annotate src/oct-hist.cc @ 1343:94bedeb289e5

[project @ 1995-09-04 00:29:21 by jwe]
author jwe
date Mon, 04 Sep 1995 00:42:19 +0000
parents 64819a909ed7
children 9e41dbb74bca
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1 // octave-hist.cc -*- C++ -*-
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
2 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
3
1009
dfe01093f657 [project @ 1995-01-04 04:05:12 by jwe]
jwe
parents: 777
diff changeset
4 Copyright (C) 1992, 1993, 1994, 1995 John W. Eaton
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
5
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
6 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
7
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
8 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
9 under the terms of the GNU General Public License as published by the
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
10 Free Software Foundation; either version 2, or (at your option) any
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
11 later version.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
12
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
13 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
16 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
17
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
19 along with Octave; see the file COPYING. If not, write to the Free
1315
611d403c7f3d [project @ 1995-06-25 19:56:32 by jwe]
jwe
parents: 1192
diff changeset
20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
21
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
22 The functions listed below were adapted from similar functions from
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
23 GNU Bash, the Bourne Again SHell, copyright (C) 1987, 1989, 1991 Free
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
24 Software Foundation, Inc.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
25
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
26 do_history edit_history_readline
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
27 do_edit_history edit_history_add_hist
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
28
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
29 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
30
240
a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe]
jwe
parents: 217
diff changeset
31 #ifdef HAVE_CONFIG_H
1192
b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe]
jwe
parents: 1009
diff changeset
32 #include <config.h>
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
33 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
34
1343
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe]
jwe
parents: 1321
diff changeset
35 #include <cstdlib>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe]
jwe
parents: 1321
diff changeset
36 #include <cstring>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe]
jwe
parents: 1321
diff changeset
37 #include <csignal>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe]
jwe
parents: 1321
diff changeset
38
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
39 #include <sys/types.h>
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
40 #ifdef HAVE_UNISTD_H
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
41 #include <unistd.h>
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
42 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
43 #include <fcntl.h>
1343
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe]
jwe
parents: 1321
diff changeset
44
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
45 #include <fstream.h>
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
46 #include <strstream.h>
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
47
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
48 #include "statdefs.h"
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
49 #include "utils.h"
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
50 #include "error.h"
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
51 #include "input.h"
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
52 #include "pager.h"
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
53 #include "octave.h"
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
54 #include "oct-obj.h"
195
13c6086c325c [project @ 1993-11-06 10:12:29 by jwe]
jwe
parents: 168
diff changeset
55 #include "user-prefs.h"
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
56 #include "unwind-prot.h"
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
57 #include "octave-hist.h"
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
58 #include "sighandlers.h"
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
59 #include "defun.h"
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
60
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
61 extern "C"
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
62 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
63 #include <readline/history.h>
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
64 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
65
168
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
66 // Nonzero means input is coming from temporary history file.
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
67 int input_from_tmp_history_file = 0;
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
68
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
69 // Nonzero means we are saving history lines.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
70 int saving_history = 1;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
71
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
72 // The number of lines to save in the history file.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
73 static int octave_hist_size = 1024;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
74
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
75 // The name of the history file.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
76 static char *octave_hist_file;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
77
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
78 // The number of hisory lines we read from the history file.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
79 static int history_lines_in_file = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
80
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
81 // The number of history lines we've saved so far.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
82 static int history_lines_this_session = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
83
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
84 // Get some default values, possibly reading them from the
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
85 // environment.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
86
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
87 static int
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
88 default_history_size (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
89 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
90 int size = 1024;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
91 char *env_size = getenv ("OCTAVE_HISTSIZE");
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
92 if (env_size)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
93 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
94 int val;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
95 if (sscanf (env_size, "%d", &val) == 1)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
96 size = val > 0 ? val : 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
97 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
98 return size;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
99 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
100
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
101 static char *
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
102 default_history_file (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
103 {
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
104 char *file = 0;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
105
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
106 char *env_file = getenv ("OCTAVE_HISTFILE");
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
107 if (env_file)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
108 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
109 fstream f (env_file, (ios::in | ios::out));
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
110 if (f)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
111 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
112 file = strsave (env_file);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
113 f.close ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
114 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
115 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
116
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
117 if (! file && home_directory)
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
118 file = strconcat (home_directory, "/.octave_hist");
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
119
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
120 return file;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
121 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
122
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
123 // Prime the history list.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
124
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
125 void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
126 initialize_history (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
127 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
128 octave_hist_file = default_history_file ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
129 octave_hist_size = default_history_size ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
130
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
131 read_history (octave_hist_file);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
132 using_history ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
133 history_lines_in_file = where_history ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
134 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
135
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
136 void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
137 clean_up_history (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
138 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
139 stifle_history (octave_hist_size);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
140 write_history (octave_hist_file);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
141 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
142
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
143 void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
144 maybe_save_history (char *s)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
145 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
146 if (saving_history)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
147 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
148 add_history (s);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
149 history_lines_this_session++;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
150 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
151 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
152
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
153 // Display, save, or load history. Stolen and modified from bash.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
154 //
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
155 // Arg of -w FILENAME means write file, arg of -r FILENAME
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
156 // means read file, arg of -q means don't number lines. Arg of N
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
157 // means only display that many items.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
158
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
159 void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
160 do_history (int argc, char **argv)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
161 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
162 HIST_ENTRY **hlist;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
163
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
164 int numbered_output = 1;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
165
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
166 while (--argc > 0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
167 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
168 argv++;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
169
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
170 if (*argv[0] == '-' && strlen (*argv) == 2
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
171 && ((*argv)[1] == 'r' || (*argv)[1] == 'w'
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
172 || (*argv)[1] == 'a' || (*argv)[1] == 'n'))
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
173 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
174 char *file;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
175 int result = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
176
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
177 if (argc > 1)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
178 file = *(argv+1);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
179 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
180 file = octave_hist_file;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
181
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
182 switch ((*argv)[1])
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
183 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
184 case 'a': // Append `new' lines to file.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
185 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
186 if (history_lines_this_session)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
187 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
188 if (history_lines_this_session < where_history ())
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
189 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
190 // If the filename was supplied, then create it if it doesn't already
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
191 // exist.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
192 if (file)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
193 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
194 struct stat buf;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
195
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
196 if (stat (file, &buf) == -1)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
197 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
198 int tem;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
199
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
200 tem = open (file, O_CREAT, 0666);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
201 close (tem);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
202 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
203 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
204
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
205 result =
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
206 append_history (history_lines_this_session, file);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
207 history_lines_in_file += history_lines_this_session;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
208 history_lines_this_session = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
209 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
210 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
211 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
212 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 641
diff changeset
213
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
214 case 'w': // Write entire history.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
215 result = write_history (file);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
216 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 641
diff changeset
217
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
218 case 'r': // Read entire file.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
219 result = read_history (file);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
220 break;
777
a2f9d3fd720c [project @ 1994-10-07 14:01:53 by jwe]
jwe
parents: 641
diff changeset
221
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
222 case 'n': // Read `new' history from file.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
223 // Read all of the lines in the file that we haven't already read.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
224 using_history ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
225 result = read_history_range (file, history_lines_in_file, -1);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
226 using_history ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
227 history_lines_in_file = where_history ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
228 break;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
229 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
230 return;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
231 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
232 else if (strcmp (*argv, "-q") == 0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
233 numbered_output = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
234 else if (strcmp (*argv, "--") == 0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
235 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
236 argc--;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
237 argv++;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
238 break;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
239 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
240 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
241 break;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
242 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
243
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
244 int limited = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
245 int limit = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
246
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
247 if (argc > 0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
248 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
249 limited = 1;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
250 if (sscanf (*argv, "%d", &limit) != 1)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
251 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
252 if (*argv[0] == '-')
217
cd2e49fb4f6b [project @ 1993-11-13 09:16:01 by jwe]
jwe
parents: 195
diff changeset
253 error ("history: unrecognized option `%s'", *argv);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
254 else
217
cd2e49fb4f6b [project @ 1993-11-13 09:16:01 by jwe]
jwe
parents: 195
diff changeset
255 error ("history: bad non-numeric arg `%s'", *argv);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
256 return;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
257 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
258 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
259
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
260 hlist = history_list ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
261
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
262 if (hlist)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
263 {
1321
64819a909ed7 [project @ 1995-08-22 05:39:43 by jwe]
jwe
parents: 1315
diff changeset
264 int i = 0;
64819a909ed7 [project @ 1995-08-22 05:39:43 by jwe]
jwe
parents: 1315
diff changeset
265
64819a909ed7 [project @ 1995-08-22 05:39:43 by jwe]
jwe
parents: 1315
diff changeset
266 for (i = 0; hlist[i]; i++)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
267 ; // Do nothing.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
268
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
269 if (limit < 0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
270 limit = -limit;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
271
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
272 if (!limited)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
273 i = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
274 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
275 if ((i -= limit) < 0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
276 i = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
277
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
278 ostrstream output_buf;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
279
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
280 while (hlist[i])
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
281 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
282 // QUIT; // in bash: (interrupt_state) throw_to_top_level ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
283
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
284 if (numbered_output)
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
285 output_buf.form ("%5d%c", i + history_base,
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
286 hlist[i]->data ? '*' : ' ');
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
287 output_buf << hlist[i]->line << "\n";
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
288 i++;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
289 }
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
290
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
291 output_buf << ends;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
292 maybe_page_output (output_buf);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
293 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
294 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
295
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
296 // Read the edited history lines from STREAM and return them
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
297 // one at a time. This can read unlimited length lines. The
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
298 // caller should free the storage.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
299
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
300 static char *
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
301 edit_history_readline (fstream& stream)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
302 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
303 char c;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
304 int line_len = 128;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
305 int lindex = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
306 char *line = new char [line_len];
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
307 line[0] = '\0';
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
308
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
309 while (stream.get (c))
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
310 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
311 if (lindex + 2 >= line_len)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
312 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
313 char *tmp_line = new char [line_len += 128];
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
314 strcpy (tmp_line, line);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
315 delete [] line;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
316 line = tmp_line;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
317 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
318
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
319 if (c == '\n')
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
320 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
321 line[lindex++] = '\n';
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
322 line[lindex++] = '\0';
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
323 return line;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
324 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
325 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
326 line[lindex++] = c;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
327 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
328
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
329 if (! lindex)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
330 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
331 delete [] line;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
332 return 0;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
333 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
334
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
335 if (lindex + 2 >= line_len)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
336 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
337 char *tmp_line = new char [lindex+3];
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
338 strcpy (tmp_line, line);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
339 delete [] line;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
340 line = tmp_line;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
341 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
342
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
343 // Finish with newline if none in file.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
344
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
345 line[lindex++] = '\n';
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
346 line[lindex++] = '\0';
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
347 return line;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
348 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
349
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
350 extern "C"
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
351 {
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
352 HIST_ENTRY *history_get ();
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
353 }
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
354
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
355 // Use `command' to replace the last entry in the history list, which,
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
356 // by this time, is `run_history blah...'. The intent is that the
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
357 // new command become the history entry, and that `fc' should never
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
358 // appear in the history list. This way you can do `run_history' to
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
359 // your heart's content.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
360
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
361 static void
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
362 edit_history_repl_hist (char *command)
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
363 {
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
364 if (! command || ! *command)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
365 return;
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
366
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
367 HIST_ENTRY **hlist = history_list ();
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
368
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
369 if (! hlist)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
370 return;
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
371
1321
64819a909ed7 [project @ 1995-08-22 05:39:43 by jwe]
jwe
parents: 1315
diff changeset
372 int i = 0;
64819a909ed7 [project @ 1995-08-22 05:39:43 by jwe]
jwe
parents: 1315
diff changeset
373
64819a909ed7 [project @ 1995-08-22 05:39:43 by jwe]
jwe
parents: 1315
diff changeset
374 for (i = 0; hlist[i]; i++)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
375 ; // Count 'em.
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
376 i--;
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
377
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 529
diff changeset
378 // History_get () takes a parameter that should be offset by history_base.
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
379
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
380 // Don't free this.
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
381 HIST_ENTRY *histent = history_get (history_base + i);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
382 if (! histent)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
383 return;
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
384
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
385 char *data = 0;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
386 if (histent->data)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
387 {
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
388 int len = strlen (histent->data);
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
389 data = (char *) malloc (len);
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
390 strcpy (data, histent->data);
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
391 }
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
392
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
393 int n = strlen (command);
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
394
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
395 if (command[n - 1] == '\n')
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
396 command[n - 1] = '\0';
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
397
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
398 if (command && *command)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
399 {
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
400 HIST_ENTRY *discard = replace_history_entry (i, command, data);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
401 if (discard)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
402 {
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
403 if (discard->line)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
404 free (discard->line);
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
405
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
406 free ((char *) discard);
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
407 }
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
408 }
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
409 }
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
410
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
411 static void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
412 edit_history_add_hist (char *line)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
413 {
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
414 if (line)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
415 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
416 int len = strlen (line);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
417 if (len > 0 && line[len-1] == '\n')
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
418 line[len-1] = '\0';
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
419
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
420 if (line[0] != '\0')
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
421 add_history (line);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
422 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
423 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
424
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
425 #define histline(i) (hlist[(i)]->line)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
426
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
427 static char *
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
428 mk_tmp_hist_file (int argc, char **argv, int insert_curr, char *warn_for)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
429 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
430 HIST_ENTRY **hlist;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
431
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
432 hlist = history_list ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
433
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
434 int hist_count = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
435
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
436 while (hlist[hist_count++])
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
437 ; // Find the number of items in the history list.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
438
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
439 // The current command line is already part of the history list by the
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
440 // time we get to this point. Delete it from the list.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
441
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
442 hist_count -= 2;
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
443 if (! insert_curr)
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
444 remove_history (hist_count);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
445 hist_count--;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
446
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
447 // If no numbers have been specified, the default is to edit the last
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
448 // command in the history list.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
449
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
450 int hist_end = hist_count;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
451 int hist_beg = hist_count;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
452 int reverse = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
453
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
454 // Process options
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
455
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
456 int usage_error = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
457 if (argc == 3)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
458 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
459 argv++;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
460 if (sscanf (*argv++, "%d", &hist_beg) != 1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
461 || sscanf (*argv, "%d", &hist_end) != 1)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
462 usage_error = 1;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
463 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
464 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
465 hist_beg--;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
466 hist_end--;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
467 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
468 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
469 else if (argc == 2)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
470 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
471 argv++;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
472 if (sscanf (*argv++, "%d", &hist_beg) != 1)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
473 usage_error = 1;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
474 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
475 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
476 hist_beg--;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
477 hist_end = hist_beg;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
478 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
479 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
480
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
481 if (hist_beg < 0 || hist_end < 0 || hist_beg > hist_count
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
482 || hist_end > hist_count)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
483 {
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
484 error ("%s: history specification out of range", warn_for);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
485 return 0;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
486 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
487
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
488 if (usage_error)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
489 {
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
490 usage ("%s [first] [last]", warn_for);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
491 return 0;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
492 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
493
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
494 if (hist_end < hist_beg)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
495 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
496 int t = hist_end;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
497 hist_end = hist_beg;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
498 hist_beg = t;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
499 reverse = 1;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
500 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
501
641
746227103e6a [project @ 1994-08-23 22:50:10 by jwe]
jwe
parents: 637
diff changeset
502 char *name = octave_tmp_file_name ();
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
503
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
504 fstream file (name, ios::out);
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
505
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
506 if (! file)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
507 {
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
508 error ("%s: couldn't open temporary file `%s'", warn_for, name);
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
509 return 0;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
510 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
511
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
512 if (reverse)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
513 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
514 for (int i = hist_end; i >= hist_beg; i--)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
515 file << histline (i) << "\n";
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
516 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
517 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
518 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
519 for (int i = hist_beg; i <= hist_end; i++)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
520 file << histline (i) << "\n";
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
521 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
522
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
523 file.close ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
524
168
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
525 return strsave (name);
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
526 }
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
527
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
528 void
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
529 do_edit_history (int argc, char **argv)
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
530 {
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
531 char *name = mk_tmp_hist_file (argc, argv, 0, "edit_history");
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
532
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
533 if (! name)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
534 return;
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
535
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
536 // Call up our favorite editor on the file of commands.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
537
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
538 ostrstream buf;
195
13c6086c325c [project @ 1993-11-06 10:12:29 by jwe]
jwe
parents: 168
diff changeset
539 buf << user_pref.editor << " " << name << ends;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
540 char *cmd = buf.str ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
541
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
542 // Ignore interrupts while we are off editing commands. Should we
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
543 // maybe avoid using system()?
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
544
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
545 volatile sig_handler *saved_sigint_handler = signal (SIGINT, SIG_IGN);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
546 system (cmd);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
547 signal (SIGINT, saved_sigint_handler);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
548
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
549 // Write the commands to the history file since parse_and_execute
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
550 // disables command line history while it executes.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
551
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
552 fstream file (name, ios::in);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
553
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
554 char *line;
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
555 int first = 1;
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
556 while ((line = edit_history_readline (file)) != 0)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
557 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
558
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
559 // Skip blank lines
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
560
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
561 if (line[0] == '\n')
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
562 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
563 delete [] line;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
564 continue;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
565 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
566
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
567 if (first)
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
568 {
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
569 first = 0;
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
570 edit_history_repl_hist (line);
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
571 }
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
572 else
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
573 edit_history_add_hist (line);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
574 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
575
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
576 file.close ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
577
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
578 // Turn on command echo, so the output from this will make better sense.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
579
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
580 begin_unwind_frame ("do_edit_history");
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
581 unwind_protect_int (echo_input);
168
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
582 unwind_protect_int (input_from_tmp_history_file);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
583 echo_input = 1;
168
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
584 input_from_tmp_history_file = 1;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
585
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
586 parse_and_execute (name, 1);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
587
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
588 run_unwind_frame ("do_edit_history");
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
589
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
590 // Delete the temporary file. Should probably be done with an
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
591 // unwind_protect.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
592
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
593 unlink (name);
168
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
594
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
595 delete [] name;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
596 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
597
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
598 void
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
599 do_run_history (int argc, char **argv)
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
600 {
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
601 char *name = mk_tmp_hist_file (argc, argv, 1, "run_history");
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
602
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
603 if (! name)
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
604 return;
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
605
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
606 // Turn on command echo, so the output from this will make better sense.
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
607
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
608 begin_unwind_frame ("do_run_history");
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
609 unwind_protect_int (echo_input);
168
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
610 unwind_protect_int (input_from_tmp_history_file);
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
611 echo_input = 1;
168
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
612 input_from_tmp_history_file = 1;
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
613
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
614 parse_and_execute (name, 1);
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
615
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
616 run_unwind_frame ("do_run_history");
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
617
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
618 // Delete the temporary file. Should probably be done with an
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
619 // unwind_protect.
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
620
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
621 unlink (name);
168
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
622
a500c60e8f23 [project @ 1993-10-19 05:24:44 by jwe]
jwe
parents: 64
diff changeset
623 delete [] name;
64
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
624 }
bd04d91a7a4a [project @ 1993-08-15 05:08:48 by jwe]
jwe
parents: 1
diff changeset
625
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
626 int
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
627 current_history_number (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
628 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
629 using_history ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
630
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
631 if (octave_hist_size > 0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
632 return history_base + where_history ();
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
633 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
634 return -1;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
635
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
636 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
637
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
638 DEFUN_TEXT ("edit_history", Fedit_history, Sedit_history, -1, 1,
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
639 "edit_history [first] [last]\n\
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
640 \n\
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
641 edit commands from the history list")
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
642 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
643 Octave_object retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
644
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
645 DEFINE_ARGV("edit_history");
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
646
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
647 do_edit_history (argc, argv);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
648
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
649 DELETE_ARGV;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
650
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
651 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
652 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
653
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
654 DEFUN_TEXT ("history", Fhistory, Shistory, -1, 1,
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
655 "history [N] [-w file] [-r file] [-q]\n\
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
656 \n\
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
657 display, save, or load command history")
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
658 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
659 Octave_object retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
660
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
661 DEFINE_ARGV("history");
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
662
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
663 do_history (argc, argv);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
664
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
665 DELETE_ARGV;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
666
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
667 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
668 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
669
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
670 DEFUN_TEXT ("run_history", Frun_history, Srun_history, -1, 1,
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
671 "run_history [first] [last]\n\
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
672 \n\
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
673 run commands from the history list")
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
674 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
675 Octave_object retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
676
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
677 DEFINE_ARGV("run_history");
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
678
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
679 do_run_history (argc, argv);
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
680
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
681 DELETE_ARGV;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
682
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
683 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
684 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 296
diff changeset
685
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
686 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
687 ;;; Local Variables: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
688 ;;; mode: C++ ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
689 ;;; page-delimiter: "^/\\*" ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
690 ;;; End: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
691 */