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<?php |
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namespace Imanghafoori\LaravelMicroscope\Analyzers; |
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class GetClassProperties |
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{ |
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public static function fromFilePath($filePath) |
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{ |
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$fp = fopen($filePath, 'r'); |
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$buffer = fread($fp, config('microscope.class_search_buffer', 2500)); |
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// In order to ensure doc blocks are closed if there is any opening we add "/**/" |
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$tokens = token_get_all($buffer.'/**/'); |
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if (strpos($buffer, '{') === false) { |
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return [null, null, null, null]; |
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} |
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return self::readClassDefinition($tokens); |
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} |
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public static function readClassDefinition($tokens) |
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{ |
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$type = $class = null; |
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$allTokensCount = \count($tokens); |
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$parent = null; |
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$interfaces = $namespace = ''; |
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for ($i = 1; $i < $allTokensCount; $i++) { |
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if (! $namespace) { |
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[$i, $namespace,] = self::collectAfterKeyword($tokens, $i, T_NAMESPACE); |
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} |
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// if we reach a double colon before a class keyword |
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// it means that, it is not a psr-4 class. |
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if (! $class && $tokens[$i][0] == T_DOUBLE_COLON) { |
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return [$namespace, null, null, null, null]; |
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} |
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// when we reach the first "class", or "interface" or "trait" keyword |
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if (! $class && \in_array($tokens[$i][0], [T_CLASS, T_INTERFACE, T_TRAIT])) { |
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$class = $tokens[$i + 2][1]; |
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$type = $tokens[$i][0]; |
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$i = $i + 2; |
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continue; |
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} |
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if (! $parent) { |
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[$i, $parent] = self::collectAfterKeyword($tokens, $i, T_EXTENDS, [T_IMPLEMENTS], ','); |
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} |
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if (! $interfaces) { |
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[$i, $interfaces] = self::collectAfterKeyword($tokens, $i, T_IMPLEMENTS, [], ','); |
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} |
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} |
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if ($class == 'extends') { |
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$class = null; |
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} |
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return [ |
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\ltrim($namespace, '\\'), |
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$class, |
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$type, |
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$parent, |
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$interfaces, |
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]; |
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} |
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/** |
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* @param $tokens |
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* @param int $i |
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* @param int $target |
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* @param array $terminators |
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* @param string|null $separator |
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* |
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* @return array |
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*/ |
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protected static function collectAfterKeyword($tokens, $i, $target, $terminators = [], $separator = null) |
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{ |
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$terminators[] = ';'; |
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$terminators[] = '{'; |
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$results = ''; |
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if ($tokens[$i][0] !== $target) { |
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return [$i, $results]; |
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} |
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while (true) { |
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$i++; |
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// ignore white spaces |
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if ($tokens[$i][0] === T_WHITESPACE) { |
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continue; |
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} |
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if (($tokens[$i][0] == $separator)) { |
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$results .= '|'; |
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$i++; |
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continue; |
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} |
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if (\in_array($tokens[$i][0], $terminators) || ! isset($tokens[$i])) { |
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// we go ahead and collect until we reach: |
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// 1. an opening curly brace { |
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// 2. or a semi-colon ; |
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// 3. end of tokens. |
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return [$i, $results]; |
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} |
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$results .= $tokens[$i][1]; |
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} |
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return [$i, $results]; |
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} |
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} |
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imanghafoori1 /
laravel-microscope
