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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.
- */
-
- #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.
- * 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
- } 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) 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[*(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) 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);
-
- 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);
- 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);
-
- G_END_DECLS
-
- #endif /* __G_UNICODE_H__ */
-