/// <summary> /// Converts the given <paramref name="value"/> to a corresponding CLR type. Expects the /// <paramref name="value"/> to have already been properly unescaped from an actual Uri. /// </summary> /// <param name="value">Value from a Uri to be converted.</param> /// <param name="version">Version to be compliant with.</param> /// <param name="model">Optional model to perform verification against.</param> /// <param name="typeReference">Optional IEdmTypeReference to perform verification against. /// Callers must provide a <paramref name="model"/> containing this type if it is specified.</param> /// <returns>A CLR object that the <paramref name="value"/> represents or an EnumNode.</returns> public static object ConvertFromUriLiteral(string value, ODataVersion version, IEdmModel model, IEdmTypeReference typeReference) { ExceptionUtils.CheckArgumentNotNull(value, "value"); if (typeReference != null && model == null) { throw new ODataException(ODataErrorStrings.ODataUriUtils_ConvertFromUriLiteralTypeRefWithoutModel); } if (model == null) { model = Microsoft.OData.Edm.EdmCoreModel.Instance; } // Let ExpressionLexer try to get a primitive ExpressionLexer lexer = new ExpressionLexer(value, false /*moveToFirstToken*/, false /*useSemicolonDelimeter*/); Exception error; ExpressionToken token; lexer.TryPeekNextToken(out token, out error); if (token.Kind == ExpressionTokenKind.BracedExpression && typeReference != null && typeReference.IsStructured()) { return(ODataUriConversionUtils.ConvertFromResourceValue(value, model, typeReference)); } if (token.Kind == ExpressionTokenKind.BracketedExpression) { return(ODataUriConversionUtils.ConvertFromCollectionValue(value, model, typeReference)); } QueryNode enumConstNode; if ((token.Kind == ExpressionTokenKind.Identifier) && // then try parsing the entire text as enum value EnumBinder.TryBindIdentifier(lexer.ExpressionText, null, model, out enumConstNode)) { return(((ConstantNode)enumConstNode).Value); } object result = lexer.ReadLiteralToken(); // If we have a typeReference then perform verification and convert if necessary if (typeReference != null) { result = ODataUriConversionUtils.VerifyAndCoerceUriPrimitiveLiteral(result, value, model, typeReference); } return(result); }
public static string ConvertToUriLiteral(object value, ODataVersion version, IEdmModel model) { if (value == null) { value = new ODataNullValue(); } if (model == null) { model = Microsoft.OData.Edm.EdmCoreModel.Instance; } ODataNullValue nullValue = value as ODataNullValue; if (nullValue != null) { return(ExpressionConstants.KeywordNull); } ODataResourceValue resourceValue = value as ODataResourceValue; if (resourceValue != null) { return(ODataUriConversionUtils.ConvertToResourceLiteral(resourceValue, model, version)); } ODataCollectionValue collectionValue = value as ODataCollectionValue; if (collectionValue != null) { return(ODataUriConversionUtils.ConvertToUriCollectionLiteral(collectionValue, model, version)); } ODataEnumValue enumValue = value as ODataEnumValue; if (enumValue != null) { return(ODataUriConversionUtils.ConvertToUriEnumLiteral(enumValue, version)); } ODataResourceBase resource = value as ODataResourceBase; if (resource != null) { return(ODataUriConversionUtils.ConvertToUriEntityLiteral(resource, model)); } ODataEntityReferenceLink link = value as ODataEntityReferenceLink; if (link != null) { return(ODataUriConversionUtils.ConvertToUriEntityReferenceLiteral(link, model)); } ODataEntityReferenceLinks links = value as ODataEntityReferenceLinks; if (links != null) { return(ODataUriConversionUtils.ConvertToUriEntityReferencesLiteral(links, model)); } IEnumerable <ODataResourceBase> list = value as IEnumerable <ODataResourceBase>; if (list != null) { return(ODataUriConversionUtils.ConvertToUriEntitiesLiteral(list, model)); } // Try to convert uints to their underlying type first according to the model. value = model.ConvertToUnderlyingTypeIfUIntValue(value); return(ODataUriConversionUtils.ConvertToUriPrimitiveLiteral(value, version)); }