home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Info-Mac 3
/
Info_Mac_1994-01.iso
/
Science
/
Gnuplot 3.5
/
docs
/
doc2hlp.c
< prev
next >
Wrap
C/C++ Source or Header
|
1993-11-03
|
2KB
|
102 lines
#ifndef lint
static char *RCSid = "$Id: doc2hlp.c 3.38.2.6 1992/11/14 02:25:48 woo Exp $";
#endif
/*
* doc2hlp.c -- program to convert Gnuplot .DOC format to
* VMS help (.HLP) format.
*
* This involves stripping all lines with a leading ?,
* @, #, or %.
* Modified by Russell Lang from hlp2ms.c by Thomas Williams
*
* usage: doc2hlp [file.doc [file.hlp]]
*
* Original version by David Kotz used the following one line script!
* sed '/^[?@#%]/d' file.doc > file.hlp
*/
#include <stdio.h>
#include <ctype.h>
#define MAX_LINE_LEN 256
#define TRUE 1
#define FALSE 0
main(argc,argv)
int argc;
char **argv;
{
FILE * infile;
FILE * outfile;
infile = stdin;
outfile = stdout;
if (argc > 3) {
fprintf(stderr,"Usage: %s [infile [outfile]]\n", argv[0]);
exit(1);
}
if (argc >= 2)
if ( (infile = fopen(argv[1],"r")) == (FILE *)NULL) {
fprintf(stderr,"%s: Can't open %s for reading\n",
argv[0], argv[1]);
exit(1);
}
if (argc == 3)
if ( (outfile = fopen(argv[2],"w")) == (FILE *)NULL) {
fprintf(stderr,"%s: Can't open %s for writing\n",
argv[0], argv[2]);
}
convert(infile,outfile);
exit(0);
}
convert(a,b)
FILE *a,*b;
{
static char line[MAX_LINE_LEN];
while (fgets(line,MAX_LINE_LEN,a)) {
process_line(line, b);
}
}
process_line(line, b)
char *line;
FILE *b;
{
static int line_count = 0;
line_count++;
switch(line[0]) { /* control character */
case '?': { /* interactive help entry */
break; /* ignore */
}
case '@': { /* start/end table */
break; /* ignore */
}
case '#': { /* latex table entry */
break; /* ignore */
}
case '%': { /* troff table entry */
break; /* ignore */
}
case '\n': /* empty text line */
case ' ': { /* normal text line */
(void) fputs(line,b);
break;
}
default: {
if (isdigit(line[0])) { /* start of section */
(void) fputs(line,b);
} else
fprintf(stderr, "unknown control code '%c' in column 1, line %d\n",
line[0], line_count);
break;
}
}
}