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libglob -- patch closure where const borrow would have helped

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This commit is contained in:
Niko Matsakis 2014-02-07 06:38:53 -05:00
parent 96139bf1d6
commit 6f571a63a6
1 changed files with 8 additions and 5 deletions
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13
src/libglob/lib.rs
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@ -28,6 +28,7 @@
#[crate_type = "dylib"];
#[license = "MIT/ASL2"];
use std::cell::Cell;
use std::{os, path};
use std::io::fs;
use std::path::is_sep;
@ -342,22 +343,24 @@ impl Pattern {
}
fn matches_from(&self,
mut prev_char: Option<char>,
prev_char: Option<char>,
mut file: &str,
i: uint,
options: MatchOptions) -> MatchResult {
let prev_char = Cell::new(prev_char);
let require_literal = |c| {
(options.require_literal_separator && is_sep(c)) ||
(options.require_literal_leading_dot && c == '.'
&& is_sep(prev_char.unwrap_or('/')))
&& is_sep(prev_char.get().unwrap_or('/')))
};
for (ti, token) in self.tokens.slice_from(i).iter().enumerate() {
match *token {
AnySequence => {
loop {
match self.matches_from(prev_char, file, i + ti + 1, options) {
match self.matches_from(prev_char.get(), file, i + ti + 1, options) {
SubPatternDoesntMatch => (), // keep trying
m => return m,
}
@ -370,7 +373,7 @@ impl Pattern {
if require_literal(c) {
return SubPatternDoesntMatch;
}
prev_char = Some(c);
prev_char.set(Some(c));
file = next;
}
}
@ -400,7 +403,7 @@ impl Pattern {
if !matches {
return SubPatternDoesntMatch;
}
prev_char = Some(c);
prev_char.set(Some(c));
file = next;
}
}