mirror of
https://github.com/golang/go
synced 2024-10-01 09:28:37 -06:00
85edb9ef32
this moves the actual diff algorithm into a different package and then provides hooks so it can be easily replaced with an alternate algorithm. Change-Id: Ia0359f58878493599ea0e0fda8920f21100e16f1 Reviewed-on: https://go-review.googlesource.com/c/tools/+/190898 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
33 lines
918 B
Go
33 lines
918 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Package diff supports a pluggable diff algorithm.
|
|
package diff
|
|
|
|
import (
|
|
"sort"
|
|
|
|
"golang.org/x/tools/internal/span"
|
|
)
|
|
|
|
// TextEdit represents a change to a section of a document.
|
|
// The text within the specified span should be replaced by the supplied new text.
|
|
type TextEdit struct {
|
|
Span span.Span
|
|
NewText string
|
|
}
|
|
|
|
var (
|
|
ComputeEdits func(uri span.URI, before, after string) []TextEdit
|
|
ApplyEdits func(before string, edits []TextEdit) string
|
|
ToUnified func(from, to string, before string, edits []TextEdit) string
|
|
)
|
|
|
|
func SortTextEdits(d []TextEdit) {
|
|
// Use a stable sort to maintain the order of edits inserted at the same position.
|
|
sort.SliceStable(d, func(i int, j int) bool {
|
|
return span.Compare(d[i].Span, d[j].Span) < 0
|
|
})
|
|
}
|