void msh_loop(t_config *conf)
{
int status;
char *cmd;
t_list **lcmd;
t_list *tmp;
status = 1;
while (1)
{
ft_putstr("$>");
cmd = msh_read_cmd();
if (!(lcmd = ft_memalloc(sizeof(t_list*))))
exit(msh_error(NULL, NULL, MSH_ERR_MEM));
lcmd = msh_parse(cmd, conf, lcmd);
tmp = *lcmd;
while (tmp)
{
status = msh_exec(tmp->content, conf);
tmp = tmp->next;
}
ft_lstdel(lcmd, &msh_lstarray_free);
free(lcmd);
}
}
void process_entry(t_sh_token *token, t_envp *envp)
{
t_int32 ret;
t_mysh_er er;
t_struct_linker job_list;
init_linker(&job_list);
while (token)
{
er = 0;
if (token->up && token->flag & P_SEPARATOR_L)
{
if ((ret = check_if_builtin(token->up->str)) >= 0)
{
if (test_job(&job_list, token->flag))
er |= msh_builtin(&job_list, ret, token, envp);
}
else if ((ret = get_exec_path(envp, token)))
er |= ret;
else
if (token->flag & P_SCOL_F || test_job(&job_list, token->flag))
er |= msh_exec(&job_list, token, envp);
}
msh_error(er, token->up);
token = token->next;
}
free_jobs((t_job *)job_list.first);
}
int system(const char *command)
{
int ret = -RT_ENOMEM;
char *cmd = rt_strdup(command);
if (cmd)
{
ret = msh_exec(cmd, rt_strlen(cmd));
rt_free(cmd);
}
return ret;
}
void finsh_thread_entry(void* parameter)
{
char ch;
/* normal is echo mode */
shell->echo_mode = 1;
finsh_init(&shell->parser);
rt_kprintf(FINSH_PROMPT);
/* set console device as shell device */
shell->device = rt_console_get_device();
if (shell->device != RT_NULL)
{
rt_device_open(shell->device, RT_DEVICE_OFLAG_RDWR);
rt_device_set_rx_indicate(shell->device, finsh_rx_ind);
}
while (1)
{
/* wait receive */
if (rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER) != RT_EOK) continue;
/* read one character from device */
while (rt_device_read(shell->device, 0, &ch, 1) == 1)
{
/*
* handle control key
* up key : 0x1b 0x5b 0x41
* down key: 0x1b 0x5b 0x42
* right key:0x1b 0x5b 0x43
* left key: 0x1b 0x5b 0x44
*/
if (ch == 0x1b)
{
shell->stat = WAIT_SPEC_KEY;
continue;
}
else if (shell->stat == WAIT_SPEC_KEY)
{
if (ch == 0x5b)
{
shell->stat = WAIT_FUNC_KEY;
continue;
}
shell->stat = WAIT_NORMAL;
}
else if (shell->stat == WAIT_FUNC_KEY)
{
shell->stat = WAIT_NORMAL;
if (ch == 0x41) /* up key */
{
#ifdef FINSH_USING_HISTORY
/* prev history */
if (shell->current_history > 0)
shell->current_history --;
else
{
shell->current_history = 0;
continue;
}
/* copy the history command */
memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
FINSH_CMD_SIZE);
shell->line_curpos = shell->line_position = strlen(shell->line);
finsh_handle_history(shell);
#endif
continue;
}
else if (ch == 0x42) /* down key */
{
#ifdef FINSH_USING_HISTORY
/* next history */
if (shell->current_history < shell->history_count - 1)
shell->current_history ++;
else
{
/* set to the end of history */
if (shell->history_count != 0)
shell->current_history = shell->history_count - 1;
else
continue;
}
memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
FINSH_CMD_SIZE);
shell->line_curpos = shell->line_position = strlen(shell->line);
finsh_handle_history(shell);
#endif
continue;
}
else if (ch == 0x44) /* left key */
{
if (shell->line_curpos)
{
rt_kprintf("\b");
shell->line_curpos --;
}
continue;
}
else if (ch == 0x43) /* right key */
{
if (shell->line_curpos < shell->line_position)
{
rt_kprintf("%c", shell->line[shell->line_curpos]);
shell->line_curpos ++;
}
continue;
}
}
/* handle CR key */
if (ch == '\r')
{
char next;
if (rt_device_read(shell->device, 0, &next, 1) == 1)
ch = next;
else ch = '\r';
}
/* handle tab key */
else if (ch == '\t')
{
int i;
/* move the cursor to the beginning of line */
for (i = 0; i < shell->line_curpos; i++)
rt_kprintf("\b");
/* auto complete */
finsh_auto_complete(&shell->line[0]);
/* re-calculate position */
shell->line_curpos = shell->line_position = strlen(shell->line);
continue;
}
/* handle backspace key */
else if (ch == 0x7f || ch == 0x08)
{
/* note that shell->line_curpos >= 0 */
if (shell->line_curpos == 0)
continue;
shell->line_position--;
shell->line_curpos--;
if (shell->line_position > shell->line_curpos)
{
int i;
rt_memmove(&shell->line[shell->line_curpos],
&shell->line[shell->line_curpos + 1],
shell->line_position - shell->line_curpos);
shell->line[shell->line_position] = 0;
rt_kprintf("\b%s \b", &shell->line[shell->line_curpos]);
/* move the cursor to the origin position */
for (i = shell->line_curpos; i <= shell->line_position; i++)
rt_kprintf("\b");
}
else
{
rt_kprintf("\b \b");
shell->line[shell->line_position] = 0;
}
continue;
}
/* handle end of line, break */
if (ch == '\r' || ch == '\n')
{
#ifdef FINSH_USING_MSH
if (msh_is_used() == RT_TRUE && shell->line_position != 0)
{
rt_kprintf("\n");
msh_exec(shell->line, shell->line_position);
#ifdef FINSH_USING_HISTORY
finsh_push_history(shell);
#endif
}
else
#endif
{
/* add ';' and run the command line */
shell->line[shell->line_position] = ';';
#ifdef FINSH_USING_HISTORY
finsh_push_history(shell);
#endif
if (shell->line_position != 0) finsh_run_line(&shell->parser, shell->line);
else rt_kprintf("\n");
}
rt_kprintf(FINSH_PROMPT);
memset(shell->line, 0, sizeof(shell->line));
shell->line_curpos = shell->line_position = 0;
break;
}
/* it's a large line, discard it */
if (shell->line_position >= FINSH_CMD_SIZE)
shell->line_position = 0;
/* normal character */
if (shell->line_curpos < shell->line_position)
{
int i;
rt_memmove(&shell->line[shell->line_curpos + 1],
&shell->line[shell->line_curpos],
shell->line_position - shell->line_curpos);
shell->line[shell->line_curpos] = ch;
if (shell->echo_mode)
rt_kprintf("%s", &shell->line[shell->line_curpos]);
/* move the cursor to new position */
for (i = shell->line_curpos; i < shell->line_position; i++)
rt_kprintf("\b");
}
else
{
shell->line[shell->line_position] = ch;
rt_kprintf("%c", ch);
}
ch = 0;
shell->line_position ++;
shell->line_curpos++;
} /* end of device read */
}
}
int msh_exec_script(const char *cmd_line, int size)
{
int ret;
int fd = -1;
char *pg_name;
int length, cmd_length = 0;
if (size == 0) return -RT_ERROR;
/* get the length of command0 */
while ((cmd_line[cmd_length] != ' ' && cmd_line[cmd_length] != '\t') && cmd_length < size)
cmd_length ++;
/* get name length */
length = cmd_length + 32;
/* allocate program name memory */
pg_name = (char *) rt_malloc(length);
if (pg_name == RT_NULL) return -RT_ENOMEM;
/* copy command0 */
memcpy(pg_name, cmd_line, cmd_length);
pg_name[cmd_length] = '\0';
if (strstr(pg_name, ".sh") != RT_NULL || strstr(pg_name, ".SH") != RT_NULL)
{
/* try to open program */
fd = open(pg_name, O_RDONLY, 0);
/* search in /bin path */
if (fd < 0)
{
rt_snprintf(pg_name, length - 1, "/bin/%.*s", cmd_length, cmd_line);
fd = open(pg_name, O_RDONLY, 0);
}
}
rt_free(pg_name);
if (fd >= 0)
{
/* found script */
char *line_buf;
int length;
line_buf = (char *) rt_malloc(RT_CONSOLEBUF_SIZE);
/* read line by line and then exec it */
do
{
length = msh_readline(fd, line_buf, RT_CONSOLEBUF_SIZE);
if (length > 0)
{
char ch = '\0';
int index;
for (index = 0; index < length; index ++)
{
ch = line_buf[index];
if (ch == ' ' || ch == '\t') continue;
else break;
}
if (ch != '#') /* not a comment */
msh_exec(line_buf, length);
}
}
while (length > 0);
close(fd);
rt_free(line_buf);
ret = 0;
}
else
{
ret = -1;
}
return ret;
}
void finsh_thread_entry(void *parameter)
{
char ch;
/* normal is echo mode */
shell->echo_mode = 1;
#ifndef FINSH_USING_MSH_ONLY
finsh_init(&shell->parser);
#endif
#ifndef RT_USING_POSIX
/* set console device as shell device */
if (shell->device == RT_NULL)
{
rt_device_t console = rt_console_get_device();
if (console)
{
finsh_set_device(console->parent.name);
}
}
#endif
#ifdef FINSH_USING_AUTH
/* set the default password when the password isn't setting */
if (rt_strlen(finsh_get_password()) == 0)
{
if (finsh_set_password(FINSH_DEFAULT_PASSWORD) != RT_EOK)
{
rt_kprintf("Finsh password set failed.\n");
}
}
/* waiting authenticate success */
finsh_wait_auth();
#endif
rt_kprintf(FINSH_PROMPT);
while (1)
{
ch = finsh_getchar();
/*
* handle control key
* up key : 0x1b 0x5b 0x41
* down key: 0x1b 0x5b 0x42
* right key:0x1b 0x5b 0x43
* left key: 0x1b 0x5b 0x44
*/
if (ch == 0x1b)
{
shell->stat = WAIT_SPEC_KEY;
continue;
}
else if (shell->stat == WAIT_SPEC_KEY)
{
if (ch == 0x5b)
{
shell->stat = WAIT_FUNC_KEY;
continue;
}
shell->stat = WAIT_NORMAL;
}
else if (shell->stat == WAIT_FUNC_KEY)
{
shell->stat = WAIT_NORMAL;
if (ch == 0x41) /* up key */
{
#ifdef FINSH_USING_HISTORY
/* prev history */
if (shell->current_history > 0)
shell->current_history --;
else
{
shell->current_history = 0;
continue;
}
/* copy the history command */
memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
FINSH_CMD_SIZE);
shell->line_curpos = shell->line_position = strlen(shell->line);
shell_handle_history(shell);
#endif
continue;
}
else if (ch == 0x42) /* down key */
{
#ifdef FINSH_USING_HISTORY
/* next history */
if (shell->current_history < shell->history_count - 1)
shell->current_history ++;
else
{
/* set to the end of history */
if (shell->history_count != 0)
shell->current_history = shell->history_count - 1;
else
continue;
}
memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
FINSH_CMD_SIZE);
shell->line_curpos = shell->line_position = strlen(shell->line);
shell_handle_history(shell);
#endif
continue;
}
else if (ch == 0x44) /* left key */
{
if (shell->line_curpos)
{
rt_kprintf("\b");
shell->line_curpos --;
}
continue;
}
else if (ch == 0x43) /* right key */
{
if (shell->line_curpos < shell->line_position)
{
rt_kprintf("%c", shell->line[shell->line_curpos]);
shell->line_curpos ++;
}
continue;
}
}
/* handle CR key */
if (ch == '\0') continue;
/* handle tab key */
else if (ch == '\t')
{
int i;
/* move the cursor to the beginning of line */
for (i = 0; i < shell->line_curpos; i++)
rt_kprintf("\b");
/* auto complete */
shell_auto_complete(&shell->line[0]);
/* re-calculate position */
shell->line_curpos = shell->line_position = strlen(shell->line);
continue;
}
/* handle backspace key */
else if (ch == 0x7f || ch == 0x08)
{
/* note that shell->line_curpos >= 0 */
if (shell->line_curpos == 0)
continue;
shell->line_position--;
shell->line_curpos--;
if (shell->line_position > shell->line_curpos)
{
int i;
rt_memmove(&shell->line[shell->line_curpos],
&shell->line[shell->line_curpos + 1],
shell->line_position - shell->line_curpos);
shell->line[shell->line_position] = 0;
rt_kprintf("\b%s \b", &shell->line[shell->line_curpos]);
/* move the cursor to the origin position */
for (i = shell->line_curpos; i <= shell->line_position; i++)
rt_kprintf("\b");
}
else
{
rt_kprintf("\b \b");
shell->line[shell->line_position] = 0;
}
continue;
}
/* handle end of line, break */
if (ch == '\r' || ch == '\n')
{
#ifdef FINSH_USING_HISTORY
shell_push_history(shell);
#endif
#ifdef FINSH_USING_MSH
if (msh_is_used() == RT_TRUE)
{
if (shell->echo_mode)
rt_kprintf("\n");
msh_exec(shell->line, shell->line_position);
}
else
#endif
{
#ifndef FINSH_USING_MSH_ONLY
/* add ';' and run the command line */
shell->line[shell->line_position] = ';';
if (shell->line_position != 0) finsh_run_line(&shell->parser, shell->line);
else
if (shell->echo_mode) rt_kprintf("\n");
#endif
}
rt_kprintf(FINSH_PROMPT);
memset(shell->line, 0, sizeof(shell->line));
shell->line_curpos = shell->line_position = 0;
continue;
}
/* it's a large line, discard it */
if (shell->line_position >= FINSH_CMD_SIZE)
shell->line_position = 0;
/* normal character */
if (shell->line_curpos < shell->line_position)
{
int i;
rt_memmove(&shell->line[shell->line_curpos + 1],
&shell->line[shell->line_curpos],
shell->line_position - shell->line_curpos);
shell->line[shell->line_curpos] = ch;
if (shell->echo_mode)
rt_kprintf("%s", &shell->line[shell->line_curpos]);
/* move the cursor to new position */
for (i = shell->line_curpos; i < shell->line_position; i++)
rt_kprintf("\b");
}
else
{
shell->line[shell->line_position] = ch;
if (shell->echo_mode)
rt_kprintf("%c", ch);
}
ch = 0;
shell->line_position ++;
shell->line_curpos++;
if (shell->line_position >= FINSH_CMD_SIZE)
{
/* clear command line */
shell->line_position = 0;
shell->line_curpos = 0;
}
} /* end of device read */
}
