Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Regex / System / Text / RegularExpressions / RegexMatchCollection.cs / 1305376 / RegexMatchCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- // The MatchCollection lists the successful matches that // result when searching a string for a regular expression. namespace System.Text.RegularExpressions { using System.Collections; using System.Collections.Generic; /* * This collection returns a sequence of successful match results, either * from GetMatchCollection() or GetExecuteCollection(). It stops when the * first failure is encountered (it does not return the failed match). */ ////// #if !SILVERLIGHT [ Serializable() ] #endif public class MatchCollection : ICollection { internal Regex _regex; #if SILVERLIGHT internal List/// Represents the set of names appearing as capturing group /// names in a regular expression. /// ///_matches; #else internal ArrayList _matches; #endif internal bool _done; internal String _input; internal int _beginning; internal int _length; internal int _startat; internal int _prevlen; private static int infinite = 0x7FFFFFFF; /* * Nonpublic constructor */ internal MatchCollection(Regex regex, String input, int beginning, int length, int startat) { if (startat < 0 || startat > input.Length) throw new ArgumentOutOfRangeException("startat", SR.GetString(SR.BeginIndexNotNegative)); _regex = regex; _input = input; _beginning = beginning; _length = length; _startat = startat; _prevlen = -1; #if SILVERLIGHT _matches = new List (); #else _matches = new ArrayList(); #endif _done = false; } internal Match GetMatch(int i) { if (i < 0) return null; if (_matches.Count > i) return (Match)_matches[i]; if (_done) return null; Match match; do { match = _regex.Run(false, _prevlen, _input, _beginning, _length, _startat); if (!match.Success) { _done = true; return null; } _matches.Add(match); _prevlen = match._length; _startat = match._textpos; } while (_matches.Count <= i); return match; } /// /// public int Count { get { if (_done) return _matches.Count; GetMatch(infinite); return _matches.Count; } } ////// Returns the number of captures. /// ////// public Object SyncRoot { get { return this; } } ///[To be supplied.] ////// public bool IsSynchronized { get { return false; } } ///[To be supplied.] ////// public bool IsReadOnly { get { return true; } } ///[To be supplied.] ////// public virtual Match this[int i] { get { Match match; match = GetMatch(i); if (match == null) throw new ArgumentOutOfRangeException("i"); return match; } } ////// Returns the ith Match in the collection. /// ////// public void CopyTo(Array array, int arrayIndex) { if ((array != null) && (array.Rank != 1)) { throw new ArgumentException(SR.GetString(SR.Arg_RankMultiDimNotSupported)); } // property access to force computation of whole array int count = Count; try { #if SILVERLIGHT // Array.Copy will check for null. Array.Copy(_matches.ToArray(), 0, array, arrayIndex, count); #else _matches.CopyTo(array, arrayIndex); #endif } catch (ArrayTypeMismatchException) { throw new ArgumentException(SR.GetString(SR.Arg_InvalidArrayType)); } } ////// Copies all the elements of the collection to the given array /// starting at the given index. /// ////// public IEnumerator GetEnumerator() { return new MatchEnumerator(this); } } /* * This non-public enumerator lists all the group matches. * Should it be public? */ #if !SILVERLIGHT [ Serializable() ] #endif internal class MatchEnumerator : IEnumerator { internal MatchCollection _matchcoll; internal Match _match = null; internal int _curindex; internal bool _done; /* * Nonpublic constructor */ internal MatchEnumerator(MatchCollection matchcoll) { _matchcoll = matchcoll; } /* * Advance to the next match */ public bool MoveNext() { if (_done) return false; _match = _matchcoll.GetMatch(_curindex++); if (_match == null) { _done = true; return false; } return true; } /* * The current match */ public Object Current { get { if (_match == null) throw new InvalidOperationException(SR.GetString(SR.EnumNotStarted)); return _match; } } /* * Position before the first item */ public void Reset() { _curindex = 0; _done = false; _match = null; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007./// Provides an enumerator in the same order as Item[i]. /// ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SwitchLevelAttribute.cs
- BoundsDrawingContextWalker.cs
- PerformanceCounter.cs
- SmtpFailedRecipientsException.cs
- ObjectDataSourceFilteringEventArgs.cs
- CollectionDataContract.cs
- BuildResultCache.cs
- TcpServerChannel.cs
- ConfigXmlElement.cs
- DragDropManager.cs
- NativeMethods.cs
- Queue.cs
- Bits.cs
- PropertyDescriptor.cs
- XPathExpr.cs
- ParallelDesigner.xaml.cs
- TransformedBitmap.cs
- GPRECTF.cs
- PolicyStatement.cs
- SiteMapNodeItemEventArgs.cs
- IisTraceListener.cs
- RightNameExpirationInfoPair.cs
- XmlSerializer.cs
- itemelement.cs
- DbParameterCollection.cs
- HorizontalAlignConverter.cs
- DesignerSerializationOptionsAttribute.cs
- TextBreakpoint.cs
- TextServicesHost.cs
- WebPartMinimizeVerb.cs
- MatrixAnimationUsingPath.cs
- GetMemberBinder.cs
- AsyncContentLoadedEventArgs.cs
- RectKeyFrameCollection.cs
- TemplateControlCodeDomTreeGenerator.cs
- XmlSchemaComplexType.cs
- MSHTMLHost.cs
- CompressStream.cs
- SqlProcedureAttribute.cs
- LayoutTable.cs
- SectionInput.cs
- SafeMemoryMappedFileHandle.cs
- ProfilePropertySettingsCollection.cs
- DefaultPrintController.cs
- NameGenerator.cs
- File.cs
- FixedSOMPageElement.cs
- AppearanceEditorPart.cs
- Compiler.cs
- AssemblyNameProxy.cs
- ResourceContainer.cs
- BitmapSourceSafeMILHandle.cs
- WebException.cs
- ExtendedTransformFactory.cs
- ScrollChrome.cs
- Matrix3D.cs
- MetadataException.cs
- SerializationUtility.cs
- DataGridHeaderBorder.cs
- InternalEnumValidator.cs
- TrustLevel.cs
- ReflectEventDescriptor.cs
- TypeLibConverter.cs
- ButtonFlatAdapter.cs
- Schema.cs
- XmlArrayItemAttributes.cs
- WebResourceAttribute.cs
- CommandLibraryHelper.cs
- RegexGroup.cs
- XamlVector3DCollectionSerializer.cs
- HtmlDocument.cs
- AtlasWeb.Designer.cs
- Visual3D.cs
- PowerModeChangedEventArgs.cs
- QueryRewriter.cs
- PathStreamGeometryContext.cs
- XmlSchemaAnyAttribute.cs
- MSAAEventDispatcher.cs
- ContainerVisual.cs
- KnownBoxes.cs
- CodeDelegateInvokeExpression.cs
- MatchAllMessageFilter.cs
- Module.cs
- XmlSchemaFacet.cs
- SkewTransform.cs
- EntityTypeEmitter.cs
- Point3D.cs
- UpdateProgress.cs
- MembershipValidatePasswordEventArgs.cs
- WebPartEventArgs.cs
- SqlDependencyUtils.cs
- MSAAWinEventWrap.cs
- DBConnection.cs
- SafeHandles.cs
- AsyncResult.cs
- BoolLiteral.cs
- log.cs
- SafeNativeMethods.cs
- FixedSOMPageElement.cs
- HttpInputStream.cs