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/* GNUPLOT - gp_hist.h */
/*[
* Copyright 1999, 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.
]*/
#ifndef
GNUPLOT_HISTORY_H
# define
GNUPLOT_HISTORY_H
#include
"syscfg.h"
#define
HISTORY_SIZE
500
/* Variables of history.c needed by other modules: */
extern
int
gnuplot_history_size
;
extern
TBOOLEAN
history_quiet
;
extern
TBOOLEAN
history_full
;
/* GNU readline
*/
#if
defined(
HAVE_LIBREADLINE
)
# include
<readline/history.h>
#elif
defined(
HAVE_LIBEDITLINE
)
||
defined(
HAVE_WINEDITLINE
)
/* NetBSD editline / WinEditLine
* (almost) compatible readline replacement
*/
# include
<editline/readline.h>
#elif
defined(
READLINE
)
/* gnuplot's built-in replacement history functions
*/
typedef
void
*
histdata_t
;
typedef
struct
hist
{
char
*
line
;
histdata_t
data
;
struct
hist
*
prev
;
struct
hist
*
next
;
}
HIST_ENTRY
;
extern
int
history_length
;
extern
int
history_base
;
void
using_history
(
void
);
void
clear_history
(
void
);
void
add_history
(
char
*
line
);
int
read_history
(
char
*
);
int
write_history
(
char
*
);
int
where_history
(
void
);
int
history_set_pos
(
int
offset
);
HIST_ENTRY
*
history_get
(
int
offset
);
HIST_ENTRY
*
current_history
(
void
);
HIST_ENTRY
*
previous_history
(
void
);
HIST_ENTRY
*
next_history
(
void
);
HIST_ENTRY
*
replace_history_entry
(
int
which
,
const
char
*
line
,
histdata_t
data
);
HIST_ENTRY
*
remove_history
(
int
which
);
histdata_t
free_history_entry
(
HIST_ENTRY
*
histent
);
int
history_search
(
const
char
*
string
,
int
direction
);
int
history_search_prefix
(
const
char
*
string
,
int
direction
);
#endif
#ifdef
USE_READLINE
/* extra functions provided by history.c */
int
gp_read_history
(
const
char
*
filename
);
void
write_history_n
(
const
int
,
const
char
*
,
const
char
*
);
const
char
*
history_find
(
char
*
);
const
char
*
history_find_by_number
(
int
);
int
history_find_all
(
char
*
);
#endif
#endif
/* GNUPLOT_HISTORY_H */
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