Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / 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. // //----------------------------------------------------------------------------- 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Buffer.cs
- ExtensionQuery.cs
- StyleBamlRecordReader.cs
- Rotation3DKeyFrameCollection.cs
- NumericUpDownAcceleration.cs
- HitTestDrawingContextWalker.cs
- BindingListCollectionView.cs
- SchemaMapping.cs
- columnmapkeybuilder.cs
- DataBindEngine.cs
- ServiceEndpoint.cs
- EntryPointNotFoundException.cs
- FrameworkElement.cs
- BindingManagerDataErrorEventArgs.cs
- RemoteWebConfigurationHostServer.cs
- VariantWrapper.cs
- CompressedStack.cs
- DataServiceConfiguration.cs
- SQLByteStorage.cs
- ForeignKeyConstraint.cs
- TreeNodeBindingCollection.cs
- ScrollEventArgs.cs
- StateChangeEvent.cs
- DrawingImage.cs
- ImageConverter.cs
- ControlAdapter.cs
- CodeDomLoader.cs
- CapacityStreamGeometryContext.cs
- HttpModuleCollection.cs
- ProfileEventArgs.cs
- GridViewCancelEditEventArgs.cs
- TextSegment.cs
- XmlAttribute.cs
- IntegrationExceptionEventArgs.cs
- CommentGlyph.cs
- _LoggingObject.cs
- SystemParameters.cs
- SQLByte.cs
- Line.cs
- panel.cs
- CollectionContainer.cs
- DisposableCollectionWrapper.cs
- MethodBody.cs
- WebPartEditorApplyVerb.cs
- CodeStatement.cs
- BreakSafeBase.cs
- CollectionsUtil.cs
- GroupBox.cs
- BatchStream.cs
- BevelBitmapEffect.cs
- SqlDataSourceView.cs
- WmlValidationSummaryAdapter.cs
- SoundPlayerAction.cs
- DoubleStorage.cs
- StagingAreaInputItem.cs
- PlatformCulture.cs
- SetStateDesigner.cs
- ReflectPropertyDescriptor.cs
- FacetDescriptionElement.cs
- XmlSchemaRedefine.cs
- DataGridViewColumnStateChangedEventArgs.cs
- ClientViaElement.cs
- PersianCalendar.cs
- FileSystemInfo.cs
- SecurityContextTokenCache.cs
- StylusPlugin.cs
- TextRangeBase.cs
- ObjectParameterCollection.cs
- StackBuilderSink.cs
- securitycriticaldata.cs
- StdValidatorsAndConverters.cs
- DataGridPagerStyle.cs
- XmlTextReaderImpl.cs
- OleDbPropertySetGuid.cs
- ReadingWritingEntityEventArgs.cs
- SudsParser.cs
- FontSourceCollection.cs
- TypeTypeConverter.cs
- ExtractorMetadata.cs
- MultiByteCodec.cs
- EventHandlersStore.cs
- BrowserDefinitionCollection.cs
- APCustomTypeDescriptor.cs
- documentsequencetextview.cs
- ObjectListDataBindEventArgs.cs
- CompensatableTransactionScopeActivityDesigner.cs
- PeerNameRegistration.cs
- DesignerHelpers.cs
- TextWriter.cs
- RelativeSource.cs
- ContextMenuAutomationPeer.cs
- UnionExpr.cs
- DashStyles.cs
- WebPartCatalogCloseVerb.cs
- MonitoringDescriptionAttribute.cs
- KeyFrames.cs
- InputScopeConverter.cs
- WindowsBrush.cs
- EnumValAlphaComparer.cs
- ValidatedControlConverter.cs