/* | |
* Copyright (C) 2000 Peter Kelly (pmk@post.com) | |
* Copyright (C) 2005, 2006 Apple Computer, Inc. | |
* Copyright (C) 2007 Samuel Weinig (sam@webkit.org) | |
* | |
* This library is free software; you can redistribute it and/or | |
* modify it under the terms of the GNU Library General Public | |
* License as published by the Free Software Foundation; either | |
* version 2 of the License, or (at your option) any later version. | |
* | |
* This library is distributed in the hope that it will be useful, | |
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
* Library General Public License for more details. | |
* | |
* You should have received a copy of the GNU Library General Public License | |
* along with this library; see the file COPYING.LIB. If not, write to | |
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
* Boston, MA 02110-1301, USA. | |
* | |
*/ | |
#ifndef Tokenizer_h | |
#define Tokenizer_h | |
namespace WebCore { | |
class SegmentedString; | |
class XSSAuditor; | |
class Tokenizer : public Noncopyable { | |
public: | |
virtual ~Tokenizer() { } | |
// Script output must be prepended, while new data | |
// received during executing a script must be appended, hence the | |
// extra bool to be able to distinguish between both cases. | |
// document.write() always uses false, while the loader uses true. | |
virtual void write(const SegmentedString&, bool appendData) = 0; | |
virtual void finish() = 0; | |
virtual bool isWaitingForScripts() const = 0; | |
virtual void stopParsing() { m_parserStopped = true; } | |
virtual bool processingData() const { return false; } | |
virtual int executingScript() const { return 0; } | |
virtual bool wantsRawData() const { return false; } | |
virtual bool writeRawData(const char* /*data*/, int /*length*/) { return false; } | |
bool inViewSourceMode() const { return m_inViewSourceMode; } | |
void setInViewSourceMode(bool mode) { m_inViewSourceMode = mode; } | |
virtual bool wellFormed() const { return true; } | |
virtual int lineNumber() const { return -1; } | |
virtual int columnNumber() const { return -1; } | |
virtual void executeScriptsWaitingForStylesheets() {} | |
virtual bool isHTMLTokenizer() const { return false; } | |
XSSAuditor* xssAuditor() const { return m_XSSAuditor; } | |
void setXSSAuditor(XSSAuditor* auditor) { m_XSSAuditor = auditor; } | |
protected: | |
Tokenizer(bool viewSourceMode = false) | |
: m_parserStopped(false) | |
, m_inViewSourceMode(viewSourceMode) | |
, m_XSSAuditor(0) | |
{ | |
} | |
// The tokenizer has buffers, so parsing may continue even after | |
// it stops receiving data. We use m_parserStopped to stop the tokenizer | |
// even when it has buffered data. | |
bool m_parserStopped; | |
bool m_inViewSourceMode; | |
// The XSSAuditor associated with this tokenizer. | |
XSSAuditor* m_XSSAuditor; | |
}; | |
} // namespace WebCore | |
#endif // Tokenizer_h |