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/*
* Copyright (C) 2013 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 HTMLToken_h
#define HTMLToken_h
#include <vector>
#include "ios/third_party/blink/src/html_tokenizer_adapter.h"
namespace WebCore {
class HTMLToken {
WTF_MAKE_NONCOPYABLE(HTMLToken);
public:
enum Type {
Uninitialized,
DOCTYPE,
StartTag,
EndTag,
Comment,
Character,
EndOfFile,
};
HTMLToken();
~HTMLToken();
void clear()
{
m_type = Uninitialized;
m_data.clear();
}
Type type() const { return m_type; }
void makeEndOfFile()
{
ASSERT(m_type == Uninitialized);
m_type = EndOfFile;
}
void appendToName(LChar character)
{
ASSERT(m_type == StartTag || m_type == EndTag || m_type == DOCTYPE);
ASSERT(character);
m_data.push_back(character);
}
bool nameEquals(const LChar* name, size_t length)
{
ASSERT(m_type == StartTag || m_type == EndTag || m_type == DOCTYPE);
if (length != m_data.size())
return false;
for (size_t index = 0; index < length; ++index) {
if (m_data.at(index) != name[index])
return false;
}
return true;
}
/* DOCTYPE Tokens */
void beginDOCTYPE()
{
ASSERT(m_type == Uninitialized);
m_type = DOCTYPE;
}
/* Start/End Tag Tokens */
void beginStartTag(LChar character)
{
ASSERT(character);
ASSERT(m_type == Uninitialized);
m_type = StartTag;
m_data.push_back(character);
}
void beginEndTag(LChar character)
{
ASSERT(m_type == Uninitialized);
m_type = EndTag;
m_data.push_back(character);
}
/* Character Tokens */
// Starting a character token works slightly differently than starting
// other types of tokens because we want to save a per-character branch.
void ensureIsCharacterToken()
{
ASSERT(m_type == Uninitialized || m_type == Character);
m_type = Character;
}
/* Comment Tokens */
void beginComment()
{
ASSERT(m_type == Uninitialized);
m_type = Comment;
}
private:
Type m_type;
std::vector<LChar> m_data;
};
}
#endif