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authorAppleman1234 <applemansigloo@gmail.com>2022-09-25 13:22:40 +1000
committerAppleman1234 <applemansigloo@gmail.com>2022-09-25 13:22:40 +1000
commit92561d7f36508b7e0271926e417adf0e2e53916b (patch)
treea8588b4f70af276c5acf58836e33b1f6ff5c61e8 /inc/lib/Twig/NodeVisitor/SafeAnalysis.php
parent6f1083e4b51fc9c4c594f6c72cf3d84ef4d0298b (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.php150
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);