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<?php /* * This file is part of Twig. * * (c) 2009 Fabien Potencier * (c) 2009 Armin Ronacher * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ /** * Represents a Token. * * @author Fabien Potencier <fabien@symfony.com> */ class Twig_Token { protected $value; protected $type; protected $lineno; const EOF_TYPE = -1; const TEXT_TYPE = 0; const BLOCK_START_TYPE = 1; const VAR_START_TYPE = 2; const BLOCK_END_TYPE = 3; const VAR_END_TYPE = 4; const NAME_TYPE = 5; const NUMBER_TYPE = 6; const STRING_TYPE = 7; const OPERATOR_TYPE = 8; const PUNCTUATION_TYPE = 9; const INTERPOLATION_START_TYPE = 10; const INTERPOLATION_END_TYPE = 11; /** * Constructor. * * @param int $type The type of the token * @param string $value The token value * @param int $lineno The line position in the source */ public function __construct($type, $value, $lineno) { $this->type = $type; $this->value = $value; $this->lineno = $lineno; } /** * Returns a string representation of the token. * * @return string A string representation of the token */ public function __toString() { return sprintf('%s(%s)', self::typeToString($this->type, true), $this->value); } /** * Tests the current token for a type and/or a value. * * Parameters may be: * * just type * * type and value (or array of possible values) * * just value (or array of possible values) (NAME_TYPE is used as type) * * @param array|int $type The type to test * @param array|string|null $values The token value * * @return bool */ public function test($type, $values = null) { if (null === $values && !is_int($type)) { $values = $type; $type = self::NAME_TYPE; } return ($this->type === $type) && ( null === $values || (is_array($values) && in_array($this->value, $values)) || $this->value == $values ); } /** * Gets the line. * * @return int The source line */ public function getLine() { return $this->lineno; } /** * Gets the token type. * * @return int The token type */ public function getType() { return $this->type; } /** * Gets the token value. * * @return string The token value */ public function getValue() { return $this->value; } /** * Returns the constant representation (internal) of a given type. * * @param int $type The type as an integer * @param bool $short Whether to return a short representation or not * * @return string The string representation */ public static function typeToString($type, $short = false) { switch ($type) { case self::EOF_TYPE: $name = 'EOF_TYPE'; break; case self::TEXT_TYPE: $name = 'TEXT_TYPE'; break; case self::BLOCK_START_TYPE: $name = 'BLOCK_START_TYPE'; break; case self::VAR_START_TYPE: $name = 'VAR_START_TYPE'; break; case self::BLOCK_END_TYPE: $name = 'BLOCK_END_TYPE'; break; case self::VAR_END_TYPE: $name = 'VAR_END_TYPE'; break; case self::NAME_TYPE: $name = 'NAME_TYPE'; break; case self::NUMBER_TYPE: $name = 'NUMBER_TYPE'; break; case self::STRING_TYPE: $name = 'STRING_TYPE'; break; case self::OPERATOR_TYPE: $name = 'OPERATOR_TYPE'; break; case self::PUNCTUATION_TYPE: $name = 'PUNCTUATION_TYPE'; break; case self::INTERPOLATION_START_TYPE: $name = 'INTERPOLATION_START_TYPE'; break; case self::INTERPOLATION_END_TYPE: $name = 'INTERPOLATION_END_TYPE'; break; default: throw new LogicException(sprintf('Token of type "%s" does not exist.', $type)); } return $short ? $name : 'Twig_Token::'.$name; } /** * Returns the english representation of a given type. * * @param int $type The type as an integer * * @return string The string representation */ public static function typeToEnglish($type) { switch ($type) { case self::EOF_TYPE: return 'end of template'; case self::TEXT_TYPE: return 'text'; case self::BLOCK_START_TYPE: return 'begin of statement block'; case self::VAR_START_TYPE: return 'begin of print statement'; case self::BLOCK_END_TYPE: return 'end of statement block'; case self::VAR_END_TYPE: return 'end of print statement'; case self::NAME_TYPE: return 'name'; case self::NUMBER_TYPE: return 'number'; case self::STRING_TYPE: return 'string'; case self::OPERATOR_TYPE: return 'operator'; case self::PUNCTUATION_TYPE: return 'punctuation'; case self::INTERPOLATION_START_TYPE: return 'begin of string interpolation'; case self::INTERPOLATION_END_TYPE: return 'end of string interpolation'; default: throw new LogicException(sprintf('Token of type "%s" does not exist.', $type)); } } }