| /* |
| * Copyright (C) 2012 Grigori Goronzy <greg@kinoho.net> |
| * |
| * 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, |
| }; |
| |
| 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_unicode_funcs_t *static_ucdn_funcs = nullptr; |
| |
| #ifdef HB_USE_ATEXIT |
| static |
| void free_static_ucdn_funcs (void) |
| { |
| hb_unicode_funcs_destroy (static_ucdn_funcs); |
| } |
| #endif |
| |
| extern "C" HB_INTERNAL |
| hb_unicode_funcs_t * |
| hb_ucdn_get_unicode_funcs (void) |
| { |
| retry: |
| hb_unicode_funcs_t *funcs = (hb_unicode_funcs_t *) hb_atomic_ptr_get (&static_ucdn_funcs); |
| |
| 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 (!hb_atomic_ptr_cmpexch (&static_ucdn_funcs, 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); |
| } |