Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / SchemaLookupTable.cs / 2 / SchemaLookupTable.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Data; using System.Data.Metadata.Edm; using System.Diagnostics; using System.Data.Entity; namespace System.Data.EntityModel.SchemaObjectModel { ////// Reponsible for keep map from alias to namespace for a given schema. /// internal sealed class AliasResolver { #region Fields private Dictionary_aliasToNamespaceMap = new Dictionary (StringComparer.Ordinal); private List _usingElementCollection = new List (); private Schema _definingSchema; #endregion #region Public Methods /// /// Construct the LookUp table /// public AliasResolver(Schema schema) { _definingSchema = schema; // If there is an alias defined for the defining schema, // add it to the look up table if (!string.IsNullOrEmpty(schema.Alias)) { _aliasToNamespaceMap.Add(schema.Alias, schema.Namespace); } } ////// Add a ReferenceSchema to the table /// /// the ReferenceSchema to add public void Add(UsingElement usingElement) { Debug.Assert(usingElement != null, "refSchema parameter is null"); string newNamespace = usingElement.NamespaceName; string newAlias = usingElement.Alias; // Check whether the alias is a reserved keyword if (CheckForSystemNamespace(usingElement, newAlias, NameKind.Alias)) { newAlias = null; } //Check whether the namespace is a reserved keyword if (CheckForSystemNamespace(usingElement, newNamespace, NameKind.Namespace)) { newNamespace = null; } // see if the alias has already been used if (newAlias != null && _aliasToNamespaceMap.ContainsKey(newAlias)) { // it has, issue an error and make sure we don't try to add it usingElement.AddError(ErrorCode.AlreadyDefined, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.AliasNameIsAlreadyDefined(newAlias)); newAlias = null; } // Its okay if they add the same namespace twice, until they have different alias // if there's an alias, add it. if (newAlias != null) { _aliasToNamespaceMap.Add(newAlias, newNamespace); _usingElementCollection.Add(usingElement); } } ////// Get the Schema(s) a namespace or alias might refer to /// returned schemas may be null is called before or during Schema Resolution /// /// the name to look up ///array of schemas (0 length if no schemas match name public bool TryResolveAlias(string alias, out string namespaceName) { Debug.Assert(!String.IsNullOrEmpty(alias), "alias must never be null"); // Check if there is an alias defined with this name return _aliasToNamespaceMap.TryGetValue(alias, out namespaceName); } ////// Resolves all the namespace specified in the using elements in this schema /// public void ResolveNamespaces() { foreach (UsingElement usingElement in _usingElementCollection) { if (!_definingSchema.SchemaManager.IsValidNamespaceName(usingElement.NamespaceName)) { usingElement.AddError(ErrorCode.InvalidNamespaceInUsing, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidNamespaceInUsing(usingElement.NamespaceName)); } } } #endregion #region Private Methods ////// Check if the given name is a reserved keyword. if yes, add appropriate error to the refschema /// /// /// /// ///private bool CheckForSystemNamespace(UsingElement refSchema, string name, NameKind nameKind) { Debug.Assert(_definingSchema.ProviderManifest != null, "Since we don't allow using elements in provider manifest, provider manifest can never be null"); // We need to check for system namespace if (EdmItemCollection.IsSystemNamespace(_definingSchema.ProviderManifest, name)) { if (nameKind == NameKind.Alias) { refSchema.AddError(ErrorCode.CannotUseSystemNamespaceAsAlias, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.CannotUseSystemNamespaceAsAlias(name)); } else { refSchema.AddError(ErrorCode.NeedNotUseSystemNamespaceInUsing, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.NeedNotUseSystemNamespaceInUsing(name)); } return true; } return false; } #endregion #region Private Types /// /// Kind of Name /// private enum NameKind { ///It's an Alias Alias, ///It's a namespace Namespace, } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Data; using System.Data.Metadata.Edm; using System.Diagnostics; using System.Data.Entity; namespace System.Data.EntityModel.SchemaObjectModel { ////// Reponsible for keep map from alias to namespace for a given schema. /// internal sealed class AliasResolver { #region Fields private Dictionary_aliasToNamespaceMap = new Dictionary (StringComparer.Ordinal); private List _usingElementCollection = new List (); private Schema _definingSchema; #endregion #region Public Methods /// /// Construct the LookUp table /// public AliasResolver(Schema schema) { _definingSchema = schema; // If there is an alias defined for the defining schema, // add it to the look up table if (!string.IsNullOrEmpty(schema.Alias)) { _aliasToNamespaceMap.Add(schema.Alias, schema.Namespace); } } ////// Add a ReferenceSchema to the table /// /// the ReferenceSchema to add public void Add(UsingElement usingElement) { Debug.Assert(usingElement != null, "refSchema parameter is null"); string newNamespace = usingElement.NamespaceName; string newAlias = usingElement.Alias; // Check whether the alias is a reserved keyword if (CheckForSystemNamespace(usingElement, newAlias, NameKind.Alias)) { newAlias = null; } //Check whether the namespace is a reserved keyword if (CheckForSystemNamespace(usingElement, newNamespace, NameKind.Namespace)) { newNamespace = null; } // see if the alias has already been used if (newAlias != null && _aliasToNamespaceMap.ContainsKey(newAlias)) { // it has, issue an error and make sure we don't try to add it usingElement.AddError(ErrorCode.AlreadyDefined, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.AliasNameIsAlreadyDefined(newAlias)); newAlias = null; } // Its okay if they add the same namespace twice, until they have different alias // if there's an alias, add it. if (newAlias != null) { _aliasToNamespaceMap.Add(newAlias, newNamespace); _usingElementCollection.Add(usingElement); } } ////// Get the Schema(s) a namespace or alias might refer to /// returned schemas may be null is called before or during Schema Resolution /// /// the name to look up ///array of schemas (0 length if no schemas match name public bool TryResolveAlias(string alias, out string namespaceName) { Debug.Assert(!String.IsNullOrEmpty(alias), "alias must never be null"); // Check if there is an alias defined with this name return _aliasToNamespaceMap.TryGetValue(alias, out namespaceName); } ////// Resolves all the namespace specified in the using elements in this schema /// public void ResolveNamespaces() { foreach (UsingElement usingElement in _usingElementCollection) { if (!_definingSchema.SchemaManager.IsValidNamespaceName(usingElement.NamespaceName)) { usingElement.AddError(ErrorCode.InvalidNamespaceInUsing, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.InvalidNamespaceInUsing(usingElement.NamespaceName)); } } } #endregion #region Private Methods ////// Check if the given name is a reserved keyword. if yes, add appropriate error to the refschema /// /// /// /// ///private bool CheckForSystemNamespace(UsingElement refSchema, string name, NameKind nameKind) { Debug.Assert(_definingSchema.ProviderManifest != null, "Since we don't allow using elements in provider manifest, provider manifest can never be null"); // We need to check for system namespace if (EdmItemCollection.IsSystemNamespace(_definingSchema.ProviderManifest, name)) { if (nameKind == NameKind.Alias) { refSchema.AddError(ErrorCode.CannotUseSystemNamespaceAsAlias, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.CannotUseSystemNamespaceAsAlias(name)); } else { refSchema.AddError(ErrorCode.NeedNotUseSystemNamespaceInUsing, EdmSchemaErrorSeverity.Error, System.Data.Entity.Strings.NeedNotUseSystemNamespaceInUsing(name)); } return true; } return false; } #endregion #region Private Types /// /// Kind of Name /// private enum NameKind { ///It's an Alias Alias, ///It's a namespace Namespace, } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- IndentedTextWriter.cs
- xmlsaver.cs
- ExpressionConverter.cs
- UserControlParser.cs
- TraceHandlerErrorFormatter.cs
- ClonableStack.cs
- ApplicationBuildProvider.cs
- MultipartContentParser.cs
- ArraySortHelper.cs
- NotImplementedException.cs
- XamlInt32CollectionSerializer.cs
- MonthCalendar.cs
- AxHost.cs
- FormViewInsertedEventArgs.cs
- ResourceIDHelper.cs
- Shape.cs
- ObjectQueryProvider.cs
- IPGlobalProperties.cs
- ConversionContext.cs
- ImageKeyConverter.cs
- ScriptRegistrationManager.cs
- Point4DConverter.cs
- ImageSource.cs
- DataServiceQueryException.cs
- SQLByteStorage.cs
- ColorContext.cs
- XmlRawWriterWrapper.cs
- ElementInit.cs
- EntityContainerRelationshipSet.cs
- XhtmlTextWriter.cs
- DataQuery.cs
- DataSourceExpressionCollection.cs
- SessionIDManager.cs
- SynchronizedInputPattern.cs
- ListBoxItemAutomationPeer.cs
- Tablet.cs
- ForceCopyBuildProvider.cs
- PerformanceCounterPermissionEntryCollection.cs
- EntityDataSourceDataSelectionPanel.cs
- NativeMethods.cs
- BinaryMethodMessage.cs
- EntityDescriptor.cs
- DataGridViewCellParsingEventArgs.cs
- XmlName.cs
- ReferenceList.cs
- SafeRightsManagementPubHandle.cs
- BrowserInteropHelper.cs
- ReverseInheritProperty.cs
- BadImageFormatException.cs
- PrintPreviewDialog.cs
- ErrorWebPart.cs
- BindingCollection.cs
- QuaternionValueSerializer.cs
- NonParentingControl.cs
- HttpListenerException.cs
- PartitionResolver.cs
- Suspend.cs
- Variant.cs
- RotateTransform3D.cs
- HashCodeCombiner.cs
- Paragraph.cs
- SocketStream.cs
- RemotingSurrogateSelector.cs
- FrameworkEventSource.cs
- PageCache.cs
- ArrayEditor.cs
- ExceptionNotification.cs
- EpmTargetPathSegment.cs
- Constraint.cs
- EncryptedData.cs
- StringComparer.cs
- MgmtResManager.cs
- MissingMethodException.cs
- NamedObject.cs
- BlurEffect.cs
- DesignerForm.cs
- CompilationRelaxations.cs
- WindowsFormsLinkLabel.cs
- MemberRelationshipService.cs
- BrowserInteropHelper.cs
- EventLog.cs
- ExpressionParser.cs
- ThemeDirectoryCompiler.cs
- ExpressionPrefixAttribute.cs
- OptimalTextSource.cs
- ToolstripProfessionalRenderer.cs
- XmlSchemaType.cs
- DoubleKeyFrameCollection.cs
- SqlInternalConnection.cs
- ProfilePropertyNameValidator.cs
- PermissionToken.cs
- HtmlSelect.cs
- IDictionary.cs
- DSASignatureFormatter.cs
- PerformanceCounterPermissionAttribute.cs
- MetabaseServerConfig.cs
- ZipIOCentralDirectoryDigitalSignature.cs
- VariableQuery.cs
- AccessText.cs
- AttributeCollection.cs