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/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
* Copyright (C) 2009 Torch Mobile, Inc. http://www.torchmobile.com/
* Copyright (C) 2010 Google, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "XMLCharacterReferenceParser.h"
using namespace WTF;
#include "CharacterReferenceParserInlines.h"
namespace WebCore {
namespace {
class XMLCharacterReferenceParser {
public:
inline static UChar32 legalEntityFor(UChar32 value)
{
// FIXME: A number of specific entity values generate parse errors.
if (!value || value > 0x10FFFF || (value >= 0xD800 && value <= 0xDFFF))
return 0xFFFD;
return value;
}
inline static void convertToUTF16(UChar32 value, StringBuilder& decodedCharacter)
{
if (U_IS_BMP(value)) {
UChar character = static_cast<UChar>(value);
ASSERT(character == value);
decodedCharacter.append(character);
return;
}
decodedCharacter.append(U16_LEAD(value));
decodedCharacter.append(U16_TRAIL(value));
}
inline static bool acceptMalformed() { return false; }
inline static bool consumeNamedEntity(SegmentedString&, StringBuilder&, bool&, UChar, UChar&)
{
ASSERT_NOT_REACHED();
return false;
}
};
}
bool consumeXMLCharacterReference(SegmentedString& source, StringBuilder& decodedCharacter, bool& notEnoughCharacters)
{
return consumeCharacterReference<XMLCharacterReferenceParser>(source, decodedCharacter, notEnoughCharacters, 0);
}
} // namespace WebCore
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