/*

 * This file is part of the XSL implementation.

 *

 * Copyright (C) 2004, 2007, 2008 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 XSLTProcessor_h

#define XSLTProcessor_h

#if ENABLE(XSLT)

#include "Node.h"

#include "StringHash.h"

#include "XSLStyleSheet.h"

#include <wtf/HashMap.h>

#if !USE(QXMLQUERY)

#include <libxml/parserInternals.h>

#include <libxslt/documents.h>

#endif

namespace WebCore {

class Frame;

class Document;

class DocumentFragment;

class XSLTProcessor : public RefCounted<XSLTProcessor> {

public:

    static PassRefPtr<XSLTProcessor> create() { return adoptRef(new XSLTProcessor); }

    void setXSLStyleSheet(PassRefPtr<XSLStyleSheet> styleSheet) { m_stylesheet = styleSheet; }

    bool transformToString(Node* source, String& resultMIMEType, String& resultString, String& resultEncoding);

    PassRefPtr<Document> createDocumentFromSource(const String& source, const String& sourceEncoding, const String& sourceMIMEType, Node* sourceNode, Frame* frame);

    // DOM methods

    void importStylesheet(PassRefPtr<Node> style) { m_stylesheetRootNode = style; }

    PassRefPtr<DocumentFragment> transformToFragment(Node* source, Document* ouputDoc);

    PassRefPtr<Document> transformToDocument(Node* source);

    void setParameter(const String& namespaceURI, const String& localName, const String& value);

    String getParameter(const String& namespaceURI, const String& localName) const;

    void removeParameter(const String& namespaceURI, const String& localName);

    void clearParameters() { m_parameters.clear(); }

    void reset();

#if !USE(QXMLQUERY)

    static void parseErrorFunc(void* userData, xmlError*);

    static void genericErrorFunc(void* userData, const char* msg, ...);

    // Only for libXSLT callbacks

    XSLStyleSheet* xslStylesheet() const { return m_stylesheet.get(); }

#endif

    typedef HashMap<String, String> ParameterMap;

private:

    XSLTProcessor() { }

    RefPtr<XSLStyleSheet> m_stylesheet;

    RefPtr<Node> m_stylesheetRootNode;

    ParameterMap m_parameters;

};

}

#endif

#endif