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<?php |
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namespace dokuwiki\Debug; |
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use Doku_Event; |
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use dokuwiki\Extension\EventHandler; |
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class DebugHelper |
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{ |
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const INFO_DEPRECATION_LOG_EVENT = 'INFO_DEPRECATION_LOG'; |
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/** |
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* Log accesses to deprecated fucntions to the debug log |
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* |
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* @param string $alternative (optional) The function or method that should be used instead |
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* @param int $callerOffset (optional) How far the deprecated method is removed from this one |
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* |
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* @triggers \dokuwiki\Debug::INFO_DEPRECATION_LOG_EVENT |
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*/ |
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public static function dbgDeprecatedFunction($alternative = '', $callerOffset = 1) |
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{ |
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global $conf; |
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/** @var EventHandler $EVENT_HANDLER */ |
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global $EVENT_HANDLER; |
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if ( |
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!$conf['allowdebug'] && |
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($EVENT_HANDLER === null || !$EVENT_HANDLER->hasHandlerForEvent('INFO_DEPRECATION_LOG')) |
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){ |
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// avoid any work if no one cares |
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return; |
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} |
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$backtrace = debug_backtrace(); |
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for ($i = 0; $i < $callerOffset; $i += 1) { |
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array_shift($backtrace); |
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} |
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list($self, $call) = $backtrace; |
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self::triggerDeprecationEvent( |
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$backtrace, |
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$alternative, |
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trim($self['class'] . '::' . $self['function'] . '()', ':'), |
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trim($call['class'] . '::' . $call['function'] . '()', ':'), |
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$call['file'], |
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$call['line'] |
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); |
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} |
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/** |
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* This marks logs a deprecation warning for a property that should no longer be used |
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* |
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* This is usually called withing a magic getter or setter. |
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* For logging deprecated functions or methods see dbgDeprecatedFunction() |
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* |
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* @param string $class The class with the deprecated property |
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* @param string $propertyName The name of the deprecated property |
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* |
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* @triggers \dokuwiki\Debug::INFO_DEPRECATION_LOG_EVENT |
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*/ |
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public static function dbgDeprecatedProperty($class, $propertyName) |
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{ |
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global $conf; |
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global $EVENT_HANDLER; |
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if (!$conf['allowdebug'] && !$EVENT_HANDLER->hasHandlerForEvent(self::INFO_DEPRECATION_LOG_EVENT)) { |
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// avoid any work if no one cares |
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return; |
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} |
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$backtrace = debug_backtrace(); |
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array_shift($backtrace); |
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$call = $backtrace[1]; |
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$caller = trim($call['class'] . '::' . $call['function'] . '()', ':'); |
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$qualifiedName = $class . '::$' . $propertyName; |
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self::triggerDeprecationEvent( |
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$backtrace, |
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'', |
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$qualifiedName, |
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$caller, |
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$backtrace[0]['file'], |
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$backtrace[0]['line'] |
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); |
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} |
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/** |
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* Trigger a custom deprecation event |
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* |
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* Usually dbgDeprecatedFunction() or dbgDeprecatedProperty() should be used instead. |
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* This method is intended only for those situation where they are not applicable. |
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* |
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* @param string $alternative |
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* @param string $deprecatedThing |
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* @param string $caller |
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* @param string $file |
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* @param int $line |
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* @param int $callerOffset How many lines should be removed from the beginning of the backtrace |
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*/ |
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public static function dbgCustomDeprecationEvent( |
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$alternative, |
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$deprecatedThing, |
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$caller, |
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$file, |
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$line, |
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$callerOffset = 1 |
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) { |
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global $conf; |
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/** @var EventHandler $EVENT_HANDLER */ |
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global $EVENT_HANDLER; |
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if (!$conf['allowdebug'] && !$EVENT_HANDLER->hasHandlerForEvent(self::INFO_DEPRECATION_LOG_EVENT)) { |
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// avoid any work if no one cares |
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return; |
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} |
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$backtrace = array_slice(debug_backtrace(), $callerOffset); |
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self::triggerDeprecationEvent( |
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$backtrace, |
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$alternative, |
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$deprecatedThing, |
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$caller, |
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$file, |
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$line |
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); |
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} |
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/** |
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* @param array $backtrace |
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* @param string $alternative |
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* @param string $deprecatedThing |
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* @param string $caller |
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* @param string $file |
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* @param int $line |
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*/ |
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private static function triggerDeprecationEvent( |
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array $backtrace, |
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$alternative, |
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$deprecatedThing, |
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$caller, |
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$file, |
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$line |
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) { |
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$data = [ |
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'trace' => $backtrace, |
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'alternative' => $alternative, |
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'called' => $deprecatedThing, |
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'caller' => $caller, |
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'file' => $file, |
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'line' => $line, |
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]; |
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$event = new Doku_Event(self::INFO_DEPRECATION_LOG_EVENT, $data); |
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if ($event->advise_before()) { |
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$msg = $event->data['called'] . ' is deprecated. It was called from '; |
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$msg .= $event->data['caller'] . ' in ' . $event->data['file'] . ':' . $event->data['line']; |
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if ($event->data['alternative']) { |
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$msg .= ' ' . $event->data['alternative'] . ' should be used instead!'; |
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} |
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dbglog($msg); |
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} |
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$event->advise_after(); |
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} |
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} |
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splitbrain /
dokuwiki
