зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.2 KiB
C++
79 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode:nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Quotes.h"
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#include "MozLocale.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/StaticPtr.h"
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#include "nsDataHashtable.h"
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#include "nsPrintfCString.h"
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using namespace mozilla;
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using namespace mozilla::intl;
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namespace {
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struct LangQuotesRec {
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const char* mLangs;
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Quotes mQuotes;
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};
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#include "cldr-quotes.inc"
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static StaticAutoPtr<nsDataHashtable<nsCStringHashKey, Quotes>> sQuotesForLang;
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} // anonymous namespace
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namespace mozilla {
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namespace intl {
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const Quotes* QuotesForLang(const nsAtom* aLang) {
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MOZ_ASSERT(NS_IsMainThread());
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// On first use, initialize the hashtable from our CLDR-derived data array.
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if (!sQuotesForLang) {
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sQuotesForLang = new nsDataHashtable<nsCStringHashKey, Quotes>(32);
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ClearOnShutdown(&sQuotesForLang);
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for (const auto& i : sLangQuotes) {
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const char* s = i.mLangs;
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size_t len;
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while ((len = strlen(s))) {
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sQuotesForLang->Put(nsDependentCString(s, len), i.mQuotes);
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s += len + 1;
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}
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}
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}
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nsAtomCString langStr(aLang);
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const Quotes* entry = sQuotesForLang->GetValue(langStr);
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if (entry) {
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// Found an exact match for the requested lang.
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return entry;
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}
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// Try parsing lang as a Locale (which will also canonicalize case of the
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// subtags), then see if we can match it with region or script subtags,
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// if present, or just the primary language tag.
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Locale loc(langStr);
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if (loc.IsWellFormed()) {
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if (!loc.GetRegion().IsEmpty() &&
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(entry = sQuotesForLang->GetValue(nsPrintfCString(
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"%s-%s", loc.GetLanguage().get(), loc.GetRegion().get())))) {
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return entry;
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}
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if (!loc.GetScript().IsEmpty() &&
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(entry = sQuotesForLang->GetValue(nsPrintfCString(
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"%s-%s", loc.GetLanguage().get(), loc.GetScript().get())))) {
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return entry;
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}
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if ((entry = sQuotesForLang->GetValue(loc.GetLanguage()))) {
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return entry;
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}
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}
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return nullptr;
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}
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} // namespace intl
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} // namespace mozilla
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