зеркало из https://github.com/mozilla/gecko-dev.git
46 строки
1.3 KiB
C
46 строки
1.3 KiB
C
/* 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 "nsEncoderDecoderUtils.h"
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#include "nsISupportsImpl.h"
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#include "mozilla/dom/EncodingUtils.h"
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using mozilla::dom::EncodingUtils;
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void
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nsHtml5MetaScanner::sniff(nsHtml5ByteReadable* bytes, nsACString& charset)
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{
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readable = bytes;
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stateLoop(stateSave);
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readable = nullptr;
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charset.Assign(mCharset);
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}
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bool
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nsHtml5MetaScanner::tryCharset(nsString* charset)
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{
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// This code needs to stay in sync with
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// nsHtml5StreamParser::internalEncodingDeclaration. Unfortunately, the
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// trickery with member fields here leads to some copy-paste reuse. :-(
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nsAutoCString label;
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CopyUTF16toUTF8(*charset, label);
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nsAutoCString encoding;
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if (!EncodingUtils::FindEncodingForLabel(label, encoding)) {
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return false;
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}
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if (encoding.EqualsLiteral("UTF-16BE") ||
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encoding.EqualsLiteral("UTF-16LE")) {
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mCharset.AssignLiteral("UTF-8");
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return true;
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}
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if (encoding.EqualsLiteral("x-user-defined")) {
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// WebKit/Blink hack for Indian and Armenian legacy sites
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mCharset.AssignLiteral("windows-1252");
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return true;
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}
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mCharset.Assign(encoding);
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return true;
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}
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