/// <summary>
/// Get the string representation of <see cref="ODataPath"/>.
/// mainly translate Context Url path.
/// </summary>
/// <param name="path">Path to perform the computation on.</param>
/// <returns>The string representation of the Context Url path.</returns>
public static string ToContextUrlPathString(this ODataPath path)
{
StringBuilder pathString = new StringBuilder();
PathSegmentToContextUrlPathTranslator pathTranslator = PathSegmentToContextUrlPathTranslator.DefaultInstance;
ODataPathSegment priorSegment = null;
foreach (ODataPathSegment segment in path)
{
OperationSegment operationSegment = segment as OperationSegment;
if (operationSegment != null)
{
bool isBoundPath = false;
if (priorSegment != null)
{
foreach (IEdmOperation operation in operationSegment.Operations)
{
if (operation.IsBound && operation.Parameters.First().Type.Definition == priorSegment.EdmType)
{
if (operation.EntitySetPath != null)
{
foreach (string pathSegment in operation.EntitySetPath.PathSegments.Skip(1))
{
pathString.Append('/');
pathString.Append(pathSegment);
}
isBoundPath = true;
}
break;
}
}
}
if (!isBoundPath)
{
if (operationSegment.EntitySet != null)
{
pathString = new StringBuilder();
pathString.Append(operationSegment.EntitySet.Name);
}
else
{
return(null);
}
}
}
else
{
pathString.Append(segment.TranslateWith(pathTranslator));
}
priorSegment = segment;
}
return(pathString.ToString().TrimStart('/'));
}
/// <summary>
/// Get the string representation of <see cref="ODataPath"/>.
/// mainly translate Context Url path.
/// </summary>
/// <param name="path">Path to perform the computation on.</param>
/// <returns>The string representation of the Context Url path.</returns>
public static string ToContextUrlPathString(this ODataPath path)
{
StringBuilder pathString = new StringBuilder();
PathSegmentToContextUrlPathTranslator pathTranslator = PathSegmentToContextUrlPathTranslator.DefaultInstance;
ODataPathSegment priorSegment = null;
bool foundOperationWithoutPath = false;
foreach (ODataPathSegment segment in path)
{
OperationSegment operationSegment = segment as OperationSegment;
OperationImportSegment operationImportSegment = segment as OperationImportSegment;
if (operationImportSegment != null)
{
IEdmOperationImport operationImport = operationImportSegment.OperationImports.FirstOrDefault();
Debug.Assert(operationImport != null);
EdmPathExpression pathExpression = operationImport.EntitySet as EdmPathExpression;
if (pathExpression != null)
{
Debug.Assert(priorSegment == null); // operation import is always the first segment?
pathString.Append(pathExpression.Path);
}
else
{
pathString = operationImport.Operation.ReturnType != null ?
new StringBuilder(operationImport.Operation.ReturnType.FullName()) :
new StringBuilder("Edm.Untyped");
foundOperationWithoutPath = true;
}
}
else if (operationSegment != null)
{
IEdmOperation operation = operationSegment.Operations.FirstOrDefault();
Debug.Assert(operation != null);
if (operation.IsBound &&
priorSegment != null &&
operation.Parameters.First().Type.Definition == priorSegment.EdmType)
{
if (operation.EntitySetPath != null)
{
foreach (string pathSegment in operation.EntitySetPath.PathSegments.Skip(1))
{
pathString.Append('/');
pathString.Append(pathSegment);
}
}
else if (operationSegment.EntitySet != null)
{
// Is it correct to check EntitySet?
pathString = new StringBuilder(operationSegment.EntitySet.Name);
}
else
{
pathString = operation.ReturnType != null ?
new StringBuilder(operation.ReturnType.FullName()) :
new StringBuilder("Edm.Untyped");
foundOperationWithoutPath = true;
}
}
}
else
{
if (foundOperationWithoutPath)
{
pathString = new StringBuilder(segment.EdmType.FullTypeName());
foundOperationWithoutPath = false;
}
else
{
pathString.Append(segment.TranslateWith(pathTranslator));
}
}
priorSegment = segment;
}
return(pathString.ToString().TrimStart('/'));
}