projects / github / wallabag / wallabag.git / blame
| Commit | Line | Data |
|---|---|---|
| d4949327 NL |
1 | <?php\r |
| 2 | \r | |
| 3 | /**\r | |
| 4 | * Generic property list implementation\r | |
| 5 | */\r | |
| 6 | class HTMLPurifier_PropertyList\r | |
| 7 | {\r | |
| 8 | /**\r | |
| 9 | * Internal data-structure for properties.\r | |
| 10 | * @type array\r | |
| 11 | */\r | |
| 12 | protected $data = array();\r | |
| 13 | \r | |
| 14 | /**\r | |
| 15 | * Parent plist.\r | |
| 16 | * @type HTMLPurifier_PropertyList\r | |
| 17 | */\r | |
| 18 | protected $parent;\r | |
| 19 | \r | |
| 20 | /**\r | |
| 21 | * Cache.\r | |
| 22 | * @type array\r | |
| 23 | */\r | |
| 24 | protected $cache;\r | |
| 25 | \r | |
| 26 | /**\r | |
| 27 | * @param HTMLPurifier_PropertyList $parent Parent plist\r | |
| 28 | */\r | |
| 29 | public function __construct($parent = null)\r | |
| 30 | {\r | |
| 31 | $this->parent = $parent;\r | |
| 32 | }\r | |
| 33 | \r | |
| 34 | /**\r | |
| 35 | * Recursively retrieves the value for a key\r | |
| 36 | * @param string $name\r | |
| 37 | * @throws HTMLPurifier_Exception\r | |
| 38 | */\r | |
| 39 | public function get($name)\r | |
| 40 | {\r | |
| 41 | if ($this->has($name)) {\r | |
| 42 | return $this->data[$name];\r | |
| 43 | }\r | |
| 44 | // possible performance bottleneck, convert to iterative if necessary\r | |
| 45 | if ($this->parent) {\r | |
| 46 | return $this->parent->get($name);\r | |
| 47 | }\r | |
| 48 | throw new HTMLPurifier_Exception("Key '$name' not found");\r | |
| 49 | }\r | |
| 50 | \r | |
| 51 | /**\r | |
| 52 | * Sets the value of a key, for this plist\r | |
| 53 | * @param string $name\r | |
| 54 | * @param mixed $value\r | |
| 55 | */\r | |
| 56 | public function set($name, $value)\r | |
| 57 | {\r | |
| 58 | $this->data[$name] = $value;\r | |
| 59 | }\r | |
| 60 | \r | |
| 61 | /**\r | |
| 62 | * Returns true if a given key exists\r | |
| 63 | * @param string $name\r | |
| 64 | * @return bool\r | |
| 65 | */\r | |
| 66 | public function has($name)\r | |
| 67 | {\r | |
| 68 | return array_key_exists($name, $this->data);\r | |
| 69 | }\r | |
| 70 | \r | |
| 71 | /**\r | |
| 72 | * Resets a value to the value of it's parent, usually the default. If\r | |
| 73 | * no value is specified, the entire plist is reset.\r | |
| 74 | * @param string $name\r | |
| 75 | */\r | |
| 76 | public function reset($name = null)\r | |
| 77 | {\r | |
| 78 | if ($name == null) {\r | |
| 79 | $this->data = array();\r | |
| 80 | } else {\r | |
| 81 | unset($this->data[$name]);\r | |
| 82 | }\r | |
| 83 | }\r | |
| 84 | \r | |
| 85 | /**\r | |
| 86 | * Squashes this property list and all of its property lists into a single\r | |
| 87 | * array, and returns the array. This value is cached by default.\r | |
| 88 | * @param bool $force If true, ignores the cache and regenerates the array.\r | |
| 89 | * @return array\r | |
| 90 | */\r | |
| 91 | public function squash($force = false)\r | |
| 92 | {\r | |
| 93 | if ($this->cache !== null && !$force) {\r | |
| 94 | return $this->cache;\r | |
| 95 | }\r | |
| 96 | if ($this->parent) {\r | |
| 97 | return $this->cache = array_merge($this->parent->squash($force), $this->data);\r | |
| 98 | } else {\r | |
| 99 | return $this->cache = $this->data;\r | |
| 100 | }\r | |
| 101 | }\r | |
| 102 | \r | |
| 103 | /**\r | |
| 104 | * Returns the parent plist.\r | |
| 105 | * @return HTMLPurifier_PropertyList\r | |
| 106 | */\r | |
| 107 | public function getParent()\r | |
| 108 | {\r | |
| 109 | return $this->parent;\r | |
| 110 | }\r | |
| 111 | \r | |
| 112 | /**\r | |
| 113 | * Sets the parent plist.\r | |
| 114 | * @param HTMLPurifier_PropertyList $plist Parent plist\r | |
| 115 | */\r | |
| 116 | public function setParent($plist)\r | |
| 117 | {\r | |
| 118 | $this->parent = $plist;\r | |
| 119 | }\r | |
| 120 | }\r | |
| 121 | \r | |
| 122 | // vim: et sw=4 sts=4\r |