Code:
/ DotNET / DotNET / 8.0 / untmp / Orcas / RTM / ndp / fx / src / xsp / System / Web / Extensions / Script / Serialization / JavaScriptString.cs / 1 / JavaScriptString.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Script.Serialization { using System; using System.Diagnostics.CodeAnalysis; using System.Globalization; using System.Text; internal class JavaScriptString { private string _s; private int _index; internal JavaScriptString(string s) { _s = s; } internal NullableGetNextNonEmptyChar() { while (_s.Length > _index) { char c = _s[_index++]; if (!Char.IsWhiteSpace(c)) { return c; } } return null; } internal Nullable MoveNext() { if (_s.Length > _index) { return _s[_index++]; } return null; } internal string MoveNext(int count) { if (_s.Length >= _index + count) { string result = _s.Substring(_index, count); _index += count; return result; } return null; } internal void MovePrev() { if (_index > 0) { _index--; } } internal void MovePrev(int count) { while (_index > 0 && count > 0) { _index--; count--; } } private static void AppendCharAsUnicode(StringBuilder builder, char c) { builder.Append("\\u"); builder.AppendFormat(CultureInfo.InvariantCulture, "{0:x4}", (int)c); } [SuppressMessage("Microsoft.Maintainability", "CA1502:AvoidExcessiveComplexity", Justification="Method would be more complex if split into separate pieces.")] internal static string QuoteString(string value) { StringBuilder b = null; if (String.IsNullOrEmpty(value)) { return String.Empty; } int startIndex = 0; int count = 0; for (int i = 0; i < value.Length; i++) { char c = value[i]; // Append the unhandled characters (that do not require special treament) // to the string builder when special characters are detected. if (c == '\r' || c == '\t' || c == '\"' || c == '\'' || c == '<' || c == '>' || c == '\\' || c == '\n' || c == '\b' || c == '\f' || c < ' ') { if (b == null) { b = new StringBuilder(value.Length + 5); } if (count > 0) { b.Append(value, startIndex, count); } startIndex = i+1; count = 0; } switch (c) { case '\r': b.Append("\\r"); break; case '\t': b.Append("\\t"); break; case '\"': b.Append("\\\""); break; case '\\': b.Append("\\\\"); break; case '\n': b.Append("\\n"); break; case '\b': b.Append("\\b"); break; case '\f': b.Append("\\f"); break; case '\'': case '>': case '<': AppendCharAsUnicode(b, c); break; default: if (c < ' ') { AppendCharAsUnicode(b, c); } else { count++; } break; } } if (b == null) { return value; } if (count > 0) { b.Append(value, startIndex, count); } return b.ToString(); } internal static string QuoteString(string value, bool addQuotes) { string s = QuoteString(value); if (addQuotes) { s = "\"" + s + "\""; } return s; } public override string ToString() { if (_s.Length > _index) { return _s.Substring(_index); } return String.Empty; } internal string GetDebugString(string message) { return message + " (" + _index + "): " + _s; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- QueryAsyncResult.cs
- SessionParameter.cs
- LowerCaseStringConverter.cs
- WebHeaderCollection.cs
- InkCanvas.cs
- EventLogPermissionEntry.cs
- SvcFileManager.cs
- ResourcePool.cs
- FieldAccessException.cs
- StylusPointProperty.cs
- ByteAnimationUsingKeyFrames.cs
- TraceProvider.cs
- XdrBuilder.cs
- ShutDownListener.cs
- ApplicationInfo.cs
- LongTypeConverter.cs
- TableHeaderCell.cs
- TreeViewItemAutomationPeer.cs
- DataGridViewLinkColumn.cs
- UriExt.cs
- SqlDataAdapter.cs
- AggregatePushdown.cs
- SizeChangedEventArgs.cs
- SplitterCancelEvent.cs
- EntityCommandExecutionException.cs
- OutOfProcStateClientManager.cs
- LocalizableResourceBuilder.cs
- Win32.cs
- StateMachine.cs
- WaveHeader.cs
- XmlWriter.cs
- ImageInfo.cs
- CompilerScopeManager.cs
- XXXOnTypeBuilderInstantiation.cs
- ProcessStartInfo.cs
- TableChangeProcessor.cs
- TlsnegoTokenProvider.cs
- ExtentCqlBlock.cs
- WebZoneDesigner.cs
- EntityDataSourceDataSelection.cs
- StaticExtensionConverter.cs
- DataException.cs
- SrgsText.cs
- CommandManager.cs
- PolyBezierSegment.cs
- BinaryUtilClasses.cs
- EndSelectCardRequest.cs
- SynchronizedDispatch.cs
- AnnotationMap.cs
- BaseDataList.cs
- RectValueSerializer.cs
- Wizard.cs
- SQLChars.cs
- TabPanel.cs
- MultilineStringConverter.cs
- SqlTrackingService.cs
- ResourceAssociationTypeEnd.cs
- HierarchicalDataTemplate.cs
- FlowDocumentView.cs
- PropertyGroupDescription.cs
- BitmapFrame.cs
- DrawingCollection.cs
- ValidatingPropertiesEventArgs.cs
- KerberosSecurityTokenAuthenticator.cs
- Schedule.cs
- SqlDataReaderSmi.cs
- CloudCollection.cs
- DispatcherHookEventArgs.cs
- StorageConditionPropertyMapping.cs
- XNodeNavigator.cs
- ExeContext.cs
- WinFormsSpinner.cs
- TabControl.cs
- NoResizeHandleGlyph.cs
- EventBindingService.cs
- DataGridViewCellLinkedList.cs
- Renderer.cs
- MouseActionConverter.cs
- KnownBoxes.cs
- EmbeddedMailObjectsCollection.cs
- IgnoreFileBuildProvider.cs
- HttpCachePolicyElement.cs
- InfocardChannelParameter.cs
- ServiceDescriptions.cs
- BuildProvidersCompiler.cs
- SqlCaseSimplifier.cs
- XAMLParseException.cs
- PauseStoryboard.cs
- XmlRootAttribute.cs
- TextEditorParagraphs.cs
- X509RawDataKeyIdentifierClause.cs
- BitmapImage.cs
- GACIdentityPermission.cs
- SvcFileManager.cs
- StylusPlugInCollection.cs
- peersecurityelement.cs
- IHttpResponseInternal.cs
- XPathBinder.cs
- XmlSerializerVersionAttribute.cs
- Switch.cs