summaryrefslogtreecommitdiffhomepage
path: root/src/driver/amgc_amain.c
blob: 41b174c0a11cd723fb8b811c6a81d4b88e421fe5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
/**********************************************************/
/*  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_driver_impl.h"

#ifndef AMGC_DRIVER_FLAGS
#define AMGC_DRIVER_FLAGS	AMGC_DRIVER_VERBOSITY_ERRORS \
				| AMGC_DRIVER_VERBOSITY_USAGE
#endif

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

static const char * const amgc_ver_color[6] = {
		"\x1b[1m\x1b[35m","\x1b[0m",
		"\x1b[1m\x1b[32m","\x1b[0m",
		"\x1b[1m\x1b[34m","\x1b[0m"
};

static const char * const amgc_ver_plain[6] = {
		"","",
		"","",
		"",""
};

static ssize_t amgc_version(struct amgc_driver_ctx * dctx)
{
	const struct amgc_source_version * verinfo;
	const char * const * verclr;

	verinfo = amgc_source_version();
	verclr  = isatty(STDOUT_FILENO) ? amgc_ver_color : amgc_ver_plain;

	return fprintf(stdout,vermsg,
			verclr[0],dctx->program,verclr[1],
			verclr[2],verinfo->major,verinfo->minor,
			verinfo->revision,verclr[3],
			verclr[4],verinfo->commit,verclr[5]);
}

static void amgc_perform_unit_actions(struct amgc_unit_ctx * uctx)
{
	const struct amgc_action * action;

	for (action=uctx->cctx->actions; action->type; action++)
		amgc_perform_unit_action(uctx,action,0,stdout);
}

static int amgc_exit(struct amgc_driver_ctx * dctx, int ret)
{
	amgc_output_error_vector(dctx);
	amgc_free_driver_ctx(dctx);
	return ret;
}

int amgc_main(int argc, char ** argv, 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 ((amgc_version(dctx)) < 0)
			return amgc_exit(dctx,2);

	for (unit=dctx->units; *unit; unit++) {
		if (!(amgc_get_unit_ctx(dctx,*unit,&uctx))) {
			amgc_perform_unit_actions(uctx);
			amgc_free_unit_ctx(uctx);
		}
	}

	return amgc_exit(dctx,dctx->errv[0] ? 2 : 0);
}