public function Twig_Node_CheckSecurity::compile in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/twig/twig/lib/Twig/Node/CheckSecurity.php \Twig_Node_CheckSecurity::compile()

Compiles the node to PHP.

Parameters

Twig_Compiler $compiler A Twig_Compiler instance:

Overrides Twig_Node::compile

File

vendor/twig/twig/lib/Twig/Node/CheckSecurity.php, line 30

Class

Twig_Node_CheckSecurity

@author Fabien Potencier <fabien@symfony.com>

Code

public function compile(Twig_Compiler $compiler) {
  $tags = $filters = $functions = array();
  foreach (array(
    'tags',
    'filters',
    'functions',
  ) as $type) {
    foreach ($this->{'used' . ucfirst($type)} as $name => $node) {
      if ($node instanceof Twig_Node) {
        ${$type}[$name] = $node
          ->getLine();
      }
      else {
        ${$type}[$node] = null;
      }
    }
  }
  $compiler
    ->write('$tags = ')
    ->repr(array_filter($tags))
    ->raw(";\n")
    ->write('$filters = ')
    ->repr(array_filter($filters))
    ->raw(";\n")
    ->write('$functions = ')
    ->repr(array_filter($functions))
    ->raw(";\n\n")
    ->write("try {\n")
    ->indent()
    ->write("\$this->env->getExtension('sandbox')->checkSecurity(\n")
    ->indent()
    ->write(!$tags ? "array(),\n" : "array('" . implode("', '", array_keys($tags)) . "'),\n")
    ->write(!$filters ? "array(),\n" : "array('" . implode("', '", array_keys($filters)) . "'),\n")
    ->write(!$functions ? "array()\n" : "array('" . implode("', '", array_keys($functions)) . "')\n")
    ->outdent()
    ->write(");\n")
    ->outdent()
    ->write("} catch (Twig_Sandbox_SecurityError \$e) {\n")
    ->indent()
    ->write("\$e->setTemplateFile(\$this->getTemplateName());\n\n")
    ->write("if (\$e instanceof Twig_Sandbox_SecurityNotAllowedTagError && isset(\$tags[\$e->getTagName()])) {\n")
    ->indent()
    ->write("\$e->setTemplateLine(\$tags[\$e->getTagName()]);\n")
    ->outdent()
    ->write("} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFilterError && isset(\$filters[\$e->getFilterName()])) {\n")
    ->indent()
    ->write("\$e->setTemplateLine(\$filters[\$e->getFilterName()]);\n")
    ->outdent()
    ->write("} elseif (\$e instanceof Twig_Sandbox_SecurityNotAllowedFunctionError && isset(\$functions[\$e->getFunctionName()])) {\n")
    ->indent()
    ->write("\$e->setTemplateLine(\$functions[\$e->getFunctionName()]);\n")
    ->outdent()
    ->write("}\n\n")
    ->write("throw \$e;\n")
    ->outdent()
    ->write("}\n\n");
}