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// Copyright 2020 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 fake
import (
"cuelang.org/go/internal/golangorgx/gopls/protocol"
"cuelang.org/go/internal/golangorgx/tools/diff"
)
// NewEdit creates an edit replacing all content between the 0-based
// (startLine, startColumn) and (endLine, endColumn) with text.
//
// Columns measure UTF-16 codes.
func NewEdit(startLine, startColumn, endLine, endColumn uint32, text string) protocol.TextEdit {
return protocol.TextEdit{
Range: protocol.Range{
Start: protocol.Position{Line: startLine, Character: startColumn},
End: protocol.Position{Line: endLine, Character: endColumn},
},
NewText: text,
}
}
// applyEdits applies the edits to a file with the specified lines,
// and returns a new slice containing the lines of the patched file.
// It is a wrapper around diff.Apply; see that function for preconditions.
func applyEdits(mapper *protocol.Mapper, edits []protocol.TextEdit, windowsLineEndings bool) ([]byte, error) {
diffEdits, err := protocol.EditsToDiffEdits(mapper, edits)
if err != nil {
return nil, err
}
patched, err := diff.ApplyBytes(mapper.Content, diffEdits)
if err != nil {
return nil, err
}
if windowsLineEndings {
patched = toWindowsLineEndings(patched)
}
return patched, nil
}
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