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#[macro_use]
extern crate num_derive;
#[macro_use]
extern crate lazy_static;
pub mod unif;
pub mod ines;
pub mod fds;
mod crc32;
use std::io;
use std::error;
use std::fmt;
use std::convert::From;
static INES_GUARD: [u8; 4] = [0x4e, 0x45, 0x53, 0x1a];
static UNIF_GUARD: [u8; 4] = [0x55, 0x4e, 0x49, 0x46];
static FDS_GUARD: [u8; 4] = [0x46, 0x44, 0x53, 0x1a];
#[derive(Debug, Copy, Clone, PartialEq)]
pub enum RomError {
InvalidFormat,
InvalidRom,
InvalidConversion,
IOError,
}
impl error::Error for RomError {
fn description(&self) -> &str {
match *self {
RomError::InvalidFormat => "invalid rom file format",
RomError::InvalidRom => "rom file contained invalid or corrupted data",
RomError::InvalidConversion => "unable to process conversion",
RomError::IOError => "rom file io error",
}
}
}
impl fmt::Display for RomError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f,"{}", self)
}
}
impl From<io::Error> for RomError {
fn from(_err: io::Error) -> Self {
RomError::IOError
}
}