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<?php |
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/** |
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* This file is a part of "Axessors" library. |
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* |
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* @author <[email protected]> |
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* @license GPL |
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*/ |
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namespace NoOne4rever\Axessors; |
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/** |
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* Class CommentLexer. |
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* |
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* Splits Axessors comment into array of possible tokens. |
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* |
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* @package NoOne4rever\Axessors |
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*/ |
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class CommentLexer extends Lexer |
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{ |
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private const AXS_COMMENT = '#:'; |
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private const ACCESS_MODIFIER = '[+\-~]'; |
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private const KEYWORD = '(accessible|writable|readable|axs|wrt|rdb)'; |
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private const TYPE = '((((\\\\)?[a-zA-Z_][a-zA-Z\d_]*(\\\\[a-zA-Z_][a-zA-Z\d_]*)*)(\[(?1)\])?)(\|(?2))*)'; |
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private const HANDLERS = '((?(1),\s*)([a-zA-Z_][a-zA-Z0-9_]*|`([^`]|\\\\`)+((?<!\\\\)`)))+'; |
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private const CONDITIONS = '((((([<>])=?|([!=])=)\s*\d+|\d+\.\.\d+|`[^`]+`)|\((?1)\))((\s*(&&|\|\|)\s*)(?1))*)'; |
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private const HANDLERS_SIGN = '->'; |
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private const ALIAS_SIGN = '=>'; |
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private const ALIAS = '[a-zA-Z_][a-zA-Z0-9_]*'; |
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private const TOKEN_LIST = [ |
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self::AXS_COMMENT, |
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self::ACCESS_MODIFIER, |
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self::KEYWORD, |
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self::TYPE, |
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self::CONDITIONS, |
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self::HANDLERS_SIGN, |
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self::HANDLERS, |
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self::ACCESS_MODIFIER, |
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self::KEYWORD, |
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self::CONDITIONS, |
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self::HANDLERS_SIGN, |
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self::HANDLERS, |
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self::ALIAS_SIGN, |
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self::ALIAS |
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]; |
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private const REQUIRED_TOKENS = [0, 1, 2]; |
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private const AXS_COMMENT_TOKEN = '#:'; |
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/** |
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* Returns class' data with Axessors properties. |
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* |
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* @return ClassData class' data |
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*/ |
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public function getClassData(): ClassData |
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{ |
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$classData = new ClassData($this->reflection); |
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for ($i = $this->startLine; $this->isLineEmpty() && $i <= $this->endLine; ++$i) { |
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$this->readLine(); |
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if (!$this->isAxsPropertyDef()) { |
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continue; |
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} |
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$injProcessor = new InjectedStringSuit($this->getAxsComment()); |
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$code = $injProcessor->addSlashes('\\')->get(); |
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$properties = $this->getProperties(); |
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$tokenList = $this->getTokenList(count($properties)); |
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$tokens = $this->parse($code, $tokenList, self::REQUIRED_TOKENS); |
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foreach ($this->getProperties() as $propertyName) { |
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$propertyData = new PropertyData($this->reflection->getProperty($propertyName), $tokens); |
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$classData->addProperty($propertyName, $propertyData); |
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} |
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} |
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return $classData; |
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} |
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/** |
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* Returns dynamically created array of token signatures. |
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* |
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* @param int $properties number of properties |
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* |
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* @return array tokens |
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*/ |
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private function getTokenList(int $properties): array |
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{ |
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if ($properties == 1) { |
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return self::TOKEN_LIST; |
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} else { |
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return array_slice(self::TOKEN_LIST, 0, count(self::TOKEN_LIST) - 2); |
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} |
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} |
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/** |
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* Extracts Axessors comment from the code. |
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* |
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* @return string Axessors comment |
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*/ |
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private function getAxsComment(): string |
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{ |
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return substr($this->currentLine, strpos($this->currentLine, self::AXS_COMMENT_TOKEN)); |
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} |
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/** |
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* Extracts property name from the code. |
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* |
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* @return string[] property name |
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*/ |
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private function getProperties(): array |
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{ |
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$line = substr($this->currentLine, 0, strpos($this->currentLine, self::AXS_COMMENT_TOKEN)); |
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preg_match_all('/(?<=\$)[a-z_][a-z\d_]*/i', $line, $properties); |
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return $properties[0]; |
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} |
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/** |
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* Checks if the code given is Axessors property definition. |
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* |
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* @return bool result of the checkout |
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*/ |
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private function isAxsPropertyDef(): bool |
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{ |
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return (bool)preg_match('/\s*(public|protected|private)(\s*static)?\s+((?(3),)\s*\$[a-z_][a-z\d_]*)+.*?;\s*#:.+/i', |
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$this->currentLine); |
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} |
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} |
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NoOne4rever /
Axessors
