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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/Escaper.php
parent6f1083e4b51fc9c4c594f6c72cf3d84ef4d0298b (diff)
Initial attempt a switch to composer and PHP-8.1 compatibility
Diffstat (limited to 'inc/lib/Twig/NodeVisitor/Escaper.php')
-rw-r--r--inc/lib/Twig/NodeVisitor/Escaper.php154
1 files changed, 0 insertions, 154 deletions
diff --git a/inc/lib/Twig/NodeVisitor/Escaper.php b/inc/lib/Twig/NodeVisitor/Escaper.php
deleted file mode 100644
index 1a1ae66f..00000000
--- a/inc/lib/Twig/NodeVisitor/Escaper.php
+++ /dev/null
@@ -1,154 +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.
- */
-
-/**
- * Twig_NodeVisitor_Escaper implements output escaping.
- *
- * @final
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
-class Twig_NodeVisitor_Escaper extends Twig_BaseNodeVisitor
-{
- protected $statusStack = array();
- protected $blocks = array();
- protected $safeAnalysis;
- protected $traverser;
- protected $defaultStrategy = false;
- protected $safeVars = array();
-
- public function __construct()
- {
- $this->safeAnalysis = new Twig_NodeVisitor_SafeAnalysis();
- }
-
- protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
- {
- if ($node instanceof Twig_Node_Module) {
- if ($env->hasExtension('Twig_Extension_Escaper') && $defaultStrategy = $env->getExtension('Twig_Extension_Escaper')->getDefaultStrategy($node->getTemplateName())) {
- $this->defaultStrategy = $defaultStrategy;
- }
- $this->safeVars = array();
- $this->blocks = array();
- } elseif ($node instanceof Twig_Node_AutoEscape) {
- $this->statusStack[] = $node->getAttribute('value');
- } elseif ($node instanceof Twig_Node_Block) {
- $this->statusStack[] = isset($this->blocks[$node->getAttribute('name')]) ? $this->blocks[$node->getAttribute('name')] : $this->needEscaping($env);
- } elseif ($node instanceof Twig_Node_Import) {
- $this->safeVars[] = $node->getNode('var')->getAttribute('name');
- }
-
- return $node;
- }
-
- protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
- {
- if ($node instanceof Twig_Node_Module) {
- $this->defaultStrategy = false;
- $this->safeVars = array();
- $this->blocks = array();
- } elseif ($node instanceof Twig_Node_Expression_Filter) {
- return $this->preEscapeFilterNode($node, $env);
- } elseif ($node instanceof Twig_Node_Print) {
- return $this->escapePrintNode($node, $env, $this->needEscaping($env));
- }
-
- if ($node instanceof Twig_Node_AutoEscape || $node instanceof Twig_Node_Block) {
- array_pop($this->statusStack);
- } elseif ($node instanceof Twig_Node_BlockReference) {
- $this->blocks[$node->getAttribute('name')] = $this->needEscaping($env);
- }
-
- return $node;
- }
-
- protected function escapePrintNode(Twig_Node_Print $node, Twig_Environment $env, $type)
- {
- if (false === $type) {
- return $node;
- }
-
- $expression = $node->getNode('expr');
-
- if ($this->isSafeFor($type, $expression, $env)) {
- return $node;
- }
-
- $class = get_class($node);
-
- return new $class(
- $this->getEscaperFilter($type, $expression),
- $node->getTemplateLine()
- );
- }
-
- protected function preEscapeFilterNode(Twig_Node_Expression_Filter $filter, Twig_Environment $env)
- {
- $name = $filter->getNode('filter')->getAttribute('value');
-
- $type = $env->getFilter($name)->getPreEscape();
- if (null === $type) {
- return $filter;
- }
-
- $node = $filter->getNode('node');
- if ($this->isSafeFor($type, $node, $env)) {
- return $filter;
- }
-
- $filter->setNode('node', $this->getEscaperFilter($type, $node));
-
- return $filter;
- }
-
- protected function isSafeFor($type, Twig_NodeInterface $expression, $env)
- {
- $safe = $this->safeAnalysis->getSafe($expression);
-
- if (null === $safe) {
- if (null === $this->traverser) {
- $this->traverser = new Twig_NodeTraverser($env, array($this->safeAnalysis));
- }
-
- $this->safeAnalysis->setSafeVars($this->safeVars);
-
- $this->traverser->traverse($expression);
- $safe = $this->safeAnalysis->getSafe($expression);
- }
-
- return in_array($type, $safe) || in_array('all', $safe);
- }
-
- protected function needEscaping(Twig_Environment $env)
- {
- if (count($this->statusStack)) {
- return $this->statusStack[count($this->statusStack) - 1];
- }
-
- return $this->defaultStrategy ? $this->defaultStrategy : false;
- }
-
- protected function getEscaperFilter($type, Twig_NodeInterface $node)
- {
- $line = $node->getTemplateLine();
- $name = new Twig_Node_Expression_Constant('escape', $line);
- $args = new Twig_Node(array(new Twig_Node_Expression_Constant((string) $type, $line), new Twig_Node_Expression_Constant(null, $line), new Twig_Node_Expression_Constant(true, $line)));
-
- return new Twig_Node_Expression_Filter($node, $name, $args, $line);
- }
-
- public function getPriority()
- {
- return 0;
- }
-}
-
-class_alias('Twig_NodeVisitor_Escaper', 'Twig\NodeVisitor\EscaperNodeVisitor', false);