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<?php |
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/** |
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* File containing the {@see Mailcode_Commands_Command} class. |
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* |
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* @package Mailcode |
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* @subpackage Commands |
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* @see Mailcode_Commands_Command |
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*/ |
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declare(strict_types=1); |
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namespace Mailcode; |
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/** |
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* Base command class with the common functionality for all commands. |
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* |
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* @package Mailcode |
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* @subpackage Commands |
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* @author Sebastian Mordziol <[email protected]> |
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*/ |
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abstract class Mailcode_Commands_Command |
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{ |
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const ERROR_NON_DUMMY_OPERATION = 46001; |
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const ERROR_NO_VALIDATION_RESULT_AVAILABLE = 46002; |
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const ERROR_MISSING_VALIDATION_METHOD = 46003; |
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const ERROR_MISSING_TYPE_INTERFACE = 46004; |
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const ERROR_LOGIC_COMMANDS_NOT_SUPPORTED = 46005; |
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const VALIDATION_MISSING_PARAMETERS = 48301; |
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const VALIDATION_ADDONS_NOT_SUPPORTED = 48302; |
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const VALIDATION_ADDON_NOT_SUPPORTED = 48303; |
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const VALIDATION_UNKNOWN_COMMAND_NAME = 48304; |
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const VALIDATION_INVALID_PARAMS_STATEMENT = 48305; |
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/** |
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* @var string |
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*/ |
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protected $type = ''; |
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/** |
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* @var string |
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*/ |
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protected $paramsString = ''; |
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/** |
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* @var string |
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*/ |
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protected $matchedText = ''; |
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/** |
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* @var string |
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*/ |
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protected $hash = ''; |
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/** |
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* @var \AppUtils\OperationResult |
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*/ |
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protected $validationResult = null; |
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/** |
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* @var \Mailcode\Mailcode |
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*/ |
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protected $mailcode; |
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/** |
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* @var \Mailcode\Mailcode_Parser_Statement |
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*/ |
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protected $params; |
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/** |
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* @var string[] |
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*/ |
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protected $validations = array( |
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'params_empty', |
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'params_keywords', |
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'params_parse', |
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'type_supported', |
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'type_unsupported' |
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); |
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/** |
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* @var string |
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*/ |
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protected $comment = ''; |
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/** |
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* @var Mailcode_Commands_LogicKeywords|NULL |
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*/ |
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protected $logicKeywords; |
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/** |
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* @var Mailcode_Parser_Statement_Validator |
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*/ |
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protected $validator; |
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/** |
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* @var boolean |
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*/ |
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private $validated = false; |
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/** |
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* Collection of parameters for the translation backend. |
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* @var array<string,mixed> |
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*/ |
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protected $translationParams = array(); |
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public function __construct(string $type='', string $paramsString='', string $matchedText='') |
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{ |
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$this->type = $type; |
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$this->paramsString = html_entity_decode($paramsString); |
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$this->matchedText = $matchedText; |
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$this->mailcode = Mailcode::create(); |
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$this->validationResult = new \AppUtils\OperationResult($this); |
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$this->init(); |
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} |
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protected function init() : void |
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{ |
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} |
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/** |
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* @return string The ID of the command = the name of the command class file. |
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*/ |
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public function getID() : string |
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{ |
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// account for commands with types: If_Variable should still return If. |
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$base = str_replace(Mailcode_Commands_Command::class.'_', '', get_class($this)); |
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$tokens = explode('_', $base); |
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return array_shift($tokens); |
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} |
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/** |
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* Sets an optional comment that is not used anywhere, but |
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* can be used by the application to track why a command is |
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* used somewhere. |
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* |
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* @param string $comment |
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* @return Mailcode_Commands_Command |
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*/ |
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public function setComment(string $comment) : Mailcode_Commands_Command |
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{ |
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$this->comment = $comment; |
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return $this; |
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} |
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/** |
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* Retrieves the previously set comment, if any. |
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* |
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* @return string |
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*/ |
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public function getComment() : string |
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{ |
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return $this->comment; |
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} |
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/** |
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* Checks whether this is a dummy command, which is only |
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* used to access information on the command type. It cannot |
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* be used as an actual live command. |
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* |
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* @return bool |
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*/ |
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public function isDummy() : bool |
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{ |
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return $this->type === '__dummy'; |
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} |
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/** |
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* Retrieves a hash of the actual matched command string, |
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* which is used in collections to detect duplicate commands. |
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* |
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* @return string |
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*/ |
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public function getHash() : string |
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{ |
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$this->requireNonDummy(); |
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if($this->hash === '') { |
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$this->hash = md5($this->matchedText); |
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} |
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return $this->hash; |
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} |
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protected function requireNonDummy() : void |
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{ |
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if(!$this->isDummy()) |
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{ |
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return; |
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} |
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throw new Mailcode_Exception( |
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'Operation not allowed with dummy commands', |
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null, |
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self::ERROR_NON_DUMMY_OPERATION |
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); |
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} |
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public function isValid() : bool |
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{ |
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return $this->validate()->isValid(); |
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} |
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protected function validate() : \AppUtils\OperationResult |
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{ |
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if(!$this->validated) |
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{ |
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$this->requireNonDummy(); |
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$this->validateSyntax(); |
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$this->validated = true; |
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} |
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return $this->validationResult; |
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} |
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public function getValidationResult() : \AppUtils\OperationResult |
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{ |
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if(isset($this->validationResult)) |
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{ |
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return $this->validationResult; |
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} |
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throw new Mailcode_Exception( |
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'No validation result available', |
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'The command has no validation error, the validation result cannot be accessed.', |
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self::ERROR_NO_VALIDATION_RESULT_AVAILABLE |
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); |
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} |
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protected function validateSyntax() : void |
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{ |
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$validations = array_merge($this->validations, $this->getValidations()); |
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foreach($validations as $validation) |
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{ |
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// break off at the first validation issue |
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if(!$this->validateSyntaxMethod($validation)) |
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{ |
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return; |
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} |
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} |
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} |
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protected function validateSyntaxMethod(string $validation) : bool |
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{ |
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$method = 'validateSyntax_'.$validation; |
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if(!method_exists($this, $method)) |
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{ |
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throw new Mailcode_Exception( |
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'Missing validation method ['.$validation.']', |
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sprintf( |
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'The method [%s] is missing from class [%s].', |
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$method, |
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get_class($this) |
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), |
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self::ERROR_MISSING_VALIDATION_METHOD |
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); |
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} |
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$this->$method(); |
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return $this->validationResult->isValid(); |
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} |
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/** |
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* @return string[] |
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*/ |
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abstract protected function getValidations() : array; |
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protected function validateSyntax_params_empty() : void |
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{ |
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if(!$this->requiresParameters()) |
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{ |
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return; |
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} |
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if(empty($this->paramsString)) |
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{ |
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$this->validationResult->makeError( |
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t('Parameters have to be specified.'), |
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self::VALIDATION_MISSING_PARAMETERS |
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); |
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return; |
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} |
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} |
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protected function validateSyntax_params_keywords() : void |
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{ |
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if(!$this->supportsLogicKeywords()) |
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{ |
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return; |
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} |
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$this->logicKeywords = new Mailcode_Commands_LogicKeywords($this, $this->paramsString); |
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if(!$this->logicKeywords->isValid()) |
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{ |
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$this->validationResult->makeError( |
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t('Invalid parameters:').' '.$this->logicKeywords->getErrorMessage(), |
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$this->logicKeywords->getCode() |
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); |
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return; |
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} |
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$this->paramsString = $this->logicKeywords->getMainParamsString(); |
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} |
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protected function validateSyntax_params_parse() : void |
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{ |
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if(!$this->requiresParameters()) |
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{ |
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return; |
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} |
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$this->params = $this->mailcode->getParser()->createStatement($this->paramsString); |
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if(!$this->params->isValid()) |
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{ |
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$error = $this->params->getValidationResult(); |
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$this->validationResult->makeError( |
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t('Invalid parameters:').' '.$error->getErrorMessage(), |
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self::VALIDATION_INVALID_PARAMS_STATEMENT |
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); |
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return; |
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} |
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$this->validator = new Mailcode_Parser_Statement_Validator($this->params); |
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} |
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protected function validateSyntax_type_supported() : void |
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{ |
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if(!$this->supportsType() || empty($this->type)) |
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{ |
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return; |
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} |
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$types = $this->getSupportedTypes(); |
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if(!in_array($this->type, $types)) |
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{ |
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$this->validationResult->makeError( |
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t('The command addon %1$s is not supported.', $this->type).' '. |
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t('Valid addons are %1$s.', implode(', ', $types)), |
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self::VALIDATION_ADDON_NOT_SUPPORTED |
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); |
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return; |
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} |
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} |
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protected function validateSyntax_type_unsupported() : void |
360
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{ |
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if($this->supportsType() || empty($this->type)) |
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{ |
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return; |
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} |
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$this->validationResult->makeError( |
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t('Command addons are not supported (the %1$s part).', $this->type), |
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self::VALIDATION_ADDONS_NOT_SUPPORTED |
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); |
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} |
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public function hasType() : bool |
373
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{ |
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return $this->supportsType() && !empty($this->type); |
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} |
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public function getType() : string |
378
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{ |
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if($this->supportsType()) |
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{ |
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return $this->type; |
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} |
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384
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return ''; |
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} |
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public function hasParameters() : bool |
388
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{ |
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return $this->requiresParameters() && !empty($this->paramsString); |
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} |
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392
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public function getMatchedText() : string |
393
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{ |
394
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return $this->matchedText; |
395
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} |
396
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397
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public function getHighlighted() : string |
398
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{ |
399
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if(!$this->isValid()) |
400
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{ |
401
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return ''; |
402
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} |
403
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|
404
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$highlighter = new Mailcode_Commands_Highlighter($this); |
405
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return $highlighter->highlight(); |
406
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} |
407
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408
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public function getParamsString() : string |
409
|
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|
{ |
410
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if($this->requiresParameters()) |
411
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|
{ |
412
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|
return $this->paramsString; |
413
|
|
|
} |
414
|
|
|
|
415
|
|
|
return ''; |
416
|
|
|
} |
417
|
|
|
|
418
|
|
|
public function getParams() : ?Mailcode_Parser_Statement |
419
|
|
|
{ |
420
|
|
|
return $this->params; |
421
|
|
|
} |
422
|
|
|
|
423
|
|
|
abstract public function getName() : string; |
424
|
|
|
|
425
|
|
|
abstract public function getLabel() : string; |
426
|
|
|
|
427
|
|
|
abstract public function requiresParameters() : bool; |
428
|
|
|
|
429
|
|
|
abstract public function supportsType() : bool; |
430
|
|
|
|
431
|
|
|
/** |
432
|
|
|
* Whether the command allows using logic keywords like "and:" or "or:" |
433
|
|
|
* in the command parameters. |
434
|
|
|
* |
435
|
|
|
* @return bool |
436
|
|
|
*/ |
437
|
|
|
abstract public function supportsLogicKeywords() : bool; |
438
|
|
|
|
439
|
|
|
abstract public function generatesContent() : bool; |
440
|
|
|
|
441
|
|
|
abstract public function getDefaultType() : string; |
442
|
|
|
|
443
|
|
|
public final function getCommandType() : string |
444
|
|
|
{ |
445
|
|
|
if($this instanceof Mailcode_Commands_Command_Type_Closing) |
446
|
|
|
{ |
447
|
|
|
return 'Closing'; |
448
|
|
|
} |
449
|
|
|
|
450
|
|
|
if($this instanceof Mailcode_Commands_Command_Type_Opening) |
451
|
|
|
{ |
452
|
|
|
return 'Opening'; |
453
|
|
|
} |
454
|
|
|
|
455
|
|
|
if($this instanceof Mailcode_Commands_Command_Type_Sibling) |
456
|
|
|
{ |
457
|
|
|
return 'Sibling'; |
458
|
|
|
} |
459
|
|
|
|
460
|
|
|
if($this instanceof Mailcode_Commands_Command_Type_Standalone) |
461
|
|
|
{ |
462
|
|
|
return 'Standalone'; |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
throw new Mailcode_Exception( |
466
|
|
|
'Invalid command type', |
467
|
|
|
sprintf( |
468
|
|
|
'The command [%s] does not implement any of the type interfaces.', |
469
|
|
|
get_class($this) |
470
|
|
|
), |
471
|
|
|
self::ERROR_MISSING_TYPE_INTERFACE |
472
|
|
|
); |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
public function getNormalized() : string |
476
|
|
|
{ |
477
|
|
|
$normalizer = new Mailcode_Commands_Normalizer($this); |
478
|
|
|
|
479
|
|
|
return $normalizer->normalize(); |
480
|
|
|
} |
481
|
|
|
|
482
|
|
|
/** |
483
|
|
|
* Retrieves the names of all the command's supported types: the part |
484
|
|
|
* between the command name and the colon. Example: {command type: params}. |
485
|
|
|
* |
486
|
|
|
* @return string[] |
487
|
|
|
*/ |
488
|
|
|
public function getSupportedTypes() : array |
489
|
|
|
{ |
490
|
|
|
return array(); |
491
|
|
|
} |
492
|
|
|
|
493
|
|
|
/** |
494
|
|
|
* Retrieves all variable names used in the command. |
495
|
|
|
* |
496
|
|
|
* @return Mailcode_Variables_Collection_Regular |
497
|
|
|
*/ |
498
|
|
|
public function getVariables() : Mailcode_Variables_Collection_Regular |
499
|
|
|
{ |
500
|
|
|
return Mailcode::create()->findVariables($this->paramsString); |
501
|
|
|
} |
502
|
|
|
|
503
|
|
|
public function __toString() |
504
|
|
|
{ |
505
|
|
|
return $this->getNormalized(); |
506
|
|
|
} |
507
|
|
|
|
508
|
|
|
public function getLogicKeywords() : Mailcode_Commands_LogicKeywords |
509
|
|
|
{ |
510
|
|
|
if($this->supportsLogicKeywords() && isset($this->logicKeywords)) |
511
|
|
|
{ |
512
|
|
|
return $this->logicKeywords; |
|
|
|
|
513
|
|
|
} |
514
|
|
|
|
515
|
|
|
throw new Mailcode_Exception( |
516
|
|
|
'Logic keywords are not supported', |
517
|
|
|
'Cannot retrieve the logic keywords instance: it is only available for commands supporting logic commands.', |
518
|
|
|
self::ERROR_LOGIC_COMMANDS_NOT_SUPPORTED |
519
|
|
|
); |
520
|
|
|
} |
521
|
|
|
|
522
|
|
|
/** |
523
|
|
|
* Sets a parameter for the translation backend. The backend can use |
524
|
|
|
* these to allow command-specific configurations. |
525
|
|
|
* |
526
|
|
|
* @param string $name |
527
|
|
|
* @param mixed $value |
528
|
|
|
* @return $this |
529
|
|
|
*/ |
530
|
|
|
public function setTranslationParam(string $name, $value) |
531
|
|
|
{ |
532
|
|
|
$this->translationParams[$name] = $value; |
533
|
|
|
return $this; |
534
|
|
|
} |
535
|
|
|
|
536
|
|
|
/** |
537
|
|
|
* Retrieves a previously set translation parameter. |
538
|
|
|
* |
539
|
|
|
* @param string $name |
540
|
|
|
* @return mixed |
541
|
|
|
*/ |
542
|
|
|
public function getTranslationParam(string $name) |
543
|
|
|
{ |
544
|
|
|
if(isset($this->translationParams[$name])) |
545
|
|
|
{ |
546
|
|
|
return $this->translationParams[$name]; |
547
|
|
|
} |
548
|
|
|
|
549
|
|
|
return null; |
550
|
|
|
} |
551
|
|
|
} |
552
|
|
|
|