2 * Copyright © 2009 Red Hat, Inc.
3 * Copyright © 2009 Keith Stribley
4 * Copyright © 2011 Google, Inc.
6 * This is part of HarfBuzz, a text shaping library.
8 * Permission is hereby granted, without written agreement and without
9 * license or royalty fees, to use, copy, modify, and distribute this
10 * software and its documentation for any purpose, provided that the
11 * above copyright notice and the following two paragraphs appear in
12 * all copies of this software.
14 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
15 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
16 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
17 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
20 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
21 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
22 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
23 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
24 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
26 * Red Hat Author(s): Behdad Esfahbod
27 * Google Author(s): Behdad Esfahbod
30 #include "hb-private.hh"
34 #include "hb-unicode-private.hh"
36 #include <unicode/uversion.h>
37 #include <unicode/uchar.h>
43 hb_icu_script_to_script (UScriptCode script)
45 if (unlikely (script == USCRIPT_INVALID_CODE))
46 return HB_SCRIPT_INVALID;
48 return hb_script_from_string (uscript_getShortName (script));
52 hb_icu_script_from_script (hb_script_t script)
54 if (unlikely (script == HB_SCRIPT_INVALID))
55 return USCRIPT_INVALID_CODE;
57 for (unsigned int i = 0; i < USCRIPT_CODE_LIMIT; i++)
58 if (unlikely (hb_icu_script_to_script ((UScriptCode) i) == script))
59 return (UScriptCode) i;
61 return USCRIPT_UNKNOWN;
66 hb_icu_get_combining_class (hb_unicode_funcs_t *ufuncs,
67 hb_codepoint_t unicode,
71 return u_getCombiningClass (unicode);
75 hb_icu_get_eastasian_width (hb_unicode_funcs_t *ufuncs,
76 hb_codepoint_t unicode,
79 switch (u_getIntPropertyValue(unicode, UCHAR_EAST_ASIAN_WIDTH))
93 static hb_unicode_general_category_t
94 hb_icu_get_general_category (hb_unicode_funcs_t *ufuncs,
95 hb_codepoint_t unicode,
98 switch (u_getIntPropertyValue(unicode, UCHAR_GENERAL_CATEGORY))
100 case U_UNASSIGNED: return HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED;
102 case U_UPPERCASE_LETTER: return HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER;
103 case U_LOWERCASE_LETTER: return HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER;
104 case U_TITLECASE_LETTER: return HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER;
105 case U_MODIFIER_LETTER: return HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER;
106 case U_OTHER_LETTER: return HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER;
108 case U_NON_SPACING_MARK: return HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK;
109 case U_ENCLOSING_MARK: return HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK;
110 case U_COMBINING_SPACING_MARK: return HB_UNICODE_GENERAL_CATEGORY_COMBINING_MARK;
112 case U_DECIMAL_DIGIT_NUMBER: return HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER;
113 case U_LETTER_NUMBER: return HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER;
114 case U_OTHER_NUMBER: return HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER;
116 case U_SPACE_SEPARATOR: return HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR;
117 case U_LINE_SEPARATOR: return HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR;
118 case U_PARAGRAPH_SEPARATOR: return HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR;
120 case U_CONTROL_CHAR: return HB_UNICODE_GENERAL_CATEGORY_CONTROL;
121 case U_FORMAT_CHAR: return HB_UNICODE_GENERAL_CATEGORY_FORMAT;
122 case U_PRIVATE_USE_CHAR: return HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE;
123 case U_SURROGATE: return HB_UNICODE_GENERAL_CATEGORY_SURROGATE;
126 case U_DASH_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION;
127 case U_START_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION;
128 case U_END_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION;
129 case U_CONNECTOR_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION;
130 case U_OTHER_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION;
132 case U_MATH_SYMBOL: return HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL;
133 case U_CURRENCY_SYMBOL: return HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL;
134 case U_MODIFIER_SYMBOL: return HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL;
135 case U_OTHER_SYMBOL: return HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL;
137 case U_INITIAL_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION;
138 case U_FINAL_PUNCTUATION: return HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION;
141 return HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED;
144 static hb_codepoint_t
145 hb_icu_get_mirroring (hb_unicode_funcs_t *ufuncs,
146 hb_codepoint_t unicode,
149 return u_charMirror(unicode);
153 hb_icu_get_script (hb_unicode_funcs_t *ufuncs,
154 hb_codepoint_t unicode,
157 UErrorCode status = U_ZERO_ERROR;
158 UScriptCode scriptCode = uscript_getScript(unicode, &status);
160 return hb_icu_script_to_script (scriptCode);
163 extern HB_INTERNAL hb_unicode_funcs_t _hb_unicode_funcs_icu;
164 hb_unicode_funcs_t _hb_icu_unicode_funcs = {
165 HB_OBJECT_HEADER_STATIC,
168 TRUE, /* immutable */
170 hb_icu_get_combining_class,
171 hb_icu_get_eastasian_width,
172 hb_icu_get_general_category,
173 hb_icu_get_mirroring,
179 hb_icu_get_unicode_funcs (void)
181 return &_hb_icu_unicode_funcs;