示例#1
0
        public override IDictionary <IEdmOperationParameter, SingleValueNode> ResolveOperationParameters(IEdmOperation operation, IDictionary <string, SingleValueNode> input)
        {
            Dictionary <IEdmOperationParameter, SingleValueNode> result = new Dictionary <IEdmOperationParameter, SingleValueNode>(EqualityComparer <IEdmOperationParameter> .Default);

            foreach (var item in input)
            {
                IEdmOperationParameter functionParameter = null;
                if (EnableCaseInsensitive)
                {
                    functionParameter = ODataUriResolver.ResolveOpearationParameterNameCaseInsensitive(operation, item.Key);
                }
                else
                {
                    functionParameter = operation.FindParameter(item.Key);
                }

                // ensure parameter name existis
                if (functionParameter == null)
                {
                    throw new ODataException(Strings.ODataParameterWriterCore_ParameterNameNotFoundInOperation(item.Key, operation.Name));
                }

                SingleValueNode newVal = item.Value;

                if (functionParameter.Type.IsEnum() &&
                    newVal is ConstantNode &&
                    newVal.TypeReference != null &&
                    newVal.TypeReference.IsString())
                {
                    string            text = ((ConstantNode)item.Value).Value as string;
                    ODataEnumValue    val;
                    IEdmTypeReference typeRef = functionParameter.Type;

                    if (TryParseEnum(typeRef.Definition as IEdmEnumType, text, out val))
                    {
                        newVal = new ConstantNode(val, text, typeRef);
                    }
                }

                result.Add(functionParameter, newVal);
            }

            return(result);
        }
示例#2
0
        /// <summary>
        /// This is temp work around for $filter $orderby parameter expression which contains complex or collection
        ///     like "Fully.Qualified.Namespace.CanMoveToAddresses(addresses=[{\"Street\":\"NE 24th St.\",\"City\":\"Redmond\"},{\"Street\":\"Pine St.\",\"City\":\"Seattle\"}])";
        /// TODO:  $filter $orderby parameter expression which contains nested complex or collection should NOT be supported in this way
        ///     but should be parsed into token tree, and binded to node tree: parsedParameters.Select(p => this.bindMethod(p));
        /// </summary>
        /// <param name="model">The model.</param>
        /// <param name="operation">IEdmFunction or IEdmOperation</param>
        /// <param name="parameterTokens">The tokens to bind.</param>
        /// <param name="enableCaseInsensitive">Whether to enable case-insensitive when resolving parameter name.</param>
        /// <param name="enableUriTemplateParsing">Whether Uri template parsing is enabled.</param>
        /// <returns>The FunctionParameterTokens with complex or collection values converted from string like "{...}", or "[..,..,..]".</returns>
        private static ICollection <FunctionParameterToken> HandleComplexOrCollectionParameterValueIfExists(IEdmModel model, IEdmOperation operation, ICollection <FunctionParameterToken> parameterTokens, bool enableCaseInsensitive, bool enableUriTemplateParsing = false)
        {
            ICollection <FunctionParameterToken> partiallyParsedParametersWithComplexOrCollection = new Collection <FunctionParameterToken>();

            foreach (FunctionParameterToken paraToken in parameterTokens)
            {
                FunctionParameterToken funcParaToken;
                IEdmOperationParameter functionParameter = operation.FindParameter(paraToken.ParameterName);
                if (enableCaseInsensitive && functionParameter == null)
                {
                    functionParameter = ODataUriResolver.ResolveOpearationParameterNameCaseInsensitive(operation, paraToken.ParameterName);

                    // The functionParameter can not be null here, else this method won't be called.
                    funcParaToken = new FunctionParameterToken(functionParameter.Name, paraToken.ValueToken);
                }
                else
                {
                    funcParaToken = paraToken;
                }

                FunctionParameterAliasToken aliasToken = funcParaToken.ValueToken as FunctionParameterAliasToken;
                if (aliasToken != null)
                {
                    aliasToken.ExpectedParameterType = functionParameter.Type;
                }

                LiteralToken valueToken = funcParaToken.ValueToken as LiteralToken;
                string       valueStr   = null;
                if (valueToken != null && (valueStr = valueToken.Value as string) != null && !string.IsNullOrEmpty(valueToken.OriginalText))
                {
                    var lexer = new ExpressionLexer(valueToken.OriginalText, true /*moveToFirstToken*/, false /*useSemicolonDelimiter*/, true /*parsingFunctionParameters*/);
                    if (lexer.CurrentToken.Kind == ExpressionTokenKind.BracketedExpression || lexer.CurrentToken.Kind == ExpressionTokenKind.BracedExpression)
                    {
                        object result;
                        UriTemplateExpression expression;

                        if (enableUriTemplateParsing && UriTemplateParser.TryParseLiteral(lexer.CurrentToken.Text, functionParameter.Type, out expression))
                        {
                            result = expression;
                        }
                        else if (!functionParameter.Type.IsStructured() && !functionParameter.Type.IsStructuredCollectionType())
                        {
                            // ExpressionTokenKind.BracketedExpression means text like [1,2]
                            // so now try convert it to collection type value:
                            result = ODataUriUtils.ConvertFromUriLiteral(valueStr, ODataVersion.V4, model, functionParameter.Type);
                        }
                        else
                        {
                            // For complex & colleciton of complex directly return the raw string.
                            partiallyParsedParametersWithComplexOrCollection.Add(funcParaToken);
                            continue;
                        }

                        LiteralToken           newValueToken    = new LiteralToken(result, valueToken.OriginalText);
                        FunctionParameterToken newFuncParaToken = new FunctionParameterToken(funcParaToken.ParameterName, newValueToken);
                        partiallyParsedParametersWithComplexOrCollection.Add(newFuncParaToken);
                        continue;
                    }
                }

                partiallyParsedParametersWithComplexOrCollection.Add(funcParaToken);
            }

            return(partiallyParsedParametersWithComplexOrCollection);
        }