Files
todd/main.c
2023-12-21 19:42:50 +01:00

131 lines
2.9 KiB
C

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "engine/todo.h"
#define MAX_TODOS 10
#define SAVE_FILE "todos.todd"
#define STB_DS_IMPLEMENTATION
#include "3rd-party/stb-ds.h"
TodoItem *todos = NULL;
enum Command {
ADD = 'a',
MARK = 'm',
PRINT = 'p',
REMOVE = 'r',
QUIT = 'q',
WRITE_TO_FILE = 'w',
LOAD_FROM_FILE = 'l',
};
void add_command_handler() {
char title[TODO_MAX_TITLE_LENGTH];
printf("Enter todo title: ");
fgets(title, TODO_MAX_TITLE_LENGTH - 1, stdin);
// remove the newline character from the buffer
title[strlen(title) - 1] = '\0';
TodoItem item = todo_create_item(title);
arrput(todos, item);
}
void mark_command_handler() {
int op_index = -1;
do {
printf("Enter todo index: ");
op_index = getc(stdin) - '0';
getc(stdin); // remove the newline character from the buffer
} while (op_index < 0 || op_index >= arrlen(todos));
TodoItem item = todos[op_index];
todo_mark_item(&item, !item.completed);
todos[op_index] = item;
}
void print_command_handler() {
for (int i = 0; i < arrlen(todos); i++) {
printf("%d. ", i);
todo_print_item(&todos[i]);
}
}
void remove_command_handler() {
int op_index = -1;
do {
printf("Enter todo index: ");
op_index = getc(stdin) - '0';
getc(stdin); // remove the newline character from the buffer
} while (op_index < 0 || op_index >= arrlen(todos));
arrdel(todos, op_index);
}
void write_to_file_handler() {
FILE *file = fopen(SAVE_FILE, "wb");
int bs = 0;
int todos_count = arrlen(todos);
// write a magic value "TODD" to the file
fwrite("TODD", sizeof(char), 4, file);
// write the number of todos to the file
fwrite(&todos_count, sizeof(int), 1, file);
// write each todo to the file
for (int i = 0; i < todos_count; i++) {
char *buffer = todo_item_serialize(&todos[i], &bs);
fwrite(buffer, sizeof(char), bs, file);
free(buffer);
}
fclose(file);
}
int main(int argc, char **argv) {
char cmd;
do {
printf("Enter command: ");
cmd = getc(stdin);
getc(stdin); // remove the newline character from the buffer
switch (cmd) {
case ADD:
/* if (list_length(&todos) + 1 > MAX_TODOS) { */
/* printf("No more space for new todos\n"); */
/* break; */
/* } */
add_command_handler();
break;
case MARK:
mark_command_handler();
break;
case PRINT:
print_command_handler();
break;
case REMOVE:
remove_command_handler();
break;
case WRITE_TO_FILE:
write_to_file_handler();
break;
case QUIT:
break;
default:
printf("Invalid command\n");
break;
}
} while (cmd != QUIT);
arrfree(todos);
/* for (int i = 0; i < list_length(&todos); i++) { */
/* todo_free_item(list_get(&todos, i)); */
/* } */
/* list_free(&todos); */
/* free(todos); */
}