| 1: | <?php |
| 2: | /** |
| 3: | * XOOPS Kernel Class |
| 4: | * |
| 5: | * You may not change or alter any portion of this comment or credits |
| 6: | * of supporting developers from this source code or any supporting source code |
| 7: | * which is considered copyrighted (c) material of the original comment or credit authors. |
| 8: | * This program is distributed in the hope that it will be useful, |
| 9: | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10: | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 11: | * |
| 12: | * @copyright (c) 2000-2016 XOOPS Project (www.xoops.org) |
| 13: | * @license GNU GPL 2 (https://www.gnu.org/licenses/gpl-2.0.html) |
| 14: | * @package kernel |
| 15: | * @since 2.0.0 |
| 16: | * @author Kazumi Ono (AKA onokazu) http://www.myweb.ne.jp/, http://jp.xoops.org/ |
| 17: | */ |
| 18: | defined('XOOPS_ROOT_PATH') || exit('Restricted access'); |
| 19: | |
| 20: | /** |
| 21: | * A registry for holding references to {@link XoopsObjectHandler} classes |
| 22: | * |
| 23: | * @package kernel |
| 24: | * |
| 25: | * @author Kazumi Ono <onokazu@xoops.org> |
| 26: | * @copyright (c) 2000-2016 XOOPS Project (www.xoops.org) |
| 27: | */ |
| 28: | class XoopsHandlerRegistry |
| 29: | { |
| 30: | /** |
| 31: | * holds references to handler class objects |
| 32: | * |
| 33: | * @var array |
| 34: | * @access private |
| 35: | */ |
| 36: | public $_handlers = array(); |
| 37: | |
| 38: | /** |
| 39: | * get a reference to the only instance of this class |
| 40: | * |
| 41: | * if the class has not been instantiated yet, this will also take |
| 42: | * care of that |
| 43: | * |
| 44: | * @static |
| 45: | * @staticvar object The only instance of this class |
| 46: | * @return XoopsHandlerRegistry Reference to the only instance of this class |
| 47: | */ |
| 48: | public function instance() |
| 49: | { |
| 50: | static $instance; |
| 51: | if (!isset($instance)) { |
| 52: | $instance = new XoopsHandlerRegistry(); |
| 53: | } |
| 54: | |
| 55: | return $instance; |
| 56: | } |
| 57: | |
| 58: | /** |
| 59: | * Register a handler class object |
| 60: | * |
| 61: | * @param string $name Short name of a handler class |
| 62: | * @param XoopsObjectHandler &$handler {@link XoopsObjectHandler} class object |
| 63: | */ |
| 64: | public function setHandler($name, XoopsObjectHandler $handler) |
| 65: | { |
| 66: | $this->_handlers['kernel'][$name] =& $handler; |
| 67: | } |
| 68: | |
| 69: | /** |
| 70: | * Get a registered handler class object |
| 71: | * |
| 72: | * @param string $name Short name of a handler class |
| 73: | * |
| 74: | * @return XoopsObjectHandler|false {@link XoopsObjectHandler}, FALSE if not registered |
| 75: | */ |
| 76: | public function getHandler($name) |
| 77: | { |
| 78: | if (!isset($this->_handlers['kernel'][$name])) { |
| 79: | return false; |
| 80: | } |
| 81: | |
| 82: | return $this->_handlers['kernel'][$name]; |
| 83: | } |
| 84: | |
| 85: | /** |
| 86: | * Unregister a handler class object |
| 87: | * |
| 88: | * @param string $name Short name of a handler class |
| 89: | */ |
| 90: | public function unsetHandler($name) |
| 91: | { |
| 92: | unset($this->_handlers['kernel'][$name]); |
| 93: | } |
| 94: | |
| 95: | /** |
| 96: | * Register a handler class object for a module |
| 97: | * |
| 98: | * @param string $module Directory name of a module |
| 99: | * @param string $name Short name of a handler class |
| 100: | * @param XoopsObjectHandler &$handler {@link XoopsObjectHandler} class object |
| 101: | */ |
| 102: | public function setModuleHandler($module, $name, XoopsObjectHandler $handler) |
| 103: | { |
| 104: | $this->_handlers['module'][$module][$name] =& $handler; |
| 105: | } |
| 106: | |
| 107: | /** |
| 108: | * Get a registered handler class object for a module |
| 109: | * |
| 110: | * @param string $module Directory name of a module |
| 111: | * @param string $name Short name of a handler class |
| 112: | * |
| 113: | * @return XoopsObjectHandler|false {@link XoopsObjectHandler}, FALSE if not registered |
| 114: | */ |
| 115: | public function getModuleHandler($module, $name) |
| 116: | { |
| 117: | if (!isset($this->_handlers['module'][$module][$name])) { |
| 118: | return false; |
| 119: | } |
| 120: | |
| 121: | return $this->_handlers['module'][$module][$name]; |
| 122: | } |
| 123: | |
| 124: | /** |
| 125: | * Unregister a handler class object for a module |
| 126: | * |
| 127: | * @param string $module Directory name of a module |
| 128: | * @param string $name Short name of a handler class |
| 129: | */ |
| 130: | public function unsetModuleHandler($module, $name) |
| 131: | { |
| 132: | unset($this->_handlers['module'][$module][$name]); |
| 133: | } |
| 134: | } |
| 135: |