Exemplo n.º 1
0
        public object Translate(TranslationContext context, ASTNode node)
        {
            var result = new CREFModel.ValueSetExpression();

            // TODO: Handle Value Set Mapping
            result.ValueSetID = node.GetAttribute <string>("id");

            var version = node.GetAttribute <string>("version");

            if (!String.IsNullOrEmpty(version))
            {
                result.Version          = Int32.Parse(version);
                result.VersionSpecified = true;
            }

            // TODO: Value Set Authority

            return(result);
        }
Exemplo n.º 2
0
        public object Translate(TranslationContext context, ASTNode node)
        {
            // Ideally, this would be expressed as an InValueSet expression within CREF, but in the absence of such an operator, the translation
            // Can be supporting using: Exists(Filter(ValueSet(ValueSetId), Condition(Current = Operand)))
            var valueSetId        = node.GetAttribute <string>("id");
            var valueSetVersion   = node.GetAttribute <string>("version");
            var valueSetAuthority = node.GetAttribute <string>("authority"); // TODO: Authority resolution?

            var operand = node.Children.FirstOrDefault(c => c.Name == "operand");

            var valueSetExpression = new CREFModel.ValueSetExpression();

            valueSetExpression.ValueSetID = valueSetId;
            if (!String.IsNullOrEmpty(valueSetVersion))
            {
                valueSetExpression.Version          = Convert.ToInt32(valueSetVersion);
                valueSetExpression.VersionSpecified = true;
            }

            var filter = new CREFModel.FilterExpression();

            filter.Items.Add(valueSetExpression);

            var condition = new CREFModel.BinaryExpression();

            condition.Operator          = CREFModel.BinaryOperator.opEqual;
            condition.OperatorSpecified = true;

            // Assumption: A property expression with no path specified is equivalent to a "current" reference
            var property = new CREFModel.PropertyExpression();

            condition.Items.Add(property);
            condition.Items.Add(context.TranslateNode(operand));

            var exists = new CREFModel.UnaryExpression();

            exists.Operator          = CREFModel.UnaryOperator.opExists;
            exists.OperatorSpecified = true;
            exists.Item = filter;

            return(exists);
        }
Exemplo n.º 3
0
        public object Translate(TranslationContext context, ASTNode node)
        {
            // Ideally, this would be expressed as an InValueSet expression within CREF, but in the absence of such an operator, the translation
            // Can be supporting using: Exists(Filter(ValueSet(ValueSetId), Condition(Current = Operand)))
            var valueSetId = node.GetAttribute<string>("id");
            var valueSetVersion = node.GetAttribute<string>("version");
            var valueSetAuthority = node.GetAttribute<string>("authority"); // TODO: Authority resolution?

            var operand = node.Children.FirstOrDefault(c => c.Name == "operand");

            var valueSetExpression = new CREFModel.ValueSetExpression();
            valueSetExpression.ValueSetID = valueSetId;
            if (!String.IsNullOrEmpty(valueSetVersion))
            {
                valueSetExpression.Version = Convert.ToInt32(valueSetVersion);
                valueSetExpression.VersionSpecified = true;
            }

            var filter = new CREFModel.FilterExpression();

            filter.Items.Add(valueSetExpression);

            var condition = new CREFModel.BinaryExpression();
            condition.Operator = CREFModel.BinaryOperator.opEqual;
            condition.OperatorSpecified = true;

            // Assumption: A property expression with no path specified is equivalent to a "current" reference
            var property = new CREFModel.PropertyExpression();

            condition.Items.Add(property);
            condition.Items.Add(context.TranslateNode(operand));

            var exists = new CREFModel.UnaryExpression();
            exists.Operator = CREFModel.UnaryOperator.opExists;
            exists.OperatorSpecified = true;
            exists.Item = filter;

            return exists;
        }
Exemplo n.º 4
0
        public object Translate(TranslationContext context, ASTNode node)
        {
            var result = new CREFModel.ValueSetExpression();

            // TODO: Handle Value Set Mapping
            result.ValueSetID = node.GetAttribute<string>("id");

            var version = node.GetAttribute<string>("version");
            if (!String.IsNullOrEmpty(version))
            {
                result.Version = Int32.Parse(version);
                result.VersionSpecified = true;
            }

            // TODO: Value Set Authority

            return result;
        }