isOperatorSelected method

bool isOperatorSelected(BinaryExpression binaryExpression)

Returns whether the selection covers an operator of the given binaryExpression.

Implementation

bool isOperatorSelected(BinaryExpression binaryExpression) {
  AstNode left = binaryExpression.leftOperand;
  AstNode right = binaryExpression.rightOperand;
  // Between the nodes.
  if (selectionOffset >= left.end &&
      selectionOffset + selectionLength <= right.offset) {
    return true;
  }
  // Or exactly select the node (but not with infix expressions).
  if (selectionOffset == left.offset &&
      selectionOffset + selectionLength == right.end) {
    if (left is BinaryExpression || right is BinaryExpression) {
      return false;
    }
    return true;
  }
  // Invalid selection (part of node, etc).
  return false;
}