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<?php |
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declare(strict_types = 1); |
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namespace Leaditin\Annotations; |
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/** |
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* Class Tokenizer |
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* |
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* @package Leaditin\Annotations |
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* @author Igor Vuckovic |
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*/ |
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class Tokenizer |
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{ |
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/** @var \ReflectionClass */ |
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protected $reflectionClass; |
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/** @var array */ |
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protected $tokens; |
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/** @var array */ |
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protected $structure; |
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/** |
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* @param \ReflectionClass $reflectionClass |
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*/ |
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public function __construct(\ReflectionClass $reflectionClass) |
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{ |
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$this->reflectionClass = $reflectionClass; |
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$this->tokens = token_get_all(file_get_contents($this->reflectionClass->getFileName())); |
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$this->structure = []; |
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} |
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/** |
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* @param string $name |
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* @return string |
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*/ |
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public function resolveFullyQualifiedClassName(string $name) : string |
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{ |
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$length = strlen($name); |
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foreach ($this->getUseNames() as $fullyQualifiedClassName => $useClassName) { |
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if (substr($useClassName, -$length) === $name) { |
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return $fullyQualifiedClassName; |
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} |
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} |
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if (0 !== strpos($name, '\\')) { |
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$fullyQualifiedClassName = "{$this->reflectionClass->getNamespaceName()}\\$name"; |
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if (class_exists($fullyQualifiedClassName)) { |
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return $this->trimClassName($fullyQualifiedClassName); |
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} |
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} |
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return $this->trimClassName($name); |
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} |
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/** |
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* @param string $name |
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* @return string |
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*/ |
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public function resolveVariableName(string $name) : string |
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{ |
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if ($this->isScalar($name)) { |
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return $name; |
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} |
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if ($this->isSelf($name)) { |
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return $this->trimClassName($this->reflectionClass->name); |
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} |
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return $name; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getUseNames() : array |
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{ |
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if (!array_key_exists('use', $this->structure)) { |
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$numberOfTokens = count($this->tokens); |
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$this->structure['use'] = []; |
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for ($i = 0; $i < $numberOfTokens; ++$i) { |
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$this->readToken($i, $numberOfTokens); |
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} |
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} |
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return $this->structure['use']; |
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} |
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/** |
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* @param int $tokenPosition |
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* @param int $numberOfTokens |
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*/ |
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protected function readToken(int $tokenPosition, int $numberOfTokens) |
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{ |
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if ($this->tokens[$tokenPosition][0] !== T_USE) { |
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return; |
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} |
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$class = ''; |
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for ($j = $tokenPosition + 1; $j < $numberOfTokens; ++$j) { |
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$this->useToken($j, $class); |
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} |
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} |
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/** |
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* @param int $tokenPosition |
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* @param string $class |
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*/ |
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protected function useToken(int $tokenPosition, string &$class) |
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{ |
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if ($this->tokens[$tokenPosition][0] === T_STRING) { |
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$class .= '\\' . $this->tokens[$tokenPosition][1]; |
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} elseif ($this->tokens[$tokenPosition] === ';') { |
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$this->useClass($class); |
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} |
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} |
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/** |
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* @param string $class |
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*/ |
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protected function useClass(string &$class) |
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{ |
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$fullyQualifiedClassName = $this->deriveFullyQualifiedClassName($class); |
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$this->structure['use'][$this->trimClassName($fullyQualifiedClassName)] = $this->trimClassName($class); |
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$class = ''; |
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} |
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/** |
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* @param string $className |
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* @return string |
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*/ |
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protected function deriveFullyQualifiedClassName(string $className) : string |
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{ |
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while (!class_exists($className)) { |
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$length = strrpos($className, '\\'); |
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if ($length === false) { |
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return $className; |
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} |
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$className = substr($className, 0, $length); |
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} |
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return $className; |
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} |
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/** |
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* @param string $name |
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* @return bool |
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*/ |
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protected function isScalar(string $name) : bool |
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{ |
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$scalars = [ |
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'int', 'integer', |
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'bool', 'boolean', |
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'string', 'array', |
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'float', 'double', 'decimal', |
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]; |
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return in_array($name, $scalars, false); |
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} |
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/** |
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* @param string $name |
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* @return bool |
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*/ |
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6 |
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protected function isSelf(string $name) : bool |
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{ |
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$selves = [ |
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'self', |
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'static', |
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'$this' |
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]; |
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return in_array($name, $selves, false); |
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} |
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/** |
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* @param string $name |
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* @return string |
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*/ |
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protected function trimClassName(string $name) : string |
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{ |
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return ltrim($name, '\\'); |
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} |
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} |
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leaditin /
annotations
