/*

 * This file is part of the XSL implementation.

 *

 * Copyright (C) 2004 Apple Computer, Inc.

 *

 * 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 "StringHash.h"

#include "XSLStyleSheet.h"

#include <wtf/HashMap.h>

#include <libxml/parserInternals.h>

#include <libxslt/documents.h>

namespace WebCore {

class Frame;

class Node;

class Document;

class DocumentFragment;

class XSLTProcessor : public Shared<XSLTProcessor>

{

public:

    void setXSLStylesheet(XSLStyleSheet *styleSheet) { m_stylesheet = styleSheet; }

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

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

    // DOM methods

    void importStylesheet(Node *style) { m_stylesheetRootNode = style; }

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

    RefPtr<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() { m_stylesheet = NULL; m_stylesheetRootNode = NULL;  m_parameters.clear(); }

public:

    // Only for libXSLT callbacks

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

    typedef HashMap<String, String> ParameterMap;

private:

    // Convert a libxml doc ptr to a KHTML DOM Document

    RefPtr<Document> documentFromXMLDocPtr(xmlDocPtr resultDoc, xsltStylesheetPtr sheet, Document *ownerDocument, bool sourceIsDocument);

    RefPtr<XSLStyleSheet> m_stylesheet;

    RefPtr<Node> m_stylesheetRootNode;

    ParameterMap m_parameters;

};

}

#endif

#endif