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<?php |
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declare(strict_types=1); |
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namespace Mailcode; |
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class Mailcode_Parser_Statement_Info_Keywords |
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{ |
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/** |
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* @var Mailcode_Parser_Statement_Info |
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*/ |
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private $info; |
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/** |
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* @var Mailcode_Parser_Statement_Tokenizer |
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*/ |
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private $tokenizer; |
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public function __construct(Mailcode_Parser_Statement_Info $info, Mailcode_Parser_Statement_Tokenizer $tokenizer) |
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{ |
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$this->info = $info; |
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$this->tokenizer = $tokenizer; |
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} |
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/** |
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* Retrieves a keyword by its position in the command's parameters. |
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* Returns null if there is no parameter at the specified index, or |
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* if it is of another type. |
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* |
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* @param int $index Zero-based index. |
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* @return Mailcode_Parser_Statement_Tokenizer_Token_Keyword|NULL |
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*/ |
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public function getByIndex(int $index) : ?Mailcode_Parser_Statement_Tokenizer_Token_Keyword |
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{ |
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$token = $this->info->getTokenByIndex($index); |
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if($token instanceof Mailcode_Parser_Statement_Tokenizer_Token_Keyword) |
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{ |
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return $token; |
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} |
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return null; |
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} |
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/** |
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* @return Mailcode_Parser_Statement_Tokenizer_Token_Keyword[] |
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*/ |
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public function getAll() : array |
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{ |
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$result = array(); |
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$tokens = $this->info->getTokens(); |
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foreach($tokens as $token) |
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{ |
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if($token instanceof Mailcode_Parser_Statement_Tokenizer_Token_Keyword) |
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{ |
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$result[] = $token; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Adds or removes a keyword depending on whether it should be enabled. |
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* |
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* @param string $keyword The keyword name, with or without : |
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* @param bool $enabled |
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* @return Mailcode_Parser_Statement_Info_Keywords |
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* @throws Mailcode_Exception |
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*/ |
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public function setEnabled(string $keyword, bool $enabled) : Mailcode_Parser_Statement_Info_Keywords |
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{ |
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if($enabled) |
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{ |
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return $this->add($keyword); |
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} |
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return $this->remove($keyword); |
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} |
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/** |
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* Adds a keyword to the command. |
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* |
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* @param string $keyword Keyword name, with or without : |
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* @return $this |
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* @throws Mailcode_Exception |
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*/ |
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public function add(string $keyword) : Mailcode_Parser_Statement_Info_Keywords |
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{ |
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$keyword = rtrim($keyword, ':').':'; |
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if(!$this->hasKeyword($keyword)) |
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{ |
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$this->tokenizer->appendKeyword($keyword); |
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} |
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return $this; |
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} |
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/** |
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* Removes a keyword from the command, if it has one. |
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* Has no effect otherwise. |
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* |
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* @param string $keyword Keyword name, with or without : |
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* @return Mailcode_Parser_Statement_Info_Keywords |
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*/ |
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public function remove(string $keyword) : Mailcode_Parser_Statement_Info_Keywords |
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{ |
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$keyword = rtrim($keyword, ':').':'; |
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$keywords = $this->getAll(); |
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foreach ($keywords as $kw) |
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{ |
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if ($kw->getKeyword() !== $keyword) { |
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continue; |
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} |
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$this->tokenizer->removeToken($kw); |
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} |
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return $this; |
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} |
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/** |
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* Whether the command has the specified keyword. |
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* |
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* @param string $keyword Keyword name, with or without : |
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* @return bool |
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*/ |
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public function hasKeyword(string $keyword) : bool |
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{ |
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$keyword = rtrim($keyword, ':').':'; |
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$keywords = $this->getAll(); |
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foreach ($keywords as $kw) |
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{ |
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if($kw->getKeyword() === $keyword) |
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{ |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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Mistralys /
mailcode
