Function NewTextApplier

pkg/gitdiff/apply_text.go:26–39

NewTextApplier creates a TextApplier that reads data from src and writes modified data to dst. If src implements LineReaderAt, it is used directly.

(dst io.Writer, src io.ReaderAt)

// NewTextApplier creates a TextApplier that reads data from src and writes
// modified data to dst. If src implements LineReaderAt, it is used directly.
func NewTextApplier(dst io.Writer, src io.ReaderAt) *TextApplier {
	a := TextApplier{
		dst: dst,
		src: src,
	}

	if lineSrc, ok := src.(LineReaderAt); ok {
		a.lineSrc = lineSrc
	} else {
		a.lineSrc = &lineReaderAt{r: src}
	}

	return &a
}

// ApplyFragment applies the changes in the fragment f, writing unwritten data
// before the start of the fragment and any changes from the fragment. If