b5543b6752
This adds support for the If-Unmodified-Since header, and is a trivially edited version of IfModifiedSince.
46 lines
1.3 KiB
Rust
46 lines
1.3 KiB
Rust
use std::fmt;
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use std::str::FromStr;
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use time::Tm;
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use header::{Header, HeaderFormat};
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use header::parsing::from_one_raw_str;
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use header::parsing::tm_from_str;
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/// The `If-Unmodified-Since` header field.
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#[derive(Copy, PartialEq, Clone, Debug)]
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pub struct IfUnmodifiedSince(pub Tm);
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deref!(IfUnmodifiedSince => Tm);
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impl Header for IfUnmodifiedSince {
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fn header_name() -> &'static str {
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"If-Unmodified-Since"
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}
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fn parse_header(raw: &[Vec<u8>]) -> Option<IfUnmodifiedSince> {
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from_one_raw_str(raw)
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}
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}
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impl HeaderFormat for IfUnmodifiedSince {
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fn fmt_header(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
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let tm = self.0;
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let tm = match tm.tm_utcoff {
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0 => tm,
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_ => tm.to_utc(),
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};
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fmt::Display::fmt(&tm.rfc822(), fmt)
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}
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}
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impl FromStr for IfUnmodifiedSince {
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type Err = ();
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fn from_str(s: &str) -> Result<IfUnmodifiedSince, ()> {
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tm_from_str(s).map(IfUnmodifiedSince).ok_or(())
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}
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}
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bench_header!(imf_fixdate, IfUnmodifiedSince, { vec![b"Sun, 07 Nov 1994 08:48:37 GMT".to_vec()] });
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bench_header!(rfc_850, IfUnmodifiedSince, { vec![b"Sunday, 06-Nov-94 08:49:37 GMT".to_vec()] });
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bench_header!(asctime, IfUnmodifiedSince, { vec![b"Sun Nov 6 08:49:37 1994".to_vec()] });
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