405 lines
12 KiB
C++
405 lines
12 KiB
C++
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/*
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* Copyright © 2009 Red Hat, Inc.
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* Copyright © 2011 Codethink Limited
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* Copyright © 2011,2012 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Red Hat Author(s): Behdad Esfahbod
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* Codethink Author(s): Ryan Lortie
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* Google Author(s): Behdad Esfahbod
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*/
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#ifndef HB_H_IN
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#error "Include <hb.h> instead."
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#endif
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#ifndef HB_UNICODE_H
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#define HB_UNICODE_H
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#include "hb-common.h"
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HB_BEGIN_DECLS
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/**
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* HB_UNICODE_MAX
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*
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* Since: 1.9.0
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**/
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#define HB_UNICODE_MAX 0x10FFFFu
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/* hb_unicode_general_category_t */
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/* Unicode Character Database property: General_Category (gc) */
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typedef enum
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{
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HB_UNICODE_GENERAL_CATEGORY_CONTROL, /* Cc */
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HB_UNICODE_GENERAL_CATEGORY_FORMAT, /* Cf */
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HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED, /* Cn */
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HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE, /* Co */
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HB_UNICODE_GENERAL_CATEGORY_SURROGATE, /* Cs */
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HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER, /* Ll */
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HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER, /* Lm */
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HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER, /* Lo */
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HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER, /* Lt */
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HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER, /* Lu */
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HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK, /* Mc */
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HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK, /* Me */
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HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK, /* Mn */
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HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER, /* Nd */
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HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER, /* Nl */
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HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER, /* No */
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HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION, /* Pc */
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HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION, /* Pd */
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HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION, /* Pe */
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HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION, /* Pf */
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HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION, /* Pi */
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HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION, /* Po */
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HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION, /* Ps */
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HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL, /* Sc */
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HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL, /* Sk */
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HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL, /* Sm */
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HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL, /* So */
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HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR, /* Zl */
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HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR, /* Zp */
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HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR /* Zs */
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} hb_unicode_general_category_t;
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/* hb_unicode_combining_class_t */
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/* Note: newer versions of Unicode may add new values. Clients should be ready to handle
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* any value in the 0..254 range being returned from hb_unicode_combining_class().
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*/
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/* Unicode Character Database property: Canonical_Combining_Class (ccc) */
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typedef enum
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{
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HB_UNICODE_COMBINING_CLASS_NOT_REORDERED = 0,
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HB_UNICODE_COMBINING_CLASS_OVERLAY = 1,
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HB_UNICODE_COMBINING_CLASS_NUKTA = 7,
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HB_UNICODE_COMBINING_CLASS_KANA_VOICING = 8,
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HB_UNICODE_COMBINING_CLASS_VIRAMA = 9,
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/* Hebrew */
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HB_UNICODE_COMBINING_CLASS_CCC10 = 10,
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HB_UNICODE_COMBINING_CLASS_CCC11 = 11,
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HB_UNICODE_COMBINING_CLASS_CCC12 = 12,
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HB_UNICODE_COMBINING_CLASS_CCC13 = 13,
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HB_UNICODE_COMBINING_CLASS_CCC14 = 14,
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HB_UNICODE_COMBINING_CLASS_CCC15 = 15,
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HB_UNICODE_COMBINING_CLASS_CCC16 = 16,
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HB_UNICODE_COMBINING_CLASS_CCC17 = 17,
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HB_UNICODE_COMBINING_CLASS_CCC18 = 18,
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HB_UNICODE_COMBINING_CLASS_CCC19 = 19,
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HB_UNICODE_COMBINING_CLASS_CCC20 = 20,
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HB_UNICODE_COMBINING_CLASS_CCC21 = 21,
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HB_UNICODE_COMBINING_CLASS_CCC22 = 22,
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HB_UNICODE_COMBINING_CLASS_CCC23 = 23,
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HB_UNICODE_COMBINING_CLASS_CCC24 = 24,
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HB_UNICODE_COMBINING_CLASS_CCC25 = 25,
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HB_UNICODE_COMBINING_CLASS_CCC26 = 26,
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/* Arabic */
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HB_UNICODE_COMBINING_CLASS_CCC27 = 27,
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HB_UNICODE_COMBINING_CLASS_CCC28 = 28,
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HB_UNICODE_COMBINING_CLASS_CCC29 = 29,
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HB_UNICODE_COMBINING_CLASS_CCC30 = 30,
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HB_UNICODE_COMBINING_CLASS_CCC31 = 31,
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HB_UNICODE_COMBINING_CLASS_CCC32 = 32,
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HB_UNICODE_COMBINING_CLASS_CCC33 = 33,
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HB_UNICODE_COMBINING_CLASS_CCC34 = 34,
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HB_UNICODE_COMBINING_CLASS_CCC35 = 35,
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/* Syriac */
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HB_UNICODE_COMBINING_CLASS_CCC36 = 36,
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/* Telugu */
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HB_UNICODE_COMBINING_CLASS_CCC84 = 84,
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HB_UNICODE_COMBINING_CLASS_CCC91 = 91,
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/* Thai */
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HB_UNICODE_COMBINING_CLASS_CCC103 = 103,
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HB_UNICODE_COMBINING_CLASS_CCC107 = 107,
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/* Lao */
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HB_UNICODE_COMBINING_CLASS_CCC118 = 118,
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HB_UNICODE_COMBINING_CLASS_CCC122 = 122,
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/* Tibetan */
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HB_UNICODE_COMBINING_CLASS_CCC129 = 129,
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HB_UNICODE_COMBINING_CLASS_CCC130 = 130,
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HB_UNICODE_COMBINING_CLASS_CCC133 = 132,
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HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT = 200,
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HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW = 202,
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HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE = 214,
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HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT = 216,
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HB_UNICODE_COMBINING_CLASS_BELOW_LEFT = 218,
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HB_UNICODE_COMBINING_CLASS_BELOW = 220,
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HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT = 222,
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HB_UNICODE_COMBINING_CLASS_LEFT = 224,
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HB_UNICODE_COMBINING_CLASS_RIGHT = 226,
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HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT = 228,
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HB_UNICODE_COMBINING_CLASS_ABOVE = 230,
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HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT = 232,
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HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW = 233,
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HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE = 234,
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HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT = 240,
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HB_UNICODE_COMBINING_CLASS_INVALID = 255
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} hb_unicode_combining_class_t;
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/*
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* hb_unicode_funcs_t
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*/
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typedef struct hb_unicode_funcs_t hb_unicode_funcs_t;
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/*
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* just give me the best implementation you've got there.
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*/
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HB_EXTERN hb_unicode_funcs_t *
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hb_unicode_funcs_get_default (void);
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HB_EXTERN hb_unicode_funcs_t *
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hb_unicode_funcs_create (hb_unicode_funcs_t *parent);
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HB_EXTERN hb_unicode_funcs_t *
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hb_unicode_funcs_get_empty (void);
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HB_EXTERN hb_unicode_funcs_t *
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hb_unicode_funcs_reference (hb_unicode_funcs_t *ufuncs);
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HB_EXTERN void
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hb_unicode_funcs_destroy (hb_unicode_funcs_t *ufuncs);
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HB_EXTERN hb_bool_t
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hb_unicode_funcs_set_user_data (hb_unicode_funcs_t *ufuncs,
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hb_user_data_key_t *key,
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void * data,
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hb_destroy_func_t destroy,
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hb_bool_t replace);
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HB_EXTERN void *
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hb_unicode_funcs_get_user_data (hb_unicode_funcs_t *ufuncs,
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hb_user_data_key_t *key);
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HB_EXTERN void
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hb_unicode_funcs_make_immutable (hb_unicode_funcs_t *ufuncs);
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HB_EXTERN hb_bool_t
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hb_unicode_funcs_is_immutable (hb_unicode_funcs_t *ufuncs);
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HB_EXTERN hb_unicode_funcs_t *
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hb_unicode_funcs_get_parent (hb_unicode_funcs_t *ufuncs);
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/*
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* funcs
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*/
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/* typedefs */
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typedef hb_unicode_combining_class_t (*hb_unicode_combining_class_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t unicode,
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void *user_data);
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typedef hb_unicode_general_category_t (*hb_unicode_general_category_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t unicode,
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void *user_data);
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typedef hb_codepoint_t (*hb_unicode_mirroring_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t unicode,
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void *user_data);
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typedef hb_script_t (*hb_unicode_script_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t unicode,
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void *user_data);
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typedef hb_bool_t (*hb_unicode_compose_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t a,
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hb_codepoint_t b,
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hb_codepoint_t *ab,
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void *user_data);
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typedef hb_bool_t (*hb_unicode_decompose_func_t) (hb_unicode_funcs_t *ufuncs,
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hb_codepoint_t ab,
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hb_codepoint_t *a,
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hb_codepoint_t *b,
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void *user_data);
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/* setters */
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/**
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* hb_unicode_funcs_set_combining_class_func:
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* @ufuncs: a Unicode function structure
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* @func: (closure user_data) (destroy destroy) (scope notified):
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* @user_data:
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* @destroy:
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*
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*
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*
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* Since: 0.9.2
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**/
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HB_EXTERN void
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hb_unicode_funcs_set_combining_class_func (hb_unicode_funcs_t *ufuncs,
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hb_unicode_combining_class_func_t func,
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void *user_data, hb_destroy_func_t destroy);
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/**
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* hb_unicode_funcs_set_general_category_func:
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* @ufuncs: a Unicode function structure
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* @func: (closure user_data) (destroy destroy) (scope notified):
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* @user_data:
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* @destroy:
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*
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*
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*
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* Since: 0.9.2
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**/
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HB_EXTERN void
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hb_unicode_funcs_set_general_category_func (hb_unicode_funcs_t *ufuncs,
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hb_unicode_general_category_func_t func,
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void *user_data, hb_destroy_func_t destroy);
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/**
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* hb_unicode_funcs_set_mirroring_func:
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* @ufuncs: a Unicode function structure
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* @func: (closure user_data) (destroy destroy) (scope notified):
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* @user_data:
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* @destroy:
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*
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*
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*
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* Since: 0.9.2
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**/
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HB_EXTERN void
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hb_unicode_funcs_set_mirroring_func (hb_unicode_funcs_t *ufuncs,
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hb_unicode_mirroring_func_t func,
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void *user_data, hb_destroy_func_t destroy);
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/**
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* hb_unicode_funcs_set_script_func:
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* @ufuncs: a Unicode function structure
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* @func: (closure user_data) (destroy destroy) (scope notified):
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* @user_data:
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* @destroy:
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*
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*
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*
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* Since: 0.9.2
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**/
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HB_EXTERN void
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hb_unicode_funcs_set_script_func (hb_unicode_funcs_t *ufuncs,
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hb_unicode_script_func_t func,
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void *user_data, hb_destroy_func_t destroy);
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/**
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* hb_unicode_funcs_set_compose_func:
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* @ufuncs: a Unicode function structure
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* @func: (closure user_data) (destroy destroy) (scope notified):
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* @user_data:
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* @destroy:
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*
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*
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*
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* Since: 0.9.2
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**/
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HB_EXTERN void
|
||
|
|
hb_unicode_funcs_set_compose_func (hb_unicode_funcs_t *ufuncs,
|
||
|
|
hb_unicode_compose_func_t func,
|
||
|
|
void *user_data, hb_destroy_func_t destroy);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* hb_unicode_funcs_set_decompose_func:
|
||
|
|
* @ufuncs: a Unicode function structure
|
||
|
|
* @func: (closure user_data) (destroy destroy) (scope notified):
|
||
|
|
* @user_data:
|
||
|
|
* @destroy:
|
||
|
|
*
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Since: 0.9.2
|
||
|
|
**/
|
||
|
|
HB_EXTERN void
|
||
|
|
hb_unicode_funcs_set_decompose_func (hb_unicode_funcs_t *ufuncs,
|
||
|
|
hb_unicode_decompose_func_t func,
|
||
|
|
void *user_data, hb_destroy_func_t destroy);
|
||
|
|
|
||
|
|
/* accessors */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* hb_unicode_combining_class:
|
||
|
|
*
|
||
|
|
* Since: 0.9.2
|
||
|
|
**/
|
||
|
|
HB_EXTERN hb_unicode_combining_class_t
|
||
|
|
hb_unicode_combining_class (hb_unicode_funcs_t *ufuncs,
|
||
|
|
hb_codepoint_t unicode);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* hb_unicode_general_category:
|
||
|
|
*
|
||
|
|
* Since: 0.9.2
|
||
|
|
**/
|
||
|
|
HB_EXTERN hb_unicode_general_category_t
|
||
|
|
hb_unicode_general_category (hb_unicode_funcs_t *ufuncs,
|
||
|
|
hb_codepoint_t unicode);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* hb_unicode_mirroring:
|
||
|
|
*
|
||
|
|
* Since: 0.9.2
|
||
|
|
**/
|
||
|
|
HB_EXTERN hb_codepoint_t
|
||
|
|
hb_unicode_mirroring (hb_unicode_funcs_t *ufuncs,
|
||
|
|
hb_codepoint_t unicode);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* hb_unicode_script:
|
||
|
|
*
|
||
|
|
* Since: 0.9.2
|
||
|
|
**/
|
||
|
|
HB_EXTERN hb_script_t
|
||
|
|
hb_unicode_script (hb_unicode_funcs_t *ufuncs,
|
||
|
|
hb_codepoint_t unicode);
|
||
|
|
|
||
|
|
HB_EXTERN hb_bool_t
|
||
|
|
hb_unicode_compose (hb_unicode_funcs_t *ufuncs,
|
||
|
|
hb_codepoint_t a,
|
||
|
|
hb_codepoint_t b,
|
||
|
|
hb_codepoint_t *ab);
|
||
|
|
|
||
|
|
HB_EXTERN hb_bool_t
|
||
|
|
hb_unicode_decompose (hb_unicode_funcs_t *ufuncs,
|
||
|
|
hb_codepoint_t ab,
|
||
|
|
hb_codepoint_t *a,
|
||
|
|
hb_codepoint_t *b);
|
||
|
|
|
||
|
|
HB_END_DECLS
|
||
|
|
|
||
|
|
#endif /* HB_UNICODE_H */
|