NetBSD/share/doc/ps1/04.pascal/csfix.c

219 lines
4.9 KiB
C

/*-
* Copyright (c) 1980 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980 The Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)csfix.c 6.3 (Berkeley) 4/17/91";
#endif /* not lint */
#include <stdio.h>
/*
* csfix - fix constant spacing for error message flags in troff
*
* Bill Joy UCB September 11, 1977
*
* This would be better written in snobol!
*
* Normally fixes error flags in a pi listing
* Optional - causes fixing of '---' and initial blank widthin a pxp profile.
*/
char flag, dflag;
main(argc, argv)
int argc;
char *argv[];
{
argc--, argv++;
if (argc > 0 && argv[0][0] == '-' && argv[0][1] == 'd')
dflag++, argc--, argv++;
if (argc > 0 && argv[0][0] == '-')
flag++, argc--, argv++;
if (argc != 0) {
write(2, "Usage: csfix\n", 13);
exit(1);
}
while (getline()) {
if (errline()) {
flag ? fixpxp() : reformat();
continue;
}
if (flag) {
fixdigits();
continue;
}
if (spwarn())
continue;
if (nontriv())
save();
if (dflag)
fixdigits();
else
putline();
}
exit(0);
}
char line[160], flagee[160], *digitty();
getline()
{
register char *cp, c;
for (cp = line, c = getchar(); c != '\n' && c != EOF; c = getchar())
*cp++ = c;
if (c == EOF)
return (0);
*cp = 0;
return (1);
}
errline()
{
register int i;
register char *cp;
for (cp = line; cp[0] && cp[1] && cp[2]; cp++)
if (cp[0] == '-' && cp[1] == '-' && cp[2] == '-')
return (1);
return (0);
}
reformat()
{
register char *cp, c, *tail;
printf("%2.2s", line);
if (line[0] != 'w')
printf("\\l'\\w`w `u-\\w`%2.2s`u '", line);
for (cp = line; *cp != 0 && *cp != '^'; cp++)
continue;
tail = cp + 1;
if (cp[-1] == '\b' && cp[-2] == '|')
cp -= 2;
c = flagee[cp - line];
flagee[cp - line] = 0;
printf("\\l'\\w`%s`u-\\w`w `u\\&\\(rh'", flagee);
flagee[cp - line] = c;
if (c == '\0')
c = flagee[cp - line - 1];
printf("\\l'(\\w`%c`u-\\w`^`u)/2 '", c);
printf("\\(ua");
printf("\\l'(\\w`%c`u-\\w`^`u)/2 '", c);
printf("\\l'\\w`---`u\\&\\(rh'%s\n", tail+3);
}
nontriv()
{
switch (line[0]) {
case 'E':
case 'e':
case 'w':
case 's':
case 0:
return (0);
}
return (1);
}
save()
{
strcpy(flagee, line);
}
putline()
{
printf("%s\n", flag ? digitty(0) : line);
}
spwarn()
{
if (line[0] != ' ' || line[1] != ' ' || line[2] != 'w')
return (0);
printf(" \\l'(\\w`E`u-\\w`w`u)/2 'w\\l'(\\w`E`u-\\w`w`u)/2 '");
printf(&line[3]);
printf("\n");
return (1);
}
fixpxp()
{
register char *cp;
for (cp = line; *cp != '-'; cp++)
continue;
*cp = 0;
printf("%s\\l'\\w`\\0\\0\\0\\0`u-\\w`.`u\\&\\(rh'%s\n", digitty(1), cp + 3);
}
char *
digitty(yup)
char yup;
{
register char *cp, *dp, *lp;
for (lp = line; *lp && *lp != '|'; lp++)
continue;
if (yup == 0 && !*lp)
return (line);
for (cp = line, dp = flagee; cp < lp; cp++)
if (*cp == ' ')
*dp++ = '\\', *dp++ = '0';
else
*dp++ = *cp;
strcpy(dp, cp);
return (flagee);
}
fixdigits()
{
register char *cp, c;
for (cp = line; *cp == ' ' || *cp >= '0' && *cp <= '9'; cp++)
continue;
c = *cp, *cp = 0;
digitty(1);
*cp = c;
printf("%s%s\n", flagee, cp);
}