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authorAndreas Baumann <mail@andreasbaumann.cc>2020-02-01 09:05:48 +0100
committerAndreas Baumann <mail@andreasbaumann.cc>2020-02-01 09:05:48 +0100
commit6854cb3f4d8219cf1829e32122eb2502a916eae9 (patch)
tree350feb504587d932e02837a1442b059759927646 /vendor/ezyang/htmlpurifier/library/HTMLPurifier/PropertyList.php
initial checkin
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/PropertyList.php')
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/PropertyList.php122
1 files changed, 122 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/PropertyList.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/PropertyList.php
new file mode 100644
index 0000000..189348f
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/PropertyList.php
@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * Generic property list implementation
+ */
+class HTMLPurifier_PropertyList
+{
+ /**
+ * Internal data-structure for properties.
+ * @type array
+ */
+ protected $data = array();
+
+ /**
+ * Parent plist.
+ * @type HTMLPurifier_PropertyList
+ */
+ protected $parent;
+
+ /**
+ * Cache.
+ * @type array
+ */
+ protected $cache;
+
+ /**
+ * @param HTMLPurifier_PropertyList $parent Parent plist
+ */
+ public function __construct($parent = null)
+ {
+ $this->parent = $parent;
+ }
+
+ /**
+ * Recursively retrieves the value for a key
+ * @param string $name
+ * @throws HTMLPurifier_Exception
+ */
+ public function get($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");
+ }
+
+ /**
+ * Sets the value of a key, for this plist
+ * @param string $name
+ * @param mixed $value
+ */
+ public function set($name, $value)
+ {
+ $this->data[$name] = $value;
+ }
+
+ /**
+ * Returns true if a given key exists
+ * @param string $name
+ * @return bool
+ */
+ public function has($name)
+ {
+ return array_key_exists($name, $this->data);
+ }
+
+ /**
+ * Resets a value to the value of it's parent, usually the default. If
+ * no value is specified, the entire plist is reset.
+ * @param string $name
+ */
+ public function reset($name = null)
+ {
+ if ($name == null) {
+ $this->data = array();
+ } else {
+ unset($this->data[$name]);
+ }
+ }
+
+ /**
+ * 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 bool $force If true, ignores the cache and regenerates the array.
+ * @return array
+ */
+ public function squash($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;
+ }
+ }
+
+ /**
+ * Returns the parent plist.
+ * @return HTMLPurifier_PropertyList
+ */
+ public function getParent()
+ {
+ return $this->parent;
+ }
+
+ /**
+ * Sets the parent plist.
+ * @param HTMLPurifier_PropertyList $plist Parent plist
+ */
+ public function setParent($plist)
+ {
+ $this->parent = $plist;
+ }
+}
+
+// vim: et sw=4 sts=4