mirror of
https://github.com/dnote/dnote
synced 2026-03-14 22:45:50 +01:00
48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
/* Copyright (C) 2019, 2020, 2021 Monomax Software Pty Ltd
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*
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* This file is part of Dnote.
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*
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* Dnote is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Dnote is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Dnote. If not, see <https://www.gnu.org/licenses/>.
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*/
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// Package diff provides line-by-line diff feature by wrapping
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// a package github.com/sergi/go-diff/diffmatchpatch
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package diff
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import (
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"time"
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"github.com/sergi/go-diff/diffmatchpatch"
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)
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const (
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// DiffEqual represents an equal diff
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DiffEqual = diffmatchpatch.DiffEqual
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// DiffInsert represents an insert diff
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DiffInsert = diffmatchpatch.DiffInsert
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// DiffDelete represents a delete diff
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DiffDelete = diffmatchpatch.DiffDelete
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)
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// Do computes line-by-line diff between two strings
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func Do(s1, s2 string) (diffs []diffmatchpatch.Diff) {
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dmp := diffmatchpatch.New()
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dmp.DiffTimeout = time.Hour
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s1Chars, s2Chars, arr := dmp.DiffLinesToRunes(s1, s2)
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diffs = dmp.DiffMainRunes(s1Chars, s2Chars, false)
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diffs = dmp.DiffCharsToLines(diffs, arr)
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return diffs
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}
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