added support for create/remove files and directories.

This commit is contained in:
bigsketti 2024-11-25 18:55:08 -05:00
parent 43ed358e3a
commit f4553629bd
4 changed files with 93 additions and 10 deletions

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cshell Executable file

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47
handleJSON.c Normal file
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@ -0,0 +1,47 @@
// This file exists because I hate myself too much to use cJSON
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
enum TokenType {
INTEGER,
CHAR,
TRUE,
FALSE,
IDENTIFIER,
VALUE,
COLON,
R_CURLY_BRACE,
L_CURLY_BRACE,
R_BRACKET,
L_BRACKET,
DOUBLE_QUOTES,
COMMA,
END_OF_FILE,
};
struct Token {
enum TokenType type;
char value[100];
};
void advancePosition(int *pos, char *currentChar, char *input[]) {
if(pos < sizeof(input)) {
currentChar = input[*pos];
printf("Advancing to %s at position %s", currentChar, *pos);
} else {
currentChar = "\0";
printf("End of Input");
}
}
void skipWhiteSpace(int *pos, char currentChar) {
if (currentChar != "\0" && is_space(currentChar) == true) {
pos++;
}
}
void tokenizeJSON() {
}

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main

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main.c
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@ -3,10 +3,10 @@
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
#include <sys/stat.h>
#define INPUT_SIZE 1024
const double VERSION = 0.1;
#define VERSION 0.1f
void execute(char **args) {
pid_t pid = fork();
@ -67,31 +67,67 @@ int main() {
input[strcspn(input, "\n")] = '\0';
parse_input(input, args);
// built in command checks
// TODO: add commands to handle creating and deleting users
// also modify permissions for admin users and regular users
// This will have to come after i finish the JSON parser
// TODO: add mkdir, rmdir, mkfile, and rmfile commands built in
if (strcmp("exit", input) == 0) {
exit(0);
} else if (strcmp("help", input) == 0) {
printf("Welcome to cShell, my simple terminal written in C\nBuilt-in commands:\n\texit\n\thelp\n\tcd\n\tversion\n");
printf("Welcome to cShell, my simple terminal written in C\nBuilt-in commands:\n\texit\n\thelp\n\tcd [dir name]\n\tversion\n\tmkdir [dir name]\n\trmdir [dir name]\n\tmkfile [file name]\n\trmfile [file name]\n\n");
continue;
} else if (strcmp("version", input) == 0) {
printf("cShell version: %f\n", VERSION);
continue;
}
parse_input(input, args);
// handle 'cd' command
if (strcmp("cd", args[0]) == 0) {
} else if (strcmp("cd", args[0]) == 0) {
if (args[1] == NULL) {
fprintf(stderr, "Missing argument for command \"cd\"\n");
} else {
if (chdir(args[1]) != 0) {
perror("chdir failed");
perror("chdir failed\n");
} else {
free(cwd);
cwd = getCWD();
}
char *cwd = getCWD();
}
continue;
} else if (strcmp("mkfile", args[0]) == 0) {
FILE *file = fopen(args[1], "w");
if (file == NULL) {
perror("Error making file");
} else { printf("success\n"); }
continue;
} else if (strcmp("mkdir", args[0]) == 0) {
if (mkdir(args[1], 0777) != 0) {
perror("Error making directory");
} else { printf("success\n"); }
continue;
} else if (strcmp("rmfile", args[0]) == 0) {
if (remove(args[1]) != 0) {
perror("Error removing file");
} else { printf("success\n"); }
continue;
} else if (strcmp("rmdir", args[0]) == 0) {
if (rmdir(args[1]) != 0) {
perror("Error removing directory");
} else { printf("success\n"); }
continue;
}
// execute the external command
execute(args);
}