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Include.php (2502B)

      1 <?php
      2 
      3 /*
      4  * This file is part of Twig.
      5  *
      6  * (c) 2009 Fabien Potencier
      7  * (c) 2009 Armin Ronacher
      8  *
      9  * For the full copyright and license information, please view the LICENSE
     10  * file that was distributed with this source code.
     11  */
     12 
     13 /**
     14  * Represents an include node.
     15  *
     16  * @author Fabien Potencier <fabien@symfony.com>
     17  */
     18 class Twig_Node_Include extends Twig_Node implements Twig_NodeOutputInterface
     19 {
     20     public function __construct(Twig_Node_Expression $expr, Twig_Node_Expression $variables = null, $only = false, $ignoreMissing = false, $lineno, $tag = null)
     21     {
     22         parent::__construct(array('expr' => $expr, 'variables' => $variables), array('only' => (bool) $only, 'ignore_missing' => (bool) $ignoreMissing), $lineno, $tag);
     23     }
     24 
     25     public function compile(Twig_Compiler $compiler)
     26     {
     27         $compiler->addDebugInfo($this);
     28 
     29         if ($this->getAttribute('ignore_missing')) {
     30             $compiler
     31                 ->write("try {\n")
     32                 ->indent()
     33             ;
     34         }
     35 
     36         $this->addGetTemplate($compiler);
     37 
     38         $compiler->raw('->display(');
     39 
     40         $this->addTemplateArguments($compiler);
     41 
     42         $compiler->raw(");\n");
     43 
     44         if ($this->getAttribute('ignore_missing')) {
     45             $compiler
     46                 ->outdent()
     47                 ->write("} catch (Twig_Error_Loader \$e) {\n")
     48                 ->indent()
     49                 ->write("// ignore missing template\n")
     50                 ->outdent()
     51                 ->write("}\n\n")
     52             ;
     53         }
     54     }
     55 
     56     protected function addGetTemplate(Twig_Compiler $compiler)
     57     {
     58         $compiler
     59              ->write('$this->loadTemplate(')
     60              ->subcompile($this->getNode('expr'))
     61              ->raw(', ')
     62              ->repr($compiler->getFilename())
     63              ->raw(', ')
     64              ->repr($this->getLine())
     65              ->raw(')')
     66          ;
     67     }
     68 
     69     protected function addTemplateArguments(Twig_Compiler $compiler)
     70     {
     71         if (null === $this->getNode('variables')) {
     72             $compiler->raw(false === $this->getAttribute('only') ? '$context' : 'array()');
     73         } elseif (false === $this->getAttribute('only')) {
     74             $compiler
     75                 ->raw('array_merge($context, ')
     76                 ->subcompile($this->getNode('variables'))
     77                 ->raw(')')
     78             ;
     79         } else {
     80             $compiler->subcompile($this->getNode('variables'));
     81         }
     82     }
     83 }