예제 #1
0
        //-----------------------------
        // private  methods
        //-----------------------------
        /// <summary>
        /// build the baml element tree as well as the localizability inheritance tree
        /// </summary>
        /// <param name="bamlSteam">input baml stream.</param>
        /// <returns>the tree constructed.</returns>
        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.
        }
예제 #2
0
        //-----------------------------
        // private  methods
        //-----------------------------
        /// <summary>
        /// build the baml element tree as well as the localizability inheritance tree
        /// </summary>
        /// <param name="bamlSteam">input baml stream.</param>
        /// <returns>the tree constructed.</returns>
        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.
        }