diff options
| author | Appleman1234 <applemansigloo@gmail.com> | 2022-09-25 13:22:40 +1000 |
|---|---|---|
| committer | Appleman1234 <applemansigloo@gmail.com> | 2022-09-25 13:22:40 +1000 |
| commit | 92561d7f36508b7e0271926e417adf0e2e53916b (patch) | |
| tree | a8588b4f70af276c5acf58836e33b1f6ff5c61e8 /inc/lib/Twig/NodeVisitor/SafeAnalysis.php | |
| parent | 6f1083e4b51fc9c4c594f6c72cf3d84ef4d0298b (diff) | |
Initial attempt a switch to composer and PHP-8.1 compatibility
Diffstat (limited to 'inc/lib/Twig/NodeVisitor/SafeAnalysis.php')
| -rw-r--r-- | inc/lib/Twig/NodeVisitor/SafeAnalysis.php | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/inc/lib/Twig/NodeVisitor/SafeAnalysis.php b/inc/lib/Twig/NodeVisitor/SafeAnalysis.php deleted file mode 100644 index ca31c8fc..00000000 --- a/inc/lib/Twig/NodeVisitor/SafeAnalysis.php +++ /dev/null @@ -1,150 +0,0 @@ -<?php - -/* - * This file is part of Twig. - * - * (c) Fabien Potencier - * - * For the full copyright and license information, please view the LICENSE - * file that was distributed with this source code. - */ - -/** - * @final - */ -class Twig_NodeVisitor_SafeAnalysis extends Twig_BaseNodeVisitor -{ - protected $data = array(); - protected $safeVars = array(); - - public function setSafeVars($safeVars) - { - $this->safeVars = $safeVars; - } - - public function getSafe(Twig_NodeInterface $node) - { - $hash = spl_object_hash($node); - if (!isset($this->data[$hash])) { - return; - } - - foreach ($this->data[$hash] as $bucket) { - if ($bucket['key'] !== $node) { - continue; - } - - if (in_array('html_attr', $bucket['value'])) { - $bucket['value'][] = 'html'; - } - - return $bucket['value']; - } - } - - protected function setSafe(Twig_NodeInterface $node, array $safe) - { - $hash = spl_object_hash($node); - if (isset($this->data[$hash])) { - foreach ($this->data[$hash] as &$bucket) { - if ($bucket['key'] === $node) { - $bucket['value'] = $safe; - - return; - } - } - } - $this->data[$hash][] = array( - 'key' => $node, - 'value' => $safe, - ); - } - - protected function doEnterNode(Twig_Node $node, Twig_Environment $env) - { - return $node; - } - - protected function doLeaveNode(Twig_Node $node, Twig_Environment $env) - { - if ($node instanceof Twig_Node_Expression_Constant) { - // constants are marked safe for all - $this->setSafe($node, array('all')); - } elseif ($node instanceof Twig_Node_Expression_BlockReference) { - // blocks are safe by definition - $this->setSafe($node, array('all')); - } elseif ($node instanceof Twig_Node_Expression_Parent) { - // parent block is safe by definition - $this->setSafe($node, array('all')); - } elseif ($node instanceof Twig_Node_Expression_Conditional) { - // intersect safeness of both operands - $safe = $this->intersectSafe($this->getSafe($node->getNode('expr2')), $this->getSafe($node->getNode('expr3'))); - $this->setSafe($node, $safe); - } elseif ($node instanceof Twig_Node_Expression_Filter) { - // filter expression is safe when the filter is safe - $name = $node->getNode('filter')->getAttribute('value'); - $args = $node->getNode('arguments'); - if (false !== $filter = $env->getFilter($name)) { - $safe = $filter->getSafe($args); - if (null === $safe) { - $safe = $this->intersectSafe($this->getSafe($node->getNode('node')), $filter->getPreservesSafety()); - } - $this->setSafe($node, $safe); - } else { - $this->setSafe($node, array()); - } - } elseif ($node instanceof Twig_Node_Expression_Function) { - // function expression is safe when the function is safe - $name = $node->getAttribute('name'); - $args = $node->getNode('arguments'); - $function = $env->getFunction($name); - if (false !== $function) { - $this->setSafe($node, $function->getSafe($args)); - } else { - $this->setSafe($node, array()); - } - } elseif ($node instanceof Twig_Node_Expression_MethodCall) { - if ($node->getAttribute('safe')) { - $this->setSafe($node, array('all')); - } else { - $this->setSafe($node, array()); - } - } elseif ($node instanceof Twig_Node_Expression_GetAttr && $node->getNode('node') instanceof Twig_Node_Expression_Name) { - $name = $node->getNode('node')->getAttribute('name'); - // attributes on template instances are safe - if ('_self' == $name || in_array($name, $this->safeVars)) { - $this->setSafe($node, array('all')); - } else { - $this->setSafe($node, array()); - } - } else { - $this->setSafe($node, array()); - } - - return $node; - } - - protected function intersectSafe(array $a = null, array $b = null) - { - if (null === $a || null === $b) { - return array(); - } - - if (in_array('all', $a)) { - return $b; - } - - if (in_array('all', $b)) { - return $a; - } - - return array_intersect($a, $b); - } - - public function getPriority() - { - return 0; - } -} - -class_alias('Twig_NodeVisitor_SafeAnalysis', 'Twig\NodeVisitor\SafeAnalysisNodeVisitor', false); |
