main.c

// Copyright 2021-2022 Povarna Andreea & Nicolae Radu 314CAa
#include <stdio.h>
#include <string.h>
#include "tree.h"
#include <stdlib.h>
#define LINE_MAX_LEN 1000
#define TOKEN_MAX_LEN 300

char *my_strdup(const char *s) {
    char *p = malloc(strlen(s) + 1);
    if ( p) { strcpy(p, s); }
    return p;
}

char *my_strdup(const char *s);
#define strdup(x) my_strdup(x)

#define LS "ls"
#define PWD "pwd"
#define TREE "tree"
#define CD "cd"
#define MKDIR "mkdir"
#define RMDIR "rmdir"
#define TOUCH "touch"
#define RM "rm"
#define RMREC "rmrec"
#define MV "mv"
#define CP "cp"


void execute_command(char *cmd, char *arg1, char *arg2)
{
	printf("$ %s %s %s\n", cmd, arg1, arg2);
}

TreeNode *process_command(TreeNode *currentFolder,
						  char cmd[3][TOKEN_MAX_LEN], int token_count)
{
	execute_command(cmd[0], cmd[1], cmd[2]);
	if (!strcmp(cmd[0], LS))
	{
		ls(currentFolder, cmd[1]);
	}
	else if (!strcmp(cmd[0], PWD))
	{
		pwd(currentFolder);
	}
	else if (!strcmp(cmd[0], TREE))
	{
		int k, j;
		k = 0;
		j = 0;
		tree(currentFolder, cmd[1], 0, &k, &j);
		printf("%d directories, %d files", k, j);
	}
	else if (!strcmp(cmd[0], CD))
	{
		currentFolder = cd(currentFolder, cmd[1]);
	}
	else if (!strcmp(cmd[0], MKDIR))
	{
		mkdir(currentFolder, strdup(cmd[1]));
	}
	else if (!strcmp(cmd[0], RMDIR))
	{
		rmdir(currentFolder, cmd[1]);
	}
	else if (!strcmp(cmd[0], RM))
	{
		rm(currentFolder, cmd[1]);
	}
	else if (!strcmp(cmd[0], RMREC))
	{
		rmrec(currentFolder, cmd[1]);
	}
	else if (!strcmp(cmd[0], TOUCH))
	{
		touch(currentFolder, strdup(cmd[1]), strdup(cmd[2]));
	}
	else if (!strcmp(cmd[0], MV))
	{
		mv(currentFolder, cmd[1], cmd[2]);
	}
	else if (!strcmp(cmd[0], CP))
	{
		cp(currentFolder, cmd[1], cmd[2]);
	}
	else
	{
		printf("UNRECOGNIZED COMMAND!\n");
	}
	printf("\n");
	return currentFolder;
}

int main()
{
	char line[LINE_MAX_LEN];
	char cmd[3][TOKEN_MAX_LEN];
	char *token;

	FileTree *fileTree = createFileTree(strdup("root"));
	TreeNode *currentFolder = fileTree->root;

	while (fgets(line, sizeof(line), stdin) != NULL)
	{
		line[strlen(line) - 1] = 0;

		cmd[0][0] = cmd[1][0] = cmd[2][0] = 0;

		int token_idx = 0;
		token = strtok(line, " ");
		while (token)
		{
			strcpy(cmd[token_idx], token);
			++token_idx;

			token = strtok(NULL, " ");
		}
		currentFolder = process_command(currentFolder, cmd, token_idx);
	}

	freeTree(*fileTree);
	free(fileTree);

	return 0;
}