mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-16 11:21:45 +03:00
47 lines
1.8 KiB
Go
47 lines
1.8 KiB
Go
|
// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
|
||
|
// https://github.com/sergi/go-diff
|
||
|
// See the included LICENSE file for license details.
|
||
|
//
|
||
|
// go-diff is a Go implementation of Google's Diff, Match, and Patch library
|
||
|
// Original library is Copyright (c) 2006 Google Inc.
|
||
|
// http://code.google.com/p/google-diff-match-patch/
|
||
|
|
||
|
// Package diffmatchpatch offers robust algorithms to perform the operations required for synchronizing plain text.
|
||
|
package diffmatchpatch
|
||
|
|
||
|
import (
|
||
|
"time"
|
||
|
)
|
||
|
|
||
|
// DiffMatchPatch holds the configuration for diff-match-patch operations.
|
||
|
type DiffMatchPatch struct {
|
||
|
// Number of seconds to map a diff before giving up (0 for infinity).
|
||
|
DiffTimeout time.Duration
|
||
|
// Cost of an empty edit operation in terms of edit characters.
|
||
|
DiffEditCost int
|
||
|
// How far to search for a match (0 = exact location, 1000+ = broad match). A match this many characters away from the expected location will add 1.0 to the score (0.0 is a perfect match).
|
||
|
MatchDistance int
|
||
|
// When deleting a large block of text (over ~64 characters), how close do the contents have to be to match the expected contents. (0.0 = perfection, 1.0 = very loose). Note that MatchThreshold controls how closely the end points of a delete need to match.
|
||
|
PatchDeleteThreshold float64
|
||
|
// Chunk size for context length.
|
||
|
PatchMargin int
|
||
|
// The number of bits in an int.
|
||
|
MatchMaxBits int
|
||
|
// At what point is no match declared (0.0 = perfection, 1.0 = very loose).
|
||
|
MatchThreshold float64
|
||
|
}
|
||
|
|
||
|
// New creates a new DiffMatchPatch object with default parameters.
|
||
|
func New() *DiffMatchPatch {
|
||
|
// Defaults.
|
||
|
return &DiffMatchPatch{
|
||
|
DiffTimeout: time.Second,
|
||
|
DiffEditCost: 4,
|
||
|
MatchThreshold: 0.5,
|
||
|
MatchDistance: 1000,
|
||
|
PatchDeleteThreshold: 0.5,
|
||
|
PatchMargin: 4,
|
||
|
MatchMaxBits: 32,
|
||
|
}
|
||
|
}
|