91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
#include <stdio.h>
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#include "../include/syscall.h"
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#include "../include/string.h"
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#include "../include/cpos.h"
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extern void print_info();
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static int gets(char *buf) {
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int index = 0;
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char c;
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while ((c = getc()) != '\n') {
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if (c == '\b') {
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if (index > 0) {
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index--;
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printf("\b \b");
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}
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} else {
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buf[index++] = c;
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printf("%c",c);
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}
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}
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buf[index] = '\0';
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printf("%c",c);
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return index;
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}
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static inline int cmd_parse(char *cmd_str, char **argv, char token) {
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int arg_idx = 0;
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while (arg_idx < 50) {
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argv[arg_idx] = NULL;
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arg_idx++;
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}
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char *next = cmd_str;
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int argc = 0;
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while (*next) {
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while (*next == token) *next++;
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if (*next == 0) break;
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argv[argc] = next;
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while (*next && *next != token) *next++;
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if (*next) *next++ = 0;
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if (argc > 50) return -1;
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argc++;
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}
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return argc;
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}
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int main(int argc_v,char **argv_v){
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printf("CoolPotOS UserShell v0.0.1\n");
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char com[100];
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char *argv[50];
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int argc = -1;
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char *buffer[255];
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while (1){
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syscall_get_cd(buffer);
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printf("\033[40m;default@localhost: \03330m;%s\\\03321m;$ ",buffer);
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if (gets(com) <= 0) continue;
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char* com_copy[100];
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strcpy(com_copy,com);
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argc = cmd_parse(com, argv, ' ');
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if (argc == -1) {
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printf("[Shell]: Error: out of arguments buffer\n");
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continue;
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}
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if (!strcmp("version", argv[0])){
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print_info();
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}else if (!strcmp("system", argv[0])){
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exit(0);
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}else if (!strcmp("help", argv[0]) || !strcmp("?", argv[0]) || !strcmp("h", argv[0])) {
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printf("-=[CoolPotShell Helper]=-\n");
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printf("help ? h Print shell help info.\n");
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printf("version Print os version.\n");
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printf("system Launch system shell.\n");
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} else {
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int pid = exec_elf(argv[0],com_copy,false);
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if(pid == NULL){
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printf("\033ff3030;[Shell]: Unknown command '%s'.\033c6c6c6;\n", argv[0]);
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}
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}
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}
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} |