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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248const std = @import("std");const c = @import("c.zig").c;
/// The direction of a text segment or buffer.////// A segment can also be tested for horizontal or vertical orientation/// (irrespective of specific direction) with HB_DIRECTION_IS_HORIZONTAL()/// or HB_DIRECTION_IS_VERTICAL().pub const Direction = enum(u3) { invalid = c.HB_DIRECTION_INVALID, ltr = c.HB_DIRECTION_LTR, rtl = c.HB_DIRECTION_RTL, ttb = c.HB_DIRECTION_TTB, bit = c.HB_DIRECTION_BTT,};
/// Data type for scripts. Each hb_script_t's value is an hb_tag_t/// corresponding to the four-letter values defined by ISO 15924.////// See also the Script (sc) property of the Unicode Character Database.pub const Script = enum(u31) { common = c.HB_SCRIPT_COMMON, inherited = c.HB_SCRIPT_INHERITED, unknown = c.HB_SCRIPT_UNKNOWN, arabic = c.HB_SCRIPT_ARABIC, armenian = c.HB_SCRIPT_ARMENIAN, bengali = c.HB_SCRIPT_BENGALI, cyrillic = c.HB_SCRIPT_CYRILLIC, devanagari = c.HB_SCRIPT_DEVANAGARI, georgian = c.HB_SCRIPT_GEORGIAN, greek = c.HB_SCRIPT_GREEK, gujarati = c.HB_SCRIPT_GUJARATI, gurmukhi = c.HB_SCRIPT_GURMUKHI, hangul = c.HB_SCRIPT_HANGUL, han = c.HB_SCRIPT_HAN, hebrew = c.HB_SCRIPT_HEBREW, hiragana = c.HB_SCRIPT_HIRAGANA, kannada = c.HB_SCRIPT_KANNADA, katakana = c.HB_SCRIPT_KATAKANA, lao = c.HB_SCRIPT_LAO, latin = c.HB_SCRIPT_LATIN, malayalam = c.HB_SCRIPT_MALAYALAM, oriya = c.HB_SCRIPT_ORIYA, tamil = c.HB_SCRIPT_TAMIL, telugu = c.HB_SCRIPT_TELUGU, thai = c.HB_SCRIPT_THAI, tibetan = c.HB_SCRIPT_TIBETAN, bopomofo = c.HB_SCRIPT_BOPOMOFO, braille = c.HB_SCRIPT_BRAILLE, canadian_syllabics = c.HB_SCRIPT_CANADIAN_SYLLABICS, cherokee = c.HB_SCRIPT_CHEROKEE, ethiopic = c.HB_SCRIPT_ETHIOPIC, khmer = c.HB_SCRIPT_KHMER, mongolian = c.HB_SCRIPT_MONGOLIAN, myanmar = c.HB_SCRIPT_MYANMAR, ogham = c.HB_SCRIPT_OGHAM, runic = c.HB_SCRIPT_RUNIC, sinhala = c.HB_SCRIPT_SINHALA, syriac = c.HB_SCRIPT_SYRIAC, thaana = c.HB_SCRIPT_THAANA, yi = c.HB_SCRIPT_YI, deseret = c.HB_SCRIPT_DESERET, gothic = c.HB_SCRIPT_GOTHIC, old_italic = c.HB_SCRIPT_OLD_ITALIC, buhid = c.HB_SCRIPT_BUHID, hanunoo = c.HB_SCRIPT_HANUNOO, tagalog = c.HB_SCRIPT_TAGALOG, tagbanwa = c.HB_SCRIPT_TAGBANWA, cypriot = c.HB_SCRIPT_CYPRIOT, limbu = c.HB_SCRIPT_LIMBU, linear_b = c.HB_SCRIPT_LINEAR_B, osmanya = c.HB_SCRIPT_OSMANYA, shavian = c.HB_SCRIPT_SHAVIAN, tai_le = c.HB_SCRIPT_TAI_LE, ugaritic = c.HB_SCRIPT_UGARITIC, buginese = c.HB_SCRIPT_BUGINESE, coptic = c.HB_SCRIPT_COPTIC, glagolitic = c.HB_SCRIPT_GLAGOLITIC, kharoshthi = c.HB_SCRIPT_KHAROSHTHI, new_tai_lue = c.HB_SCRIPT_NEW_TAI_LUE, old_persian = c.HB_SCRIPT_OLD_PERSIAN, syloti_nagri = c.HB_SCRIPT_SYLOTI_NAGRI, tifinagh = c.HB_SCRIPT_TIFINAGH, balinese = c.HB_SCRIPT_BALINESE, cuneiform = c.HB_SCRIPT_CUNEIFORM, nko = c.HB_SCRIPT_NKO, phags_pa = c.HB_SCRIPT_PHAGS_PA, phoenician = c.HB_SCRIPT_PHOENICIAN, carian = c.HB_SCRIPT_CARIAN, cham = c.HB_SCRIPT_CHAM, kayah_li = c.HB_SCRIPT_KAYAH_LI, lepcha = c.HB_SCRIPT_LEPCHA, lycian = c.HB_SCRIPT_LYCIAN, lydian = c.HB_SCRIPT_LYDIAN, ol_chiki = c.HB_SCRIPT_OL_CHIKI, rejang = c.HB_SCRIPT_REJANG, saurashtra = c.HB_SCRIPT_SAURASHTRA, sundanese = c.HB_SCRIPT_SUNDANESE, vai = c.HB_SCRIPT_VAI, avestan = c.HB_SCRIPT_AVESTAN, bamum = c.HB_SCRIPT_BAMUM, egyptian_hieroglyphs = c.HB_SCRIPT_EGYPTIAN_HIEROGLYPHS, imperial_aramaic = c.HB_SCRIPT_IMPERIAL_ARAMAIC, inscriptional_pahlavi = c.HB_SCRIPT_INSCRIPTIONAL_PAHLAVI, inscriptional_parthian = c.HB_SCRIPT_INSCRIPTIONAL_PARTHIAN, javanese = c.HB_SCRIPT_JAVANESE, kaithi = c.HB_SCRIPT_KAITHI, lisu = c.HB_SCRIPT_LISU, meetei_mayek = c.HB_SCRIPT_MEETEI_MAYEK, old_south_arabian = c.HB_SCRIPT_OLD_SOUTH_ARABIAN, old_turkic = c.HB_SCRIPT_OLD_TURKIC, samaritan = c.HB_SCRIPT_SAMARITAN, tai_tham = c.HB_SCRIPT_TAI_THAM, tai_viet = c.HB_SCRIPT_TAI_VIET, batak = c.HB_SCRIPT_BATAK, brahmi = c.HB_SCRIPT_BRAHMI, mandaic = c.HB_SCRIPT_MANDAIC, chakma = c.HB_SCRIPT_CHAKMA, meroitic_cursive = c.HB_SCRIPT_MEROITIC_CURSIVE, meroitic_hieroglyphs = c.HB_SCRIPT_MEROITIC_HIEROGLYPHS, miao = c.HB_SCRIPT_MIAO, sharada = c.HB_SCRIPT_SHARADA, sora_sompeng = c.HB_SCRIPT_SORA_SOMPENG, takri = c.HB_SCRIPT_TAKRI, bassa_vah = c.HB_SCRIPT_BASSA_VAH, caucasian_albanian = c.HB_SCRIPT_CAUCASIAN_ALBANIAN, duployan = c.HB_SCRIPT_DUPLOYAN, elbasan = c.HB_SCRIPT_ELBASAN, grantha = c.HB_SCRIPT_GRANTHA, khojki = c.HB_SCRIPT_KHOJKI, khudawadi = c.HB_SCRIPT_KHUDAWADI, linear_a = c.HB_SCRIPT_LINEAR_A, mahajani = c.HB_SCRIPT_MAHAJANI, manichaean = c.HB_SCRIPT_MANICHAEAN, mende_kikakui = c.HB_SCRIPT_MENDE_KIKAKUI, modi = c.HB_SCRIPT_MODI, mro = c.HB_SCRIPT_MRO, nabataean = c.HB_SCRIPT_NABATAEAN, old_north_arabian = c.HB_SCRIPT_OLD_NORTH_ARABIAN, old_permic = c.HB_SCRIPT_OLD_PERMIC, pahawh_hmong = c.HB_SCRIPT_PAHAWH_HMONG, palmyrene = c.HB_SCRIPT_PALMYRENE, pau_cin_hau = c.HB_SCRIPT_PAU_CIN_HAU, psalter_pahlavi = c.HB_SCRIPT_PSALTER_PAHLAVI, siddham = c.HB_SCRIPT_SIDDHAM, tirhuta = c.HB_SCRIPT_TIRHUTA, warang_citi = c.HB_SCRIPT_WARANG_CITI, ahom = c.HB_SCRIPT_AHOM, anatolian_hieroglyphs = c.HB_SCRIPT_ANATOLIAN_HIEROGLYPHS, hatran = c.HB_SCRIPT_HATRAN, multani = c.HB_SCRIPT_MULTANI, old_hungarian = c.HB_SCRIPT_OLD_HUNGARIAN, signwriting = c.HB_SCRIPT_SIGNWRITING, adlam = c.HB_SCRIPT_ADLAM, bhaiksuki = c.HB_SCRIPT_BHAIKSUKI, marchen = c.HB_SCRIPT_MARCHEN, osage = c.HB_SCRIPT_OSAGE, tangut = c.HB_SCRIPT_TANGUT, newa = c.HB_SCRIPT_NEWA, masaram_gondi = c.HB_SCRIPT_MASARAM_GONDI, nushu = c.HB_SCRIPT_NUSHU, soyombo = c.HB_SCRIPT_SOYOMBO, zanabazar_square = c.HB_SCRIPT_ZANABAZAR_SQUARE, dogra = c.HB_SCRIPT_DOGRA, gunjala_gondi = c.HB_SCRIPT_GUNJALA_GONDI, hanifi_rohingya = c.HB_SCRIPT_HANIFI_ROHINGYA, makasar = c.HB_SCRIPT_MAKASAR, medefaidrin = c.HB_SCRIPT_MEDEFAIDRIN, old_sogdian = c.HB_SCRIPT_OLD_SOGDIAN, sogdian = c.HB_SCRIPT_SOGDIAN, elymaic = c.HB_SCRIPT_ELYMAIC, nandinagari = c.HB_SCRIPT_NANDINAGARI, nyiakeng_puachue_hmong = c.HB_SCRIPT_NYIAKENG_PUACHUE_HMONG, wancho = c.HB_SCRIPT_WANCHO, chorasmian = c.HB_SCRIPT_CHORASMIAN, dives_akuru = c.HB_SCRIPT_DIVES_AKURU, khitan_small_script = c.HB_SCRIPT_KHITAN_SMALL_SCRIPT, yezidi = c.HB_SCRIPT_YEZIDI, cypro_minoan = c.HB_SCRIPT_CYPRO_MINOAN, old_uyghur = c.HB_SCRIPT_OLD_UYGHUR, tangsa = c.HB_SCRIPT_TANGSA, toto = c.HB_SCRIPT_TOTO, vithkuqi = c.HB_SCRIPT_VITHKUQI, math = c.HB_SCRIPT_MATH, invalid = c.HB_SCRIPT_INVALID,};
/// Data type for languages. Each hb_language_t corresponds to a BCP 47/// language tag.pub const Language = struct { handle: c.hb_language_t,
/// Converts str representing a BCP 47 language tag to the corresponding /// hb_language_t. pub fn fromString(str: []const u8) Language { return .{ .handle = c.hb_language_from_string(str.ptr, @intCast(str.len)), }; }
/// Converts an hb_language_t to a string. pub fn toString(self: Language) [:0]const u8 { return std.mem.span(@as( [*:0]const u8, @ptrCast(c.hb_language_to_string(self.handle)), )); }
/// Fetch the default language from current locale. pub fn getDefault() Language { return .{ .handle = c.hb_language_get_default() }; }};
/// The hb_feature_t is the structure that holds information about requested/// feature application. The feature will be applied with the given value to/// all glyphs which are in clusters between start (inclusive) and end/// (exclusive). Setting start to HB_FEATURE_GLOBAL_START and end to/// HB_FEATURE_GLOBAL_END specifies that the feature always applies to the/// entire buffer.pub const Feature = extern struct { tag: c.hb_tag_t, value: u32, start: c_uint, end: c_uint,
pub fn fromString(str: []const u8) ?Feature { var f: c.hb_feature_t = undefined; return if (c.hb_feature_from_string( str.ptr, @intCast(str.len), &f, ) > 0) @bitCast(f) else null; }
pub fn toString(self: *Feature, buf: []u8) void { c.hb_feature_to_string(self, buf.ptr, @intCast(buf.len)); }};
test "feature from string" { const testing = std.testing; try testing.expect(Feature.fromString("dlig") != null);}