40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
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use anyhow::{bail, Error};
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use hyper::header;
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/// Possible Compression Methods, order determines preference (later is preferred)
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#[derive(Eq, Ord, PartialEq, PartialOrd, Debug)]
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pub enum CompressionMethod {
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Deflate,
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// Gzip,
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// Brotli,
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}
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impl CompressionMethod {
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pub fn content_encoding(&self) -> header::HeaderValue {
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header::HeaderValue::from_static(self.extension())
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}
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pub fn extension(&self) -> &'static str {
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match *self {
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// CompressionMethod::Brotli => "br",
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// CompressionMethod::Gzip => "gzip",
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CompressionMethod::Deflate => "deflate",
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}
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}
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}
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impl std::str::FromStr for CompressionMethod {
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type Err = Error;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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match s {
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// "br" => Ok(CompressionMethod::Brotli),
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// "gzip" => Ok(CompressionMethod::Gzip),
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"deflate" => Ok(CompressionMethod::Deflate),
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// http accept-encoding allows to give weights with ';q='
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other if other.starts_with("deflate;q=") => Ok(CompressionMethod::Deflate),
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_ => bail!("unknown compression format"),
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}
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}
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}
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