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use std;
use std::io::Result as IoResult;

use bite::Endianness;


pub trait BiteWriteExt: std::io::Write {
    #[inline]
    fn write_u8(&mut self, value: u8) -> IoResult<()> {
        self.write_all(&[value])
    }

    #[inline]
    fn write_i8(&mut self, value: i8) -> IoResult<()> {
        self.write_all(&[value as u8])
    }

    #[inline]
    fn write_u16<T: Endianness>(&mut self, value: u16) -> IoResult<()> {
        let mut data = [0; 2];
        T::write_u16(&mut data, value);

        self.write_all(&data)
    }

    #[inline]
    fn write_i16<T: Endianness>(&mut self, value: i16) -> IoResult<()> {
        let mut data = [0; 2];
        T::write_i16(&mut data, value);

        self.write_all(&data)
    }

    #[inline]
    fn write_u32<T: Endianness>(&mut self, value: u32) -> IoResult<()> {
        let mut data = [0; 4];
        T::write_u32(&mut data, value);

        self.write_all(&data)
    }

    #[inline]
    fn write_i32<T: Endianness>(&mut self, value: i32) -> IoResult<()> {
        let mut data = [0; 4];
        T::write_i32(&mut data, value);

        self.write_all(&data)
    }

    #[inline]
    fn write_u64<T: Endianness>(&mut self, value: u64) -> IoResult<()> {
        let mut data = [0; 8];
        T::write_u64(&mut data, value);

        self.write_all(&data)
    }

    #[inline]
    fn write_i64<T: Endianness>(&mut self, value: i64) -> IoResult<()> {
        let mut data = [0; 8];
        T::write_i64(&mut data, value);

        self.write_all(&data)
    }

    #[inline]
    fn write_u128<T: Endianness>(&mut self, value: u128) -> IoResult<()> {
        let mut data = [0; 16];
        T::write_u128(&mut data, value);

        self.write_all(&data)
    }

    #[inline]
    fn write_i128<T: Endianness>(&mut self, value: i128) -> IoResult<()> {
        let mut data = [0; 16];
        T::write_i128(&mut data, value);

        self.write_all(&data)
    }

    #[inline]
    fn write_uint<T: Endianness>(&mut self, value: u64, bytes: usize) -> IoResult<()> {
        let mut data = [0; 8];
        T::write_uint(&mut data, value, bytes);

        self.write_all(&data[0..bytes])
    }

    #[inline]
    fn write_int<T: Endianness>(&mut self, value: i64, bytes: usize) -> IoResult<()> {
        let mut data = [0; 8];
        T::write_int(&mut data, value, bytes);

        self.write_all(&data[0..bytes])
    }

    #[inline]
    fn write_uint128<T: Endianness>(&mut self, value: u128, bytes: usize) -> IoResult<()> {
        let mut data = [0; 16];
        T::write_uint128(&mut data, value, bytes);

        self.write_all(&data[0..bytes])
    }

    #[inline]
    fn write_int128<T: Endianness>(&mut self, value: i128, bytes: usize) -> IoResult<()> {
        let mut data = [0; 16];
        T::write_int128(&mut data, value, bytes);

        self.write_all(&data[0..bytes])
    }

    #[inline]
    fn write_f32<T: Endianness>(&mut self, value: f32) -> IoResult<()> {
        let mut data = [0; 4];
        T::write_f32(&mut data, value);

        self.write_all(&data)
    }

    #[inline]
    fn write_f64<T: Endianness>(&mut self, value: f64) -> IoResult<()> {
        let mut data = [0; 8];
        T::write_f64(&mut data, value);

        self.write_all(&data)
    }
}

impl<T> BiteWriteExt for T where T: std::io::Write + ?Sized { }