Function replace

pkg/compose/transform/replace.go:126–149

replace changes yaml node value in stream at position, preserving content

(in []byte, line int, column int, value string)

// replace changes yaml node value in stream at position, preserving content
func replace(in []byte, line int, column int, value string) []byte {
	var out []byte
	l := 1
	pos := 0
	for _, b := range in {
		if b == '\n' {
			l++
			if l == line {
				break
			}
		}
		pos++
	}
	pos += column
	out = append(out, in[0:pos]...)
	out = append(out, []byte(value)...)
	for ; pos < len(in); pos++ {
		if in[pos] == '\n' {
			break
		}
	}
	out = append(out, in[pos:]...)
	return out
}