_handler; } /** * Sets the handler. * * @param array $handler * @return Zend_Service_Console_Command */ public function setHandler($handler) { $this->_handler = $handler; return $this; } /** * Replaces PHP's error handler * * @param mixed $errno * @param mixed $errstr * @param mixed $errfile * @param mixed $errline */ public static function phpstderr($errno, $errstr, $errfile, $errline) { self::stderr($errno . ': Error in ' . $errfile . ':' . $errline . ' - ' . $errstr); } /** * Replaces PHP's exception handler * * @param Exception $exception */ public static function phpstdex($exception) { self::stderr('Error: ' . $exception->getMessage()); } /** * Writes output to STDERR, followed by a newline (optional) * * @param string $errorMessage * @param string $newLine */ public static function stderr($errorMessage, $newLine = true) { if (error_reporting() === 0) { return; } file_put_contents('php://stderr', $errorMessage . ($newLine ? "\r\n" : '')); } /** * Bootstrap the shell command. * * @param array $argv PHP argument values. */ public static function bootstrap($argv) { // Abort bootstrapping depending on the MICROSOFT_CONSOLE_COMMAND_HOST constant. if (defined('MICROSOFT_CONSOLE_COMMAND_HOST') && strtolower(MICROSOFT_CONSOLE_COMMAND_HOST) != 'console') { return; } // Replace error handler set_error_handler(array('Zend_Service_Console_Command', 'phpstderr')); set_exception_handler(array('Zend_Service_Console_Command', 'phpstdex')); // Build the application model $model = self::_buildModel(); // Find a class that corresponds to the $argv[0] script name $requiredHandlerName = str_replace('.bat', '', str_replace('.sh', '', str_replace('.php', '', strtolower(basename($argv[0]))))); $handler = null; foreach ($model as $possibleHandler) { if ($possibleHandler->handler == strtolower($requiredHandlerName)) { $handler = $possibleHandler; break; } } if (is_null($handler)) { self::stderr("No class found that implements handler '" . $requiredHandlerName . "'. Create a class that is named '" . $requiredHandlerName . "' and extends Zend_Service_Console_Command or is decorated with a docblock comment '@command-handler " . $requiredHandlerName . "'. Make sure it is loaded either through an autoloader or explicitly using require_once()."); die(); } // Find a method that matches the command name $command = null; foreach ($handler->commands as $possibleCommand) { if (in_array(strtolower(isset($argv[1]) ? $argv[1] : ''), $possibleCommand->aliases)) { $command = $possibleCommand; break; } } if (is_null($command)) { $commandName = (isset($argv[1]) ? $argv[1] : ''); self::stderr("No method found that implements command " . $commandName . ". Create a method in class '" . $handler->class . "' that is named '" . strtolower($commandName) . "Command' or is decorated with a docblock comment '@command-name " . $commandName . "'."); die(); } // Parse parameter values $parameterValues = array(); $missingParameterValues = array(); $parameterInputs = array_splice($argv, 2); foreach ($command->parameters as $parameter) { // Default value: null $value = null; // Consult value providers for value. First one wins. foreach ($parameter->valueproviders as $valueProviderName) { if (!class_exists($valueProviderName)) { $valueProviderName = 'Zend_Service_Console_Command_ParameterSource_' . $valueProviderName; } $valueProvider = new $valueProviderName(); $value = $valueProvider->getValueForParameter($parameter, $parameterInputs); if (!is_null($value)) { break; } } if (is_null($value) && $parameter->required) { $missingParameterValues[] = $parameter->aliases[0]; } else if (is_null($value)) { $value = $parameter->defaultvalue; } // Set value $parameterValues[] = $value; $argvValues[$parameter->aliases[0]] = $value; } // Mising parameters? if (count($missingParameterValues) > 0) { self::stderr("Some parameters are missing:\r\n" . implode("\r\n", $missingParameterValues)); die(); } // Supply argv in a nice way $parameterValues['argv'] = $parameterInputs; // Run the command $className = $handler->class; $classInstance = new $className(); $classInstance->setHandler($handler); call_user_func_array(array($classInstance, $command->method), $parameterValues); // Restore error handler restore_exception_handler(); restore_error_handler(); } /** * Builds the handler model. * * @return array */ protected static function _buildModel() { $model = array(); $classes = get_declared_classes(); foreach ($classes as $class) { $type = new ReflectionClass($class); $handlers = self::_findValueForDocComment('@command-handler', $type->getDocComment()); if (count($handlers) == 0 && $type->isSubclassOf('Zend_Service_Console_Command')) { // Fallback: if the class extends Zend_Service_Console_Command, register it as // a command handler. $handlers[] = $class; } $handlerDescriptions = self::_findValueForDocComment('@command-handler-description', $type->getDocComment()); $handlerHeaders = self::_findValueForDocComment('@command-handler-header', $type->getDocComment()); $handlerFooters = self::_findValueForDocComment('@command-handler-footer', $type->getDocComment()); for ($hi = 0; $hi < count($handlers); $hi++) { $handler = $handlers[$hi]; $handlerDescription = isset($handlerDescriptions[$hi]) ? $handlerDescriptions[$hi] : isset($handlerDescriptions[0]) ? $handlerDescriptions[0] : ''; $handlerDescription = str_replace('\r\n', "\r\n", $handlerDescription); $handlerDescription = str_replace('\n', "\n", $handlerDescription); $handlerModel = (object)array( 'handler' => strtolower($handler), 'description' => $handlerDescription, 'headers' => $handlerHeaders, 'footers' => $handlerFooters, 'class' => $class, 'commands' => array() ); $methods = $type->getMethods(); foreach ($methods as $method) { $commands = self::_findValueForDocComment('@command-name', $method->getDocComment()); if (substr($method->getName(), -7) == 'Command' && !in_array(substr($method->getName(), 0, -7), $commands)) { // Fallback: if the method is named Command, // register it as a command. $commands[] = substr($method->getName(), 0, -7); } for ($x = 0; $x < count($commands); $x++) { $commands[$x] = strtolower($commands[$x]); } $commands = array_unique($commands); $commandDescriptions = self::_findValueForDocComment('@command-description', $method->getDocComment()); $commandExamples = self::_findValueForDocComment('@command-example', $method->getDocComment()); if (count($commands) > 0) { $command = $commands[0]; $commandDescription = isset($commandDescriptions[0]) ? $commandDescriptions[0] : ''; $commandModel = (object)array( 'command' => $command, 'aliases' => $commands, 'description' => $commandDescription, 'examples' => $commandExamples, 'class' => $class, 'method' => $method->getName(), 'parameters' => array() ); $parameters = $method->getParameters(); $parametersFor = self::_findValueForDocComment('@command-parameter-for', $method->getDocComment()); for ($pi = 0; $pi < count($parameters); $pi++) { // Initialize $parameter = $parameters[$pi]; $parameterFor = null; $parameterForDefaultValue = null; // Is it a "catch-all" parameter? if ($parameter->getName() == 'argv') { continue; } // Find the $parametersFor with the same name defined foreach ($parametersFor as $possibleParameterFor) { $possibleParameterFor = explode(' ', $possibleParameterFor, 4); if ($possibleParameterFor[0] == '$' . $parameter->getName()) { $parameterFor = $possibleParameterFor; break; } } if (is_null($parameterFor)) { die('@command-parameter-for missing for parameter $' . $parameter->getName()); } if (is_null($parameterForDefaultValue) && $parameter->isOptional()) { $parameterForDefaultValue = $parameter->getDefaultValue(); } $parameterModel = (object)array( 'name' => '$' . $parameter->getName(), 'defaultvalue' => $parameterForDefaultValue, 'valueproviders' => explode('|', $parameterFor[1]), 'aliases' => explode('|', $parameterFor[2]), 'description' => (isset($parameterFor[3]) ? $parameterFor[3] : ''), 'required' => (isset($parameterFor[3]) ? strpos(strtolower($parameterFor[3]), 'required') !== false && strpos(strtolower($parameterFor[3]), 'required if') === false : false), ); // Add to model $commandModel->parameters[] = $parameterModel; } // Add to model $handlerModel->commands[] = $commandModel; } } // Add to model $model[] = $handlerModel; } } return $model; } /** * Finds the value for a specific docComment. * * @param string $docCommentName Comment name * @param unknown_type $docComment Comment object * @return array */ protected static function _findValueForDocComment($docCommentName, $docComment) { $returnValue = array(); $commentLines = explode("\n", $docComment); foreach ($commentLines as $commentLine) { if (strpos($commentLine, $docCommentName . ' ') !== false) { $returnValue[] = trim(substr($commentLine, strpos($commentLine, $docCommentName) + strlen($docCommentName) + 1)); } } return $returnValue; } /** * Display information on an object * * @param object $object Object * @param array $propertiesToDump Property names to display */ protected function _displayObjectInformation($object, $propertiesToDump = array()) { foreach ($propertiesToDump as $property) { printf('%-16s: %s' . "\r\n", $property, $object->$property); } printf("\r\n"); } /** * Displays the help information. * * @command-name * @command-name -h * @command-name -help * @command-description Displays the current help information. */ public function helpCommand() { $handler = $this->getHandler(); $newline = "\r\n"; if (count($handler->headers) > 0) { foreach ($handler->headers as $header) { printf('%s%s', $header, $newline); } printf($newline); } printf('%s%s', $handler->description, $newline); printf($newline); printf('Available commands:%s', $newline); foreach ($handler->commands as $command) { $description = str_split($command->description, 50); printf(' %-25s %s%s', implode(', ', $command->aliases), $description[0], $newline); for ($di = 1; $di < count($description); $di++) { printf(' %-25s %s%s', '', $description[$di], $newline); } printf($newline); if (count($command->parameters) > 0) { foreach ($command->parameters as $parameter) { $description = str_split($parameter->description, 50); printf(' %-23s %s%s', implode(', ', $parameter->aliases), $description[0], $newline); for ($di = 1; $di < count($description); $di++) { printf(' %-23s %s%s', '', $description[$di], $newline); } printf($newline); } } printf($newline); if (count($command->examples) > 0) { printf(' Example usage:%s', $newline); foreach ($command->examples as $example) { printf(' %s%s', $example, $newline); } printf($newline); } } if (count($handler->footers) > 0) { printf($newline); foreach ($handler->footers as $footer) { printf('%s%s', $footer, $newline); } printf($newline); } } }