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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "config.h"
#include "interface.h"
#include "terminal.h"
#include "exceptions.h"
#include "parser.h"
#include "pile.h"
int quit;
char *ancien = NULL;
/*
* Ces deux fonctions nous servent a inserer ou supprimer un caractere dans une chaine. Utile pour
* l'utilisation des touches backspace, suppr et insert
*/
void supprime(char *ch)
{
for (; *ch; ch++) {
*ch = *(ch + 1);
}
}
void inserer(char *ch, char c)
{
int i;
ch[strlen(ch) + 1] = '\0';
for (i = strlen(ch) - 1; i != -1; i--) {
*(ch + i + 1) = *(ch + i);
}
*ch = c;
}
/*
* La boucle de l'interface. Meme si elle a l'air longue, elle ne fait que tester les differents
* cas en fonction des touches enfoncees.
*/
void ifloop(void)
{
int cread, i, insert = 0;
int gotesc = 0;
char buffer[BUFSIZ] = "";
int position = 0;
printf("> ");
quit = 0;
while (!quit) {
cread = fgetc(input);
if (gotesc) {
switch (cread) {
case 91:
cread = fgetc(input);
switch (cread) {
case 49: /*
* Home
*/
position = 0;
break;
case 50: /*
* Insert
*/
insert ^= 1;
break;
case 52: /*
* End
*/
printf("%s", &(buffer[position]));
position = strlen(buffer);
break;
case 67: /*
* Droite
*/
if (buffer[position]) {
printf("%c", buffer[position++]);
}
break;
case 68: /*
* Gauche
*/
if (position) {
printf("\010");
position--;
}
break;
default:
gotesc = 0;
break;
}
break;
case 79:
cread = fgetc(input);
switch (cread) {
case 82: /*
* F3
*/
for (i = 0; i < position; i++) {
printf("\010");
}
strcpy(buffer, ancien);
position = strlen(buffer);
printf("%s", buffer);
break;
default:
gotesc = 0;
break;
}
break;
default:
gotesc = 0;
break;
}
if (gotesc) {
cread = fgetc(input);
gotesc = 0;
}
}
switch (cread) {
case 3: /*
* CTRL-C
*/
printf(_("*CTRL-C*\n"));
quit = 1;
break;
case 8: /*
* backspace
*/
if (position) {
supprime(&(buffer[--position]));
printf("\010%s ", &(buffer[position]));
for (i = 0; i <= strlen(&(buffer[position])); i++) {
printf("\010");
}
}
break;
case 10: /*
* Entree
*/
printf("\n");
clearterm();
if (ancien)
free(ancien);
ancien = Estrdup(buffer);
parse_line(buffer);
if (quit)
break;
initterm();
position = 0;
buffer[0] = 0;
printf("\n");
while (has_resultat()) {
printf(" . %s\n", pop_resultat());
}
printf("\n> ");
global_error = 0;
break;
case 27: /*
* ESC
*/
gotesc = 1;
break;
case 126: /*
* ~
*/
break;
case 127: /*
* Suppr
*/
if (buffer[position]) {
supprime(&(buffer[position]));
}
printf("%s ", &(buffer[position]));
for (i = 0; i <= strlen(&(buffer[position])); i++) {
printf("\010");
}
break;
default: /*
* Tout caractere autre, on le rajoute a la position en cours
*/
if (insert) {
inserer(&(buffer[position]), cread);
printf("%s", &(buffer[position]));
position++;
for (i = 0; i < strlen(&(buffer[position])); i++) {
printf("\010");
}
} else {
printf("%c", cread);
if (buffer[position]) {
buffer[position++] = cread;
} else {
buffer[position++] = cread;
buffer[position] = 0;
}
}
break;
}
}
}
|
