/* * Copyright (C) 2012 Grigori Goronzy * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "hb-private.hh" #include "hb-unicode-private.hh" #include "ucdn.h" static const hb_script_t ucdn_script_translate[] = { HB_SCRIPT_COMMON, HB_SCRIPT_LATIN, HB_SCRIPT_GREEK, HB_SCRIPT_CYRILLIC, HB_SCRIPT_ARMENIAN, HB_SCRIPT_HEBREW, HB_SCRIPT_ARABIC, HB_SCRIPT_SYRIAC, HB_SCRIPT_THAANA, HB_SCRIPT_DEVANAGARI, HB_SCRIPT_BENGALI, HB_SCRIPT_GURMUKHI, HB_SCRIPT_GUJARATI, HB_SCRIPT_ORIYA, HB_SCRIPT_TAMIL, HB_SCRIPT_TELUGU, HB_SCRIPT_KANNADA, HB_SCRIPT_MALAYALAM, HB_SCRIPT_SINHALA, HB_SCRIPT_THAI, HB_SCRIPT_LAO, HB_SCRIPT_TIBETAN, HB_SCRIPT_MYANMAR, HB_SCRIPT_GEORGIAN, HB_SCRIPT_HANGUL, HB_SCRIPT_ETHIOPIC, HB_SCRIPT_CHEROKEE, HB_SCRIPT_CANADIAN_SYLLABICS, HB_SCRIPT_OGHAM, HB_SCRIPT_RUNIC, HB_SCRIPT_KHMER, HB_SCRIPT_MONGOLIAN, HB_SCRIPT_HIRAGANA, HB_SCRIPT_KATAKANA, HB_SCRIPT_BOPOMOFO, HB_SCRIPT_HAN, HB_SCRIPT_YI, HB_SCRIPT_OLD_ITALIC, HB_SCRIPT_GOTHIC, HB_SCRIPT_DESERET, HB_SCRIPT_INHERITED, HB_SCRIPT_TAGALOG, HB_SCRIPT_HANUNOO, HB_SCRIPT_BUHID, HB_SCRIPT_TAGBANWA, HB_SCRIPT_LIMBU, HB_SCRIPT_TAI_LE, HB_SCRIPT_LINEAR_B, HB_SCRIPT_UGARITIC, HB_SCRIPT_SHAVIAN, HB_SCRIPT_OSMANYA, HB_SCRIPT_CYPRIOT, HB_SCRIPT_BRAILLE, HB_SCRIPT_BUGINESE, HB_SCRIPT_COPTIC, HB_SCRIPT_NEW_TAI_LUE, HB_SCRIPT_GLAGOLITIC, HB_SCRIPT_TIFINAGH, HB_SCRIPT_SYLOTI_NAGRI, HB_SCRIPT_OLD_PERSIAN, HB_SCRIPT_KHAROSHTHI, HB_SCRIPT_BALINESE, HB_SCRIPT_CUNEIFORM, HB_SCRIPT_PHOENICIAN, HB_SCRIPT_PHAGS_PA, HB_SCRIPT_NKO, HB_SCRIPT_SUNDANESE, HB_SCRIPT_LEPCHA, HB_SCRIPT_OL_CHIKI, HB_SCRIPT_VAI, HB_SCRIPT_SAURASHTRA, HB_SCRIPT_KAYAH_LI, HB_SCRIPT_REJANG, HB_SCRIPT_LYCIAN, HB_SCRIPT_CARIAN, HB_SCRIPT_LYDIAN, HB_SCRIPT_CHAM, HB_SCRIPT_TAI_THAM, HB_SCRIPT_TAI_VIET, HB_SCRIPT_AVESTAN, HB_SCRIPT_EGYPTIAN_HIEROGLYPHS, HB_SCRIPT_SAMARITAN, HB_SCRIPT_LISU, HB_SCRIPT_BAMUM, HB_SCRIPT_JAVANESE, HB_SCRIPT_MEETEI_MAYEK, HB_SCRIPT_IMPERIAL_ARAMAIC, HB_SCRIPT_OLD_SOUTH_ARABIAN, HB_SCRIPT_INSCRIPTIONAL_PARTHIAN, HB_SCRIPT_INSCRIPTIONAL_PAHLAVI, HB_SCRIPT_OLD_TURKIC, HB_SCRIPT_KAITHI, HB_SCRIPT_BATAK, HB_SCRIPT_BRAHMI, HB_SCRIPT_MANDAIC, HB_SCRIPT_CHAKMA, HB_SCRIPT_MEROITIC_CURSIVE, HB_SCRIPT_MEROITIC_HIEROGLYPHS, HB_SCRIPT_MIAO, HB_SCRIPT_SHARADA, HB_SCRIPT_SORA_SOMPENG, HB_SCRIPT_TAKRI, HB_SCRIPT_UNKNOWN, HB_SCRIPT_BASSA_VAH, HB_SCRIPT_CAUCASIAN_ALBANIAN, HB_SCRIPT_DUPLOYAN, HB_SCRIPT_ELBASAN, HB_SCRIPT_GRANTHA, HB_SCRIPT_KHOJKI, HB_SCRIPT_KHUDAWADI, HB_SCRIPT_LINEAR_A, HB_SCRIPT_MAHAJANI, HB_SCRIPT_MANICHAEAN, HB_SCRIPT_MENDE_KIKAKUI, HB_SCRIPT_MODI, HB_SCRIPT_MRO, HB_SCRIPT_NABATAEAN, HB_SCRIPT_OLD_NORTH_ARABIAN, HB_SCRIPT_OLD_PERMIC, HB_SCRIPT_PAHAWH_HMONG, HB_SCRIPT_PALMYRENE, HB_SCRIPT_PAU_CIN_HAU, HB_SCRIPT_PSALTER_PAHLAVI, HB_SCRIPT_SIDDHAM, HB_SCRIPT_TIRHUTA, HB_SCRIPT_WARANG_CITI, HB_SCRIPT_AHOM, HB_SCRIPT_ANATOLIAN_HIEROGLYPHS, HB_SCRIPT_HATRAN, HB_SCRIPT_MULTANI, HB_SCRIPT_OLD_HUNGARIAN, HB_SCRIPT_SIGNWRITING, HB_SCRIPT_ADLAM, HB_SCRIPT_BHAIKSUKI, HB_SCRIPT_MARCHEN, HB_SCRIPT_NEWA, HB_SCRIPT_OSAGE, HB_SCRIPT_TANGUT, HB_SCRIPT_MASARAM_GONDI, HB_SCRIPT_NUSHU, HB_SCRIPT_SOYOMBO, HB_SCRIPT_ZANABAZAR_SQUARE, HB_SCRIPT_DOGRA, HB_SCRIPT_GUNJALA_GONDI, HB_SCRIPT_HANIFI_ROHINGYA, HB_SCRIPT_MAKASAR, HB_SCRIPT_MEDEFAIDRIN, HB_SCRIPT_OLD_SOGDIAN, HB_SCRIPT_SOGDIAN, }; static hb_unicode_combining_class_t hb_ucdn_combining_class(hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t unicode, void *user_data HB_UNUSED) { return (hb_unicode_combining_class_t) ucdn_get_combining_class(unicode); } static unsigned int hb_ucdn_eastasian_width(hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t unicode, void *user_data HB_UNUSED) { int w = ucdn_get_east_asian_width(unicode); return (w == UCDN_EAST_ASIAN_F || w == UCDN_EAST_ASIAN_W) ? 2 : 1; } static hb_unicode_general_category_t hb_ucdn_general_category(hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t unicode, void *user_data HB_UNUSED) { return (hb_unicode_general_category_t)ucdn_get_general_category(unicode); } static hb_codepoint_t hb_ucdn_mirroring(hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t unicode, void *user_data HB_UNUSED) { return ucdn_mirror(unicode); } static hb_script_t hb_ucdn_script(hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t unicode, void *user_data HB_UNUSED) { return ucdn_script_translate[ucdn_get_script(unicode)]; } static hb_bool_t hb_ucdn_compose(hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t a, hb_codepoint_t b, hb_codepoint_t *ab, void *user_data HB_UNUSED) { return ucdn_compose(ab, a, b); } static hb_bool_t hb_ucdn_decompose(hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t ab, hb_codepoint_t *a, hb_codepoint_t *b, void *user_data HB_UNUSED) { return ucdn_decompose(ab, a, b); } static unsigned int hb_ucdn_decompose_compatibility(hb_unicode_funcs_t *ufuncs HB_UNUSED, hb_codepoint_t u, hb_codepoint_t *decomposed, void *user_data HB_UNUSED) { return ucdn_compat_decompose(u, decomposed); } static hb_atomic_ptr_t static_ucdn_funcs; #ifdef HB_USE_ATEXIT static void free_static_ucdn_funcs (void) { retry: hb_unicode_funcs_t *ucdn_funcs = static_ucdn_funcs.get (); if (unlikely (!static_ucdn_funcs.cmpexch (ucdn_funcs, nullptr))) goto retry; hb_unicode_funcs_destroy (ucdn_funcs); } #endif extern "C" HB_INTERNAL hb_unicode_funcs_t * hb_ucdn_get_unicode_funcs (void) { retry: hb_unicode_funcs_t *funcs = static_ucdn_funcs.get (); if (unlikely (!funcs)) { funcs = hb_unicode_funcs_create (nullptr); #define HB_UNICODE_FUNC_IMPLEMENT(name) \ hb_unicode_funcs_set_##name##_func (funcs, hb_ucdn_##name, nullptr, nullptr); HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS #undef HB_UNICODE_FUNC_IMPLEMENT hb_unicode_funcs_make_immutable (funcs); if (unlikely (!static_ucdn_funcs.cmpexch (nullptr, funcs))) { hb_unicode_funcs_destroy (funcs); goto retry; } #ifdef HB_USE_ATEXIT atexit (free_static_ucdn_funcs); /* First person registers atexit() callback. */ #endif }; return hb_unicode_funcs_reference (funcs); }