コード例 #1
0
ファイル: Baml2006Reader.cs プロジェクト: sjyanxin/WPFSource
        private void Process_OptimizedStaticResource()
        { 
            byte flags = _binaryReader.ReadByte(); 
            short keyId = _binaryReader.ReadInt16();
 
            var optimizedStaticResource = new OptimizedStaticResource(flags, keyId);

            if (_isBinaryProvider)
            { 
                // Compute the Value from the ValueId
                // This code could/should be in "OptimizedStaticResource.Value", but that class 
                // doesn't have access to the BamlSchemaContext or the GetStaticExtension() 
                // method below.
                if (optimizedStaticResource.IsKeyTypeExtension) 
                {
                    XamlType xamlType = BamlSchemaContext.GetXamlType(keyId);
                    optimizedStaticResource.KeyValue = xamlType.UnderlyingType;
                } 
                else if (optimizedStaticResource.IsKeyStaticExtension)
                { 
                    Type memberType; 
                    object providedValue;
                    string propertyName = GetStaticExtensionValue(keyId, out memberType, out providedValue); 
                    if (providedValue == null)
                    {
                        var staticExtension = new System.Windows.Markup.StaticExtension(propertyName);
                        staticExtension.MemberType = memberType; 
                        providedValue = staticExtension.ProvideValue(null);
                    } 
                    optimizedStaticResource.KeyValue = providedValue; 
                }
                else 
                {
                    optimizedStaticResource.KeyValue = _context.SchemaContext.GetString(keyId);
                }
            } 

            var staticResources = _context.LastKey.StaticResources; 
            staticResources.Add(optimizedStaticResource); 
        }
コード例 #2
0
ファイル: Baml2006Reader.cs プロジェクト: sjyanxin/WPFSource
        // (property, markup extension, value) including the well known WPF TemplateBinding, StaticResource or DynamicResource markup extensions
        // Writes out a property with a markup extension.  However, if there is a x:Static, Type, or TemplateBinding inside the ME, we code that
        // specially.  e.g. Property="{FooExtension {x:Static f:Foo.Bar}}" would be written out as one Baml Record
        private void Process_PropertyWithExtension() 
        {
            Common_Process_Property(); 
 
            short propertyId = _binaryReader.ReadInt16();
            Int16 extensionId = _binaryReader.ReadInt16(); 
            Int16 valueId = _binaryReader.ReadInt16();


            XamlMember property = GetProperty(propertyId, _context.CurrentFrame.XamlType); 
            Int16 extensionTypeId = (Int16)(extensionId & ExtensionIdMask);
            XamlType extensionType = BamlSchemaContext.GetXamlType((short)(-extensionTypeId)); 
 
            bool isValueTypeExtension = (extensionId & TypeExtensionValueMask) == TypeExtensionValueMask;
            bool isValueStaticExtension = (extensionId & StaticExtensionValueMask) == StaticExtensionValueMask; 

            Type typeExtensionType = null;
            Type memberType = null;
            object value = null; 

 
            // Write out the main Extension {FooExtension 
            _xamlNodesWriter.WriteStartMember(property);
 
            // If we're in the binary case, we try to write the value out directly
            bool handled = false;
            if (_isBinaryProvider)
            { 
                object param = null;
                object providedValue = null; 
 
                if (isValueStaticExtension)
                { 
                    Type ownerType = null;
                    string staticExParam = GetStaticExtensionValue(valueId, out ownerType, out providedValue);

                    // If it's a Known command or a SystemResourceKey, send the value across directly 
                    if (providedValue != null)
                    { 
                        param = providedValue; 
                    }
                    else 
                    {
                        System.Windows.Markup.StaticExtension staticExtension =
                            new System.Windows.Markup.StaticExtension(staticExParam);
                        Debug.Assert(ownerType != null); 
                        staticExtension.MemberType = ownerType;
                        param = staticExtension.ProvideValue(null); // if MemberType is set we don't need ITypeResolver 
                    } 
                }
                else if (isValueTypeExtension) 
                {
                    param = BamlSchemaContext.GetXamlType(valueId).UnderlyingType;
                }
                else 
                {
                    // For all other scenarios, we want to just write out the type 
 
                    if (extensionTypeId == Baml2006SchemaContext.TemplateBindingTypeId)
                    { 
                        param = _context.SchemaContext.GetDependencyProperty(valueId);
                    }
                    else if (extensionTypeId == Baml2006SchemaContext.StaticExtensionTypeId)
                    { 
                        param = GetStaticExtensionValue(valueId, out memberType, out providedValue);
                    } 
                    else if (extensionTypeId == Baml2006SchemaContext.TypeExtensionTypeId) 
                    {
                        param = BamlSchemaContext.GetXamlType(valueId).UnderlyingType; 
                    }
                    else
                    {
                        param = BamlSchemaContext.GetString(valueId); 
                    }
                } 
 
                // Doing == comparison since we only know how to create those quickly here
                if (extensionTypeId == Baml2006SchemaContext.DynamicResourceTypeId) 
                {
                    value = new DynamicResourceExtension(param);
                    handled = true;
                } 
                else if (extensionTypeId == Baml2006SchemaContext.StaticResourceTypeId)
                { 
                    value = new StaticResourceExtension(param); 
                    handled = true;
                } 
                else if (extensionTypeId == Baml2006SchemaContext.TemplateBindingTypeId)
                {
                    value = new TemplateBindingExtension((DependencyProperty)param);
                    handled = true; 
                }
                else if (extensionTypeId == Baml2006SchemaContext.TypeExtensionTypeId) 
                { 
                    value = param;
                    handled = true; 
                }
                else if (extensionTypeId == Baml2006SchemaContext.StaticExtensionTypeId)
                {
                    if (providedValue != null) 
                    {
                        value = providedValue; 
                    } 
                    else
                    { 
                        System.Windows.Markup.StaticExtension staticExtension = new System.Windows.Markup.StaticExtension((string)param);
                        staticExtension.MemberType = memberType;
                        value = staticExtension;
                    } 
                    handled = true;
                } 
 
                if (handled)
                { 
                    _xamlNodesWriter.WriteValue(value);
                    _xamlNodesWriter.WriteEndMember();

                    return; 
                }
            } 
 
            if (!handled)
            { 

                _xamlNodesWriter.WriteStartObject(extensionType);
                _xamlNodesWriter.WriteStartMember(XamlLanguage.PositionalParameters);
 
                if (isValueStaticExtension)
                { 
 
                    Type ownerType = null;
                    object providedValue; 
                    value = GetStaticExtensionValue(valueId, out ownerType, out providedValue);

                    // If it's a Known command or a SystemResourceKey, send the value across directly
                    if (providedValue != null) 
                    {
                        _xamlNodesWriter.WriteValue(providedValue); 
                    } 
                    else
                    { 
                        // Special case for {x:Static ...} inside the main extension
                        _xamlNodesWriter.WriteStartObject(XamlLanguage.Static);
                        _xamlNodesWriter.WriteStartMember(XamlLanguage.PositionalParameters);
                        _xamlNodesWriter.WriteValue(value); 
                        _xamlNodesWriter.WriteEndMember();
 
                        // In BAML scenario, we want to pass MemberType directly along cuz it's optimal 
                        if (ownerType != null)
                        { 
                            _xamlNodesWriter.WriteStartMember(BamlSchemaContext.StaticExtensionMemberTypeProperty);
                            _xamlNodesWriter.WriteValue(ownerType);
                            _xamlNodesWriter.WriteEndMember();
                        } 
                        _xamlNodesWriter.WriteEndObject();
                    } 
                } 
                else if (isValueTypeExtension)
                { 
                    // Special case for {x:Type ...} inside the main extension
                    _xamlNodesWriter.WriteStartObject(XamlLanguage.Type);
                    _xamlNodesWriter.WriteStartMember(BamlSchemaContext.TypeExtensionTypeProperty);
 
                    typeExtensionType = BamlSchemaContext.GetXamlType(valueId).UnderlyingType;
                    if (_isBinaryProvider) 
                    { 
                        _xamlNodesWriter.WriteValue(typeExtensionType);
                    } 
                    else
                    {
                        _xamlNodesWriter.WriteValue(Logic_GetFullyQualifiedNameForType(BamlSchemaContext.GetXamlType(valueId)));
                    } 
                    _xamlNodesWriter.WriteEndMember();
                    _xamlNodesWriter.WriteEndObject(); 
                } 
                else
                { 
                    // For all other scenarios, we want to just write out the type

                    if (extensionTypeId == Baml2006SchemaContext.TemplateBindingTypeId)
                    { 
                        if (this._isBinaryProvider)
                        { 
                            value = BitConverter.GetBytes(valueId); 
                        }
                        else 
                        {
                            value = Logic_GetFullyQualifiedNameForMember(valueId);
                        }
                    } 
                    else if (extensionTypeId == Baml2006SchemaContext.StaticExtensionTypeId)
                    { 
                        // If we're here, that means we're not a binary provider which means we can't 
                        // support writing the provided value out directly.
                        object providedValue; 
                        value = GetStaticExtensionValue(valueId, out memberType, out providedValue);
                    }
                    else if (extensionTypeId == Baml2006SchemaContext.TypeExtensionTypeId)
                    { 
                        value = BamlSchemaContext.GetXamlType(valueId).UnderlyingType;
                    } 
                    else 
                    {
                        value = BamlSchemaContext.GetString(valueId); 
                    }

                    _xamlNodesWriter.WriteValue(value);
                } 

                _xamlNodesWriter.WriteEndMember(); 
                if (memberType != null) 
                {
                    _xamlNodesWriter.WriteStartMember(BamlSchemaContext.StaticExtensionMemberTypeProperty); 
                    _xamlNodesWriter.WriteValue(memberType);
                    _xamlNodesWriter.WriteEndMember();
                }
            } 
            _xamlNodesWriter.WriteEndObject();
            _xamlNodesWriter.WriteEndMember(); 
        }