Files
TencentOS-tiny/components/shell/tos_shell_commands.c
daishengdong 72481955e2 a very simple shell framework
simple, clear, easy to DIY
2020-01-08 13:54:56 +08:00

102 lines
3.0 KiB
C

/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_shell.h"
#include "tos_shell_command.h"
__STATIC__ TOS_SLIST_DEFINE(cmd_set_list);
__STATIC__ int cmd_help(int argc, char *argv[])
{
shell_cmd_set_t *cmd_set;
const shell_cmd_t *cmd;
TOS_SLIST_FOR_EACH_ENTRY(cmd_set, shell_cmd_set_t, list, &cmd_set_list) {
for (cmd = cmd_set->commands; cmd->name; ++cmd) {
tos_shell_printf("%-8s: %s\n", cmd->name, cmd->help);
}
}
return 0;
}
__STATIC__ int cmd_ps(int argc, char *argv[])
{
tos_task_info_display();
return 0;
}
__STATIC__ const shell_cmd_t builtin_shell_cmds[] = {
{ "help", cmd_help, "show help" },
{ "ps", cmd_ps, "show tasks" },
{ K_NULL, K_NULL, K_NULL },
};
__STATIC__ shell_cmd_set_t buildin_shell_cmd_set = {
.list = TOS_SLIST_NODE(dummy),
.commands = builtin_shell_cmds,
};
__KERNEL__ int shell_cmd_set_regiser(const shell_cmd_set_t *cmd_set)
{
if (tos_slist_contains((k_slist_t *)&cmd_set->list, &cmd_set_list)) {
return -1;
}
tos_slist_add_head((k_slist_t *)&cmd_set->list, &cmd_set_list);
return 0;
}
__KERNEL__ int shell_cmd_set_unregiser(const shell_cmd_set_t *cmd_set)
{
if (!tos_slist_contains((k_slist_t *)&cmd_set->list, &cmd_set_list)) {
return -1;
}
tos_slist_del((k_slist_t *)&cmd_set->list, &cmd_set_list);
return 0;
}
__KERNEL__ const shell_cmd_t *shell_cmd_find(const char *name)
{
const shell_cmd_t *cmd;
const shell_cmd_set_t *cmd_set;
TOS_SLIST_FOR_EACH_ENTRY(cmd_set, const shell_cmd_set_t, list, &cmd_set_list) {
for (cmd = cmd_set->commands; cmd->name; ++cmd) {
if (!strcmp(cmd->name, name)) {
return cmd;
}
}
}
return K_NULL;
}
__KERNEL__ void shell_cmd_init(shell_cmd_set_t *custom_cmd_set)
{
tos_slist_init(&cmd_set_list);
tos_slist_add_head(&buildin_shell_cmd_set.list, &cmd_set_list);
if (custom_cmd_set) {
tos_slist_add_head(&custom_cmd_set->list, &cmd_set_list);
}
}