Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / Parameter.cs / 1305376 / Parameter.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using Som = System.Data.EntityModel.SchemaObjectModel; using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Diagnostics; using System.Xml; using System.Data; using System.Data.Metadata.Edm; using System.Reflection; using System.IO; using System.Globalization; using System.Text; using System.Data.Entity; namespace System.Data.EntityModel.SchemaObjectModel { ////// Summary description for StructuredProperty. /// internal class Parameter : FacetEnabledSchemaElement { #region Instance Fields private ParameterDirection _parameterDirection = ParameterDirection.Input; private CollectionKind _collectionKind = CollectionKind.None; private ModelFunctionTypeElement _typeSubElement = null; private bool _isRefType = false; #endregion #region constructor ////// /// /// internal Parameter(Function parentElement) : base(parentElement) { _typeUsageBuilder = new TypeUsageBuilder(this); } #endregion #region Public Properties internal ParameterDirection ParameterDirection { get { return _parameterDirection; } } internal CollectionKind CollectionKind { get { return _collectionKind; } set { _collectionKind = value; } } internal bool IsRefType { get { return _isRefType; } } internal override TypeUsage TypeUsage { get { if (_typeSubElement != null) { return _typeSubElement.GetTypeUsage(); } else if (base.TypeUsage == null) { return null; } else if (CollectionKind != CollectionKind.None) { return TypeUsage.Create(new CollectionType(base.TypeUsage)); } else { return base.TypeUsage; } } } #endregion new internal SchemaType Type { get { return _type; } } internal void WriteIdentity(StringBuilder builder) { builder.Append("Parameter("); if (UnresolvedType != null && !UnresolvedType.Trim().Equals(String.Empty)) { if (_collectionKind != CollectionKind.None) { builder.Append("Collection(" + UnresolvedType + ")"); } else if (_isRefType) { builder.Append("Ref(" + UnresolvedType + ")"); } else { builder.Append(UnresolvedType); } } else if (_typeSubElement!=null) { _typeSubElement.WriteIdentity(builder); } builder.Append(")"); } internal override SchemaElement Clone(SchemaElement parentElement) { Parameter parameter = new Parameter((Function)parentElement); parameter._collectionKind = _collectionKind; parameter._parameterDirection = _parameterDirection; parameter._type = _type; parameter.Name = this.Name; parameter._typeUsageBuilder = this._typeUsageBuilder; return parameter; } internal bool ResolveNestedTypeNames(Converter.ConversionCache convertedItemCache, DictionarynewGlobalItems) { if (_typeSubElement == null) { return false; } return _typeSubElement.ResolveNameAndSetTypeUsage(convertedItemCache, newGlobalItems); } protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.TypeElement)) { HandleTypeAttribute(reader); return true; } else if (CanHandleAttribute(reader, XmlConstants.Mode)) { HandleModeAttribute(reader); return true; } else if (_typeUsageBuilder.HandleAttribute(reader)) { return true; } return false; } #region Private Methods private void HandleTypeAttribute(XmlReader reader) { Debug.Assert(reader != null); Debug.Assert(UnresolvedType == null); string type; if (!Utils.GetString(Schema, reader, out type)) return; TypeModifier typeModifier; Function.RemoveTypeModifier(ref type, out typeModifier, out _isRefType); switch (typeModifier) { case TypeModifier.Array: CollectionKind = CollectionKind.Bag; break; default: Debug.Assert(typeModifier == TypeModifier.None, string.Format(CultureInfo.CurrentCulture, "Type is not valid for property {0}: {1}. The modifier for the type cannot be used in this context.", FQName, reader.Value)); break; } if (!Utils.ValidateDottedName(Schema, reader, type)) return; UnresolvedType = type; } private void HandleModeAttribute(XmlReader reader) { Debug.Assert(reader != null); string value = reader.Value; if (String.IsNullOrEmpty(value)) { return; } value = value.Trim(); if (!String.IsNullOrEmpty(value)) { switch (value) { case XmlConstants.In: _parameterDirection = ParameterDirection.Input; break; case XmlConstants.Out: _parameterDirection = ParameterDirection.Output; break; case XmlConstants.InOut: _parameterDirection = ParameterDirection.InputOutput; break; default: { // don't try to identify the parameter by any of the attributes // because we are still parsing attributes, and we don't know which ones // have been parsed yet. int index = ParentElement.Parameters.Count; AddError(ErrorCode.BadParameterDirection, EdmSchemaErrorSeverity.Error, reader, System.Data.Entity.Strings.BadParameterDirection( value, index, this.ParentElement.Name, this.ParentElement.ParentElement.FQName)); } break; } } } protected override bool HandleElement(XmlReader reader) { if (base.HandleElement(reader)) { return true; } else if (CanHandleElement(reader, XmlConstants.CollectionType)) { HandleCollectionTypeElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.ReferenceType)) { HandleReferenceTypeElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.TypeRef)) { HandleTypeRefElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.RowType)) { HandleRowTypeElement(reader); return true; } return false; } protected void HandleCollectionTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new CollectionTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleReferenceTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new ReferenceTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleTypeRefElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new TypeRefElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleRowTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new RowTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } #endregion internal override void ResolveTopLevelNames() { if(_typeSubElement!=null) { _typeSubElement.ResolveTopLevelNames(); } // Can't be "else if" because element could have attribute AND sub-element, // in which case semantic validation won't work unless it has resolved both (so _type is not null) if (_unresolvedType != null) { base.ResolveTopLevelNames(); } } internal void ValidateForModelFunction() { if (_type != null && _type is ScalarType == false && _typeUsageBuilder.HasUserDefinedFacets) { //Non-scalar parameter type should not have Facets AddError(ErrorCode.ModelFuncionFacetOnNonScalarType, EdmSchemaErrorSeverity.Error, Strings.FacetsOnNonScalarType(_type.FQName)); } if (_type == null && _typeUsageBuilder.HasUserDefinedFacets) { //Type attribute not specified but facets exist AddError(ErrorCode.ModelFunctionIncorrectlyPlacedFacet, EdmSchemaErrorSeverity.Error, Strings.FacetDeclarationRequiresTypeAttribute); } if (_type == null && _typeSubElement == null) { //Type not declared as either attribute or subelement AddError(ErrorCode.ModelFunctionTypeNotDeclared, EdmSchemaErrorSeverity.Error, Strings.TypeMustBeDeclared); } if (_type != null && _typeSubElement != null) { //Both attribute and sub-element declarations exist AddError(ErrorCode.TypeDeclaredAsAttributeAndElement, EdmSchemaErrorSeverity.Error, Strings.TypeDeclaredAsAttributeAndElement); } if (_type != null && _isRefType && !(_type is SchemaEntityType)) { //Ref type refers to non entity type AddError(ErrorCode.ReferenceToNonEntityType, EdmSchemaErrorSeverity.Error, Strings.ReferenceToNonEntityType(_type.FQName)); } if (_typeSubElement != null) { _typeSubElement.Validate(); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using Som = System.Data.EntityModel.SchemaObjectModel; using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Diagnostics; using System.Xml; using System.Data; using System.Data.Metadata.Edm; using System.Reflection; using System.IO; using System.Globalization; using System.Text; using System.Data.Entity; namespace System.Data.EntityModel.SchemaObjectModel { ////// Summary description for StructuredProperty. /// internal class Parameter : FacetEnabledSchemaElement { #region Instance Fields private ParameterDirection _parameterDirection = ParameterDirection.Input; private CollectionKind _collectionKind = CollectionKind.None; private ModelFunctionTypeElement _typeSubElement = null; private bool _isRefType = false; #endregion #region constructor ////// /// /// internal Parameter(Function parentElement) : base(parentElement) { _typeUsageBuilder = new TypeUsageBuilder(this); } #endregion #region Public Properties internal ParameterDirection ParameterDirection { get { return _parameterDirection; } } internal CollectionKind CollectionKind { get { return _collectionKind; } set { _collectionKind = value; } } internal bool IsRefType { get { return _isRefType; } } internal override TypeUsage TypeUsage { get { if (_typeSubElement != null) { return _typeSubElement.GetTypeUsage(); } else if (base.TypeUsage == null) { return null; } else if (CollectionKind != CollectionKind.None) { return TypeUsage.Create(new CollectionType(base.TypeUsage)); } else { return base.TypeUsage; } } } #endregion new internal SchemaType Type { get { return _type; } } internal void WriteIdentity(StringBuilder builder) { builder.Append("Parameter("); if (UnresolvedType != null && !UnresolvedType.Trim().Equals(String.Empty)) { if (_collectionKind != CollectionKind.None) { builder.Append("Collection(" + UnresolvedType + ")"); } else if (_isRefType) { builder.Append("Ref(" + UnresolvedType + ")"); } else { builder.Append(UnresolvedType); } } else if (_typeSubElement!=null) { _typeSubElement.WriteIdentity(builder); } builder.Append(")"); } internal override SchemaElement Clone(SchemaElement parentElement) { Parameter parameter = new Parameter((Function)parentElement); parameter._collectionKind = _collectionKind; parameter._parameterDirection = _parameterDirection; parameter._type = _type; parameter.Name = this.Name; parameter._typeUsageBuilder = this._typeUsageBuilder; return parameter; } internal bool ResolveNestedTypeNames(Converter.ConversionCache convertedItemCache, DictionarynewGlobalItems) { if (_typeSubElement == null) { return false; } return _typeSubElement.ResolveNameAndSetTypeUsage(convertedItemCache, newGlobalItems); } protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.TypeElement)) { HandleTypeAttribute(reader); return true; } else if (CanHandleAttribute(reader, XmlConstants.Mode)) { HandleModeAttribute(reader); return true; } else if (_typeUsageBuilder.HandleAttribute(reader)) { return true; } return false; } #region Private Methods private void HandleTypeAttribute(XmlReader reader) { Debug.Assert(reader != null); Debug.Assert(UnresolvedType == null); string type; if (!Utils.GetString(Schema, reader, out type)) return; TypeModifier typeModifier; Function.RemoveTypeModifier(ref type, out typeModifier, out _isRefType); switch (typeModifier) { case TypeModifier.Array: CollectionKind = CollectionKind.Bag; break; default: Debug.Assert(typeModifier == TypeModifier.None, string.Format(CultureInfo.CurrentCulture, "Type is not valid for property {0}: {1}. The modifier for the type cannot be used in this context.", FQName, reader.Value)); break; } if (!Utils.ValidateDottedName(Schema, reader, type)) return; UnresolvedType = type; } private void HandleModeAttribute(XmlReader reader) { Debug.Assert(reader != null); string value = reader.Value; if (String.IsNullOrEmpty(value)) { return; } value = value.Trim(); if (!String.IsNullOrEmpty(value)) { switch (value) { case XmlConstants.In: _parameterDirection = ParameterDirection.Input; break; case XmlConstants.Out: _parameterDirection = ParameterDirection.Output; break; case XmlConstants.InOut: _parameterDirection = ParameterDirection.InputOutput; break; default: { // don't try to identify the parameter by any of the attributes // because we are still parsing attributes, and we don't know which ones // have been parsed yet. int index = ParentElement.Parameters.Count; AddError(ErrorCode.BadParameterDirection, EdmSchemaErrorSeverity.Error, reader, System.Data.Entity.Strings.BadParameterDirection( value, index, this.ParentElement.Name, this.ParentElement.ParentElement.FQName)); } break; } } } protected override bool HandleElement(XmlReader reader) { if (base.HandleElement(reader)) { return true; } else if (CanHandleElement(reader, XmlConstants.CollectionType)) { HandleCollectionTypeElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.ReferenceType)) { HandleReferenceTypeElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.TypeRef)) { HandleTypeRefElement(reader); return true; } else if (CanHandleElement(reader, XmlConstants.RowType)) { HandleRowTypeElement(reader); return true; } return false; } protected void HandleCollectionTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new CollectionTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleReferenceTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new ReferenceTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleTypeRefElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new TypeRefElement(this); subElement.Parse(reader); _typeSubElement = subElement; } protected void HandleRowTypeElement(XmlReader reader) { Debug.Assert(reader != null); var subElement = new RowTypeElement(this); subElement.Parse(reader); _typeSubElement = subElement; } #endregion internal override void ResolveTopLevelNames() { if(_typeSubElement!=null) { _typeSubElement.ResolveTopLevelNames(); } // Can't be "else if" because element could have attribute AND sub-element, // in which case semantic validation won't work unless it has resolved both (so _type is not null) if (_unresolvedType != null) { base.ResolveTopLevelNames(); } } internal void ValidateForModelFunction() { if (_type != null && _type is ScalarType == false && _typeUsageBuilder.HasUserDefinedFacets) { //Non-scalar parameter type should not have Facets AddError(ErrorCode.ModelFuncionFacetOnNonScalarType, EdmSchemaErrorSeverity.Error, Strings.FacetsOnNonScalarType(_type.FQName)); } if (_type == null && _typeUsageBuilder.HasUserDefinedFacets) { //Type attribute not specified but facets exist AddError(ErrorCode.ModelFunctionIncorrectlyPlacedFacet, EdmSchemaErrorSeverity.Error, Strings.FacetDeclarationRequiresTypeAttribute); } if (_type == null && _typeSubElement == null) { //Type not declared as either attribute or subelement AddError(ErrorCode.ModelFunctionTypeNotDeclared, EdmSchemaErrorSeverity.Error, Strings.TypeMustBeDeclared); } if (_type != null && _typeSubElement != null) { //Both attribute and sub-element declarations exist AddError(ErrorCode.TypeDeclaredAsAttributeAndElement, EdmSchemaErrorSeverity.Error, Strings.TypeDeclaredAsAttributeAndElement); } if (_type != null && _isRefType && !(_type is SchemaEntityType)) { //Ref type refers to non entity type AddError(ErrorCode.ReferenceToNonEntityType, EdmSchemaErrorSeverity.Error, Strings.ReferenceToNonEntityType(_type.FQName)); } if (_typeSubElement != null) { _typeSubElement.Validate(); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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