/**********************************************************/

/*  apimagic: cparser-based API normalization utility     */

/*  Copyright (C) 2015--2016  Z. Gilboa                   */

/*  Released under GPLv2 and GPLv3; see COPYING.APIMAGIC. */

/**********************************************************/

#include <stdio.h>

#include <unistd.h>

#include <apimagic/apimagic.h>

#include "apimagic_version.h"

#ifndef AMGC_DRIVER_FLAGS

#define AMGC_DRIVER_FLAGS	AMGC_DRIVER_VERBOSITY_ERRORS \

				| AMGC_DRIVER_VERBOSITY_USAGE

#endif

static const char vermsg[] = "%s (git://midipix.org/apimagic): commit %s.\n";

static ssize_t apimagic_version(struct amgc_driver_ctx * dctx)

{

	return fprintf(stdout,vermsg,dctx->program,APIMAGIC_GIT_VERSION);

}

static void apimagic_perform_unit_actions(struct amgc_unit_ctx * uctx)

{

	const struct amgc_action * action;

	for (action=uctx->cctx->actions; action->type; action++)

		switch (action->action) {

			case AMGC_OUTPUT_ENUM:

				if (action->symbol)

					(void)0;

				else

					amgc_output_unit_enums(uctx,0,stdout);

				break;

			case AMGC_LIST_ENUM:

				if (action->symbol)

					(void)0;

				else

					amgc_list_unit_enums(uctx,0,stdout);

				break;

		}

}

static int apimagic_exit(struct amgc_driver_ctx * dctx, int nerrors)

{

	amgc_free_driver_ctx(dctx);

	return nerrors ? 2 : 0;

}

int apimagic_main(int argc, const char ** argv, const char ** envp)

{

	int				ret;

	struct amgc_driver_ctx *	dctx;

	struct amgc_unit_ctx *		uctx;

	const char **			unit;

	if ((ret = amgc_get_driver_ctx(argv,envp,AMGC_DRIVER_FLAGS,&dctx)))

		return (ret == AMGC_USAGE) ? !--argc : 2;

	if (dctx->cctx->drvflags & AMGC_DRIVER_VERSION)

		if ((apimagic_version(dctx)) < 0)

			return apimagic_exit(dctx,2);

	for (unit=dctx->units; *unit; unit++) {

		if (!(amgc_get_unit_ctx(dctx,*unit,&uctx))) {

			apimagic_perform_unit_actions(uctx);

			ret += uctx->nerrors;

			amgc_free_unit_ctx(uctx);

		} else

			ret++;

	}

	return apimagic_exit(dctx,ret);

}

#ifndef APIMAGIC_IN_A_BOX

int main(int argc, const char ** argv, const char ** envp)

{

	return apimagic_main(argc,argv,envp);

}

#endif