/*

 * Copyright (C) 2000 Peter Kelly (pmk@post.com)

 * Copyright (C) 2006 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 ProcessingInstruction_h

#define ProcessingInstruction_h

#include "CachedResourceClient.h"

#include "CachedResourceHandle.h"

#include "ContainerNode.h"

namespace WebCore {

class StyleSheet;

class CSSStyleSheet;

class ProcessingInstruction : public ContainerNode, private CachedResourceClient {

public:

    static PassRefPtr<ProcessingInstruction> create(Document*, const String& target, const String& data);

    virtual ~ProcessingInstruction();

    const String& target() const { return m_target; }

    const String& data() const { return m_data; }

    void setData(const String&, ExceptionCode&);

    void setCreatedByParser(bool createdByParser) { m_createdByParser = createdByParser; }

    virtual void finishParsingChildren();

    const String& localHref() const { return m_localHref; }

    StyleSheet* sheet() const { return m_sheet.get(); }

    void setCSSStyleSheet(PassRefPtr<CSSStyleSheet>);

#if ENABLE(XSLT)

    bool isXSL() const { return m_isXSL; }

#endif

private:

    ProcessingInstruction(Document*, const String& target, const String& data);

    virtual String nodeName() const;

    virtual NodeType nodeType() const;

    virtual String nodeValue() const;

    virtual void setNodeValue(const String&, ExceptionCode&);

    virtual PassRefPtr<Node> cloneNode(bool deep);

    virtual bool childTypeAllowed(NodeType);

    virtual bool offsetInCharacters() const;

    virtual int maxCharacterOffset() const;

    virtual void insertedIntoDocument();

    virtual void removedFromDocument();

    void checkStyleSheet();

    virtual void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CachedCSSStyleSheet*);

#if ENABLE(XSLT)

    virtual void setXSLStyleSheet(const String& href, const KURL& baseURL, const String& sheet);

#endif

    bool isLoading() const;

    virtual bool sheetLoaded();

    virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;

    void parseStyleSheet(const String& sheet);

    String m_target;

    String m_data;

    String m_localHref;

    String m_title;

    String m_media;

    CachedResourceHandle<CachedResource> m_cachedSheet;

    RefPtr<StyleSheet> m_sheet;

    bool m_loading;

    bool m_alternate;

    bool m_createdByParser;

#if ENABLE(XSLT)

    bool m_isXSL;

#endif

};

} //namespace

#endif