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684b7a999f
* Dump: Use mholt/archive/v3 to support tar including many compressions Signed-off-by: Philipp Homann <homann.philipp@googlemail.com> * Dump: Allow dump output to stdout Signed-off-by: Philipp Homann <homann.philipp@googlemail.com> * Dump: Fixed bug present since #6677 where SessionConfig.Provider is never "file" Signed-off-by: Philipp Homann <homann.philipp@googlemail.com> * Dump: never pack RepoRootPath, LFS.ContentPath and LogRootPath when they are below AppDataPath Signed-off-by: Philipp Homann <homann.philipp@googlemail.com> * Dump: also dump LFS (fixes #10058) Signed-off-by: Philipp Homann <homann.philipp@googlemail.com> * Dump: never dump CustomPath if CustomPath is a subdir of or equal to AppDataPath (fixes #10365) Signed-off-by: Philipp Homann <homann.philipp@googlemail.com> * Use log.Info instead of fmt.Fprintf Signed-off-by: Philipp Homann <homann.philipp@googlemail.com> * import ordering * make fmt Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Matti R <matti@mdranta.net>
75 lines
2.4 KiB
Go
75 lines
2.4 KiB
Go
// Copyright 2015, Joe Tsai. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE.md file.
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// Package compress is a collection of compression libraries.
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package compress
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import (
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"bufio"
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"io"
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"github.com/dsnet/compress/internal/errors"
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)
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// The Error interface identifies all compression related errors.
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type Error interface {
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error
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CompressError()
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// IsDeprecated reports the use of a deprecated and unsupported feature.
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IsDeprecated() bool
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// IsCorrupted reports whether the input stream was corrupted.
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IsCorrupted() bool
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}
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var _ Error = errors.Error{}
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// ByteReader is an interface accepted by all decompression Readers.
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// It guarantees that the decompressor never reads more data than is necessary
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// from the underlying io.Reader.
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type ByteReader interface {
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io.Reader
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io.ByteReader
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}
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var _ ByteReader = (*bufio.Reader)(nil)
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// BufferedReader is an interface accepted by all decompression Readers.
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// It guarantees that the decompressor never reads more data than is necessary
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// from the underlying io.Reader. Since BufferedReader allows a decompressor
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// to peek at bytes further along in the stream without advancing the read
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// pointer, decompression can experience a significant performance gain when
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// provided a reader that satisfies this interface. Thus, a decompressor will
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// prefer this interface over ByteReader for performance reasons.
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//
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// The bufio.Reader satisfies this interface.
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type BufferedReader interface {
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io.Reader
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// Buffered returns the number of bytes currently buffered.
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//
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// This value becomes invalid following the next Read/Discard operation.
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Buffered() int
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// Peek returns the next n bytes without advancing the reader.
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//
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// If Peek returns fewer than n bytes, it also returns an error explaining
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// why the peek is short. Peek must support peeking of at least 8 bytes.
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// If 0 <= n <= Buffered(), Peek is guaranteed to succeed without reading
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// from the underlying io.Reader.
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//
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// This result becomes invalid following the next Read/Discard operation.
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Peek(n int) ([]byte, error)
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// Discard skips the next n bytes, returning the number of bytes discarded.
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//
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// If Discard skips fewer than n bytes, it also returns an error.
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// If 0 <= n <= Buffered(), Discard is guaranteed to succeed without reading
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// from the underlying io.Reader.
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Discard(n int) (int, error)
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}
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var _ BufferedReader = (*bufio.Reader)(nil)
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