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58 lines
1.2 KiB
Rust
58 lines
1.2 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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#[derive(Debug, thiserror::Error)]
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#[error("bad argument")]
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pub struct ModeError;
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macro_rules! repr_i32 {
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($(#[$meta:meta])* $vis:vis enum $name:ident {
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$($(#[$vmeta:meta])* $vname:ident $(= $val:expr)?,)*
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}) => {
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$(#[$meta])*
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$vis enum $name {
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$($(#[$vmeta])* $vname $(= $val)?,)*
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}
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impl core::convert::TryFrom<i32> for $name {
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type Error = ModeError;
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fn try_from(v: i32) -> Result<Self, Self::Error> {
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match v {
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$(x if x == $name::$vname as i32 => Ok($name::$vname),)*
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_ => Err(ModeError),
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}
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}
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}
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}
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}
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repr_i32! {
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#[repr(i32)]
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#[derive(Clone, Copy, Debug, PartialEq, Default)]
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pub enum Mode {
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#[default]
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None,
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Deflate,
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Inflate,
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Gzip,
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Gunzip,
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DeflateRaw,
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InflateRaw,
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Unzip,
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}
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}
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repr_i32! {
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#[repr(i32)]
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#[derive(Clone, Copy, Debug, PartialEq, Default)]
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pub enum Flush {
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#[default]
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None = zlib::Z_NO_FLUSH,
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Partial = zlib::Z_PARTIAL_FLUSH,
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Sync = zlib::Z_SYNC_FLUSH,
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Full = zlib::Z_FULL_FLUSH,
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Finish = zlib::Z_FINISH,
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Block = zlib::Z_BLOCK,
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Trees = zlib::Z_TREES,
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}
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}
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