#include "config.h"

#include <stdio.h>

#include <string.h>

#include "json.h"

#include "parse_flags.h"

#if !defined(HAVE_STRCASECMP) && defined(_MSC_VER)

# define strcasecmp _stricmp

#elif !defined(HAVE_STRCASECMP)

# error You do not have strcasecmp on your system.

#endif /* HAVE_STRNCASECMP */

static struct {

	const char *arg;

	int flag;

} format_args[] = {

	{ "plain", JSON_C_TO_STRING_PLAIN },

	{ "spaced", JSON_C_TO_STRING_SPACED },

	{ "pretty", JSON_C_TO_STRING_PRETTY },

};

#ifndef NELEM

#define NELEM(x) (sizeof(x) / sizeof(x[0]))

#endif

int parse_flags(int argc, char **argv)

{

	int arg_idx;

	int sflags = 0;

	for (arg_idx = 1; arg_idx < argc ; arg_idx++)

	{

		int jj;

		for (jj = 0; jj < (int)NELEM(format_args); jj++)

		{

			if (strcasecmp(argv[arg_idx], format_args[jj].arg) == 0)

			{

				sflags |= format_args[jj].flag;

				break;

			}

		}

		if (jj == NELEM(format_args))

		{

			printf("Unknown arg: %s\n", argv[arg_idx]);

			exit(1);

		}

	}

	return sflags;

}