mirror of
https://github.com/go-gitea/gitea
synced 2024-11-14 14:01:34 +01:00
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>
77 lines
1.9 KiB
Go
77 lines
1.9 KiB
Go
package brotli
|
|
|
|
/* Copyright 2016 Google Inc. All Rights Reserved.
|
|
|
|
Distributed under MIT license.
|
|
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
|
|
*/
|
|
|
|
/* Specification: 7.3. Encoding of the context map */
|
|
const contextMapMaxRle = 16
|
|
|
|
/* Specification: 2. Compressed representation overview */
|
|
const maxNumberOfBlockTypes = 256
|
|
|
|
/* Specification: 3.3. Alphabet sizes: insert-and-copy length */
|
|
const numLiteralSymbols = 256
|
|
|
|
const numCommandSymbols = 704
|
|
|
|
const numBlockLenSymbols = 26
|
|
|
|
const maxContextMapSymbols = (maxNumberOfBlockTypes + contextMapMaxRle)
|
|
|
|
const maxBlockTypeSymbols = (maxNumberOfBlockTypes + 2)
|
|
|
|
/* Specification: 3.5. Complex prefix codes */
|
|
const repeatPreviousCodeLength = 16
|
|
|
|
const repeatZeroCodeLength = 17
|
|
|
|
const codeLengthCodes = (repeatZeroCodeLength + 1)
|
|
|
|
/* "code length of 8 is repeated" */
|
|
const initialRepeatedCodeLength = 8
|
|
|
|
/* "Large Window Brotli" */
|
|
const largeMaxDistanceBits = 62
|
|
|
|
const largeMinWbits = 10
|
|
|
|
const largeMaxWbits = 30
|
|
|
|
/* Specification: 4. Encoding of distances */
|
|
const numDistanceShortCodes = 16
|
|
|
|
const maxNpostfix = 3
|
|
|
|
const maxNdirect = 120
|
|
|
|
const maxDistanceBits = 24
|
|
|
|
func distanceAlphabetSize(NPOSTFIX uint, NDIRECT uint, MAXNBITS uint) uint {
|
|
return numDistanceShortCodes + NDIRECT + uint(MAXNBITS<<(NPOSTFIX+1))
|
|
}
|
|
|
|
/* numDistanceSymbols == 1128 */
|
|
const numDistanceSymbols = 1128
|
|
|
|
const maxDistance = 0x3FFFFFC
|
|
|
|
const maxAllowedDistance = 0x7FFFFFFC
|
|
|
|
/* 7.1. Context modes and context ID lookup for literals */
|
|
/* "context IDs for literals are in the range of 0..63" */
|
|
const literalContextBits = 6
|
|
|
|
/* 7.2. Context ID for distances */
|
|
const distanceContextBits = 2
|
|
|
|
/* 9.1. Format of the Stream Header */
|
|
/* Number of slack bytes for window size. Don't confuse
|
|
with BROTLI_NUM_DISTANCE_SHORT_CODES. */
|
|
const windowGap = 16
|
|
|
|
func maxBackwardLimit(W uint) uint {
|
|
return (uint(1) << W) - windowGap
|
|
}
|