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/* gunicode.h - Unicode manipulation functions
*
* Copyright (C) 1999, 2000 Tom Tromey
* Copyright 2000, 2005 Red Hat, Inc.
*
* The Gnome Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* The Gnome Library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the Gnome Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__G_LIB_H__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#ifndef __G_UNICODE_H__
#define __G_UNICODE_H__
#include <glib/gerror.h>
#include <glib/gtypes.h>
G_BEGIN_DECLS
typedef guint32 gunichar;
typedef guint16 gunichar2;
/* These are the possible character classifications.
* See http://www.unicode.org/Public/UNIDATA/UCD.html#General_Category_Values
*/
typedef enum
{
G_UNICODE_CONTROL,
G_UNICODE_FORMAT,
G_UNICODE_UNASSIGNED,
G_UNICODE_PRIVATE_USE,
G_UNICODE_SURROGATE,
G_UNICODE_LOWERCASE_LETTER,
G_UNICODE_MODIFIER_LETTER,
G_UNICODE_OTHER_LETTER,
G_UNICODE_TITLECASE_LETTER,
G_UNICODE_UPPERCASE_LETTER,
G_UNICODE_COMBINING_MARK,
G_UNICODE_ENCLOSING_MARK,
G_UNICODE_NON_SPACING_MARK,
G_UNICODE_DECIMAL_NUMBER,
G_UNICODE_LETTER_NUMBER,
G_UNICODE_OTHER_NUMBER,
G_UNICODE_CONNECT_PUNCTUATION,
G_UNICODE_DASH_PUNCTUATION,
G_UNICODE_CLOSE_PUNCTUATION,
G_UNICODE_FINAL_PUNCTUATION,
G_UNICODE_INITIAL_PUNCTUATION,
G_UNICODE_OTHER_PUNCTUATION,
G_UNICODE_OPEN_PUNCTUATION,
G_UNICODE_CURRENCY_SYMBOL,
G_UNICODE_MODIFIER_SYMBOL,
G_UNICODE_MATH_SYMBOL,
G_UNICODE_OTHER_SYMBOL,
G_UNICODE_LINE_SEPARATOR,
G_UNICODE_PARAGRAPH_SEPARATOR,
G_UNICODE_SPACE_SEPARATOR
} GUnicodeType;
/* These are the possible line break classifications.
* Note that new types may be added in the future.
* Implementations may regard unknown values like G_UNICODE_BREAK_UNKNOWN
* See http://www.unicode.org/unicode/reports/tr14/
*/
typedef enum
{
G_UNICODE_BREAK_MANDATORY,
G_UNICODE_BREAK_CARRIAGE_RETURN,
G_UNICODE_BREAK_LINE_FEED,
G_UNICODE_BREAK_COMBINING_MARK,
G_UNICODE_BREAK_SURROGATE,
G_UNICODE_BREAK_ZERO_WIDTH_SPACE,
G_UNICODE_BREAK_INSEPARABLE,
G_UNICODE_BREAK_NON_BREAKING_GLUE,
G_UNICODE_BREAK_CONTINGENT,
G_UNICODE_BREAK_SPACE,
G_UNICODE_BREAK_AFTER,
G_UNICODE_BREAK_BEFORE,
G_UNICODE_BREAK_BEFORE_AND_AFTER,
G_UNICODE_BREAK_HYPHEN,
G_UNICODE_BREAK_NON_STARTER,
G_UNICODE_BREAK_OPEN_PUNCTUATION,
G_UNICODE_BREAK_CLOSE_PUNCTUATION,
G_UNICODE_BREAK_QUOTATION,
G_UNICODE_BREAK_EXCLAMATION,
G_UNICODE_BREAK_IDEOGRAPHIC,
G_UNICODE_BREAK_NUMERIC,
G_UNICODE_BREAK_INFIX_SEPARATOR,
G_UNICODE_BREAK_SYMBOL,
G_UNICODE_BREAK_ALPHABETIC,
G_UNICODE_BREAK_PREFIX,
G_UNICODE_BREAK_POSTFIX,
G_UNICODE_BREAK_COMPLEX_CONTEXT,
G_UNICODE_BREAK_AMBIGUOUS,
G_UNICODE_BREAK_UNKNOWN,
G_UNICODE_BREAK_NEXT_LINE,
G_UNICODE_BREAK_WORD_JOINER,
G_UNICODE_BREAK_HANGUL_L_JAMO,
G_UNICODE_BREAK_HANGUL_V_JAMO,
G_UNICODE_BREAK_HANGUL_T_JAMO,
G_UNICODE_BREAK_HANGUL_LV_SYLLABLE,
G_UNICODE_BREAK_HANGUL_LVT_SYLLABLE
} GUnicodeBreakType;
typedef enum
{ /* ISO 15924 code */
G_UNICODE_SCRIPT_INVALID_CODE = -1,
G_UNICODE_SCRIPT_COMMON = 0, /* Zyyy */
G_UNICODE_SCRIPT_INHERITED, /* Qaai */
G_UNICODE_SCRIPT_ARABIC, /* Arab */
G_UNICODE_SCRIPT_ARMENIAN, /* Armn */
G_UNICODE_SCRIPT_BENGALI, /* Beng */
G_UNICODE_SCRIPT_BOPOMOFO, /* Bopo */
G_UNICODE_SCRIPT_CHEROKEE, /* Cher */
G_UNICODE_SCRIPT_COPTIC, /* Qaac */
G_UNICODE_SCRIPT_CYRILLIC, /* Cyrl (Cyrs) */
G_UNICODE_SCRIPT_DESERET, /* Dsrt */
G_UNICODE_SCRIPT_DEVANAGARI, /* Deva */
G_UNICODE_SCRIPT_ETHIOPIC, /* Ethi */
G_UNICODE_SCRIPT_GEORGIAN, /* Geor (Geon, Geoa) */
G_UNICODE_SCRIPT_GOTHIC, /* Goth */
G_UNICODE_SCRIPT_GREEK, /* Grek */
G_UNICODE_SCRIPT_GUJARATI, /* Gujr */
G_UNICODE_SCRIPT_GURMUKHI, /* Guru */
G_UNICODE_SCRIPT_HAN, /* Hani */
G_UNICODE_SCRIPT_HANGUL, /* Hang */
G_UNICODE_SCRIPT_HEBREW, /* Hebr */
G_UNICODE_SCRIPT_HIRAGANA, /* Hira */
G_UNICODE_SCRIPT_KANNADA, /* Knda */
G_UNICODE_SCRIPT_KATAKANA, /* Kana */
G_UNICODE_SCRIPT_KHMER, /* Khmr */
G_UNICODE_SCRIPT_LAO, /* Laoo */
G_UNICODE_SCRIPT_LATIN, /* Latn (Latf, Latg) */
G_UNICODE_SCRIPT_MALAYALAM, /* Mlym */
G_UNICODE_SCRIPT_MONGOLIAN, /* Mong */
G_UNICODE_SCRIPT_MYANMAR, /* Mymr */
G_UNICODE_SCRIPT_OGHAM, /* Ogam */
G_UNICODE_SCRIPT_OLD_ITALIC, /* Ital */
G_UNICODE_SCRIPT_ORIYA, /* Orya */
G_UNICODE_SCRIPT_RUNIC, /* Runr */
G_UNICODE_SCRIPT_SINHALA, /* Sinh */
G_UNICODE_SCRIPT_SYRIAC, /* Syrc (Syrj, Syrn, Syre) */
G_UNICODE_SCRIPT_TAMIL, /* Taml */
G_UNICODE_SCRIPT_TELUGU, /* Telu */
G_UNICODE_SCRIPT_THAANA, /* Thaa */
G_UNICODE_SCRIPT_THAI, /* Thai */
G_UNICODE_SCRIPT_TIBETAN, /* Tibt */
G_UNICODE_SCRIPT_CANADIAN_ABORIGINAL, /* Cans */
G_UNICODE_SCRIPT_YI, /* Yiii */
G_UNICODE_SCRIPT_TAGALOG, /* Tglg */
G_UNICODE_SCRIPT_HANUNOO, /* Hano */
G_UNICODE_SCRIPT_BUHID, /* Buhd */
G_UNICODE_SCRIPT_TAGBANWA, /* Tagb */
/* Unicode-4.0 additions */
G_UNICODE_SCRIPT_BRAILLE, /* Brai */
G_UNICODE_SCRIPT_CYPRIOT, /* Cprt */
G_UNICODE_SCRIPT_LIMBU, /* Limb */
G_UNICODE_SCRIPT_OSMANYA, /* Osma */
G_UNICODE_SCRIPT_SHAVIAN, /* Shaw */
G_UNICODE_SCRIPT_LINEAR_B, /* Linb */
G_UNICODE_SCRIPT_TAI_LE, /* Tale */
G_UNICODE_SCRIPT_UGARITIC, /* Ugar */
/* Unicode-4.1 additions */
G_UNICODE_SCRIPT_NEW_TAI_LUE, /* Talu */
G_UNICODE_SCRIPT_BUGINESE, /* Bugi */
G_UNICODE_SCRIPT_GLAGOLITIC, /* Glag */
G_UNICODE_SCRIPT_TIFINAGH, /* Tfng */
G_UNICODE_SCRIPT_SYLOTI_NAGRI, /* Sylo */
G_UNICODE_SCRIPT_OLD_PERSIAN, /* Xpeo */
G_UNICODE_SCRIPT_KHAROSHTHI, /* Khar */
/* Unicode-5.0 additions */
G_UNICODE_SCRIPT_UNKNOWN, /* Zzzz */
G_UNICODE_SCRIPT_BALINESE, /* Bali */
G_UNICODE_SCRIPT_CUNEIFORM, /* Xsux */
G_UNICODE_SCRIPT_PHOENICIAN, /* Phnx */
G_UNICODE_SCRIPT_PHAGS_PA, /* Phag */
G_UNICODE_SCRIPT_NKO /* Nkoo */
} GUnicodeScript;
/* Returns TRUE if current locale uses UTF-8 charset. If CHARSET is
* not null, sets *CHARSET to the name of the current locale's
* charset. This value is statically allocated, and should be copied
* in case the locale's charset will be changed later using setlocale()
* or in some other way.
*/
gboolean g_get_charset (G_CONST_RETURN char **charset);
/* These are all analogs of the <ctype.h> functions.
*/
gboolean g_unichar_isalnum (gunichar c) G_GNUC_CONST;
gboolean g_unichar_isalpha (gunichar c) G_GNUC_CONST;
gboolean g_unichar_iscntrl (gunichar c) G_GNUC_CONST;
gboolean g_unichar_isdigit (gunichar c) G_GNUC_CONST;
gboolean g_unichar_isgraph (gunichar c) G_GNUC_CONST;
gboolean g_unichar_islower (gunichar c) G_GNUC_CONST;
gboolean g_unichar_isprint (gunichar c) G_GNUC_CONST;
gboolean g_unichar_ispunct (gunichar c) G_GNUC_CONST;
gboolean g_unichar_isspace (gunichar c) G_GNUC_CONST;
gboolean g_unichar_isupper (gunichar c) G_GNUC_CONST;
gboolean g_unichar_isxdigit (gunichar c) G_GNUC_CONST;
gboolean g_unichar_istitle (gunichar c) G_GNUC_CONST;
gboolean g_unichar_isdefined (gunichar c) G_GNUC_CONST;
gboolean g_unichar_iswide (gunichar c) G_GNUC_CONST;
gboolean g_unichar_iswide_cjk(gunichar c) G_GNUC_CONST;
gboolean g_unichar_iszerowidth(gunichar c) G_GNUC_CONST;
gboolean g_unichar_ismark (gunichar c) G_GNUC_CONST;
/* More <ctype.h> functions. These convert between the three cases.
* See the Unicode book to understand title case. */
gunichar g_unichar_toupper (gunichar c) G_GNUC_CONST;
gunichar g_unichar_tolower (gunichar c) G_GNUC_CONST;
gunichar g_unichar_totitle (gunichar c) G_GNUC_CONST;
/* If C is a digit (according to `g_unichar_isdigit'), then return its
numeric value. Otherwise return -1. */
gint g_unichar_digit_value (gunichar c) G_GNUC_CONST;
gint g_unichar_xdigit_value (gunichar c) G_GNUC_CONST;
/* Return the Unicode character type of a given character. */
GUnicodeType g_unichar_type (gunichar c) G_GNUC_CONST;
/* Return the line break property for a given character */
GUnicodeBreakType g_unichar_break_type (gunichar c) G_GNUC_CONST;
/* Returns the combining class for a given character */
gint g_unichar_combining_class (gunichar uc) G_GNUC_CONST;
/* Compute canonical ordering of a string in-place. This rearranges
decomposed characters in the string according to their combining
classes. See the Unicode manual for more information. */
void g_unicode_canonical_ordering (gunichar *string,
gsize len);
/* Compute canonical decomposition of a character. Returns g_malloc()d
string of Unicode characters. RESULT_LEN is set to the resulting
length of the string. */
gunichar *g_unicode_canonical_decomposition (gunichar ch,
gsize *result_len) G_GNUC_MALLOC;
/* Array of skip-bytes-per-initial character.
*/
GLIB_VAR const gchar * const g_utf8_skip;
#define g_utf8_next_char(p) (char *)((p) + g_utf8_skip[*(const guchar *)(p)])
gunichar g_utf8_get_char (const gchar *p) G_GNUC_PURE;
gunichar g_utf8_get_char_validated (const gchar *p,
gssize max_len) G_GNUC_PURE;
gchar* g_utf8_offset_to_pointer (const gchar *str,
glong offset) G_GNUC_PURE;
glong g_utf8_pointer_to_offset (const gchar *str,
const gchar *pos) G_GNUC_PURE;
gchar* g_utf8_prev_char (const gchar *p) G_GNUC_PURE;
gchar* g_utf8_find_next_char (const gchar *p,
const gchar *end) G_GNUC_PURE;
gchar* g_utf8_find_prev_char (const gchar *str,
const gchar *p) G_GNUC_PURE;
glong g_utf8_strlen (const gchar *p,
gssize max) G_GNUC_PURE;
/* Copies n characters from src to dest */
gchar* g_utf8_strncpy (gchar *dest,
const gchar *src,
gsize n);
/* Find the UTF-8 character corresponding to ch, in string p. These
functions are equivalants to strchr and strrchr */
gchar* g_utf8_strchr (const gchar *p,
gssize len,
gunichar c);
gchar* g_utf8_strrchr (const gchar *p,
gssize len,
gunichar c);
gchar* g_utf8_strreverse (const gchar *str,
gssize len);
gunichar2 *g_utf8_to_utf16 (const gchar *str,
glong len,
glong *items_read,
glong *items_written,
GError **error) G_GNUC_MALLOC;
gunichar * g_utf8_to_ucs4 (const gchar *str,
glong len,
glong *items_read,
glong *items_written,
GError **error) G_GNUC_MALLOC;
gunichar * g_utf8_to_ucs4_fast (const gchar *str,
glong len,
glong *items_written) G_GNUC_MALLOC;
gunichar * g_utf16_to_ucs4 (const gunichar2 *str,
glong len,
glong *items_read,
glong *items_written,
GError **error) G_GNUC_MALLOC;
gchar* g_utf16_to_utf8 (const gunichar2 *str,
glong len,
glong *items_read,
glong *items_written,
GError **error) G_GNUC_MALLOC;
gunichar2 *g_ucs4_to_utf16 (const gunichar *str,
glong len,
glong *items_read,
glong *items_written,
GError **error) G_GNUC_MALLOC;
gchar* g_ucs4_to_utf8 (const gunichar *str,
glong len,
glong *items_read,
glong *items_written,
GError **error) G_GNUC_MALLOC;
/* Convert a single character into UTF-8. outbuf must have at
* least 6 bytes of space. Returns the number of bytes in the
* result.
*/
gint g_unichar_to_utf8 (gunichar c,
gchar *outbuf);
/* Validate a UTF8 string, return TRUE if valid, put pointer to
* first invalid char in **end
*/
gboolean g_utf8_validate (const gchar *str,
gssize max_len,
const gchar **end);
/* Validate a Unicode character */
gboolean g_unichar_validate (gunichar ch) G_GNUC_CONST;
gchar *g_utf8_strup (const gchar *str,
gssize len) G_GNUC_MALLOC;
gchar *g_utf8_strdown (const gchar *str,
gssize len) G_GNUC_MALLOC;
gchar *g_utf8_casefold (const gchar *str,
gssize len) G_GNUC_MALLOC;
typedef enum {
G_NORMALIZE_DEFAULT,
G_NORMALIZE_NFD = G_NORMALIZE_DEFAULT,
G_NORMALIZE_DEFAULT_COMPOSE,
G_NORMALIZE_NFC = G_NORMALIZE_DEFAULT_COMPOSE,
G_NORMALIZE_ALL,
G_NORMALIZE_NFKD = G_NORMALIZE_ALL,
G_NORMALIZE_ALL_COMPOSE,
G_NORMALIZE_NFKC = G_NORMALIZE_ALL_COMPOSE
} GNormalizeMode;
gchar *g_utf8_normalize (const gchar *str,
gssize len,
GNormalizeMode mode) G_GNUC_MALLOC;
gint g_utf8_collate (const gchar *str1,
const gchar *str2) G_GNUC_PURE;
gchar *g_utf8_collate_key (const gchar *str,
gssize len) G_GNUC_MALLOC;
gchar *g_utf8_collate_key_for_filename (const gchar *str,
gssize len) G_GNUC_MALLOC;
gboolean g_unichar_get_mirror_char (gunichar ch,
gunichar *mirrored_ch);
GUnicodeScript g_unichar_get_script (gunichar ch) G_GNUC_CONST;
/* private */
gchar *_g_utf8_make_valid (const gchar *name);
G_END_DECLS
#endif /* __G_UNICODE_H__ */
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