Revision 1852
Added by darkviper over 11 years ago
| Escaper.php | ||
|---|---|---|
| 19 | 19 |
{
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protected $statusStack = array(); |
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protected $blocks = array(); |
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|
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protected $safeAnalysis; |
| 24 | 23 |
protected $traverser; |
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protected $defaultStrategy = false; |
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protected $safeVars = array(); |
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function __construct() |
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public function __construct()
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{
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$this->safeAnalysis = new Twig_NodeVisitor_SafeAnalysis(); |
| 29 | 30 |
} |
| ... | ... | |
| 38 | 39 |
*/ |
| 39 | 40 |
public function enterNode(Twig_NodeInterface $node, Twig_Environment $env) |
| 40 | 41 |
{
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if ($node instanceof Twig_Node_AutoEscape) {
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if ($node instanceof Twig_Node_Module) {
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if ($env->hasExtension('escaper') && $defaultStrategy = $env->getExtension('escaper')->getDefaultStrategy($node->getAttribute('filename'))) {
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$this->defaultStrategy = $defaultStrategy; |
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} |
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$this->safeVars = array(); |
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} elseif ($node instanceof Twig_Node_AutoEscape) {
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$this->statusStack[] = $node->getAttribute('value');
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} elseif ($node instanceof Twig_Node_Block) {
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$this->statusStack[] = isset($this->blocks[$node->getAttribute('name')]) ? $this->blocks[$node->getAttribute('name')] : $this->needEscaping($env);
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} elseif ($node instanceof Twig_Node_Import) {
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$this->safeVars[] = $node->getNode('var')->getAttribute('name');
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} |
| 46 | 54 |
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return $node; |
| ... | ... | |
| 57 | 65 |
*/ |
| 58 | 66 |
public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env) |
| 59 | 67 |
{
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if ($node instanceof Twig_Node_Expression_Filter) {
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if ($node instanceof Twig_Node_Module) {
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$this->defaultStrategy = false; |
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$this->safeVars = array(); |
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} elseif ($node instanceof Twig_Node_Expression_Filter) {
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return $this->preEscapeFilterNode($node, $env); |
| 62 | 73 |
} elseif ($node instanceof Twig_Node_Print) {
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return $this->escapePrintNode($node, $env, $this->needEscaping($env)); |
| ... | ... | |
| 123 | 134 |
if (null === $this->traverser) {
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$this->traverser = new Twig_NodeTraverser($env, array($this->safeAnalysis)); |
| 125 | 136 |
} |
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$this->safeAnalysis->setSafeVars($this->safeVars); |
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|
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$this->traverser->traverse($expression); |
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$safe = $this->safeAnalysis->getSafe($expression); |
| 128 | 142 |
} |
| ... | ... | |
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return $this->statusStack[count($this->statusStack) - 1]; |
| 137 | 151 |
} |
| 138 | 152 |
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if ($env->hasExtension('escaper') && $env->getExtension('escaper')->isGlobal()) {
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return 'html'; |
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} |
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return false; |
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return $this->defaultStrategy ? $this->defaultStrategy : false; |
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} |
| 145 | 155 |
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protected function getEscaperFilter($type, Twig_NodeInterface $node) |
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