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1 | 7e2515e8 | bellard | /*
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2 | 7e2515e8 | bellard | * QEMU readline utility
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3 | 5fafdf24 | ths | *
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4 | 7e2515e8 | bellard | * Copyright (c) 2003-2004 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | 7e2515e8 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 7e2515e8 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 7e2515e8 | bellard | * in the Software without restriction, including without limitation the rights
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9 | 7e2515e8 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 7e2515e8 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 7e2515e8 | bellard | * furnished to do so, subject to the following conditions:
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12 | 7e2515e8 | bellard | *
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13 | 7e2515e8 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 7e2515e8 | bellard | * all copies or substantial portions of the Software.
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15 | 7e2515e8 | bellard | *
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16 | 7e2515e8 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 7e2515e8 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 7e2515e8 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 7e2515e8 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 7e2515e8 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 7e2515e8 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 7e2515e8 | bellard | * THE SOFTWARE.
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23 | 7e2515e8 | bellard | */
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24 | 7e2515e8 | bellard | #include "vl.h" |
25 | 7e2515e8 | bellard | |
26 | 7e2515e8 | bellard | #define TERM_CMD_BUF_SIZE 4095 |
27 | 7e2515e8 | bellard | #define TERM_MAX_CMDS 64 |
28 | 7e2515e8 | bellard | #define NB_COMPLETIONS_MAX 256 |
29 | 7e2515e8 | bellard | |
30 | 7e2515e8 | bellard | #define IS_NORM 0 |
31 | 7e2515e8 | bellard | #define IS_ESC 1 |
32 | 7e2515e8 | bellard | #define IS_CSI 2 |
33 | 7e2515e8 | bellard | |
34 | 7e2515e8 | bellard | #define printf do_not_use_printf
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35 | 7e2515e8 | bellard | |
36 | 7e2515e8 | bellard | static char term_cmd_buf[TERM_CMD_BUF_SIZE + 1]; |
37 | 7e2515e8 | bellard | static int term_cmd_buf_index; |
38 | 7e2515e8 | bellard | static int term_cmd_buf_size; |
39 | 7e2515e8 | bellard | |
40 | 7e2515e8 | bellard | static char term_last_cmd_buf[TERM_CMD_BUF_SIZE + 1]; |
41 | 7e2515e8 | bellard | static int term_last_cmd_buf_index; |
42 | 7e2515e8 | bellard | static int term_last_cmd_buf_size; |
43 | 7e2515e8 | bellard | |
44 | 7e2515e8 | bellard | static int term_esc_state; |
45 | 7e2515e8 | bellard | static int term_esc_param; |
46 | 7e2515e8 | bellard | |
47 | 7e2515e8 | bellard | static char *term_history[TERM_MAX_CMDS]; |
48 | 7e2515e8 | bellard | static int term_hist_entry = -1; |
49 | 7e2515e8 | bellard | |
50 | 7e2515e8 | bellard | static int nb_completions; |
51 | 7e2515e8 | bellard | int completion_index;
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52 | 7e2515e8 | bellard | static char *completions[NB_COMPLETIONS_MAX]; |
53 | 7e2515e8 | bellard | |
54 | 7e2515e8 | bellard | static ReadLineFunc *term_readline_func;
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55 | 7e2515e8 | bellard | static int term_is_password; |
56 | 7e2515e8 | bellard | static char term_prompt[256]; |
57 | 7e2515e8 | bellard | static void *term_readline_opaque; |
58 | 7e2515e8 | bellard | |
59 | 7e2515e8 | bellard | static void term_show_prompt2(void) |
60 | 7e2515e8 | bellard | { |
61 | 7e2515e8 | bellard | term_printf("%s", term_prompt);
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62 | 7e2515e8 | bellard | term_flush(); |
63 | 7e2515e8 | bellard | term_last_cmd_buf_index = 0;
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64 | 7e2515e8 | bellard | term_last_cmd_buf_size = 0;
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65 | 7e2515e8 | bellard | term_esc_state = IS_NORM; |
66 | 7e2515e8 | bellard | } |
67 | 7e2515e8 | bellard | |
68 | 7e2515e8 | bellard | static void term_show_prompt(void) |
69 | 7e2515e8 | bellard | { |
70 | 7e2515e8 | bellard | term_show_prompt2(); |
71 | 7e2515e8 | bellard | term_cmd_buf_index = 0;
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72 | 7e2515e8 | bellard | term_cmd_buf_size = 0;
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73 | 7e2515e8 | bellard | } |
74 | 7e2515e8 | bellard | |
75 | 7e2515e8 | bellard | /* update the displayed command line */
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76 | 7e2515e8 | bellard | static void term_update(void) |
77 | 7e2515e8 | bellard | { |
78 | 7e2515e8 | bellard | int i, delta, len;
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79 | 7e2515e8 | bellard | |
80 | 7e2515e8 | bellard | if (term_cmd_buf_size != term_last_cmd_buf_size ||
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81 | 7e2515e8 | bellard | memcmp(term_cmd_buf, term_last_cmd_buf, term_cmd_buf_size) != 0) {
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82 | 7e2515e8 | bellard | for(i = 0; i < term_last_cmd_buf_index; i++) { |
83 | 7e2515e8 | bellard | term_printf("\033[D");
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84 | 7e2515e8 | bellard | } |
85 | 7e2515e8 | bellard | term_cmd_buf[term_cmd_buf_size] = '\0';
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86 | 7e2515e8 | bellard | if (term_is_password) {
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87 | 7e2515e8 | bellard | len = strlen(term_cmd_buf); |
88 | 7e2515e8 | bellard | for(i = 0; i < len; i++) |
89 | 7e2515e8 | bellard | term_printf("*");
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90 | 7e2515e8 | bellard | } else {
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91 | 7e2515e8 | bellard | term_printf("%s", term_cmd_buf);
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92 | 7e2515e8 | bellard | } |
93 | 7e2515e8 | bellard | term_printf("\033[K");
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94 | 7e2515e8 | bellard | memcpy(term_last_cmd_buf, term_cmd_buf, term_cmd_buf_size); |
95 | 7e2515e8 | bellard | term_last_cmd_buf_size = term_cmd_buf_size; |
96 | 7e2515e8 | bellard | term_last_cmd_buf_index = term_cmd_buf_size; |
97 | 7e2515e8 | bellard | } |
98 | 7e2515e8 | bellard | if (term_cmd_buf_index != term_last_cmd_buf_index) {
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99 | 7e2515e8 | bellard | delta = term_cmd_buf_index - term_last_cmd_buf_index; |
100 | 7e2515e8 | bellard | if (delta > 0) { |
101 | 7e2515e8 | bellard | for(i = 0;i < delta; i++) { |
102 | 7e2515e8 | bellard | term_printf("\033[C");
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103 | 7e2515e8 | bellard | } |
104 | 7e2515e8 | bellard | } else {
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105 | 7e2515e8 | bellard | delta = -delta; |
106 | 7e2515e8 | bellard | for(i = 0;i < delta; i++) { |
107 | 7e2515e8 | bellard | term_printf("\033[D");
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108 | 7e2515e8 | bellard | } |
109 | 7e2515e8 | bellard | } |
110 | 7e2515e8 | bellard | term_last_cmd_buf_index = term_cmd_buf_index; |
111 | 7e2515e8 | bellard | } |
112 | 7e2515e8 | bellard | term_flush(); |
113 | 7e2515e8 | bellard | } |
114 | 7e2515e8 | bellard | |
115 | 7e2515e8 | bellard | static void term_insert_char(int ch) |
116 | 7e2515e8 | bellard | { |
117 | 7e2515e8 | bellard | if (term_cmd_buf_index < TERM_CMD_BUF_SIZE) {
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118 | 7e2515e8 | bellard | memmove(term_cmd_buf + term_cmd_buf_index + 1,
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119 | 7e2515e8 | bellard | term_cmd_buf + term_cmd_buf_index, |
120 | 7e2515e8 | bellard | term_cmd_buf_size - term_cmd_buf_index); |
121 | 7e2515e8 | bellard | term_cmd_buf[term_cmd_buf_index] = ch; |
122 | 7e2515e8 | bellard | term_cmd_buf_size++; |
123 | 7e2515e8 | bellard | term_cmd_buf_index++; |
124 | 7e2515e8 | bellard | } |
125 | 7e2515e8 | bellard | } |
126 | 7e2515e8 | bellard | |
127 | 7e2515e8 | bellard | static void term_backward_char(void) |
128 | 7e2515e8 | bellard | { |
129 | 7e2515e8 | bellard | if (term_cmd_buf_index > 0) { |
130 | 7e2515e8 | bellard | term_cmd_buf_index--; |
131 | 7e2515e8 | bellard | } |
132 | 7e2515e8 | bellard | } |
133 | 7e2515e8 | bellard | |
134 | 7e2515e8 | bellard | static void term_forward_char(void) |
135 | 7e2515e8 | bellard | { |
136 | 7e2515e8 | bellard | if (term_cmd_buf_index < term_cmd_buf_size) {
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137 | 7e2515e8 | bellard | term_cmd_buf_index++; |
138 | 7e2515e8 | bellard | } |
139 | 7e2515e8 | bellard | } |
140 | 7e2515e8 | bellard | |
141 | 7e2515e8 | bellard | static void term_delete_char(void) |
142 | 7e2515e8 | bellard | { |
143 | 7e2515e8 | bellard | if (term_cmd_buf_index < term_cmd_buf_size) {
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144 | 7e2515e8 | bellard | memmove(term_cmd_buf + term_cmd_buf_index, |
145 | 7e2515e8 | bellard | term_cmd_buf + term_cmd_buf_index + 1,
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146 | 7e2515e8 | bellard | term_cmd_buf_size - term_cmd_buf_index - 1);
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147 | 7e2515e8 | bellard | term_cmd_buf_size--; |
148 | 7e2515e8 | bellard | } |
149 | 7e2515e8 | bellard | } |
150 | 7e2515e8 | bellard | |
151 | 7e2515e8 | bellard | static void term_backspace(void) |
152 | 7e2515e8 | bellard | { |
153 | 7e2515e8 | bellard | if (term_cmd_buf_index > 0) { |
154 | 7e2515e8 | bellard | term_backward_char(); |
155 | 7e2515e8 | bellard | term_delete_char(); |
156 | 7e2515e8 | bellard | } |
157 | 7e2515e8 | bellard | } |
158 | 7e2515e8 | bellard | |
159 | 33fa11d4 | ths | static void term_backword(void) |
160 | 33fa11d4 | ths | { |
161 | 33fa11d4 | ths | int start;
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162 | 33fa11d4 | ths | |
163 | 33fa11d4 | ths | if (term_cmd_buf_index == 0 || term_cmd_buf_index > term_cmd_buf_size) { |
164 | 33fa11d4 | ths | return;
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165 | 33fa11d4 | ths | } |
166 | 33fa11d4 | ths | |
167 | 33fa11d4 | ths | start = term_cmd_buf_index - 1;
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168 | 33fa11d4 | ths | |
169 | 33fa11d4 | ths | /* find first word (backwards) */
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170 | 33fa11d4 | ths | while (start > 0) { |
171 | 33fa11d4 | ths | if (!isspace(term_cmd_buf[start])) {
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172 | 33fa11d4 | ths | break;
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173 | 33fa11d4 | ths | } |
174 | 33fa11d4 | ths | |
175 | 33fa11d4 | ths | --start; |
176 | 33fa11d4 | ths | } |
177 | 33fa11d4 | ths | |
178 | 33fa11d4 | ths | /* find first space (backwards) */
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179 | 33fa11d4 | ths | while (start > 0) { |
180 | 33fa11d4 | ths | if (isspace(term_cmd_buf[start])) {
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181 | 33fa11d4 | ths | ++start; |
182 | 33fa11d4 | ths | break;
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183 | 33fa11d4 | ths | } |
184 | 33fa11d4 | ths | |
185 | 33fa11d4 | ths | --start; |
186 | 33fa11d4 | ths | } |
187 | 33fa11d4 | ths | |
188 | 33fa11d4 | ths | /* remove word */
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189 | 33fa11d4 | ths | if (start < term_cmd_buf_index) {
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190 | 33fa11d4 | ths | memmove(term_cmd_buf + start, |
191 | 33fa11d4 | ths | term_cmd_buf + term_cmd_buf_index, |
192 | 33fa11d4 | ths | term_cmd_buf_size - term_cmd_buf_index); |
193 | 33fa11d4 | ths | term_cmd_buf_size -= term_cmd_buf_index - start; |
194 | 33fa11d4 | ths | term_cmd_buf_index = start; |
195 | 33fa11d4 | ths | } |
196 | 33fa11d4 | ths | } |
197 | 33fa11d4 | ths | |
198 | 7e2515e8 | bellard | static void term_bol(void) |
199 | 7e2515e8 | bellard | { |
200 | 7e2515e8 | bellard | term_cmd_buf_index = 0;
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201 | 7e2515e8 | bellard | } |
202 | 7e2515e8 | bellard | |
203 | 7e2515e8 | bellard | static void term_eol(void) |
204 | 7e2515e8 | bellard | { |
205 | 7e2515e8 | bellard | term_cmd_buf_index = term_cmd_buf_size; |
206 | 7e2515e8 | bellard | } |
207 | 7e2515e8 | bellard | |
208 | 7e2515e8 | bellard | static void term_up_char(void) |
209 | 7e2515e8 | bellard | { |
210 | 7e2515e8 | bellard | int idx;
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211 | 7e2515e8 | bellard | |
212 | 7e2515e8 | bellard | if (term_hist_entry == 0) |
213 | 7e2515e8 | bellard | return;
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214 | 7e2515e8 | bellard | if (term_hist_entry == -1) { |
215 | 7e2515e8 | bellard | /* Find latest entry */
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216 | 7e2515e8 | bellard | for (idx = 0; idx < TERM_MAX_CMDS; idx++) { |
217 | 7e2515e8 | bellard | if (term_history[idx] == NULL) |
218 | 7e2515e8 | bellard | break;
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219 | 7e2515e8 | bellard | } |
220 | 7e2515e8 | bellard | term_hist_entry = idx; |
221 | 7e2515e8 | bellard | } |
222 | 7e2515e8 | bellard | term_hist_entry--; |
223 | 7e2515e8 | bellard | if (term_hist_entry >= 0) { |
224 | 5fafdf24 | ths | pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
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225 | 7e2515e8 | bellard | term_history[term_hist_entry]); |
226 | 7e2515e8 | bellard | term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf); |
227 | 7e2515e8 | bellard | } |
228 | 7e2515e8 | bellard | } |
229 | 7e2515e8 | bellard | |
230 | 7e2515e8 | bellard | static void term_down_char(void) |
231 | 7e2515e8 | bellard | { |
232 | 7e2515e8 | bellard | if (term_hist_entry == TERM_MAX_CMDS - 1 || term_hist_entry == -1) |
233 | 7e2515e8 | bellard | return;
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234 | 7e2515e8 | bellard | if (term_history[++term_hist_entry] != NULL) { |
235 | 7e2515e8 | bellard | pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
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236 | 7e2515e8 | bellard | term_history[term_hist_entry]); |
237 | 7e2515e8 | bellard | } else {
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238 | 7e2515e8 | bellard | term_hist_entry = -1;
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239 | 7e2515e8 | bellard | } |
240 | 7e2515e8 | bellard | term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf); |
241 | 7e2515e8 | bellard | } |
242 | 7e2515e8 | bellard | |
243 | 7e2515e8 | bellard | static void term_hist_add(const char *cmdline) |
244 | 7e2515e8 | bellard | { |
245 | 7e2515e8 | bellard | char *hist_entry, *new_entry;
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246 | 7e2515e8 | bellard | int idx;
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247 | 7e2515e8 | bellard | |
248 | 7e2515e8 | bellard | if (cmdline[0] == '\0') |
249 | 7e2515e8 | bellard | return;
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250 | 7e2515e8 | bellard | new_entry = NULL;
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251 | 7e2515e8 | bellard | if (term_hist_entry != -1) { |
252 | 7e2515e8 | bellard | /* We were editing an existing history entry: replace it */
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253 | 7e2515e8 | bellard | hist_entry = term_history[term_hist_entry]; |
254 | 7e2515e8 | bellard | idx = term_hist_entry; |
255 | 7e2515e8 | bellard | if (strcmp(hist_entry, cmdline) == 0) { |
256 | 7e2515e8 | bellard | goto same_entry;
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257 | 7e2515e8 | bellard | } |
258 | 7e2515e8 | bellard | } |
259 | 7e2515e8 | bellard | /* Search cmdline in history buffers */
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260 | 7e2515e8 | bellard | for (idx = 0; idx < TERM_MAX_CMDS; idx++) { |
261 | 7e2515e8 | bellard | hist_entry = term_history[idx]; |
262 | 7e2515e8 | bellard | if (hist_entry == NULL) |
263 | 7e2515e8 | bellard | break;
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264 | 7e2515e8 | bellard | if (strcmp(hist_entry, cmdline) == 0) { |
265 | 7e2515e8 | bellard | same_entry:
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266 | 7e2515e8 | bellard | new_entry = hist_entry; |
267 | 7e2515e8 | bellard | /* Put this entry at the end of history */
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268 | 7e2515e8 | bellard | memmove(&term_history[idx], &term_history[idx + 1],
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269 | 7e2515e8 | bellard | &term_history[TERM_MAX_CMDS] - &term_history[idx + 1]);
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270 | 7e2515e8 | bellard | term_history[TERM_MAX_CMDS - 1] = NULL; |
271 | 7e2515e8 | bellard | for (; idx < TERM_MAX_CMDS; idx++) {
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272 | 7e2515e8 | bellard | if (term_history[idx] == NULL) |
273 | 7e2515e8 | bellard | break;
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274 | 7e2515e8 | bellard | } |
275 | 7e2515e8 | bellard | break;
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276 | 7e2515e8 | bellard | } |
277 | 7e2515e8 | bellard | } |
278 | 7e2515e8 | bellard | if (idx == TERM_MAX_CMDS) {
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279 | 7e2515e8 | bellard | /* Need to get one free slot */
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280 | 7e2515e8 | bellard | free(term_history[0]);
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281 | 7e2515e8 | bellard | memcpy(term_history, &term_history[1],
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282 | 7e2515e8 | bellard | &term_history[TERM_MAX_CMDS] - &term_history[1]);
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283 | 7e2515e8 | bellard | term_history[TERM_MAX_CMDS - 1] = NULL; |
284 | 7e2515e8 | bellard | idx = TERM_MAX_CMDS - 1;
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285 | 7e2515e8 | bellard | } |
286 | 7e2515e8 | bellard | if (new_entry == NULL) |
287 | 7e2515e8 | bellard | new_entry = strdup(cmdline); |
288 | 7e2515e8 | bellard | term_history[idx] = new_entry; |
289 | 7e2515e8 | bellard | term_hist_entry = -1;
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290 | 7e2515e8 | bellard | } |
291 | 7e2515e8 | bellard | |
292 | 7e2515e8 | bellard | /* completion support */
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293 | 7e2515e8 | bellard | |
294 | 7e2515e8 | bellard | void add_completion(const char *str) |
295 | 7e2515e8 | bellard | { |
296 | 7e2515e8 | bellard | if (nb_completions < NB_COMPLETIONS_MAX) {
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297 | 7e2515e8 | bellard | completions[nb_completions++] = qemu_strdup(str); |
298 | 7e2515e8 | bellard | } |
299 | 7e2515e8 | bellard | } |
300 | 7e2515e8 | bellard | |
301 | 7e2515e8 | bellard | static void term_completion(void) |
302 | 7e2515e8 | bellard | { |
303 | b427c726 | ths | int len, i, j, max_width, nb_cols, max_prefix;
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304 | 7e2515e8 | bellard | char *cmdline;
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305 | 7e2515e8 | bellard | |
306 | 7e2515e8 | bellard | nb_completions = 0;
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307 | 3b46e624 | ths | |
308 | 7e2515e8 | bellard | cmdline = qemu_malloc(term_cmd_buf_index + 1);
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309 | 7e2515e8 | bellard | if (!cmdline)
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310 | 7e2515e8 | bellard | return;
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311 | 7e2515e8 | bellard | memcpy(cmdline, term_cmd_buf, term_cmd_buf_index); |
312 | 7e2515e8 | bellard | cmdline[term_cmd_buf_index] = '\0';
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313 | 7e2515e8 | bellard | readline_find_completion(cmdline); |
314 | 7e2515e8 | bellard | qemu_free(cmdline); |
315 | 7e2515e8 | bellard | |
316 | 7e2515e8 | bellard | /* no completion found */
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317 | 7e2515e8 | bellard | if (nb_completions <= 0) |
318 | 7e2515e8 | bellard | return;
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319 | 7e2515e8 | bellard | if (nb_completions == 1) { |
320 | 7e2515e8 | bellard | len = strlen(completions[0]);
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321 | 7e2515e8 | bellard | for(i = completion_index; i < len; i++) {
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322 | 7e2515e8 | bellard | term_insert_char(completions[0][i]);
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323 | 7e2515e8 | bellard | } |
324 | 7e2515e8 | bellard | /* extra space for next argument. XXX: make it more generic */
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325 | 7e2515e8 | bellard | if (len > 0 && completions[0][len - 1] != '/') |
326 | 7e2515e8 | bellard | term_insert_char(' ');
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327 | 7e2515e8 | bellard | } else {
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328 | 7e2515e8 | bellard | term_printf("\n");
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329 | 7e2515e8 | bellard | max_width = 0;
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330 | b427c726 | ths | max_prefix = 0;
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331 | 7e2515e8 | bellard | for(i = 0; i < nb_completions; i++) { |
332 | 7e2515e8 | bellard | len = strlen(completions[i]); |
333 | b427c726 | ths | if (i==0) { |
334 | b427c726 | ths | max_prefix = len; |
335 | b427c726 | ths | } else {
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336 | b427c726 | ths | if (len < max_prefix)
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337 | b427c726 | ths | max_prefix = len; |
338 | b427c726 | ths | for(j=0; j<max_prefix; j++) { |
339 | b427c726 | ths | if (completions[i][j] != completions[0][j]) |
340 | b427c726 | ths | max_prefix = j; |
341 | b427c726 | ths | } |
342 | b427c726 | ths | } |
343 | 7e2515e8 | bellard | if (len > max_width)
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344 | 7e2515e8 | bellard | max_width = len; |
345 | 7e2515e8 | bellard | } |
346 | b427c726 | ths | if (max_prefix > 0) |
347 | b427c726 | ths | for(i = completion_index; i < max_prefix; i++) {
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348 | b427c726 | ths | term_insert_char(completions[0][i]);
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349 | b427c726 | ths | } |
350 | 7e2515e8 | bellard | max_width += 2;
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351 | 7e2515e8 | bellard | if (max_width < 10) |
352 | 7e2515e8 | bellard | max_width = 10;
|
353 | 7e2515e8 | bellard | else if (max_width > 80) |
354 | 7e2515e8 | bellard | max_width = 80;
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355 | 7e2515e8 | bellard | nb_cols = 80 / max_width;
|
356 | 7e2515e8 | bellard | j = 0;
|
357 | 7e2515e8 | bellard | for(i = 0; i < nb_completions; i++) { |
358 | 7e2515e8 | bellard | term_printf("%-*s", max_width, completions[i]);
|
359 | 7e2515e8 | bellard | if (++j == nb_cols || i == (nb_completions - 1)) { |
360 | 7e2515e8 | bellard | term_printf("\n");
|
361 | 7e2515e8 | bellard | j = 0;
|
362 | 7e2515e8 | bellard | } |
363 | 7e2515e8 | bellard | } |
364 | 7e2515e8 | bellard | term_show_prompt2(); |
365 | 7e2515e8 | bellard | } |
366 | 7e2515e8 | bellard | } |
367 | 7e2515e8 | bellard | |
368 | 7e2515e8 | bellard | /* return true if command handled */
|
369 | 7e2515e8 | bellard | void readline_handle_byte(int ch) |
370 | 7e2515e8 | bellard | { |
371 | 7e2515e8 | bellard | switch(term_esc_state) {
|
372 | 7e2515e8 | bellard | case IS_NORM:
|
373 | 7e2515e8 | bellard | switch(ch) {
|
374 | 7e2515e8 | bellard | case 1: |
375 | 7e2515e8 | bellard | term_bol(); |
376 | 7e2515e8 | bellard | break;
|
377 | 7e2515e8 | bellard | case 4: |
378 | 7e2515e8 | bellard | term_delete_char(); |
379 | 7e2515e8 | bellard | break;
|
380 | 7e2515e8 | bellard | case 5: |
381 | 7e2515e8 | bellard | term_eol(); |
382 | 7e2515e8 | bellard | break;
|
383 | 7e2515e8 | bellard | case 9: |
384 | 7e2515e8 | bellard | term_completion(); |
385 | 7e2515e8 | bellard | break;
|
386 | 7e2515e8 | bellard | case 10: |
387 | 7e2515e8 | bellard | case 13: |
388 | 7e2515e8 | bellard | term_cmd_buf[term_cmd_buf_size] = '\0';
|
389 | 7e2515e8 | bellard | if (!term_is_password)
|
390 | 7e2515e8 | bellard | term_hist_add(term_cmd_buf); |
391 | 7e2515e8 | bellard | term_printf("\n");
|
392 | c92843b5 | ths | term_cmd_buf_index = 0;
|
393 | c92843b5 | ths | term_cmd_buf_size = 0;
|
394 | c92843b5 | ths | term_last_cmd_buf_index = 0;
|
395 | c92843b5 | ths | term_last_cmd_buf_size = 0;
|
396 | 7e2515e8 | bellard | /* NOTE: readline_start can be called here */
|
397 | 7e2515e8 | bellard | term_readline_func(term_readline_opaque, term_cmd_buf); |
398 | 7e2515e8 | bellard | break;
|
399 | 33fa11d4 | ths | case 23: |
400 | 33fa11d4 | ths | /* ^W */
|
401 | 33fa11d4 | ths | term_backword(); |
402 | 33fa11d4 | ths | break;
|
403 | 7e2515e8 | bellard | case 27: |
404 | 7e2515e8 | bellard | term_esc_state = IS_ESC; |
405 | 7e2515e8 | bellard | break;
|
406 | 7e2515e8 | bellard | case 127: |
407 | 7e2515e8 | bellard | case 8: |
408 | 7e2515e8 | bellard | term_backspace(); |
409 | 7e2515e8 | bellard | break;
|
410 | 7e2515e8 | bellard | case 155: |
411 | 7e2515e8 | bellard | term_esc_state = IS_CSI; |
412 | 7e2515e8 | bellard | break;
|
413 | 7e2515e8 | bellard | default:
|
414 | 7e2515e8 | bellard | if (ch >= 32) { |
415 | 7e2515e8 | bellard | term_insert_char(ch); |
416 | 7e2515e8 | bellard | } |
417 | 7e2515e8 | bellard | break;
|
418 | 7e2515e8 | bellard | } |
419 | 7e2515e8 | bellard | break;
|
420 | 7e2515e8 | bellard | case IS_ESC:
|
421 | 7e2515e8 | bellard | if (ch == '[') { |
422 | 7e2515e8 | bellard | term_esc_state = IS_CSI; |
423 | 7e2515e8 | bellard | term_esc_param = 0;
|
424 | 7e2515e8 | bellard | } else {
|
425 | 7e2515e8 | bellard | term_esc_state = IS_NORM; |
426 | 7e2515e8 | bellard | } |
427 | 7e2515e8 | bellard | break;
|
428 | 7e2515e8 | bellard | case IS_CSI:
|
429 | 7e2515e8 | bellard | switch(ch) {
|
430 | 7e2515e8 | bellard | case 'A': |
431 | 7e2515e8 | bellard | case 'F': |
432 | 7e2515e8 | bellard | term_up_char(); |
433 | 7e2515e8 | bellard | break;
|
434 | 7e2515e8 | bellard | case 'B': |
435 | 7e2515e8 | bellard | case 'E': |
436 | 7e2515e8 | bellard | term_down_char(); |
437 | 7e2515e8 | bellard | break;
|
438 | 7e2515e8 | bellard | case 'D': |
439 | 7e2515e8 | bellard | term_backward_char(); |
440 | 7e2515e8 | bellard | break;
|
441 | 7e2515e8 | bellard | case 'C': |
442 | 7e2515e8 | bellard | term_forward_char(); |
443 | 7e2515e8 | bellard | break;
|
444 | 7e2515e8 | bellard | case '0' ... '9': |
445 | 7e2515e8 | bellard | term_esc_param = term_esc_param * 10 + (ch - '0'); |
446 | 7e2515e8 | bellard | goto the_end;
|
447 | 7e2515e8 | bellard | case '~': |
448 | 7e2515e8 | bellard | switch(term_esc_param) {
|
449 | 7e2515e8 | bellard | case 1: |
450 | 7e2515e8 | bellard | term_bol(); |
451 | 7e2515e8 | bellard | break;
|
452 | 7e2515e8 | bellard | case 3: |
453 | 7e2515e8 | bellard | term_delete_char(); |
454 | 7e2515e8 | bellard | break;
|
455 | 7e2515e8 | bellard | case 4: |
456 | 7e2515e8 | bellard | term_eol(); |
457 | 7e2515e8 | bellard | break;
|
458 | 7e2515e8 | bellard | } |
459 | 7e2515e8 | bellard | break;
|
460 | 7e2515e8 | bellard | default:
|
461 | 7e2515e8 | bellard | break;
|
462 | 7e2515e8 | bellard | } |
463 | 7e2515e8 | bellard | term_esc_state = IS_NORM; |
464 | 7e2515e8 | bellard | the_end:
|
465 | 7e2515e8 | bellard | break;
|
466 | 7e2515e8 | bellard | } |
467 | 7e2515e8 | bellard | term_update(); |
468 | 7e2515e8 | bellard | } |
469 | 7e2515e8 | bellard | |
470 | 7e2515e8 | bellard | void readline_start(const char *prompt, int is_password, |
471 | 7e2515e8 | bellard | ReadLineFunc *readline_func, void *opaque)
|
472 | 7e2515e8 | bellard | { |
473 | 7e2515e8 | bellard | pstrcpy(term_prompt, sizeof(term_prompt), prompt);
|
474 | 7e2515e8 | bellard | term_readline_func = readline_func; |
475 | 7e2515e8 | bellard | term_readline_opaque = opaque; |
476 | 7e2515e8 | bellard | term_is_password = is_password; |
477 | 7e2515e8 | bellard | term_show_prompt(); |
478 | 7e2515e8 | bellard | } |
479 | 7e2515e8 | bellard | |
480 | 7e2515e8 | bellard | const char *readline_get_history(unsigned int index) |
481 | 7e2515e8 | bellard | { |
482 | 7e2515e8 | bellard | if (index >= TERM_MAX_CMDS)
|
483 | 7e2515e8 | bellard | return NULL; |
484 | 7e2515e8 | bellard | return term_history[index];
|
485 | 7e2515e8 | bellard | } |
486 | 7e2515e8 | bellard |