From d28249c290b6282b308c215474311cc90f32585d Mon Sep 17 00:00:00 2001 From: Dominik Csapak Date: Tue, 6 Apr 2021 11:03:41 +0200 Subject: [PATCH] tools: add compression module only contains a basic enum for the different compresssion methods Signed-off-by: Dominik Csapak --- src/tools/compression.rs | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/tools/compression.rs diff --git a/src/tools/compression.rs b/src/tools/compression.rs new file mode 100644 index 00000000..19626efc --- /dev/null +++ b/src/tools/compression.rs @@ -0,0 +1,39 @@ +use anyhow::{bail, Error}; +use hyper::header; + +/// Possible Compression Methods, order determines preference (later is preferred) +#[derive(Eq, Ord, PartialEq, PartialOrd, Debug)] +pub enum CompressionMethod { + Deflate, +// Gzip, +// Brotli, +} + +impl CompressionMethod { + pub fn content_encoding(&self) -> header::HeaderValue { + header::HeaderValue::from_static(self.extension()) + } + + pub fn extension(&self) -> &'static str { + match *self { +// CompressionMethod::Brotli => "br", +// CompressionMethod::Gzip => "gzip", + CompressionMethod::Deflate => "deflate", + } + } +} + +impl std::str::FromStr for CompressionMethod { + type Err = Error; + + fn from_str(s: &str) -> Result { + match s { +// "br" => Ok(CompressionMethod::Brotli), +// "gzip" => Ok(CompressionMethod::Gzip), + "deflate" => Ok(CompressionMethod::Deflate), + // http accept-encoding allows to give weights with ';q=' + other if other.starts_with("deflate;q=") => Ok(CompressionMethod::Deflate), + _ => bail!("unknown compression format"), + } + } +}