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https://github.com/flutter/flutter.git
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96 lines
4.3 KiB
C++
96 lines
4.3 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All Rights Reserved.
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* Copyright (C) 2009 Torch Mobile, Inc. http://www.torchmobile.com/
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* Copyright (C) 2010 Google, Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef MarkupTokenizerInlines_h
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#define MarkupTokenizerInlines_h
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#include "platform/text/SegmentedString.h"
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namespace blink {
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inline bool isTokenizerWhitespace(UChar cc)
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{
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return cc == ' ' || cc == '\x0A' || cc == '\x09' || cc == '\x0C';
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}
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inline void advanceStringAndASSERTIgnoringCase(SegmentedString& source, const char* expectedCharacters)
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{
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while (*expectedCharacters)
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source.advanceAndASSERTIgnoringCase(*expectedCharacters++);
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}
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inline void advanceStringAndASSERT(SegmentedString& source, const char* expectedCharacters)
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{
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while (*expectedCharacters)
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source.advanceAndASSERT(*expectedCharacters++);
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}
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#if COMPILER(MSVC)
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// We need to disable the "unreachable code" warning because we want to assert
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// that some code points aren't reached in the state machine.
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#pragma warning(disable: 4702)
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#endif
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#define BEGIN_STATE(prefix, stateName) case prefix::stateName: stateName:
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#define END_STATE() ASSERT_NOT_REACHED(); break;
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// We use this macro when the HTML5 spec says "reconsume the current input
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// character in the <mumble> state."
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#define RECONSUME_IN(prefix, stateName) \
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do { \
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m_state = prefix::stateName; \
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goto stateName; \
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} while (false)
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// We use this macro when the HTML5 spec says "consume the next input
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// character ... and switch to the <mumble> state."
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#define ADVANCE_TO(prefix, stateName) \
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do { \
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m_state = prefix::stateName; \
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if (!m_inputStreamPreprocessor.advance(source)) \
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return haveBufferedCharacterToken(); \
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cc = m_inputStreamPreprocessor.nextInputCharacter(); \
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goto stateName; \
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} while (false)
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// Sometimes there's more complicated logic in the spec that separates when
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// we consume the next input character and when we switch to a particular
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// state. We handle those cases by advancing the source directly and using
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// this macro to switch to the indicated state.
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#define SWITCH_TO(prefix, stateName) \
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do { \
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m_state = prefix::stateName; \
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if (source.isEmpty() || !m_inputStreamPreprocessor.peek(source)) \
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return haveBufferedCharacterToken(); \
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cc = m_inputStreamPreprocessor.nextInputCharacter(); \
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goto stateName; \
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} while (false)
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}
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#endif // MarkupTokenizerInlines_h
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