| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/sfnt/SkOTTable_name.h" |
| |
| #include "include/private/SkTemplates.h" |
| #include "src/core/SkEndian.h" |
| #include "src/core/SkStringUtils.h" |
| #include "src/core/SkTSearch.h" |
| #include "src/core/SkUtils.h" |
| |
| static SkUnichar next_unichar_UTF16BE(const uint8_t** srcPtr, size_t* length) { |
| SkASSERT(srcPtr && *srcPtr && length); |
| SkASSERT(*length > 0); |
| |
| uint16_t leading; |
| if (*length < sizeof(leading)) { |
| *length = 0; |
| return 0xFFFD; |
| } |
| memcpy(&leading, *srcPtr, sizeof(leading)); |
| *srcPtr += sizeof(leading); |
| *length -= sizeof(leading); |
| SkUnichar c = SkEndian_SwapBE16(leading); |
| |
| if (SkUTF16_IsTrailingSurrogate(c)) { |
| return 0xFFFD; |
| } |
| if (SkUTF16_IsLeadingSurrogate(c)) { |
| uint16_t trailing; |
| if (*length < sizeof(trailing)) { |
| *length = 0; |
| return 0xFFFD; |
| } |
| memcpy(&trailing, *srcPtr, sizeof(trailing)); |
| SkUnichar c2 = SkEndian_SwapBE16(trailing); |
| if (!SkUTF16_IsTrailingSurrogate(c2)) { |
| return 0xFFFD; |
| } |
| *srcPtr += sizeof(trailing); |
| *length -= sizeof(trailing); |
| |
| c = (c << 10) + c2 + (0x10000 - (0xD800 << 10) - 0xDC00); |
| } |
| return c; |
| } |
| |
| static void SkString_from_UTF16BE(const uint8_t* utf16be, size_t length, SkString& utf8) { |
| // Note that utf16be may not be 2-byte aligned. |
| SkASSERT(utf16be != nullptr); |
| |
| utf8.reset(); |
| while (length) { |
| utf8.appendUnichar(next_unichar_UTF16BE(&utf16be, &length)); |
| } |
| } |
| |
| /** UnicodeFromMacRoman[macRomanPoint - 0x80] -> unicodeCodePoint. |
| * Derived from http://www.unicode.org/Public/MAPPINGS/VENDORS/APPLE/ROMAN.TXT . |
| * In MacRoman the first 128 code points match ASCII code points. |
| * This maps the second 128 MacRoman code points to unicode code points. |
| */ |
| static const uint16_t UnicodeFromMacRoman[0x80] = { |
| 0x00C4, 0x00C5, 0x00C7, 0x00C9, 0x00D1, 0x00D6, 0x00DC, 0x00E1, |
| 0x00E0, 0x00E2, 0x00E4, 0x00E3, 0x00E5, 0x00E7, 0x00E9, 0x00E8, |
| 0x00EA, 0x00EB, 0x00ED, 0x00EC, 0x00EE, 0x00EF, 0x00F1, 0x00F3, |
| 0x00F2, 0x00F4, 0x00F6, 0x00F5, 0x00FA, 0x00F9, 0x00FB, 0x00FC, |
| 0x2020, 0x00B0, 0x00A2, 0x00A3, 0x00A7, 0x2022, 0x00B6, 0x00DF, |
| 0x00AE, 0x00A9, 0x2122, 0x00B4, 0x00A8, 0x2260, 0x00C6, 0x00D8, |
| 0x221E, 0x00B1, 0x2264, 0x2265, 0x00A5, 0x00B5, 0x2202, 0x2211, |
| 0x220F, 0x03C0, 0x222B, 0x00AA, 0x00BA, 0x03A9, 0x00E6, 0x00F8, |
| 0x00BF, 0x00A1, 0x00AC, 0x221A, 0x0192, 0x2248, 0x2206, 0x00AB, |
| 0x00BB, 0x2026, 0x00A0, 0x00C0, 0x00C3, 0x00D5, 0x0152, 0x0153, |
| 0x2013, 0x2014, 0x201C, 0x201D, 0x2018, 0x2019, 0x00F7, 0x25CA, |
| 0x00FF, 0x0178, 0x2044, 0x20AC, 0x2039, 0x203A, 0xFB01, 0xFB02, |
| 0x2021, 0x00B7, 0x201A, 0x201E, 0x2030, 0x00C2, 0x00CA, 0x00C1, |
| 0x00CB, 0x00C8, 0x00CD, 0x00CE, 0x00CF, 0x00CC, 0x00D3, 0x00D4, |
| 0xF8FF, 0x00D2, 0x00DA, 0x00DB, 0x00D9, 0x0131, 0x02C6, 0x02DC, |
| 0x00AF, 0x02D8, 0x02D9, 0x02DA, 0x00B8, 0x02DD, 0x02DB, 0x02C7, |
| }; |
| |
| static void SkStringFromMacRoman(const uint8_t* macRoman, size_t length, SkString& utf8) { |
| utf8.reset(); |
| for (size_t i = 0; i < length; ++i) { |
| utf8.appendUnichar(macRoman[i] < 0x80 ? macRoman[i] |
| : UnicodeFromMacRoman[macRoman[i] - 0x80]); |
| } |
| } |
| |
| static const struct BCP47FromLanguageId { |
| uint16_t languageID; |
| const char* bcp47; |
| } |
| /** The Mac and Windows values do not conflict, so this is currently one single table. */ |
| BCP47FromLanguageID[] = { |
| /** A mapping from Mac Language Designators to BCP 47 codes. |
| * The following list was constructed more or less manually. |
| * Apple now uses BCP 47 (post OSX10.4), so there will be no new entries. |
| */ |
| {0, "en"}, //English |
| {1, "fr"}, //French |
| {2, "de"}, //German |
| {3, "it"}, //Italian |
| {4, "nl"}, //Dutch |
| {5, "sv"}, //Swedish |
| {6, "es"}, //Spanish |
| {7, "da"}, //Danish |
| {8, "pt"}, //Portuguese |
| {9, "nb"}, //Norwegian |
| {10, "he"}, //Hebrew |
| {11, "ja"}, //Japanese |
| {12, "ar"}, //Arabic |
| {13, "fi"}, //Finnish |
| {14, "el"}, //Greek |
| {15, "is"}, //Icelandic |
| {16, "mt"}, //Maltese |
| {17, "tr"}, //Turkish |
| {18, "hr"}, //Croatian |
| {19, "zh-Hant"}, //Chinese (Traditional) |
| {20, "ur"}, //Urdu |
| {21, "hi"}, //Hindi |
| {22, "th"}, //Thai |
| {23, "ko"}, //Korean |
| {24, "lt"}, //Lithuanian |
| {25, "pl"}, //Polish |
| {26, "hu"}, //Hungarian |
| {27, "et"}, //Estonian |
| {28, "lv"}, //Latvian |
| {29, "se"}, //Sami |
| {30, "fo"}, //Faroese |
| {31, "fa"}, //Farsi (Persian) |
| {32, "ru"}, //Russian |
| {33, "zh-Hans"}, //Chinese (Simplified) |
| {34, "nl"}, //Dutch |
| {35, "ga"}, //Irish(Gaelic) |
| {36, "sq"}, //Albanian |
| {37, "ro"}, //Romanian |
| {38, "cs"}, //Czech |
| {39, "sk"}, //Slovak |
| {40, "sl"}, //Slovenian |
| {41, "yi"}, //Yiddish |
| {42, "sr"}, //Serbian |
| {43, "mk"}, //Macedonian |
| {44, "bg"}, //Bulgarian |
| {45, "uk"}, //Ukrainian |
| {46, "be"}, //Byelorussian |
| {47, "uz"}, //Uzbek |
| {48, "kk"}, //Kazakh |
| {49, "az-Cyrl"}, //Azerbaijani (Cyrillic) |
| {50, "az-Arab"}, //Azerbaijani (Arabic) |
| {51, "hy"}, //Armenian |
| {52, "ka"}, //Georgian |
| {53, "mo"}, //Moldavian |
| {54, "ky"}, //Kirghiz |
| {55, "tg"}, //Tajiki |
| {56, "tk"}, //Turkmen |
| {57, "mn-Mong"}, //Mongolian (Traditional) |
| {58, "mn-Cyrl"}, //Mongolian (Cyrillic) |
| {59, "ps"}, //Pashto |
| {60, "ku"}, //Kurdish |
| {61, "ks"}, //Kashmiri |
| {62, "sd"}, //Sindhi |
| {63, "bo"}, //Tibetan |
| {64, "ne"}, //Nepali |
| {65, "sa"}, //Sanskrit |
| {66, "mr"}, //Marathi |
| {67, "bn"}, //Bengali |
| {68, "as"}, //Assamese |
| {69, "gu"}, //Gujarati |
| {70, "pa"}, //Punjabi |
| {71, "or"}, //Oriya |
| {72, "ml"}, //Malayalam |
| {73, "kn"}, //Kannada |
| {74, "ta"}, //Tamil |
| {75, "te"}, //Telugu |
| {76, "si"}, //Sinhalese |
| {77, "my"}, //Burmese |
| {78, "km"}, //Khmer |
| {79, "lo"}, //Lao |
| {80, "vi"}, //Vietnamese |
| {81, "id"}, //Indonesian |
| {82, "tl"}, //Tagalog |
| {83, "ms-Latn"}, //Malay (Roman) |
| {84, "ms-Arab"}, //Malay (Arabic) |
| {85, "am"}, //Amharic |
| {86, "ti"}, //Tigrinya |
| {87, "om"}, //Oromo |
| {88, "so"}, //Somali |
| {89, "sw"}, //Swahili |
| {90, "rw"}, //Kinyarwanda/Ruanda |
| {91, "rn"}, //Rundi |
| {92, "ny"}, //Nyanja/Chewa |
| {93, "mg"}, //Malagasy |
| {94, "eo"}, //Esperanto |
| {128, "cy"}, //Welsh |
| {129, "eu"}, //Basque |
| {130, "ca"}, //Catalan |
| {131, "la"}, //Latin |
| {132, "qu"}, //Quechua |
| {133, "gn"}, //Guarani |
| {134, "ay"}, //Aymara |
| {135, "tt"}, //Tatar |
| {136, "ug"}, //Uighur |
| {137, "dz"}, //Dzongkha |
| {138, "jv-Latn"}, //Javanese (Roman) |
| {139, "su-Latn"}, //Sundanese (Roman) |
| {140, "gl"}, //Galician |
| {141, "af"}, //Afrikaans |
| {142, "br"}, //Breton |
| {143, "iu"}, //Inuktitut |
| {144, "gd"}, //Scottish (Gaelic) |
| {145, "gv"}, //Manx (Gaelic) |
| {146, "ga"}, //Irish (Gaelic with Lenition) |
| {147, "to"}, //Tongan |
| {148, "el"}, //Greek (Polytonic) Note: ISO 15924 does not have an equivalent script name. |
| {149, "kl"}, //Greenlandic |
| {150, "az-Latn"}, //Azerbaijani (Roman) |
| {151, "nn"}, //Nynorsk |
| |
| /** A mapping from Windows LCID to BCP 47 codes. |
| * This list is the sorted, curated output of tools/win_lcid.cpp. |
| * Note that these are sorted by value for quick binary lookup, and not logically by lsb. |
| * The 'bare' language ids (e.g. 0x0001 for Arabic) are ommitted |
| * as they do not appear as valid language ids in the OpenType specification. |
| */ |
| { 0x0401, "ar-SA" }, //Arabic |
| { 0x0402, "bg-BG" }, //Bulgarian |
| { 0x0403, "ca-ES" }, //Catalan |
| { 0x0404, "zh-TW" }, //Chinese (Traditional) |
| { 0x0405, "cs-CZ" }, //Czech |
| { 0x0406, "da-DK" }, //Danish |
| { 0x0407, "de-DE" }, //German |
| { 0x0408, "el-GR" }, //Greek |
| { 0x0409, "en-US" }, //English |
| { 0x040a, "es-ES_tradnl" }, //Spanish |
| { 0x040b, "fi-FI" }, //Finnish |
| { 0x040c, "fr-FR" }, //French |
| { 0x040d, "he-IL" }, //Hebrew |
| { 0x040d, "he" }, //Hebrew |
| { 0x040e, "hu-HU" }, //Hungarian |
| { 0x040e, "hu" }, //Hungarian |
| { 0x040f, "is-IS" }, //Icelandic |
| { 0x0410, "it-IT" }, //Italian |
| { 0x0411, "ja-JP" }, //Japanese |
| { 0x0412, "ko-KR" }, //Korean |
| { 0x0413, "nl-NL" }, //Dutch |
| { 0x0414, "nb-NO" }, //Norwegian (Bokmål) |
| { 0x0415, "pl-PL" }, //Polish |
| { 0x0416, "pt-BR" }, //Portuguese |
| { 0x0417, "rm-CH" }, //Romansh |
| { 0x0418, "ro-RO" }, //Romanian |
| { 0x0419, "ru-RU" }, //Russian |
| { 0x041a, "hr-HR" }, //Croatian |
| { 0x041b, "sk-SK" }, //Slovak |
| { 0x041c, "sq-AL" }, //Albanian |
| { 0x041d, "sv-SE" }, //Swedish |
| { 0x041e, "th-TH" }, //Thai |
| { 0x041f, "tr-TR" }, //Turkish |
| { 0x0420, "ur-PK" }, //Urdu |
| { 0x0421, "id-ID" }, //Indonesian |
| { 0x0422, "uk-UA" }, //Ukrainian |
| { 0x0423, "be-BY" }, //Belarusian |
| { 0x0424, "sl-SI" }, //Slovenian |
| { 0x0425, "et-EE" }, //Estonian |
| { 0x0426, "lv-LV" }, //Latvian |
| { 0x0427, "lt-LT" }, //Lithuanian |
| { 0x0428, "tg-Cyrl-TJ" }, //Tajik (Cyrillic) |
| { 0x0429, "fa-IR" }, //Persian |
| { 0x042a, "vi-VN" }, //Vietnamese |
| { 0x042b, "hy-AM" }, //Armenian |
| { 0x042c, "az-Latn-AZ" }, //Azeri (Latin) |
| { 0x042d, "eu-ES" }, //Basque |
| { 0x042e, "hsb-DE" }, //Upper Sorbian |
| { 0x042f, "mk-MK" }, //Macedonian (FYROM) |
| { 0x0432, "tn-ZA" }, //Setswana |
| { 0x0434, "xh-ZA" }, //isiXhosa |
| { 0x0435, "zu-ZA" }, //isiZulu |
| { 0x0436, "af-ZA" }, //Afrikaans |
| { 0x0437, "ka-GE" }, //Georgian |
| { 0x0438, "fo-FO" }, //Faroese |
| { 0x0439, "hi-IN" }, //Hindi |
| { 0x043a, "mt-MT" }, //Maltese |
| { 0x043b, "se-NO" }, //Sami (Northern) |
| { 0x043e, "ms-MY" }, //Malay |
| { 0x043f, "kk-KZ" }, //Kazakh |
| { 0x0440, "ky-KG" }, //Kyrgyz |
| { 0x0441, "sw-KE" }, //Kiswahili |
| { 0x0442, "tk-TM" }, //Turkmen |
| { 0x0443, "uz-Latn-UZ" }, //Uzbek (Latin) |
| { 0x0443, "uz" }, //Uzbek |
| { 0x0444, "tt-RU" }, //Tatar |
| { 0x0445, "bn-IN" }, //Bengali |
| { 0x0446, "pa-IN" }, //Punjabi |
| { 0x0447, "gu-IN" }, //Gujarati |
| { 0x0448, "or-IN" }, //Oriya |
| { 0x0449, "ta-IN" }, //Tamil |
| { 0x044a, "te-IN" }, //Telugu |
| { 0x044b, "kn-IN" }, //Kannada |
| { 0x044c, "ml-IN" }, //Malayalam |
| { 0x044d, "as-IN" }, //Assamese |
| { 0x044e, "mr-IN" }, //Marathi |
| { 0x044f, "sa-IN" }, //Sanskrit |
| { 0x0450, "mn-Cyrl" }, //Mongolian (Cyrillic) |
| { 0x0451, "bo-CN" }, //Tibetan |
| { 0x0452, "cy-GB" }, //Welsh |
| { 0x0453, "km-KH" }, //Khmer |
| { 0x0454, "lo-LA" }, //Lao |
| { 0x0456, "gl-ES" }, //Galician |
| { 0x0457, "kok-IN" }, //Konkani |
| { 0x045a, "syr-SY" }, //Syriac |
| { 0x045b, "si-LK" }, //Sinhala |
| { 0x045d, "iu-Cans-CA" }, //Inuktitut (Syllabics) |
| { 0x045e, "am-ET" }, //Amharic |
| { 0x0461, "ne-NP" }, //Nepali |
| { 0x0462, "fy-NL" }, //Frisian |
| { 0x0463, "ps-AF" }, //Pashto |
| { 0x0464, "fil-PH" }, //Filipino |
| { 0x0465, "dv-MV" }, //Divehi |
| { 0x0468, "ha-Latn-NG" }, //Hausa (Latin) |
| { 0x046a, "yo-NG" }, //Yoruba |
| { 0x046b, "quz-BO" }, //Quechua |
| { 0x046c, "nso-ZA" }, //Sesotho sa Leboa |
| { 0x046d, "ba-RU" }, //Bashkir |
| { 0x046e, "lb-LU" }, //Luxembourgish |
| { 0x046f, "kl-GL" }, //Greenlandic |
| { 0x0470, "ig-NG" }, //Igbo |
| { 0x0478, "ii-CN" }, //Yi |
| { 0x047a, "arn-CL" }, //Mapudungun |
| { 0x047c, "moh-CA" }, //Mohawk |
| { 0x047e, "br-FR" }, //Breton |
| { 0x0480, "ug-CN" }, //Uyghur |
| { 0x0481, "mi-NZ" }, //Maori |
| { 0x0482, "oc-FR" }, //Occitan |
| { 0x0483, "co-FR" }, //Corsican |
| { 0x0484, "gsw-FR" }, //Alsatian |
| { 0x0485, "sah-RU" }, //Yakut |
| { 0x0486, "qut-GT" }, //K'iche |
| { 0x0487, "rw-RW" }, //Kinyarwanda |
| { 0x0488, "wo-SN" }, //Wolof |
| { 0x048c, "prs-AF" }, //Dari |
| { 0x0491, "gd-GB" }, //Scottish Gaelic |
| { 0x0801, "ar-IQ" }, //Arabic |
| { 0x0804, "zh-Hans" }, //Chinese (Simplified) |
| { 0x0807, "de-CH" }, //German |
| { 0x0809, "en-GB" }, //English |
| { 0x080a, "es-MX" }, //Spanish |
| { 0x080c, "fr-BE" }, //French |
| { 0x0810, "it-CH" }, //Italian |
| { 0x0813, "nl-BE" }, //Dutch |
| { 0x0814, "nn-NO" }, //Norwegian (Nynorsk) |
| { 0x0816, "pt-PT" }, //Portuguese |
| { 0x081a, "sr-Latn-CS" }, //Serbian (Latin) |
| { 0x081d, "sv-FI" }, //Swedish |
| { 0x082c, "az-Cyrl-AZ" }, //Azeri (Cyrillic) |
| { 0x082e, "dsb-DE" }, //Lower Sorbian |
| { 0x082e, "dsb" }, //Lower Sorbian |
| { 0x083b, "se-SE" }, //Sami (Northern) |
| { 0x083c, "ga-IE" }, //Irish |
| { 0x083e, "ms-BN" }, //Malay |
| { 0x0843, "uz-Cyrl-UZ" }, //Uzbek (Cyrillic) |
| { 0x0845, "bn-BD" }, //Bengali |
| { 0x0850, "mn-Mong-CN" }, //Mongolian (Traditional Mongolian) |
| { 0x085d, "iu-Latn-CA" }, //Inuktitut (Latin) |
| { 0x085f, "tzm-Latn-DZ" }, //Tamazight (Latin) |
| { 0x086b, "quz-EC" }, //Quechua |
| { 0x0c01, "ar-EG" }, //Arabic |
| { 0x0c04, "zh-Hant" }, //Chinese (Traditional) |
| { 0x0c07, "de-AT" }, //German |
| { 0x0c09, "en-AU" }, //English |
| { 0x0c0a, "es-ES" }, //Spanish |
| { 0x0c0c, "fr-CA" }, //French |
| { 0x0c1a, "sr-Cyrl-CS" }, //Serbian (Cyrillic) |
| { 0x0c3b, "se-FI" }, //Sami (Northern) |
| { 0x0c6b, "quz-PE" }, //Quechua |
| { 0x1001, "ar-LY" }, //Arabic |
| { 0x1004, "zh-SG" }, //Chinese (Simplified) |
| { 0x1007, "de-LU" }, //German |
| { 0x1009, "en-CA" }, //English |
| { 0x100a, "es-GT" }, //Spanish |
| { 0x100c, "fr-CH" }, //French |
| { 0x101a, "hr-BA" }, //Croatian (Latin) |
| { 0x103b, "smj-NO" }, //Sami (Lule) |
| { 0x1401, "ar-DZ" }, //Arabic |
| { 0x1404, "zh-MO" }, //Chinese (Traditional) |
| { 0x1407, "de-LI" }, //German |
| { 0x1409, "en-NZ" }, //English |
| { 0x140a, "es-CR" }, //Spanish |
| { 0x140c, "fr-LU" }, //French |
| { 0x141a, "bs-Latn-BA" }, //Bosnian (Latin) |
| { 0x141a, "bs" }, //Bosnian |
| { 0x143b, "smj-SE" }, //Sami (Lule) |
| { 0x143b, "smj" }, //Sami (Lule) |
| { 0x1801, "ar-MA" }, //Arabic |
| { 0x1809, "en-IE" }, //English |
| { 0x180a, "es-PA" }, //Spanish |
| { 0x180c, "fr-MC" }, //French |
| { 0x181a, "sr-Latn-BA" }, //Serbian (Latin) |
| { 0x183b, "sma-NO" }, //Sami (Southern) |
| { 0x1c01, "ar-TN" }, //Arabic |
| { 0x1c09, "en-ZA" }, //English |
| { 0x1c0a, "es-DO" }, //Spanish |
| { 0x1c1a, "sr-Cyrl-BA" }, //Serbian (Cyrillic) |
| { 0x1c3b, "sma-SE" }, //Sami (Southern) |
| { 0x1c3b, "sma" }, //Sami (Southern) |
| { 0x2001, "ar-OM" }, //Arabic |
| { 0x2009, "en-JM" }, //English |
| { 0x200a, "es-VE" }, //Spanish |
| { 0x201a, "bs-Cyrl-BA" }, //Bosnian (Cyrillic) |
| { 0x201a, "bs-Cyrl" }, //Bosnian (Cyrillic) |
| { 0x203b, "sms-FI" }, //Sami (Skolt) |
| { 0x203b, "sms" }, //Sami (Skolt) |
| { 0x2401, "ar-YE" }, //Arabic |
| { 0x2409, "en-029" }, //English |
| { 0x240a, "es-CO" }, //Spanish |
| { 0x241a, "sr-Latn-RS" }, //Serbian (Latin) |
| { 0x243b, "smn-FI" }, //Sami (Inari) |
| { 0x2801, "ar-SY" }, //Arabic |
| { 0x2809, "en-BZ" }, //English |
| { 0x280a, "es-PE" }, //Spanish |
| { 0x281a, "sr-Cyrl-RS" }, //Serbian (Cyrillic) |
| { 0x2c01, "ar-JO" }, //Arabic |
| { 0x2c09, "en-TT" }, //English |
| { 0x2c0a, "es-AR" }, //Spanish |
| { 0x2c1a, "sr-Latn-ME" }, //Serbian (Latin) |
| { 0x3001, "ar-LB" }, //Arabic |
| { 0x3009, "en-ZW" }, //English |
| { 0x300a, "es-EC" }, //Spanish |
| { 0x301a, "sr-Cyrl-ME" }, //Serbian (Cyrillic) |
| { 0x3401, "ar-KW" }, //Arabic |
| { 0x3409, "en-PH" }, //English |
| { 0x340a, "es-CL" }, //Spanish |
| { 0x3801, "ar-AE" }, //Arabic |
| { 0x380a, "es-UY" }, //Spanish |
| { 0x3c01, "ar-BH" }, //Arabic |
| { 0x3c0a, "es-PY" }, //Spanish |
| { 0x4001, "ar-QA" }, //Arabic |
| { 0x4009, "en-IN" }, //English |
| { 0x400a, "es-BO" }, //Spanish |
| { 0x4409, "en-MY" }, //English |
| { 0x440a, "es-SV" }, //Spanish |
| { 0x4809, "en-SG" }, //English |
| { 0x480a, "es-HN" }, //Spanish |
| { 0x4c0a, "es-NI" }, //Spanish |
| { 0x500a, "es-PR" }, //Spanish |
| { 0x540a, "es-US" }, //Spanish |
| }; |
| |
| namespace { |
| bool BCP47FromLanguageIdLess(const BCP47FromLanguageId& a, const BCP47FromLanguageId& b) { |
| return a.languageID < b.languageID; |
| } |
| } |
| |
| bool SkOTTableName::Iterator::next(SkOTTableName::Iterator::Record& record) { |
| SkOTTableName nameTable; |
| if (fNameTableSize < sizeof(nameTable)) { |
| return false; |
| } |
| memcpy(&nameTable, fNameTable, sizeof(nameTable)); |
| |
| const uint8_t* nameRecords = fNameTable + sizeof(nameTable); |
| const size_t nameRecordsSize = fNameTableSize - sizeof(nameTable); |
| |
| const size_t stringTableOffset = SkEndian_SwapBE16(nameTable.stringOffset); |
| if (fNameTableSize < stringTableOffset) { |
| return false; |
| } |
| const uint8_t* stringTable = fNameTable + stringTableOffset; |
| const size_t stringTableSize = fNameTableSize - stringTableOffset; |
| |
| // Find the next record which matches the requested type. |
| SkOTTableName::Record nameRecord; |
| const size_t nameRecordsCount = SkEndian_SwapBE16(nameTable.count); |
| const size_t nameRecordsMax = std::min(nameRecordsCount, nameRecordsSize / sizeof(nameRecord)); |
| do { |
| if (fIndex >= nameRecordsMax) { |
| return false; |
| } |
| |
| memcpy(&nameRecord, nameRecords + sizeof(nameRecord)*fIndex, sizeof(nameRecord)); |
| ++fIndex; |
| } while (fType != -1 && nameRecord.nameID.fontSpecific != fType); |
| |
| record.type = nameRecord.nameID.fontSpecific; |
| |
| // Decode the name into UTF-8. |
| const size_t nameOffset = SkEndian_SwapBE16(nameRecord.offset); |
| const size_t nameLength = SkEndian_SwapBE16(nameRecord.length); |
| if (stringTableSize < nameOffset + nameLength) { |
| return false; // continue? |
| } |
| const uint8_t* nameString = stringTable + nameOffset; |
| switch (nameRecord.platformID.value) { |
| case SkOTTableName::Record::PlatformID::Windows: |
| if (SkOTTableName::Record::EncodingID::Windows::UnicodeBMPUCS2 |
| != nameRecord.encodingID.windows.value |
| && SkOTTableName::Record::EncodingID::Windows::UnicodeUCS4 |
| != nameRecord.encodingID.windows.value |
| && SkOTTableName::Record::EncodingID::Windows::Symbol |
| != nameRecord.encodingID.windows.value) |
| { |
| record.name.reset(); |
| break; // continue? |
| } |
| [[fallthrough]]; |
| case SkOTTableName::Record::PlatformID::Unicode: |
| case SkOTTableName::Record::PlatformID::ISO: |
| SkString_from_UTF16BE(nameString, nameLength, record.name); |
| break; |
| |
| case SkOTTableName::Record::PlatformID::Macintosh: |
| // TODO: need better decoding, especially on Mac. |
| if (SkOTTableName::Record::EncodingID::Macintosh::Roman |
| != nameRecord.encodingID.macintosh.value) |
| { |
| record.name.reset(); |
| break; // continue? |
| } |
| SkStringFromMacRoman(nameString, nameLength, record.name); |
| break; |
| |
| case SkOTTableName::Record::PlatformID::Custom: |
| // These should never appear in a 'name' table. |
| default: |
| SkASSERT(false); |
| record.name.reset(); |
| break; // continue? |
| } |
| |
| // Determine the language. |
| const uint16_t languageID = SkEndian_SwapBE16(nameRecord.languageID.languageTagID); |
| |
| // Handle format 1 languages. |
| if (SkOTTableName::format_1 == nameTable.format && languageID >= 0x8000) { |
| const uint16_t languageTagRecordIndex = languageID - 0x8000; |
| |
| if (nameRecordsSize < sizeof(nameRecord)*nameRecordsCount) { |
| return false; //"und" or break? |
| } |
| const uint8_t* format1extData = nameRecords + sizeof(nameRecord)*nameRecordsCount; |
| size_t format1extSize = nameRecordsSize - sizeof(nameRecord)*nameRecordsCount; |
| SkOTTableName::Format1Ext format1ext; |
| if (format1extSize < sizeof(format1ext)) { |
| return false; // "und" or break? |
| } |
| memcpy(&format1ext, format1extData, sizeof(format1ext)); |
| |
| const uint8_t* languageTagRecords = format1extData + sizeof(format1ext); |
| size_t languageTagRecordsSize = format1extSize - sizeof(format1ext); |
| if (languageTagRecordIndex < SkEndian_SwapBE16(format1ext.langTagCount)) { |
| SkOTTableName::Format1Ext::LangTagRecord languageTagRecord; |
| if (languageTagRecordsSize < sizeof(languageTagRecord)*(languageTagRecordIndex+1)) { |
| return false; // "und"? |
| } |
| const uint8_t* languageTagData = languageTagRecords |
| + sizeof(languageTagRecord)*languageTagRecordIndex; |
| memcpy(&languageTagRecord, languageTagData, sizeof(languageTagRecord)); |
| |
| uint16_t languageOffset = SkEndian_SwapBE16(languageTagRecord.offset); |
| uint16_t languageLength = SkEndian_SwapBE16(languageTagRecord.length); |
| |
| if (fNameTableSize < stringTableOffset + languageOffset + languageLength) { |
| return false; // "und"? |
| } |
| const uint8_t* languageString = stringTable + languageOffset; |
| SkString_from_UTF16BE(languageString, languageLength, record.language); |
| return true; |
| } |
| } |
| |
| // Handle format 0 languages, translating them into BCP 47. |
| const BCP47FromLanguageId target = { languageID, "" }; |
| int languageIndex = SkTSearch<BCP47FromLanguageId, BCP47FromLanguageIdLess>( |
| BCP47FromLanguageID, SK_ARRAY_COUNT(BCP47FromLanguageID), target, sizeof(target)); |
| if (languageIndex >= 0) { |
| record.language = BCP47FromLanguageID[languageIndex].bcp47; |
| return true; |
| } |
| |
| // Unknown language, return the BCP 47 code 'und' for 'undetermined'. |
| record.language = "und"; |
| return true; |
| } |