72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
#include "vxBoot/cli.h"
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#include "vxBoot/builtin.h"
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#include "vxBoot/terminal.h"
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#include <string.h>
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//TODO: better API for the command-line parser
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/* internal builtin list */
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struct {
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const char *name;
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int (*f)(int argc, char **argv);
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} cmd_list[] = {
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{.name = "ls", &ls_main},
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{.name = "ld", &ld_main},
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{.name = "hw", &hw_main},
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{.name = "help", &help_main},
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{.name = "log", &log_main},
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{.name = NULL, NULL}
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};
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/* try to find the appropriate command */
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static int (*check_cmd(char *cmd))(int, char**)
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{
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for (int i = 0; cmd_list[i].name != NULL; ++i) {
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if (strcmp(cmd, cmd_list[i].name) != 0)
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continue;
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if (cmd_list[i].f == NULL)
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terminal_write("command exist but not implemented\n");
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return (cmd_list[i].f);
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}
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return (NULL);
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}
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void cli_main(void)
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{
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int (*builtin)(int, char**);
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const char *usrline;
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char buff[128];
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char **argv;
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int argc;
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int ret;
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/* CLI loop */
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ret = 0;
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while (1) {
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/* get user command */
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usrline = (ret != 0) ? "/[%d]>" : "/>";
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terminal_write(usrline, ret);
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ret = 0;
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if (terminal_read(buff, 128) <= 1)
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continue;
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/* parse and try to find the command */
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if (cli_parser_strtotab(&argc, &argv, buff) != 0) {
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terminal_write("error when processing \"%s\"", buff);
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ret = 255;
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continue;
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}
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builtin = check_cmd(argv[0]);
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if (builtin == NULL) {
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terminal_write("command \"%s\" not found\n", argv[0]);
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ret = 127;
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continue;
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}
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/* execute the command and free'd allocated memories */
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ret = builtin(argc, argv);
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cli_parser_strtotab_quit(&argc, &argv);
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}
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}
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