORMALIZE_DEFAULT also standardize the
 827  *     "compatibility" characters in Unicode, such as SUPERSCRIPT THREE
 828  *     to the standard forms (in this case DIGIT THREE). Formatting
 829  *     information may be lost but for most text operations such
 830  *     characters should be considered the same
 831  * @G_NORMALIZE_NFKD: another name for %G_NORMALIZE_ALL
 832  * @G_NORMALIZE_ALL_COMPOSE: like %G_NORMALIZE_ALL, but with composed
 833  *     forms rather than a maximally decomposed form
 834  * @G_NORMALIZE_NFKC: another name for %G_NORMALIZE_ALL_COMPOSE
 835  *
 836  * Defines how a Unicode string is transformed in a canonical
 837  * form, standardizing such issues as whether a character with
 838  * an accent is represented as a base character and combining
 839  * accent or as a single precomposed character. Unicode strings
 840  * should generally be normalized before comparing them.
 841  */
 842 typedef enum {
 843   G_NORMALIZE_DEFAULT,
 844   G_NORMALIZE_NFD = G_NORMALIZE_DEFAULT,
 845   G_NORMALIZE_DEFAULT_COMPOSE,
 846   G_NORMALIZE_NFC = G_NORMALIZE_DEFAULT_COMPOSE,
 847   G_NORMALIZE_ALL,
 848   G_NORMALIZE_NFKD = G_NORMALIZE_ALL,
 849   G_NORMALIZE_ALL_COMPOSE,
 850   G_NORMALIZE_NFKC = G_NORMALIZE_ALL_COMPOSE
 851 } GNormalizeMode;
 852
 853 GLIB_AVAILABLE_IN_ALL
 854 gchar *g_utf8_normalize (const gchar   *str,
 855                          gssize         len,
 856                          GNormalizeMode mode) G_GNUC_MALLOC;
 857
 858 GLIB_AVAILABLE_IN_ALL
 859 gint   g_utf8_collate     (const gchar *str1,
 860                            const gchar *str2) G_GNUC_PURE;
 861 GLIB_AVAILABLE_IN_ALL
 862 gchar *g_utf8_collate_key (const gchar *str,
 863                            gssize       len) G_GNUC_MALLOC;
 864 GLIB_AVAILABLE_IN_ALL
 865 gchar *g_utf8_collate_key_for_filename (const gchar *str,
 866                                         gssize       len) G_GNUC_MALLOC;
 867
 868
 869 /* private */
 870 gchar *_g_utf8_make_valid (const gchar *name);
 871
 872 G_END_DECLS
 873
 874 #endif /* __G_UNICODE_H__ */