| /* 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 __GUNICODE_H__ |
| #define __GUNICODE_H__ |
| |
| #include <stddef.h> /* For size_t */ |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| typedef guint32 gunichar; |
| typedef guint16 gunichar2; |
| |
| /* These are the possible character classifications. */ |
| 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; |
| |
| /* 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. |
| */ |
| gboolean g_get_charset (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; |
| |
| |
| |
| /* 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, |
| size_t 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, |
| size_t *result_len); |
| |
| /* Array of skip-bytes-per-initial character. |
| * We prefix variable declarations so they can |
| * properly get exported in windows dlls. |
| */ |
| #ifndef GLIB_VAR |
| # ifdef G_OS_WIN32 |
| # ifdef GLIB_COMPILATION |
| # define GLIB_VAR __declspec(dllexport) |
| # else /* !GLIB_COMPILATION */ |
| # define GLIB_VAR extern __declspec(dllimport) |
| # endif /* !GLIB_COMPILATION */ |
| # else /* !G_OS_WIN32 */ |
| # define GLIB_VAR extern |
| # endif /* !G_OS_WIN32 */ |
| #endif /* !GLIB_VAR */ |
| |
| GLIB_VAR char g_utf8_skip[256]; |
| |
| #define g_utf8_next_char(p) (char *)((p) + g_utf8_skip[*(guchar *)(p)]) |
| |
| gunichar g_utf8_get_char (const gchar *p); |
| gchar * g_utf8_offset_to_pointer (const gchar *str, |
| gint offset); |
| gint 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); |
| |
| gint g_utf8_strlen (const gchar *p, |
| gint max); |
| |
| /* Copies n characters from src to dest */ |
| gchar *g_utf8_strncpy (gchar *dest, |
| const gchar *src, |
| size_t 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, |
| gunichar c); |
| gchar *g_utf8_strrchr (const gchar *p, |
| gunichar c); |
| |
| gunichar2 *g_utf8_to_utf16 (const gchar *str, |
| gint len); |
| gunichar * g_utf8_to_ucs4 (const gchar *str, |
| gint len); |
| gunichar * g_utf16_to_ucs4 (const gunichar2 *str, |
| gint len); |
| gchar * g_utf16_to_utf8 (const gunichar2 *str, |
| gint len); |
| gunichar * g_ucs4_to_utf16 (const gunichar *str, |
| gint len); |
| gchar * g_ucs4_to_utf8 (const gunichar *str, |
| gint len); |
| |
| /* 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, |
| char *outbuf); |
| |
| /* Validate a UTF8 string, return TRUE if valid, put pointer to |
| * first invalid char in **end |
| */ |
| |
| gboolean g_utf8_validate (const gchar *str, |
| gint len, |
| const gchar **end); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GUNICODE_H */ |
