// Translate the object of key in ODL path to string literal.
private static string TranslateKeySegmentValue(object value, bool enableUriTemplateParsing)
{
if (value == null)
{
throw Error.ArgumentNull("value");
}
if (enableUriTemplateParsing)
{
Semantic.UriTemplateExpression uriTemplateExpression = value as Semantic.UriTemplateExpression;
if (uriTemplateExpression != null)
{
return(uriTemplateExpression.LiteralText);
}
}
Semantic.ConstantNode constantNode = value as Semantic.ConstantNode;
if (constantNode != null)
{
ODataEnumValue enumValue = constantNode.Value as ODataEnumValue;
if (enumValue != null)
{
return(ODataUriUtils.ConvertToUriLiteral(enumValue, ODataVersion.V4));
}
}
return(ODataUriUtils.ConvertToUriLiteral(value, ODataVersion.V4));
}
/// <summary>
/// Parse a literal as Uri template.
/// </summary>
/// <param name="literalText">The input text.</param>
/// <param name="expectedType">The expected type of the object which the Uri template stands for.</param>
/// <param name="expression">The <see cref="UriTemplateExpression"/> representing the Uri template.</param>
/// <returns>True if successfully expression parsed, false otherwise. </returns>
internal static bool TryParseLiteral(string literalText, IEdmTypeReference expectedType, out UriTemplateExpression expression)
{
if (IsValidTemplateLiteral(literalText))
{
expression = new UriTemplateExpression { LiteralText = literalText, ExpectedType = expectedType };
return true;
}
expression = null;
return false;
}
// Translate the node in ODL path to string literal.
private string TranslateNode(object node)
{
if (node == null)
{
throw Error.ArgumentNull("node");
}
Semantic.ConstantNode constantNode = node as Semantic.ConstantNode;
if (constantNode != null)
{
if (_enableUriTemplateParsing)
{
Semantic.UriTemplateExpression uriTemplateExpression = constantNode.Value as Semantic.UriTemplateExpression;
if (uriTemplateExpression != null)
{
return(uriTemplateExpression.LiteralText);
}
}
// Make the enum prefix free to work.
ODataEnumValue enumValue = constantNode.Value as ODataEnumValue;
if (enumValue != null)
{
return(ODataUriUtils.ConvertToUriLiteral(enumValue, ODataVersion.V4));
}
return(constantNode.LiteralText);
}
Semantic.ConvertNode convertNode = node as Semantic.ConvertNode;
if (convertNode != null)
{
return(TranslateNode(convertNode.Source));
}
Semantic.ParameterAliasNode parameterAliasNode = node as Semantic.ParameterAliasNode;
if (parameterAliasNode != null)
{
return(TranslateParameterAlias(parameterAliasNode.Alias));
}
throw Error.NotSupported(
SRResources.CannotRecognizeNodeType,
typeof(ODataPathSegmentTranslator),
node.GetType().FullName);
}