/*
* 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) {
memmo