extern crate byteorder;
use byteorder::{BigEndian, ReadBytesExt};
use std::io::Cursor;
use std::result::Result;
use std::vec::Vec;
use failure::Error;
use crate::error::ProtocolError;
use crate::{Deserialize, Serialize};
impl Serialize for bool {
fn serialize(&self) -> Result<Vec<u8>, Error> {
Ok({
let i = *self as i8;
Vec::from(i.to_be_bytes())
})
}
}
impl Deserialize for bool {
fn parse(b: &[u8]) -> Result<(usize, Self), Error> {
if b[0] == 0 {
return Ok((1, false));
} else if b[0] == 1 {
return Ok((1, true));
} else {
bail!(ProtocolError::BoolOutOfRange);
};
}
}
impl Serialize for u64 {
fn serialize(&self) -> Result<Vec<u8>, Error> {
Ok(Vec::from(self.to_be_bytes()))
}
}
impl Deserialize for u64 {
fn parse(b: &[u8]) -> Result<(usize, Self), Error> {
let mut rdr = Cursor::new(&b[0..8]);
return Ok((8, rdr.read_u64::<BigEndian>()?));
}
}
impl Serialize for u32 {
fn serialize(&self) -> Result<Vec<u8>, Error> {
Ok(Vec::from(self.to_be_bytes()))
}
}
impl Deserialize for u32 {
fn parse(b: &[u8]) -> Result<(usize, Self), Error> {
let mut rdr = Cursor::new(&b[0..4]);
return Ok((4, rdr.read_u32::<BigEndian>()?));
}
}
impl Serialize for u16 {
fn serialize(&self) -> Result<Vec<u8>, Error> {
Ok(Vec::from(self.to_be_bytes()))
}
}
impl Deserialize for u16 {
fn parse(b: &[u8]) -> Result<(usize, Self), Error> {
let mut rdr = Cursor::new(&b[0..2]);
return Ok((2, rdr.read_u16::<BigEndian>()?));
}
}
impl Serialize for u8 {
fn serialize(&self) -> Result<Vec<u8>, Error> {
Ok(Vec::from(self.to_be_bytes()))
}
}
impl Deserialize for u8 {
fn parse(b: &[u8]) -> Result<(usize, Self), Error> {
return Ok((1, b[0]));
}
}