本文整理汇总了PHP中Twig_Node::getExpression方法的典型用法代码示例。如果您正苦于以下问题：PHP Twig_Node::getExpression方法的具体用法？PHP Twig_Node::getExpression怎么用？PHP Twig_Node::getExpression使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Twig_Node的用法示例。
在下文中一共展示了Twig_Node::getExpression方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: applyFilters
protected function applyFilters(Twig_Node $node)
{
if (false === ($filters = $this->getCurrentFilters())) {
return $node;
}
if ($node instanceof Twig_Node_Text) {
$expression = new Twig_Node_Expression_Constant($node->getData(), $node->getLine());
} else {
$expression = $node->getExpression();
}
// filters
if ($expression instanceof Twig_Node_Expression_Filter) {
$expression->appendFilters($filters);
return $node;
} else {
return new Twig_Node_Print(new Twig_Node_Expression_Filter($expression, $filters, $node->getLine()), $node->getLine());
}
}示例2: escapeNode
protected function escapeNode(Twig_Node $node, Twig_Environment $env, $type)
{
if (false === $type) {
return $node;
}
$expression = $node instanceof Twig_Node_Print ? $node->getExpression() : $node;
if ($expression instanceof Twig_Node_Expression_Filter) {
// don't escape if the primary node of the filter is not a variable
$nodes = $expression->getNodes();
if (!$nodes[0] instanceof Twig_Node_Expression_Name) {
return $node;
}
// don't escape if there is already an "escaper" in the filter chain
$filterMap = $env->getFilters();
foreach ($expression->getFilters() as $filter) {
if (isset($filterMap[$filter[0]]) && $filterMap[$filter[0]]->isEscaper()) {
return $node;
}
}
} elseif (!$expression instanceof Twig_Node_Expression_GetAttr && !$expression instanceof Twig_Node_Expression_Name) {
// don't escape if the node is not a variable
return $node;
}
// escape
if ($expression instanceof Twig_Node_Expression_Filter) {
// escape all variables in filters arguments
$filters = $expression->getFilters();
foreach ($filters as $i => $filter) {
foreach ($filter[1] as $j => $argument) {
$filters[$i][1][$j] = $this->escapeNode($argument, $env, $type);
}
}
$expression->setFilters($filters);
$expression->prependFilter($this->getEscaperFilter($type));
return $node;
} elseif ($node instanceof Twig_Node_Print) {
return new Twig_Node_Print(new Twig_Node_Expression_Filter($expression, array($this->getEscaperFilter($type)), $node->getLine()), $node->getLine());
} else {
return new Twig_Node_Expression_Filter($node, array($this->getEscaperFilter($type)), $node->getLine());
}
}