Method writeLines

cli/command/formatter/tabwriter/tabwriter.go:300–349

(pos0 int, line0, line1 int)

var vbar = []byte{'|'}

func (b *Writer) writeLines(pos0 int, line0, line1 int) (pos int) {
	pos = pos0
	for i := line0; i < line1; i++ {
		line := b.lines[i]

		// if TabIndent is set, use tabs to pad leading empty cells
		useTabs := b.flags&TabIndent != 0

		for j, c := range line {
			if j > 0 && b.flags&Debug != 0 {
				// indicate column break
				b.write0(vbar)
			}

			if c.size == 0 {
				// empty cell
				if j < len(b.widths) {
					b.writePadding(c.width, b.widths[j], useTabs)
				}
			} else {
				// non-empty cell
				useTabs = false
				if b.flags&AlignRight == 0 { // align left
					b.write0(b.buf[pos : pos+c.size])
					pos += c.size
					if j < len(b.widths) {
						b.writePadding(c.width, b.widths[j], false)
					}
				} else { // align right
					if j < len(b.widths) {
						b.writePadding(c.width, b.widths[j], false)
					}
					b.write0(b.buf[pos : pos+c.size])
					pos += c.size
				}
			}
		}

		if i+1 == len(b.lines) {
			// last buffered line - we don't have a newline, so just write
			// any outstanding buffered data
			b.write0(b.buf[pos : pos+b.cell.size])
			pos += b.cell.size
		} else {
			// not the last line - write newline
			b.write0(newline)
		}
	}
	return
}

// Format the text between line0 and line1 (excluding line1); pos
// is the buffer position corresponding to the beginning of line0.