Esempio n. 1
0
 /**
  *  Populate map table 
  *
  * @param AbstractExpression $nullCheckExpTree The expression to verfiy.
  * 
  * @return void
  * 
  * @throws ODataException
  */
 private function _map($nullCheckExpTree)
 {
     if ($nullCheckExpTree instanceof LogicalExpression) {
         $this->_map($nullCheckExpTree->getLeft());
         $this->_map($nullCheckExpTree->getRight());
     } else {
         if ($nullCheckExpTree instanceof UnaryExpression) {
             $this->_map($nullCheckExpTree->getChild());
         } else {
             if ($nullCheckExpTree instanceof FunctionCallExpression) {
                 $param = $nullCheckExpTree->getParamExpressions();
                 $this->_map($param[0]);
             } else {
                 if ($nullCheckExpTree instanceof PropertyAccessExpression) {
                     $parent = $nullCheckExpTree;
                     $key = null;
                     do {
                         $key = $parent->getResourceProperty()->getName() . '_' . $key;
                         $parent = $parent->getParent();
                     } while ($parent != null);
                     $this->_mapTable[$key] = $nullCheckExpTree;
                 } else {
                     ODataException::createSyntaxError(Messages::expressionParser2UnexpectedExpression(get_class($expTree)));
                 }
             }
         }
     }
 }
Esempio n. 2
0
 /**
  * Recursive function to process each node of the expression
  * 
  * @param AbstractExpression $expression Current node to process.
  * 
  * @return string The language specific expression.
  */
 private function _processExpressionNode(AbstractExpression $expression)
 {
     if ($expression instanceof ArithmeticExpression) {
         $left = $this->_processExpressionNode($expression->getLeft());
         $right = $this->_processExpressionNode($expression->getRight());
         return $this->_expressionProvider->onArithmeticExpression($expression->getNodeType(), $left, $right);
     } else {
         if ($expression instanceof LogicalExpression) {
             $left = $this->_processExpressionNode($expression->getLeft());
             $right = $this->_processExpressionNode($expression->getRight());
             return $this->_expressionProvider->onLogicalExpression($expression->getNodeType(), $left, $right);
         } else {
             if ($expression instanceof RelationalExpression) {
                 $left = $this->_processExpressionNode($expression->getLeft());
                 $right = $this->_processExpressionNode($expression->getRight());
                 return $this->_expressionProvider->onRelationalExpression($expression->getNodeType(), $left, $right);
             } else {
                 if ($expression instanceof ConstantExpression) {
                     return $this->_expressionProvider->onConstantExpression($expression->getType(), $expression->getValue());
                 } else {
                     if ($expression instanceof PropertyAccessExpression) {
                         return $this->_expressionProvider->onPropertyAccessExpression($expression);
                     } else {
                         if ($expression instanceof FunctionCallExpression) {
                             $params = array();
                             foreach ($expression->getParamExpressions() as $paramExpression) {
                                 $params[] = $this->_processExpressionNode($paramExpression);
                             }
                             return $this->_expressionProvider->onFunctionCallExpression($expression->getFunctionDescription(), $params);
                         } else {
                             if ($expression instanceof UnaryExpression) {
                                 $child = $this->_processExpressionNode($expression->getChild());
                                 return $this->_expressionProvider->onUnaryExpression($expression->getNodeType(), $child);
                             }
                         }
                     }
                 }
             }
         }
     }
 }