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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.
*/
#ifndef MarkupTokenizerInlines_h
#define MarkupTokenizerInlines_h
#include "platform/text/SegmentedString.h"
namespace blink {
inline bool isTokenizerWhitespace(UChar cc) {
return cc == ' ' || cc == '\x0A' || cc == '\x09' || cc == '\x0C';
}
inline void advanceStringAndASSERTIgnoringCase(SegmentedString& source,
const char* expectedCharacters) {
while (*expectedCharacters)
source.advanceAndASSERTIgnoringCase(*expectedCharacters++);
}
inline void advanceStringAndASSERT(SegmentedString& source,
const char* expectedCharacters) {
while (*expectedCharacters)
source.advanceAndASSERT(*expectedCharacters++);
}
#if COMPILER(MSVC)
// We need to disable the "unreachable code" warning because we want to assert
// that some code points aren't reached in the state machine.
#pragma warning(disable : 4702)
#endif
#define BEGIN_STATE(prefix, stateName) \
case prefix::stateName: \
stateName:
#define END_STATE() \
NOTREACHED(); \
break;
// We use this macro when the HTML5 spec says "reconsume the current input
// character in the <mumble> state."
#define RECONSUME_IN(prefix, stateName) \
do { \
m_state = prefix::stateName; \
goto stateName; \
} while (false)
// We use this macro when the HTML5 spec says "consume the next input
// character ... and switch to the <mumble> state."
#define ADVANCE_TO(prefix, stateName) \
do { \
m_state = prefix::stateName; \
if (!m_inputStreamPreprocessor.advance(source)) \
return haveBufferedCharacterToken(); \
cc = m_inputStreamPreprocessor.nextInputCharacter(); \
goto stateName; \
} while (false)
// Sometimes there's more complicated logic in the spec that separates when
// we consume the next input character and when we switch to a particular
// state. We handle those cases by advancing the source directly and using
// this macro to switch to the indicated state.
#define SWITCH_TO(prefix, stateName) \
do { \
m_state = prefix::stateName; \
if (source.isEmpty() || !m_inputStreamPreprocessor.peek(source)) \
return haveBufferedCharacterToken(); \
cc = m_inputStreamPreprocessor.nextInputCharacter(); \
goto stateName; \
} while (false)
} // namespace blink
#endif // MarkupTokenizerInlines_h
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