test-parse.c

Go to the documentation of this file.

#include "libexif/exif-data.h"
#include "libexif/exif-system.h"

#include <string.h>
#include <stdio.h>
#include <stdlib.h>


void content_foreach_func(ExifEntry *entry, void *callback_data);
void content_foreach_func(ExifEntry *entry, void *UNUSED(callback_data))
{
  char buf[2000];
  exif_entry_get_value(entry, buf, sizeof(buf));
  printf("    Entry %p: %s (%s)\n"
         "      Size, Comps: %d, %d\n"
         "      Value: %s\n", 
         entry,
         exif_tag_get_name(entry->tag),
         exif_format_get_name(entry->format),
         entry->size,
         (int)(entry->components),
         exif_entry_get_value(entry, buf, sizeof(buf)));
}


void data_foreach_func(ExifContent *content, void *callback_data);
void data_foreach_func(ExifContent *content, void *callback_data)
{
  printf("  Content %p: ifd=%d\n", content, exif_content_get_ifd(content));
  exif_content_foreach_entry(content, content_foreach_func, callback_data);
}


void test_parse(const char *filename, void *callback_data);
void test_parse(const char *filename, void *callback_data)
{
  ExifData *d;
  printf("File %s\n", filename);

  d = exif_data_new_from_file(filename);
  exif_data_foreach_content(d, data_foreach_func, callback_data);
  exif_data_unref(d);
}


typedef void (*test_parse_func) (const char *filename, void *callback_data);


void split_ws_string(const char *string, test_parse_func func, void *callback_data);
void split_ws_string(const char *string, test_parse_func func, void *callback_data)
{
  const char *start = string;
  const char *p = start;
  for (;;) {
    if (*p == ' ' || *p == '\t' || *p == '\n' || *p == '\r' || *p == '\0' ) {
      size_t len = p-start;
      if (len > 0) {
        /* emulate strndup */
        char *str = malloc(1+len);
        if (str) {
          memcpy(str, start, len);
          str[len] = '\0';
          func(str, callback_data);
          free(str);
          start = p+1;
        }
      } else {
        start = p+1;
      }
    }
    if (*p == '\0') {
      break;
    }
    p++;
  }  
}


int main(const int argc, const char *argv[])
{
  int i;
  void *callback_data = NULL;

  const char *envar = getenv("TEST_IMAGES");
  if (envar) {
    split_ws_string(envar, test_parse, callback_data);
  }

  for (i=1; i<argc; i++) {
    test_parse(argv[i], callback_data);
  }

  return 0;
}

---