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joko |
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<? |
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// --------------------------------------------------------------------------- |
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joko |
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// $Id: Bridge.php,v 1.1 2003/02/03 03:33:48 joko Exp $ |
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joko |
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// --------------------------------------------------------------------------- |
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joko |
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// $Log: Bridge.php,v $ |
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// Revision 1.1 2003/02/03 03:33:48 joko |
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// + initial commit |
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// |
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joko |
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// --------------------------------------------------------------------------- |
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class DesignPattern_Bridge extends DesignPattern_Logger { |
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function DesignPattern_Bridge($classname, $attributes = null) { |
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//return $this->_mkInstance($classname, $attributes); |
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$this = $this->_mkInstance($classname, $attributes); |
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//return $this; |
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} |
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function &_mkInstance($classname, $attributes = null) { |
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$this->log( get_class($this) . "->_mkInstance( classname $classname )", LOG_DEBUG ); |
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if (isset($attributes)) { |
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$instance = new $classname($attributes); |
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} else { |
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$instance = new $classname; |
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} |
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return $instance; |
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} |
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function _mkEmbeddedObjects($args) { |
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$this->log( get_class($this) . "->_mkEmbeddedObjects()", LOG_DEBUG ); |
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foreach ($args[class_names] as $classname) { |
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// build objectname from classname |
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// - make lowercase |
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// - strip leading "Xyz_" ('Site_' here) |
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$objectname = $classname; |
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$objectname = str_replace('Site_', '', $objectname); |
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$objectname = strtolower($objectname); |
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// create new instance of helper object by classname |
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$this->$objectname = &$this->_mkInstance($classname); |
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// create additional references to helper object with other names if requested |
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// the intention is (e.g.) to migrate objects over to new reference-names when development progresses and ... |
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// ... refactoring the object hierarchy is needed, but ... |
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// ... you wanna provide the old reference names as "fallbacks" for old code using the libs |
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if (is_array($args[ref_names])) { |
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foreach ($args[ref_names] as $ref_name) { |
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//print "mkRef: $ref_name<br>"; |
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$this->$ref_name = &$this->$objectname; |
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} |
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} |
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// helper gets reference to ourselves as a parent |
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$this->$objectname->$args[parent_name] = &$this; |
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if ( $method = $args[run] ) { |
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if (method_exists($this->$objectname, $method)) { |
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$this->log( get_class($this) . "->_mkEmbeddedObjects: calling method \$this->" . $objectname . "->$method()", LOG_DEBUG ); |
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$this->$objectname->$method(); |
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} |
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} |
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} |
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} |
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function _init_logger() { |
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// Log |
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// valid logging-levels are: |
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// LOG_EMERG, LOG_ALERT, LOG_CRIT, |
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// LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO, and LOG_DEBUG. |
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// The default is LOG_INFO. |
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$logfile = 'log.txt'; |
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$logfile = $this->config[path][base] . "core/var/log/logfile.txt"; |
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// TODO: maybe include userid here? |
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//$log_ident = substr(session_id(), 10, 6); |
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$log_ident = session_id(); |
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if ($this->config[mode][LOG]) { |
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$this->logger = &Log::singleton('file', $logfile, $log_ident); |
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//$site->logger = new Log_file($logfile, $log_ident); |
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} else { |
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$this->logger = &Log::singleton('dummy', $logfile, $log_ident); |
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} |
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$this->log( get_class($this) . "->_init_logger: ready\t\t--------------------", LOG_DEBUG ); |
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} |
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} |
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?> |
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