1 /* 2 * This file is part of the XSL implementation. 3 * 4 * Copyright (C) 2004, 2006, 2008 Apple Inc. 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 #ifndef XSLStyleSheet_h 24 #define XSLStyleSheet_h 25 26 #if ENABLE(XSLT) 27 28 #include "ProcessingInstruction.h" 29 #include "StyleSheet.h" 30 31 #if !USE(QXMLQUERY) 32 #include <libxml/parser.h> 33 #include <libxslt/transform.h> 34 #endif 35 36 #include <wtf/PassRefPtr.h> 37 38 namespace WebCore { 39 40 class XSLImportRule; 41 42 class XSLStyleSheet : public StyleSheet { 43 public: 44 #if !USE(QXMLQUERY) 45 static PassRefPtr<XSLStyleSheet> create(XSLImportRule* parentImport, const String& originalURL, const KURL& finalURL) 46 { 47 return adoptRef(new XSLStyleSheet(parentImport, originalURL, finalURL)); 48 } 49 #endif 50 static PassRefPtr<XSLStyleSheet> create(ProcessingInstruction* parentNode, const String& originalURL, const KURL& finalURL) 51 { 52 return adoptRef(new XSLStyleSheet(parentNode, originalURL, finalURL, false)); 53 } 54 static PassRefPtr<XSLStyleSheet> createEmbedded(ProcessingInstruction* parentNode, const KURL& finalURL) 55 { 56 return adoptRef(new XSLStyleSheet(parentNode, finalURL.string(), finalURL, true)); 57 } 58 59 // Taking an arbitrary node is unsafe, because owner node pointer can become stale. 60 // XSLTProcessor ensures that the stylesheet doesn't outlive its parent, in part by not exposing it to JavaScript. 61 static PassRefPtr<XSLStyleSheet> createForXSLTProcessor(Node* parentNode, const String& originalURL, const KURL& finalURL) 62 { 63 return adoptRef(new XSLStyleSheet(parentNode, originalURL, finalURL, false)); 64 } 65 66 virtual ~XSLStyleSheet(); 67 68 virtual bool isXSLStyleSheet() const { return true; } 69 70 virtual String type() const { return "text/xml"; } 71 72 virtual bool parseString(const String &string, bool strict = true); 73 74 virtual bool isLoading(); 75 virtual void checkLoaded(); 76 77 void loadChildSheets(); 78 void loadChildSheet(const String& href); 79 80 CachedResourceLoader* cachedResourceLoader(); 81 82 Document* ownerDocument(); 83 XSLStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; } 84 void setParentStyleSheet(XSLStyleSheet* parent); 85 86 #if USE(QXMLQUERY) 87 String sheetString() const { return m_sheetString; } 88 #else 89 xmlDocPtr document(); 90 xsltStylesheetPtr compileStyleSheet(); 91 xmlDocPtr locateStylesheetSubResource(xmlDocPtr parentDoc, const xmlChar* uri); 92 #endif 93 94 void clearDocuments(); 95 96 void markAsProcessed(); 97 bool processed() const { return m_processed; } 98 99 private: 100 XSLStyleSheet(Node* parentNode, const String& originalURL, const KURL& finalURL, bool embedded); 101 #if !USE(QXMLQUERY) 102 XSLStyleSheet(XSLImportRule* parentImport, const String& originalURL, const KURL& finalURL); 103 #endif 104 105 Document* m_ownerDocument; 106 bool m_embedded; 107 bool m_processed; 108 109 #if USE(QXMLQUERY) 110 String m_sheetString; 111 #else 112 xmlDocPtr m_stylesheetDoc; 113 bool m_stylesheetDocTaken; 114 #endif 115 116 XSLStyleSheet* m_parentStyleSheet; 117 }; 118 119 } // namespace WebCore 120 121 #endif // ENABLE(XSLT) 122 123 #endif // XSLStyleSheet_h 124
