xmlparser.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Fri, 27 Dec 2013 16:00:09 +0100
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/**
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 * xmlparser.c
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 * Copyright (C) 2008 Markus Broeker
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <expat.h>
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#define MAXCHARS 80
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void start (void *data, const XML_Char * name, const XML_Char ** atts)
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{
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    int i = 0;
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    printf ("START TAG: %s\n", name);
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    while (atts[i] != NULL) {
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        printf ("\t[%.2d]: %s\n", i, atts[i]);
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        i++;
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    }
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}
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void end (void *data, const XML_Char * name)
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{
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    printf ("  END TAG: %s\n", name);
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}
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int main (int argc, char **argv)
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{
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    XML_Parser parser;
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    FILE *f;
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    char buffer[MAXCHARS + 1];
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    if (argc != 2) {
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        printf ("Usage: %s <xmlfile>\n", argv[0]);
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        return EXIT_FAILURE;
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    }
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    if ((f = fopen (argv[1], "r")) == NULL) {
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        fprintf (stderr, "Cannot open %s\n", argv[1]);
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        perror ("FOPEN");
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        return EXIT_FAILURE;
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    }
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    if ((parser = XML_ParserCreate (NULL)) == NULL) {
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        perror ("XML_ParserCreate");
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        return EXIT_FAILURE;
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    }
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    XML_SetElementHandler (parser, &start, &end);
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    while (fgets (buffer, MAXCHARS, f) != NULL) {
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        if (!XML_Parse (parser, buffer, strlen (buffer), 0))
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            printf ("XML-ERROR: %s\n", XML_ErrorString (XML_GetErrorCode (parser)));
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    }
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    XML_ParserFree (parser);
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    if (fclose (f)) {
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        perror ("FCLOSE");
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        return EXIT_FAILURE;
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    }
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    return EXIT_SUCCESS;
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}