Method parseColonSlash

internal/revision/parser.go:471–512

parseColonSlash extract :/ statements

()

// parseColonSlash extract :/<data> statements
func (p *Parser) parseColonSlash() (Revisioner, error) {
	var tok, nextTok token
	var lit string
	var re string
	var negate bool
	var err error

	for {
		tok, lit, err = p.scan()

		if err != nil {
			return nil, err
		}

		nextTok, _, err = p.scan()

		if err != nil {
			return nil, err
		}

		switch {
		case tok == emark && nextTok == emark:
			re += lit
		case re == "" && tok == emark && nextTok == minus:
			negate = true
		case re == "" && tok == emark:
			return nil, &ErrInvalidRevision{s: `revision suffix brace component sequences starting with "/!" others than those defined are reserved`}
		case tok == eof:
			p.unscan()
			reg, err := regexp.Compile(re)

			if err != nil {
				return ColonReg{}, &ErrInvalidRevision{fmt.Sprintf(`revision suffix brace component, %s`, err.Error())}
			}

			return ColonReg{reg, negate}, nil
		default:
			p.unscan()
			re += lit
		}
	}
}

// parseColonDefault extract :<data> statements
func (p *Parser) parseColonDefault() (Revisioner, error) {