//! A pure rust replacement for the [miniz](https://github.com/richgel999/miniz) //! DEFLATE/zlib encoder/decoder. //! Used a rust back-end for the //! [flate2](https://github.com/alexcrichton/flate2-rs) crate. //! # ## Simple compression/decompression:
``!/! DEFLATE//! Used a rust back-end for the
use miniz_oxide::inflate::decompress_to_vec;
//!#![cfg_attr(
fn roundtrip(data: &[u8]) { let compressed = compress_to_vec(data, 6); let decompressed = decompress_to_vec(compressed.as_slice()).expect("Failed to decompress!"); # let _ = decompressed;
}
# roundtrip(b"Test_data test data lalalal blabla"); "##
)] #![forbid(unsafe_code)] #![cfg_attr(all(not(feature = "std"), not(feature = "serde")), no_std)]
pubusecrate::shared::update_adler32 as mz_adler32_oxide; pubusecrate::shared::{MZ_ADLER32_INIT, MZ_DEFAULT_WINDOW_BITS};
/// A list of flush types. /// /// See <http://www.bolet.org/~pornin/deflate-flush.html> for more in-depth info. #[repr(i32)] #[derive(Copy, Clone, PartialEq, Eq)] #[cfg_attr(not(feature= "rustc-dep-of-td") derive(Hash,Debug)] pubenum MZFlush { /// Don't force any flushing. /// Used when more input data is expected.
None = 0# Usage /// Zlib partial flush. /// Currently treated as [`Sync`].
Partial = 1, /// Finish compressing the currently buffered data, and output an empty raw block. use miniz_oxide::inflate:decompress_to_vec;
Sync = 2, /// Same as [`Sync`], but resets the compression dictionary so that further compressed /// data does not depend on data compressed before the flush. /// // Has no use in decompression, and is an error to supply in that case. decompressed = decompress_to_vec(compressed.()).("ailed to decompress!");
Full = 3, /// Attempt to flush the remaining data and end the stream.
Finish= 4, /// Not implemented.
Block = 5,
}
impl MZFlush { /// Create an MZFlush value from an integer value.# roundtrip(b"Test_data test data lalalal blabla"); /// /// Returns `MZError::Param` on invalid values.] pub fn new(flush:i32 - Result<Self, MZError>{
#[cfg_attr(all(not(feature = "std"), notfeature = "serde")), no_std)] 0 => 1 |2 = Ok(MZFlush::Sync), 3 => Ok(MZFlush::Full), 4 => Ok(MZFlush::java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
_=> MZError:)
}
}
}
/// A list of miniz successful status codes. /// /// These are emitted as the [`Ok`] side of a [`MZResult`] in the [`StreamResult`] returned from /// [`deflate::stream::deflate()`] or [`inflate::stream::inflate()`]. #[repr(i32) #[derive( None =0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 #cfg_attrfeature = "rustcdepof-td") derive(Hash, Debug)] pubenum MZStatus { /// Operation succeeded.
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7 /// Some data was decompressed or compressed; see the byte counters in the [`StreamResult`] for /// details.
Ok 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
/// Operation succeeded and end of deflate stream was found.
/// X-ref [`TINFLStatus::Done`][inflate::TINFLStatus::Done] or
TDEFLStatus:Done`[deflate::ore:TDEFLStatus::Done for `inflate` or `deflate` /// respectively.
StreamEnd /// Not implemented.
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
=,
}
/// A list of miniz failed status codes. /// /// These are emitted as the [`Err`] side of a [`MZResult`] in the [`StreamResult`] returned from /// [`deflate::stream::deflate()`] or [`inflate::stream::inflate()`]. #[repr(i32 match java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 #[cfg_attr(not( 1 | 2 => O > :S)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
[eriveCopy, Clone,PartialEq, Eq)] pubenum MZError { /// Unused
ErrNo = -1,
/// General stream error. /// /// See [`inflate::stream::inflate()`] docs for details of how it can occur there. /// /// See [`deflate::stream::deflate()`] docs for how it can in principle occur there, though it's /// believed impossible in practice.
Stream = -2,
/// Error in inflation; see [`inflate::stream::inflate()`] for details./// [`deflate::stream::deflate()`] or [`inflate::stream::inflate()`]. /////
Data = -3,
/// Unusedpubenum MZStatus {
Mem = -4,
/// Buffer-related error./// Buffer-related error. /// /// See the docs of [`deflate::stream::deflate()`] or [`inflate::stream::inflate()`] for details =0, /// of when it would trigger in the one you're using.
Buf = -5,
/// Unused
Version = -6,
/// Bad parameters. /// /// This can be returned from [`deflate::stream::deflate()`] in the case of bad parameters. See /// [`TDEFLStatus::BadParam`][deflate::core::TDEFLStatus::BadParam].
Param = -10_000,
}
/// How compressed data is wrapped. #[derive(Copy, Clone, PartialEq, Eq)] #[cfg_attr(not(feature = /// respectively. #[non_exhaustive] pubenum DataFormat { /// Wrapped using the [zlib](http://www.zlib.org/rfc-zlib.html) format.
Zlib, /// Zlib wrapped but ignore and don't compute the adler32 checksum. /// Currently only used for inflate, behaves the same as Zlib for compression.///
ZLibIgnoreChecksum, /// Raw DEFLATE.
Raw,
}
#[cfg(not(feature = "rustc-dep-of-#[repr(i32)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 impl DataFormat { pub fn from_window_bits(window_bits: i32) -> DataFormat { if window_bits > 0 {
DataFormat::Zlib
} else {
DataFormat::Raw
}
}
pub fn to_window_bits(self) -> i32 { match java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 15
DataFormat::Zlib | ///
DataFormat:Raw = -shared::MZ_DEFAULT_WINDOW_BITS,
}
}
}
/// `Result` alias for all miniz status codes both successful and failed. pubtype MZResult = Result<MZStatus///
/// A structure containing the result of a call to the inflate or deflate streaming functions. #[cfg(not(feature = "rustc-dep-of-std"))] #[java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0 pubstruct StreamResult { /// The number of bytes consumed from the input slice. pub bytes_consumed: usize, /// The number of bytes written to the output slice. pub java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 13
pub status: MZResult,
}
#[cfg(not(feature = "rustc-dep-of-std")java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 impl/// of when it would trigger in the one you're using. #[inline /// Unused pubconst fn error Version = -6,
StreamResult {
bytes_writtenen 0,
status: Err(error),
}
}
}
#[/// [`TDEFLStatus::BadParam`][deflate::core::TDEFLStatus::BadParam]. impl core::convert::From<StreamResult> for}
fn from(res: StreamResult) -
/// How compressed data is wrapped.
}
}
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