C++ Sockets Library

00001 
00006 /*
00007 Copyright (C) 2008-2011  Anders Hedstrom
00008 
00009 This library is made available under the terms of the GNU GPL, with
00010 the additional exemption that compiling, linking, and/or using OpenSSL 
00011 is allowed.
00012 
00013 If you would like to use this library in a closed-source application,
00014 a separate license agreement is available. For information about 
00015 the closed-source license agreement for the C++ sockets library,
00016 please visit http://www.alhem.net/Sockets/license.html and/or
00017 email license@alhem.net.
00018 
00019 This program is free software; you can redistribute it and/or
00020 modify it under the terms of the GNU General Public License
00021 as published by the Free Software Foundation; either version 2
00022 of the License, or (at your option) any later version.
00023 
00024 This program is distributed in the hope that it will be useful,
00025 but WITHOUT ANY WARRANTY; without even the implied warranty of
00026 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00027 GNU General Public License for more details.
00028 
00029 You should have received a copy of the GNU General Public License
00030 along with this program; if not, write to the Free Software
00031 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00032 */
00033 #include "XmlDocument.h"
00034 #include "XmlException.h"
00035 
00036 #ifdef ENABLE_XML
00037 
00038 #ifdef SOCKETS_NAMESPACE
00039 namespace SOCKETS_NAMESPACE {
00040 #endif
00041 
00042 
00043 XmlDocument::XmlDocument(const std::string& filename,const std::string& verify_ns,const std::string& verify_root)
00044 : m_doc(NULL)
00045 , m_ok(false)
00046 {
00047         xmlNodePtr cur;
00048         xmlNsPtr ns;
00049 
00050         if (!(m_doc = xmlParseFile(filename.c_str() )))
00051         {
00052                 throw XmlException("Parse of file failed: " + filename);
00053         }
00054         if (!(cur = xmlDocGetRootElement(m_doc)))
00055         {
00056                 xmlFreeDoc(m_doc);
00057                 m_doc = NULL;
00058                 throw XmlException("Document is empty: " + filename);
00059         }
00060         if (verify_ns.size())
00061         {
00062                 if (!(ns = xmlSearchNsByHref(m_doc, cur, (const xmlChar *) verify_ns.c_str() )))
00063                 {
00064                         xmlFreeDoc(m_doc);
00065                         m_doc = NULL;
00066                         throw XmlException("Document namespace != " + verify_ns);
00067                 }
00068         }
00069         if (verify_root.size())
00070         {
00071                 if (xmlStrcmp(cur -> name, (const xmlChar *) verify_root.c_str() ))
00072                 {
00073                         xmlFreeDoc(m_doc);
00074                         m_doc = NULL;
00075                         throw XmlException("Document root != " + verify_root);
00076                 }
00077         }
00078         m_ok = true;
00079 }
00080 
00081 
00082 XmlDocument::~XmlDocument()
00083 {
00084         if (m_doc)
00085         {
00086                 xmlFreeDoc(m_doc);
00087         }
00088 }
00089 
00090 
00091 XmlDocument::operator xmlDocPtr()
00092 {
00093         return m_doc;
00094 }
00095 
00096 
00097 #ifdef SOCKETS_NAMESPACE
00098 }
00099 #endif
00100 #endif // ENABLE_XML
XmlDocument.cpp
