/**

 * xmlparser.c

 * Copyright (C) 2008 Markus Broeker

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <expat.h>

#define MAXCHARS 80

void start (void *data, const XML_Char * name, const XML_Char ** atts)

{

    int i = 0;

    printf ("START TAG: %s\n", name);

    while (atts[i] != NULL) {

        printf ("\t[%.2d]: %s\n", i, atts[i]);

        i++;

    }

}

void end (void *data, const XML_Char * name)

{

    printf ("  END TAG: %s\n", name);

}

int main (int argc, char **argv)

{

    XML_Parser parser;

    FILE *f;

    char buffer[MAXCHARS + 1];

    if (argc != 2) {

        printf ("Usage: %s <xmlfile>\n", argv[0]);

        return EXIT_FAILURE;

    }

    if ((f = fopen (argv[1], "r")) == NULL) {

        fprintf (stderr, "Cannot open %s\n", argv[1]);

        perror ("FOPEN");

        return EXIT_FAILURE;

    }

    if ((parser = XML_ParserCreate (NULL)) == NULL) {

        perror ("XML_ParserCreate");

        return EXIT_FAILURE;

    }

    XML_SetElementHandler (parser, &start, &end);

    while (fgets (buffer, MAXCHARS, f) != NULL) {

        if (!XML_Parse (parser, buffer, strlen (buffer), 0))

            printf ("XML-ERROR: %s\n", XML_ErrorString (XML_GetErrorCode (parser)));

    }

    XML_ParserFree (parser);

    if (fclose (f)) {

        perror ("FCLOSE");

        return EXIT_FAILURE;

    }

    return EXIT_SUCCESS;

}