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<?php |
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namespace Bavix\Lexer; |
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class Validator |
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{ |
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const T_EQUAL = 100000; |
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const T_FOR_IN = self::T_EQUAL - 1; |
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const T_NULL = self::T_FOR_IN - 1; |
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const T_TRUE = self::T_NULL - 1; |
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const T_FALSE = self::T_TRUE - 1; |
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const T_BRACKET = self::T_FALSE - 1; |
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const T_ENDBRACKET = self::T_BRACKET - 1; |
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const T_ENDARRAY = self::T_ENDBRACKET - 1; |
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const T_HELPER = self::T_ENDARRAY - 1; |
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const T_ENDHELPER = self::T_HELPER - 1; |
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const T_WITH = self::T_ENDHELPER - 1; |
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const T_ENDWITH = self::T_WITH - 1; |
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const T_FORELSE = self::T_ENDWITH - 1; |
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const T_DOT = self::T_FORELSE - 1; |
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const T_AT = self::T_DOT - 1; |
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const T_CONCAT = self::T_AT - 1; |
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const T_COMMA = self::T_CONCAT - 1; |
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const T_QUESTION_MARK = self::T_COMMA - 1; |
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const T_EXCLAMATION_MARK = self::T_QUESTION_MARK - 1; |
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const T_MOD = self::T_EXCLAMATION_MARK - 1; |
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const T_SET = self::T_MOD - 1; |
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const T_ENDSET = self::T_SET - 1; |
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const T_CONSTANT = self::T_ENDSET - 1; |
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protected static $globalTypes = [ |
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'[' => \T_ARRAY, |
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']' => self::T_ENDARRAY, |
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'=' => self::T_EQUAL, |
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'null' => self::T_NULL, |
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'true' => self::T_TRUE, |
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'false' => self::T_FALSE, |
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'(' => self::T_BRACKET, |
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')' => self::T_ENDBRACKET, |
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'~' => self::T_CONCAT, |
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',' => self::T_COMMA, |
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'.' => self::T_DOT, |
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'@' => self::T_AT, |
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'!' => self::T_EXCLAMATION_MARK, |
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'?' => self::T_QUESTION_MARK, |
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'%' => self::T_QUESTION_MARK, |
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]; |
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protected static $lexerTypes = [ |
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Lexer::OPERATOR => [ |
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'helper' => self::T_HELPER, |
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'endhelper' => self::T_ENDHELPER, |
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'with' => self::T_WITH, |
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'endwith' => self::T_ENDWITH, |
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'forelse' => self::T_FORELSE, |
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'set' => self::T_SET, |
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'endset' => self::T_ENDSET, |
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], |
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]; |
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/** |
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* @param array|string $type |
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* |
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* @return int|string |
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*/ |
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public static function getValue($type) |
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{ |
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if (!is_array($type)) { |
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return \T_STRING; |
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} |
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return $type[0]; |
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} |
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/** |
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* @return array |
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*/ |
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protected static function constants() |
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{ |
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static $_; |
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if (!$_) { |
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$ref = new \ReflectionClass(static::class); |
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1 |
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$_ = $ref->getConstants(); |
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} |
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return $_; |
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} |
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public static function getType($value, $default, $lexerType) |
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{ |
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if ($lexerType) { |
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if (isset(static::$lexerTypes[$lexerType][$value])) { |
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return static::$lexerTypes[$lexerType][$value]; |
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} |
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} |
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if (isset(static::$globalTypes[$value])) { |
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return static::$globalTypes[$value]; |
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} |
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return $default; |
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} |
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/** |
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* @param $type |
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* |
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* @return int|string |
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*/ |
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public static function get($type) |
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{ |
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if (\is_string($type)) { |
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if (\defined(static::class . '::' . $type)) { |
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return \constant(static::class . '::' . $type); |
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} |
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if (\defined($type)) { |
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return \constant($type); |
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} |
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return \T_STRING; |
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} |
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foreach (static::constants() as $name => $value) { |
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if ($value === $type) { |
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return $name; |
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} |
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} |
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$token = \token_name($type); |
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if ($token === 'UNKNOWN') { |
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return 'T_STRING'; |
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} |
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return $token; |
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} |
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} |
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bavix /
lexer
