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Diffstat (limited to 'src/sfnt/SkOTTable_name.cpp')
| -rw-r--r-- | src/sfnt/SkOTTable_name.cpp | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/src/sfnt/SkOTTable_name.cpp b/src/sfnt/SkOTTable_name.cpp new file mode 100644 index 0000000000..04e953da62 --- /dev/null +++ b/src/sfnt/SkOTTable_name.cpp @@ -0,0 +1,528 @@ +/* + * 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 "SkOTTable_name.h" + +#include "SkEndian.h" +#include "SkString.h" +#include "SkTSearch.h" +#include "SkUtils.h" + +static SkUnichar SkUTF16BE_NextUnichar(const uint16_t** srcPtr) { + SkASSERT(srcPtr && *srcPtr); + + const uint16_t* src = *srcPtr; + SkUnichar c = SkEndian_SwapBE16(*src++); + + SkASSERT(!SkUTF16_IsLowSurrogate(c)); + if (SkUTF16_IsHighSurrogate(c)) { + unsigned c2 = SkEndian_SwapBE16(*src++); + SkASSERT(SkUTF16_IsLowSurrogate(c2)); + + c = (c << 10) + c2 + (0x10000 - (0xD800 << 10) - 0xDC00); + } + *srcPtr = src; + return c; +} + +static void SkStringFromUTF16BE(const uint16_t* utf16be, size_t length, SkString& utf8) { + SkASSERT(utf16be != NULL); + + utf8.reset(); + size_t numberOf16BitValues = length / 2; + const uint16_t* end = utf16be + numberOf16BitValues; + while (utf16be < end) { + utf8.appendUnichar(SkUTF16BE_NextUnichar(&utf16be)); + } +} + +/** 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 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]]); + } +} + +static 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 +}; + +int BCP47FromLanguageIdCompare(const BCP47FromLanguageId* a, const BCP47FromLanguageId* b) { + return a->languageID - b->languageID; +} + +template <typename D, typename S> static D* SkTAfter(S const * const ptr, size_t count = 1) { + return (D*)(ptr + count); +} + +template <typename D, typename S> static D* SkTAddOffset(S const * const ptr, size_t byteOffset) { + return (D*)((char*)ptr + byteOffset); +} + +bool SkOTTableName::Iterator::next(SkOTTableName::Iterator::Record& record) { + const size_t nameRecordsCount = SkEndian_SwapBE16(fName.count); + const SkOTTableName::Record* nameRecords = SkTAfter<const SkOTTableName::Record>(&fName); + const SkOTTableName::Record* nameRecord; + + // Find the next record which matches the requested type. + do { + if (fIndex >= nameRecordsCount) { + return false; + } + + nameRecord = &nameRecords[fIndex]; + ++fIndex; + } while (fType != -1 && nameRecord->nameID.fontSpecific != fType); + + const uint16_t stringTableOffset = SkEndian_SwapBE16(fName.stringOffset); + const char* stringTable = SkTAddOffset<char>(&fName, stringTableOffset); + + // Decode the name into UTF-8. + const uint16_t nameOffset = SkEndian_SwapBE16(nameRecord->offset); + const uint16_t nameLength = SkEndian_SwapBE16(nameRecord->length); + const char* nameString = SkTAddOffset<char>(stringTable, nameOffset); + switch (nameRecord->platformID.value) { + case SkOTTableName::Record::PlatformID::Windows: + SkASSERT(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); + case SkOTTableName::Record::PlatformID::Unicode: + case SkOTTableName::Record::PlatformID::ISO: + SkStringFromUTF16BE((const uint16_t*)nameString, nameLength, record.name); + break; + + case SkOTTableName::Record::PlatformID::Macintosh: + SkASSERT(SkOTTableName::Record::EncodingID::Macintosh::Roman + == nameRecord->encodingID.macintosh.value); + SkStringFromMacRoman((const uint8_t*)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; + } + + // Determine the language. + const uint16_t languageID = SkEndian_SwapBE16(nameRecord->languageID.languageTagID); + + // Handle format 1 languages. + if (SkOTTableName::format_1 == fName.format && languageID >= 0x8000) { + const uint16_t languageTagRecordIndex = languageID - 0x8000; + + const SkOTTableName::Format1Ext* format1ext = + SkTAfter<const SkOTTableName::Format1Ext>(nameRecords, nameRecordsCount); + + if (languageTagRecordIndex < format1ext->langTagCount) { + const SkOTTableName::Format1Ext::LangTagRecord* languageTagRecord = + SkTAfter<const SkOTTableName::Format1Ext::LangTagRecord>(format1ext); + + uint16_t offset = SkEndian_SwapBE16(languageTagRecord[languageTagRecordIndex].offset); + uint16_t length = SkEndian_SwapBE16(languageTagRecord[languageTagRecordIndex].length); + const uint16_t* string = SkTAddOffset<const uint16_t>(stringTable, offset); + SkStringFromUTF16BE(string, length, record.language); + return true; + } + } + + // Handle format 0 languages, translating them into BCP 47. + const BCP47FromLanguageId target = { languageID, "" }; + int languageIndex = SkTSearch<BCP47FromLanguageId, BCP47FromLanguageIdCompare>( + 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'. + SkASSERT(false); + record.language = "und"; + return true; +} |