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<?php
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/*
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 * To change this template, choose Tools | Templates
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 * and open the template in the editor.
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 */
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class WbAutoloader
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{
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    static private $aSearchpatterns = array();
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    static private $aReplacements   = array();
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    static private $aAbbreviations  = array();
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/**
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 * Register WB - CoreAutoloader as SPL autoloader
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 * @param array $aAbbreviations list of 'directory'=>'shortKey'
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 */
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    static public function doRegister(array $aAbbreviations)
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    {
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        if (!sizeof(self::$aSearchpatterns)) {
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            if (sizeof($aAbbreviations > 0)) {
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                self::$aAbbreviations = $aAbbreviations;
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                self::$aSearchpatterns[] = '/(^.[^_].*$)/i';
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                self::$aReplacements[] = basename(__DIR__).'_\1';
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                foreach ($aAbbreviations as $shortKey => $value) {
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                    self::$aSearchpatterns[] = '/^'.$shortKey.'_/i';
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                    self::$aReplacements[] = $value.'_';
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                }
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            }
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        }
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        spl_autoload_register(array(new self, 'CoreAutoloader'));
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    }
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/**
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 * tries autoloading the given class
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 * @param  string $sClassName
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 */
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    static public function CoreAutoloader($sClassName)
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    {
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        $sFileName = '';
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        $sBaseDir = trim(str_replace('\\', '/', dirname(__DIR__)), '/').'/';
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        $sClassName = preg_replace(self::$aSearchpatterns, self::$aReplacements, $sClassName);
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        $sFileName = $sBaseDir.str_replace('_', '/', $sClassName);
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        if (! is_readable($sFileName.'.php')) {
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        // alternatively search for file with prefix 'class.'
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            $sFileName = dirname($sFileName).'/class.'.basename($sFileName);
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            if (! is_readable($sFileName.'.php')) {
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                $sFileName = '';
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            }
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        }
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        if ($sFileName) { include($sFileName.'.php'); }
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    }
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/**
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 *
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 * @return array list of abbreviations
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 */
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    static public function getAbbreviations()
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    {
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        return self::$aAbbreviations;
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    }
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} // end class Autoloader
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