1/*
2 * Copyright (C) 2000 Peter Kelly (pmk@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
29namespace WebCore {
30
31class StyleSheet;
32class CSSStyleSheet;
33
34class ProcessingInstruction : public ContainerNode, private CachedResourceClient {
35public:
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
56private:
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