blob: 17bd228b4b02f22d8ad32baafbaf4a76c8be5455 [file]
/*
* 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 "src/core/SkEndian.h"
#include "src/core/SkStringUtils.h"
#include "src/core/SkTSearch.h"
#include "src/core/SkUTF.h"
#include <array>
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 (SkUTF::IsTrailingSurrogateUTF16(c)) {
return 0xFFFD;
}
if (SkUTF::IsLeadingSurrogateUTF16(c)) {
uint16_t trailing;
if (*length < sizeof(trailing)) {
*length = 0;
return 0xFFFD;
}
memcpy(&trailing, *srcPtr, sizeof(trailing));
SkUnichar c2 = SkEndian_SwapBE16(trailing);
if (!SkUTF::IsTrailingSurrogateUTF16(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 constexpr std::array<uint16_t, 0x80> UnicodeFromMacRoman = {
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]);
}
}
struct BCP47FromLanguageId {
uint16_t languageID;
const char* bcp47;
};
static constexpr auto BCP47FromLanguageID = std::to_array<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.
*/
BCP47FromLanguageId{ 0, "en"}, // English
BCP47FromLanguageId{ 1, "fr"}, // French
BCP47FromLanguageId{ 2, "de"}, // German
BCP47FromLanguageId{ 3, "it"}, // Italian
BCP47FromLanguageId{ 4, "nl"}, // Dutch
BCP47FromLanguageId{ 5, "sv"}, // Swedish
BCP47FromLanguageId{ 6, "es"}, // Spanish
BCP47FromLanguageId{ 7, "da"}, // Danish
BCP47FromLanguageId{ 8, "pt"}, // Portuguese
BCP47FromLanguageId{ 9, "nb"}, // Norwegian
BCP47FromLanguageId{ 10, "he"}, // Hebrew
BCP47FromLanguageId{ 11, "ja"}, // Japanese
BCP47FromLanguageId{ 12, "ar"}, // Arabic
BCP47FromLanguageId{ 13, "fi"}, // Finnish
BCP47FromLanguageId{ 14, "el"}, // Greek
BCP47FromLanguageId{ 15, "is"}, // Icelandic
BCP47FromLanguageId{ 16, "mt"}, // Maltese
BCP47FromLanguageId{ 17, "tr"}, // Turkish
BCP47FromLanguageId{ 18, "hr"}, // Croatian
BCP47FromLanguageId{ 19, "zh-Hant"}, // Chinese (Traditional)
BCP47FromLanguageId{ 20, "ur"}, // Urdu
BCP47FromLanguageId{ 21, "hi"}, // Hindi
BCP47FromLanguageId{ 22, "th"}, // Thai
BCP47FromLanguageId{ 23, "ko"}, // Korean
BCP47FromLanguageId{ 24, "lt"}, // Lithuanian
BCP47FromLanguageId{ 25, "pl"}, // Polish
BCP47FromLanguageId{ 26, "hu"}, // Hungarian
BCP47FromLanguageId{ 27, "et"}, // Estonian
BCP47FromLanguageId{ 28, "lv"}, // Latvian
BCP47FromLanguageId{ 29, "se"}, // Sami
BCP47FromLanguageId{ 30, "fo"}, // Faroese
BCP47FromLanguageId{ 31, "fa"}, // Farsi (Persian)
BCP47FromLanguageId{ 32, "ru"}, // Russian
BCP47FromLanguageId{ 33, "zh-Hans"}, // Chinese (Simplified)
BCP47FromLanguageId{ 34, "nl"}, // Dutch
BCP47FromLanguageId{ 35, "ga"}, // Irish(Gaelic)
BCP47FromLanguageId{ 36, "sq"}, // Albanian
BCP47FromLanguageId{ 37, "ro"}, // Romanian
BCP47FromLanguageId{ 38, "cs"}, // Czech
BCP47FromLanguageId{ 39, "sk"}, // Slovak
BCP47FromLanguageId{ 40, "sl"}, // Slovenian
BCP47FromLanguageId{ 41, "yi"}, // Yiddish
BCP47FromLanguageId{ 42, "sr"}, // Serbian
BCP47FromLanguageId{ 43, "mk"}, // Macedonian
BCP47FromLanguageId{ 44, "bg"}, // Bulgarian
BCP47FromLanguageId{ 45, "uk"}, // Ukrainian
BCP47FromLanguageId{ 46, "be"}, // Byelorussian
BCP47FromLanguageId{ 47, "uz"}, // Uzbek
BCP47FromLanguageId{ 48, "kk"}, // Kazakh
BCP47FromLanguageId{ 49, "az-Cyrl"}, // Azerbaijani (Cyrillic)
BCP47FromLanguageId{ 50, "az-Arab"}, // Azerbaijani (Arabic)
BCP47FromLanguageId{ 51, "hy"}, // Armenian
BCP47FromLanguageId{ 52, "ka"}, // Georgian
BCP47FromLanguageId{ 53, "mo"}, // Moldavian
BCP47FromLanguageId{ 54, "ky"}, // Kirghiz
BCP47FromLanguageId{ 55, "tg"}, // Tajiki
BCP47FromLanguageId{ 56, "tk"}, // Turkmen
BCP47FromLanguageId{ 57, "mn-Mong"}, // Mongolian (Traditional)
BCP47FromLanguageId{ 58, "mn-Cyrl"}, // Mongolian (Cyrillic)
BCP47FromLanguageId{ 59, "ps"}, // Pashto
BCP47FromLanguageId{ 60, "ku"}, // Kurdish
BCP47FromLanguageId{ 61, "ks"}, // Kashmiri
BCP47FromLanguageId{ 62, "sd"}, // Sindhi
BCP47FromLanguageId{ 63, "bo"}, // Tibetan
BCP47FromLanguageId{ 64, "ne"}, // Nepali
BCP47FromLanguageId{ 65, "sa"}, // Sanskrit
BCP47FromLanguageId{ 66, "mr"}, // Marathi
BCP47FromLanguageId{ 67, "bn"}, // Bengali
BCP47FromLanguageId{ 68, "as"}, // Assamese
BCP47FromLanguageId{ 69, "gu"}, // Gujarati
BCP47FromLanguageId{ 70, "pa"}, // Punjabi
BCP47FromLanguageId{ 71, "or"}, // Oriya
BCP47FromLanguageId{ 72, "ml"}, // Malayalam
BCP47FromLanguageId{ 73, "kn"}, // Kannada
BCP47FromLanguageId{ 74, "ta"}, // Tamil
BCP47FromLanguageId{ 75, "te"}, // Telugu
BCP47FromLanguageId{ 76, "si"}, // Sinhalese
BCP47FromLanguageId{ 77, "my"}, // Burmese
BCP47FromLanguageId{ 78, "km"}, // Khmer
BCP47FromLanguageId{ 79, "lo"}, // Lao
BCP47FromLanguageId{ 80, "vi"}, // Vietnamese
BCP47FromLanguageId{ 81, "id"}, // Indonesian
BCP47FromLanguageId{ 82, "tl"}, // Tagalog
BCP47FromLanguageId{ 83, "ms-Latn"}, // Malay (Roman)
BCP47FromLanguageId{ 84, "ms-Arab"}, // Malay (Arabic)
BCP47FromLanguageId{ 85, "am"}, // Amharic
BCP47FromLanguageId{ 86, "ti"}, // Tigrinya
BCP47FromLanguageId{ 87, "om"}, // Oromo
BCP47FromLanguageId{ 88, "so"}, // Somali
BCP47FromLanguageId{ 89, "sw"}, // Swahili
BCP47FromLanguageId{ 90, "rw"}, // Kinyarwanda/Ruanda
BCP47FromLanguageId{ 91, "rn"}, // Rundi
BCP47FromLanguageId{ 92, "ny"}, // Nyanja/Chewa
BCP47FromLanguageId{ 93, "mg"}, // Malagasy
BCP47FromLanguageId{ 94, "eo"}, // Esperanto
BCP47FromLanguageId{ 128, "cy"}, // Welsh
BCP47FromLanguageId{ 129, "eu"}, // Basque
BCP47FromLanguageId{ 130, "ca"}, // Catalan
BCP47FromLanguageId{ 131, "la"}, // Latin
BCP47FromLanguageId{ 132, "qu"}, // Quechua
BCP47FromLanguageId{ 133, "gn"}, // Guarani
BCP47FromLanguageId{ 134, "ay"}, // Aymara
BCP47FromLanguageId{ 135, "tt"}, // Tatar
BCP47FromLanguageId{ 136, "ug"}, // Uighur
BCP47FromLanguageId{ 137, "dz"}, // Dzongkha
BCP47FromLanguageId{ 138, "jv-Latn"}, // Javanese (Roman)
BCP47FromLanguageId{ 139, "su-Latn"}, // Sundanese (Roman)
BCP47FromLanguageId{ 140, "gl"}, // Galician
BCP47FromLanguageId{ 141, "af"}, // Afrikaans
BCP47FromLanguageId{ 142, "br"}, // Breton
BCP47FromLanguageId{ 143, "iu"}, // Inuktitut
BCP47FromLanguageId{ 144, "gd"}, // Scottish (Gaelic)
BCP47FromLanguageId{ 145, "gv"}, // Manx (Gaelic)
BCP47FromLanguageId{ 146, "ga"}, // Irish (Gaelic with Lenition)
BCP47FromLanguageId{ 147, "to"}, // Tongan
BCP47FromLanguageId{ 148, "el"}, // Greek (Polytonic) Note: ISO 15924 does not
// have an equivalent script name.
BCP47FromLanguageId{ 149, "kl"}, // Greenlandic
BCP47FromLanguageId{ 150, "az-Latn"}, // Azerbaijani (Roman)
BCP47FromLanguageId{ 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.
*/
BCP47FromLanguageId{0x0401, "ar-SA"}, // Arabic
BCP47FromLanguageId{0x0402, "bg-BG"}, // Bulgarian
BCP47FromLanguageId{0x0403, "ca-ES"}, // Catalan
BCP47FromLanguageId{0x0404, "zh-TW"}, // Chinese (Traditional)
BCP47FromLanguageId{0x0405, "cs-CZ"}, // Czech
BCP47FromLanguageId{0x0406, "da-DK"}, // Danish
BCP47FromLanguageId{0x0407, "de-DE"}, // German
BCP47FromLanguageId{0x0408, "el-GR"}, // Greek
BCP47FromLanguageId{0x0409, "en-US"}, // English
BCP47FromLanguageId{0x040a, "es-ES_tradnl"}, // Spanish
BCP47FromLanguageId{0x040b, "fi-FI"}, // Finnish
BCP47FromLanguageId{0x040c, "fr-FR"}, // French
BCP47FromLanguageId{0x040d, "he-IL"}, // Hebrew
BCP47FromLanguageId{0x040d, "he"}, // Hebrew
BCP47FromLanguageId{0x040e, "hu-HU"}, // Hungarian
BCP47FromLanguageId{0x040e, "hu"}, // Hungarian
BCP47FromLanguageId{0x040f, "is-IS"}, // Icelandic
BCP47FromLanguageId{0x0410, "it-IT"}, // Italian
BCP47FromLanguageId{0x0411, "ja-JP"}, // Japanese
BCP47FromLanguageId{0x0412, "ko-KR"}, // Korean
BCP47FromLanguageId{0x0413, "nl-NL"}, // Dutch
BCP47FromLanguageId{0x0414, "nb-NO"}, // Norwegian (Bokmål)
BCP47FromLanguageId{0x0415, "pl-PL"}, // Polish
BCP47FromLanguageId{0x0416, "pt-BR"}, // Portuguese
BCP47FromLanguageId{0x0417, "rm-CH"}, // Romansh
BCP47FromLanguageId{0x0418, "ro-RO"}, // Romanian
BCP47FromLanguageId{0x0419, "ru-RU"}, // Russian
BCP47FromLanguageId{0x041a, "hr-HR"}, // Croatian
BCP47FromLanguageId{0x041b, "sk-SK"}, // Slovak
BCP47FromLanguageId{0x041c, "sq-AL"}, // Albanian
BCP47FromLanguageId{0x041d, "sv-SE"}, // Swedish
BCP47FromLanguageId{0x041e, "th-TH"}, // Thai
BCP47FromLanguageId{0x041f, "tr-TR"}, // Turkish
BCP47FromLanguageId{0x0420, "ur-PK"}, // Urdu
BCP47FromLanguageId{0x0421, "id-ID"}, // Indonesian
BCP47FromLanguageId{0x0422, "uk-UA"}, // Ukrainian
BCP47FromLanguageId{0x0423, "be-BY"}, // Belarusian
BCP47FromLanguageId{0x0424, "sl-SI"}, // Slovenian
BCP47FromLanguageId{0x0425, "et-EE"}, // Estonian
BCP47FromLanguageId{0x0426, "lv-LV"}, // Latvian
BCP47FromLanguageId{0x0427, "lt-LT"}, // Lithuanian
BCP47FromLanguageId{0x0428, "tg-Cyrl-TJ"}, // Tajik (Cyrillic)
BCP47FromLanguageId{0x0429, "fa-IR"}, // Persian
BCP47FromLanguageId{0x042a, "vi-VN"}, // Vietnamese
BCP47FromLanguageId{0x042b, "hy-AM"}, // Armenian
BCP47FromLanguageId{0x042c, "az-Latn-AZ"}, // Azeri (Latin)
BCP47FromLanguageId{0x042d, "eu-ES"}, // Basque
BCP47FromLanguageId{0x042e, "hsb-DE"}, // Upper Sorbian
BCP47FromLanguageId{0x042f, "mk-MK"}, // Macedonian (FYROM)
BCP47FromLanguageId{0x0432, "tn-ZA"}, // Setswana
BCP47FromLanguageId{0x0434, "xh-ZA"}, // isiXhosa
BCP47FromLanguageId{0x0435, "zu-ZA"}, // isiZulu
BCP47FromLanguageId{0x0436, "af-ZA"}, // Afrikaans
BCP47FromLanguageId{0x0437, "ka-GE"}, // Georgian
BCP47FromLanguageId{0x0438, "fo-FO"}, // Faroese
BCP47FromLanguageId{0x0439, "hi-IN"}, // Hindi
BCP47FromLanguageId{0x043a, "mt-MT"}, // Maltese
BCP47FromLanguageId{0x043b, "se-NO"}, // Sami (Northern)
BCP47FromLanguageId{0x043e, "ms-MY"}, // Malay
BCP47FromLanguageId{0x043f, "kk-KZ"}, // Kazakh
BCP47FromLanguageId{0x0440, "ky-KG"}, // Kyrgyz
BCP47FromLanguageId{0x0441, "sw-KE"}, // Kiswahili
BCP47FromLanguageId{0x0442, "tk-TM"}, // Turkmen
BCP47FromLanguageId{0x0443, "uz-Latn-UZ"}, // Uzbek (Latin)
BCP47FromLanguageId{0x0443, "uz"}, // Uzbek
BCP47FromLanguageId{0x0444, "tt-RU"}, // Tatar
BCP47FromLanguageId{0x0445, "bn-IN"}, // Bengali
BCP47FromLanguageId{0x0446, "pa-IN"}, // Punjabi
BCP47FromLanguageId{0x0447, "gu-IN"}, // Gujarati
BCP47FromLanguageId{0x0448, "or-IN"}, // Oriya
BCP47FromLanguageId{0x0449, "ta-IN"}, // Tamil
BCP47FromLanguageId{0x044a, "te-IN"}, // Telugu
BCP47FromLanguageId{0x044b, "kn-IN"}, // Kannada
BCP47FromLanguageId{0x044c, "ml-IN"}, // Malayalam
BCP47FromLanguageId{0x044d, "as-IN"}, // Assamese
BCP47FromLanguageId{0x044e, "mr-IN"}, // Marathi
BCP47FromLanguageId{0x044f, "sa-IN"}, // Sanskrit
BCP47FromLanguageId{0x0450, "mn-Cyrl"}, // Mongolian (Cyrillic)
BCP47FromLanguageId{0x0451, "bo-CN"}, // Tibetan
BCP47FromLanguageId{0x0452, "cy-GB"}, // Welsh
BCP47FromLanguageId{0x0453, "km-KH"}, // Khmer
BCP47FromLanguageId{0x0454, "lo-LA"}, // Lao
BCP47FromLanguageId{0x0456, "gl-ES"}, // Galician
BCP47FromLanguageId{0x0457, "kok-IN"}, // Konkani
BCP47FromLanguageId{0x045a, "syr-SY"}, // Syriac
BCP47FromLanguageId{0x045b, "si-LK"}, // Sinhala
BCP47FromLanguageId{0x045d, "iu-Cans-CA"}, // Inuktitut (Syllabics)
BCP47FromLanguageId{0x045e, "am-ET"}, // Amharic
BCP47FromLanguageId{0x0461, "ne-NP"}, // Nepali
BCP47FromLanguageId{0x0462, "fy-NL"}, // Frisian
BCP47FromLanguageId{0x0463, "ps-AF"}, // Pashto
BCP47FromLanguageId{0x0464, "fil-PH"}, // Filipino
BCP47FromLanguageId{0x0465, "dv-MV"}, // Divehi
BCP47FromLanguageId{0x0468, "ha-Latn-NG"}, // Hausa (Latin)
BCP47FromLanguageId{0x046a, "yo-NG"}, // Yoruba
BCP47FromLanguageId{0x046b, "quz-BO"}, // Quechua
BCP47FromLanguageId{0x046c, "nso-ZA"}, // Sesotho sa Leboa
BCP47FromLanguageId{0x046d, "ba-RU"}, // Bashkir
BCP47FromLanguageId{0x046e, "lb-LU"}, // Luxembourgish
BCP47FromLanguageId{0x046f, "kl-GL"}, // Greenlandic
BCP47FromLanguageId{0x0470, "ig-NG"}, // Igbo
BCP47FromLanguageId{0x0478, "ii-CN"}, // Yi
BCP47FromLanguageId{0x047a, "arn-CL"}, // Mapudungun
BCP47FromLanguageId{0x047c, "moh-CA"}, // Mohawk
BCP47FromLanguageId{0x047e, "br-FR"}, // Breton
BCP47FromLanguageId{0x0480, "ug-CN"}, // Uyghur
BCP47FromLanguageId{0x0481, "mi-NZ"}, // Maori
BCP47FromLanguageId{0x0482, "oc-FR"}, // Occitan
BCP47FromLanguageId{0x0483, "co-FR"}, // Corsican
BCP47FromLanguageId{0x0484, "gsw-FR"}, // Alsatian
BCP47FromLanguageId{0x0485, "sah-RU"}, // Yakut
BCP47FromLanguageId{0x0486, "qut-GT"}, // K'iche
BCP47FromLanguageId{0x0487, "rw-RW"}, // Kinyarwanda
BCP47FromLanguageId{0x0488, "wo-SN"}, // Wolof
BCP47FromLanguageId{0x048c, "prs-AF"}, // Dari
BCP47FromLanguageId{0x0491, "gd-GB"}, // Scottish Gaelic
BCP47FromLanguageId{0x0801, "ar-IQ"}, // Arabic
BCP47FromLanguageId{0x0804, "zh-Hans"}, // Chinese (Simplified)
BCP47FromLanguageId{0x0807, "de-CH"}, // German
BCP47FromLanguageId{0x0809, "en-GB"}, // English
BCP47FromLanguageId{0x080a, "es-MX"}, // Spanish
BCP47FromLanguageId{0x080c, "fr-BE"}, // French
BCP47FromLanguageId{0x0810, "it-CH"}, // Italian
BCP47FromLanguageId{0x0813, "nl-BE"}, // Dutch
BCP47FromLanguageId{0x0814, "nn-NO"}, // Norwegian (Nynorsk)
BCP47FromLanguageId{0x0816, "pt-PT"}, // Portuguese
BCP47FromLanguageId{0x081a, "sr-Latn-CS"}, // Serbian (Latin)
BCP47FromLanguageId{0x081d, "sv-FI"}, // Swedish
BCP47FromLanguageId{0x082c, "az-Cyrl-AZ"}, // Azeri (Cyrillic)
BCP47FromLanguageId{0x082e, "dsb-DE"}, // Lower Sorbian
BCP47FromLanguageId{0x082e, "dsb"}, // Lower Sorbian
BCP47FromLanguageId{0x083b, "se-SE"}, // Sami (Northern)
BCP47FromLanguageId{0x083c, "ga-IE"}, // Irish
BCP47FromLanguageId{0x083e, "ms-BN"}, // Malay
BCP47FromLanguageId{0x0843, "uz-Cyrl-UZ"}, // Uzbek (Cyrillic)
BCP47FromLanguageId{0x0845, "bn-BD"}, // Bengali
BCP47FromLanguageId{0x0850, "mn-Mong-CN"}, // Mongolian (Traditional Mongolian)
BCP47FromLanguageId{0x085d, "iu-Latn-CA"}, // Inuktitut (Latin)
BCP47FromLanguageId{0x085f, "tzm-Latn-DZ"}, // Tamazight (Latin)
BCP47FromLanguageId{0x086b, "quz-EC"}, // Quechua
BCP47FromLanguageId{0x0c01, "ar-EG"}, // Arabic
BCP47FromLanguageId{0x0c04, "zh-Hant"}, // Chinese (Traditional)
BCP47FromLanguageId{0x0c07, "de-AT"}, // German
BCP47FromLanguageId{0x0c09, "en-AU"}, // English
BCP47FromLanguageId{0x0c0a, "es-ES"}, // Spanish
BCP47FromLanguageId{0x0c0c, "fr-CA"}, // French
BCP47FromLanguageId{0x0c1a, "sr-Cyrl-CS"}, // Serbian (Cyrillic)
BCP47FromLanguageId{0x0c3b, "se-FI"}, // Sami (Northern)
BCP47FromLanguageId{0x0c6b, "quz-PE"}, // Quechua
BCP47FromLanguageId{0x1001, "ar-LY"}, // Arabic
BCP47FromLanguageId{0x1004, "zh-SG"}, // Chinese (Simplified)
BCP47FromLanguageId{0x1007, "de-LU"}, // German
BCP47FromLanguageId{0x1009, "en-CA"}, // English
BCP47FromLanguageId{0x100a, "es-GT"}, // Spanish
BCP47FromLanguageId{0x100c, "fr-CH"}, // French
BCP47FromLanguageId{0x101a, "hr-BA"}, // Croatian (Latin)
BCP47FromLanguageId{0x103b, "smj-NO"}, // Sami (Lule)
BCP47FromLanguageId{0x1401, "ar-DZ"}, // Arabic
BCP47FromLanguageId{0x1404, "zh-MO"}, // Chinese (Traditional)
BCP47FromLanguageId{0x1407, "de-LI"}, // German
BCP47FromLanguageId{0x1409, "en-NZ"}, // English
BCP47FromLanguageId{0x140a, "es-CR"}, // Spanish
BCP47FromLanguageId{0x140c, "fr-LU"}, // French
BCP47FromLanguageId{0x141a, "bs-Latn-BA"}, // Bosnian (Latin)
BCP47FromLanguageId{0x141a, "bs"}, // Bosnian
BCP47FromLanguageId{0x143b, "smj-SE"}, // Sami (Lule)
BCP47FromLanguageId{0x143b, "smj"}, // Sami (Lule)
BCP47FromLanguageId{0x1801, "ar-MA"}, // Arabic
BCP47FromLanguageId{0x1809, "en-IE"}, // English
BCP47FromLanguageId{0x180a, "es-PA"}, // Spanish
BCP47FromLanguageId{0x180c, "fr-MC"}, // French
BCP47FromLanguageId{0x181a, "sr-Latn-BA"}, // Serbian (Latin)
BCP47FromLanguageId{0x183b, "sma-NO"}, // Sami (Southern)
BCP47FromLanguageId{0x1c01, "ar-TN"}, // Arabic
BCP47FromLanguageId{0x1c09, "en-ZA"}, // English
BCP47FromLanguageId{0x1c0a, "es-DO"}, // Spanish
BCP47FromLanguageId{0x1c1a, "sr-Cyrl-BA"}, // Serbian (Cyrillic)
BCP47FromLanguageId{0x1c3b, "sma-SE"}, // Sami (Southern)
BCP47FromLanguageId{0x1c3b, "sma"}, // Sami (Southern)
BCP47FromLanguageId{0x2001, "ar-OM"}, // Arabic
BCP47FromLanguageId{0x2009, "en-JM"}, // English
BCP47FromLanguageId{0x200a, "es-VE"}, // Spanish
BCP47FromLanguageId{0x201a, "bs-Cyrl-BA"}, // Bosnian (Cyrillic)
BCP47FromLanguageId{0x201a, "bs-Cyrl"}, // Bosnian (Cyrillic)
BCP47FromLanguageId{0x203b, "sms-FI"}, // Sami (Skolt)
BCP47FromLanguageId{0x203b, "sms"}, // Sami (Skolt)
BCP47FromLanguageId{0x2401, "ar-YE"}, // Arabic
BCP47FromLanguageId{0x2409, "en-029"}, // English
BCP47FromLanguageId{0x240a, "es-CO"}, // Spanish
BCP47FromLanguageId{0x241a, "sr-Latn-RS"}, // Serbian (Latin)
BCP47FromLanguageId{0x243b, "smn-FI"}, // Sami (Inari)
BCP47FromLanguageId{0x2801, "ar-SY"}, // Arabic
BCP47FromLanguageId{0x2809, "en-BZ"}, // English
BCP47FromLanguageId{0x280a, "es-PE"}, // Spanish
BCP47FromLanguageId{0x281a, "sr-Cyrl-RS"}, // Serbian (Cyrillic)
BCP47FromLanguageId{0x2c01, "ar-JO"}, // Arabic
BCP47FromLanguageId{0x2c09, "en-TT"}, // English
BCP47FromLanguageId{0x2c0a, "es-AR"}, // Spanish
BCP47FromLanguageId{0x2c1a, "sr-Latn-ME"}, // Serbian (Latin)
BCP47FromLanguageId{0x3001, "ar-LB"}, // Arabic
BCP47FromLanguageId{0x3009, "en-ZW"}, // English
BCP47FromLanguageId{0x300a, "es-EC"}, // Spanish
BCP47FromLanguageId{0x301a, "sr-Cyrl-ME"}, // Serbian (Cyrillic)
BCP47FromLanguageId{0x3401, "ar-KW"}, // Arabic
BCP47FromLanguageId{0x3409, "en-PH"}, // English
BCP47FromLanguageId{0x340a, "es-CL"}, // Spanish
BCP47FromLanguageId{0x3801, "ar-AE"}, // Arabic
BCP47FromLanguageId{0x380a, "es-UY"}, // Spanish
BCP47FromLanguageId{0x3c01, "ar-BH"}, // Arabic
BCP47FromLanguageId{0x3c0a, "es-PY"}, // Spanish
BCP47FromLanguageId{0x4001, "ar-QA"}, // Arabic
BCP47FromLanguageId{0x4009, "en-IN"}, // English
BCP47FromLanguageId{0x400a, "es-BO"}, // Spanish
BCP47FromLanguageId{0x4409, "en-MY"}, // English
BCP47FromLanguageId{0x440a, "es-SV"}, // Spanish
BCP47FromLanguageId{0x4809, "en-SG"}, // English
BCP47FromLanguageId{0x480a, "es-HN"}, // Spanish
BCP47FromLanguageId{0x4c0a, "es-NI"}, // Spanish
BCP47FromLanguageId{0x500a, "es-PR"}, // Spanish
BCP47FromLanguageId{0x540a, "es-US"}, // Spanish
});
namespace {
bool BCP47FromLanguageIdLess(const BCP47FromLanguageId& a, const BCP47FromLanguageId& b) {
return a.languageID < b.languageID;
}
} // namespace
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.data(), std::size(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;
}