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25 lines
400 B
Go
25 lines
400 B
Go
package pb
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import (
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"io"
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)
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// It's proxy reader, implement io.Reader
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type Reader struct {
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io.Reader
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bar *ProgressBar
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}
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func (r *Reader) Read(p []byte) (n int, err error) {
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n, err = r.Reader.Read(p)
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r.bar.Add(n)
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return
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}
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// Close the reader when it implements io.Closer
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func (r *Reader) Close() (err error) {
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if closer, ok := r.Reader.(io.Closer); ok {
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return closer.Close()
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}
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return
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}
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