Exemplo n.º 1
0
        /// <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('/'));
        }
Exemplo n.º 2
0
        /// <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('/'));
        }