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#include "StdAfx.h"
class CXMLNodeMI : public IXMLNode, private boost::noncopyable
{
public:
typedef boost::shared_ptr<IXMLNode> TXMLNodePtr;
public:
explicit CXMLNodeMI(HXML hXMl, bool bDestroy = false) : m_hXML(hXMl), m_bDestroy(bDestroy)
{
assert(m_hXML);
}
virtual ~CXMLNodeMI()
{
if (m_bDestroy)
xmlDestroyNode(m_hXML);
}
virtual size_t GetChildCount()const
{
return xmlGetChildCount(m_hXML);
}
virtual TXMLNodePtr GetChildNode(size_t nIndex)const
{
HXML h = xmlGetChild(m_hXML, (int)nIndex);
if (h)
return TXMLNodePtr(new CXMLNodeMI(h));
return TXMLNodePtr();
}
virtual tstring GetText()const
{
tstring sResult;
LPCTSTR psz = xmlGetText(m_hXML);
if (psz)
sResult = psz;
return sResult;
}
virtual tstring GetName()const
{
tstring sResult;
LPCTSTR psz = xmlGetName(m_hXML);
if (psz)
sResult = psz;
return sResult;
}
virtual bool AddChild(const TXMLNodePtr& pNode)
{
CXMLNodeMI* pXML = dynamic_cast<CXMLNodeMI*>(pNode.get());
if (pXML) {
xmlAddChild2(pXML->m_hXML, m_hXML);
pXML->m_bDestroy = false;
return true;
}
return false;
}
virtual bool AddAttribute(const tstring& rsName, const tstring& rsValue)
{
xmlAddAttr(m_hXML, rsName.c_str(), rsValue.c_str());
return true;
}
virtual tstring GetAttributeValue(const tstring& rsAttrName)
{
LPCTSTR pszValue = xmlGetAttrValue(m_hXML, rsAttrName.c_str());
return ((NULL != pszValue) ? tstring(pszValue) : tstring());
}
virtual void Write(tostream& o)const
{
ptrT ss(xmlToString(m_hXML, NULL));
if (ss != NULL)
o << (char*)T2Utf(ss);
}
private:
HXML m_hXML;
bool m_bDestroy;
};
CXMLEngineMI::CXMLEngineMI()
{
}
CXMLEngineMI::~CXMLEngineMI()
{
}
IXMLNode::TXMLNodePtr CXMLEngineMI::LoadFile(const tstring& rsFileName)const
{
IXMLNode::TXMLNodePtr pResult;
FILE *stream;
if (0 == ::_tfopen_s(&stream, rsFileName.c_str(), _T("r"))) {
struct _stat st;
if (-1 != ::_fstat(::_fileno(stream), &st)) {
std::vector<char> aBuffer(st.st_size + 1);
char* pBuffer = &*(aBuffer.begin());
size_t cBytes = ::fread(pBuffer, sizeof(char), st.st_size, stream);
if (cBytes > 0 && cBytes <= static_cast<size_t>(st.st_size)) {
pBuffer[cBytes] = '\0';
int nLen = (int)cBytes;
ptrT ss(mir_utf8decodeT(pBuffer));
if (ss) {
HXML h = xmlParseString(ss, &nLen, NULL);
if (h)
pResult = IXMLNode::TXMLNodePtr(new CXMLNodeMI(h, true));
}
}
}
::fclose(stream);
}
return pResult;
}
static IXMLNode::TXMLNodePtr create_node(const tstring& rsName, const tstring& rsText, bool bIsDecl)
{
IXMLNode::TXMLNodePtr pResult;
HXML h = xmlCreateNode(rsName.c_str(), rsText.c_str(), bIsDecl);
if (h)
pResult = IXMLNode::TXMLNodePtr(new CXMLNodeMI(h, true));
return pResult;
}
bool CXMLEngineMI::SaveFile(const tstring& rsFileName, const IXMLNode::TXMLNodePtr& pNode)const
{
CXMLNodeMI* pXML = dynamic_cast<CXMLNodeMI*>(pNode.get());
if (pXML) {
tofstream file(rsFileName.c_str());
if (file.good()) {
IXMLNode::TXMLNodePtr pRoot(create_node(_T("xml"), tstring(), true));
if (pRoot) {
pRoot->AddAttribute(_T("version"), _T("1.0"));
pRoot->AddAttribute(_T("encoding"), _T("UTF-8"));
file << *pRoot;
}
if (file.good()) {
file << *pNode;
}
}
return file.good();
}
return false;
}
IXMLNode::TXMLNodePtr CXMLEngineMI::CreateNode(const tstring& rsName, const tstring& rsText)const
{
return create_node(rsName, rsText, false);
}
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