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<?php |
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namespace gossi\codegen\parser\visitor\parts; |
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use gossi\codegen\model\ValueInterface; |
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use gossi\codegen\parser\PrettyPrinter; |
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use PhpParser\Node; |
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use PhpParser\Node\Const_; |
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use PhpParser\Node\Expr\Array_; |
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use PhpParser\Node\Expr\ClassConstFetch; |
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use PhpParser\Node\Expr\ConstFetch; |
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use PhpParser\Node\Scalar\DNumber; |
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use PhpParser\Node\Scalar\LNumber; |
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use PhpParser\Node\Scalar\MagicConst; |
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use PhpParser\Node\Scalar\String_; |
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trait ValueParserPart { |
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private $constMap = [ |
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'false' => false, |
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'true' => true |
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]; |
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/** |
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* Parses the value of a node into the model |
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* |
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* @param ValueInterface $obj |
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* @param Node $node |
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* @return void |
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*/ |
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private function parseValue(ValueInterface $obj, Node $node) { |
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$value = $node instanceof Const_ ? $node->value : $node->default; |
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if ($value !== null) { |
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if ($this->isPrimitive($value)) { |
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$obj->setValue($this->getPrimitiveValue($value)); |
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} |
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$expr = $this->getExpression($value); |
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if ($expr) { |
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$obj->setExpression($expr); |
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} |
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} |
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} |
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/** |
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* Returns whether this node is a primitive value |
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* |
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* @param Node $node |
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* @return bool |
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*/ |
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private function isPrimitive(Node $node) { |
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return $node instanceof String_ |
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|| $node instanceof LNumber |
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|| $node instanceof DNumber |
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|| $this->isBool($node) |
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|| $this->isNull($node); |
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} |
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/** |
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* Returns the primitive value |
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* |
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* @param Node $node |
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* @return mixed |
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*/ |
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private function getPrimitiveValue(Node $node) { |
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if ($this->isBool($node)) { |
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return (bool) $this->getExpression($node); |
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} |
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if ($this->isNull($node)) { |
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return null; |
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} |
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return $node->value; |
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} |
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/** |
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* Returns whether this node is a boolean value |
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* |
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* @param Node $node |
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* @return bool |
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*/ |
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private function isBool(Node $node) { |
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if ($node instanceof ConstFetch) { |
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$const = $node->name->parts[0]; |
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if (isset($this->constMap[$const])) { |
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return is_bool($this->constMap[$const]); |
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} |
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return is_bool($const); |
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} |
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} |
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/** |
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* Returns whether this node is a null value |
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* |
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* @param Node $node |
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* @return bool |
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*/ |
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private function isNull(Node $node) { |
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if ($node instanceof ConstFetch) { |
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$const = $node->name->parts[0]; |
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return $const === 'null'; |
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} |
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} |
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/** |
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* Returns the value from a node |
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* |
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* @param Node $node |
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* @return mixed |
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*/ |
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private function getExpression(Node $node) { |
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if ($node instanceof ConstFetch) { |
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$const = $node->name->parts[0]; |
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if (isset($this->constMap[$const])) { |
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return $this->constMap[$const]; |
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} |
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return $const; |
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} |
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5 |
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if ($node instanceof ClassConstFetch) { |
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return $node->class->parts[0] . '::' . $node->name; |
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} |
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5 |
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if ($node instanceof MagicConst) { |
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return $node->getName(); |
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} |
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5 |
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if ($node instanceof Array_) { |
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$prettyPrinter = new PrettyPrinter(); |
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return $prettyPrinter->prettyPrintExpr($node); |
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} |
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} |
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} |
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gossi /
php-code-generator
