mirror of
https://github.com/go-gitea/gitea
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47 lines
1.8 KiB
Go
47 lines
1.8 KiB
Go
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// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
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// https://github.com/sergi/go-diff
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// See the included LICENSE file for license details.
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//
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// go-diff is a Go implementation of Google's Diff, Match, and Patch library
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// Original library is Copyright (c) 2006 Google Inc.
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// http://code.google.com/p/google-diff-match-patch/
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// Package diffmatchpatch offers robust algorithms to perform the operations required for synchronizing plain text.
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package diffmatchpatch
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import (
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"time"
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)
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// DiffMatchPatch holds the configuration for diff-match-patch operations.
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type DiffMatchPatch struct {
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// Number of seconds to map a diff before giving up (0 for infinity).
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DiffTimeout time.Duration
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// Cost of an empty edit operation in terms of edit characters.
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DiffEditCost int
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// 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).
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MatchDistance int
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// 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.
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PatchDeleteThreshold float64
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// Chunk size for context length.
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PatchMargin int
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// The number of bits in an int.
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MatchMaxBits int
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// At what point is no match declared (0.0 = perfection, 1.0 = very loose).
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MatchThreshold float64
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}
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// New creates a new DiffMatchPatch object with default parameters.
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func New() *DiffMatchPatch {
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// Defaults.
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return &DiffMatchPatch{
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DiffTimeout: time.Second,
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DiffEditCost: 4,
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MatchThreshold: 0.5,
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MatchDistance: 1000,
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PatchDeleteThreshold: 0.5,
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PatchMargin: 4,
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MatchMaxBits: 32,
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}
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}
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