/
args.rs
55 lines (47 loc) · 1.12 KB
/
args.rs
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use crate::ffi::CStr;
use crate::io;
use crate::ffi::OsString;
use crate::marker::PhantomData;
use crate::os::wasi::ffi::OsStringExt;
use crate::vec;
pub unsafe fn init(_argc: isize, _argv: *const *const u8) {
}
pub unsafe fn cleanup() {
}
pub struct Args {
iter: vec::IntoIter<OsString>,
_dont_send_or_sync_me: PhantomData<*mut ()>,
}
/// Returns the command line arguments
pub fn args() -> Args {
let mut buf = Vec::new();
let _ = wasi::get_args(|arg| buf.push(OsString::from_vec(arg.to_vec())));
Args {
iter: buf.into_iter(),
_dont_send_or_sync_me: PhantomData
}
}
impl Args {
pub fn inner_debug(&self) -> &[OsString] {
self.iter.as_slice()
}
}
impl Iterator for Args {
type Item = OsString;
fn next(&mut self) -> Option<OsString> {
self.iter.next()
}
fn size_hint(&self) -> (usize, Option<usize>) {
self.iter.size_hint()
}
}
impl ExactSizeIterator for Args {
fn len(&self) -> usize {
self.iter.len()
}
}
impl DoubleEndedIterator for Args {
fn next_back(&mut self) -> Option<OsString> {
self.iter.next_back()
}
}