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<?php |
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declare(strict_types = 1); |
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namespace Reflection; |
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use \ReflectionClass; |
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use \RuntimeException; |
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/** |
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* Class ReflectionUseStatements |
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* @package UsesReflection |
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*/ |
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class ReflectionUseStatements extends ReflectionClass { |
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/** |
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* @const string |
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*/ |
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const CLASS_STATEMENT_TYPE = 'class'; |
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/** |
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* @const string |
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*/ |
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const ALIAS_STATEMENT_TYPE = 'alias'; |
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/** |
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* @var UseStatements |
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*/ |
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private $useStatements; |
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/** |
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* @var boolean |
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*/ |
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private $isUseStatementsParsed = false; |
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/** |
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* @return UseStatements |
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*/ |
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1 |
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public function getUseStatements(): UseStatements { |
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if ($this->isUseStatementsNotParsed()) { |
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$this->useStatements = $this->createUseStatements(); |
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} |
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return $this->useStatements; |
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} |
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/** |
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* @param string $class |
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* @return boolean |
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*/ |
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public function hasUseStatement(string $class): bool { |
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return $this->getUseStatements() |
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->hasClass($class); |
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} |
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/** |
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* @return bool |
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*/ |
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public function isNotUserDefined(): bool { |
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return !$this->isUserDefined(); |
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} |
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/** |
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* @return boolean |
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*/ |
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private function isUseStatementsNotParsed(): bool { |
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return !$this->isUseStatementsParsed; |
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} |
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/** |
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* @return ReflectionUseStatements |
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*/ |
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private function setUseStatementsIsParsed(): ReflectionUseStatements { |
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$this->isUseStatementsParsed = true; |
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return $this; |
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} |
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/** |
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* @return UseStatements |
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*/ |
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private function createUseStatements(): UseStatements { |
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if ($this->isNotUserDefined()) { |
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throw new RuntimeException('Can get use statements from user defined classes only.'); |
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} |
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$this->setUseStatementsIsParsed(); |
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$rawUseStatements = $this->createRawUseStatements(); |
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$useStatements = new UseStatements(); |
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foreach ($rawUseStatements as $rawUseStatement) { |
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$useStatements->add(new UseStatement( |
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$rawUseStatement[self::CLASS_STATEMENT_TYPE], |
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$rawUseStatement[self::ALIAS_STATEMENT_TYPE] |
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)); |
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} |
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return $useStatements; |
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} |
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/** |
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* @return string |
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*/ |
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private function readFileSource(): string { |
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$file = fopen($this->getFileName(), 'r'); |
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$line = 0; |
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$source = ''; |
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while (!feof($file)) { |
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++$line; |
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if ($line >= $this->getStartLine()) { |
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break; |
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} |
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$source .= fgets($file); |
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} |
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fclose($file); |
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return $source; |
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} |
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/** |
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* @return array |
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*/ |
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private function createRawUseStatements(): array { |
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$tokens = token_get_all($this->readFileSource()); |
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$useStatementIsBuilding = false; |
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$statementType = ''; |
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$useStatements = []; |
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$useStatement = [ |
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self::CLASS_STATEMENT_TYPE => '', |
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self::ALIAS_STATEMENT_TYPE => '' |
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]; |
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foreach ($tokens as $token) { |
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if (is_array($token)) { |
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if ($token[0] === T_USE) { |
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$useStatementIsBuilding = true; |
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$statementType = self::CLASS_STATEMENT_TYPE; |
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continue; |
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} |
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if ($token[0] === T_AS) { |
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$statementType = self::ALIAS_STATEMENT_TYPE; |
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continue; |
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} |
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if ($useStatementIsBuilding && $statementType) { |
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switch ($token[0]) { |
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case T_NS_SEPARATOR: |
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case T_STRING: |
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$useStatement[$statementType] .= $token[1]; |
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break; |
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} |
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} |
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} else { |
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if (($token === ';' || $token === ',') && $useStatementIsBuilding) { |
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$useStatements[] = $useStatement; |
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$useStatement = [ |
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self::CLASS_STATEMENT_TYPE => '', |
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self::ALIAS_STATEMENT_TYPE => '' |
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]; |
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1 |
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if ($token === ';') { |
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$useStatementIsBuilding = false; |
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} |
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1 |
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if ($token === ',') { |
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$statementType = self::CLASS_STATEMENT_TYPE; |
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} |
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} |
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} |
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} |
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1 |
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return $useStatements; |
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} |
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189
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} |
alevikzs /
reflection
