46 lines
787 B
Go
46 lines
787 B
Go
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package socketio
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import (
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"bytes"
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"io"
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)
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type trimWriter struct {
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trimChars string
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trimBuf []byte
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output io.Writer
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}
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func newTrimWriter(w io.Writer, trimChars string) *trimWriter {
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return &trimWriter{
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trimChars: trimChars,
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output: w,
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}
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}
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func (w *trimWriter) Write(p []byte) (int, error) {
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out := bytes.TrimRight(p, w.trimChars)
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buf := p[len(out):]
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var written int
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if (len(out) > 0) && (w.trimBuf != nil) {
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var err error
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if written, err = w.output.Write(w.trimBuf); err != nil {
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return 0, err
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}
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w.trimBuf = nil
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}
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if w.trimBuf != nil {
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w.trimBuf = append(w.trimBuf, buf...)
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} else {
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w.trimBuf = buf
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}
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if len(p) == 0 {
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return written, nil
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}
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ret, err := w.output.Write(out)
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if err != nil {
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return 0, err
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}
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return written + ret, nil
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}
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