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https://github.com/clap-rs/clap
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parent
f8692a0b3a
commit
518b89bd3d
1 changed files with 10 additions and 7 deletions
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@ -2,9 +2,12 @@ use std::ffi::OsStr;
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#[cfg(not(target_os = "windows"))]
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use std::os::unix::ffi::OsStrExt;
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#[cfg(target_os = "windows")]
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use INVALID_UTF8;
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#[cfg(target_os = "windows")]
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trait OsStrExt3 {
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fn from_bytes(b: &[u8]) -> Self;
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fn from_bytes(b: &[u8]) -> &Self;
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fn as_bytes(&self) -> &[u8];
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}
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@ -22,12 +25,12 @@ pub trait OsStrExt2 {
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#[cfg(target_os = "windows")]
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impl OsStrExt3 for OsStr {
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fn from_bytes(b: &[u8]) -> Self {
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fn from_bytes(b: &[u8]) -> &Self {
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use ::std::mem;
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unsafe { mem::transmute(b) }
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}
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fn as_bytes(&self) -> &[u8] {
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self.as_inner().inner
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self.to_str().map(|s| s.as_bytes()).expect(INVALID_UTF8)
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}
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}
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@ -54,20 +57,20 @@ impl OsStrExt2 for OsStr {
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fn split_at_byte(&self, byte: u8) -> (&OsStr, &OsStr) {
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for (i, b) in self.as_bytes().iter().enumerate() {
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if b == &byte { return (OsStr::from_bytes(&self.as_bytes()[..i]), OsStr::from_bytes(&self.as_bytes()[i+1..])); }
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if b == &byte { return (&OsStr::from_bytes(&self.as_bytes()[..i]), &OsStr::from_bytes(&self.as_bytes()[i+1..])); }
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}
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(&*self, OsStr::from_bytes(&self.as_bytes()[self.len()..self.len()]))
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(&*self, &OsStr::from_bytes(&self.as_bytes()[self.len()..self.len()]))
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}
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fn trim_left_matches(&self, byte: u8) -> &OsStr {
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for (i, b) in self.as_bytes().iter().enumerate() {
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if b != &byte { return OsStr::from_bytes(&self.as_bytes()[i..]); }
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if b != &byte { return &OsStr::from_bytes(&self.as_bytes()[i..]); }
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}
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&*self
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}
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fn split_at(&self, i: usize) -> (&OsStr, &OsStr) {
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(OsStr::from_bytes(&self.as_bytes()[..i]), OsStr::from_bytes(&self.as_bytes()[i..]))
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(&OsStr::from_bytes(&self.as_bytes()[..i]), &OsStr::from_bytes(&self.as_bytes()[i..]))
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}
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fn len(&self) -> usize {
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