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Source Code File 06-04_attributes

06-04_attributes.c

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

void get_attrib(xmlNodePtr n,const xmlChar *a)
{
    xmlNodePtr cur;
    xmlChar *attrib;

    for(cur=n; cur; cur=cur->next)
    {
        if( cur->type==XML_ELEMENT_NODE )
        {
            attrib = xmlGetProp(cur,a);
            if( attrib!=NULL )
                printf("<%s> has '%s' attribute: %s\n",
                        cur->name,
                        a,
                        attrib
                      );
            xmlFree(attrib);
            if( cur->children )
                get_attrib(cur->children,a);
        }
    }
}

int main()
{
    const char filename[] = "sample.xml";
    xmlDocPtr doc;
    xmlNodePtr root;

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

    root = xmlDocGetRootElement(doc);
    get_attrib(root,(const xmlChar *)"type");

    xmlFreeDoc(doc);

    return(0);
}

Output

<phone> has 'type' attribute: lab
<phone> has 'type' attribute: mobile