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      1 /*
      2  * Copyright (C) 2000 Peter Kelly (pmk (at) post.com)
      3  * Copyright (C) 2006 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  *
     20  */
     21 
     22 #ifndef ProcessingInstruction_h
     23 #define ProcessingInstruction_h
     24 
     25 #include "CachedResourceClient.h"
     26 #include "CachedResourceHandle.h"
     27 #include "ContainerNode.h"
     28 
     29 namespace WebCore {
     30 
     31 class StyleSheet;
     32 class CSSStyleSheet;
     33 
     34 class ProcessingInstruction : public ContainerNode, private CachedResourceClient {
     35 public:
     36     static PassRefPtr<ProcessingInstruction> create(Document*, const String& target, const String& data);
     37     virtual ~ProcessingInstruction();
     38 
     39     const String& target() const { return m_target; }
     40     const String& data() const { return m_data; }
     41     void setData(const String&, ExceptionCode&);
     42 
     43     void setCreatedByParser(bool createdByParser) { m_createdByParser = createdByParser; }
     44 
     45     virtual void finishParsingChildren();
     46 
     47     const String& localHref() const { return m_localHref; }
     48     StyleSheet* sheet() const { return m_sheet.get(); }
     49     void setCSSStyleSheet(PassRefPtr<CSSStyleSheet>);
     50 
     51     bool isCSS() const { return m_isCSS; }
     52 #if ENABLE(XSLT)
     53     bool isXSL() const { return m_isXSL; }
     54 #endif
     55 
     56 private:
     57     ProcessingInstruction(Document*, const String& target, const String& data);
     58 
     59     virtual String nodeName() const;
     60     virtual NodeType nodeType() const;
     61     virtual String nodeValue() const;
     62     virtual void setNodeValue(const String&, ExceptionCode&);
     63     virtual PassRefPtr<Node> cloneNode(bool deep);
     64     virtual bool childTypeAllowed(NodeType) const;
     65     virtual bool offsetInCharacters() const;
     66     virtual int maxCharacterOffset() const;
     67 
     68     virtual void insertedIntoDocument();
     69     virtual void removedFromDocument();
     70 
     71     void checkStyleSheet();
     72     virtual void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CachedCSSStyleSheet*);
     73 #if ENABLE(XSLT)
     74     virtual void setXSLStyleSheet(const String& href, const KURL& baseURL, const String& sheet);
     75 #endif
     76 
     77     bool isLoading() const;
     78     virtual bool sheetLoaded();
     79 
     80     virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
     81 
     82     void parseStyleSheet(const String& sheet);
     83 
     84     String m_target;
     85     String m_data;
     86     String m_localHref;
     87     String m_title;
     88     String m_media;
     89     CachedResourceHandle<CachedResource> m_cachedSheet;
     90     RefPtr<StyleSheet> m_sheet;
     91     bool m_loading;
     92     bool m_alternate;
     93     bool m_createdByParser;
     94     bool m_isCSS;
     95 #if ENABLE(XSLT)
     96     bool m_isXSL;
     97 #endif
     98 };
     99 
    100 } //namespace
    101 
    102 #endif
    103