4  * Copyright (c) 2003-2004 Fabrice Bellard
37     rs->printf_func(rs->opaque, "%s", rs->prompt);  in readline_show_prompt()
38     rs->flush_func(rs->opaque);  in readline_show_prompt()
39     rs->last_cmd_buf_index = 0;  in readline_show_prompt()
40     rs->last_cmd_buf_size = 0;  in readline_show_prompt()
41     rs->esc_state = IS_NORM;  in readline_show_prompt()
49     if (rs->cmd_buf_size != rs->last_cmd_buf_size ||  in readline_update()
50         memcmp(rs->cmd_buf, rs->last_cmd_buf, rs->cmd_buf_size) != 0) {  in readline_update()
51         for (i = 0; i < rs->last_cmd_buf_index; i++) {  in readline_update()
52             rs->printf_func(rs->opaque, "\033[D");  in readline_update()
54         rs->cmd_buf[rs->cmd_buf_size] = '\0';  in readline_update()
55         if (rs->read_password) {  in readline_update()
56             len = strlen(rs->cmd_buf);  in readline_update()
58                 rs->printf_func(rs->opaque, "*");  in readline_update()
61             rs->printf_func(rs->opaque, "%s", rs->cmd_buf);  in readline_update()
63         rs->printf_func(rs->opaque, "\033[K");  in readline_update()
64         memcpy(rs->last_cmd_buf, rs->cmd_buf, rs->cmd_buf_size);  in readline_update()
65         rs->last_cmd_buf_size = rs->cmd_buf_size;  in readline_update()
66         rs->last_cmd_buf_index = rs->cmd_buf_size;  in readline_update()
68     if (rs->cmd_buf_index != rs->last_cmd_buf_index) {  in readline_update()
69         delta = rs->cmd_buf_index - rs->last_cmd_buf_index;  in readline_update()
72                 rs->printf_func(rs->opaque, "\033[C");  in readline_update()
75             delta = -delta;  in readline_update()
77                 rs->printf_func(rs->opaque, "\033[D");  in readline_update()
80         rs->last_cmd_buf_index = rs->cmd_buf_index;  in readline_update()
82     rs->flush_func(rs->opaque);  in readline_update()
87     if (rs->cmd_buf_index < READLINE_CMD_BUF_SIZE) {  in readline_insert_char()
88         memmove(rs->cmd_buf + rs->cmd_buf_index + 1,  in readline_insert_char()
89                 rs->cmd_buf + rs->cmd_buf_index,  in readline_insert_char()
90                 rs->cmd_buf_size - rs->cmd_buf_index);  in readline_insert_char()
91         rs->cmd_buf[rs->cmd_buf_index] = ch;  in readline_insert_char()
92         rs->cmd_buf_size++;  in readline_insert_char()
93         rs->cmd_buf_index++;  in readline_insert_char()
99     if (rs->cmd_buf_index > 0) {  in readline_backward_char()
100         rs->cmd_buf_index--;  in readline_backward_char()
106     if (rs->cmd_buf_index < rs->cmd_buf_size) {  in readline_forward_char()
107         rs->cmd_buf_index++;  in readline_forward_char()
113     if (rs->cmd_buf_index < rs->cmd_buf_size) {  in readline_delete_char()
114         memmove(rs->cmd_buf + rs->cmd_buf_index,  in readline_delete_char()
115                 rs->cmd_buf + rs->cmd_buf_index + 1,  in readline_delete_char()
116                 rs->cmd_buf_size - rs->cmd_buf_index - 1);  in readline_delete_char()
117         rs->cmd_buf_size--;  in readline_delete_char()
123     if (rs->cmd_buf_index > 0) {  in readline_backspace()
133     if (rs->cmd_buf_index == 0 || rs->cmd_buf_index > rs->cmd_buf_size) {  in readline_backword()
137     start = rs->cmd_buf_index - 1;  in readline_backword()
141         if (!qemu_isspace(rs->cmd_buf[start])) {  in readline_backword()
145         --start;  in readline_backword()
150         if (qemu_isspace(rs->cmd_buf[start])) {  in readline_backword()
155         --start;  in readline_backword()
159     if (start < rs->cmd_buf_index) {  in readline_backword()
160         memmove(rs->cmd_buf + start,  in readline_backword()
161                 rs->cmd_buf + rs->cmd_buf_index,  in readline_backword()
162                 rs->cmd_buf_size - rs->cmd_buf_index);  in readline_backword()
163         rs->cmd_buf_size -= rs->cmd_buf_index - start;  in readline_backword()
164         rs->cmd_buf_index = start;  in readline_backword()
170     rs->cmd_buf_index = 0;  in readline_bol()
175     rs->cmd_buf_index = rs->cmd_buf_size;  in readline_eol()
182     if (rs->hist_entry == 0) {  in readline_up_char()
185     if (rs->hist_entry == -1) {  in readline_up_char()
188             if (rs->history[idx] == NULL) {  in readline_up_char()
192         rs->hist_entry = idx;  in readline_up_char()
194     rs->hist_entry--;  in readline_up_char()
195     if (rs->hist_entry >= 0) {  in readline_up_char()
196         pstrcpy(rs->cmd_buf, sizeof(rs->cmd_buf),  in readline_up_char()
197                 rs->history[rs->hist_entry]);  in readline_up_char()
198         rs->cmd_buf_index = rs->cmd_buf_size = strlen(rs->cmd_buf);  in readline_up_char()
204     if (rs->hist_entry == -1) {  in readline_down_char()
207     if (rs->hist_entry < READLINE_MAX_CMDS - 1 &&  in readline_down_char()
208         rs->history[++rs->hist_entry] != NULL) {  in readline_down_char()
209         pstrcpy(rs->cmd_buf, sizeof(rs->cmd_buf),  in readline_down_char()
210                 rs->history[rs->hist_entry]);  in readline_down_char()
212         rs->cmd_buf[0] = 0;  in readline_down_char()
213         rs->hist_entry = -1;  in readline_down_char()
215     rs->cmd_buf_index = rs->cmd_buf_size = strlen(rs->cmd_buf);  in readline_down_char()
227     if (rs->hist_entry != -1) {  in readline_hist_add()
229         hist_entry = rs->history[rs->hist_entry];  in readline_hist_add()
230         idx = rs->hist_entry;  in readline_hist_add()
237         hist_entry = rs->history[idx];  in readline_hist_add()
243             if (idx == READLINE_MAX_CMDS - 1) {  in readline_hist_add()
248             memmove(&rs->history[idx], &rs->history[idx + 1],  in readline_hist_add()
249                     (READLINE_MAX_CMDS - (idx + 1)) * sizeof(char *));  in readline_hist_add()
250             rs->history[READLINE_MAX_CMDS - 1] = NULL;  in readline_hist_add()
252                 if (rs->history[idx] == NULL) {  in readline_hist_add()
261         g_free(rs->history[0]);  in readline_hist_add()
262         memmove(rs->history, &rs->history[1],  in readline_hist_add()
263                 (READLINE_MAX_CMDS - 1) * sizeof(char *));  in readline_hist_add()
264         rs->history[READLINE_MAX_CMDS - 1] = NULL;  in readline_hist_add()
265         idx = READLINE_MAX_CMDS - 1;  in readline_hist_add()
270     rs->history[idx] = new_entry;  in readline_hist_add()
271     rs->hist_entry = -1;  in readline_hist_add()
276     while (rs->cmd_buf_index > 0) {  in readline_kill_line()
286     if (rs->nb_completions < READLINE_MAX_COMPLETIONS) {  in readline_add_completion()
288         for (i = 0; i < rs->nb_completions; i++) {  in readline_add_completion()
289             if (!strcmp(rs->completions[i], str)) {  in readline_add_completion()
293         rs->completions[rs->nb_completions++] = g_strdup(str);  in readline_add_completion()
307     rs->completion_index = index;  in readline_set_completion_index()
320     rs->nb_completions = 0;  in readline_completion()
322     cmdline = g_strndup(rs->cmd_buf, rs->cmd_buf_index);  in readline_completion()
323     rs->completion_finder(rs->opaque, cmdline);  in readline_completion()
327     if (rs->nb_completions <= 0) {  in readline_completion()
330     if (rs->nb_completions == 1) {  in readline_completion()
331         len = strlen(rs->completions[0]);  in readline_completion()
332         for (i = rs->completion_index; i < len; i++) {  in readline_completion()
333             readline_insert_char(rs, rs->completions[0][i]);  in readline_completion()
336         if (len > 0 && rs->completions[0][len - 1] != '/') {  in readline_completion()
340         qsort(rs->completions, rs->nb_completions, sizeof(char *),  in readline_completion()
342         rs->printf_func(rs->opaque, "\n");  in readline_completion()
345         for (i = 0; i < rs->nb_completions; i++) {  in readline_completion()
346             len = strlen(rs->completions[i]);  in readline_completion()
354                     if (rs->completions[i][j] != rs->completions[0][j]) {  in readline_completion()
364             for (i = rs->completion_index; i < max_prefix; i++) {  in readline_completion()
365                 readline_insert_char(rs, rs->completions[0][i]);  in readline_completion()
375         for (i = 0; i < rs->nb_completions; i++) {  in readline_completion()
376             rs->printf_func(rs->opaque, "%-*s", max_width, rs->completions[i]);  in readline_completion()
377             if (++j == nb_cols || i == (rs->nb_completions - 1)) {  in readline_completion()
378                 rs->printf_func(rs->opaque, "\n");  in readline_completion()
384     for (i = 0; i < rs->nb_completions; i++) {  in readline_completion()
385         g_free(rs->completions[i]);  in readline_completion()
391     rs->printf_func(rs->opaque, "\033[2J\033[1;1H");  in readline_clear_screen()
398     switch (rs->esc_state) {  in readline_handle_byte()
418             rs->cmd_buf[rs->cmd_buf_size] = '\0';  in readline_handle_byte()
419             if (!rs->read_password) {  in readline_handle_byte()
420                 readline_hist_add(rs, rs->cmd_buf);  in readline_handle_byte()
422             rs->printf_func(rs->opaque, "\n");  in readline_handle_byte()
423             rs->cmd_buf_index = 0;  in readline_handle_byte()
424             rs->cmd_buf_size = 0;  in readline_handle_byte()
425             rs->last_cmd_buf_index = 0;  in readline_handle_byte()
426             rs->last_cmd_buf_size = 0;  in readline_handle_byte()
427             rs->readline_func(rs->opaque, rs->cmd_buf, rs->readline_opaque);  in readline_handle_byte()
446             rs->esc_state = IS_ESC;  in readline_handle_byte()
453             rs->esc_state = IS_CSI;  in readline_handle_byte()
464             rs->esc_state = IS_CSI;  in readline_handle_byte()
465             rs->esc_param = 0;  in readline_handle_byte()
467             rs->esc_state = IS_SS3;  in readline_handle_byte()
468             rs->esc_param = 0;  in readline_handle_byte()
470             rs->esc_state = IS_NORM;  in readline_handle_byte()
490             rs->esc_param = rs->esc_param * 10 + (ch - '0');  in readline_handle_byte()
493             switch (rs->esc_param) {  in readline_handle_byte()
510         rs->esc_state = IS_NORM;  in readline_handle_byte()
525         rs->esc_state = IS_NORM;  in readline_handle_byte()
536     pstrcpy(rs->prompt, sizeof(rs->prompt), prompt);  in readline_start()
537     rs->readline_func = readline_func;  in readline_start()
538     rs->readline_opaque = opaque;  in readline_start()
539     rs->read_password = read_password;  in readline_start()
545     rs->cmd_buf_index = 0;  in readline_restart()
546     rs->cmd_buf_size = 0;  in readline_restart()
554     return rs->history[index];  in readline_get_history()
565         g_free(rs->history[i]);  in readline_free()
577     rs->hist_entry = -1;  in readline_init()
578     rs->opaque = opaque;  in readline_init()
579     rs->printf_func = printf_func;  in readline_init()
580     rs->flush_func = flush_func;  in readline_init()
581     rs->completion_finder = completion_finder;  in readline_init()