#define offsetof(type, field) ((size_t) &((type *)0)->field)
#endif
-#define TERM_CMD_BUF_SIZE 4095
-#define TERM_MAX_CMDS 64
-#define NB_COMPLETIONS_MAX 256
-
-#define IS_NORM 0
-#define IS_ESC 1
-#define IS_CSI 2
-
-#define printf do_not_use_printf
-
-static char term_cmd_buf[TERM_CMD_BUF_SIZE + 1];
-static int term_cmd_buf_index;
-static int term_cmd_buf_size;
-
-static char term_last_cmd_buf[TERM_CMD_BUF_SIZE + 1];
-static int term_last_cmd_buf_index;
-static int term_last_cmd_buf_size;
-
-static int term_esc_state;
-static int term_esc_param;
-
-static char *term_history[TERM_MAX_CMDS];
-static int term_hist_entry;
-static CharDriverState *monitor_hd;
-
-static int nb_completions;
-static int completion_index;
-static char *completions[NB_COMPLETIONS_MAX];
-
-
/*
* Supported types:
*
const char *help;
} term_cmd_t;
+static CharDriverState *monitor_hd;
+
static term_cmd_t term_cmds[];
static term_cmd_t info_cmds[];
-static void add_completion(const char *str);
+static char term_outbuf[1024];
+static int term_outbuf_index;
-void term_printf(const char *fmt, ...)
+static void monitor_start_input(void);
+
+void term_flush(void)
+{
+ if (term_outbuf_index > 0) {
+ qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
+ term_outbuf_index = 0;
+ }
+}
+
+/* flush at every end of line or if the buffer is full */
+void term_puts(const char *str)
+{
+ int c;
+ for(;;) {
+ c = *str++;
+ if (c == '\0')
+ break;
+ term_outbuf[term_outbuf_index++] = c;
+ if (term_outbuf_index >= sizeof(term_outbuf) ||
+ c == '\n')
+ term_flush();
+ }
+}
+
+void term_vprintf(const char *fmt, va_list ap)
{
char buf[4096];
- va_list ap;
- va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
- qemu_chr_write(monitor_hd, buf, strlen(buf));
- va_end(ap);
+ term_puts(buf);
}
-void term_flush(void)
+void term_printf(const char *fmt, ...)
{
+ va_list ap;
+ va_start(ap, fmt);
+ term_vprintf(fmt, ap);
+ va_end(ap);
}
static int compare_cmd(const char *name, const char *list)
int i;
for (i = 0; i < MAX_DISKS; i++) {
- if (bs_table[i])
+ if (bs_table[i]) {
bdrv_commit(bs_table[i]);
+ }
}
}
static void do_info_history (void)
{
int i;
-
- for (i = 0; i < TERM_MAX_CMDS; i++) {
- if (term_history[i] == NULL)
- break;
- term_printf("%d: '%s'\n", i, term_history[i]);
+ const char *str;
+
+ i = 0;
+ for(;;) {
+ str = readline_get_history(i);
+ if (!str)
+ break;
+ term_printf("%d: '%s'\n", i, str);
}
}
static void do_change(const char *device, const char *filename)
{
BlockDriverState *bs;
+ int i;
+ char password[256];
bs = bdrv_find(device);
if (!bs) {
if (eject_device(bs, 0) < 0)
return;
bdrv_open(bs, filename, 0);
+ if (bdrv_is_encrypted(bs)) {
+ term_printf("%s is encrypted.\n", device);
+ for(i = 0; i < 3; i++) {
+ monitor_readline("Password: ", 1, password, sizeof(password));
+ if (bdrv_set_key(bs, password) == 0)
+ break;
+ term_printf("invalid password\n");
+ }
+ }
}
static void do_screen_dump(const char *filename)
#define MAX_ARGS 16
-static void term_handle_command(const char *cmdline)
+static void monitor_handle_command(const char *cmdline)
{
const char *p, *pstart, *typestr;
char *q;
*pnb_args = nb_args;
}
-static void find_completion(const char *cmdline)
+void readline_find_completion(const char *cmdline)
{
const char *cmdname;
char *args[MAX_ARGS];
qemu_free(args[i]);
}
-static void term_show_prompt2(void)
-{
- term_printf("(qemu) ");
- fflush(stdout);
- term_last_cmd_buf_index = 0;
- term_last_cmd_buf_size = 0;
- term_esc_state = IS_NORM;
-}
-
-static void term_show_prompt(void)
-{
- term_show_prompt2();
- term_cmd_buf_index = 0;
- term_cmd_buf_size = 0;
-}
-
-/* update the displayed command line */
-static void term_update(void)
-{
- int i, delta;
-
- if (term_cmd_buf_size != term_last_cmd_buf_size ||
- memcmp(term_cmd_buf, term_last_cmd_buf, term_cmd_buf_size) != 0) {
- for(i = 0; i < term_last_cmd_buf_index; i++) {
- term_printf("\033[D");
- }
- term_cmd_buf[term_cmd_buf_size] = '\0';
- term_printf("%s", term_cmd_buf);
- term_printf("\033[K");
- memcpy(term_last_cmd_buf, term_cmd_buf, term_cmd_buf_size);
- term_last_cmd_buf_size = term_cmd_buf_size;
- term_last_cmd_buf_index = term_cmd_buf_size;
- }
- if (term_cmd_buf_index != term_last_cmd_buf_index) {
- delta = term_cmd_buf_index - term_last_cmd_buf_index;
- if (delta > 0) {
- for(i = 0;i < delta; i++) {
- term_printf("\033[C");
- }
- } else {
- delta = -delta;
- for(i = 0;i < delta; i++) {
- term_printf("\033[D");
- }
- }
- term_last_cmd_buf_index = term_cmd_buf_index;
- }
- term_flush();
-}
-
-static void term_insert_char(int ch)
-{
- if (term_cmd_buf_index < TERM_CMD_BUF_SIZE) {
- memmove(term_cmd_buf + term_cmd_buf_index + 1,
- term_cmd_buf + term_cmd_buf_index,
- term_cmd_buf_size - term_cmd_buf_index);
- term_cmd_buf[term_cmd_buf_index] = ch;
- term_cmd_buf_size++;
- term_cmd_buf_index++;
- }
-}
-
-static void term_backward_char(void)
-{
- if (term_cmd_buf_index > 0) {
- term_cmd_buf_index--;
- }
-}
-
-static void term_forward_char(void)
-{
- if (term_cmd_buf_index < term_cmd_buf_size) {
- term_cmd_buf_index++;
- }
-}
-
-static void term_delete_char(void)
-{
- if (term_cmd_buf_index < term_cmd_buf_size) {
- memmove(term_cmd_buf + term_cmd_buf_index,
- term_cmd_buf + term_cmd_buf_index + 1,
- term_cmd_buf_size - term_cmd_buf_index - 1);
- term_cmd_buf_size--;
- }
-}
-
-static void term_backspace(void)
+static int term_can_read(void *opaque)
{
- if (term_cmd_buf_index > 0) {
- term_backward_char();
- term_delete_char();
- }
+ return 128;
}
-static void term_bol(void)
+static void term_read(void *opaque, const uint8_t *buf, int size)
{
- term_cmd_buf_index = 0;
+ int i;
+ for(i = 0; i < size; i++)
+ readline_handle_byte(buf[i]);
}
-static void term_eol(void)
-{
- term_cmd_buf_index = term_cmd_buf_size;
-}
+static void monitor_start_input(void);
-static void term_up_char(void)
+static void monitor_handle_command1(void *opaque, const char *cmdline)
{
- int idx;
-
- if (term_hist_entry == 0)
- return;
- if (term_hist_entry == -1) {
- /* Find latest entry */
- for (idx = 0; idx < TERM_MAX_CMDS; idx++) {
- if (term_history[idx] == NULL)
- break;
- }
- term_hist_entry = idx;
- }
- term_hist_entry--;
- if (term_hist_entry >= 0) {
- pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
- term_history[term_hist_entry]);
- term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf);
- }
+ monitor_handle_command(cmdline);
+ monitor_start_input();
}
-static void term_down_char(void)
+static void monitor_start_input(void)
{
- if (term_hist_entry == TERM_MAX_CMDS - 1 || term_hist_entry == -1)
- return;
- if (term_history[++term_hist_entry] != NULL) {
- pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
- term_history[term_hist_entry]);
- } else {
- term_hist_entry = -1;
- }
- term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf);
+ readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
}
-static void term_hist_add(const char *cmdline)
+void monitor_init(CharDriverState *hd, int show_banner)
{
- char *hist_entry, *new_entry;
- int idx;
-
- if (cmdline[0] == '\0')
- return;
- new_entry = NULL;
- if (term_hist_entry != -1) {
- /* We were editing an existing history entry: replace it */
- hist_entry = term_history[term_hist_entry];
- idx = term_hist_entry;
- if (strcmp(hist_entry, cmdline) == 0) {
- goto same_entry;
- }
- }
- /* Search cmdline in history buffers */
- for (idx = 0; idx < TERM_MAX_CMDS; idx++) {
- hist_entry = term_history[idx];
- if (hist_entry == NULL)
- break;
- if (strcmp(hist_entry, cmdline) == 0) {
- same_entry:
- new_entry = hist_entry;
- /* Put this entry at the end of history */
- memmove(&term_history[idx], &term_history[idx + 1],
- &term_history[TERM_MAX_CMDS] - &term_history[idx + 1]);
- term_history[TERM_MAX_CMDS - 1] = NULL;
- for (; idx < TERM_MAX_CMDS; idx++) {
- if (term_history[idx] == NULL)
- break;
- }
- break;
- }
- }
- if (idx == TERM_MAX_CMDS) {
- /* Need to get one free slot */
- free(term_history[0]);
- memcpy(term_history, &term_history[1],
- &term_history[TERM_MAX_CMDS] - &term_history[1]);
- term_history[TERM_MAX_CMDS - 1] = NULL;
- idx = TERM_MAX_CMDS - 1;
+ monitor_hd = hd;
+ if (show_banner) {
+ term_printf("QEMU %s monitor - type 'help' for more information\n",
+ QEMU_VERSION);
}
- if (new_entry == NULL)
- new_entry = strdup(cmdline);
- term_history[idx] = new_entry;
- term_hist_entry = -1;
+ qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
+ monitor_start_input();
}
-/* completion support */
-
-static void add_completion(const char *str)
-{
- if (nb_completions < NB_COMPLETIONS_MAX) {
- completions[nb_completions++] = qemu_strdup(str);
- }
-}
+/* XXX: use threads ? */
+/* modal monitor readline */
+static int monitor_readline_started;
+static char *monitor_readline_buf;
+static int monitor_readline_buf_size;
-static void term_completion(void)
+static void monitor_readline_cb(void *opaque, const char *input)
{
- int len, i, j, max_width, nb_cols;
- char *cmdline;
-
- nb_completions = 0;
-
- cmdline = qemu_malloc(term_cmd_buf_index + 1);
- if (!cmdline)
- return;
- memcpy(cmdline, term_cmd_buf, term_cmd_buf_index);
- cmdline[term_cmd_buf_index] = '\0';
- find_completion(cmdline);
- qemu_free(cmdline);
-
- /* no completion found */
- if (nb_completions <= 0)
- return;
- if (nb_completions == 1) {
- len = strlen(completions[0]);
- for(i = completion_index; i < len; i++) {
- term_insert_char(completions[0][i]);
- }
- /* extra space for next argument. XXX: make it more generic */
- if (len > 0 && completions[0][len - 1] != '/')
- term_insert_char(' ');
- } else {
- term_printf("\n");
- max_width = 0;
- for(i = 0; i < nb_completions; i++) {
- len = strlen(completions[i]);
- if (len > max_width)
- max_width = len;
- }
- max_width += 2;
- if (max_width < 10)
- max_width = 10;
- else if (max_width > 80)
- max_width = 80;
- nb_cols = 80 / max_width;
- j = 0;
- for(i = 0; i < nb_completions; i++) {
- term_printf("%-*s", max_width, completions[i]);
- if (++j == nb_cols || i == (nb_completions - 1)) {
- term_printf("\n");
- j = 0;
- }
- }
- term_show_prompt2();
- }
+ pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
+ monitor_readline_started = 0;
}
-/* return true if command handled */
-static void term_handle_byte(int ch)
+void monitor_readline(const char *prompt, int is_password,
+ char *buf, int buf_size)
{
- switch(term_esc_state) {
- case IS_NORM:
- switch(ch) {
- case 1:
- term_bol();
- break;
- case 4:
- term_delete_char();
- break;
- case 5:
- term_eol();
- break;
- case 9:
- term_completion();
- break;
- case 10:
- case 13:
- term_cmd_buf[term_cmd_buf_size] = '\0';
- term_hist_add(term_cmd_buf);
- term_printf("\n");
- term_handle_command(term_cmd_buf);
- term_show_prompt();
- break;
- case 27:
- term_esc_state = IS_ESC;
- break;
- case 127:
- case 8:
- term_backspace();
- break;
- case 155:
- term_esc_state = IS_CSI;
- break;
- default:
- if (ch >= 32) {
- term_insert_char(ch);
- }
- break;
- }
- break;
- case IS_ESC:
- if (ch == '[') {
- term_esc_state = IS_CSI;
- term_esc_param = 0;
- } else {
- term_esc_state = IS_NORM;
- }
- break;
- case IS_CSI:
- switch(ch) {
- case 'A':
- case 'F':
- term_up_char();
- break;
- case 'B':
- case 'E':
- term_down_char();
- break;
- case 'D':
- term_backward_char();
- break;
- case 'C':
- term_forward_char();
- break;
- case '0' ... '9':
- term_esc_param = term_esc_param * 10 + (ch - '0');
- goto the_end;
- case '~':
- switch(term_esc_param) {
- case 1:
- term_bol();
- break;
- case 3:
- term_delete_char();
- break;
- case 4:
- term_eol();
- break;
- }
- break;
- default:
- break;
- }
- term_esc_state = IS_NORM;
- the_end:
- break;
+ if (is_password) {
+ qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
}
- term_update();
-}
-
-static int term_can_read(void *opaque)
-{
- return 128;
-}
-
-static void term_read(void *opaque, const uint8_t *buf, int size)
-{
- int i;
- for(i = 0; i < size; i++)
- term_handle_byte(buf[i]);
-}
-
-void monitor_init(CharDriverState *hd, int show_banner)
-{
- monitor_hd = hd;
- if (show_banner) {
- term_printf("QEMU %s monitor - type 'help' for more information\n",
- QEMU_VERSION);
- term_show_prompt();
+ readline_start(prompt, is_password, monitor_readline_cb, NULL);
+ monitor_readline_buf = buf;
+ monitor_readline_buf_size = buf_size;
+ monitor_readline_started = 1;
+ while (monitor_readline_started) {
+ main_loop_wait(10);
}
- term_hist_entry = -1;
- qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
}
--- /dev/null
+/*
+ * QEMU readline utility
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "vl.h"
+
+#define TERM_CMD_BUF_SIZE 4095
+#define TERM_MAX_CMDS 64
+#define NB_COMPLETIONS_MAX 256
+
+#define IS_NORM 0
+#define IS_ESC 1
+#define IS_CSI 2
+
+#define printf do_not_use_printf
+
+static char term_cmd_buf[TERM_CMD_BUF_SIZE + 1];
+static int term_cmd_buf_index;
+static int term_cmd_buf_size;
+
+static char term_last_cmd_buf[TERM_CMD_BUF_SIZE + 1];
+static int term_last_cmd_buf_index;
+static int term_last_cmd_buf_size;
+
+static int term_esc_state;
+static int term_esc_param;
+
+static char *term_history[TERM_MAX_CMDS];
+static int term_hist_entry = -1;
+
+static int nb_completions;
+int completion_index;
+static char *completions[NB_COMPLETIONS_MAX];
+
+static ReadLineFunc *term_readline_func;
+static int term_is_password;
+static char term_prompt[256];
+static void *term_readline_opaque;
+
+static void term_show_prompt2(void)
+{
+ term_printf("%s", term_prompt);
+ term_flush();
+ term_last_cmd_buf_index = 0;
+ term_last_cmd_buf_size = 0;
+ term_esc_state = IS_NORM;
+}
+
+static void term_show_prompt(void)
+{
+ term_show_prompt2();
+ term_cmd_buf_index = 0;
+ term_cmd_buf_size = 0;
+}
+
+/* update the displayed command line */
+static void term_update(void)
+{
+ int i, delta, len;
+
+ if (term_cmd_buf_size != term_last_cmd_buf_size ||
+ memcmp(term_cmd_buf, term_last_cmd_buf, term_cmd_buf_size) != 0) {
+ for(i = 0; i < term_last_cmd_buf_index; i++) {
+ term_printf("\033[D");
+ }
+ term_cmd_buf[term_cmd_buf_size] = '\0';
+ if (term_is_password) {
+ len = strlen(term_cmd_buf);
+ for(i = 0; i < len; i++)
+ term_printf("*");
+ } else {
+ term_printf("%s", term_cmd_buf);
+ }
+ term_printf("\033[K");
+ memcpy(term_last_cmd_buf, term_cmd_buf, term_cmd_buf_size);
+ term_last_cmd_buf_size = term_cmd_buf_size;
+ term_last_cmd_buf_index = term_cmd_buf_size;
+ }
+ if (term_cmd_buf_index != term_last_cmd_buf_index) {
+ delta = term_cmd_buf_index - term_last_cmd_buf_index;
+ if (delta > 0) {
+ for(i = 0;i < delta; i++) {
+ term_printf("\033[C");
+ }
+ } else {
+ delta = -delta;
+ for(i = 0;i < delta; i++) {
+ term_printf("\033[D");
+ }
+ }
+ term_last_cmd_buf_index = term_cmd_buf_index;
+ }
+ term_flush();
+}
+
+static void term_insert_char(int ch)
+{
+ if (term_cmd_buf_index < TERM_CMD_BUF_SIZE) {
+ memmove(term_cmd_buf + term_cmd_buf_index + 1,
+ term_cmd_buf + term_cmd_buf_index,
+ term_cmd_buf_size - term_cmd_buf_index);
+ term_cmd_buf[term_cmd_buf_index] = ch;
+ term_cmd_buf_size++;
+ term_cmd_buf_index++;
+ }
+}
+
+static void term_backward_char(void)
+{
+ if (term_cmd_buf_index > 0) {
+ term_cmd_buf_index--;
+ }
+}
+
+static void term_forward_char(void)
+{
+ if (term_cmd_buf_index < term_cmd_buf_size) {
+ term_cmd_buf_index++;
+ }
+}
+
+static void term_delete_char(void)
+{
+ if (term_cmd_buf_index < term_cmd_buf_size) {
+ memmove(term_cmd_buf + term_cmd_buf_index,
+ term_cmd_buf + term_cmd_buf_index + 1,
+ term_cmd_buf_size - term_cmd_buf_index - 1);
+ term_cmd_buf_size--;
+ }
+}
+
+static void term_backspace(void)
+{
+ if (term_cmd_buf_index > 0) {
+ term_backward_char();
+ term_delete_char();
+ }
+}
+
+static void term_bol(void)
+{
+ term_cmd_buf_index = 0;
+}
+
+static void term_eol(void)
+{
+ term_cmd_buf_index = term_cmd_buf_size;
+}
+
+static void term_up_char(void)
+{
+ int idx;
+
+ if (term_hist_entry == 0)
+ return;
+ if (term_hist_entry == -1) {
+ /* Find latest entry */
+ for (idx = 0; idx < TERM_MAX_CMDS; idx++) {
+ if (term_history[idx] == NULL)
+ break;
+ }
+ term_hist_entry = idx;
+ }
+ term_hist_entry--;
+ if (term_hist_entry >= 0) {
+ pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
+ term_history[term_hist_entry]);
+ term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf);
+ }
+}
+
+static void term_down_char(void)
+{
+ if (term_hist_entry == TERM_MAX_CMDS - 1 || term_hist_entry == -1)
+ return;
+ if (term_history[++term_hist_entry] != NULL) {
+ pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
+ term_history[term_hist_entry]);
+ } else {
+ term_hist_entry = -1;
+ }
+ term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf);
+}
+
+static void term_hist_add(const char *cmdline)
+{
+ char *hist_entry, *new_entry;
+ int idx;
+
+ if (cmdline[0] == '\0')
+ return;
+ new_entry = NULL;
+ if (term_hist_entry != -1) {
+ /* We were editing an existing history entry: replace it */
+ hist_entry = term_history[term_hist_entry];
+ idx = term_hist_entry;
+ if (strcmp(hist_entry, cmdline) == 0) {
+ goto same_entry;
+ }
+ }
+ /* Search cmdline in history buffers */
+ for (idx = 0; idx < TERM_MAX_CMDS; idx++) {
+ hist_entry = term_history[idx];
+ if (hist_entry == NULL)
+ break;
+ if (strcmp(hist_entry, cmdline) == 0) {
+ same_entry:
+ new_entry = hist_entry;
+ /* Put this entry at the end of history */
+ memmove(&term_history[idx], &term_history[idx + 1],
+ &term_history[TERM_MAX_CMDS] - &term_history[idx + 1]);
+ term_history[TERM_MAX_CMDS - 1] = NULL;
+ for (; idx < TERM_MAX_CMDS; idx++) {
+ if (term_history[idx] == NULL)
+ break;
+ }
+ break;
+ }
+ }
+ if (idx == TERM_MAX_CMDS) {
+ /* Need to get one free slot */
+ free(term_history[0]);
+ memcpy(term_history, &term_history[1],
+ &term_history[TERM_MAX_CMDS] - &term_history[1]);
+ term_history[TERM_MAX_CMDS - 1] = NULL;
+ idx = TERM_MAX_CMDS - 1;
+ }
+ if (new_entry == NULL)
+ new_entry = strdup(cmdline);
+ term_history[idx] = new_entry;
+ term_hist_entry = -1;
+}
+
+/* completion support */
+
+void add_completion(const char *str)
+{
+ if (nb_completions < NB_COMPLETIONS_MAX) {
+ completions[nb_completions++] = qemu_strdup(str);
+ }
+}
+
+static void term_completion(void)
+{
+ int len, i, j, max_width, nb_cols;
+ char *cmdline;
+
+ nb_completions = 0;
+
+ cmdline = qemu_malloc(term_cmd_buf_index + 1);
+ if (!cmdline)
+ return;
+ memcpy(cmdline, term_cmd_buf, term_cmd_buf_index);
+ cmdline[term_cmd_buf_index] = '\0';
+ readline_find_completion(cmdline);
+ qemu_free(cmdline);
+
+ /* no completion found */
+ if (nb_completions <= 0)
+ return;
+ if (nb_completions == 1) {
+ len = strlen(completions[0]);
+ for(i = completion_index; i < len; i++) {
+ term_insert_char(completions[0][i]);
+ }
+ /* extra space for next argument. XXX: make it more generic */
+ if (len > 0 && completions[0][len - 1] != '/')
+ term_insert_char(' ');
+ } else {
+ term_printf("\n");
+ max_width = 0;
+ for(i = 0; i < nb_completions; i++) {
+ len = strlen(completions[i]);
+ if (len > max_width)
+ max_width = len;
+ }
+ max_width += 2;
+ if (max_width < 10)
+ max_width = 10;
+ else if (max_width > 80)
+ max_width = 80;
+ nb_cols = 80 / max_width;
+ j = 0;
+ for(i = 0; i < nb_completions; i++) {
+ term_printf("%-*s", max_width, completions[i]);
+ if (++j == nb_cols || i == (nb_completions - 1)) {
+ term_printf("\n");
+ j = 0;
+ }
+ }
+ term_show_prompt2();
+ }
+}
+
+/* return true if command handled */
+void readline_handle_byte(int ch)
+{
+ switch(term_esc_state) {
+ case IS_NORM:
+ switch(ch) {
+ case 1:
+ term_bol();
+ break;
+ case 4:
+ term_delete_char();
+ break;
+ case 5:
+ term_eol();
+ break;
+ case 9:
+ term_completion();
+ break;
+ case 10:
+ case 13:
+ term_cmd_buf[term_cmd_buf_size] = '\0';
+ if (!term_is_password)
+ term_hist_add(term_cmd_buf);
+ term_printf("\n");
+ /* NOTE: readline_start can be called here */
+ term_readline_func(term_readline_opaque, term_cmd_buf);
+ break;
+ case 27:
+ term_esc_state = IS_ESC;
+ break;
+ case 127:
+ case 8:
+ term_backspace();
+ break;
+ case 155:
+ term_esc_state = IS_CSI;
+ break;
+ default:
+ if (ch >= 32) {
+ term_insert_char(ch);
+ }
+ break;
+ }
+ break;
+ case IS_ESC:
+ if (ch == '[') {
+ term_esc_state = IS_CSI;
+ term_esc_param = 0;
+ } else {
+ term_esc_state = IS_NORM;
+ }
+ break;
+ case IS_CSI:
+ switch(ch) {
+ case 'A':
+ case 'F':
+ term_up_char();
+ break;
+ case 'B':
+ case 'E':
+ term_down_char();
+ break;
+ case 'D':
+ term_backward_char();
+ break;
+ case 'C':
+ term_forward_char();
+ break;
+ case '0' ... '9':
+ term_esc_param = term_esc_param * 10 + (ch - '0');
+ goto the_end;
+ case '~':
+ switch(term_esc_param) {
+ case 1:
+ term_bol();
+ break;
+ case 3:
+ term_delete_char();
+ break;
+ case 4:
+ term_eol();
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ term_esc_state = IS_NORM;
+ the_end:
+ break;
+ }
+ term_update();
+}
+
+void readline_start(const char *prompt, int is_password,
+ ReadLineFunc *readline_func, void *opaque)
+{
+ pstrcpy(term_prompt, sizeof(term_prompt), prompt);
+ term_readline_func = readline_func;
+ term_readline_opaque = opaque;
+ term_is_password = is_password;
+ term_show_prompt();
+}
+
+const char *readline_get_history(unsigned int index)
+{
+ if (index >= TERM_MAX_CMDS)
+ return NULL;
+ return term_history[index];
+}
+
+
projects / qemu / commitdiff