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<?php |
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namespace gossi\formatter\parser; |
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use gossi\formatter\collections\UnitCollection; |
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use gossi\formatter\entities\Block; |
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use gossi\formatter\entities\Unit; |
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use gossi\formatter\events\BlockEvent; |
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use gossi\formatter\formatters\CommentsFormatter; |
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use phootwork\tokenizer\Token; |
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use phootwork\tokenizer\TokenCollection; |
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class Analyzer { |
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/** @var Parser */ |
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private $parser; |
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private $matcher; |
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private $detectedUnit = null; |
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private $detectedUnitType = null; |
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private $currentUnit = null; |
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private $units; |
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public function __construct(Parser $parser) { |
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$this->parser = $parser; |
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$this->matcher = $parser->getMatcher(); |
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$this->units = new UnitCollection(); |
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// register listeners |
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$context = $parser->getContext(); |
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$context->addListener(Context::EVENT_ROUTINE_LEAVE, [$this, 'onRoutineClosed']); |
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$context->addListener(Context::EVENT_BLOCK_LEAVE, [$this, 'onBlockClosed']); |
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} |
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public function getUnits() { |
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return $this->units; |
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} |
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public function analyze(TokenCollection $tokens) { |
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foreach ($tokens as $token) { |
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$this->parser->getTracker()->visitToken($token); |
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$this->findUnitStart($token); |
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$this->findUnitEnd($token); |
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$this->finish($token); |
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} |
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} |
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private function findUnitStart(Token $token) { |
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$detectedUnit = null; |
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$detectedUnitType = null; |
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if ($this->detectedUnit === null && ($this->matcher->isModifier($token) |
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|| $this->matcher->isUnitIdentifier($token))) { |
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$detectedUnit = $token; |
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} |
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if ($detectedUnit !== null) { |
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// traits = use statements in struct body |
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if ($token->type == T_USE && $this->parser->getContext()->getCurrentContext() == Context::CONTEXT_STRUCT) { |
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$detectedUnitType = Unit::UNIT_TRAITS; |
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} |
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// line statements |
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else if ($this->matcher->isUnitIdentifier($token)) { |
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$detectedUnitType = Unit::getType($token); |
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} |
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// check for properties |
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else if ($this->matcher->isModifier($token)) { |
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$nextToken = $token; |
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do { |
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$nextToken = $this->parser->getTracker()->nextToken($nextToken); |
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if ($nextToken !== null && $nextToken->type == T_VARIABLE) { |
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$detectedUnitType = Unit::UNIT_FIELDS; |
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break; |
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} else if ($nextToken !== null && $nextToken->type == T_FUNCTION) { |
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$detectedUnitType = Unit::UNIT_METHODS; |
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break; |
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} else if ($nextToken !== null && $nextToken->type == T_CLASS) { |
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return; |
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} |
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} while ($this->matcher->isModifier($nextToken)); |
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} |
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// continue last unit, or start new unit? |
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if ($detectedUnitType !== Unit::UNIT_METHODS |
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&& $this->currentUnit !== null |
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&& $detectedUnitType === $this->currentUnit->type) { |
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$prevToken = $token; |
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do { |
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$prevToken = $this->parser->getTracker()->prevToken($prevToken); |
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} while (CommentsFormatter::isComment($prevToken) |
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|| $this->matcher->isModifier($prevToken)); |
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// yes, new unit |
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if ($prevToken !== $this->currentUnit->end) { |
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$this->dumpCurrentUnit(); |
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$this->detectedUnit = $detectedUnit; |
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$this->detectedUnitType = $detectedUnitType; |
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} |
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} else { |
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$this->dumpCurrentUnit(); |
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$this->detectedUnit = $detectedUnit; |
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$this->detectedUnitType = $detectedUnitType; |
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} |
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} |
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} |
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private function findUnitEnd(Token $token) { |
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if ($this->detectedUnit !== null) { |
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if ($token->contents == ';') { |
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$this->flushDetection($token); |
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} |
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} |
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} |
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private function flushDetection(Token $token) { |
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$this->currentUnit = new Unit(); |
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$this->currentUnit->start = $this->detectedUnit; |
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$this->currentUnit->type = $this->detectedUnitType; |
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$this->currentUnit->end = $token; |
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$this->detectedUnit = null; |
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$this->detectedUnitType = null; |
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} |
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public function onRoutineClosed(BlockEvent $event) { |
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if ($this->parser->getContext()->getCurrentContext() == Context::CONTEXT_STRUCT) { |
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$block = $event->getBlock(); |
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if ($this->currentUnit === null || $block->start != $this->currentUnit->start) { |
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$this->detectedUnit = $block->start; |
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$this->detectedUnitType = Unit::UNIT_METHODS; |
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$this->flushDetection($event->getToken()); |
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} |
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$this->dumpCurrentUnit(); |
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} |
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} |
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public function onBlockClosed(BlockEvent $event) { |
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$block = $event->getBlock(); |
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if ($block->type == Block::TYPE_USE || $block->type == Block::TYPE_NAMESPACE) { |
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$this->detectedUnit = $block->start; |
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$this->detectedUnitType = $block->type; |
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$this->flushDetection($event->getToken()); |
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} |
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} |
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private function finish(Token $token) { |
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if ($this->parser->getTracker()->isLastToken($token)) { |
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$this->dumpCurrentUnit(); |
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} |
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} |
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private function dumpCurrentUnit() { |
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if ($this->currentUnit !== null) { |
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$this->units->add($this->currentUnit); |
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$this->currentUnit = null; |
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} |
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} |
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} |
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gossi /
php-code-formatter
