00001 /* 00002 * This file is part of the Standard Portable Library (SPL). 00003 * 00004 * SPL is free software: you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation, either version 3 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * SPL is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with SPL. If not, see <http://www.gnu.org/licenses/>. 00016 */ 00017 #ifndef _xpath_h 00018 #define _xpath_h 00019 00020 #include <spl/types.h> 00021 #include <spl/collection/Array.h> 00022 #include <spl/Debug.h> 00023 #include <spl/Memory.h> 00024 #include <spl/collection/List.h> 00025 #include <spl/RefCountPtr.h> 00026 #include <spl/String.h> 00027 #include <spl/xml/XmlNode.h> 00028 #include <spl/xml/XmlNodeList.h> 00029 #include <spl/xml/xpath/private/XPathOperator.h> 00030 00036 class XPath; 00037 typedef RefCountPtr<XPath> XPathPtr; 00038 00053 class XPath : public IMemoryValidate 00054 { 00055 private: 00056 Array<XPathOperatorPtr> m_ops; 00057 00058 protected: 00059 static XmlNodeListPtr SelectNodes(Array<XPathOperatorPtr>&ops, XmlNodePtr context, bool findAll); 00060 00061 inline XmlNodeListPtr SelectNodes(XmlNodePtr context, bool findAll) 00062 { 00063 return SelectNodes(m_ops, context, findAll); 00064 } 00065 00066 public: 00067 XPath(); 00068 XPath(const String& xp); 00069 XPath(const XPath& xp); 00070 virtual ~XPath(); 00071 00072 XPath& operator =(const XPath& xp); 00073 00074 XmlNodeListPtr SelectNodes(XmlNodePtr context); 00075 XmlNodePtr SelectSingleNode(XmlNodePtr context); 00076 00077 static XmlNodeListPtr SelectNodes(Array<XPathOperatorPtr>&ops, XmlNodePtr context); 00078 00079 #if defined(DEBUG) || defined(_DEBUG) 00080 void CheckMem() const; 00081 void ValidateMem() const; 00082 #endif 00083 }; 00084 00087 #endif