editor.c

#include "editor.h"
#include "uart.h"
#include "strings.h"

void edit_file(File *file){
    char c;
    int index = 0;
    uart_puts("\r\nEntering edit mode. Press Ctrl + Q to save and exit.\r\n");
    
    if (file -> content[0] != '\0'){
        uart_puts(file->content);
        index = my_strlen(file->content);
    }
    while(1){
        c = uart_getc();
        
        if(c == 17){ //Ctrl + Q
            file->content[index] = '\0';
            uart_puts("\r\nFile saved and exited edit mode.\r\n");
            break;
        }else if (c == '\b' || c == 127){
            if(index > 0){
                index--;
                uart_puts("\b \b");
            }
        }else if (c == '\r'){
            if(index < MAX_FILE_SIZE -1){
                file-> content[index++]='\n';
                uart_putc('\r');
                uart_putc('\n');
            }
        }else{
            if(index < MAX_FILE_SIZE -1){
                file->content[index++] = c;
                uart_putc(c);
            }
        }
    }
}