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efrain |
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<?php
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/**
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* Defines allowed child nodes and validates nodes against it.
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*/
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abstract class HTMLPurifier_ChildDef
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{
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/**
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* Type of child definition, usually right-most part of class name lowercase.
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* Used occasionally in terms of context.
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* @type string
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*/
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public $type;
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/**
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* Indicates whether or not an empty array of children is okay.
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*
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* This is necessary for redundant checking when changes affecting
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* a child node may cause a parent node to now be disallowed.
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* @type bool
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*/
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public $allow_empty;
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/**
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* Lookup array of all elements that this definition could possibly allow.
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* @type array
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*/
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public $elements = array();
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/**
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* Get lookup of tag names that should not close this element automatically.
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* All other elements will do so.
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* @param HTMLPurifier_Config $config HTMLPurifier_Config object
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* @return array
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*/
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public function getAllowedElements($config)
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{
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return $this->elements;
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}
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/**
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* Validates nodes according to definition and returns modification.
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*
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* @param HTMLPurifier_Node[] $children Array of HTMLPurifier_Node
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* @param HTMLPurifier_Config $config HTMLPurifier_Config object
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* @param HTMLPurifier_Context $context HTMLPurifier_Context object
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* @return bool|array true to leave nodes as is, false to remove parent node, array of replacement children
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*/
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abstract public function validateChildren($children, $config, $context);
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}
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// vim: et sw=4 sts=4
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