Exemplo n.º 1
0
int
main(int argc,char **argv)
{
	/* read query from stdin, expect name of indexes in argv[1] */
	static FILE *fa, *fb, *fc;
	char nma[PATH_MAX], nmb[PATH_MAX], nmc[PATH_MAX],
	     *qitem[100], *rprog = NULL;
	char nmd[PATH_MAX], grepquery[256];
	static char oldname[30] ;
	static int was =0;
	/* these pointers are unions of pointer to int and pointer to long */
	long *hpt = 0;
	unsigned *master =0;
	int falseflg, nhash, nitem, nfound = 0, frtbl, kk;

	/* special wart for refpart: default is tags only */

	falseflg = 0;

	while (argc > 1 && argv[1][0] == '-')
	{
		switch(argv[1][1])
		{
		case 'a': /* all output, incl. false drops */
			falseflg = 1; 
			break;
		case 'r':
			argc--; 
			argv++;
			rprog = argv[1];
			break;
		case 'F': /* put out full text */
			full = setfrom(argv[1][2]);
			break;
		case 'T': /* put out tags */
			tags = setfrom(argv[1][2]);
			break;
		case 'i': /* input in argument string */
			argc--; 
			argv++;
			sinput = argv[1];
			break;
		case 's': /*text output to string */
		case 'o':
			argc--; 
			argv++;
			soutput = argv[1];
			if ((intptr_t) argv[2]<16000)
			{
				soutlen = (intptr_t)argv[2];
				argc--; 
				argv++;
			}
			break;
		case 't': /*tag output to string */
			argc--; 
			argv++;
			tagout = argv[1];
			break;
		case 'l': /* length of internal lists */
			argc--; 
			argv++;
			lmaster = atoi(argv[1]);
			break;
		case 'g': /* suppress fgrep search on old files */
			keepold = 0;
			break;
		case 'C': /* coordination level */
			colevel = atoi(argv[1]+2);
# if D1
			fprintf(stderr, "colevel set to %d\n",colevel);
# endif
			break;
		case 'P': /* print term freqs */
			prfreqs=1; 
			break;
		case 'm':
			measure=1; 
			break;
		}
		argc--; 
		argv++;
	}
	if(argc < 2)
		exit(1);
	strcpy (nma, todir(argv[1]));
	if (was == 0 || strcmp (oldname, nma) !=0)
	{
		strcpy (oldname,nma);
		strcpy (nmb, nma); 
		strcpy (nmc, nmb); 
		strcpy(nmd,nma);
		strcat (nma, ".ia");
		strcat (nmb, ".ib");
		strcat (nmc, ".ic");
		strcat (nmd, ".id");
		if (was)
		{
			fclose(fa); 
			fclose(fb); 
			fclose(fc);
		}

		fa = fopen(nma, "r");
		if (fa==NULL)
		{
			strcpy(*fgnamp++ = calloc(strlen(oldname)+2,1), oldname);
			fb=NULL;
			goto search;
		}
		fb = fopen(nmb, "r");
		fc = fopen(nmc, "r");
		was =1;
		if (fb== NULL || fc ==NULL)
		{
			err("Index incomplete %s", nmb);
			exit(1);
		}
		indexdate = gdate(fb);
		fd = fopen(nmd, "r");
	}
	fseek (fa, 0, SEEK_SET);
	fread (&nhash, sizeof(nhash), 1, fa);
	fread (&iflong, sizeof(iflong), 1, fa);
	if(master==0)
		master = calloc (lmaster, iflong? sizeof(long): sizeof(unsigned));
	hpt = calloc(nhash, sizeof(*hpt));
	kk=fread( hpt, sizeof(*hpt), nhash, fa);
# if D1
	fprintf(stderr,"read %d hashes, iflong %d, nhash %d\n", kk, iflong, nhash);
# endif
	assert (kk==nhash);
	hfreq = calloc(nhash, sizeof(*hfreq));
	assert (hfreq != NULL);
	frtbl = fread(hfreq, sizeof(*hfreq), nhash, fa);
	hfrflg = (frtbl == nhash);
# if D1
	fprintf(stderr, "read freqs %d\n", frtbl);
# endif

search:
	while (1)
	{
		nitem = getq(qitem);
		if (measure) tick();
		if (nitem==0) continue;
		if (nitem < 0) break;
		if (tagout) tagout[0]=0;
		if (fb!=NULL)
		{
			nfound = doquery(hpt, nhash, fb, nitem, qitem, master);
# if D1
			fprintf(stderr,"after doquery nfound %d\n", nfound);
# endif
			fgnamp=fgnames;
			if (falseflg == 0)
				nfound = baddrop(master, nfound, fc, nitem, qitem, rprog, full);
# if D1
			fprintf(stderr,"after baddrop nfound %d\n", nfound);
# endif
		}
		if (fgnamp>fgnames)
		{
			char **fgp, tgbuff[100];
			int k;
# if D1
			fprintf(stderr, "were %d bad files\n", fgnamp-fgnames);
# endif
			memset(tgbuff, 0, sizeof (tgbuff));
			grepquery[0]=0;
			for(k=0; k<nitem; k++)
			{
				strcat(grepquery, " ");
				strcat(grepquery, qitem[k]);
			}
# if D1
			fprintf(stderr, "grepquery %s\n",grepquery);
# endif
			for(fgp=fgnames; fgp<fgnamp; fgp++)
			{
# if D1
				fprintf(stderr, "Now on %s query /%s/\n", *fgp, grepquery);
# endif
				makefgrep(*fgp);
# if D1
				fprintf(stderr, "grepmade\n");
# endif
				if (tagout==0)
					tagout=tgbuff;
				grepcall(grepquery, tagout, *fgp);
# if D1
				fprintf(stderr, "tagout now /%s/\n", tagout);
# endif
				if (full)
				{
					int nout;
					char *bout;
					char *tagp;
					char *oldtagp;
					tagp = tagout;
					while (*tagp) {
						oldtagp = tagp;
						while (*tagp && (*tagp != '\n')) 
							tagp++;
						if (*tagp) 
							tagp++;
				                nout = findline(oldtagp, &bout, 1000, 0L);
						if (nout > 0)
						{
							fputs(bout, stdout);
							free(bout); 
						}
					}
				}
			}
		}
		if (tags)
			result (master, nfound >tags ? tags: nfound, fc);
		if (measure) tock();
	}
	/* NOTREACHED */
	return 0;
}
Exemplo n.º 2
0
void
huntmain(int argc,char **argv)
{
	/* read query from stdin, expect name of indexes in argv[1] */
	static FILE *fa, *fb, *fc;
	char indexname[PATH_MAX], *qitem[100], *rprog = 0;
	char grepquery[200];
	static char oldname[30] ;
	static int nhash = 0;
	static int maxhash = 0;
	int falseflg = 0, nitem, nfound, frtbl;
	static long *hpt = 0;
	unsigned *masterp;

# if D1
	fprintf(stderr, "in glue1 argc %d argv %o %o\n", argc, argv[0],argv[1]);
# endif
	savedir();
	while (argv[1][0] == '-')
	{
# if D1
		fprintf(stderr, "argv.1 is %s\n",argv[1]);
# endif
		switch(argv[1][1])
		{
		case 'a': /* all output, incl. false drops */
			falseflg = 1; 
			break;
		case 'r':
			argc--; 
			argv++;
			rprog = argv[1];
			break;
		case 'F': /* put out full text */
			full = setfrom(argv[1][2]);
			break;
		case 'T': /* put out tags */
			tags = setfrom(argv[1][2]);
			break;
		case 'i': /* input in argument string */
			argc--; 
			argv++;
			sinput = argv[1];
			break;
		case 's': /*text output to string */
		case 'o':
			argc--; 
			argv++;
			soutput = argv[1];
			if ((intptr_t) argv[2]<16000)
			{
				soutlen = (intptr_t) argv[2];
				argc--; 
				argv++;
			}
			break;
		case 't': /*tag output to string */
			argc--; 
			argv++;
			tagout = argv[1];
			if ((intptr_t)argv[2]<16000)
			{
				taglen = (intptr_t)argv[2];
				argc--; 
				argv++;
			}
			break;
		case 'l': /* specify length of lists */
			argc--; 
			argv++;
			lmaster = atoi(argv[1]);
# if D1
			fprintf(stderr, "lmaster now %d\n",lmaster);
# endif
			break;
		case 'C': 
			argc--; 
			argv++;
			colevel = atoi(argv[1]);
			break;
		}
		argc--; 
		argv++;
	}
	n_strcpy (indexname, todir(argv[1]), sizeof(indexname));
# if D1
	fprintf(stderr, "in huntmain indexname %s typeindex %d\n", indexname, typeindex);
# endif
	if (typeindex == 0 || strcmp (oldname, indexname) !=0)
	{
		n_strcpy (oldname, indexname, sizeof(oldname));
		unopen(fa); 
		unopen(fb); 
		unopen(fc);

		if (ckexist(indexname, ".ib"))
		{
# if D1
			fprintf(stderr, "found old index\n");
# endif
			fa = iopen(indexname, ".ia");
			fb = iopen(indexname, ".ib");
			fc = iopen(indexname, ".ic");
			typeindex =1;
# if D1
			fprintf(stderr, "opened f's as %o %o %o\n",fa,fb,fc);
# endif
			indexdate = gdate(fb);
			fread (&nhash, sizeof(nhash), 1, fa);
			fread (&iflong, sizeof(iflong), 1, fa);
			if (nhash > maxhash)
			{
				if (hpt)
					free (hpt);
				hpt=0;
				if (hfreq)
					free(hfreq);
				hfreq=0;
				maxhash=nhash;
# if D1
				fprintf(stderr, "Freed if needed maxhash %d\n",maxhash);
# endif
			}
			if (hpt==0)
				hpt = zalloc(nhash, sizeof(*hpt));
# if D1
			fprintf(stderr, "hpt now %o\n",hpt);
# endif
			if (hpt == NULL)
				err("No space for hash list (%d)", nhash);
			fread( hpt, sizeof(*hpt), nhash, fa);
			if (hfreq==0)
				hfreq=zalloc(nhash, sizeof(*hfreq));
			if (hfreq==NULL)
				err("No space for hash frequencies (%d)",
				    nhash);
			frtbl = fread(hfreq, sizeof(*hfreq), nhash, fa);
			hfrflg = (frtbl == nhash);
# if D1
			fprintf(stderr,"Read pointer files\n");
# endif
			if (master.a == NULL)
			{
				if (iflong)
					master.b = zalloc(lmaster, sizeof(long));
				else
					master.a = zalloc(lmaster, sizeof(int));
			}
			if (master.a == NULL)
				err("no space for answer list", 0);
		}
		else
			if (makefgrep(indexname))
				typeindex=2;
			else
			{
				err("No files %s\n", indexname);
				exit(1);
			}
	}

	if (iflong) 
		masterp = (unsigned *) master.b;
	else
		masterp = master.a;

# if D1
	fprintf(stderr, "typeindex now %d\n",typeindex);
# endif
	tagout[0]=0;
	if (typeindex==2)
	{
		grepcall(sinput, tagout, indexname);
# if D1
		fprintf(stderr, " back from grepcall\n");
# endif
		restodir();
		return;
	}
	nitem = getq(qitem);
# if D1
	fprintf(stderr, "approaching doquery fb %o\n", fb);
# endif
	nfound = doquery(hpt, nhash, fb, nitem, qitem, masterp);
# ifdef D1
	fprintf(stderr, "return from doquery with nfound %d\n", nfound);
# endif
	if (falseflg == 0)
		nfound = baddrop(masterp, nfound, fc, nitem, qitem, rprog, full);
# ifdef D1
	fprintf(stderr, "after baddrop with nfound %d\n",nfound);
	fprintf(stderr, "tagout is /%s/, sout /%s/\n",tagout, soutput);
# endif
	if (tags)
		result (masterp, nfound >tags ? tags : nfound, fc);
# if D1
	fprintf(stderr, "done with huntmain\n");
	fprintf(stderr, "tagout is /%s/\n", tagout);
	fprintf(stderr, "string out is /%s/\n", soutput);
# endif
	if (fgnamp>fgnames)
	{
		char **fgp;
		int k;
# if D1
		fprintf(stderr, "were %d bad files\n", fgnamp-fgnames);
# endif
		grepquery[0]=0;
		for(k=0; k<nitem; k++)
		{
			n_strcat(grepquery, " ", sizeof(grepquery));
			n_strcat(grepquery, qitem[k], sizeof(grepquery));
		}
		for(fgp=fgnames; fgp<fgnamp; fgp++)
		{
# if D1
			fprintf(stderr, "Now on %s query /%s/\n", *fgp, grepquery);
# endif
			makefgrep(*fgp);
			grepcall(grepquery, tagout, *fgp);
# if D1
			fprintf(stderr, "tagout now /%s/\n", tagout);
# endif
		}
	}
	restodir();
}