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XmlNodes.cpp
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XmlNodes.cpp
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#include "StdAfx.h"
#include "./XmlNodes.h"
namespace JWXml
{
// constructors
CXmlNodes::CXmlNodes(MSXML2::IXMLDOMNodeListPtr pNodeList)
{
m_pNodeList = pNodeList;
}
CXmlNodes::CXmlNodes(const CXmlNodes & refNodes )
{
m_pNodeList = refNodes.m_pNodeList;
}
CXmlNodes::CXmlNodes( CXmlNodesPtr pNodes )
{
m_pNodeList = pNodes->m_pNodeList;
}
CXmlNodes::CXmlNodes(void)
: m_pNodeList(NULL)
{
}
CXmlNodes::~CXmlNodes(void)
{
Release();
}
//////////////////////////////////////////////////////////////////////////
void CXmlNodes::Release(void)
{
RELEASE_PTR(m_pNodeList);
}
//-------------------------------------------------------------------------
// Function Name :operator =
// Parameter(s) :CXmlNodesPtr pNodes
// Return :CXmlNodesPtr
// Memo :override the = symbol
//-------------------------------------------------------------------------
CXmlNodesPtr CXmlNodes::operator = ( CXmlNodesPtr pNodes IN )
{
RELEASE_PTR(m_pNodeList);
m_pNodeList = pNodes->m_pNodeList;
return pNodes;
}
//-------------------------------------------------------------------------
// Function Name :operator =
// Parameter(s) :CXmlNodes & refNodes
// Return :CXmlNodes &
// Memo :override the = symbol
//-------------------------------------------------------------------------
CXmlNodes & CXmlNodes::operator = (const CXmlNodes & refNodes)
{
RELEASE_PTR(m_pNodeList);
m_pNodeList = refNodes.m_pNodeList;
return (*this);
}
//-------------------------------------------------------------------------
// Function Name :GetCount
// Parameter(s) :void
// Return :LONG
// Memo :get the total count of the elements in this list
//-------------------------------------------------------------------------
LONG CXmlNodes::GetCount(void)
{
ASSERT( m_pNodeList != NULL );
try
{
return m_pNodeList->length;
}
catch ( _com_error e )
{
TRACE( _T("CXmlNodes::GetCount failed:%s\n"), e.ErrorMessage());
ASSERT( FALSE );
return -1;
}
}
//-------------------------------------------------------------------------
// Function Name :GetItem
// Parameter(s) :LONG nIndex The index of the item
// Return :CXmlNodePtr
// Memo :Get the item in the list
//-------------------------------------------------------------------------
CXmlNodePtr CXmlNodes::GetItem( LONG nIndex )
{
ASSERT( m_pNodeList != NULL );
ASSERT( nIndex >= 0 && nIndex < GetCount() );
CXmlNodePtr pNode ( new CXmlNode(m_pNodeList->item[nIndex]) );
return pNode;
}
//-------------------------------------------------------------------------
// Function Name :operator[]
// Parameter(s) :INT nIndex
// Return :CXmlNodePtr
// Memo :override [], get the item in the list by index
//-------------------------------------------------------------------------
CXmlNodePtr CXmlNodes::operator[] ( LONG lIndex )
{
return GetItem(lIndex);
}
//-------------------------------------------------------------------------
// Function Name :GetItem
// Parameter(s) :LPCTSTR lpszName the child node name
// Return :CXmlNodePtr
// Memo :get the child node by the node name
//-------------------------------------------------------------------------
CXmlNodePtr CXmlNodes::GetItem( LPCTSTR lpszName )
{
ASSERT( m_pNodeList != NULL );
ASSERT( lpszName != NULL );
CXmlNodePtr pNode ( new CXmlNode() );
try
{
HRESULT hr = S_OK;
CString strName;
BSTR bstr = NULL;
MSXML2::IXMLDOMNodePtr pItem = NULL;
for( int i = 0; i < m_pNodeList->length; i++)
{
pItem = m_pNodeList->item[i];
hr = pItem->get_nodeName(&bstr);
strName = (LPCTSTR)_bstr_t( bstr, true);
if( bstr != NULL )
{
SysFreeString(bstr);
bstr = NULL;
}
// get the first element
if( strName.Compare(lpszName) == 0 )
{
pNode->m_pNode = pItem;
RELEASE_PTR(pItem);
return pNode;
}
RELEASE_PTR(pItem);
}
}
catch ( _com_error e )
{
TRACE( _T("CXmlNodes::GetItem failed:%s\n"), e.ErrorMessage());
ASSERT( FALSE );
}
return pNode;
}
//-------------------------------------------------------------------------
// Function Name :operator[]
// Parameter(s) :LPCTSTR lpszName
// Return :CXmlNodePtr
// Memo :override the [], same as GetItem( LPCTSTR lpszName )
//-------------------------------------------------------------------------
CXmlNodePtr CXmlNodes::operator[] ( LPCTSTR lpszName )
{
return GetItem(lpszName);
}
}