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Add SUPPORTED_METHODS constant

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This commit is contained in:
Jack Fletcher 2022-01-24 20:05:54 +00:00
parent 772ab59471
commit 31c5fe8169
2 changed files with 19 additions and 41 deletions
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58
src/compression.rs
View file

@ -121,27 +121,6 @@ impl CompressionMethod {
CompressionMethod::Unsupported(v) => v, CompressionMethod::Unsupported(v) => v,
} }
} }
pub fn supported_methods() -> &'static [CompressionMethod] {
static METHODS: [CompressionMethod; 4] = [
CompressionMethod::Stored,
//
#[cfg(any(
feature = "deflate",
feature = "deflate-miniz",
feature = "deflate-zlib"
))]
CompressionMethod::Deflated,
//
#[cfg(feature = "bzip2")]
CompressionMethod::Bzip2,
//
#[cfg(feature = "zstd")]
CompressionMethod::Zstd,
];
&METHODS
}
} }
impl fmt::Display for CompressionMethod { impl fmt::Display for CompressionMethod {
@ -151,9 +130,24 @@ impl fmt::Display for CompressionMethod {
} }
} }
/// The compression methods which have been implemented.
pub const SUPPORTED_METHODS: &[CompressionMethod] = &[
CompressionMethod::Stored,
#[cfg(any(
feature = "deflate",
feature = "deflate-miniz",
feature = "deflate-zlib"
))]
CompressionMethod::Deflated,
#[cfg(feature = "bzip2")]
CompressionMethod::Bzip2,
#[cfg(feature = "zstd")]
CompressionMethod::Zstd,
];
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use super::CompressionMethod; use super::{CompressionMethod, SUPPORTED_METHODS};
#[test] #[test]
fn from_eq_to() { fn from_eq_to() {
@ -166,22 +160,6 @@ mod test {
} }
} }
fn methods() -> Vec<CompressionMethod> {
vec![
CompressionMethod::Stored,
#[cfg(any(
feature = "deflate",
feature = "deflate-miniz",
feature = "deflate-zlib"
))]
CompressionMethod::Deflated,
#[cfg(feature = "bzip2")]
CompressionMethod::Bzip2,
#[cfg(feature = "zstd")]
CompressionMethod::Zstd,
]
}
#[test] #[test]
fn to_eq_from() { fn to_eq_from() {
fn check_match(method: CompressionMethod) { fn check_match(method: CompressionMethod) {
@ -194,7 +172,7 @@ mod test {
assert_eq!(to, back); assert_eq!(to, back);
} }
for method in methods() { for &method in SUPPORTED_METHODS {
check_match(method); check_match(method);
} }
} }
@ -207,7 +185,7 @@ mod test {
assert_eq!(debug_str, display_str); assert_eq!(debug_str, display_str);
} }
for method in methods() { for &method in SUPPORTED_METHODS {
check_match(method); check_match(method);
} }
} }

2
src/lib.rs
View file

@ -5,7 +5,7 @@
#![warn(missing_docs)] #![warn(missing_docs)]
pub use crate::compression::CompressionMethod; pub use crate::compression::{CompressionMethod, SUPPORTED_METHODS};
pub use crate::read::ZipArchive; pub use crate::read::ZipArchive;
pub use crate::types::DateTime; pub use crate::types::DateTime;
pub use crate::write::ZipWriter; pub use crate::write::ZipWriter;