Source Code File 07-03_newxml3

07-03_newxml3.c

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

int main()
{
    const xmlChar *r = (const xmlChar *)"root";
    const xmlChar *element = (const xmlChar *)"data";
    const xmlChar *value = (const xmlChar *)"Yes, I'm data!";
    xmlDocPtr doc;
    xmlNodePtr root,node;

    doc = xmlNewDoc( (const xmlChar *)"1.0");
    root = xmlNewDocNode( doc, NULL, r, NULL);
    xmlDocSetRootElement( doc, root );
    node = xmlNewTextChild( root, NULL, element, value);

    xmlSaveFormatFile( "-", doc, 0 );

    xmlFreeDoc(doc);

    return(0);
}

Output

<?xml version="1.0"?>
<root><data>Yes, I'm data!</data></root>

Notes

* To output the data in a pretty manner, change the third argument of the xmlSaveFormatFile() function to 1 from 0.

* This code dispenses with error checking, as described in the book. In your code, always check for the NULL pointer returned from functions xmlNewDoc(), xmlNewDocNode(), and xmlNewTextChild().

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