| /* gunicode.h - Unicode manipulation functions |
| * |
| * Copyright (C) 1999, 2000 Tom Tromey |
| * Copyright 2000 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. |
| */ |
| |
| #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/UnicodeData.html |
| */ |
| 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. |
| * 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 |
| } GUnicodeBreakType; |
| |
| /* 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; |
| |
| /* 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; |
| |
| |
| /* 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); |
| |
| /* 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[*(guchar *)(p)]) |
| |
| gunichar g_utf8_get_char (const gchar *p); |
| gunichar g_utf8_get_char_validated (const gchar *p, |
| gssize max_len); |
| |
| gchar* g_utf8_offset_to_pointer (const gchar *str, |
| glong offset); |
| glong g_utf8_pointer_to_offset (const gchar *str, |
| const gchar *pos); |
| gchar* g_utf8_prev_char (const gchar *p); |
| gchar* g_utf8_find_next_char (const gchar *p, |
| const gchar *end); |
| gchar* g_utf8_find_prev_char (const gchar *str, |
| const gchar *p); |
| |
| glong g_utf8_strlen (const gchar *p, |
| gssize max); |
| |
| /* 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); |
| gunichar * g_utf8_to_ucs4 (const gchar *str, |
| glong len, |
| glong *items_read, |
| glong *items_written, |
| GError **error); |
| gunichar * g_utf8_to_ucs4_fast (const gchar *str, |
| glong len, |
| glong *items_written); |
| gunichar * g_utf16_to_ucs4 (const gunichar2 *str, |
| glong len, |
| glong *items_read, |
| glong *items_written, |
| GError **error); |
| gchar* g_utf16_to_utf8 (const gunichar2 *str, |
| glong len, |
| glong *items_read, |
| glong *items_written, |
| GError **error); |
| gunichar2 *g_ucs4_to_utf16 (const gunichar *str, |
| glong len, |
| glong *items_read, |
| glong *items_written, |
| GError **error); |
| gchar* g_ucs4_to_utf8 (const gunichar *str, |
| glong len, |
| glong *items_read, |
| glong *items_written, |
| GError **error); |
| |
| /* 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); |
| |
| gchar *g_utf8_strup (const gchar *str, |
| gssize len); |
| gchar *g_utf8_strdown (const gchar *str, |
| gssize len); |
| gchar *g_utf8_casefold (const gchar *str, |
| gssize len); |
| |
| 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); |
| |
| gint g_utf8_collate (const gchar *str1, |
| const gchar *str2); |
| gchar *g_utf8_collate_key (const gchar *str, |
| gssize len); |
| |
| G_END_DECLS |
| |
| #endif /* __G_UNICODE_H__ */ |