Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / MS / Internal / Globalization / BamlResourceDeserializer.cs / 1305600 / BamlResourceDeserializer.cs
//---------------------------------------------------------- // Internal class that build the baml tree for localization // // Created: Garyyang @ 3/4/2003 // //--------------------------------------------------------- using System; using System.IO; using System.Globalization; using System.Runtime.InteropServices; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.Text; using System.Windows; using System.Windows.Markup; namespace MS.Internal.Globalization { ////// BamlResourceDeserializer. This class strictly operates on Baml format, and doesn't /// know any localization specific details /// internal sealed class BamlResourceDeserializer { //---------------------------- // Internal static //---------------------------- internal static BamlTree LoadBaml(Stream bamlStream) { // thread safe implementation return (new BamlResourceDeserializer()).LoadBamlImp(bamlStream); } //------------------------------ // Private constructor //------------------------------ private BamlResourceDeserializer() { } //----------------------------- // private methods //----------------------------- ////// build the baml element tree as well as the localizability inheritance tree /// /// input baml stream. ///the tree constructed. private BamlTree LoadBamlImp(Stream bamlSteam) { _reader = new BamlReader(bamlSteam); _reader.Read(); if (_reader.NodeType != BamlNodeType.StartDocument) { throw new XamlParseException(SR.Get(SRID.InvalidStartOfBaml)); } // create root element. _root = new BamlStartDocumentNode(); PushNodeToStack(_root); // A hash table used to handle duplicate properties within an element Hashtable propertyOccurrences = new Hashtable(8); // create the tree by depth first traversal. while (_bamlTreeStack.Count > 0 && _reader.Read()) { switch (_reader.NodeType) { case BamlNodeType.StartElement : { BamlTreeNode bamlNode = new BamlStartElementNode( _reader.AssemblyName, _reader.Name, _reader.IsInjected, _reader.CreateUsingTypeConverter ); PushNodeToStack(bamlNode); break; } case BamlNodeType.EndElement : { BamlTreeNode bamlNode = new BamlEndElementNode(); AddChildToCurrentParent(bamlNode); PopStack(); break; } case BamlNodeType.StartComplexProperty : { BamlStartComplexPropertyNode bamlNode = new BamlStartComplexPropertyNode( _reader.AssemblyName, _reader.Name.Substring(0, _reader.Name.LastIndexOf('.')), _reader.LocalName ); bamlNode.LocalizabilityAncestor = PeekPropertyStack(bamlNode.PropertyName); PushPropertyToStack(bamlNode.PropertyName, (ILocalizabilityInheritable) bamlNode); PushNodeToStack(bamlNode); break; } case BamlNodeType.EndComplexProperty : { BamlTreeNode bamlNode = new BamlEndComplexPropertyNode(); AddChildToCurrentParent(bamlNode); PopStack(); break; } case BamlNodeType.Event : { BamlTreeNode bamlNode = new BamlEventNode(_reader.Name, _reader.Value); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.RoutedEvent : { BamlTreeNode bamlNode = new BamlRoutedEventNode( _reader.AssemblyName, _reader.Name.Substring(0, _reader.Name.LastIndexOf('.')), _reader.LocalName, _reader.Value ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.PIMapping : { BamlTreeNode bamlNode = new BamlPIMappingNode( _reader.XmlNamespace, _reader.ClrNamespace, _reader.AssemblyName ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.LiteralContent : { BamlTreeNode bamlNode = new BamlLiteralContentNode(_reader.Value); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.Text : { BamlTreeNode bamlNode = new BamlTextNode( _reader.Value, _reader.TypeConverterAssemblyName, _reader.TypeConverterName ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.StartConstructor : { BamlTreeNode bamlNode = new BamlStartConstructorNode(); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.EndConstructor : { BamlTreeNode bamlNode = new BamlEndConstructorNode(); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.EndDocument : { BamlTreeNode bamlNode = new BamlEndDocumentNode(); AddChildToCurrentParent(bamlNode); PopStack(); break; } default : { throw new XamlParseException(SR.Get(SRID.UnRecognizedBamlNodeType, _reader.NodeType)); } } // read properties if it has any. if (_reader.HasProperties) { // The Hashtable is used to auto-number repeated properties. The usage is as the following: // When encountering the 1st occurrence of the property, it stores a reference to the property's node (BamlTreeNode). // When encountering the property the 2nd time, we start auto-numbering the property including the 1st occurrence // and store the index count (int) in the slot from that point onwards. propertyOccurrences.Clear(); _reader.MoveToFirstProperty(); do { switch (_reader.NodeType) { case BamlNodeType.ConnectionId: { BamlTreeNode bamlNode = new BamlConnectionIdNode(_reader.ConnectionId); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.Property : { BamlPropertyNode bamlNode = new BamlPropertyNode( _reader.AssemblyName, _reader.Name.Substring(0, _reader.Name.LastIndexOf('.')), _reader.LocalName, _reader.Value, _reader.AttributeUsage ); bamlNode.LocalizabilityAncestor = PeekPropertyStack(bamlNode.PropertyName); PushPropertyToStack(bamlNode.PropertyName, (ILocalizabilityInheritable) bamlNode); AddChildToCurrentParent(bamlNode); if (propertyOccurrences.Contains(_reader.Name)) { // we autonumber properties that have occurrences larger than 1 object occurrence = propertyOccurrences[_reader.Name]; int index = 2; if (occurrence is BamlPropertyNode) { // start numbering this property as the 2nd occurrence is encountered // the value stores the 1st occurrence of the property at this point ((BamlPropertyNode) occurrence).Index = 1; }else { // For the 3rd or more occurrences, the value stores the next index // to assign to the property index = (int) occurrence; } // auto-number the current property node ((BamlPropertyNode)bamlNode).Index = index; propertyOccurrences[_reader.Name] = ++index; } else { // store the first occurrence of the property propertyOccurrences[_reader.Name] = bamlNode; } break; } case BamlNodeType.DefAttribute : { if (_reader.Name == XamlReaderHelper.DefinitionUid) { // set the Uid proeprty when we see it. ((BamlStartElementNode)_currentParent).Uid = _reader.Value; } BamlTreeNode bamlNode = new BamlDefAttributeNode( _reader.Name, _reader.Value ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.XmlnsProperty : { BamlTreeNode bamlNode = new BamlXmlnsPropertyNode( _reader.LocalName, _reader.Value ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.ContentProperty : { BamlTreeNode bamlNode = new BamlContentPropertyNode( _reader.AssemblyName, _reader.Name.Substring(0, _reader.Name.LastIndexOf('.')), _reader.LocalName ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.PresentationOptionsAttribute: { BamlTreeNode bamlNode = new BamlPresentationOptionsAttributeNode( _reader.Name, _reader.Value ); AddChildToCurrentParent(bamlNode); break; } default : { throw new XamlParseException(SR.Get(SRID.UnRecognizedBamlNodeType, _reader.NodeType)); } } } while (_reader.MoveToNextProperty()); } } // At this point, the baml tree stack should be completely unwinded and also nothing more to read. if (_reader.Read() || _bamlTreeStack.Count > 0) { throw new XamlParseException(SR.Get(SRID.InvalidEndOfBaml)); } return new BamlTree(_root, _nodeCount); //notice that we don't close the input stream because we don't own it. } private void PushNodeToStack(BamlTreeNode node) { if (_currentParent != null) _currentParent.AddChild(node); _bamlTreeStack.Push(node); _currentParent = node; _nodeCount++; } private void AddChildToCurrentParent(BamlTreeNode node) { if (_currentParent == null) { throw new InvalidOperationException(SR.Get(SRID.NullParentNode)); } _currentParent.AddChild(node); _nodeCount++; } private void PopStack() { BamlTreeNode node = _bamlTreeStack.Pop(); if (node.Children != null) { // pop properties from property inheritance stack as well foreach (BamlTreeNode child in node.Children) { BamlStartComplexPropertyNode propertyNode = child as BamlStartComplexPropertyNode; if (propertyNode != null) { PopPropertyFromStack(propertyNode.PropertyName); } } } if (_bamlTreeStack.Count > 0) { _currentParent = _bamlTreeStack.Peek(); } else { // stack is empty. Set CurrentParent to null _currentParent = null; } } private void PushPropertyToStack(string propertyName, ILocalizabilityInheritable node) { StackstackForProperty; if (_propertyInheritanceTreeStack.ContainsKey(propertyName)) { // get the stack stackForProperty = _propertyInheritanceTreeStack[propertyName]; } else { stackForProperty = new Stack (); _propertyInheritanceTreeStack.Add(propertyName, stackForProperty); } // push the node stackForProperty.Push(node); } private void PopPropertyFromStack(string propertyName) { Stack stackForProperty = _propertyInheritanceTreeStack[propertyName]; stackForProperty.Pop(); } // Get the Top of the stack for a certain property private ILocalizabilityInheritable PeekPropertyStack(string propertyName) { if (_propertyInheritanceTreeStack.ContainsKey(propertyName)) { Stack stackForProperty = _propertyInheritanceTreeStack[propertyName]; if (stackForProperty.Count > 0) { return stackForProperty.Peek(); } } // return root of the document if there is inheritable property on stack return _root; } //----------------------------- // private members. //----------------------------- // stack for building baml trees private Stack _bamlTreeStack = new Stack (); // stacks for building property's localizability inheritance tree. private Dictionary > _propertyInheritanceTreeStack = new Dictionary >(8); private BamlTreeNode _currentParent; private BamlStartDocumentNode _root; private BamlReader _reader; private int _nodeCount; // count the total number of nodes in the tree.(for future use by status bar) } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------- // Internal class that build the baml tree for localization // // Created: Garyyang @ 3/4/2003 // //--------------------------------------------------------- using System; using System.IO; using System.Globalization; using System.Runtime.InteropServices; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.Text; using System.Windows; using System.Windows.Markup; namespace MS.Internal.Globalization { /// /// BamlResourceDeserializer. This class strictly operates on Baml format, and doesn't /// know any localization specific details /// internal sealed class BamlResourceDeserializer { //---------------------------- // Internal static //---------------------------- internal static BamlTree LoadBaml(Stream bamlStream) { // thread safe implementation return (new BamlResourceDeserializer()).LoadBamlImp(bamlStream); } //------------------------------ // Private constructor //------------------------------ private BamlResourceDeserializer() { } //----------------------------- // private methods //----------------------------- ////// build the baml element tree as well as the localizability inheritance tree /// /// input baml stream. ///the tree constructed. private BamlTree LoadBamlImp(Stream bamlSteam) { _reader = new BamlReader(bamlSteam); _reader.Read(); if (_reader.NodeType != BamlNodeType.StartDocument) { throw new XamlParseException(SR.Get(SRID.InvalidStartOfBaml)); } // create root element. _root = new BamlStartDocumentNode(); PushNodeToStack(_root); // A hash table used to handle duplicate properties within an element Hashtable propertyOccurrences = new Hashtable(8); // create the tree by depth first traversal. while (_bamlTreeStack.Count > 0 && _reader.Read()) { switch (_reader.NodeType) { case BamlNodeType.StartElement : { BamlTreeNode bamlNode = new BamlStartElementNode( _reader.AssemblyName, _reader.Name, _reader.IsInjected, _reader.CreateUsingTypeConverter ); PushNodeToStack(bamlNode); break; } case BamlNodeType.EndElement : { BamlTreeNode bamlNode = new BamlEndElementNode(); AddChildToCurrentParent(bamlNode); PopStack(); break; } case BamlNodeType.StartComplexProperty : { BamlStartComplexPropertyNode bamlNode = new BamlStartComplexPropertyNode( _reader.AssemblyName, _reader.Name.Substring(0, _reader.Name.LastIndexOf('.')), _reader.LocalName ); bamlNode.LocalizabilityAncestor = PeekPropertyStack(bamlNode.PropertyName); PushPropertyToStack(bamlNode.PropertyName, (ILocalizabilityInheritable) bamlNode); PushNodeToStack(bamlNode); break; } case BamlNodeType.EndComplexProperty : { BamlTreeNode bamlNode = new BamlEndComplexPropertyNode(); AddChildToCurrentParent(bamlNode); PopStack(); break; } case BamlNodeType.Event : { BamlTreeNode bamlNode = new BamlEventNode(_reader.Name, _reader.Value); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.RoutedEvent : { BamlTreeNode bamlNode = new BamlRoutedEventNode( _reader.AssemblyName, _reader.Name.Substring(0, _reader.Name.LastIndexOf('.')), _reader.LocalName, _reader.Value ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.PIMapping : { BamlTreeNode bamlNode = new BamlPIMappingNode( _reader.XmlNamespace, _reader.ClrNamespace, _reader.AssemblyName ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.LiteralContent : { BamlTreeNode bamlNode = new BamlLiteralContentNode(_reader.Value); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.Text : { BamlTreeNode bamlNode = new BamlTextNode( _reader.Value, _reader.TypeConverterAssemblyName, _reader.TypeConverterName ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.StartConstructor : { BamlTreeNode bamlNode = new BamlStartConstructorNode(); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.EndConstructor : { BamlTreeNode bamlNode = new BamlEndConstructorNode(); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.EndDocument : { BamlTreeNode bamlNode = new BamlEndDocumentNode(); AddChildToCurrentParent(bamlNode); PopStack(); break; } default : { throw new XamlParseException(SR.Get(SRID.UnRecognizedBamlNodeType, _reader.NodeType)); } } // read properties if it has any. if (_reader.HasProperties) { // The Hashtable is used to auto-number repeated properties. The usage is as the following: // When encountering the 1st occurrence of the property, it stores a reference to the property's node (BamlTreeNode). // When encountering the property the 2nd time, we start auto-numbering the property including the 1st occurrence // and store the index count (int) in the slot from that point onwards. propertyOccurrences.Clear(); _reader.MoveToFirstProperty(); do { switch (_reader.NodeType) { case BamlNodeType.ConnectionId: { BamlTreeNode bamlNode = new BamlConnectionIdNode(_reader.ConnectionId); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.Property : { BamlPropertyNode bamlNode = new BamlPropertyNode( _reader.AssemblyName, _reader.Name.Substring(0, _reader.Name.LastIndexOf('.')), _reader.LocalName, _reader.Value, _reader.AttributeUsage ); bamlNode.LocalizabilityAncestor = PeekPropertyStack(bamlNode.PropertyName); PushPropertyToStack(bamlNode.PropertyName, (ILocalizabilityInheritable) bamlNode); AddChildToCurrentParent(bamlNode); if (propertyOccurrences.Contains(_reader.Name)) { // we autonumber properties that have occurrences larger than 1 object occurrence = propertyOccurrences[_reader.Name]; int index = 2; if (occurrence is BamlPropertyNode) { // start numbering this property as the 2nd occurrence is encountered // the value stores the 1st occurrence of the property at this point ((BamlPropertyNode) occurrence).Index = 1; }else { // For the 3rd or more occurrences, the value stores the next index // to assign to the property index = (int) occurrence; } // auto-number the current property node ((BamlPropertyNode)bamlNode).Index = index; propertyOccurrences[_reader.Name] = ++index; } else { // store the first occurrence of the property propertyOccurrences[_reader.Name] = bamlNode; } break; } case BamlNodeType.DefAttribute : { if (_reader.Name == XamlReaderHelper.DefinitionUid) { // set the Uid proeprty when we see it. ((BamlStartElementNode)_currentParent).Uid = _reader.Value; } BamlTreeNode bamlNode = new BamlDefAttributeNode( _reader.Name, _reader.Value ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.XmlnsProperty : { BamlTreeNode bamlNode = new BamlXmlnsPropertyNode( _reader.LocalName, _reader.Value ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.ContentProperty : { BamlTreeNode bamlNode = new BamlContentPropertyNode( _reader.AssemblyName, _reader.Name.Substring(0, _reader.Name.LastIndexOf('.')), _reader.LocalName ); AddChildToCurrentParent(bamlNode); break; } case BamlNodeType.PresentationOptionsAttribute: { BamlTreeNode bamlNode = new BamlPresentationOptionsAttributeNode( _reader.Name, _reader.Value ); AddChildToCurrentParent(bamlNode); break; } default : { throw new XamlParseException(SR.Get(SRID.UnRecognizedBamlNodeType, _reader.NodeType)); } } } while (_reader.MoveToNextProperty()); } } // At this point, the baml tree stack should be completely unwinded and also nothing more to read. if (_reader.Read() || _bamlTreeStack.Count > 0) { throw new XamlParseException(SR.Get(SRID.InvalidEndOfBaml)); } return new BamlTree(_root, _nodeCount); //notice that we don't close the input stream because we don't own it. } private void PushNodeToStack(BamlTreeNode node) { if (_currentParent != null) _currentParent.AddChild(node); _bamlTreeStack.Push(node); _currentParent = node; _nodeCount++; } private void AddChildToCurrentParent(BamlTreeNode node) { if (_currentParent == null) { throw new InvalidOperationException(SR.Get(SRID.NullParentNode)); } _currentParent.AddChild(node); _nodeCount++; } private void PopStack() { BamlTreeNode node = _bamlTreeStack.Pop(); if (node.Children != null) { // pop properties from property inheritance stack as well foreach (BamlTreeNode child in node.Children) { BamlStartComplexPropertyNode propertyNode = child as BamlStartComplexPropertyNode; if (propertyNode != null) { PopPropertyFromStack(propertyNode.PropertyName); } } } if (_bamlTreeStack.Count > 0) { _currentParent = _bamlTreeStack.Peek(); } else { // stack is empty. Set CurrentParent to null _currentParent = null; } } private void PushPropertyToStack(string propertyName, ILocalizabilityInheritable node) { StackstackForProperty; if (_propertyInheritanceTreeStack.ContainsKey(propertyName)) { // get the stack stackForProperty = _propertyInheritanceTreeStack[propertyName]; } else { stackForProperty = new Stack (); _propertyInheritanceTreeStack.Add(propertyName, stackForProperty); } // push the node stackForProperty.Push(node); } private void PopPropertyFromStack(string propertyName) { Stack stackForProperty = _propertyInheritanceTreeStack[propertyName]; stackForProperty.Pop(); } // Get the Top of the stack for a certain property private ILocalizabilityInheritable PeekPropertyStack(string propertyName) { if (_propertyInheritanceTreeStack.ContainsKey(propertyName)) { Stack stackForProperty = _propertyInheritanceTreeStack[propertyName]; if (stackForProperty.Count > 0) { return stackForProperty.Peek(); } } // return root of the document if there is inheritable property on stack return _root; } //----------------------------- // private members. //----------------------------- // stack for building baml trees private Stack _bamlTreeStack = new Stack (); // stacks for building property's localizability inheritance tree. private Dictionary > _propertyInheritanceTreeStack = new Dictionary >(8); private BamlTreeNode _currentParent; private BamlStartDocumentNode _root; private BamlReader _reader; private int _nodeCount; // count the total number of nodes in the tree.(for future use by status bar) } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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