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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsEncoderDecoderUtils.h"
#include "nsISupportsImpl.h"
#include "mozilla/dom/EncodingUtils.h"
using mozilla::dom::EncodingUtils;
void
nsHtml5MetaScanner::sniff(nsHtml5ByteReadable* bytes, nsACString& charset)
{
readable = bytes;
stateLoop(stateSave);
readable = nullptr;
charset.Assign(mCharset);
}
bool
nsHtml5MetaScanner::tryCharset(nsHtml5String charset)
{
// This code needs to stay in sync with
// nsHtml5StreamParser::internalEncodingDeclaration. Unfortunately, the
// trickery with member fields here leads to some copy-paste reuse. :-(
nsAutoCString label;
nsString charset16; // Not Auto, because using it to hold nsStringBuffer*
charset.ToString(charset16);
CopyUTF16toUTF8(charset16, label);
nsAutoCString encoding;
if (!EncodingUtils::FindEncodingForLabel(label, encoding)) {
return false;
}
if (encoding.EqualsLiteral("UTF-16BE") ||
encoding.EqualsLiteral("UTF-16LE")) {
mCharset.AssignLiteral("UTF-8");
return true;
}
if (encoding.EqualsLiteral("x-user-defined")) {
// WebKit/Blink hack for Indian and Armenian legacy sites
mCharset.AssignLiteral("windows-1252");
return true;
}
mCharset.Assign(encoding);
return true;
}
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