1/*
2 * Copyright (C) 2012 Grigori Goronzy <greg@kinoho.net>
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include "hb.hh"
18
19#include "hb-unicode.hh"
20#include "hb-machinery.hh"
21
22#include "ucdn.h"
23
24static const hb_script_t ucdn_script_translate[] =
25{
26 HB_SCRIPT_COMMON,
27 HB_SCRIPT_LATIN,
28 HB_SCRIPT_GREEK,
29 HB_SCRIPT_CYRILLIC,
30 HB_SCRIPT_ARMENIAN,
31 HB_SCRIPT_HEBREW,
32 HB_SCRIPT_ARABIC,
33 HB_SCRIPT_SYRIAC,
34 HB_SCRIPT_THAANA,
35 HB_SCRIPT_DEVANAGARI,
36 HB_SCRIPT_BENGALI,
37 HB_SCRIPT_GURMUKHI,
38 HB_SCRIPT_GUJARATI,
39 HB_SCRIPT_ORIYA,
40 HB_SCRIPT_TAMIL,
41 HB_SCRIPT_TELUGU,
42 HB_SCRIPT_KANNADA,
43 HB_SCRIPT_MALAYALAM,
44 HB_SCRIPT_SINHALA,
45 HB_SCRIPT_THAI,
46 HB_SCRIPT_LAO,
47 HB_SCRIPT_TIBETAN,
48 HB_SCRIPT_MYANMAR,
49 HB_SCRIPT_GEORGIAN,
50 HB_SCRIPT_HANGUL,
51 HB_SCRIPT_ETHIOPIC,
52 HB_SCRIPT_CHEROKEE,
53 HB_SCRIPT_CANADIAN_SYLLABICS,
54 HB_SCRIPT_OGHAM,
55 HB_SCRIPT_RUNIC,
56 HB_SCRIPT_KHMER,
57 HB_SCRIPT_MONGOLIAN,
58 HB_SCRIPT_HIRAGANA,
59 HB_SCRIPT_KATAKANA,
60 HB_SCRIPT_BOPOMOFO,
61 HB_SCRIPT_HAN,
62 HB_SCRIPT_YI,
63 HB_SCRIPT_OLD_ITALIC,
64 HB_SCRIPT_GOTHIC,
65 HB_SCRIPT_DESERET,
66 HB_SCRIPT_INHERITED,
67 HB_SCRIPT_TAGALOG,
68 HB_SCRIPT_HANUNOO,
69 HB_SCRIPT_BUHID,
70 HB_SCRIPT_TAGBANWA,
71 HB_SCRIPT_LIMBU,
72 HB_SCRIPT_TAI_LE,
73 HB_SCRIPT_LINEAR_B,
74 HB_SCRIPT_UGARITIC,
75 HB_SCRIPT_SHAVIAN,
76 HB_SCRIPT_OSMANYA,
77 HB_SCRIPT_CYPRIOT,
78 HB_SCRIPT_BRAILLE,
79 HB_SCRIPT_BUGINESE,
80 HB_SCRIPT_COPTIC,
81 HB_SCRIPT_NEW_TAI_LUE,
82 HB_SCRIPT_GLAGOLITIC,
83 HB_SCRIPT_TIFINAGH,
84 HB_SCRIPT_SYLOTI_NAGRI,
85 HB_SCRIPT_OLD_PERSIAN,
86 HB_SCRIPT_KHAROSHTHI,
87 HB_SCRIPT_BALINESE,
88 HB_SCRIPT_CUNEIFORM,
89 HB_SCRIPT_PHOENICIAN,
90 HB_SCRIPT_PHAGS_PA,
91 HB_SCRIPT_NKO,
92 HB_SCRIPT_SUNDANESE,
93 HB_SCRIPT_LEPCHA,
94 HB_SCRIPT_OL_CHIKI,
95 HB_SCRIPT_VAI,
96 HB_SCRIPT_SAURASHTRA,
97 HB_SCRIPT_KAYAH_LI,
98 HB_SCRIPT_REJANG,
99 HB_SCRIPT_LYCIAN,
100 HB_SCRIPT_CARIAN,
101 HB_SCRIPT_LYDIAN,
102 HB_SCRIPT_CHAM,
103 HB_SCRIPT_TAI_THAM,
104 HB_SCRIPT_TAI_VIET,
105 HB_SCRIPT_AVESTAN,
106 HB_SCRIPT_EGYPTIAN_HIEROGLYPHS,
107 HB_SCRIPT_SAMARITAN,
108 HB_SCRIPT_LISU,
109 HB_SCRIPT_BAMUM,
110 HB_SCRIPT_JAVANESE,
111 HB_SCRIPT_MEETEI_MAYEK,
112 HB_SCRIPT_IMPERIAL_ARAMAIC,
113 HB_SCRIPT_OLD_SOUTH_ARABIAN,
114 HB_SCRIPT_INSCRIPTIONAL_PARTHIAN,
115 HB_SCRIPT_INSCRIPTIONAL_PAHLAVI,
116 HB_SCRIPT_OLD_TURKIC,
117 HB_SCRIPT_KAITHI,
118 HB_SCRIPT_BATAK,
119 HB_SCRIPT_BRAHMI,
120 HB_SCRIPT_MANDAIC,
121 HB_SCRIPT_CHAKMA,
122 HB_SCRIPT_MEROITIC_CURSIVE,
123 HB_SCRIPT_MEROITIC_HIEROGLYPHS,
124 HB_SCRIPT_MIAO,
125 HB_SCRIPT_SHARADA,
126 HB_SCRIPT_SORA_SOMPENG,
127 HB_SCRIPT_TAKRI,
128 HB_SCRIPT_UNKNOWN,
129 HB_SCRIPT_BASSA_VAH,
130 HB_SCRIPT_CAUCASIAN_ALBANIAN,
131 HB_SCRIPT_DUPLOYAN,
132 HB_SCRIPT_ELBASAN,
133 HB_SCRIPT_GRANTHA,
134 HB_SCRIPT_KHOJKI,
135 HB_SCRIPT_KHUDAWADI,
136 HB_SCRIPT_LINEAR_A,
137 HB_SCRIPT_MAHAJANI,
138 HB_SCRIPT_MANICHAEAN,
139 HB_SCRIPT_MENDE_KIKAKUI,
140 HB_SCRIPT_MODI,
141 HB_SCRIPT_MRO,
142 HB_SCRIPT_NABATAEAN,
143 HB_SCRIPT_OLD_NORTH_ARABIAN,
144 HB_SCRIPT_OLD_PERMIC,
145 HB_SCRIPT_PAHAWH_HMONG,
146 HB_SCRIPT_PALMYRENE,
147 HB_SCRIPT_PAU_CIN_HAU,
148 HB_SCRIPT_PSALTER_PAHLAVI,
149 HB_SCRIPT_SIDDHAM,
150 HB_SCRIPT_TIRHUTA,
151 HB_SCRIPT_WARANG_CITI,
152 HB_SCRIPT_AHOM,
153 HB_SCRIPT_ANATOLIAN_HIEROGLYPHS,
154 HB_SCRIPT_HATRAN,
155 HB_SCRIPT_MULTANI,
156 HB_SCRIPT_OLD_HUNGARIAN,
157 HB_SCRIPT_SIGNWRITING,
158 HB_SCRIPT_ADLAM,
159 HB_SCRIPT_BHAIKSUKI,
160 HB_SCRIPT_MARCHEN,
161 HB_SCRIPT_NEWA,
162 HB_SCRIPT_OSAGE,
163 HB_SCRIPT_TANGUT,
164 HB_SCRIPT_MASARAM_GONDI,
165 HB_SCRIPT_NUSHU,
166 HB_SCRIPT_SOYOMBO,
167 HB_SCRIPT_ZANABAZAR_SQUARE,
168 HB_SCRIPT_DOGRA,
169 HB_SCRIPT_GUNJALA_GONDI,
170 HB_SCRIPT_HANIFI_ROHINGYA,
171 HB_SCRIPT_MAKASAR,
172 HB_SCRIPT_MEDEFAIDRIN,
173 HB_SCRIPT_OLD_SOGDIAN,
174 HB_SCRIPT_SOGDIAN,
175};
176
177static hb_unicode_combining_class_t
178hb_ucdn_combining_class(hb_unicode_funcs_t *ufuncs HB_UNUSED,
179 hb_codepoint_t unicode,
180 void *user_data HB_UNUSED)
181{
182 return (hb_unicode_combining_class_t) ucdn_get_combining_class(unicode);
183}
184
185static unsigned int
186hb_ucdn_eastasian_width(hb_unicode_funcs_t *ufuncs HB_UNUSED,
187 hb_codepoint_t unicode,
188 void *user_data HB_UNUSED)
189{
190 int w = ucdn_get_east_asian_width(unicode);
191 return (w == UCDN_EAST_ASIAN_F || w == UCDN_EAST_ASIAN_W) ? 2 : 1;
192}
193
194static hb_unicode_general_category_t
195hb_ucdn_general_category(hb_unicode_funcs_t *ufuncs HB_UNUSED,
196 hb_codepoint_t unicode,
197 void *user_data HB_UNUSED)
198{
199 return (hb_unicode_general_category_t)ucdn_get_general_category(unicode);
200}
201
202static hb_codepoint_t
203hb_ucdn_mirroring(hb_unicode_funcs_t *ufuncs HB_UNUSED,
204 hb_codepoint_t unicode,
205 void *user_data HB_UNUSED)
206{
207 return ucdn_mirror(unicode);
208}
209
210static hb_script_t
211hb_ucdn_script(hb_unicode_funcs_t *ufuncs HB_UNUSED,
212 hb_codepoint_t unicode,
213 void *user_data HB_UNUSED)
214{
215 return ucdn_script_translate[ucdn_get_script(unicode)];
216}
217
218static hb_bool_t
219hb_ucdn_compose(hb_unicode_funcs_t *ufuncs HB_UNUSED,
220 hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab,
221 void *user_data HB_UNUSED)
222{
223 return ucdn_compose(ab, a, b);
224}
225
226static hb_bool_t
227hb_ucdn_decompose(hb_unicode_funcs_t *ufuncs HB_UNUSED,
228 hb_codepoint_t ab, hb_codepoint_t *a, hb_codepoint_t *b,
229 void *user_data HB_UNUSED)
230{
231 return ucdn_decompose(ab, a, b);
232}
233
234static unsigned int
235hb_ucdn_decompose_compatibility(hb_unicode_funcs_t *ufuncs HB_UNUSED,
236 hb_codepoint_t u, hb_codepoint_t *decomposed,
237 void *user_data HB_UNUSED)
238{
239 return ucdn_compat_decompose(u, decomposed);
240}
241
242
243static void free_static_ucdn_funcs (void);
244
245static struct hb_ucdn_unicode_funcs_lazy_loader_t : hb_unicode_funcs_lazy_loader_t<hb_ucdn_unicode_funcs_lazy_loader_t>
246{
247 static inline hb_unicode_funcs_t *create (void)
248 {
249 hb_unicode_funcs_t *funcs = hb_unicode_funcs_create (nullptr);
250
251#define HB_UNICODE_FUNC_IMPLEMENT(name) \
252 hb_unicode_funcs_set_##name##_func (funcs, hb_ucdn_##name, nullptr, nullptr);
253 HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
254#undef HB_UNICODE_FUNC_IMPLEMENT
255
256 hb_unicode_funcs_make_immutable (funcs);
257
258#ifdef HB_USE_ATEXIT
259 atexit (free_static_ucdn_funcs);
260#endif
261
262 return funcs;
263 }
264} static_ucdn_funcs;
265
266#ifdef HB_USE_ATEXIT
267static
268void free_static_ucdn_funcs (void)
269{
270 static_ucdn_funcs.free_instance ();
271}
272#endif
273
274extern "C" HB_INTERNAL
275hb_unicode_funcs_t *
276hb_ucdn_get_unicode_funcs (void)
277{
278 return static_ucdn_funcs.get_unconst ();
279}
280