学步园

//#include <Windows.h><br /> #include <tchar.h><br /> #include <ObjBase.h><br /> #include <MsXml2.h><br /> #include <stdio.h></p> <p>void dprintf(char* format,...)<br /> {<br /> static char buf[1024];<br /> va_list args;<br /> va_start(args,format);<br /> vsprintf_s(buf,format,args);<br /> va_end(args);<br /> OutputDebugStringA(buf);<br /> printf("%s",buf);<br /> }</p> <p>#define HRCALL(a,errmsg) /<br /> do{ /<br /> hr = (a); /<br /> if(FAILED(hr)) /<br /> { dprintf("%s:%d HRCALL Failed:%s/n 0x%.8x = %s/n", /<br /> __FILE__,__LINE__,errmsg,hr,#a); /<br /> goto clean; /<br /> } /<br /> }while(0);</p> <p>IXMLDOMDocument * DomFromCom()<br /> {<br /> HRESULT hr;<br /> IXMLDOMDocument *pXMLDom = NULL;</p> <p> HRCALL(CoCreateInstance(__uuidof(DOMDocument60),<br /> NULL,<br /> CLSCTX_INPROC_SERVER,<br /> __uuidof(IXMLDOMDocument),<br /> (void**)&pXMLDom),<br /> L"Create a new document.");</p> <p> HRCALL(pXMLDom->put_async(VARIANT_FALSE),L"should never fail.");</p> <p> HRCALL(pXMLDom->put_validateOnParse(VARIANT_FALSE),L"shoule never fail.");</p> <p> HRCALL(pXMLDom->put_resolveExternals(VARIANT_FALSE),L"should never fail.");</p> <p> return pXMLDom;</p> <p>clean:<br /> if(pXMLDom)<br /> pXMLDom->Release();<br /> return NULL;<br /> }</p> <p>void _tmain(int argc,_TCHAR* argv[])<br /> {<br /> CoInitialize(NULL);</p> <p> HRESULT hr;</p> <p> IXMLDOMDocument *pXMLDom = NULL;<br /> pXMLDom = DomFromCom();<br /> if(!pXMLDom) goto clean;</p> <p> VARIANT var;<br /> VariantInit(&var);<br /> V_BSTR(&var) = SysAllocString(L"stocks.xml");<br /> V_VT(&var) = VT_BSTR;<br /> VARIANT_BOOL status;<br /> HRCALL(pXMLDom->load(var,&status),L"");</p> <p> IXMLDOMParseError *pXMLErr = NULL;<br /> BSTR bstr;<br /> if(VARIANT_TRUE != status)<br /> {<br /> HRCALL(pXMLDom->get_parseError(&pXMLErr),L"");<br /> HRCALL(pXMLErr->get_reason(&bstr),L"");<br /> dprintf("Failed to load DOM from stocks.xml. %S/n",<br /> bstr);</p> <p> goto clean;<br /> }</p> <p> HRCALL(pXMLDom->get_xml(&bstr),"");<br /> dprintf("XML load DOM from stocks.xml. %S/n",bstr);</p> <p>clean:<br /> if(bstr) SysFreeString(bstr);<br /> if(&var) VariantClear(&var);<br /> if(pXMLErr) pXMLErr->Release();<br /> if(pXMLDom) pXMLDom->Release();</p> <p> CoUninitialize();<br /> }

stocks.xml

<?xml version="1.0"?><br /> <?xml:stylesheet type="text/xsl" href="stock.xsl"?><br /> <portfolio xmlns:dt="urn:schemas-microsoft-com:datatypes"><br /> <stock exchange="nasdaq"><br /> <name>new</name><br /> <symbol>zzzz</symbol><br /> <price dt:dt="number">20.313</price><br /> </stock><br /> <stock exchange="nyse"><br /> <name>zacx corp</name><br /> <symbol>ZCXM</symbol><br /> <price dt:dt="number">28.875</price><br /> </stock><br /> <stock exchange="nasdaq"><br /> <name>zaffymat inc</name><br /> <symbol>ZFFX</symbol><br /> <price dt:dt="number">92.250</price><br /> </stock><br /> <stock exchange="nasdaq"><br /> <name>zysmergy inc</name><br /> <symbol>ZYSZ</symbol><br /> <price dt:dt="number">20.313</price><br /> </stock><br /> </portfolio>