public function compile(ExpressionInterface $expression)
{
/** @var $expression \PeterVanDommelen\Parser\Expression\Repeater\RepeaterExpression */
if ($expression->isLazy() === true) {
return new LazyRepeaterParser($this->getRecursiveHandler()->compile($expression->getExpression()), $expression->getMinimum(), $expression->getMaximum());
}
return new GreedyRepeaterParser($this->getRecursiveHandler()->compile($expression->getExpression()), $expression->getMinimum(), $expression->getMaximum());
}
public function rewriteExpression(ExpressionInterface $expression)
{
/** @var JoinedExpression $expression */
$rewritten_inner_expression = $this->getRecursiveHandler()->rewriteExpression($expression->getExpression());
$rewritten_seperator_expression = $this->getRecursiveHandler()->rewriteExpression($expression->getSeperator());
$repeater_part = new ConcatenatedExpression(array($rewritten_seperator_expression->getExpression(), $rewritten_inner_expression->getExpression()));
$maximum = $expression->getMaximum();
if ($maximum !== null) {
$maximum = $maximum - 1;
}
$maybe_part = new ConcatenatedExpression(array($rewritten_inner_expression->getExpression(), new RepeaterExpression($repeater_part, $expression->isLazy(), max(0, $expression->getMinimum() - 1), $maximum)));
return new RewrittenExpressionContainer(new AlternativeExpression(array($maybe_part, new ConstantExpression(""))), new JoinedExpressionResultRewriter($rewritten_inner_expression->getResultRewriter(), $rewritten_seperator_expression->getResultRewriter()));
}
public function rewriteExpression(ExpressionInterface $expression)
{
/** @var RepeaterExpression $expression */
$rewritten_inner = $this->getRecursiveHandler()->rewriteExpression($expression->getExpression());
return new RewrittenExpressionContainer(new RepeaterExpression($rewritten_inner->getExpression(), $expression->isLazy(), $expression->getMinimum(), $expression->getMaximum()), new RepeaterExpressionResultRewriter($rewritten_inner->getResultRewriter()));
}
