1/*
2 * Copyright (C) 2000 Peter Kelly (pmk@post.com)
3 * Copyright (C) 2006-2018 Apple Inc. All rights reserved.
4 * Copyright (C) 2013 Samsung Electronics. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23#pragma once
24
25#include "CachedResourceHandle.h"
26#include "CachedStyleSheetClient.h"
27#include "CharacterData.h"
28
29namespace WebCore {
30
31class StyleSheet;
32class CSSStyleSheet;
33
34class ProcessingInstruction final : public CharacterData, private CachedStyleSheetClient {
35 WTF_MAKE_ISO_ALLOCATED(ProcessingInstruction);
36public:
37 static Ref<ProcessingInstruction> create(Document&, const String& target, const String& data);
38 virtual ~ProcessingInstruction();
39
40 const String& target() const { return m_target; }
41
42 void setCreatedByParser(bool createdByParser) { m_createdByParser = createdByParser; }
43
44 void finishParsingChildren() override;
45
46 const String& localHref() const { return m_localHref; }
47 StyleSheet* sheet() const { return m_sheet.get(); }
48
49 bool isCSS() const { return m_isCSS; }
50#if ENABLE(XSLT)
51 bool isXSL() const { return m_isXSL; }
52#endif
53
54private:
55 friend class CharacterData;
56 ProcessingInstruction(Document&, const String& target, const String& data);
57
58 String nodeName() const override;
59 NodeType nodeType() const override;
60 Ref<Node> cloneNodeInternal(Document&, CloningOperation) override;
61
62 InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) override;
63 void didFinishInsertingNode() override;
64 void removedFromAncestor(RemovalType, ContainerNode&) override;
65
66 void checkStyleSheet();
67 void setCSSStyleSheet(const String& href, const URL& baseURL, const String& charset, const CachedCSSStyleSheet*) override;
68#if ENABLE(XSLT)
69 void setXSLStyleSheet(const String& href, const URL& baseURL, const String& sheet) override;
70#endif
71
72 bool isLoading() const;
73 bool sheetLoaded() override;
74
75 void addSubresourceAttributeURLs(ListHashSet<URL>&) const override;
76
77 void parseStyleSheet(const String& sheet);
78
79 String m_target;
80 String m_localHref;
81 String m_title;
82 String m_media;
83 CachedResourceHandle<CachedResource> m_cachedSheet { nullptr };
84 RefPtr<StyleSheet> m_sheet;
85 bool m_loading { false };
86 bool m_alternate { false };
87 bool m_createdByParser { false };
88 bool m_isCSS { false };
89#if ENABLE(XSLT)
90 bool m_isXSL { false };
91#endif
92 bool m_isHandlingBeforeLoad { false };
93};
94
95} // namespace WebCore
96
97SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ProcessingInstruction)
98 static bool isType(const WebCore::Node& node) { return node.nodeType() == WebCore::Node::PROCESSING_INSTRUCTION_NODE; }
99SPECIALIZE_TYPE_TRAITS_END()
100