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32 #include "LocaleToScriptMapping.h"
34 #include <wtf/HashMap.h>
35 #include <wtf/HashSet.h>
36 #include <wtf/text/StringHash.h>
40 UScriptCode localeToScriptCodeForFontSelection(const String& locale)
47 // FIXME: Add all languages from ICU.
48 static const LocaleScript localeScriptList[] = {
49 { "ja", USCRIPT_KATAKANA_OR_HIRAGANA },
50 { "ko", USCRIPT_HANGUL },
51 { "ru", USCRIPT_CYRILLIC },
52 { "zh", USCRIPT_HAN },
53 { "zh_cn", USCRIPT_SIMPLIFIED_HAN },
54 { "zh_hans", USCRIPT_SIMPLIFIED_HAN },
55 { "zh_hant", USCRIPT_TRADITIONAL_HAN },
56 { "zh_hk", USCRIPT_TRADITIONAL_HAN },
57 { "zh_tw", USCRIPT_TRADITIONAL_HAN }
60 typedef HashMap<String, UScriptCode> LocaleScriptMap;
61 DEFINE_STATIC_LOCAL(LocaleScriptMap, localeScriptMap, ());
62 if (localeScriptMap.isEmpty()) {
63 for (size_t i = 0; i < sizeof(localeScriptList) / sizeof(localeScriptList[0]); ++i)
64 localeScriptMap.set(localeScriptList[i].locale, localeScriptList[i].script);
67 String canonicalLocale = locale.lower().replace('-', '_');
68 while (!canonicalLocale.isEmpty()) {
69 HashMap<String, UScriptCode>::iterator it = localeScriptMap.find(canonicalLocale);
70 if (it != localeScriptMap.end())
72 size_t pos = canonicalLocale.reverseFind('_');
75 canonicalLocale = canonicalLocale.substring(0, pos);
77 return USCRIPT_COMMON;
80 } // namespace WebCore