Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Sys / System / Configuration / HandlerBase.cs / 1305376 / HandlerBase.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System.Globalization; using System.Xml; internal class HandlerBase { private HandlerBase() { } // // XML Attribute Helpers // private static XmlNode GetAndRemoveAttribute(XmlNode node, string attrib, bool fRequired) { XmlNode a = node.Attributes.RemoveNamedItem(attrib); // If the attribute is required and was not present, throw if (fRequired && a == null) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_missing_required_attribute, attrib, node.Name), node); } return a; } private static XmlNode GetAndRemoveStringAttributeInternal(XmlNode node, string attrib, bool fRequired, ref string val) { XmlNode a = GetAndRemoveAttribute(node, attrib, fRequired); if (a != null) val = a.Value; return a; } internal static XmlNode GetAndRemoveStringAttribute(XmlNode node, string attrib, ref string val) { return GetAndRemoveStringAttributeInternal(node, attrib, false /*fRequired*/, ref val); } #if UNUSED_CODE internal static XmlNode GetAndRemoveRequiredStringAttribute(XmlNode node, string attrib, ref string val) { return GetAndRemoveStringAttributeInternal(node, attrib, true /*fRequired*/, ref val); } #endif // input.Xml cursor must be at a true/false XML attribute private static XmlNode GetAndRemoveBooleanAttributeInternal(XmlNode node, string attrib, bool fRequired, ref bool val) { XmlNode a = GetAndRemoveAttribute(node, attrib, fRequired); if (a != null) { try { val = bool.Parse(a.Value); } catch (Exception e) { throw new ConfigurationErrorsException( SR.GetString(SR.GetString(SR.Config_invalid_boolean_attribute, a.Name)), e, a); } } return a; } internal static XmlNode GetAndRemoveBooleanAttribute(XmlNode node, string attrib, ref bool val) { return GetAndRemoveBooleanAttributeInternal(node, attrib, false /*fRequired*/, ref val); } #if UNUSED_CODE internal static XmlNode GetAndRemoveRequiredBooleanAttribute(XmlNode node, string attrib, ref bool val) { return GetAndRemoveBooleanAttributeInternal(node, attrib, true /*fRequired*/, ref val); } #endif // input.Xml cursor must be an integer XML attribute private static XmlNode GetAndRemoveIntegerAttributeInternal(XmlNode node, string attrib, bool fRequired, ref int val) { XmlNode a = GetAndRemoveAttribute(node, attrib, fRequired); if (a != null) { if (a.Value.Trim() != a.Value) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_invalid_integer_attribute, a.Name), a); } try { val = int.Parse(a.Value, CultureInfo.InvariantCulture); } catch (Exception e) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_invalid_integer_attribute, a.Name), e, a); } } return a; } internal static XmlNode GetAndRemoveIntegerAttribute(XmlNode node, string attrib, ref int val) { return GetAndRemoveIntegerAttributeInternal(node, attrib, false /*fRequired*/, ref val); } #if UNUSED_CODE internal static XmlNode GetAndRemoveRequiredIntegerAttribute(XmlNode node, string attrib, ref int val) { return GetAndRemoveIntegerAttributeInternal(node, attrib, true /*fRequired*/, ref val); } #endif #if UNUSED_CODE private static XmlNode GetAndRemovePositiveIntegerAttributeInternal(XmlNode node, string attrib, bool fRequired, ref int val) { XmlNode a = GetAndRemoveIntegerAttributeInternal(node, attrib, fRequired, ref val); if (a != null && val < 0) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_invalid_positive_integer_attribute, attrib), node); } return a; } #endif #if UNUSED_CODE internal static XmlNode GetAndRemovePositiveIntegerAttribute(XmlNode node, string attrib, ref int val) { return GetAndRemovePositiveIntegerAttributeInternal(node, attrib, false /*fRequired*/, ref val); } #endif #if UNUSED_CODE internal static XmlNode GetAndRemoveRequiredPositiveIntegerAttribute(XmlNode node, string attrib, ref int val) { return GetAndRemovePositiveIntegerAttributeInternal(node, attrib, true /*fRequired*/, ref val); } #endif #if UNUSED_CODE private static XmlNode GetAndRemoveTypeAttributeInternal(XmlNode node, string attrib, bool fRequired, ref Type val) { XmlNode a = GetAndRemoveAttribute(node, attrib, fRequired); if (a != null) { try { val = Type.GetType(a.Value, true /*throwOnError*/); } catch (Exception e) { throw new ConfigurationErrorsException( e.Message, //SR.GetString(SR.Config_invalid_type_attribute, a.Name), e, a); } } return a; } #endif #if UNUSED_CODE internal static XmlNode GetAndRemoveTypeAttribute(XmlNode node, string attrib, ref Type val) { return GetAndRemoveTypeAttributeInternal(node, attrib, false /*fRequired*/, ref val); } #endif #if UNUSED_CODE internal static XmlNode GetAndRemoveRequiredTypeAttribute(XmlNode node, string attrib, ref Type val) { return GetAndRemoveTypeAttributeInternal(node, attrib, true /*fRequired*/, ref val); } #endif internal static void CheckForUnrecognizedAttributes(XmlNode node) { if (node.Attributes.Count != 0) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_base_unrecognized_attribute, node.Attributes[0].Name), node); } } // // Obsolete XML Attribute Helpers // // if attribute not found return null internal static string RemoveAttribute(XmlNode node, string name) { XmlNode attribute = node.Attributes.RemoveNamedItem(name); if (attribute != null) { return attribute.Value; } return null; } // if attr not found throw standard message - "attribute x required" internal static string RemoveRequiredAttribute(XmlNode node, string name) { return RemoveRequiredAttribute(node, name, false/*allowEmpty*/); } internal static string RemoveRequiredAttribute(XmlNode node, string name, bool allowEmpty) { XmlNode attribute = node.Attributes.RemoveNamedItem(name); if (attribute == null) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_base_required_attribute_missing, name), node); } if (String.IsNullOrEmpty(attribute.Value) && allowEmpty == false) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_base_required_attribute_empty, name), node); } return attribute.Value; } // // XML Element Helpers // internal static void CheckForNonElement(XmlNode node) { if (node.NodeType != XmlNodeType.Element) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_base_elements_only), node); } } internal static bool IsIgnorableAlsoCheckForNonElement(XmlNode node) { if (node.NodeType == XmlNodeType.Comment || node.NodeType == XmlNodeType.Whitespace) { return true; } CheckForNonElement(node); return false; } internal static void CheckForChildNodes(XmlNode node) { if (node.HasChildNodes) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_base_no_child_nodes), node.FirstChild); } } internal static void ThrowUnrecognizedElement(XmlNode node) { throw new ConfigurationErrorsException( SR.GetString(SR.Config_base_unrecognized_element), node); } // // Parse Helpers // // } } // 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
- NavigationProperty.cs
- TempFiles.cs
- ClientFormsAuthenticationCredentials.cs
- EasingKeyFrames.cs
- TextFormatterContext.cs
- GridViewRow.cs
- FixedSOMLineCollection.cs
- SchemaImporterExtensionsSection.cs
- Privilege.cs
- DatePicker.cs
- RootBrowserWindow.cs
- MarkedHighlightComponent.cs
- Renderer.cs
- Rules.cs
- ScriptResourceAttribute.cs
- InternalControlCollection.cs
- ZoneLinkButton.cs
- ArgumentValue.cs
- SQLMembershipProvider.cs
- FixedDocumentSequencePaginator.cs
- KeyInfo.cs
- TextSerializer.cs
- SqlSelectStatement.cs
- ScriptControlManager.cs
- SocketAddress.cs
- QilGenerator.cs
- CodeTypeParameter.cs
- DecimalConstantAttribute.cs
- TextDecorations.cs
- AnnotationHighlightLayer.cs
- IISUnsafeMethods.cs
- MetadataSerializer.cs
- OracleDataAdapter.cs
- DataTableExtensions.cs
- PersonalizationProviderHelper.cs
- ConfigurationStrings.cs
- SimpleTextLine.cs
- MethodImplAttribute.cs
- UpdatePanel.cs
- Metafile.cs
- ScrollViewer.cs
- EntityRecordInfo.cs
- ReadOnlyCollection.cs
- DefinitionBase.cs
- HitTestResult.cs
- HttpResponseWrapper.cs
- ConfigDefinitionUpdates.cs
- EpmSourceTree.cs
- PageBreakRecord.cs
- WorkflowTransactionService.cs
- InfoCardRSAPKCS1SignatureFormatter.cs
- Matrix.cs
- Geometry3D.cs
- ForwardPositionQuery.cs
- baseaxisquery.cs
- MaskedTextProvider.cs
- WindowsFormsDesignerOptionService.cs
- OAVariantLib.cs
- FormatConvertedBitmap.cs
- SweepDirectionValidation.cs
- SkipStoryboardToFill.cs
- ConnectionStringSettings.cs
- SkinBuilder.cs
- DocumentGrid.cs
- ClickablePoint.cs
- NCryptSafeHandles.cs
- StringAttributeCollection.cs
- Type.cs
- IFormattable.cs
- RegexMatchCollection.cs
- WebPartHelpVerb.cs
- NavigationWindowAutomationPeer.cs
- EncoderExceptionFallback.cs
- ActivityBindForm.cs
- BackgroundFormatInfo.cs
- TemplateInstanceAttribute.cs
- WindowsListViewItemStartMenu.cs
- GeneralTransform3D.cs
- Renderer.cs
- HasCopySemanticsAttribute.cs
- WSDualHttpSecurity.cs
- DataGridViewCellStyle.cs
- DataPagerFieldCollection.cs
- DeploymentSection.cs
- TdsParserHelperClasses.cs
- WebPartAddingEventArgs.cs
- TextContainerChangedEventArgs.cs
- ObjectContextServiceProvider.cs
- BitmapEffectCollection.cs
- ThreadStaticAttribute.cs
- ToolStripItem.cs
- LogConverter.cs
- DoubleKeyFrameCollection.cs
- DiscoveryInnerClientManaged11.cs
- Vertex.cs
- DataGridViewComboBoxColumnDesigner.cs
- WindowsNonControl.cs
- AppDomainUnloadedException.cs
- UnsafeNativeMethodsMilCoreApi.cs
- MetabaseServerConfig.cs