1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/alan3/readline.h"
#include "glk/alan3/sysdep.h"
#include "glk/alan3/output.h"
#include "glk/alan3/term.h"
#include "glk/alan3/exe.h"
#include "glk/alan3/save.h"
#include "glk/alan3/location.h"
#include "glk/alan3/options.h"
#include "glk/alan3/alan3.h"
#include "glk/alan3/glkio.h"
#include "glk/alan3/resources.h"
namespace Glk {
namespace Alan3 {
#define LINELENGTH 1000
/*======================================================================
readline()
Read a line from the user, with history and editing
*/
/* TODO - length of user buffer should be used */
bool readline(char buffer[]) {
event_t event;
static bool readingCommands = FALSE;
static frefid_t commandFileRef;
static strid_t commandFile;
if (readingCommands) {
if (g_vm->glk_get_line_stream(commandFile, buffer, 255) == 0) {
g_vm->glk_stream_close(commandFile, NULL);
readingCommands = FALSE;
} else {
g_vm->glk_set_style(style_Input);
printf(buffer);
g_vm->glk_set_style(style_Normal);
}
} else {
g_vm->glk_request_line_event(glkMainWin, buffer, 255, 0);
/* FIXME: buffer size should be infallible: all existing calls use 256 or
80 character buffers, except parse which uses LISTLEN (currently 100)
*/
do {
g_vm->glk_select(&event);
switch (event.type) {
case evtype_Arrange:
statusline();
break;
default:
break;
}
} while (event.type != evtype_LineInput);
if (buffer[0] == '@') {
buffer[event.val1] = 0;
commandFileRef = g_vm->glk_fileref_create_by_name(fileusage_InputRecord + fileusage_TextMode, &buffer[1], 0);
commandFile = g_vm->glk_stream_open_file(commandFileRef, filemode_Read, 0);
if (commandFile != NULL)
if (g_vm->glk_get_line_stream(commandFile, buffer, 255) != 0) {
readingCommands = TRUE;
g_vm->glk_set_style(style_Input);
printf(buffer);
g_vm->glk_set_style(style_Normal);
}
} else
buffer[event.val1] = 0;
}
return TRUE;
}
} // End of namespace Alan3
} // End of namespace Glk
|
