Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / Filter / ConstNode.cs / 1305376 / ConstNode.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Diagnostics; using System.Collections.Generic; using System.ComponentModel; using System.Globalization; internal sealed class ConstNode : ExpressionNode { internal readonly object val; internal ConstNode(DataTable table, ValueType type, object constant) : this(table, type, constant, true) { } internal ConstNode(DataTable table, ValueType type, object constant, bool fParseQuotes) : base(table) { switch (type) { case ValueType.Null: this.val = DBNull.Value; break; case ValueType.Numeric: this.val = SmallestNumeric(constant); break; case ValueType.Decimal: this.val = SmallestDecimal(constant); break; case ValueType.Float: this.val = Convert.ToDouble(constant, NumberFormatInfo.InvariantInfo); break; case ValueType.Bool: this.val = Convert.ToBoolean(constant, CultureInfo.InvariantCulture); break; case ValueType.Str: if (fParseQuotes) { // replace '' with one ' this.val = ((string)constant).Replace("''", "'"); } else { this.val = (string)constant; } break; case ValueType.Date: this.val = DateTime.Parse((string)constant, CultureInfo.InvariantCulture); break; case ValueType.Object: this.val = constant; break; default: Debug.Assert(false, "NYI"); goto case ValueType.Object; } } internal override void Bind(DataTable table, Listlist) { BindTable(table); } internal override object Eval() { return val; } internal override object Eval(DataRow row, DataRowVersion version) { return Eval(); } internal override object Eval(int[] recordNos) { return Eval(); } internal override bool IsConstant() { return true; } internal override bool IsTableConstant() { return true; } internal override bool HasLocalAggregate() { return false; } internal override bool HasRemoteAggregate() { return false; } internal override ExpressionNode Optimize() { return this; } private object SmallestDecimal(object constant) { if (null == constant) { return 0d; } else { string sval = (constant as string); if (null != sval) { decimal r12; if (Decimal.TryParse(sval, NumberStyles.Number, NumberFormatInfo.InvariantInfo, out r12)) { return r12; } double r8; if (Double.TryParse(sval, NumberStyles.Float| NumberStyles.AllowThousands, NumberFormatInfo.InvariantInfo, out r8)) { return r8; } } else { IConvertible convertible = (constant as IConvertible); if (null != convertible) { try { return convertible.ToDecimal(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } try { return convertible.ToDouble(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } } } } return constant; } private object SmallestNumeric(object constant) { if (null == constant) { return (int)0; } else { string sval = (constant as string); if (null != sval) { int i4; if (Int32.TryParse(sval, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out i4)) { return i4; } long i8; if (Int64.TryParse(sval, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out i8)) { return i8; } double r8; if (Double.TryParse(sval, NumberStyles.Float| NumberStyles.AllowThousands, NumberFormatInfo.InvariantInfo, out r8)) { return r8; } } else { IConvertible convertible = (constant as IConvertible); if (null != convertible) { try { return convertible.ToInt32(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } try { return convertible.ToInt64(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } try { return convertible.ToDouble(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } } } } return constant; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Diagnostics; using System.Collections.Generic; using System.ComponentModel; using System.Globalization; internal sealed class ConstNode : ExpressionNode { internal readonly object val; internal ConstNode(DataTable table, ValueType type, object constant) : this(table, type, constant, true) { } internal ConstNode(DataTable table, ValueType type, object constant, bool fParseQuotes) : base(table) { switch (type) { case ValueType.Null: this.val = DBNull.Value; break; case ValueType.Numeric: this.val = SmallestNumeric(constant); break; case ValueType.Decimal: this.val = SmallestDecimal(constant); break; case ValueType.Float: this.val = Convert.ToDouble(constant, NumberFormatInfo.InvariantInfo); break; case ValueType.Bool: this.val = Convert.ToBoolean(constant, CultureInfo.InvariantCulture); break; case ValueType.Str: if (fParseQuotes) { // replace '' with one ' this.val = ((string)constant).Replace("''", "'"); } else { this.val = (string)constant; } break; case ValueType.Date: this.val = DateTime.Parse((string)constant, CultureInfo.InvariantCulture); break; case ValueType.Object: this.val = constant; break; default: Debug.Assert(false, "NYI"); goto case ValueType.Object; } } internal override void Bind(DataTable table, Listlist) { BindTable(table); } internal override object Eval() { return val; } internal override object Eval(DataRow row, DataRowVersion version) { return Eval(); } internal override object Eval(int[] recordNos) { return Eval(); } internal override bool IsConstant() { return true; } internal override bool IsTableConstant() { return true; } internal override bool HasLocalAggregate() { return false; } internal override bool HasRemoteAggregate() { return false; } internal override ExpressionNode Optimize() { return this; } private object SmallestDecimal(object constant) { if (null == constant) { return 0d; } else { string sval = (constant as string); if (null != sval) { decimal r12; if (Decimal.TryParse(sval, NumberStyles.Number, NumberFormatInfo.InvariantInfo, out r12)) { return r12; } double r8; if (Double.TryParse(sval, NumberStyles.Float| NumberStyles.AllowThousands, NumberFormatInfo.InvariantInfo, out r8)) { return r8; } } else { IConvertible convertible = (constant as IConvertible); if (null != convertible) { try { return convertible.ToDecimal(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } try { return convertible.ToDouble(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } } } } return constant; } private object SmallestNumeric(object constant) { if (null == constant) { return (int)0; } else { string sval = (constant as string); if (null != sval) { int i4; if (Int32.TryParse(sval, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out i4)) { return i4; } long i8; if (Int64.TryParse(sval, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out i8)) { return i8; } double r8; if (Double.TryParse(sval, NumberStyles.Float| NumberStyles.AllowThousands, NumberFormatInfo.InvariantInfo, out r8)) { return r8; } } else { IConvertible convertible = (constant as IConvertible); if (null != convertible) { try { return convertible.ToInt32(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } try { return convertible.ToInt64(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } try { return convertible.ToDouble(NumberFormatInfo.InvariantInfo); } catch (System.ArgumentException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.FormatException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.InvalidCastException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } catch (System.OverflowException e) { ExceptionBuilder.TraceExceptionWithoutRethrow(e); } } } } return constant; } } } // 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
- CreateSequenceResponse.cs
- ListDictionaryInternal.cs
- CheckBoxFlatAdapter.cs
- hwndwrapper.cs
- PopupControlService.cs
- XmlMapping.cs
- TextWriter.cs
- FilteredXmlReader.cs
- XamlFigureLengthSerializer.cs
- ScrollBar.cs
- AttachmentCollection.cs
- DurableInstanceProvider.cs
- Message.cs
- SingleStorage.cs
- SecuritySessionServerSettings.cs
- WebRequest.cs
- EntityConnectionStringBuilderItem.cs
- SqlCommandSet.cs
- ManagementException.cs
- PtsCache.cs
- RuleRefElement.cs
- ObjectViewFactory.cs
- PackageRelationshipCollection.cs
- MemoryRecordBuffer.cs
- UInt16.cs
- DeviceSpecificChoice.cs
- InvalidOperationException.cs
- MultiBinding.cs
- ActivationWorker.cs
- UntrustedRecipientException.cs
- CancellationTokenSource.cs
- Color.cs
- BitmapSourceSafeMILHandle.cs
- ContextMenuService.cs
- Win32MouseDevice.cs
- StylusPlugin.cs
- CorrelationTokenInvalidatedHandler.cs
- XmlNamespaceDeclarationsAttribute.cs
- InheritanceAttribute.cs
- JpegBitmapEncoder.cs
- PeerNameRecord.cs
- PolicyUnit.cs
- WinEventTracker.cs
- AccessViolationException.cs
- ThousandthOfEmRealPoints.cs
- CompareInfo.cs
- DPTypeDescriptorContext.cs
- _IPv6Address.cs
- JournalNavigationScope.cs
- TableParaClient.cs
- SmtpFailedRecipientException.cs
- GridViewEditEventArgs.cs
- Base64Encoder.cs
- BaseCollection.cs
- IndicCharClassifier.cs
- TransactionalPackage.cs
- FileClassifier.cs
- VisualTreeUtils.cs
- XmlAnyElementAttributes.cs
- DecimalMinMaxAggregationOperator.cs
- ModelItem.cs
- CannotUnloadAppDomainException.cs
- RegexGroup.cs
- AppDomainResourcePerfCounters.cs
- Help.cs
- AlgoModule.cs
- Base64Decoder.cs
- CorrelationService.cs
- PersonalizationEntry.cs
- CacheOutputQuery.cs
- AttachedAnnotation.cs
- Parallel.cs
- HierarchicalDataSourceControl.cs
- FontStyleConverter.cs
- DynamicRendererThreadManager.cs
- HtmlTextArea.cs
- DefaultTraceListener.cs
- ClosableStream.cs
- IsolationInterop.cs
- SendKeys.cs
- DynamicPropertyReader.cs
- CacheVirtualItemsEvent.cs
- VerifyHashRequest.cs
- CodeVariableReferenceExpression.cs
- DataGridViewLinkCell.cs
- QilFunction.cs
- ModelItemDictionaryImpl.cs
- DefaultMemberAttribute.cs
- CheckBoxField.cs
- UserPreferenceChangingEventArgs.cs
- GetTokenRequest.cs
- HttpRequest.cs
- DocumentViewerConstants.cs
- CompositionTarget.cs
- CollectionExtensions.cs
- LicenseManager.cs
- UInt64Storage.cs
- WebBrowserNavigatingEventHandler.cs
- ScrollableControl.cs
- ComponentResourceKey.cs