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#ifndef lint
static char *RCSid() { return RCSid("$Id: doc2hlp.c,v 1.17 2007/10/24 00:47:51 sfeam Exp $"); }
#endif
/* GNUPLOT - doc2hlp.c */
/*[
* Copyright 1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]*/
/*
* 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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "syscfg.h"
#include "stdfn.h"
#include "doc2x.h"
extern TBOOLEAN single_top_level;
void convert __PROTO((FILE *, FILE *));
void process_line __PROTO((char *, FILE *));
int
main (int argc, char **argv)
{
FILE *infile;
FILE *outfile;
infile = stdin;
outfile = stdout;
single_top_level = TRUE;
if (argc > 3) {
fprintf(stderr, "Usage: %s [infile [outfile]]\n", argv[0]);
exit(EXIT_FAILURE);
}
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(EXIT_FAILURE);
}
}
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]);
exit(EXIT_FAILURE);
}
}
convert(infile, outfile);
return EXIT_SUCCESS;
}
void
convert (FILE *inf, FILE *outf)
{
static char line[MAX_LINE_LEN+1];
while (get_line(line, sizeof(line), inf))
process_line(line, outf);
}
void
process_line (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 index entry */
case 'F': /* latex embedded figure */
case '#':{ /* latex table entry */
break; /* ignore */
}
case '%':{ /* troff table entry */
break; /* ignore */
}
case '^':{ /* html entry */
break; /* ignore */
}
case '\n': /* empty text line */
case ' ':{ /* normal text line */
(void) fputs(line, b);
break;
}
default:{
if (isdigit((int)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;
}
}
}
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