mirror of
https://github.com/rajkosto/mxoemu
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357 lines
6.9 KiB
C++
357 lines
6.9 KiB
C++
/**
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** \file XmlNode.cpp
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** \date 2008-02-09
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** \author grymse@alhem.net
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**/
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/*
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Copyright (C) 2008-2010 Anders Hedstrom
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This library is made available under the terms of the GNU GPL, with
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the additional exemption that compiling, linking, and/or using OpenSSL
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is allowed.
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If you would like to use this library in a closed-source application,
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a separate license agreement is available. For information about
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the closed-source license agreement for the C++ sockets library,
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please visit http://www.alhem.net/Sockets/license.html and/or
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email license@alhem.net.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "XmlNode.h"
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#include "XmlDocument.h"
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#include "XmlException.h"
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#include "Utility.h"
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#ifdef ENABLE_XML
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#ifdef SOCKETS_NAMESPACE
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namespace SOCKETS_NAMESPACE {
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#endif
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namespace Xml {
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XmlNode::XmlNode(XmlDocument& doc)
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: m_doc(doc)
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, m_current( GetRootElement() )
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{
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}
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XmlNode::XmlNode(XmlDocument& doc, const std::string& nodepath)
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: m_doc(doc)
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, m_current( GetRootElement() )
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{
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xmlNodePtr p = GetFirstElement( nodepath );
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SetCurrent( p );
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}
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XmlNode::XmlNode(const XmlNode& node, const std::string& nodepath)
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: m_doc( node.GetDocument() )
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, m_current( node )
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{
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xmlNodePtr p = GetFirstElement( node, nodepath );
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SetCurrent( p );
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}
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XmlNode::XmlNode(XmlDocument& doc, xmlNodePtr ptr)
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: m_doc(doc)
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, m_current( ptr )
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{
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}
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XmlNode::XmlNode(xmlDocPtr doc, xmlNodePtr ptr)
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: m_doc(doc)
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, m_current( ptr )
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{
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}
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XmlNode::~XmlNode()
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{
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}
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xmlNodePtr XmlNode::GetRootElement() const
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{
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m_current = xmlDocGetRootElement(m_doc);
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return m_current;
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}
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std::string XmlNode::GetProperty(const std::string& name) const
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{
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xmlChar *p = m_current ? xmlGetProp(m_current, (const xmlChar *) name.c_str() ) : NULL;
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if (!p)
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{
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throw XmlException( "Property '" + name + "' not found in node: " + GetNodeName() );
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}
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std::string str = (char *)p;
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xmlFree(p);
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return Utility::FromUtf8(str);
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}
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bool XmlNode::PropertyExists(const std::string& name) const
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{
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xmlChar *p = m_current ? xmlGetProp(m_current, (const xmlChar *) name.c_str() ) : NULL;
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if (!p)
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{
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return false;
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}
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xmlFree(p);
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return true;
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}
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xmlNodePtr XmlNode::GetChildrenNode() const
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{
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m_current = m_current ? m_current -> xmlChildrenNode : NULL;
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return m_current;
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}
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xmlNodePtr XmlNode::GetNextNode() const
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{
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do
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{
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m_current = m_current ? m_current -> next : NULL;
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} while (m_current && xmlIsBlankNode( m_current ));
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return m_current;
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}
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const std::string& XmlNode::GetNodeName() const
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{
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if (m_current)
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{
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m_current_name = Utility::FromUtf8((char *)m_current -> name);
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}
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else
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{
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m_current_name = "";
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}
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return m_current_name;
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}
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const std::string& XmlNode::GetContent() const
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{
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m_content = "";
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if (m_current)
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{
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xmlNodePtr p = m_current;
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xmlNodePtr p2 = GetChildrenNode();
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if (p2 && p2 -> content)
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{
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m_content = Utility::FromUtf8((char *)p2 -> content);
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}
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SetCurrent(p);
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}
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return m_content;
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}
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xmlNsPtr XmlNode::GetNodeNs() const
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{
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if (m_current)
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return m_current -> ns;
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return NULL;
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}
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const std::string& XmlNode::GetNodeNsPrefix() const
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{
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if (m_current && m_current -> ns && m_current -> ns -> prefix)
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{
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m_ns_prefix = Utility::FromUtf8((char *)m_current -> ns -> prefix);
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}
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else
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{
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m_ns_prefix = "";
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}
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return m_ns_prefix;
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}
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const std::string& XmlNode::GetNodeNsHref() const
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{
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if (m_current && m_current -> ns && m_current -> ns -> href)
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{
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m_ns_href = Utility::FromUtf8((char *)m_current -> ns -> href);
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}
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else
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{
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m_ns_href = "";
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}
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return m_ns_href;
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}
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xmlNodePtr XmlNode::GetFirstElement(const std::string& name) const
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{
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if (m_lookup_name.empty())
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m_lookup_name = name;
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GetRootElement();
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xmlNodePtr p = GetChildrenNode();
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while (p)
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{
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if (name == GetNodeName())
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{
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return p;
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}
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p = GetNextNode();
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}
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return NULL;
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}
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xmlNodePtr XmlNode::GetFirstElement(xmlNodePtr base,const std::string& name) const
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{
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if (m_lookup_name.empty())
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m_lookup_name = name;
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SetCurrent(base);
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xmlNodePtr p = GetChildrenNode();
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while (p)
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{
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if (name == GetNodeName())
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{
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return p;
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}
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p = GetNextNode();
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}
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return NULL;
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}
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xmlNodePtr XmlNode::GetNextElement(xmlNodePtr p,const std::string& name) const
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{
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SetCurrent(p);
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p = GetNextNode();
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while (p)
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{
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if (name == GetNodeName())
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{
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return p;
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}
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p = GetNextNode();
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}
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return NULL;
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}
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XmlNode::operator xmlNodePtr() const
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{
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return m_current;
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}
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XmlNode XmlNode::operator[](const std::string& name) const
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{
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xmlNodePtr p0 = m_current;
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xmlNodePtr p = GetFirstElement( m_current, name );
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SetCurrent( p0 );
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if (p)
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return XmlNode( m_doc, p );
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throw XmlException("Didn't find node: " + name);
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}
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bool XmlNode::Exists(const std::string& name) const
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{
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xmlNodePtr p0 = m_current;
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xmlNodePtr p = GetFirstElement( m_current, name );
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SetCurrent( p0 );
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if (p)
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return true;
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return false;
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}
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void XmlNode::operator++() const
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{
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GetNextNode();
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while (m_current)
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{
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if (m_lookup_name == GetNodeName())
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{
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return;
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}
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GetNextNode();
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}
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}
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std::map<std::string, std::string> XmlNode::GetNsMap() const
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{
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xmlNsPtr *p = xmlGetNsList(m_doc, m_current);
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std::map<std::string, std::string> vec;
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int i = 0;
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while (p[i])
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{
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std::string href = Utility::FromUtf8((char *)p[i] -> href);
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std::string prefix = p[i] -> prefix ? Utility::FromUtf8((char *)p[i] -> prefix) : "";
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vec[prefix] = href;
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++i;
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}
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return vec;
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}
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std::map<std::string, std::string> XmlNode::GetNsMapRe() const
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{
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xmlNsPtr *p = xmlGetNsList(m_doc, m_current);
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std::map<std::string, std::string> vec;
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int i = 0;
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while (p[i])
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{
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std::string href = Utility::FromUtf8((char *)p[i] -> href);
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std::string prefix = p[i] -> prefix ? Utility::FromUtf8((char *)p[i] -> prefix) : "";
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vec[href] = prefix;
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if (!p[i] -> next)
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break;
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++i;
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}
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return vec;
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}
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const std::string XmlNode::FindProperty(const std::string& propname, bool climb) const
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{
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while (m_current)
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{
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if (PropertyExists(propname))
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{
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return GetProperty(propname);
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}
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if (!climb)
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{
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break;
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}
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m_current = m_current -> parent;
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}
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return "";
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}
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}
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#ifdef SOCKETS_NAMESPACE
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}
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#endif
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#endif // ENABLE_XML
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