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/* 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
(
FILE
*
,
FILE
*
);
void
process_line
(
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
'D'
:
/* html 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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