Method parseFunc

parse/parse.go:88–128

()

}

func (t *Tree) parseFunc() (Node, error) {
	switch t.scanner.peek() {
	case '#':
		return t.parseLenFunc()
	}

	var name string
	t.scanner.accept = acceptIdent
	t.scanner.mode = scanIdent

	switch t.scanner.scan() {
	case tokenIdent:
		name = t.scanner.string()
	default:
		return nil, ErrParseVariableName
	}

	switch t.scanner.peek() {
	case ':':
		return t.parseDefaultOrSubstr(name)
	case '=':
		return t.parseDefaultFunc(name)
	case ',', '^':
		return t.parseCasingFunc(name)
	case '/':
		return t.parseReplaceFunc(name)
	case '#':
		return t.parseRemoveFunc(name, acceptHashFunc)
	case '%':
		return t.parseRemoveFunc(name, acceptPercentFunc)
	}

	t.scanner.accept = acceptIdent
	t.scanner.mode = scanRbrack
	switch t.scanner.scan() {
	case tokenRbrack:
		return newFuncNode(name), nil
	default:
		return nil, ErrMissingClosingBrace
	}
}

// parse a substitution function parameter.
func (t *Tree) parseParam(accept acceptFunc, mode byte) (Node, error) {