HRESULT XMLHelper::CreateChild(MSXML2::IXMLDOMNode *pNode, MSXML2::IXMLDOMNode **ppChildNode, const TCHAR *pChildName, const TCHAR *pChildText)
{
*ppChildNode = 0;
MSXML2::IXMLDOMDocument *pDoc = 0;
HRESULT hr = pNode->get_ownerDocument(&pDoc);
if(hr == S_OK)
{
VARIANTARG varg;
VariantInit(&varg);
varg.vt = VT_I2;
varg.iVal = MSXML2::NODE_ELEMENT;
BSTR name = SysAllocString(pChildName);
hr = pDoc->createNode(varg, name, EMPTY_STR, ppChildNode);
SysFreeString(name);
if(*ppChildNode)
{
if(pChildText)
{
BSTR text = SysAllocString(pChildText);
hr = (*ppChildNode)->put_text(text);
SysFreeString(text);
}
hr = pNode->appendChild(*ppChildNode, ppChildNode);
}
}
return hr;
}
// 根据给定的名字，创建Element节点，并将其附加为当前节点的子节点
IBpXMLNode* CBpXMLNode::AppendNewElementChild(const wchar_t *szElementName)
{
if (m_pDOMNode == NULL)
return NULL;
MSXML2::IXMLDOMDocument *pDOMDocPtr = NULL;
m_pDOMNode->get_ownerDocument(&pDOMDocPtr);
if (pDOMDocPtr == NULL)
return NULL;
// 创建Element
VARIANT vtTemp;
vtTemp.vt = VT_I2;
vtTemp.iVal = 1;
MSXML2::IXMLDOMNodePtr pDOMNodeCreated = pDOMDocPtr->createNode(vtTemp, _bstr_t(szElementName), L"");
if (pDOMNodeCreated == NULL)
return NULL;
// 用来指向被附加后的节点
MSXML2::IXMLDOMNodePtr pNodeAppend = NULL;
try
{
pNodeAppend = m_pDOMNode->appendChild(pDOMNodeCreated);
}
catch (...)
{
return NULL;
}
if (pNodeAppend == NULL)
{
pDOMNodeCreated->Release();
return NULL;
}
CBpXMLNode* pElemCreated = new CBpXMLNode;
pElemCreated->m_pDOMNode = pNodeAppend;
return pElemCreated;
}