Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / ChtmlTextWriter.cs / 2 / ChtmlTextWriter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- // ChtmlTextWriter.cs // namespace System.Web.UI { using System; using System.Collections; using System.Collections.Specialized; using System.IO; using System.Text; using System.Web.UI.WebControls; using System.Web.Util; using System.Globalization; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class ChtmlTextWriter : Html32TextWriter { private Hashtable _recognizedAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); private Hashtable _suppressedAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); private Hashtable _globalSuppressedAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); public ChtmlTextWriter(TextWriter writer) : this(writer, DefaultTabString) { } public ChtmlTextWriter(TextWriter writer, string tabString) : base(writer, tabString) { _globalSuppressedAttributes["onclick"] = true; _globalSuppressedAttributes["ondblclick"] = true; _globalSuppressedAttributes["onmousedown"] = true; _globalSuppressedAttributes["onmouseup"] = true; _globalSuppressedAttributes["onmouseover"] = true; _globalSuppressedAttributes["onmousemove"] = true; _globalSuppressedAttributes["onmouseout"] = true; _globalSuppressedAttributes["onkeypress"] = true; _globalSuppressedAttributes["onkeydown"] = true; _globalSuppressedAttributes["onkeyup"] = true; // Supress certain element attribute pairs that can happen when Html32TextWriter performs the div table // substitution. RemoveRecognizedAttributeInternal("div", "accesskey"); // RemoveRecognizedAttributeInternal("div", "cellspacing"); RemoveRecognizedAttributeInternal("div", "cellpadding"); RemoveRecognizedAttributeInternal("div", "gridlines"); RemoveRecognizedAttributeInternal("div", "rules"); RemoveRecognizedAttributeInternal("span", "cellspacing"); RemoveRecognizedAttributeInternal("span", "cellpadding"); RemoveRecognizedAttributeInternal("span", "gridlines"); RemoveRecognizedAttributeInternal("span", "rules"); } ///[To be supplied.] ////// public virtual void AddRecognizedAttribute(string elementName, string attributeName) { Hashtable eltAttributes = (Hashtable) _recognizedAttributes[elementName]; if (eltAttributes == null) { eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); _recognizedAttributes[elementName] = eltAttributes; } eltAttributes.Add(attributeName, true); } ///[To be supplied.] ////// Override to filter out unnecessary attributes /// protected override bool OnAttributeRender(string name, string value, HtmlTextWriterAttribute key) { Hashtable elementRecognizedAttributes = (Hashtable)_recognizedAttributes[TagName]; if (elementRecognizedAttributes != null && elementRecognizedAttributes[name] != null) { return true; } if (_globalSuppressedAttributes[name] != null) { return false; } Hashtable elementSuppressedAttributes = (Hashtable)_suppressedAttributes[TagName]; if (elementSuppressedAttributes != null && elementSuppressedAttributes[name] != null) { return false; } return true; } protected override bool OnStyleAttributeRender(string name,string value, HtmlTextWriterStyle key) { if (key == HtmlTextWriterStyle.TextDecoration) { if (StringUtil.EqualsIgnoreCase("line-through", value)) { return false; } } return base.OnStyleAttributeRender(name, value, key); } protected override bool OnTagRender(string name, HtmlTextWriterTag key) { return base.OnTagRender(name, key) && key != HtmlTextWriterTag.Span; } ////// public virtual void RemoveRecognizedAttribute(string elementName, string attributeName) { RemoveRecognizedAttributeInternal(elementName, attributeName); } private void RemoveRecognizedAttributeInternal(string elementName, string attributeName) { // Since recognized attributes have precedence, we need to do two operations: add this attribute // to the suppressed list, and remove it from the recognized list. Hashtable eltAttributes = (Hashtable) _suppressedAttributes[elementName]; if (eltAttributes == null) { eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); _suppressedAttributes[elementName] = eltAttributes; } eltAttributes.Add(attributeName, true); eltAttributes = (Hashtable)_recognizedAttributes[elementName]; if (eltAttributes == null) { eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); _recognizedAttributes[elementName] = eltAttributes; } // Note: Hashtable::Remove silently continues if the key does not exist. eltAttributes.Remove(attributeName); } public override void WriteBreak() { Write("[To be supplied.] ///
"); } public override void WriteEncodedText(String text) { if (null == text || text.Length == 0) { return; } int length = text.Length; int start = -1; for(int pos = 0; pos < length; pos++) { int ch = text[pos]; if(ch > 160 && ch < 256) { if(start != -1) { base.WriteEncodedText(text.Substring(start, pos - start)); start = -1; } base.Write(text[pos]); } else { if(start == -1) { start = pos; } } } if(start != -1) { if(start == 0) { base.WriteEncodedText(text); } else { base.WriteEncodedText(text.Substring(start, length - start)); } } } protected Hashtable RecognizedAttributes { get { return _recognizedAttributes; } } protected Hashtable SuppressedAttributes { get { return _suppressedAttributes; } } protected Hashtable GlobalSuppressedAttributes { get { return _globalSuppressedAttributes; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- // ChtmlTextWriter.cs // namespace System.Web.UI { using System; using System.Collections; using System.Collections.Specialized; using System.IO; using System.Text; using System.Web.UI.WebControls; using System.Web.Util; using System.Globalization; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class ChtmlTextWriter : Html32TextWriter { private Hashtable _recognizedAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); private Hashtable _suppressedAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); private Hashtable _globalSuppressedAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); public ChtmlTextWriter(TextWriter writer) : this(writer, DefaultTabString) { } public ChtmlTextWriter(TextWriter writer, string tabString) : base(writer, tabString) { _globalSuppressedAttributes["onclick"] = true; _globalSuppressedAttributes["ondblclick"] = true; _globalSuppressedAttributes["onmousedown"] = true; _globalSuppressedAttributes["onmouseup"] = true; _globalSuppressedAttributes["onmouseover"] = true; _globalSuppressedAttributes["onmousemove"] = true; _globalSuppressedAttributes["onmouseout"] = true; _globalSuppressedAttributes["onkeypress"] = true; _globalSuppressedAttributes["onkeydown"] = true; _globalSuppressedAttributes["onkeyup"] = true; // Supress certain element attribute pairs that can happen when Html32TextWriter performs the div table // substitution. RemoveRecognizedAttributeInternal("div", "accesskey"); // RemoveRecognizedAttributeInternal("div", "cellspacing"); RemoveRecognizedAttributeInternal("div", "cellpadding"); RemoveRecognizedAttributeInternal("div", "gridlines"); RemoveRecognizedAttributeInternal("div", "rules"); RemoveRecognizedAttributeInternal("span", "cellspacing"); RemoveRecognizedAttributeInternal("span", "cellpadding"); RemoveRecognizedAttributeInternal("span", "gridlines"); RemoveRecognizedAttributeInternal("span", "rules"); } ///[To be supplied.] ////// public virtual void AddRecognizedAttribute(string elementName, string attributeName) { Hashtable eltAttributes = (Hashtable) _recognizedAttributes[elementName]; if (eltAttributes == null) { eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); _recognizedAttributes[elementName] = eltAttributes; } eltAttributes.Add(attributeName, true); } ///[To be supplied.] ////// Override to filter out unnecessary attributes /// protected override bool OnAttributeRender(string name, string value, HtmlTextWriterAttribute key) { Hashtable elementRecognizedAttributes = (Hashtable)_recognizedAttributes[TagName]; if (elementRecognizedAttributes != null && elementRecognizedAttributes[name] != null) { return true; } if (_globalSuppressedAttributes[name] != null) { return false; } Hashtable elementSuppressedAttributes = (Hashtable)_suppressedAttributes[TagName]; if (elementSuppressedAttributes != null && elementSuppressedAttributes[name] != null) { return false; } return true; } protected override bool OnStyleAttributeRender(string name,string value, HtmlTextWriterStyle key) { if (key == HtmlTextWriterStyle.TextDecoration) { if (StringUtil.EqualsIgnoreCase("line-through", value)) { return false; } } return base.OnStyleAttributeRender(name, value, key); } protected override bool OnTagRender(string name, HtmlTextWriterTag key) { return base.OnTagRender(name, key) && key != HtmlTextWriterTag.Span; } ////// public virtual void RemoveRecognizedAttribute(string elementName, string attributeName) { RemoveRecognizedAttributeInternal(elementName, attributeName); } private void RemoveRecognizedAttributeInternal(string elementName, string attributeName) { // Since recognized attributes have precedence, we need to do two operations: add this attribute // to the suppressed list, and remove it from the recognized list. Hashtable eltAttributes = (Hashtable) _suppressedAttributes[elementName]; if (eltAttributes == null) { eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); _suppressedAttributes[elementName] = eltAttributes; } eltAttributes.Add(attributeName, true); eltAttributes = (Hashtable)_recognizedAttributes[elementName]; if (eltAttributes == null) { eltAttributes = new Hashtable(StringComparer.CurrentCultureIgnoreCase); _recognizedAttributes[elementName] = eltAttributes; } // Note: Hashtable::Remove silently continues if the key does not exist. eltAttributes.Remove(attributeName); } public override void WriteBreak() { Write("[To be supplied.] ///
"); } public override void WriteEncodedText(String text) { if (null == text || text.Length == 0) { return; } int length = text.Length; int start = -1; for(int pos = 0; pos < length; pos++) { int ch = text[pos]; if(ch > 160 && ch < 256) { if(start != -1) { base.WriteEncodedText(text.Substring(start, pos - start)); start = -1; } base.Write(text[pos]); } else { if(start == -1) { start = pos; } } } if(start != -1) { if(start == 0) { base.WriteEncodedText(text); } else { base.WriteEncodedText(text.Substring(start, length - start)); } } } protected Hashtable RecognizedAttributes { get { return _recognizedAttributes; } } protected Hashtable SuppressedAttributes { get { return _suppressedAttributes; } } protected Hashtable GlobalSuppressedAttributes { get { return _globalSuppressedAttributes; } } } } // 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
- LinqDataSourceValidationException.cs
- DelegateSerializationHolder.cs
- TrackingMemoryStreamFactory.cs
- AudioBase.cs
- MediaSystem.cs
- DefaultHttpHandler.cs
- UserControlParser.cs
- CommonDialog.cs
- ISAPIRuntime.cs
- DataGridViewColumnHeaderCell.cs
- TransactionContextValidator.cs
- EventLog.cs
- ExpandableObjectConverter.cs
- BigInt.cs
- ADMembershipProvider.cs
- UnsafeNativeMethods.cs
- securitymgrsite.cs
- SHA1Managed.cs
- FakeModelPropertyImpl.cs
- NullableConverter.cs
- COM2ComponentEditor.cs
- xmlfixedPageInfo.cs
- ResourcePool.cs
- TextSelection.cs
- ReadOnlyAttribute.cs
- WmlValidatorAdapter.cs
- FixedDocument.cs
- BrowserDefinition.cs
- ClaimTypes.cs
- BufferedStream.cs
- IgnoreFlushAndCloseStream.cs
- ConvertTextFrag.cs
- ISAPIWorkerRequest.cs
- TcpAppDomainProtocolHandler.cs
- App.cs
- Focus.cs
- TextTreeExtractElementUndoUnit.cs
- ResourceDictionary.cs
- ProtocolReflector.cs
- CodeArrayCreateExpression.cs
- StylusPoint.cs
- GreenMethods.cs
- RegexFCD.cs
- _Connection.cs
- SymmetricKey.cs
- METAHEADER.cs
- Automation.cs
- AsyncOperationManager.cs
- MainMenu.cs
- ProxyWebPartConnectionCollection.cs
- FlagsAttribute.cs
- NativeActivityMetadata.cs
- OrCondition.cs
- TextRunCache.cs
- QilTernary.cs
- CommandEventArgs.cs
- CRYPTPROTECT_PROMPTSTRUCT.cs
- linebase.cs
- BitStack.cs
- ImageButton.cs
- DataViewListener.cs
- SelfIssuedAuthAsymmetricKey.cs
- AssemblyName.cs
- InputBinder.cs
- LoginDesignerUtil.cs
- PriorityBinding.cs
- ContextStaticAttribute.cs
- initElementDictionary.cs
- DateTimeFormat.cs
- DataGridViewColumnCollection.cs
- AttachedPropertiesService.cs
- SystemResources.cs
- StructuralObject.cs
- WebServiceErrorEvent.cs
- SchemaAttDef.cs
- AuthenticationManager.cs
- MemberHolder.cs
- XmlRawWriterWrapper.cs
- XmlDataSourceNodeDescriptor.cs
- PropertyDescriptorCollection.cs
- OuterGlowBitmapEffect.cs
- Border.cs
- BamlRecordReader.cs
- SynchronizedInputHelper.cs
- storepermission.cs
- SchemaDeclBase.cs
- ExpressionBinding.cs
- DynamicObject.cs
- PreviousTrackingServiceAttribute.cs
- SchemaType.cs
- BitmapEffectInputData.cs
- ExcCanonicalXml.cs
- FillRuleValidation.cs
- PropertyMap.cs
- ImageClickEventArgs.cs
- PointValueSerializer.cs
- BrowserCapabilitiesCompiler.cs
- PageCache.cs
- DataBindingList.cs
- ScrollChangedEventArgs.cs