async_compression::futures::bufread

Struct LzmaDecoder

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pub struct LzmaDecoder<R> { /* private fields */ }
Available on crate features futures-io and lzma only.
Expand description

A lzma decoder, or decompressor

This structure implements an AsyncRead interface and will read compressed data from an underlying stream and emit a stream of uncompressed data.

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impl<R: AsyncBufRead> LzmaDecoder<R>

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pub fn new(read: R) -> LzmaDecoder<R>

Creates a new decoder which will read compressed data from the given stream and emit a uncompressed stream.

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pub fn with_mem_limit(read: R, memlimit: u64) -> Self

Creates a new decoder with the specified limit of memory.

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An IO error may be returned during decoding if the specified limit is too small.

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impl<R> LzmaDecoder<R>

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pub fn multiple_members(&mut self, enabled: bool)

Configure multi-member/frame decoding, if enabled this will reset the decoder state when reaching the end of a compressed member/frame and expect either EOF or another compressed member/frame to follow it in the stream.

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pub fn get_ref(&self) -> &R

Acquires a reference to the underlying reader that this decoder is wrapping.

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pub fn get_mut(&mut self) -> &mut R

Acquires a mutable reference to the underlying reader that this decoder is wrapping.

Note that care must be taken to avoid tampering with the state of the reader which may otherwise confuse this decoder.

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pub fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut R>

Acquires a pinned mutable reference to the underlying reader that this decoder is wrapping.

Note that care must be taken to avoid tampering with the state of the reader which may otherwise confuse this decoder.

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pub fn into_inner(self) -> R

Consumes this decoder returning the underlying reader.

Note that this may discard internal state of this decoder, so care should be taken to avoid losing resources when this is called.

Trait Implementations§

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impl<R: AsyncBufRead> AsyncRead for LzmaDecoder<R>

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fn poll_read( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut [u8], ) -> Poll<Result<usize>>

Attempt to read from the AsyncRead into buf. Read more
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fn poll_read_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &mut [IoSliceMut<'_>], ) -> Poll<Result<usize, Error>>

Attempt to read from the AsyncRead into bufs using vectored IO operations. Read more
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impl<R: AsyncWrite> AsyncWrite for LzmaDecoder<R>

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fn poll_write( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8], ) -> Poll<Result<usize>>

Attempt to write bytes from buf into the object. Read more
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fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Attempt to flush the object, ensuring that any buffered data reach their destination. Read more
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fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Attempt to close the object. Read more
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fn poll_write_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &[IoSlice<'_>], ) -> Poll<Result<usize>>

Attempt to write bytes from bufs into the object using vectored IO operations. Read more
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impl<R: Debug> Debug for LzmaDecoder<R>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'__pin, R> Unpin for LzmaDecoder<R>
where __Origin<'__pin, R>: Unpin,

Auto Trait Implementations§

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impl<R> Freeze for LzmaDecoder<R>
where R: Freeze,

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impl<R> RefUnwindSafe for LzmaDecoder<R>
where R: RefUnwindSafe,

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impl<R> Send for LzmaDecoder<R>
where R: Send,

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impl<R> Sync for LzmaDecoder<R>
where R: Sync,

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impl<R> UnwindSafe for LzmaDecoder<R>
where R: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.