ab-convert.c

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

#include "src/aerial-berlin.h"
#include "src/tile.h"

int main(int argc, char **argv)
{
  options *opts = create_options();

  int opt;
  const char *shortopts = "+b:qvh";
  const struct option longopts[] = {
    {"bands",   required_argument,  NULL,   'b'},
    {"quiet",   no_argument,        NULL,   'q'},
    {"version", no_argument,        NULL,   'v'},
    {"help",    no_argument,        NULL,   'h'},
    {0,         0,                  0,      0}
  };

  while ((opt = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
    switch (opt) {
    case 'b':
      if (parse_bands(opts, optarg))
        exit(EXIT_FAILURE);
      break;
    case 'q':
      opts->verbose = 1;
      break;
    case 'v':
      print_version();
      destroy_options(opts);
      return 0;
    case 'h':
      print_convert_help();
      destroy_options(opts);
      return 0;
    case '?':
      break;
    }
  }

  if (argc - optind == 2) {
    opts->indir = argv[optind++];
    opts->outdir = argv[optind++];
  } else {
    fprintf(stderr,
            "ERROR: Expected 2 positional argument: input directory and output directory. Found %d\n",
            argc - optind);
    destroy_options(opts);
    return 1;
  }

  if (opts->verbose)
    print_options(opts);

  if (check_dir(opts->indir)) {
    fprintf(stderr, "ERROR: Could not access directory '%s'\n", opts->indir);
    destroy_options(opts);
    return 1;
  }

  if (check_dir(opts->outdir)) {
    fprintf(stderr, "ERROR: Could not access directory '%s'\n", opts->outdir);
    destroy_options(opts);
    return 1;
  }

  List *files = gather_files(opts->indir);

  convert_files(files, opts);
  delete_list(files);
  destroy_options(opts);
  return 0;
}