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<?php |
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/** |
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* @author Gerard van Helden <[email protected]> |
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* @copyright Zicht Online <http://zicht.nl> |
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*/ |
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namespace Zicht\Bundle\FrameworkExtraBundle\Twig\ControlStructures; |
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use Twig_Compiler; |
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/** |
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* Represents a 'with' node. |
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*/ |
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class WithNode extends \Twig_Node |
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{ |
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/** |
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* Constructs the node. |
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* |
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* @param array $items |
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* @param array $body |
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* @param int $options |
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* @param null|string $line |
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* @param string $tag |
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*/ |
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public function __construct($items, $body, $options, $line, $tag) |
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{ |
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parent::__construct( |
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array('body' => $body), |
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array('items' => $items, 'options' => $options), |
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$line, |
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$tag |
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); |
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} |
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/** |
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* Checks if an option is set. |
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* |
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* @param string $value |
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* @return bool |
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*/ |
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public function hasOption($value) |
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{ |
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return |
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$this->getAttribute('options') |
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&& in_array($value, $this->getAttribute('options')); |
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} |
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/** |
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* Compiles the node. |
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* |
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* @param \Twig_Compiler $compiler |
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* @return void |
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*/ |
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public function compile(Twig_Compiler $compiler) |
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{ |
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$compiler |
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->addDebugInfo($this) |
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->write('if(!isset($withStack)) {' . "\n") |
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->indent() |
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->write('$withStack = array();' . "\n") |
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->outdent() |
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->write('}' . "\n") |
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->write("\n") |
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->write('array_push($withStack, $context);' . "\n"); |
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$compiler->write('$values = array_merge(' . "\n")->indent(); |
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$i = 0; |
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foreach ($this->getAttribute('items') as $argument) { |
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if ($i ++ > 0) { |
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$compiler->raw(',' . "\n"); |
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} |
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$this->compileArgument($compiler, $argument); |
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} |
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$compiler->raw("\n")->outdent()->write(");\n"); |
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if (!$this->hasOption('always')) { |
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$compiler->write( |
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'if (count(array_filter($values, function($o) { |
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if ($o instanceof \Countable) { |
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return count($o) > 0; |
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} else { |
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return !empty($o); |
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} |
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}))) {' |
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); |
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} |
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if ($this->hasOption('merged')) { |
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$compiler->write('$values += $context;' . "\n"); |
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} else { |
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$compiler->write('$values += array(\'_parent\' => $context);'); |
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} |
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$compiler |
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->write('$context = $values;') |
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->subcompile($this->getNode('body')); |
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if (!$this->hasOption('always')) { |
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$compiler->write('}'); |
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} |
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$compiler->write('$context = array_pop($withStack);' . "\n"); |
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} |
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/** |
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* Compiles the 'with' argument. |
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* |
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* @param Twig_Compiler $compiler |
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* @param mixed $argument |
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* @return void |
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*/ |
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public function compileArgument($compiler, $argument) |
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{ |
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if (empty($argument['name'])) { |
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$compiler |
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->write('(array) ') |
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->subcompile($argument['value']); |
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} else { |
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$compiler |
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->write('array(') |
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->repr($argument['name']) |
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->raw(' => ') |
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->subcompile($argument['value']) |
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->raw(')'); |
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} |
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} |
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} |
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zicht /
framework-extra-bundle
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