michael@0: /*
michael@0:  * Copyright (C) 2012 Grigori Goronzy <greg@kinoho.net>
michael@0:  *
michael@0:  * Permission to use, copy, modify, and/or distribute this software for any
michael@0:  * purpose with or without fee is hereby granted, provided that the above
michael@0:  * copyright notice and this permission notice appear in all copies.
michael@0:  *
michael@0:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
michael@0:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
michael@0:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
michael@0:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
michael@0:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
michael@0:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
michael@0:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
michael@0:  */
michael@0: 
michael@0: #include "hb-private.hh"
michael@0: 
michael@0: #include "hb-unicode-private.hh"
michael@0: 
michael@0: #include "ucdn.h"
michael@0: 
michael@0: static const hb_script_t ucdn_script_translate[] =
michael@0: {
michael@0:     HB_SCRIPT_COMMON,
michael@0:     HB_SCRIPT_LATIN,
michael@0:     HB_SCRIPT_GREEK,
michael@0:     HB_SCRIPT_CYRILLIC,
michael@0:     HB_SCRIPT_ARMENIAN,
michael@0:     HB_SCRIPT_HEBREW,
michael@0:     HB_SCRIPT_ARABIC,
michael@0:     HB_SCRIPT_SYRIAC,
michael@0:     HB_SCRIPT_THAANA,
michael@0:     HB_SCRIPT_DEVANAGARI,
michael@0:     HB_SCRIPT_BENGALI,
michael@0:     HB_SCRIPT_GURMUKHI,
michael@0:     HB_SCRIPT_GUJARATI,
michael@0:     HB_SCRIPT_ORIYA,
michael@0:     HB_SCRIPT_TAMIL,
michael@0:     HB_SCRIPT_TELUGU,
michael@0:     HB_SCRIPT_KANNADA,
michael@0:     HB_SCRIPT_MALAYALAM,
michael@0:     HB_SCRIPT_SINHALA,
michael@0:     HB_SCRIPT_THAI,
michael@0:     HB_SCRIPT_LAO,
michael@0:     HB_SCRIPT_TIBETAN,
michael@0:     HB_SCRIPT_MYANMAR,
michael@0:     HB_SCRIPT_GEORGIAN,
michael@0:     HB_SCRIPT_HANGUL,
michael@0:     HB_SCRIPT_ETHIOPIC,
michael@0:     HB_SCRIPT_CHEROKEE,
michael@0:     HB_SCRIPT_CANADIAN_SYLLABICS,
michael@0:     HB_SCRIPT_OGHAM,
michael@0:     HB_SCRIPT_RUNIC,
michael@0:     HB_SCRIPT_KHMER,
michael@0:     HB_SCRIPT_MONGOLIAN,
michael@0:     HB_SCRIPT_HIRAGANA,
michael@0:     HB_SCRIPT_KATAKANA,
michael@0:     HB_SCRIPT_BOPOMOFO,
michael@0:     HB_SCRIPT_HAN,
michael@0:     HB_SCRIPT_YI,
michael@0:     HB_SCRIPT_OLD_ITALIC,
michael@0:     HB_SCRIPT_GOTHIC,
michael@0:     HB_SCRIPT_DESERET,
michael@0:     HB_SCRIPT_INHERITED,
michael@0:     HB_SCRIPT_TAGALOG,
michael@0:     HB_SCRIPT_HANUNOO,
michael@0:     HB_SCRIPT_BUHID,
michael@0:     HB_SCRIPT_TAGBANWA,
michael@0:     HB_SCRIPT_LIMBU,
michael@0:     HB_SCRIPT_TAI_LE,
michael@0:     HB_SCRIPT_LINEAR_B,
michael@0:     HB_SCRIPT_UGARITIC,
michael@0:     HB_SCRIPT_SHAVIAN,
michael@0:     HB_SCRIPT_OSMANYA,
michael@0:     HB_SCRIPT_CYPRIOT,
michael@0:     HB_SCRIPT_BRAILLE,
michael@0:     HB_SCRIPT_BUGINESE,
michael@0:     HB_SCRIPT_COPTIC,
michael@0:     HB_SCRIPT_NEW_TAI_LUE,
michael@0:     HB_SCRIPT_GLAGOLITIC,
michael@0:     HB_SCRIPT_TIFINAGH,
michael@0:     HB_SCRIPT_SYLOTI_NAGRI,
michael@0:     HB_SCRIPT_OLD_PERSIAN,
michael@0:     HB_SCRIPT_KHAROSHTHI,
michael@0:     HB_SCRIPT_BALINESE,
michael@0:     HB_SCRIPT_CUNEIFORM,
michael@0:     HB_SCRIPT_PHOENICIAN,
michael@0:     HB_SCRIPT_PHAGS_PA,
michael@0:     HB_SCRIPT_NKO,
michael@0:     HB_SCRIPT_SUNDANESE,
michael@0:     HB_SCRIPT_LEPCHA,
michael@0:     HB_SCRIPT_OL_CHIKI,
michael@0:     HB_SCRIPT_VAI,
michael@0:     HB_SCRIPT_SAURASHTRA,
michael@0:     HB_SCRIPT_KAYAH_LI,
michael@0:     HB_SCRIPT_REJANG,
michael@0:     HB_SCRIPT_LYCIAN,
michael@0:     HB_SCRIPT_CARIAN,
michael@0:     HB_SCRIPT_LYDIAN,
michael@0:     HB_SCRIPT_CHAM,
michael@0:     HB_SCRIPT_TAI_THAM,
michael@0:     HB_SCRIPT_TAI_VIET,
michael@0:     HB_SCRIPT_AVESTAN,
michael@0:     HB_SCRIPT_EGYPTIAN_HIEROGLYPHS,
michael@0:     HB_SCRIPT_SAMARITAN,
michael@0:     HB_SCRIPT_LISU,
michael@0:     HB_SCRIPT_BAMUM,
michael@0:     HB_SCRIPT_JAVANESE,
michael@0:     HB_SCRIPT_MEETEI_MAYEK,
michael@0:     HB_SCRIPT_IMPERIAL_ARAMAIC,
michael@0:     HB_SCRIPT_OLD_SOUTH_ARABIAN,
michael@0:     HB_SCRIPT_INSCRIPTIONAL_PARTHIAN,
michael@0:     HB_SCRIPT_INSCRIPTIONAL_PAHLAVI,
michael@0:     HB_SCRIPT_OLD_TURKIC,
michael@0:     HB_SCRIPT_KAITHI,
michael@0:     HB_SCRIPT_BATAK,
michael@0:     HB_SCRIPT_BRAHMI,
michael@0:     HB_SCRIPT_MANDAIC,
michael@0:     HB_SCRIPT_CHAKMA,
michael@0:     HB_SCRIPT_MEROITIC_CURSIVE,
michael@0:     HB_SCRIPT_MEROITIC_HIEROGLYPHS,
michael@0:     HB_SCRIPT_MIAO,
michael@0:     HB_SCRIPT_SHARADA,
michael@0:     HB_SCRIPT_SORA_SOMPENG,
michael@0:     HB_SCRIPT_TAKRI,
michael@0:     HB_SCRIPT_UNKNOWN,
michael@0: };
michael@0: 
michael@0: static hb_unicode_combining_class_t
michael@0: hb_ucdn_combining_class(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
michael@0: 			void *user_data HB_UNUSED)
michael@0: {
michael@0:     return (hb_unicode_combining_class_t) ucdn_get_combining_class(unicode);
michael@0: }
michael@0: 
michael@0: static unsigned int
michael@0: hb_ucdn_eastasian_width(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
michael@0: 			void *user_data HB_UNUSED)
michael@0: {
michael@0:     int w = ucdn_get_east_asian_width(unicode);
michael@0:     return (w == UCDN_EAST_ASIAN_F || w == UCDN_EAST_ASIAN_W) ? 2 : 1;
michael@0: }
michael@0: 
michael@0: static hb_unicode_general_category_t
michael@0: hb_ucdn_general_category(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
michael@0: 			 void *user_data HB_UNUSED)
michael@0: {
michael@0:     return (hb_unicode_general_category_t)ucdn_get_general_category(unicode);
michael@0: }
michael@0: 
michael@0: static hb_codepoint_t
michael@0: hb_ucdn_mirroring(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
michael@0: 		  void *user_data HB_UNUSED)
michael@0: {
michael@0:     return ucdn_mirror(unicode);
michael@0: }
michael@0: 
michael@0: static hb_script_t
michael@0: hb_ucdn_script(hb_unicode_funcs_t *ufuncs, hb_codepoint_t unicode,
michael@0: 	       void *user_data HB_UNUSED)
michael@0: {
michael@0:     return ucdn_script_translate[ucdn_get_script(unicode)];
michael@0: }
michael@0: 
michael@0: static hb_bool_t
michael@0: hb_ucdn_compose(hb_unicode_funcs_t *ufuncs,
michael@0: 		hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab,
michael@0: 		void *user_data HB_UNUSED)
michael@0: {
michael@0:     return ucdn_compose(ab, a, b);
michael@0: }
michael@0: 
michael@0: static hb_bool_t
michael@0: hb_ucdn_decompose(hb_unicode_funcs_t *ufuncs,
michael@0: 		  hb_codepoint_t ab, hb_codepoint_t *a, hb_codepoint_t *b,
michael@0: 		  void *user_data HB_UNUSED)
michael@0: {
michael@0:     return ucdn_decompose(ab, a, b);
michael@0: }
michael@0: 
michael@0: static unsigned int
michael@0: hb_ucdn_decompose_compatibility(hb_unicode_funcs_t *ufuncs,
michael@0: 				hb_codepoint_t u, hb_codepoint_t *decomposed,
michael@0: 				void *user_data HB_UNUSED)
michael@0: {
michael@0:     return ucdn_compat_decompose(u, decomposed);
michael@0: }
michael@0: 
michael@0: extern "C" HB_INTERNAL
michael@0: hb_unicode_funcs_t *
michael@0: hb_ucdn_get_unicode_funcs (void)
michael@0: {
michael@0:   static const hb_unicode_funcs_t _hb_ucdn_unicode_funcs = {
michael@0:     HB_OBJECT_HEADER_STATIC,
michael@0: 
michael@0:     NULL, /* parent */
michael@0:     true, /* immutable */
michael@0:     {
michael@0: #define HB_UNICODE_FUNC_IMPLEMENT(name) hb_ucdn_##name,
michael@0:       HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
michael@0: #undef HB_UNICODE_FUNC_IMPLEMENT
michael@0:     }
michael@0:   };
michael@0: 
michael@0:   return const_cast<hb_unicode_funcs_t *> (&_hb_ucdn_unicode_funcs);
michael@0: }
michael@0: