mirror of
https://github.com/boykopovar/AnyPS5.git
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MarcZX10
b9f716124d
A script decides first (zh-Hant is Traditional, zh-Hans Simplified, also against a contradicting region such as zh-Hans-TW), then the region (TW, HK and MO are Traditional), and a bare zh is Simplified. Mandarin (cmn) follows the same rules and Cantonese (yue) is Traditional unless it names Hans.
240 lines
7.9 KiB
C++
240 lines
7.9 KiB
C++
#ifndef CORE_LIBS_PRX_LIBSCESYSTEMSERVICE_LANGUAGELOCALE_HPP
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#define CORE_LIBS_PRX_LIBSCESYSTEMSERVICE_LANGUAGELOCALE_HPP
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#include <cstddef>
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#include <span>
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#include <string>
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#include <string_view>
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#include <utility>
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namespace SystemServiceLocale {
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struct Tag {
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std::string language;
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std::string script;
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std::string region;
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};
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enum ConsoleLanguage : int {
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Japanese = 0,
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EnglishUs = 1,
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French = 2,
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Spanish = 3,
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German = 4,
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Italian = 5,
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Dutch = 6,
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PortuguesePortugal = 7,
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Russian = 8,
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Korean = 9,
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ChineseTraditional = 10,
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ChineseSimplified = 11,
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Finnish = 12,
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Swedish = 13,
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Danish = 14,
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Norwegian = 15,
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Polish = 16,
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PortugueseBrazil = 17,
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EnglishUk = 18,
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Turkish = 19,
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SpanishLatinAmerica = 20,
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Arabic = 21,
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FrenchCanada = 22,
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Czech = 23,
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Hungarian = 24,
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Greek = 25,
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Romanian = 26,
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Thai = 27,
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Vietnamese = 28,
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Indonesian = 29,
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Ukrainian = 30,
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};
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constexpr int NoConsoleLanguage = -1;
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struct Row {
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std::string_view language;
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std::string_view script;
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std::string_view region;
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int id;
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};
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namespace Detail {
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constexpr bool IsAlpha(char c) { return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); }
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constexpr bool IsDigit(char c) { return c >= '0' && c <= '9'; }
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constexpr char Lower(char c) { return c >= 'A' && c <= 'Z' ? static_cast<char>(c - 'A' + 'a') : c; }
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constexpr char Upper(char c) { return c >= 'a' && c <= 'z' ? static_cast<char>(c - 'a' + 'A') : c; }
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constexpr bool AllOf(std::string_view text, bool (*predicate)(char)) {
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for (char c : text) {
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if (!predicate(c)) return false;
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}
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return true;
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}
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constexpr bool IsAlphanumeric(char c) { return IsAlpha(c) || IsDigit(c); }
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constexpr bool EqualsIgnoringCase(std::string_view left, std::string_view right) {
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if (left.size() != right.size()) return false;
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for (std::size_t i = 0; i < left.size(); ++i) {
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if (Lower(left[i]) != Lower(right[i])) return false;
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}
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return true;
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}
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inline constexpr Row LatinEuropeanRows[] = {
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{"en", "", "", EnglishUs},
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{"en", "", "GB", EnglishUk},
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{"en", "", "IE", EnglishUk},
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{"en", "", "AU", EnglishUk},
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{"en", "", "NZ", EnglishUk},
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{"fr", "", "", French},
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{"fr", "", "CA", FrenchCanada},
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{"de", "", "", German},
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{"it", "", "", Italian},
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{"nl", "", "", Dutch},
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{"ro", "", "", Romanian},
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{"mo", "", "", Romanian},
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};
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inline constexpr Row IberianRows[] = {
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{"es", "", "", Spanish},
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{"es", "", "419", SpanishLatinAmerica},
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{"es", "", "MX", SpanishLatinAmerica},
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{"es", "", "AR", SpanishLatinAmerica},
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{"es", "", "BO", SpanishLatinAmerica},
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{"es", "", "CL", SpanishLatinAmerica},
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{"es", "", "CO", SpanishLatinAmerica},
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{"es", "", "CR", SpanishLatinAmerica},
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{"es", "", "CU", SpanishLatinAmerica},
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{"es", "", "DO", SpanishLatinAmerica},
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{"es", "", "EC", SpanishLatinAmerica},
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{"es", "", "GT", SpanishLatinAmerica},
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{"es", "", "HN", SpanishLatinAmerica},
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{"es", "", "NI", SpanishLatinAmerica},
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{"es", "", "PA", SpanishLatinAmerica},
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{"es", "", "PE", SpanishLatinAmerica},
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{"es", "", "PR", SpanishLatinAmerica},
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{"es", "", "PY", SpanishLatinAmerica},
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{"es", "", "SV", SpanishLatinAmerica},
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{"es", "", "US", SpanishLatinAmerica},
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{"es", "", "UY", SpanishLatinAmerica},
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{"es", "", "VE", SpanishLatinAmerica},
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{"pt", "", "", PortugueseBrazil},
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{"pt", "", "PT", PortuguesePortugal},
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{"pt", "", "AO", PortuguesePortugal},
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{"pt", "", "MZ", PortuguesePortugal},
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{"pt", "", "CV", PortuguesePortugal},
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{"pt", "", "GW", PortuguesePortugal},
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{"pt", "", "ST", PortuguesePortugal},
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{"pt", "", "TL", PortuguesePortugal},
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{"pt", "", "MO", PortuguesePortugal},
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};
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inline constexpr Row ChineseRows[] = {
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{"zh", "", "", ChineseSimplified},
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{"zh", "Hans", "", ChineseSimplified},
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{"zh", "Hant", "", ChineseTraditional},
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{"zh", "", "TW", ChineseTraditional},
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{"zh", "", "HK", ChineseTraditional},
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{"zh", "", "MO", ChineseTraditional},
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{"cmn", "", "", ChineseSimplified},
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{"cmn", "Hant", "", ChineseTraditional},
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{"cmn", "", "TW", ChineseTraditional},
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{"yue", "", "", ChineseTraditional},
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{"yue", "Hans", "", ChineseSimplified},
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};
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inline constexpr std::span<const Row> RowGroups[] = {
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LatinEuropeanRows,
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IberianRows,
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ChineseRows,
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};
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}
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inline bool ParseTag(std::string_view text, Tag& tag) {
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Tag parsed;
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std::size_t index = 0;
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bool seenScript = false;
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bool seenRegion = false;
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bool tail = false;
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std::size_t position = 0;
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while (true) {
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const std::size_t end = text.find('-', position);
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const std::string_view subtag = text.substr(position, end == std::string_view::npos ? std::string_view::npos : end - position);
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if (subtag.empty() || subtag.size() > 8 || !Detail::AllOf(subtag, Detail::IsAlphanumeric)) return false;
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if (index == 0) {
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if ((subtag.size() != 2 && subtag.size() != 3) || !Detail::AllOf(subtag, Detail::IsAlpha)) return false;
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for (char c : subtag) parsed.language += Detail::Lower(c);
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} else if (!tail) {
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if (subtag.size() == 1) {
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tail = true;
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} else if (!seenScript && !seenRegion && subtag.size() == 4 && Detail::AllOf(subtag, Detail::IsAlpha)) {
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seenScript = true;
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parsed.script += Detail::Upper(subtag[0]);
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for (std::size_t i = 1; i < subtag.size(); ++i) parsed.script += Detail::Lower(subtag[i]);
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} else if (!seenRegion && ((subtag.size() == 2 && Detail::AllOf(subtag, Detail::IsAlpha)) || (subtag.size() == 3 && Detail::AllOf(subtag, Detail::IsDigit)))) {
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seenRegion = true;
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for (char c : subtag) parsed.region += Detail::Upper(c);
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} else {
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tail = true;
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}
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}
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++index;
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if (end == std::string_view::npos) break;
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position = end + 1;
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}
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tag = std::move(parsed);
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return true;
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}
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inline std::string NormalizePosixLocale(std::string_view text) {
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std::string_view modifier;
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if (const std::size_t at = text.find('@'); at != std::string_view::npos) {
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modifier = text.substr(at + 1);
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text = text.substr(0, at);
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}
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text = text.substr(0, text.find('.'));
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std::string name;
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for (char c : text) name += c == '_' ? '-' : c;
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if (name.empty() || Detail::EqualsIgnoringCase(name, "C") || Detail::EqualsIgnoringCase(name, "POSIX")) return {};
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std::string_view script;
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if (Detail::EqualsIgnoringCase(modifier, "latin")) script = "Latn";
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if (Detail::EqualsIgnoringCase(modifier, "cyrillic")) script = "Cyrl";
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if (!script.empty()) {
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const std::size_t dash = name.find('-');
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const std::string_view second = dash == std::string::npos ? std::string_view{} : std::string_view(name).substr(dash + 1, 4);
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const bool hasScript = second.size() == 4 && Detail::AllOf(second, Detail::IsAlpha) && (dash + 5 == name.size() || name[dash + 5] == '-');
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if (!hasScript) name.insert(dash == std::string::npos ? name.size() : dash, std::string("-") + std::string(script));
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}
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return name;
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}
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inline bool ParseLocale(std::string_view text, Tag& tag) {
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const std::string normalised = NormalizePosixLocale(text);
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return !normalised.empty() && ParseTag(normalised, tag);
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}
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inline int ConsoleLanguageForTag(const Tag& tag) {
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int best = NoConsoleLanguage;
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int bestScore = -1;
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for (const std::span<const Row> group : Detail::RowGroups) {
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for (const Row& row : group) {
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if (row.language != tag.language) continue;
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if (!row.script.empty() && row.script != tag.script) continue;
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if (!row.region.empty() && row.region != tag.region) continue;
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const int score = (row.script.empty() ? 0 : 2) + (row.region.empty() ? 0 : 1);
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if (score > bestScore) {
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best = row.id;
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bestScore = score;
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}
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}
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}
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return best;
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}
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}
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#endif
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