/// <summary>
/// Try to convert a value into an EDM primitive type, if template parsing enabled, the <paramref name="valueText"/> matching
/// template would be converted into corresponding UriTemplateExpression.
/// </summary>
/// <param name="typeReference">the type to convert to (primitive or enum type)</param>
/// <param name="valueText">the value to convert</param>
/// <param name="convertedValue">The converted value, if conversion succeeded.</param>
/// <returns>true if the conversion was successful.</returns>
private bool TryConvertValue(IEdmTypeReference typeReference, string valueText, out object convertedValue)
{
if (typeReference.IsEnum())
{
QueryNode enumNode = null;
if (EnumBinder.TryBindIdentifier(valueText, typeReference.AsEnum(), null, out enumNode))
{
convertedValue = enumNode;
return(true);
}
convertedValue = null;
return(false);
}
IEdmPrimitiveTypeReference primitiveType = typeReference.AsPrimitive();
UriTemplateExpression expression;
if (this.enableUriTemplateParsing && UriTemplateParser.TryParseLiteral(valueText, primitiveType, out expression))
{
convertedValue = expression;
return(true);
}
Type primitiveClrType = EdmLibraryExtensions.GetPrimitiveClrType((IEdmPrimitiveType)primitiveType.Definition, primitiveType.IsNullable);
LiteralParser literalParser = LiteralParser.ForKeys(this.keysAsSegment);
return(literalParser.TryParseLiteral(primitiveClrType, valueText, out convertedValue));
}
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)
{
object result;
UriTemplateExpression expression;
if (enableUriTemplateParsing && UriTemplateParser.TryParseLiteral(lexer.CurrentToken.Text, functionParameter.Type, out expression))
{
result = expression;
}
else
{
// ExpressionTokenKind.BracketedExpression means text like [{\"Street\":\"NE 24th St.\",\"City\":\"Redmond\"},{\"Street\":\"Pine St.\",\"City\":\"Seattle\"}]
// so now try convert it into complex or collection type value:
result = ODataUriUtils.ConvertFromUriLiteral(valueStr, ODataVersion.V4, model, functionParameter.Type);
}
LiteralToken newValueToken = new LiteralToken(result, valueToken.OriginalText);
FunctionParameterToken newFuncParaToken = new FunctionParameterToken(funcParaToken.ParameterName, newValueToken);
partiallyParsedParametersWithComplexOrCollection.Add(newFuncParaToken);
continue;
}
}
partiallyParsedParametersWithComplexOrCollection.Add(funcParaToken);
}
return(partiallyParsedParametersWithComplexOrCollection);
}
/// <summary>
/// Try to convert a value into an EDM primitive type, if template parsing enabled, the <paramref name="valueText"/> matching
/// template would be converted into corresponding UriTemplateExpression.
/// </summary>
/// <param name="primitiveType">the type to convert to</param>
/// <param name="valueText">the value to convert</param>
/// <param name="convertedValue">The converted value, if conversion succeeded.</param>
/// <returns>true if the conversion was successful.</returns>
private bool TryConvertValue(IEdmPrimitiveTypeReference primitiveType, string valueText, out object convertedValue)
{
UriTemplateExpression expression;
if (this.enableUriTemplateParsing && UriTemplateParser.TryParseLiteral(valueText, primitiveType, out expression))
{
convertedValue = expression;
return(true);
}
Type primitiveClrType = EdmLibraryExtensions.GetPrimitiveClrType((IEdmPrimitiveType)primitiveType.Definition, primitiveType.IsNullable);
LiteralParser literalParser = LiteralParser.ForKeys(this.keysAsSegments);
return(literalParser.TryParseLiteral(primitiveClrType, valueText, out convertedValue));
}
private static ICollection <FunctionParameterToken> HandleComplexOrCollectionParameterValueIfExists(IEdmModel model, IEdmOperation functionOrOpertion, ICollection <FunctionParameterToken> parameterTokens, bool enableUriTemplateParsing = false)
{
ICollection <FunctionParameterToken> partiallyParsedParametersWithComplexOrCollection = new Collection <FunctionParameterToken>();
foreach (FunctionParameterToken funcParaToken in parameterTokens)
{
LiteralToken valueToken = funcParaToken.ValueToken as LiteralToken;
string valueStr = null;
if (valueToken != null && (valueStr = valueToken.Value as string) != null)
{
var lexer = new ExpressionLexer(valueStr, true /*moveToFirstToken*/, false /*useSemicolonDelimiter*/, true /*parsingFunctionParameters*/);
if (lexer.CurrentToken.Kind == ExpressionTokenKind.BracketedExpression)
{
var functionParameter = functionOrOpertion.FindParameter(funcParaToken.ParameterName);
if (functionParameter == null)
{
throw new ODataException(Strings.ODataParameterWriterCore_ParameterNameNotFoundInOperation(funcParaToken.ParameterName, functionOrOpertion.Name));
}
object result;
UriTemplateExpression expression;
if (enableUriTemplateParsing && UriTemplateParser.TryParseLiteral(lexer.CurrentToken.Text, functionParameter.Type, out expression))
{
result = expression;
}
else
{
// ExpressionTokenKind.BracketedExpression means text like [{\"Street\":\"NE 24th St.\",\"City\":\"Redmond\"},{\"Street\":\"Pine St.\",\"City\":\"Seattle\"}]
// so now try convert it into complex or collection type value:
result = ODataUriUtils.ConvertFromUriLiteral(valueStr, ODataVersion.V4, model, functionParameter.Type);
}
LiteralToken newValueToken = new LiteralToken(result, valueToken.OriginalText);
FunctionParameterToken newFuncParaToken = new FunctionParameterToken(funcParaToken.ParameterName, newValueToken);
partiallyParsedParametersWithComplexOrCollection.Add(newFuncParaToken);
continue;
}
}
partiallyParsedParametersWithComplexOrCollection.Add(funcParaToken);
}
return(partiallyParsedParametersWithComplexOrCollection);
}
