File indexing completed on 2024-05-12 05:10:15
0001 /*************************************************************************** 0002 Copyright (C) 2003-2009 Robby Stephenson <robby@periapsis.org> 0003 ***************************************************************************/ 0004 0005 /*************************************************************************** 0006 * * 0007 * This program is free software; you can redistribute it and/or * 0008 * modify it under the terms of the GNU General Public License as * 0009 * published by the Free Software Foundation; either version 2 of * 0010 * the License or (at your option) version 3 or any later version * 0011 * accepted by the membership of KDE e.V. (or its successor approved * 0012 * by the membership of KDE e.V.), which shall act as a proxy * 0013 * defined in Section 14 of version 3 of the license. * 0014 * * 0015 * This program is distributed in the hope that it will be useful, * 0016 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0018 * GNU General Public License for more details. * 0019 * * 0020 * You should have received a copy of the GNU General Public License * 0021 * along with this program. If not, see <http://www.gnu.org/licenses/>. * 0022 * * 0023 ***************************************************************************/ 0024 0025 #ifndef TELLICO_XSLTHANDLER_H 0026 #define TELLICO_XSLTHANDLER_H 0027 0028 #include <QByteArray> 0029 #include <QHash> 0030 #include <QString> 0031 0032 // for xmlDocPtr 0033 #include <libxml/tree.h> 0034 0035 extern "C" { 0036 // for xsltStyleSheetPtr 0037 #include <libxslt/xsltInternals.h> 0038 } 0039 0040 class QUrl; 0041 class QDomDocument; 0042 0043 namespace Tellico { 0044 0045 /** 0046 * The XSLTHandler contains all the code which uses XSLT processing to generate HTML or to 0047 * translate to other formats. 0048 * 0049 * @author Robby Stephenson 0050 */ 0051 class XSLTHandler { 0052 0053 public: 0054 class XMLOutputBuffer { 0055 public: 0056 XMLOutputBuffer(); 0057 ~XMLOutputBuffer(); 0058 bool isValid() const { return (m_buf != nullptr); } 0059 xmlOutputBuffer* buffer() const { return m_buf; } 0060 QString result() const { return m_res; } 0061 private: 0062 xmlOutputBuffer* m_buf; 0063 QString m_res; 0064 }; 0065 0066 /** 0067 * @param xsltFile The XSLT file 0068 */ 0069 XSLTHandler(const QByteArray& xsltFile); 0070 /** 0071 * @param xsltURL The XSLT URL 0072 */ 0073 XSLTHandler(const QUrl& xsltURL); 0074 /** 0075 * @param xsltDoc The XSLT DOM document 0076 * @param xsltFile The XSLT file, should be a url? 0077 */ 0078 XSLTHandler(const QDomDocument& xsltDoc, const QByteArray& xsltFile, bool translate=false); 0079 /** 0080 */ 0081 ~XSLTHandler(); 0082 0083 bool isValid() const; 0084 0085 /** 0086 * Set the XSLT text 0087 * 0088 * @param dom The XSLT DOM document 0089 * @param xsltFile The XSLT file, should be a url? 0090 */ 0091 void setXSLTDoc(const QDomDocument& dom, const QByteArray& xsltFile, bool translate=false); 0092 /** 0093 * Adds a param 0094 */ 0095 void addParam(const QByteArray& name, const QByteArray& value); 0096 /** 0097 * Adds a string param 0098 */ 0099 void addStringParam(const QByteArray& name, const QByteArray& value); 0100 void removeParam(const QByteArray& name); 0101 const QByteArray& param(const QByteArray& name); 0102 /** 0103 * Processes text through the XSLT transformation. 0104 * 0105 * @param text The text to be transformed 0106 * @return The transformed text 0107 */ 0108 QString applyStylesheet(const QString& text); 0109 0110 static QDomDocument& setLocaleEncoding(QDomDocument& dom); 0111 0112 private: 0113 void init(); 0114 QString process(xmlDocPtr docIn); 0115 0116 xsltStylesheetPtr m_stylesheet; 0117 0118 QHash<QByteArray, QByteArray> m_params; 0119 0120 static int s_initCount; 0121 }; 0122 0123 } // end namespace 0124 #endif