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VTD-XML: XML Processing for the Future (Part I)

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17 Apr 2008CPOL10 min read 96.1K   1.1K   59  
Introduce VTD-XML, the future of XML processing
#include "everything.h"

struct exception_context the_exception_context[1];
#if 1

int main(){

	exception e;
	VTDGen *vg = NULL; // This is the VTDGen that parses XML
	VTDNav *vn = NULL, *vn2=NULL; // This is the VTDNav that navigates the VTD records
	//AutoPilot *ap = NULL;
	XMLModifier *xm = NULL;
	UByte *ba1 = NULL, *ba2=NULL;
	ElementFragmentNs *efs = NULL;
	int result;
	Long l;
	Try{
		vg = createVTDGen();
		// test2.xml is encoded in UTF-16LE
		if (parseFile(vg,TRUE,"D:/vtd-xml-tutorials/c_tutorial_by_code_examples_2.3/12/test2.xml")==FALSE){
			// parsing failed
			free(vg->XMLDoc);
			freeVTDGen(vg);
			return;
		}
		//parse(vg,TRUE);
		vn = getNav(vg);	
		ba1 =vn->XMLDoc;
		efs = getElementFragmentNs(vn);

		if (parseFile(vg,TRUE,"D:/vtd-xml-tutorials/c_tutorial_by_code_examples_2.3/12/test.xml")==FALSE){
			// parsing failed
			free(ba1);
			freeVTDNav(vn);
			free(vg->XMLDoc);
			freeVTDGen(vg);
			return;
		}
		vn2 = getNav(vg);
		xm = createXMLModifier2(vn2);
		toElement(vn2, FIRST_CHILD);
		insertAfterElement4(xm,efs);
		insertBeforeElement4(xm,efs);
		output2(xm,"D:/vtd-xml-tutorials/c_tutorial_by_code_examples_2.3/12/output.xml");
		
		free(vn2->XMLDoc);
		free(ba1);
		freeVTDNav(vn2);
		freeXMLModifier(xm);
		freeElementFragmentNs(efs);
		free(vn);
		//freeAutoPilot(ap);
		freeVTDGen(vg);

	}
	Catch (e) {
		if (e.et == parse_exception)
			wprintf(L"parse exception e ==> %s \n %s\n", e.msg, e.sub_msg);	
		// manual garbage collection here
		freeVTDGen(vg);
	}
	return 0;
}
#endif

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Chief Technology Officer XimpleWare
United States United States
Jimmy Zhang is a cofounder of XimpleWare, a provider of high performance XML processing solutions. He has working experience in the fields of electronic design automation and Voice over IP for a number of Silicon Valley high-tech companies. He holds both a BS and MS from the department of EECS from U.C. Berkeley.

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