58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package crlf
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import (
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"bytes"
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"io"
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)
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type crlfWriter struct {
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io.Writer
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}
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// NewCRLFWriter implements a CR/LF line ending writer used for normalizing
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// text for Windows platforms.
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func NewCRLFWriter(w io.Writer) io.Writer {
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return crlfWriter{w}
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}
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func (w crlfWriter) Write(b []byte) (n int, err error) {
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for i, written := 0, 0; ; {
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next := bytes.Index(b[i:], []byte("\n"))
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if next == -1 {
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n, err := w.Writer.Write(b[i:])
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return written + n, err
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}
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next = next + i
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n, err := w.Writer.Write(b[i:next])
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if err != nil {
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return written + n, err
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}
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written += n
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n, err = w.Writer.Write([]byte("\r\n"))
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if err != nil {
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if n > 1 {
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n = 1
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}
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return written + n, err
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}
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written += 1
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i = next + 1
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}
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}
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