Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / clr / src / BCL / System / Globalization / SortKey.cs / 1 / SortKey.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== //////////////////////////////////////////////////////////////////////////// // // Class: SortKey // // Purpose: This class implements a set of methods for retrieving // sort key information. // // Date: August 12, 1998 // //////////////////////////////////////////////////////////////////////////// namespace System.Globalization { using System; using System.Runtime.CompilerServices; [System.Runtime.InteropServices.ComVisible(true)] [Serializable] public class SortKey { //--------------------------------------------------------------------// // Internal Information // //-------------------------------------------------------------------// // // Variables. // internal int win32LCID; // 32-bit Win32 locale ID. It may contain a 4-bit sort ID. internal CompareOptions options; // options internal String m_String; // original string internal byte[] m_KeyData; // sortkey data // Mask used to check if the c'tor has the right flags. private const CompareOptions ValidSortkeyCtorMaskOffFlags = ~(CompareOptions.IgnoreCase | CompareOptions.IgnoreSymbols | CompareOptions.IgnoreNonSpace | CompareOptions.IgnoreWidth | CompareOptions.IgnoreKanaType | CompareOptions.StringSort); //////////////////////////////////////////////////////////////////////// // // SortKey Constructor // // Implements CultureInfo.CompareInfo.GetSortKey(). // Package access only. // //////////////////////////////////////////////////////////////////////// unsafe internal SortKey(void* pSortingFile, int win32LCID, String str, CompareOptions options) { if (str==null) { throw new ArgumentNullException("str"); } // // WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! // // This parameter check was added in Whidbey prior to Beta 2. We are keeping this // change in mind in case we hear of any issues with it. // // WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! // if ((options & ValidSortkeyCtorMaskOffFlags) != 0) { throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag"), "options"); } //This takes the sort id from CompareInfo, so we should be able to skip initializing it. this.win32LCID = win32LCID; this.options = options; m_String = str; //We need an initialized SortTable here, but since we're getting this as an instance //method off of a CompareInfo, we're guaranteed that that already happened. m_KeyData = CompareInfo.nativeCreateSortKey(pSortingFile, str, (int)options, win32LCID); } #if !FEATURE_PAL // // The following constructor is designed to be called from CompareInfo to get the // the sort key of specific string for synthetic culture // //internal SortKey(int win32LCID, String str, CompareOptions options) { if (str==null) { throw new ArgumentNullException("str"); } if ((options & ValidSortkeyCtorMaskOffFlags) != 0) { throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag"), "options"); } if (CultureInfo.GetNativeSortKey(win32LCID, CompareInfo.GetNativeCompareFlags(options), str, str.Length, out m_KeyData) < 0) { throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag"), "str"); } this.win32LCID = win32LCID; this.options = options; this.m_String = str; } #endif // !FEATURE_PAL //////////////////////////////////////////////////////////////////////// // // GetOriginalString // // Returns the original string used to create the current instance // of SortKey. // //////////////////////////////////////////////////////////////////////// public virtual String OriginalString { get { return (m_String); } } //////////////////////////////////////////////////////////////////////// // // GetKeyData // // Returns a byte array representing the current instance of the // sort key. // //////////////////////////////////////////////////////////////////////// public virtual byte[] KeyData { get { return (byte[])(m_KeyData.Clone()); } } //////////////////////////////////////////////////////////////////////// // // Compare // // Compares the two sort keys. Returns 0 if the two sort keys are // equal, a number less than 0 if sortkey1 is less than sortkey2, // and a number greater than 0 if sortkey1 is greater than sortkey2. // //////////////////////////////////////////////////////////////////////// public static int Compare(SortKey sortkey1, SortKey sortkey2) { if (sortkey1==null || sortkey2==null) { throw new ArgumentNullException((sortkey1==null ? "sortkey1": "sortkey2")); } byte[] key1Data = sortkey1.m_KeyData; byte[] key2Data = sortkey2.m_KeyData; BCLDebug.Assert(key1Data!=null, "key1Data!=null"); BCLDebug.Assert(key2Data!=null, "key2Data!=null"); if (key1Data.Length == 0) { if (key2Data.Length == 0) { return (0); } return (-1); } if (key2Data.Length == 0) { return (1); } int compLen = (key1Data.Length key2Data[i]) { return (1); } if (key1Data[i] internal SortKey(int win32LCID, String str, CompareOptions options) { if (str==null) { throw new ArgumentNullException("str"); } if ((options & ValidSortkeyCtorMaskOffFlags) != 0) { throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag"), "options"); } if (CultureInfo.GetNativeSortKey(win32LCID, CompareInfo.GetNativeCompareFlags(options), str, str.Length, out m_KeyData) < 0) { throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag"), "str"); } this.win32LCID = win32LCID; this.options = options; this.m_String = str; } #endif // !FEATURE_PAL //////////////////////////////////////////////////////////////////////// // // GetOriginalString // // Returns the original string used to create the current instance // of SortKey. // //////////////////////////////////////////////////////////////////////// public virtual String OriginalString { get { return (m_String); } } //////////////////////////////////////////////////////////////////////// // // GetKeyData // // Returns a byte array representing the current instance of the // sort key. // //////////////////////////////////////////////////////////////////////// public virtual byte[] KeyData { get { return (byte[])(m_KeyData.Clone()); } } //////////////////////////////////////////////////////////////////////// // // Compare // // Compares the two sort keys. Returns 0 if the two sort keys are // equal, a number less than 0 if sortkey1 is less than sortkey2, // and a number greater than 0 if sortkey1 is greater than sortkey2. // //////////////////////////////////////////////////////////////////////// public static int Compare(SortKey sortkey1, SortKey sortkey2) { if (sortkey1==null || sortkey2==null) { throw new ArgumentNullException((sortkey1==null ? "sortkey1": "sortkey2")); } byte[] key1Data = sortkey1.m_KeyData; byte[] key2Data = sortkey2.m_KeyData; BCLDebug.Assert(key1Data!=null, "key1Data!=null"); BCLDebug.Assert(key2Data!=null, "key2Data!=null"); if (key1Data.Length == 0) { if (key2Data.Length == 0) { return (0); } return (-1); } if (key2Data.Length == 0) { return (1); } int compLen = (key1Data.Length key2Data[i]) { return (1); } if (key1Data[i]
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TableCell.cs
- AssemblyBuilderData.cs
- PixelShader.cs
- CodeComment.cs
- Int32Converter.cs
- IdleTimeoutMonitor.cs
- SvcMapFile.cs
- SqlWebEventProvider.cs
- ManagedWndProcTracker.cs
- Label.cs
- TransformerInfoCollection.cs
- XmlDataFileEditor.cs
- XmlNamespaceDeclarationsAttribute.cs
- XmlQueryTypeFactory.cs
- ModulesEntry.cs
- QueryPageSettingsEventArgs.cs
- SectionXmlInfo.cs
- BitmapEffectCollection.cs
- SemanticBasicElement.cs
- XamlSerializerUtil.cs
- Help.cs
- UICuesEvent.cs
- CodeSnippetCompileUnit.cs
- QueryCacheManager.cs
- DesignerCategoryAttribute.cs
- ImageListUtils.cs
- ClientSettingsStore.cs
- DifferencingCollection.cs
- FontStretchConverter.cs
- SqlBooleanizer.cs
- XmlSchemaType.cs
- Exceptions.cs
- NestedContainer.cs
- TableDetailsRow.cs
- CardSpaceSelector.cs
- Profiler.cs
- TabControlAutomationPeer.cs
- RIPEMD160.cs
- EntityDataSourceValidationException.cs
- SQLInt32.cs
- XmlReaderSettings.cs
- ItemList.cs
- MergeFailedEvent.cs
- Int16KeyFrameCollection.cs
- OleDbMetaDataFactory.cs
- CachedFontFace.cs
- ISessionStateStore.cs
- XPathAxisIterator.cs
- DataViewSetting.cs
- DataGridViewControlCollection.cs
- SmuggledIUnknown.cs
- EntityObject.cs
- Exceptions.cs
- SafeArrayTypeMismatchException.cs
- CFStream.cs
- RedistVersionInfo.cs
- ConfigXmlSignificantWhitespace.cs
- Attributes.cs
- DataGridViewCellCollection.cs
- ColumnHeader.cs
- RankException.cs
- Part.cs
- XPathNavigatorReader.cs
- controlskin.cs
- TextEditorTyping.cs
- ScriptServiceAttribute.cs
- ParallelForEach.cs
- Rights.cs
- SHA256.cs
- EditorPart.cs
- CodeLinePragma.cs
- PartitionResolver.cs
- Span.cs
- smtpconnection.cs
- XsltContext.cs
- ZipIOLocalFileHeader.cs
- DBConcurrencyException.cs
- FocusWithinProperty.cs
- XmlSchemaChoice.cs
- LocalTransaction.cs
- _SingleItemRequestCache.cs
- Rijndael.cs
- Thread.cs
- XmlDictionaryReader.cs
- TypeConstant.cs
- DataGridViewColumnConverter.cs
- SqlDataRecord.cs
- ConnectionModeReader.cs
- HtmlContainerControl.cs
- ExtendedProperty.cs
- RequestTimeoutManager.cs
- CompiledIdentityConstraint.cs
- SemanticResolver.cs
- GroupQuery.cs
- SecurityElement.cs
- VectorKeyFrameCollection.cs
- DefaultPrintController.cs
- Executor.cs
- BackEase.cs
- DispatchWrapper.cs