Source Code File 06-02_nodevalue2

06-02_nodevalue2.c

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

int main()
{
    const char filename[] = "sample.xml";
    xmlDocPtr doc;
    xmlNodePtr root,node,cnode;
    xmlChar *value;

    doc = xmlParseFile(filename);
    if( doc==NULL )
    {
        fprintf(stderr,"Unable to open %s\n",filename);
        exit(1);
    }

    root = xmlDocGetRootElement(doc);
    node = root->children;
    while( node!=NULL )
    {
        if( !xmlStrcmp(node->name,(const xmlChar *)"address"))
        {
            cnode = node->children;
            while( cnode!=NULL )
            {
                if( !xmlStrcmp(
                            cnode->name,
                            (const xmlChar *)"street")
                  )
                {
                    value = xmlNodeListGetString(
                            doc,
                            cnode->children,
                            1
                            );
                    printf("Value of <%s> is '%s'\n",
                            cnode->name,
                            value
                          );
                    xmlFree(value);
                    break;
                }
                cnode = cnode->next;
            }
            break;
        }
        node = node->next;
    }

    xmlFreeDoc(doc);

    return(0);
}

Output

Value of <street> is '123 Evil Ave.'

Notes

* Several statements in this code are split across multiple lines to make the code presentation in the eBook more readable.

← 06-01_nodevalue1.c — 06-03_nodevalue3.c →