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Thread: xslt for filtering the xml

  1. #1
    Join Date
    May 2015
    Posts
    213

    xslt for filtering the xml

    Hi,

    I have an xml of the following format:

    It has sections for different models. I just want to get the section for the model that is selected.

    I am looking for the xmlt to do this. and using the xml DOMmparser

    thanks
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  2. #2
    Join Date
    May 2015
    Posts
    213

    Re: xslt for filtering the xml

    I tried to add the following code:
    Code:
    	MSXML2::IXMLDOMElementPtr ptr;
    	HRESULT hr = CoInitialize(NULL);
    	MSXML2::IXMLDOMDocumentPtr pXMLDom;
    	// Load the XML file. 
    	pXMLDom.CreateInstance(__uuidof(MSXML2::DOMDocument60), NULL, CLSCTX_INPROC_SERVER);
    	pXMLDom->load(L"MODEL-LIST001.xml");
    
    	ptr= pXMLDom->selectSingleNode("/MODEL-LIST/MODEL[@ID='450 MHz Default' and @TYPE='Enhanced Macrocell']/MODEL-PARAMS");
    
    But I am unable to set the params to 
    
        hr = pXMLDom->setProperty(BSTR(L"SelectionLanguage"), (CComVariant)L"XPath");
        hr = pXMLDom->setProperty((CComBSTR)"MaxElementDepth", (CComVariant)INT_MAX);

  3. #3
    Join Date
    May 2015
    Posts
    213

    Re: xslt for filtering the xml

    Found the way:
    I had asked somewhat similar Q earlier. and i had assumption that, i get this format for my program input. But was reviewing myself today, i just realised, i may need to do this extra parsing, in case i dont get the format i need.
    Code:
    	CoInitialize(NULL);
    	IXMLDOMDocument2Ptr pXMLDoc = NULL;
    	MSXML2::IXMLDOMNodeListPtr pXMLDomNodeList;
    	BSTR bstrNodeValueParent = NULL;
    	BSTR bstrNodeValueChild = NULL;
    
    	IXMLDOMDocument2Ptr NewDoc = NULL;
    
    	HRESULT hr = pXMLDoc.CreateInstance(__uuidof(DOMDocument60));
    
    	pXMLDoc->setProperty("SelectionLanguage", "XPath");
    
    	pXMLDoc->load("MODEL-LIST001.xml");
    
    	BSTR bstrQueryTemp = SysAllocString(L"/MODEL-LIST/MODEL[@ID='450 MHz Default' and @TYPE='Enhanced Macrocell']");
    	pXMLDomNodeList = pXMLDoc->selectNodes(bstrQueryTemp);
    
    	MSXML2::IXMLDOMNodePtr pXMLDomNode;
    
    	pXMLDomNode = pXMLDoc->selectSingleNode(bstrQueryTemp);
    
    	bstr_t name = pXMLDomNode->GetnodeName();
    
    	//	bstr_t currentxml = ptr->Getxml();
    
    
    	MSXML2::IXMLDOMNamedNodeMapPtr pAttrs = pXMLDomNode->attributes;
    	MSXML2::IXMLDOMNodeList*                pChildlist = NULL;
    	
    	long nAttrs = pAttrs->Getlength();
    
    	//Iterate through each Attribute found
    	for (long nAt = 0; nAt < nAttrs; nAt++)
    	{
    		MSXML2::IXMLDOMNodePtr pAttb = pAttrs->Getitem(nAt);
    		bstr_t bsAttbName = pAttb->nodeName;
    		bstr_t bsAttbValue = pAttb->text;
    	//	TRACE(_T("Attribute = %s is %s\n"), (LPTSTR)bsAttbName, (LPTSTR)bsAttbValue);
    	}
    	
    	pXMLDomNode->get_childNodes(&pChildlist);
    	long size;
    	hr = pChildlist->get_length(&size);
    	for (int i = 0; i < size; i++)
    	{
    		MSXML2::IXMLDOMNodePtr pChild = pChildlist->Getitem(i);
    		bstr_t bsAttbName = pChild->nodeName;
    		bstr_t bsAttbValue = pChild->text;
    	}

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