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libxml2

    1: <![CDATA[
    2: #include <stdio.h>
    3: #include <string.h>
    4: #include <stdlib.h>
    5: #include <libxml/xmlmemory.h>
    6: #include <libxml/parser.h>
    7: 
    8: 
    9: xmlDocPtr
   10: parseDoc(char *docname, char *uri) {
   11: 
   12: 	xmlDocPtr doc;
   13: 	xmlNodePtr cur;
   14: 	xmlNodePtr newnode;
   15: 	xmlAttrPtr newattr;
   16: 
   17: 	doc = xmlParseFile(docname);
   18: 	
   19: 	if (doc == NULL ) {
   20: 		fprintf(stderr,"Document not parsed successfully. \n");
   21: 		return (NULL);
   22: 	}
   23: 	
   24: 	cur = xmlDocGetRootElement(doc);
   25: 	
   26: 	if (cur == NULL) {
   27: 		fprintf(stderr,"empty document\n");
   28: 		xmlFreeDoc(doc);
   29: 		return (NULL);
   30: 	}
   31: 	
   32: 	if (xmlStrcmp(cur->name, (const xmlChar *) "story")) {
   33: 		fprintf(stderr,"document of the wrong type, root node != story");
   34: 		xmlFreeDoc(doc);
   35: 		return (NULL);
   36: 	}
   37: 	
   38: 	newnode = xmlNewTextChild (cur, NULL, "reference", NULL);
   39: 	newattr = xmlNewProp (newnode, "uri", uri);
   40: 	return(doc);
   41: }
   42: 
   43: int
   44: main(int argc, char **argv) {
   45: 
   46: 	char *docname;
   47: 	char *uri;
   48: 	xmlDocPtr doc;
   49: 
   50: 	if (argc <= 2) {
   51: 		printf("Usage: %s docname, uri\n", argv[0]);
   52: 		return(0);
   53: 	}
   54: 
   55: 	docname = argv[1];
   56: 	uri = argv[2];
   57: 	doc = parseDoc (docname, uri);
   58: 	if (doc != NULL) {
   59: 		xmlSaveFormatFile (docname, doc, 1);
   60: 		xmlFreeDoc(doc);
   61: 	}
   62: 	return (1);
   63: }
   64: ]]>