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<?php |
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namespace Popy\Calendar\Parser; |
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/** |
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* Format Token used by FormatLexer & FormatParser. Immutable. |
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*/ |
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class FormatToken |
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{ |
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const TYPE_LITTERAL = 1; |
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const TYPE_SYMBOL = 2; |
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const TYPE_EOF = 3; |
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/** |
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* Token value. |
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* |
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* @var string|null |
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*/ |
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protected $value; |
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/** |
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* Token type. |
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* |
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* @var integer |
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*/ |
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protected $type; |
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/** |
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* Token alias. Usefull to map new tokens to already existing behaviours in |
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* ResultMappers |
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* |
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* @var string|null |
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*/ |
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protected $alias; |
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/** |
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* Class constructor. |
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* |
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* @param string|null $value Token value. |
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* @param integer $type Token type. |
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*/ |
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public function __construct($value, $type) |
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{ |
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$this->value = $value; |
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$this->type = $type; |
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} |
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/** |
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* Gets the token value. |
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* |
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* @return string|null |
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*/ |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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/** |
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* Gets the token name (possibly aliased). |
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* |
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* @return string|null |
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*/ |
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public function getName() |
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{ |
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return $this->alias ?: $this->value; |
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} |
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/** |
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* Returns a new instance with the input alias. |
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* |
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* @param string|null $alias |
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* |
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* @return static |
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*/ |
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public function withAlias($alias) |
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{ |
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$res = clone $this; |
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$res->alias = $alias; |
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return $res; |
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} |
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/** |
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* Checks if token is a TYPE_SYMBOL matching the input symbol. |
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* |
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* @param string $symbol |
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* |
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* @return boolean |
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*/ |
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public function is($symbol) |
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{ |
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return $this->type === self::TYPE_SYMBOL && $this->value === $symbol; |
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} |
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/** |
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* Checks if token is a TYPE_SYMBOL matching one of the arguments, |
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* or one of the symbol contained in the first argument if it is an array |
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* |
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* @param array|string $symbols |
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* @param string ...$symbols |
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* |
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* @return boolean |
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*/ |
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public function isOne($symbols) |
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{ |
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if ($this->type !== self::TYPE_SYMBOL) { |
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return false; |
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} |
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if (!is_array($symbols)) { |
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$symbols = func_get_args(); |
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} |
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return in_array($this->value, $symbols); |
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} |
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/** |
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* Set type. |
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* |
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* @param integer $type |
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*/ |
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public function setType($type) |
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{ |
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$res = clone $this; |
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$res->type = $type; |
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return $res; |
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} |
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/** |
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* Checks if token is a symbol. |
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* |
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* @return boolean |
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*/ |
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public function isSymbol() |
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{ |
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return $this->type === self::TYPE_SYMBOL; |
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} |
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/** |
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* Checks if symbol is litteral |
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* |
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* @return boolean |
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*/ |
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public function isLitteral() |
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{ |
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return $this->type === self::TYPE_LITTERAL; |
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} |
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/** |
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* Set litteral. |
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*/ |
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public function setLitteral() |
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{ |
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return $this->setType(self::TYPE_LITTERAL); |
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} |
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/** |
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* Checks if token is of given type. |
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* |
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* @param integer $type |
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* |
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* @return boolean |
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*/ |
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public function isType($type) |
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{ |
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return $this->type === $type; |
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} |
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/** |
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* Get token type. |
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* |
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* @return integer |
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*/ |
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public function getType() |
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{ |
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return $this->type; |
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} |
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} |
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popy-dev /
popy-calendar
