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#ifndef lint
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static const char RCSid[] = "$Id: mgfilt.c,v 1.8 2003/11/15 17:54:06 schorsch Exp $";
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#endif
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/*
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* Filter MGF stream, removing entities that won't be understood
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "mgf_parser.h"
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/* Number of entities for major versions */
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short nentlist[MG_VMAJOR] = MG_NELIST;
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int
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put_entity( /* general output routine */
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register int ac,
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register char **av
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)
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{
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while (ac-- > 0) {
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fputs(*av++, stdout);
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putchar(ac ? ' ' : '\n');
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}
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return(MG_OK);
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}
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int
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main( /* first argument is understood entities, comma-sep. */
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int argc,
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char *argv[]
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)
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{
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char *cp1, *cp2;
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int i, en;
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if (argc < 2) {
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fprintf(stderr,
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"Usage: %s { version | entity,list } [file ..]\n",
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argv[0]);
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exit(1);
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}
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if (isint(argv[1])) {
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i = atoi(argv[1]);
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if ((i < 1) | (i > MG_VMAJOR)) {
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fprintf(stderr, "%s: bad version number: %d\n",
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argv[0], i);
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exit(1);
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}
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for (en = nentlist[i-1]; en--; )
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mg_ehand[en] = put_entity;
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mg_ehand[MG_E_INCLUDE] = NULL; /* expand include's */
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} else
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for (cp1 = cp2 = argv[1]; *cp1; cp1 = cp2) {
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while (*cp2) {
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if (*cp2 == ',') {
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*cp2++ = '\0';
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break;
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}
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cp2++;
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}
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en = mg_entity(cp1);
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if (en < 0) {
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fprintf(stderr, "%s: %s: no such entity\n",
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argv[0], cp1);
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exit(1);
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}
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mg_ehand[en] = put_entity;
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}
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mg_init();
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if (argc < 3) {
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if (mg_load((char *)NULL) != MG_OK)
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exit(1);
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if (mg_nunknown)
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printf("%s %s: %u unknown entities on input\n",
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mg_ename[MG_E_COMMENT],
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argv[0], mg_nunknown);
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exit(0);
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}
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for (i = 2; i < argc; i++) {
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if (mg_load(argv[i]) != MG_OK)
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exit(1);
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if (mg_nunknown) {
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printf("%s %s: %u unknown entities\n",
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mg_ename[MG_E_COMMENT],
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argv[i], mg_nunknown);
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mg_nunknown = 0;
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}
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}
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exit(0);
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}
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