\tickyload

<?php

/**
 * +----------------------------------------------------------------------
 * | TickyPHP [ This is a freeware ]
 * +----------------------------------------------------------------------
 * | Copyright (c) 2015 All rights reserved.
 * +----------------------------------------------------------------------
 * | Author: 罗敏贵 <e-mail:minguiluo@163.com> <QQ:271391233>
 * +----------------------------------------------------------------------
 * | SVN: $Id: load.php 09594 2018-09-04 09:29:53 luomingui $
 * +----------------------------------------------------------------------
 * | 文件功能：加载文件
 * +----------------------------------------------------------------------
 */

namespace ticky;

class load {

    /**
     * 加载类文件函数
     * @param string $classname 类名
     * @param string $path 扩展地址
     * @param intger $initialize 是否初始化
     */
    private static function _load_class($classname, $path = '', $initialize = 1) {
        static $classes = array();
        if (empty($path))
            $path = ROOT_PATH . 'tickyphp' . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR;

        $key = md5($path . $classname);
        if (isset($classes[$key])) {
            return !empty($classes[$key]) ? $classes[$key] : true;
        }
        if (!is_file($path . DIRECTORY_SEPARATOR . $classname . EXT)) {
            return false;
        }

        include $path . DIRECTORY_SEPARATOR . $classname . EXT;
        if ($initialize) {
            $classes[$key] = new $classname;
        } else {
            $classes[$key] = true;
        }
        return $classes[$key];
    }

    /**
     * 加载系统类方法
     * @param string $classname 类名
     * @param string $path 扩展地址
     * @param intger $initialize 是否初始化
     * @return object or true
     */
    public static function load_sys_class($classname, $path = '', $initialize = 1) {
        return self::_load_class($classname, $path, $initialize);
    }

    /**
     * 加载系统的函数库
     * function_*.php
     * @param string $func 函数库名
     */
    public static function load_sys_func($func) {
        if (is_file(ROOT_PATH . 'tickyphp' . DIRECTORY_SEPARATOR . 'function' . DIRECTORY_SEPARATOR . 'function_' . $func . '.php')) {
            include ROOT_PATH . 'tickyphp' . DIRECTORY_SEPARATOR . 'function' . DIRECTORY_SEPARATOR . 'function_' . $func . '.php';
        }
    }

    /**
     * 加载控制器
     * @param string $c 控制器名
     * @param string $m 模块
     * @param intger $initialize 是否初始化
     * @return object or true
     */
    public static function load_controller($c, $m = '', $initialize = 1) {
        $m = empty($m) ? MODULE_NAME : $m;
        if (empty($m))
            return false;
        return self::_load_class($c, APP_PATH . $m . DIRECTORY_SEPARATOR . 'controller', $initialize);
    }

    /**
     * 加载模型
     * @param string $classname 模型名
     * @param string $m 模块
     * @param intger $initialize 是否初始化
     * @return object or true
     */
    public static function load_model($classname, $m = '', $initialize = 1) {
        $m = empty($m) ? MODULE_NAME : $m;
        if (empty($m))
            return false;
        return self::_load_class($classname, APP_PATH . $m . DIRECTORY_SEPARATOR . 'models', $initialize);
    }

}