mirror.c

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#include "options/mirror.h"
#include "options/builder.h"
#include "options/common.h"
 
#include "asciichat_errno.h"
#include "common.h"
#include "log/logging.h"
#include "options/options.h"
#include "options/validation.h"
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
// ============================================================================
// Mirror Option Parsing
// ============================================================================
 
asciichat_error_t parse_mirror_options(int argc, char **argv, options_t *opts) {
  const options_config_t *config = options_preset_mirror("ascii-chat mirror", "view local webcam as ascii art");
  int remaining_argc;
  char **remaining_argv;
 
  // Apply defaults from preset before parsing command-line args
  asciichat_error_t defaults_result = options_config_set_defaults(config, opts);
  if (defaults_result != ASCIICHAT_OK) {
    options_config_destroy(config);
    return defaults_result;
  }
 
  asciichat_error_t result = options_config_parse(config, argc, argv, opts, &remaining_argc, &remaining_argv);
  if (result != ASCIICHAT_OK) {
    options_config_destroy(config);
    return result;
  }
 
  // Check for unexpected remaining arguments
  if (remaining_argc > 0) {
    (void)fprintf(stderr, "Error: Unexpected arguments after options:\n");
    for (int i = 0; i < remaining_argc; i++) {
      (void)fprintf(stderr, "  %s\n", remaining_argv[i]);
    }
    options_config_destroy(config);
    return option_error_invalid();
  }
 
  options_config_destroy(config);
  return ASCIICHAT_OK;
}
 
// ============================================================================
// Mirror Usage Text
// ============================================================================
 
void usage_mirror(FILE *desc) {
  // Get config with program name and description
  const options_config_t *config = options_preset_mirror("ascii-chat mirror", "view local webcam as ascii art");
  if (!config) {
    (void)fprintf(desc, "Error: Failed to create options config\n");
    return;
  }
 
  (void)fprintf(desc, "%s - %s\n\n", config->program_name, config->description);
  (void)fprintf(desc, "USAGE:\n");
  (void)fprintf(desc, "  %s [options...]\n\n", config->program_name);
 
  // Generate options from builder configuration
  options_config_print_usage(config, desc);
 
  // Clean up the config
  options_config_destroy(config);
}