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Convert HTMLPurifier_Config to use property list backend.

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Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>
This commit is contained in:
Edward Z. Yang
2009-02-02 18:42:23 -05:00
parent b31f280d41
commit b9094d5ec8
6 changed files with 71 additions and 36 deletions
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22
library/HTMLPurifier/PropertyList.php
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@@ -15,11 +15,18 @@ class HTMLPurifier_PropertyList
*/
protected $parent;
protected $cache;
public function __construct($parent = null) {
$this->parent = $parent;
}
/**
* Recursively retrieves the value for a key
*/
public function get($name) {
if ($this->has($name)) return $this->data[$name];
// possible performance bottleneck, convert to iterative if necessary
if ($this->parent) return $this->parent->get($name);
throw new HTMLPurifier_Exception("Key '$name' not found");
}
@@ -48,12 +55,17 @@ class HTMLPurifier_PropertyList
}
/**
* Returns an iterator for traversing this array, optionally filtering
* for a certain prefix.
* Squashes this property list and all of its property lists into a single
* array, and returns the array. This value is cached by default.
* @param $force If true, ignores the cache and regenerates the array.
*/
public function getIterator($filter = null) {
$a = new ArrayObject($this->data);
return new HTMLPurifier_PropertyListIterator($a->getIterator(), $filter);
public function squash($force = false) {
if ($this->cache !== null && !$force) return $this->cache;
if ($this->parent) {
return $this->cache = array_merge($this->parent->squash($force), $this->data);
} else {
return $this->cache = $this->data;
}
}
/**