cv/mgflib/mgfilt.c

/* Copyright (c) 1995 Regents of the University of California */

#ifndef lint
static char SCCSid[] = "$SunId$ LBL";
#endif

/*
 * Filter MGF stream, removing entities that won't be understood
 */

#include <stdio.h>
#include "parser.h"


int
put_entity(ac, av)              /* general output routine */
register int    ac;
register char   **av;
{
        while (ac-- > 0) {
                fputs(*av++, stdout);
                putchar(ac ? ' ' : '\n');
        }
        return(MG_OK);
}


main(argc, argv)        /* first argument is understood entities, comma-sep. */
int     argc;
char    *argv[];
{
        char    *cp1, *cp2;
        int     i, en;

        if (argc < 2) {
                fprintf(stderr, "Usage: %s entity,list [file ..]\n", argv[0]);
                exit(1);
        }
        for (cp1 = cp2 = argv[1]; *cp1; cp1 = cp2) {
                while (*cp2) {
                        if (*cp2 == ',') {
                                *cp2++ = '\0';
                                break;
                        }
                        cp2++;
                }
                en = mg_entity(cp1);
                if (en < 0) {
                        fprintf(stderr, "%s: %s: no such entity\n",
                                        argv[0], cp1);
                        exit(1);
                }
                mg_ehand[en] = put_entity;
        }
        mg_init();
        if (argc < 3) {
                if (mg_load((char *)NULL) != MG_OK)
                        exit(1);
                if (mg_nunknown)
                        printf("%s %s: %u unknown entities on input\n",
                                        mg_ename[MG_E_COMMENT],
                                        argv[0], mg_nunknown);
                exit(0);
        }
        for (i = 2; i < argc; i++) {
                if (mg_load(argv[i]) != MG_OK)
                        exit(1);
                if (mg_nunknown) {
                        printf("%s %s: %u unknown entities\n",
                                        mg_ename[MG_E_COMMENT],
                                        argv[i], mg_nunknown);
                        mg_nunknown = 0;
                }
        }
        exit(0);
}
Revision:	1.3
Committed:	Thu May 11 20:17:31 1995 UTC (28 years, 11 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 1.2:	+17 -3 lines
Log Message:	added default handling of undefined entities
#	User	Rev	Content
1	greg	1.2	/* Copyright (c) 1995 Regents of the University of California */
2	greg	1.1
3			#ifndef lint
4			static char SCCSid[] = "$SunId$ LBL";
5			#endif
6
7			/*
8			* Filter MGF stream, removing entities that won't be understood
9			*/
10
11			#include <stdio.h>
12			#include "parser.h"
13
14
15			int
16			put_entity(ac, av) /* general output routine */
17			register int ac;
18			register char **av;
19			{
20			while (ac-- > 0) {
21			fputs(*av++, stdout);
22			putchar(ac ? ' ' : '\n');
23			}
24			return(MG_OK);
25			}
26
27
28	greg	1.2	main(argc, argv) /* first argument is understood entities, comma-sep. */
29	greg	1.1	int argc;
30	greg	1.2	char *argv[];
31	greg	1.1	{
32	greg	1.2	char cp1, cp2;
33	greg	1.1	int i, en;
34
35	greg	1.2	if (argc < 2) {
36			fprintf(stderr, "Usage: %s entity,list [file ..]\n", argv[0]);
37			exit(1);
38			}
39			for (cp1 = cp2 = argv[1]; *cp1; cp1 = cp2) {
40			while (*cp2) {
41			if (*cp2 == ',') {
42			*cp2++ = '\0';
43			break;
44			}
45			cp2++;
46			}
47			en = mg_entity(cp1);
48	greg	1.1	if (en < 0) {
49			fprintf(stderr, "%s: %s: no such entity\n",
50	greg	1.2	argv[0], cp1);
51	greg	1.1	exit(1);
52			}
53			mg_ehand[en] = put_entity;
54			}
55			mg_init();
56	greg	1.3	if (argc < 3) {
57			if (mg_load((char *)NULL) != MG_OK)
58			exit(1);
59			if (mg_nunknown)
60			printf("%s %s: %u unknown entities on input\n",
61			mg_ename[MG_E_COMMENT],
62			argv[0], mg_nunknown);
63			exit(0);
64			}
65			for (i = 2; i < argc; i++) {
66	greg	1.2	if (mg_load(argv[i]) != MG_OK)
67			exit(1);
68	greg	1.3	if (mg_nunknown) {
69			printf("%s %s: %u unknown entities\n",
70			mg_ename[MG_E_COMMENT],
71			argv[i], mg_nunknown);
72			mg_nunknown = 0;
73			}
74			}
75	greg	1.2	exit(0);
76	greg	1.1	}