167 lines
3.6 KiB
C
167 lines
3.6 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-06-05 WillianChan first version
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*/
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#include <var_export.h>
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static int ve_cmd_help(int argc, char **argv);
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static int ve_find_module(int argc, char **argv);
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static int ve_find_value(int argc, char **argv);
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struct ve_cmd_des
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{
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const char *cmd;
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int (*fun)(int argc, char **argv);
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};
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/* dcm cmd table */
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static const struct ve_cmd_des cmd_tab[] =
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{
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{"module", ve_find_module},
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{"value", ve_find_value},
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};
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static int ve_cmd_help(int argc, char **argv)
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{
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rt_kprintf("Usage:\n");
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rt_kprintf("ve_find module <module> - Find by module name\n");
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rt_kprintf("ve_find value <module> <identifier> - Find accurately\n");
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return RT_EOK;
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}
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rt_inline void ve_object_split(int len)
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{
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while (len--) rt_kprintf("-");
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}
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static int ve_find_module(int argc, char **argv)
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{
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ve_iterator_t iter;
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const ve_exporter_t *exporter;
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ve_module_t module;
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int maxlen = (RT_NAME_MAX * 2);
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const char *item_title = "ve_module";
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rt_kprintf("%-*.s identifier value\n", maxlen, item_title); ve_object_split(maxlen);
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rt_kprintf(" ---------------- -----\n");
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if (!ve_module_init(&module, argv[2]))
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{
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ve_iter_init(&module, &iter);
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}
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else
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{
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return -RT_ERROR;
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}
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while (1)
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{
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exporter = ve_iter_next(&iter);
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if (exporter == RT_NULL)
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{
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return -RT_ERROR;
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}
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else
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{
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rt_kprintf("%-*.s %-*.s %d\n",
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maxlen, exporter->module,
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maxlen, exporter->identifier,
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exporter->value);
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}
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}
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}
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static int ve_find_value(int argc, char **argv)
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{
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ve_iterator_t iter;
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const ve_exporter_t *exporter;
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ve_module_t module;
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int maxlen = (RT_NAME_MAX * 2);
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const char *item_title = "ve_module";
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rt_kprintf("%-*.s identifier value\n", maxlen, item_title); ve_object_split(maxlen);
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rt_kprintf(" ---------------- -----\n");
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if (!ve_module_init(&module, argv[2]))
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{
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ve_iter_init(&module, &iter);
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}
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else
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{
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return -RT_ERROR;
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}
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while (1)
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{
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exporter = ve_iter_next(&iter);
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if (exporter == RT_NULL)
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{
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return -RT_ERROR;
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}
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else
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{
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if (!rt_strcmp(exporter->identifier, argv[3]))
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{
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rt_kprintf("%-*.s %-*.s %d\n",
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maxlen, exporter->module,
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maxlen, exporter->identifier,
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exporter->value);
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return RT_EOK;
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}
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}
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}
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}
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static int ve_find(int argc, char **argv)
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{
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int i, resule = RT_EOK;
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const struct ve_cmd_des *run_cmd = RT_NULL;
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if (argc == 1)
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{
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ve_cmd_help(argc, argv);
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return RT_EOK;
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}
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/* find command function */
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for (i = 0; i < sizeof(cmd_tab) / sizeof(cmd_tab[0]); i++)
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{
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if (rt_strcmp(cmd_tab[i].cmd, argv[1]) == 0)
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{
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run_cmd = &cmd_tab[i];
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break;
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}
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}
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/* not find command function, print help information */
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if (run_cmd == RT_NULL)
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{
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rt_kprintf("There is no command option named %s.\n", argv[1]);
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ve_cmd_help(argc, argv);
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return RT_EOK;
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}
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/* run command function */
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if (run_cmd->fun != RT_NULL)
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{
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resule = run_cmd->fun(argc, argv);
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}
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if (resule)
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{
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ve_cmd_help(argc, argv);
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}
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return RT_EOK;
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}
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MSH_CMD_EXPORT(ve_find, find the specified export variable);
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