proplib/prop_array2.c

   1 #include <err.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <prop/proplib.h>
   5
   6 int main(int argc, char *argv[])
   7 {
   8     prop_array_t pa;
   9     prop_object_t po;
  10     prop_object_iterator_t pit;
  11     unsigned int i;
  12     const char *s;
  13
  14     /* */
  15     setprogname(argv[0]);
  16
  17     /* Check argument count */
  18     if (argc != 2) {
  19         fprintf(stderr, "Usage: %s <data.xml>\n", getprogname());
  20         exit(EXIT_FAILURE);
  21     }
  22
  23     /* Read array contents from external XML file */
  24     pa = prop_array_internalize_from_file(argv[1]);
  25     if (pa == NULL)
  26         errx(EXIT_FAILURE, "prop_array_internalize_from_file()");
  27
  28     /* Skim through every item of the array */
  29     for (i = 0; i < prop_array_count(pa); i++) {
  30         s = prop_string_cstring_nocopy(prop_array_get(pa, i));
  31         printf("%s\n", s);
  32     }
  33
  34     /*
  35      * We will now iterate through the items of the array,
  36      * but this time we will exploit a prop_array_iterator_t
  37      */
  38     pit = prop_array_iterator(pa);
  39     if (pit == NULL) {
  40         prop_object_release(pa);
  41         errx(EXIT_FAILURE, "prop_array_iterator()");
  42     }
  43
  44     /* Traverse */
  45     while((po = prop_object_iterator_next(pit)) != NULL)
  46         printf("%s\n", prop_string_cstring_nocopy(po));
  47
  48     /* Release objects */
  49     prop_object_release(pa);
  50     prop_object_iterator_release(pit);
  51
  52     return EXIT_SUCCESS;
  53 }