Examples with LanguageTag com.github.anba.es6draft.runtime.objects.intl.LanguageTagParser.LanguageTag used on opensource projects

Example 1 with LanguageTag

use of com.github.anba.es6draft.runtime.objects.intl.LanguageTagParser.LanguageTag in project es6draft by anba.

the class IntlAbstractOperations method ResolveLocale.

/**
     * 9.2.6 ResolveLocale (availableLocales, requestedLocales, options, relevantExtensionKeys, localeData)
     * 
     * @param realm
     *            the realm instance
     * @param availableLocales
     *            the set of available locales
     * @param requestedLocales
     *            the set of requested locales
     * @param options
     *            the options record
     * @param relevantExtensionKeys
     *            the list of relevant extension keys
     * @param localeData
     *            the locale data
     * @return the resolved locale
     */
public static ResolvedLocale ResolveLocale(Realm realm, Lazy<Set<String>> availableLocales, Set<String> requestedLocales, OptionsRecord options, List<ExtensionKey> relevantExtensionKeys, LocaleData localeData) {
    /* steps 1-4 */
    OptionsRecord.MatcherType matcher = options.getLocaleMatcher();
    LocaleMatch r;
    if (matcher == OptionsRecord.MatcherType.Lookup) {
        r = LookupMatcher(realm, availableLocales, requestedLocales);
    } else {
        r = BestFitMatcher(realm, availableLocales, requestedLocales);
    }
    // fast path for steps 5-16
    String extension = r.getExtension();
    if (extension.isEmpty() && options.size() == 0) {
        return ResolveLocaleNoExtension(r, relevantExtensionKeys, localeData);
    }
    /* step 5 */
    String foundLocale = r.getLocale();
    LocaleDataInfo foundLocaleData = localeData.info(ULocale.forLanguageTag(foundLocale));
    /* step 6 */
    EnumMap<ExtensionKey, String> extensionSubtags = null;
    if (!extension.isEmpty()) {
        extensionSubtags = UnicodeExtensionSubtags(extension);
    }
    /* steps 7-8 (not applicable) */
    /* step 9 */
    StringBuilder supportedExtension = new StringBuilder("-u");
    /* steps 10-13 */
    EnumMap<ExtensionKey, String> values = new EnumMap<>(ExtensionKey.class);
    for (ExtensionKey key : relevantExtensionKeys) {
        /* steps 13.a-b (not applicable) */
        /* step 13.c */
        List<String> keyLocaleData = foundLocaleData.entries(key);
        /* step 13.d */
        String value = keyLocaleData.get(0);
        /* step 13.e */
        String supportedExtensionAddition = "";
        /* steps 13.f, 13.f.i-ii */
        if (extensionSubtags != null && extensionSubtags.containsKey(key)) {
            /* steps 13.f.ii.1-2 */
            if (!extensionSubtags.get(key).isEmpty()) {
                /* step 13.f.ii.1 */
                String requestedValue = extensionSubtags.get(key);
                if (keyLocaleData.contains(requestedValue)) {
                    value = requestedValue;
                    supportedExtensionAddition = "-" + key.name() + "-" + value;
                }
            } else if (keyLocaleData.contains("true")) {
                /* step 13.f.ii.2 */
                value = "true";
            }
        }
        /* step 13.g */
        if (options.contains(key)) {
            /* step 13.g.i */
            String optionsValue = options.get(key);
            /* step 13.g.ii */
            if (keyLocaleData.contains(optionsValue) && !optionsValue.equals(value)) {
                value = optionsValue;
                supportedExtensionAddition = "";
            }
        }
        /* step 13.h */
        values.put(key, value);
        /* step 13.i */
        supportedExtension.append(supportedExtensionAddition);
    /* step 13.j (not applicable) */
    }
    /* step 14 */
    if (supportedExtension.length() > 2) {
        // FIXME: spec bug - https://bugs.ecmascript.org/show_bug.cgi?id=1456
        /* step 14.a */
        int privateIndex = foundLocale.indexOf("-x-");
        /* steps 14.b-c */
        if (privateIndex == -1) {
            /* step 14.b */
            foundLocale += supportedExtension;
        } else {
            /* step 14.c */
            /* step 14.c.i */
            String preExtension = foundLocale.substring(0, privateIndex);
            /* step 14.c.ii */
            String postExtension = foundLocale.substring(privateIndex);
            /* step 14.c.iii */
            foundLocale = preExtension + supportedExtension + postExtension;
        }
        /* step 14.d */
        LanguageTag languageTag = IsStructurallyValidLanguageTag(foundLocale);
        assert languageTag != null : foundLocale;
        /* step 14.e */
        foundLocale = CanonicalizeLanguageTag(languageTag);
    }
    /* steps 15-16 */
    return new ResolvedLocale(r.getLocale(), foundLocale, values);
}

Example 2 with LanguageTag

use of com.github.anba.es6draft.runtime.objects.intl.LanguageTagParser.LanguageTag in project es6draft by anba.

the class IntlAbstractOperations method sanitizeLanguageTag.

private static String sanitizeLanguageTag(String languageTag) {
    LanguageTag tag = IsStructurallyValidLanguageTag(languageTag);
    if (tag == null) {
        return DEFAULT_LOCALE;
    }
    String locale = RemoveUnicodeLocaleExtension(tag.canonicalize());
    locale = BestLocale(GetAvailableLocales(LanguageData.getAvailableCollatorLocales()), locale);
    if (locale == null) {
        return DEFAULT_LOCALE;
    }
    locale = BestLocale(GetAvailableLocales(LanguageData.getAvailableDateFormatLocales()), locale);
    if (locale == null) {
        return DEFAULT_LOCALE;
    }
    locale = BestLocale(GetAvailableLocales(LanguageData.getAvailableNumberFormatLocales()), locale);
    if (locale == null) {
        return DEFAULT_LOCALE;
    }
    return locale;
}

Example 3 with LanguageTag

use of com.github.anba.es6draft.runtime.objects.intl.LanguageTagParser.LanguageTag in project es6draft by anba.

the class IntlAbstractOperations method CanonicalizeLocaleList.

/**
     * 9.2.1 CanonicalizeLocaleList (locales)
     * 
     * @param cx
     *            the execution context
     * @param locales
     *            the locales array
     * @return the set of canonicalized locales
     */
public static Set<String> CanonicalizeLocaleList(ExecutionContext cx, Object locales) {
    /* step 1 */
    if (Type.isUndefined(locales)) {
        return emptySet();
    }
    /* steps 2-8 (string only) */
    if (Type.isString(locales)) {
        // handle the string-only case directly
        String tag = ToFlatString(cx, locales);
        LanguageTag langTag = IsStructurallyValidLanguageTag(tag);
        if (langTag == null) {
            throw newRangeError(cx, Messages.Key.IntlStructurallyInvalidLanguageTag, tag);
        }
        tag = CanonicalizeLanguageTag(langTag);
        return singleton(tag);
    }
    /* step 2 */
    LinkedHashSet<String> seen = new LinkedHashSet<>();
    /* step 3 (not applicable) */
    /* step 4 */
    ScriptObject o = ToObject(cx, locales);
    /* step 5 */
    long len = ToLength(cx, Get(cx, o, "length"));
    /* steps 6-7 */
    for (long k = 0; k < len; ++k) {
        /* step 7.a */
        long pk = k;
        /* step 7.b */
        boolean kPresent = HasProperty(cx, o, pk);
        /* step 7.c */
        if (kPresent) {
            /* step 7.c.i */
            Object kValue = Get(cx, o, pk);
            /* step 7.c.ii */
            if (!(Type.isString(kValue) || Type.isObject(kValue))) {
                throw newTypeError(cx, Messages.Key.IntlInvalidLanguageTagType, Type.of(kValue).toString());
            }
            /* step 7.c.iii */
            String tag = ToFlatString(cx, kValue);
            /* step 7.c.iv */
            LanguageTag langTag = IsStructurallyValidLanguageTag(tag);
            if (langTag == null) {
                throw newRangeError(cx, Messages.Key.IntlStructurallyInvalidLanguageTag, tag);
            }
            /* step 7.c.v */
            tag = CanonicalizeLanguageTag(langTag);
            /* step 7.c.vi */
            seen.add(tag);
        }
    }
    /* step 8 */
    return seen;
}