// ParseBuffer performs the same action as Parse, but with a caller-supplied
// buffer for copying data from the reader to the writer.
ParseBuffer performs the same action as Parse, but with a caller-supplied
buffer for copying data from the reader to the writer.
// ParseBuffer performs the same action as Parse but with a caller - supplied // buffer for copying data from the reader to the writer .
func (p *Parser) ParseBuffer(buf []byte, escapeHandler func(finalByte byte, intermediateBytes, parameterBytes []byte) error) error {
	if len(buf) == 0 {
		return errors.New("buffer must not be empty")
	}
	var start, ofs, i int
	var werr error
	p.escapeHandler = func(finalByte byte, intermediateBytes, parameterBytes []byte) error {
		if werr == nil {
			_, werr = p.out.Write(buf[start : i-ofs])
		}
		start = i - ofs
		if escapeHandler == nil {
			return nil
		}
		return escapeHandler(finalByte, intermediateBytes, parameterBytes)
	}
	for {
		n, err := p.in.Read(buf)
		start = 0
		ofs = 0
		werr = nil
		for i = 0; i < n; i++ {
			output, herr := p.handle(buf[i])
			if herr != nil {
				return herr
			}
			if !output {
				ofs++
			} else {
				if p.extraByte != 0 {
					if ofs == 0 {
						var wbuf [1]byte
						wbuf[0] = p.extraByte
						if werr == nil {
							_, werr = p.out.Write(wbuf[:])
						}
					} else {
						buf[i-ofs] = p.extraByte
						ofs--
					}
					p.extraByte = 0
				}
				if ofs > 0 {
					buf[i-ofs] = buf[i]
				}
			}
		}
		if start <= n-ofs && werr == nil {
			_, werr = p.out.Write(buf[start : n-ofs])
		}
		if werr != nil {
			return werr
		}
		if err != nil {
			if err == io.EOF {
				return nil
			}
			return err
		}
	}
}
func ( p * Parser ) ParseBuffer ( buf [ ] byte , escapeHandler func ( finalByte byte , intermediateBytes , parameterBytes [ ] byte ) error ) error { if len ( buf ) == 0 { return errors . New ( " " ) } var start , ofs , i int var werr error p . escapeHandler = func ( finalByte byte , intermediateBytes , parameterBytes [ ] byte ) error { if werr == nil { _ , werr = p . out . Write ( buf [ start : i - ofs ] ) } start = i - ofs if escapeHandler == nil { return nil } return escapeHandler ( finalByte , intermediateBytes , parameterBytes ) } for { n , err := p . in . Read ( buf ) start = 0 ofs = 0 werr = nil for i = 0 ; i < n ; i ++ { output , herr := p . handle ( buf [ i ] ) if herr != nil { return herr } if ! output { ofs ++ } else { if p . extraByte != 0 { if ofs == 0 { var wbuf [ 1 ] byte wbuf [ 0 ] = p . extraByte if werr == nil { _ , werr = p . out . Write ( wbuf [ : ] ) } } else { buf [ i - ofs ] = p . extraByte ofs -- } p . extraByte = 0 } if ofs > 0 { buf [ i - ofs ] = buf [ i ] } } } if start <= n - ofs && werr == nil { _ , werr = p . out . Write ( buf [ start : n - ofs ] ) } if werr != nil { return werr } if err != nil { if err == io . EOF { return nil } return err } } }
ParseBuffer performs the same action as Parse, but with a caller-supplied
buffer for copying data from the reader to the writer.
ParseBuffer performs the same action as Parse but with a caller - supplied buffer for copying data from the reader to the writer .
// there's not room in the buffer to put the last byte, // so write the single byte.