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28 lines
580 B
28 lines
580 B
5 years ago
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package vfsgen
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import (
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"io"
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)
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// stringWriter writes given bytes to underlying io.Writer as a Go interpreted string literal value,
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// not including double quotes. It tracks the total number of bytes written.
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type stringWriter struct {
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io.Writer
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N int64 // Total bytes written.
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}
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func (sw *stringWriter) Write(p []byte) (n int, err error) {
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const hex = "0123456789abcdef"
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buf := []byte{'\\', 'x', 0, 0}
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for _, b := range p {
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buf[2], buf[3] = hex[b/16], hex[b%16]
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_, err = sw.Writer.Write(buf)
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if err != nil {
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return n, err
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}
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n++
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sw.N++
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}
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return n, nil
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}
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