xmlelement.cpp

该程序是mobile５.0 ppc２００３系统下的

// XmlElement.cpp: implementation of the CXmlElement class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "XmlElement.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////



CXmlElement::~CXmlElement()
{
	
}

void CXmlElement::get()
{ 
	if (pos!=-1)
	{ 
		elem=0;
		CComPtr<IXMLDOMNode> inode;
		nlist->get_item(pos,&inode);
		if (inode==0) return;
		DOMNodeType type;
		inode->get_nodeType(&type);
		if (type!=NODE_ELEMENT) return;
		CComQIPtr<IXMLDOMElement> e(inode);
		elem=e;
		
	}
	clen=0; 
	if (elem!=0)
	{ 
		CComPtr<IXMLDOMNodeList> iNodeList;
		elem->get_childNodes(&iNodeList);
		iNodeList->get_length(&clen);  
	}
}


CString CXmlElement::name() const
{ 
	if (!elem) return L"";
	CComBSTR bn; 
	elem->get_tagName(&bn);
	return CString(bn);
}

CString  CXmlElement::attr(const CString name) const
{ 
	if (!elem) return L"";
	CComBSTR bname(name);
	CComVariant val(VT_EMPTY);
	elem->getAttribute(bname,&val);
	if (val.vt==VT_BSTR) return val.bstrVal;
	return L"";
}

bool CXmlElement::attrBool(const CString name,bool def) const
{
	CString a = attr(name);
	if (a==L"true" || a==L"TRUE") return true;
	else if (a==L"false" || a==L"FALSE") return false;
	else return def;
}

int CXmlElement::attrInt(const CString name, int def) const
{
	CString a = attr(name);
	int i, res=swscanf(a,L"%i",&i);
	if (res==1) return i; else return def;
}

CString CXmlElement::val() const
{ 
	if (!elem) return L"";
	CComVariant val(VT_EMPTY);
	elem->get_nodeTypedValue(&val);
	//AfxMessageBox(val.bstrVal);
	if (val.vt==VT_BSTR) return val.bstrVal;
	return L"";
}

CXmlElement CXmlElement::subnode(const CString name) const
{
	if (!elem) return CXmlElement();
	for (CXmlElement c=begin(); c!=end(); c++)
	{ 
	
		if (c.name()==name) return c;
	
	}
	return CXmlElement();
}

CXmlElement CXmlElement::subnode(const CString name,const CString type,const CString values) const
{
	if (!elem) return CXmlElement();
	//if (!elem) return NULL;
	for (CXmlElement c=begin(); c!=end(); c++)
	{ 
	
		if (c.name()==name && c.attr(type)==values) return c;

	}
	//return NULL;
	return CXmlElement();
}
/*
CXmlElement CXmlElement::subnodeName() const
{
//	*elementNameList=new CString() ;
	if (!elem) return CXmlElement();
	int count =0;
	for (CXmlElement c=begin(); c!=end(); c++)
	{ 
	//	elementNameList.Add(&c.name());
	//	elementNameList[count] =  c.name();
		count ++;
	}
	return CXmlElement();
}
*/


CString CXmlElement::subval(const CString name) const
{
	if (!elem) return L"";
	CXmlElement c=subnode(name);
	return c.val();
}

CString CXmlElement::subval(const CString name,const CString type,const CString values) const
{
	if (!elem) return L"";
	CXmlElement c=subnode(name,type,values);
	return c.val();
}

CXmlElement CXmlElement::begin() const
{
	if (!elem) return CXmlElement();
	CComPtr<IXMLDOMNodeList> iNodeList;
	elem->get_childNodes(&iNodeList);
	return CXmlElement(iNodeList);
}

CXmlElement CXmlElement::end() const
{ 
	return CXmlElement(clen);
}

CXmlElement CXmlElement::operator++(int)
{ 
	if (pos!=-1) {pos++; get();}
	return *this;
}

bool CXmlElement::operator!=(const CXmlElement &e) const
{
	return pos!=e.clen;
}
/*
CXmlElement::CXmlElement(const CXmlElement &XmlElement) 
{ 
	
} */