XMLDataSource.h
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00001 /***************************************************************************** 00002 * Copyright (C) 2011 by Benjamin Hadorn (b_hadorn@bluewin.ch) 00003 ***************************************************************************** 00004 * Project : Zeus Base Library 00005 * Module : XMLDataSource 00006 * Package : Zeus.ZeusBase.System 00007 * Author : Benjamin Hadorn 00008 * Date : 27.12.2011 00009 * System : Zeus-Framework 00010 ***************************************************************************** 00011 * Licence: * 00012 * This library is free software; you can redistribute it and/or modify * 00013 * it under the terms of the GNU Lesser General Public License as * 00014 * published by the Free Software Foundation; either version * 00015 * 2.1 of the License, or (at your option) any later version. * 00016 * * 00017 * This library is distributed in the hope that it will be useful, * 00018 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00020 * GNU Lesser General Public License for more details. * 00021 * * 00022 * You should have received a copy of the GNU Lesser General Public * 00023 * License along with this library; if not, write to the Free Software * 00024 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA * 00025 *****************************************************************************/ 00026 00027 /***************************************************************************** 00028 * Changes: 00029 * 27.12.2011 bha: created zeus 2.0 00030 *****************************************************************************/ 00031 00032 #ifndef XMLDataSourceH 00033 #define XMLDataSourceH 00034 00035 #include <zeusbase/System/Interfaces/IXObject.hpp> 00036 #include <zeusbase/System/Interfaces/IXMLDocument.hpp> 00037 #include <zeusbase/System/StringMap.hpp> 00038 00039 00040 BEGIN_NAMESPACE_Zeus 00041 00042 00043 /***************************************************************************/ 00047 /***************************************************************************/ 00048 zeusbase_class TXMLDataSource : public IValueType 00049 { 00050 public: 00051 TXMLDataSource(); 00052 TXMLDataSource(NAMESPACE_Zeus::IXMLDocument& rDocument); 00053 virtual ~TXMLDataSource(); 00054 00055 void closeXML(); 00056 bool isAvailable() const; 00057 void setXMLDocument(NAMESPACE_Zeus::IXMLDocument& rDocument); 00058 00059 //load methods 00060 Retval loadXML(NAMESPACE_Zeus::IXMLDocument*& rpDocument); 00061 Retval loadXObjects(IXObject*& rpObject, bool dDoUnfreeze = true, bool bKeepXObjectAfterClosing = false); 00062 00063 TString getDocumentStream() const; 00064 00065 //query methods 00066 Retval selectNode(const IString& rXPath, IXMLNode*& rpNode); 00067 Retval selectNodes(const IString& rXPath, IXPathResults*& rpResults); 00068 Retval selectNodeValue(const IString& rXPath, IString& rValue); 00069 Retval selectObject(const IString& rXObjectPath, IXObject*& rpObject); 00070 Retval selectObjects(const IString& rXObjectPath, IXObjectCollection*& rpCollection); 00071 Retval selectCastedObject(const IString& rXObjectPath, const InterfaceID& rInterfaceID, IZUnknown*& rpObject); 00072 00073 void useNamespace(const IString& rPrefix, const IString& rNamespace); 00074 00075 Retval writeNodeValue(const IString& rXPath, const IString& rValue); 00076 00077 protected: 00078 00079 private: 00081 TAutoPtr<NAMESPACE_Zeus::IXMLDocument> m_ptrDocument; 00083 TAutoPtr<IXObject> m_ptrRootObject; 00085 bool m_bKeepXObjectAfterClosing; 00087 TStringMap<TString> m_mapPrefix; 00088 00089 00090 void removeInstances(); 00091 }; 00092 00093 //INLINE 00094 /**************************************************************************/ 00097 /**************************************************************************/ 00098 inline bool TXMLDataSource::isAvailable() const 00099 { 00100 return (m_ptrDocument != NULL); 00101 } 00102 00103 00104 END_NAMESPACE_Zeus 00105 00106 #endif