source: vbox/trunk/src/libs/libxml2-2.6.30/doc/tutorial/includeaddkeyword.c@ 11632

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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>

void
parseStory (xmlDocPtr doc, xmlNodePtr cur, char *keyword) {

        xmlNewTextChild (cur, NULL, "keyword", keyword);
    return;
}

xmlDocPtr
parseDoc(char *docname, char *keyword) {

        xmlDocPtr doc;
        xmlNodePtr cur;

        doc = xmlParseFile(docname);
        
        if (doc == NULL ) {
                fprintf(stderr,"Document not parsed successfully. \n");
                return (NULL);
        }
        
        cur = xmlDocGetRootElement(doc);
        
        if (cur == NULL) {
                fprintf(stderr,"empty document\n");
                xmlFreeDoc(doc);
                return (NULL);
        }
        
        if (xmlStrcmp(cur->name, (const xmlChar *) "story")) {
                fprintf(stderr,"document of the wrong type, root node != story");
                xmlFreeDoc(doc);
                return (NULL);
        }
        
        cur = cur->xmlChildrenNode;
        while (cur != NULL) {
                if ((!xmlStrcmp(cur->name, (const xmlChar *)"storyinfo"))){
                        parseStory (doc, cur, keyword);
                }
                 
        cur = cur->next;
        }
        return(doc);
}

int
main(int argc, char **argv) {

        char *docname;
        char *keyword;
        xmlDocPtr doc;

        if (argc <= 2) {
                printf("Usage: %s docname, keyword\n", argv[0]);
                return(0);
        }

        docname = argv[1];
        keyword = argv[2];
        doc = parseDoc (docname, keyword);
        if (doc != NULL) {
                xmlSaveFormatFile (docname, doc, 0);
                xmlFreeDoc(doc);
        }
        
        return (1);
}
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