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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-unicode-private.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-unicode-private.hh | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-unicode-private.hh b/Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-unicode-private.hh deleted file mode 100644 index dd4d00138e1..00000000000 --- a/Build/source/libs/harfbuzz/harfbuzz-0.9.25/src/hb-unicode-private.hh +++ /dev/null @@ -1,317 +0,0 @@ -/* - * Copyright © 2009 Red Hat, Inc. - * Copyright © 2011 Codethink Limited - * Copyright © 2010,2011,2012 Google, Inc. - * - * This is part of HarfBuzz, a text shaping library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - * - * Red Hat Author(s): Behdad Esfahbod - * Codethink Author(s): Ryan Lortie - * Google Author(s): Behdad Esfahbod - */ - -#ifndef HB_UNICODE_PRIVATE_HH -#define HB_UNICODE_PRIVATE_HH - -#include "hb-private.hh" - -#include "hb-unicode.h" -#include "hb-object-private.hh" - - -extern HB_INTERNAL const uint8_t _hb_modified_combining_class[256]; - -/* - * hb_unicode_funcs_t - */ - -#define HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS \ - HB_UNICODE_FUNC_IMPLEMENT (combining_class) \ - HB_UNICODE_FUNC_IMPLEMENT (eastasian_width) \ - HB_UNICODE_FUNC_IMPLEMENT (general_category) \ - HB_UNICODE_FUNC_IMPLEMENT (mirroring) \ - HB_UNICODE_FUNC_IMPLEMENT (script) \ - HB_UNICODE_FUNC_IMPLEMENT (compose) \ - HB_UNICODE_FUNC_IMPLEMENT (decompose) \ - HB_UNICODE_FUNC_IMPLEMENT (decompose_compatibility) \ - /* ^--- Add new callbacks here */ - -/* Simple callbacks are those taking a hb_codepoint_t and returning a hb_codepoint_t */ -#define HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE \ - HB_UNICODE_FUNC_IMPLEMENT (hb_unicode_combining_class_t, combining_class) \ - HB_UNICODE_FUNC_IMPLEMENT (unsigned int, eastasian_width) \ - HB_UNICODE_FUNC_IMPLEMENT (hb_unicode_general_category_t, general_category) \ - HB_UNICODE_FUNC_IMPLEMENT (hb_codepoint_t, mirroring) \ - HB_UNICODE_FUNC_IMPLEMENT (hb_script_t, script) \ - /* ^--- Add new simple callbacks here */ - -struct hb_unicode_funcs_t { - hb_object_header_t header; - ASSERT_POD (); - - hb_unicode_funcs_t *parent; - - bool immutable; - -#define HB_UNICODE_FUNC_IMPLEMENT(return_type, name) \ - inline return_type name (hb_codepoint_t unicode) { return func.name (this, unicode, user_data.name); } -HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE -#undef HB_UNICODE_FUNC_IMPLEMENT - - inline hb_bool_t compose (hb_codepoint_t a, hb_codepoint_t b, - hb_codepoint_t *ab) - { - *ab = 0; - if (unlikely (!a || !b)) return false; - return func.compose (this, a, b, ab, user_data.compose); - } - - inline hb_bool_t decompose (hb_codepoint_t ab, - hb_codepoint_t *a, hb_codepoint_t *b) - { - *a = ab; *b = 0; - return func.decompose (this, ab, a, b, user_data.decompose); - } - - inline unsigned int decompose_compatibility (hb_codepoint_t u, - hb_codepoint_t *decomposed) - { - unsigned int ret = func.decompose_compatibility (this, u, decomposed, user_data.decompose_compatibility); - if (ret == 1 && u == decomposed[0]) { - decomposed[0] = 0; - return 0; - } - decomposed[ret] = 0; - return ret; - } - - - unsigned int - modified_combining_class (hb_codepoint_t unicode) - { - /* XXX This hack belongs to the Myanmar shaper. */ - if (unicode == 0x1037) unicode = 0x103A; - - return _hb_modified_combining_class[combining_class (unicode)]; - } - - inline hb_bool_t - is_variation_selector (hb_codepoint_t unicode) - { - return unlikely (hb_in_ranges<hb_codepoint_t> (unicode, - 0x180B, 0x180D, /* MONGOLIAN FREE VARIATION SELECTOR ONE..THREE */ - 0xFE00, 0xFE0F, /* VARIATION SELECTOR-1..16 */ - 0xE0100, 0xE01EF)); /* VARIATION SELECTOR-17..256 */ - } - - /* Default_Ignorable codepoints: - * - * Note that as of Oct 2012 (Unicode 6.2), U+180E MONGOLIAN VOWEL SEPARATOR - * is NOT Default_Ignorable, but it really behaves in a way that it should - * be. That has been reported to the Unicode Technical Committee for - * consideration. As such, we include it here, since Uniscribe removes it. - * It *is* in Unicode 6.3 however. U+061C ARABIC LETTER MARK from Unicode - * 6.3 is also added manually. The new Unicode 6.3 bidi formatting - * characters are encoded in a block that was Default_Ignorable already. - * - * Note: While U+115F and U+1160 are Default_Ignorable, we do NOT want to - * hide them, as the way Uniscribe has implemented them is with regular - * spacing glyphs, and that's the way fonts are made to work. As such, - * we make exceptions for those two. - * - * Gathered from: - * http://unicode.org/cldr/utility/list-unicodeset.jsp?a=[:DI:]&abb=on&ucd=on&esc=on - * - * Last updated to the page with the following versions: - * Version 3.6; ICU version: 50.0.1.0; Unicode version: 6.1.0.0 - * - * 4,167 Code Points - * - * [\u00AD\u034F\u115F\u1160\u17B4\u17B5\u180B-\u180D\u200B-\u200F\u202A-\u202E\u2060-\u206F\u3164\uFE00-\uFE0F\uFEFF\uFFA0\uFFF0-\uFFF8\U0001D173-\U0001D17A\U000E0000-\U000E0FFF] - * - * 00AD ;SOFT HYPHEN - * 034F ;COMBINING GRAPHEME JOINER - * #115F ;HANGUL CHOSEONG FILLER - * #1160 ;HANGUL JUNGSEONG FILLER - * 17B4 ;KHMER VOWEL INHERENT AQ - * 17B5 ;KHMER VOWEL INHERENT AA - * 180B..180D ;MONGOLIAN FREE VARIATION SELECTOR THREE - * 200B..200F ;RIGHT-TO-LEFT MARK - * 202A..202E ;RIGHT-TO-LEFT OVERRIDE - * 2060..206F ;NOMINAL DIGIT SHAPES - * 3164 ;HANGUL FILLER - * FE00..FE0F ;VARIATION SELECTOR-16 - * FEFF ;ZERO WIDTH NO-BREAK SPACE - * FFA0 ;HALFWIDTH HANGUL FILLER - * FFF0..FFF8 ;<unassigned-FFF8> - * 1D173..1D17A ;MUSICAL SYMBOL END PHRASE - * E0000..E0FFF ;<unassigned-E0FFF> - */ - inline hb_bool_t - is_default_ignorable (hb_codepoint_t ch) - { - hb_codepoint_t plane = ch >> 16; - if (likely (plane == 0)) - { - /* BMP */ - hb_codepoint_t page = ch >> 8; - switch (page) { - case 0x00: return unlikely (ch == 0x00AD); - case 0x03: return unlikely (ch == 0x034F); - case 0x06: return unlikely (ch == 0x061C); - case 0x17: return hb_in_range<hb_codepoint_t> (ch, 0x17B4, 0x17B5); - case 0x18: return hb_in_range<hb_codepoint_t> (ch, 0x180B, 0x180E); - case 0x20: return hb_in_ranges<hb_codepoint_t> (ch, 0x200B, 0x200F, - 0x202A, 0x202E, - 0x2060, 0x206F); - case 0x31: return unlikely (ch == 0x3164); - case 0xFE: return hb_in_range<hb_codepoint_t> (ch, 0xFE00, 0xFE0F) || ch == 0xFEFF; - case 0xFF: return hb_in_range<hb_codepoint_t> (ch, 0xFFF0, 0xFFF8) || ch == 0xFFA0; - default: return false; - } - } - else - { - /* Other planes */ - switch (plane) { - case 0x01: return hb_in_range<hb_codepoint_t> (ch, 0x0001D173, 0x0001D17A); - case 0x0E: return hb_in_range<hb_codepoint_t> (ch, 0x000E0000, 0x000E0FFF); - default: return false; - } - } - } - - - struct { -#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_unicode_##name##_func_t name; - HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_UNICODE_FUNC_IMPLEMENT - } func; - - struct { -#define HB_UNICODE_FUNC_IMPLEMENT(name) void *name; - HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_UNICODE_FUNC_IMPLEMENT - } user_data; - - struct { -#define HB_UNICODE_FUNC_IMPLEMENT(name) hb_destroy_func_t name; - HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_UNICODE_FUNC_IMPLEMENT - } destroy; -}; - - -extern HB_INTERNAL const hb_unicode_funcs_t _hb_unicode_funcs_nil; - - -/* Modified combining marks */ - -/* Hebrew - * - * We permute the "fixed-position" classes 10-26 into the order - * described in the SBL Hebrew manual: - * - * http://www.sbl-site.org/Fonts/SBLHebrewUserManual1.5x.pdf - * - * (as recommended by: - * http://forum.fontlab.com/archive-old-microsoft-volt-group/vista-and-diacritic-ordering-t6751.0.html) - * - * More details here: - * https://bugzilla.mozilla.org/show_bug.cgi?id=662055 - */ -#define HB_MODIFIED_COMBINING_CLASS_CCC10 22 /* sheva */ -#define HB_MODIFIED_COMBINING_CLASS_CCC11 15 /* hataf segol */ -#define HB_MODIFIED_COMBINING_CLASS_CCC12 16 /* hataf patah */ -#define HB_MODIFIED_COMBINING_CLASS_CCC13 17 /* hataf qamats */ -#define HB_MODIFIED_COMBINING_CLASS_CCC14 23 /* hiriq */ -#define HB_MODIFIED_COMBINING_CLASS_CCC15 18 /* tsere */ -#define HB_MODIFIED_COMBINING_CLASS_CCC16 19 /* segol */ -#define HB_MODIFIED_COMBINING_CLASS_CCC17 20 /* patah */ -#define HB_MODIFIED_COMBINING_CLASS_CCC18 21 /* qamats */ -#define HB_MODIFIED_COMBINING_CLASS_CCC19 14 /* holam */ -#define HB_MODIFIED_COMBINING_CLASS_CCC20 24 /* qubuts */ -#define HB_MODIFIED_COMBINING_CLASS_CCC21 12 /* dagesh */ -#define HB_MODIFIED_COMBINING_CLASS_CCC22 25 /* meteg */ -#define HB_MODIFIED_COMBINING_CLASS_CCC23 13 /* rafe */ -#define HB_MODIFIED_COMBINING_CLASS_CCC24 10 /* shin dot */ -#define HB_MODIFIED_COMBINING_CLASS_CCC25 11 /* sin dot */ -#define HB_MODIFIED_COMBINING_CLASS_CCC26 26 /* point varika */ - -/* - * Arabic - * - * Modify to move Shadda (ccc=33) before other marks. See: - * http://unicode.org/faq/normalization.html#8 - * http://unicode.org/faq/normalization.html#9 - */ -#define HB_MODIFIED_COMBINING_CLASS_CCC27 28 /* fathatan */ -#define HB_MODIFIED_COMBINING_CLASS_CCC28 29 /* dammatan */ -#define HB_MODIFIED_COMBINING_CLASS_CCC29 30 /* kasratan */ -#define HB_MODIFIED_COMBINING_CLASS_CCC30 31 /* fatha */ -#define HB_MODIFIED_COMBINING_CLASS_CCC31 32 /* damma */ -#define HB_MODIFIED_COMBINING_CLASS_CCC32 33 /* kasra */ -#define HB_MODIFIED_COMBINING_CLASS_CCC33 27 /* shadda */ -#define HB_MODIFIED_COMBINING_CLASS_CCC34 34 /* sukun */ -#define HB_MODIFIED_COMBINING_CLASS_CCC35 35 /* superscript alef */ - -/* Syriac */ -#define HB_MODIFIED_COMBINING_CLASS_CCC36 36 /* superscript alaph */ - -/* Telugu - * - * Modify Telugu length marks (ccc=84, ccc=91). - * These are the only matras in the main Indic scripts range that have - * a non-zero ccc. That makes them reorder with the Halant that is - * ccc=9. Just zero them, we don't need them in our Indic shaper. - */ -#define HB_MODIFIED_COMBINING_CLASS_CCC84 0 /* length mark */ -#define HB_MODIFIED_COMBINING_CLASS_CCC91 0 /* ai length mark */ - -/* Thai - * - * Modify U+0E38 and U+0E39 (ccc=103) to be reordered before U+0E3A (ccc=9). - * Assign 3, which is unassigned otherwise. - * Uniscribe does this reordering too. - */ -#define HB_MODIFIED_COMBINING_CLASS_CCC103 3 /* sara u / sara uu */ -#define HB_MODIFIED_COMBINING_CLASS_CCC107 107 /* mai * */ - -/* Lao */ -#define HB_MODIFIED_COMBINING_CLASS_CCC118 118 /* sign u / sign uu */ -#define HB_MODIFIED_COMBINING_CLASS_CCC122 122 /* mai * */ - -/* Tibetan */ -#define HB_MODIFIED_COMBINING_CLASS_CCC129 129 /* sign aa */ -#define HB_MODIFIED_COMBINING_CLASS_CCC130 130 /* sign i */ -#define HB_MODIFIED_COMBINING_CLASS_CCC132 132 /* sign u */ - - -/* Misc */ - -#define HB_UNICODE_GENERAL_CATEGORY_IS_MARK(gen_cat) \ - (FLAG (gen_cat) & \ - (FLAG (HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK) | \ - FLAG (HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK) | \ - FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK))) - - -#endif /* HB_UNICODE_PRIVATE_HH */ |