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Diffstat (limited to 'support/glib/gunicode.h')
| -rw-r--r-- | support/glib/gunicode.h | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/support/glib/gunicode.h b/support/glib/gunicode.h new file mode 100644 index 00000000..78b259e4 --- /dev/null +++ b/support/glib/gunicode.h @@ -0,0 +1,404 @@ +/* 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 (__GLIB_H_INSIDE__) && !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 */ + + /* Unicode-5.1 additions */ + G_UNICODE_SCRIPT_KAYAH_LI, /* Kali */ + G_UNICODE_SCRIPT_LEPCHA, /* Lepc */ + G_UNICODE_SCRIPT_REJANG, /* Rjng */ + G_UNICODE_SCRIPT_SUNDANESE, /* Sund */ + G_UNICODE_SCRIPT_SAURASHTRA, /* Saur */ + G_UNICODE_SCRIPT_CHAM, /* Cham */ + G_UNICODE_SCRIPT_OL_CHIKI, /* Olck */ + G_UNICODE_SCRIPT_VAI, /* Vaii */ + G_UNICODE_SCRIPT_CARIAN, /* Cari */ + G_UNICODE_SCRIPT_LYCIAN, /* Lyci */ + G_UNICODE_SCRIPT_LYDIAN /* Lydi */ +} 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__ */ |