wio 0.1.0

Windows IO wrapper
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// Copyright © 2015, Peter Atashian
// Licensed under the MIT License <LICENSE.md>
use std::ffi::{OsStr, OsString};
use std::os::windows::ffi::{OsStrExt, OsStringExt};
use std::path::{PathBuf};

pub trait ToWide {
    fn to_wide(&self) -> Vec<u16>;
    fn to_wide_null(&self) -> Vec<u16>;
}
impl<T> ToWide for T where T: AsRef<OsStr> {
    fn to_wide(&self) -> Vec<u16> {
        self.as_ref().encode_wide().collect()
    }
    fn to_wide_null(&self) -> Vec<u16> {
        self.as_ref().encode_wide().chain(Some(0)).collect()
    }
}
pub trait FromWide where Self: Sized {
    fn from_wide(wide: &[u16]) -> Self;
    fn from_wide_null(wide: &[u16]) -> Self {
        let len = wide.iter().take_while(|&&c| c != 0).count();
        Self::from_wide(&wide[..len])
    }
}
impl FromWide for OsString {
    fn from_wide(wide: &[u16]) -> OsString {
        OsStringExt::from_wide(wide)
    }
}
impl FromWide for PathBuf {
    fn from_wide(wide: &[u16]) -> PathBuf {
        <OsString as OsStringExt>::from_wide(wide).into()
    }
}