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<?php |
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namespace MewesK\TwigExcelBundle\Twig; |
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use MewesK\TwigExcelBundle\Twig\Node\XlsNode; |
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use Twig_Error_Syntax; |
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use Twig_Node; |
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use Twig_Node_Block; |
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use Twig_Node_BlockReference; |
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use Twig_Node_Expression_MethodCall; |
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use Twig_Node_Expression_Name; |
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use Twig_Node_Text; |
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use Twig_Parser; |
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/** |
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* Class NodeHelper |
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* |
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* @package MewesK\TwigExcelBundle\Twig\TokenParser |
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*/ |
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class NodeHelper |
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{ |
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/** |
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* @param Twig_Node $node |
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*/ |
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public static function fixMacroCallsRecursively(Twig_Node $node) |
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{ |
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foreach ($node->getIterator() as $key => $subNode) { |
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if ($subNode instanceof Twig_Node_Expression_MethodCall) { |
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/** |
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* @var \Twig_Node_Expression_Array $argumentsNode |
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*/ |
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$argumentsNode = $subNode->getNode('arguments'); |
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$argumentsNode->addElement(new Twig_Node_Expression_Name('phpExcel', null), null); |
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} elseif ($subNode instanceof Twig_Node && $subNode->count() > 0) { |
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self::fixMacroCallsRecursively($subNode); |
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} |
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} |
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} |
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/** |
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* @param Twig_Node $node |
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* @param Twig_Parser $parser |
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*/ |
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public static function removeTextNodesRecursively(Twig_Node $node, Twig_Parser $parser) |
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{ |
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foreach ($node->getIterator() as $key => $subNode) { |
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if ($subNode instanceof Twig_Node_Text) { |
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// Never delete a block body |
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if ($key === 'body' && $node instanceof Twig_Node_Block) { |
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continue; |
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} |
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$node->removeNode($key); |
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} elseif ($subNode instanceof Twig_Node_BlockReference) { |
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self::removeTextNodesRecursively($parser->getBlock($subNode->getAttribute('name')), $parser); |
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} elseif ($subNode instanceof Twig_Node && $subNode->count() > 0) { |
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if ($subNode instanceof XlsNode && $subNode->canContainText()) { |
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continue; |
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} |
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self::removeTextNodesRecursively($subNode, $parser); |
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} |
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} |
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} |
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/** |
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* @param XlsNode $node |
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* @param array $path |
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* @throws Twig_Error_Syntax |
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*/ |
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public static function checkAllowedParents(XlsNode $node, array $path) |
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{ |
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$parentName = null; |
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foreach (array_reverse($path) as $className) { |
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if (strpos($className, 'MewesK\TwigExcelBundle\Twig\Node\Xls') === 0) { |
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$parentName = $className; |
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break; |
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} |
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} |
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if ($parentName === null) { |
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return; |
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} |
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foreach ($node->getAllowedParents() as $className) { |
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if ($className === $parentName) { |
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return; |
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} |
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} |
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throw new Twig_Error_Syntax(sprintf('Node "%s" is not allowed inside of Node "%s".', get_class($node), $parentName)); |
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} |
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/** |
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* @param Twig_Node $node |
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* @return bool |
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*/ |
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public static function checkContainsXlsNode(Twig_Node $node) |
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{ |
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foreach ($node->getIterator() as $key => $subNode) { |
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if ($node instanceof XlsNode) { |
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return true; |
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} elseif ($subNode instanceof Twig_Node && $subNode->count() > 0) { |
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if (self::checkContainsXlsNode($subNode)) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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} |
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MewesK /
TwigExcelBundle
