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337 lines
7.0 KiB
C
337 lines
7.0 KiB
C
/*-
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1980, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)getNAME.c 8.1 (Berkeley) 6/30/93";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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/*
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* Get name sections from manual pages.
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* -t for building toc
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* -i for building intro entries
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* other apropos database
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*/
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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int tocrc;
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int intro;
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int typeflag;
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void doname(char *);
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void dorefname(char *);
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void getfrom(char *);
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void split(char *, char *);
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void trimln(char *);
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static void usage(void);
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int
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main(int argc, char *argv[])
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{
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int ch;
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while ((ch = getopt(argc, argv, "itw")) != -1)
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switch(ch) {
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case 'i':
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intro = 1;
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break;
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case 't':
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tocrc = 1;
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break;
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case 'w':
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typeflag = 1;
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (!*argv)
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usage();
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for (; *argv; ++argv)
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getfrom(*argv);
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exit(0);
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}
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void
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getfrom(char *pathname)
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{
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int i = 0;
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char *name, *loc;
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char headbuf[BUFSIZ];
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char linbuf[BUFSIZ];
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if (freopen(pathname, "r", stdin) == 0) {
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warn("%s", pathname);
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return;
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}
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if ((name = strrchr(pathname, '/')))
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name++;
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else
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name = pathname;
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for (;;) {
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if (fgets(headbuf, sizeof headbuf, stdin) == NULL) {
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if (typeflag)
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printf("%-60s UNKNOWN\n", pathname);
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return;
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}
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if (headbuf[0] != '.')
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continue;
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if ((headbuf[1] == 'T' && headbuf[2] == 'H') ||
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(headbuf[1] == 't' && headbuf[2] == 'h'))
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break;
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if (headbuf[1] == 'D' && headbuf[2] == 't') {
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if (typeflag) {
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printf("%-60s NEW\n", pathname);
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return;
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}
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goto newman;
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}
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}
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if (typeflag) {
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printf("%-60s OLD\n", pathname);
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return;
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}
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for (;;) {
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if (fgets(linbuf, sizeof linbuf, stdin) == NULL)
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return;
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if (linbuf[0] != '.')
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continue;
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if (linbuf[1] == 'S' && linbuf[2] == 'H')
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break;
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if (linbuf[1] == 's' && linbuf[2] == 'h')
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break;
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}
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trimln(headbuf);
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if (tocrc)
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doname(name);
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if (!tocrc && !intro)
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printf("%s\t", headbuf);
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linbuf[0] = '\0';
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for (;;) {
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if (fgets(headbuf, sizeof headbuf, stdin) == NULL)
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break;
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if (headbuf[0] == '.') {
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if (headbuf[1] == 'S' && headbuf[2] == 'H')
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break;
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if (headbuf[1] == 's' && headbuf[2] == 'h')
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break;
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}
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if (i != 0)
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strcat(linbuf, " ");
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i++;
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trimln(headbuf);
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strcat(linbuf, headbuf);
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}
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if (intro)
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split(linbuf, name);
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else
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printf("%s\n", linbuf);
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return;
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newman:
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for (;;) {
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if (fgets(linbuf, sizeof linbuf, stdin) == NULL)
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return;
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if (linbuf[0] != '.')
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continue;
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if (linbuf[1] == 'S' && linbuf[2] == 'h')
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break;
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}
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trimln(headbuf);
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if (tocrc)
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doname(name);
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if (!tocrc && !intro)
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printf(".TH%s\t", &headbuf[3]);
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linbuf[0] = '\0';
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for (;;) {
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if (fgets(headbuf, sizeof headbuf, stdin) == NULL)
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break;
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if (headbuf[0] == '.') {
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if (headbuf[1] == 'S' && headbuf[2] == 'h')
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break;
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}
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if (i != 0)
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strcat(linbuf, " ");
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i++;
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trimln(headbuf);
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for (loc = strchr(headbuf, ' '); loc; loc = strchr(loc, ' '))
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if (loc[1] == ',')
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strcpy(loc, &loc[1]);
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else
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loc++;
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if (headbuf[0] != '.') {
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strcat(linbuf, headbuf);
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} else {
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/*
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* Get rid of quotes in macros.
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*/
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for (loc = strchr(&headbuf[4], '"'); loc; ) {
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strcpy(loc, &loc[1]);
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loc = strchr(loc, '"');
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}
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/*
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* Handle cross references
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*/
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if (headbuf[1] == 'X' && headbuf[2] == 'r') {
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for (loc = &headbuf[4]; *loc != ' '; loc++)
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continue;
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loc[0] = '(';
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loc[2] = ')';
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loc[3] = '\0';
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}
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/*
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* Put dash between names and description.
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*/
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if (headbuf[1] == 'N' && headbuf[2] == 'd')
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strcat(linbuf, "\\- ");
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/*
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* Skip over macro names.
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*/
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strcat(linbuf, &headbuf[4]);
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}
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}
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if (intro)
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split(linbuf, name);
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else
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printf("%s\n", linbuf);
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}
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void
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trimln(char *cp)
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{
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while (*cp)
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cp++;
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if (*--cp == '\n')
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*cp = 0;
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}
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void
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doname(char *name)
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{
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char *dp = name, *ep;
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again:
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while (*dp && *dp != '.')
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putchar(*dp++);
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if (*dp)
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for (ep = dp+1; *ep; ep++)
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if (*ep == '.') {
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putchar(*dp++);
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goto again;
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}
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putchar('(');
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if (*dp)
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dp++;
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while (*dp)
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putchar (*dp++);
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putchar(')');
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putchar(' ');
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}
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void
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split(char *line, char *name)
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{
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char *cp, *dp;
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char *sp, *sep;
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cp = strchr(line, '-');
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if (cp == 0)
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return;
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sp = cp + 1;
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for (--cp; *cp == ' ' || *cp == '\t' || *cp == '\\'; cp--)
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;
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*++cp = '\0';
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while (*sp && (*sp == ' ' || *sp == '\t'))
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sp++;
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for (sep = "", dp = line; dp && *dp; dp = cp, sep = "\n") {
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cp = strchr(dp, ',');
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if (cp) {
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char *tp;
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for (tp = cp - 1; *tp == ' ' || *tp == '\t'; tp--)
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;
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*++tp = '\0';
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for (++cp; *cp == ' ' || *cp == '\t'; cp++)
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;
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}
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printf("%s%s\t", sep, dp);
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dorefname(name);
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printf("\t%s", sp);
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}
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}
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void
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dorefname(char *name)
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{
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char *dp = name, *ep;
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again:
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while (*dp && *dp != '.')
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putchar(*dp++);
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if (*dp)
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for (ep = dp+1; *ep; ep++)
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if (*ep == '.') {
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putchar(*dp++);
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goto again;
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}
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putchar('.');
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if (*dp)
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dp++;
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while (*dp)
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putchar (*dp++);
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}
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static void
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usage(void)
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{
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(void)fprintf(stderr, "usage: getNAME [-itw] file ...\n");
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exit(1);
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}
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