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/*
* This file is part of the XSL implementation.
*
* Copyright (C) 2004, 2006, 2008, 2012 Apple Inc. All rights reserved.
*
* 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 XSLStyleSheet_h
#define XSLStyleSheet_h
#if ENABLE(XSLT)
#include "ProcessingInstruction.h"
#include "StyleSheet.h"
#if !USE(QXMLQUERY)
#include <libxml/parser.h>
#include <libxslt/transform.h>
#endif
#include <wtf/PassRefPtr.h>
namespace WebCore {
class CachedResourceLoader;
class XSLImportRule;
class XSLStyleSheet : public StyleSheet {
public:
#if !USE(QXMLQUERY)
static PassRefPtr<XSLStyleSheet> create(XSLImportRule* parentImport, const String& originalURL, const KURL& finalURL)
{
return adoptRef(new XSLStyleSheet(parentImport, originalURL, finalURL));
}
#endif
static PassRefPtr<XSLStyleSheet> create(ProcessingInstruction* parentNode, const String& originalURL, const KURL& finalURL)
{
return adoptRef(new XSLStyleSheet(parentNode, originalURL, finalURL, false));
}
static PassRefPtr<XSLStyleSheet> createEmbedded(ProcessingInstruction* parentNode, const KURL& finalURL)
{
return adoptRef(new XSLStyleSheet(parentNode, finalURL.string(), finalURL, true));
}
// Taking an arbitrary node is unsafe, because owner node pointer can become stale.
// XSLTProcessor ensures that the stylesheet doesn't outlive its parent, in part by not exposing it to JavaScript.
static PassRefPtr<XSLStyleSheet> createForXSLTProcessor(Node* parentNode, const String& originalURL, const KURL& finalURL)
{
return adoptRef(new XSLStyleSheet(parentNode, originalURL, finalURL, false));
}
virtual ~XSLStyleSheet();
bool parseString(const String&);
void checkLoaded();
const KURL& finalURL() const { return m_finalURL; }
void loadChildSheets();
void loadChildSheet(const String& href);
CachedResourceLoader* cachedResourceLoader();
Document* ownerDocument();
virtual XSLStyleSheet* parentStyleSheet() const OVERRIDE { return m_parentStyleSheet; }
void setParentStyleSheet(XSLStyleSheet* parent);
#if USE(QXMLQUERY)
String sheetString() const { return m_sheetString; }
#else
xmlDocPtr document();
xsltStylesheetPtr compileStyleSheet();
xmlDocPtr locateStylesheetSubResource(xmlDocPtr parentDoc, const xmlChar* uri);
#endif
void clearDocuments();
void markAsProcessed();
bool processed() const { return m_processed; }
virtual String type() const OVERRIDE { return "text/xml"; }
virtual bool disabled() const OVERRIDE { return m_isDisabled; }
virtual void setDisabled(bool b) OVERRIDE { m_isDisabled = b; }
virtual Node* ownerNode() const OVERRIDE { return m_ownerNode; }
virtual String href() const OVERRIDE { return m_originalURL; }
virtual String title() const OVERRIDE { return emptyString(); }
virtual void clearOwnerNode() OVERRIDE { m_ownerNode = 0; }
virtual KURL baseURL() const OVERRIDE { return m_finalURL; }
virtual bool isLoading() const OVERRIDE;
virtual bool isXSLStyleSheet() const OVERRIDE { return true; }
private:
XSLStyleSheet(Node* parentNode, const String& originalURL, const KURL& finalURL, bool embedded);
#if !USE(QXMLQUERY)
XSLStyleSheet(XSLImportRule* parentImport, const String& originalURL, const KURL& finalURL);
#endif
Node* m_ownerNode;
String m_originalURL;
KURL m_finalURL;
bool m_isDisabled;
Vector<OwnPtr<XSLImportRule> > m_children;
bool m_embedded;
bool m_processed;
#if USE(QXMLQUERY)
String m_sheetString;
#else
xmlDocPtr m_stylesheetDoc;
bool m_stylesheetDocTaken;
#endif
XSLStyleSheet* m_parentStyleSheet;
};
} // namespace WebCore
#endif // ENABLE(XSLT)
#endif // XSLStyleSheet_h
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