Ejemplo n.º 1
0
        internal static void TransformNodes(System.Xaml.XamlReader xamlReader, System.Xaml.XamlObjectWriter xamlWriter,
                                            bool onlyLoadOneNode,
                                            bool skipJournaledProperties,
                                            bool shouldPassLineNumberInfo, IXamlLineInfo xamlLineInfo, IXamlLineInfoConsumer xamlLineInfoConsumer,
                                            XamlContextStack <WpfXamlFrame> stack,
                                            IStyleConnector styleConnector)
        {
            while (xamlReader.Read())
            {
                if (shouldPassLineNumberInfo)
                {
                    if (xamlLineInfo.LineNumber != 0)
                    {
                        xamlLineInfoConsumer.SetLineInfo(xamlLineInfo.LineNumber, xamlLineInfo.LinePosition);
                    }
                }

                switch (xamlReader.NodeType)
                {
                case System.Xaml.XamlNodeType.NamespaceDeclaration:
                    xamlWriter.WriteNode(xamlReader);
                    if (stack.Depth == 0 || stack.CurrentFrame.Type != null)
                    {
                        stack.PushScope();
                        // Need to create an XmlnsDictionary.
                        // Look up stack to see if we have one earlier
                        //  If so, use that.  Otherwise new a xmlnsDictionary
                        WpfXamlFrame iteratorFrame = stack.CurrentFrame;
                        while (iteratorFrame != null)
                        {
                            if (iteratorFrame.XmlnsDictionary != null)
                            {
                                stack.CurrentFrame.XmlnsDictionary =
                                    new XmlnsDictionary(iteratorFrame.XmlnsDictionary);
                                break;
                            }
                            iteratorFrame = (WpfXamlFrame)iteratorFrame.Previous;
                        }
                        if (stack.CurrentFrame.XmlnsDictionary == null)
                        {
                            stack.CurrentFrame.XmlnsDictionary =
                                new XmlnsDictionary();
                        }
                    }
                    stack.CurrentFrame.XmlnsDictionary.Add(xamlReader.Namespace.Prefix, xamlReader.Namespace.Namespace);
                    break;

                case System.Xaml.XamlNodeType.StartObject:
                    xamlWriter.WriteNode(xamlReader);
                    // If there's a frame but no Type, that means there
                    // was a namespace. Just set the Type
                    if (stack.Depth != 0 && stack.CurrentFrame.Type == null)
                    {
                        stack.CurrentFrame.Type = xamlReader.Type;
                    }
                    else
                    {
                        // Propagate the FreezeFreezable property from the current stack frame
                        stack.PushScope();
                        stack.CurrentFrame.Type = xamlReader.Type;
                        if (stack.PreviousFrame.FreezeFreezable)
                        {
                            stack.CurrentFrame.FreezeFreezable = true;
                        }
                    }
                    break;

                case System.Xaml.XamlNodeType.GetObject:
                    xamlWriter.WriteNode(xamlReader);
                    // If there wasn't a namespace node before this get object, need to pushScope.
                    if (stack.CurrentFrame.Type != null)
                    {
                        stack.PushScope();
                    }
                    stack.CurrentFrame.Type = stack.PreviousFrame.Property.Type;
                    break;

                case System.Xaml.XamlNodeType.EndObject:
                    xamlWriter.WriteNode(xamlReader);
                    // Freeze if required
                    if (stack.CurrentFrame.FreezeFreezable)
                    {
                        Freezable freezable = xamlWriter.Result as Freezable;
                        if (freezable != null && freezable.CanFreeze)
                        {
                            freezable.Freeze();
                        }
                    }
                    DependencyObject dependencyObject = xamlWriter.Result as DependencyObject;
                    if (dependencyObject != null && stack.CurrentFrame.XmlSpace.HasValue)
                    {
                        XmlAttributeProperties.SetXmlSpace(dependencyObject, stack.CurrentFrame.XmlSpace.Value ? "default" : "preserve");
                    }
                    stack.PopScope();
                    break;

                case System.Xaml.XamlNodeType.StartMember:
                    // ObjectWriter should NOT process PresentationOptions:Freeze directive since it is Unknown
                    // The space directive node stream should not be written because it induces object instantiation,
                    // and the Baml2006Reader can produce space directives prematurely.
                    if (!(xamlReader.Member.IsDirective && xamlReader.Member == XamlReaderHelper.Freeze) &&
                        xamlReader.Member != XmlSpace.Value &&
                        xamlReader.Member != XamlLanguage.Space)
                    {
                        xamlWriter.WriteNode(xamlReader);
                    }

                    stack.CurrentFrame.Property = xamlReader.Member;
                    if (skipJournaledProperties)
                    {
                        if (!stack.CurrentFrame.Property.IsDirective)
                        {
                            System.Windows.Baml2006.WpfXamlMember wpfMember = stack.CurrentFrame.Property as System.Windows.Baml2006.WpfXamlMember;
                            if (wpfMember != null)
                            {
                                DependencyProperty prop = wpfMember.DependencyProperty;

                                if (prop != null)
                                {
                                    FrameworkPropertyMetadata metadata = prop.GetMetadata(stack.CurrentFrame.Type.UnderlyingType) as FrameworkPropertyMetadata;
                                    if (metadata != null && metadata.Journal == true)
                                    {
                                        //
                                        int count = 1;
                                        while (xamlReader.Read())
                                        {
                                            switch (xamlReader.NodeType)
                                            {
                                            case System.Xaml.XamlNodeType.StartMember:
                                                count++;
                                                break;

                                            case System.Xaml.XamlNodeType.EndMember:
                                                count--;
                                                if (count == 0)
                                                {
                                                    xamlWriter.WriteNode(xamlReader);
                                                }
                                                break;
                                            }
                                            if (count == 0)
                                            {
                                                break;
                                            }
                                        }
                                        // shouldn't this have been a XamlReader.Skip()?
                                        System.Diagnostics.Debug.Assert(count == 0, "Mismatch StartMember/EndMember");
                                    }
                                }
                            }
                        }
                    }
                    break;

                case System.Xaml.XamlNodeType.EndMember:
                    WpfXamlFrame currentFrame    = stack.CurrentFrame;
                    XamlMember   currentProperty = currentFrame.Property;
                    // ObjectWriter should not process PresentationOptions:Freeze directive nodes since it is unknown
                    // The space directive node stream should not be written because it induces object instantiation,
                    // and the Baml2006Reader can produce space directives prematurely.
                    if (!(currentProperty.IsDirective && currentProperty == XamlReaderHelper.Freeze) &&
                        currentProperty != XmlSpace.Value &&
                        currentProperty != XamlLanguage.Space)
                    {
                        xamlWriter.WriteNode(xamlReader);
                    }
                    currentFrame.Property = null;
                    break;

                case System.Xaml.XamlNodeType.Value:
                    if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlLanguage.Shared)
                    {
                        bool isShared;
                        if (bool.TryParse(xamlReader.Value as string, out isShared))
                        {
                            if (!isShared)
                            {
                                if (!(xamlReader is Baml2006Reader))
                                {
                                    throw new XamlParseException(SR.Get(SRID.SharedAttributeInLooseXaml));
                                }
                            }
                        }
                    }
                    // ObjectWriter should not process PresentationOptions:Freeze directive nodes since it is unknown
                    if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlReaderHelper.Freeze)
                    {
                        bool freeze = Convert.ToBoolean(xamlReader.Value, TypeConverterHelper.InvariantEnglishUS);
                        stack.CurrentFrame.FreezeFreezable = freeze;
                        var bamlReader = xamlReader as System.Windows.Baml2006.Baml2006Reader;
                        if (bamlReader != null)
                        {
                            bamlReader.FreezeFreezables = freeze;
                        }
                    }
                    // The space directive node stream should not be written because it induces object instantiation,
                    // and the Baml2006Reader can produce space directives prematurely.
                    else if (stack.CurrentFrame.Property == XmlSpace.Value || stack.CurrentFrame.Property == XamlLanguage.Space)
                    {
                        if (typeof(DependencyObject).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
                        {
                            System.Diagnostics.Debug.Assert(xamlReader.Value is string, "XmlAttributeProperties.XmlSpaceProperty has the type string.");
                            stack.CurrentFrame.XmlSpace = (string)xamlReader.Value == "default";
                        }
                    }
                    else
                    {
                        // Ideally we should check if we're inside FrameworkTemplate's Content and not register those.
                        // However, checking if the instance is null accomplishes the same with a much smaller perf impact.
                        if (styleConnector != null &&
                            stack.CurrentFrame.Instance != null &&
                            stack.CurrentFrame.Property == XamlLanguage.ConnectionId &&
                            typeof(Style).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
                        {
                            styleConnector.Connect((int)xamlReader.Value, stack.CurrentFrame.Instance);
                        }

                        xamlWriter.WriteNode(xamlReader);
                    }
                    break;

                default:
                    xamlWriter.WriteNode(xamlReader);
                    break;
                }

                //Only do this loop for one node if loadAsync
                if (onlyLoadOneNode)
                {
                    return;
                }
            }
        }
        internal static void TransformNodes(System.Xaml.XamlReader xamlReader, System.Xaml.XamlObjectWriter xamlWriter,
                                            bool onlyLoadOneNode,
                                            bool skipJournaledProperties,
                                            bool shouldPassLineNumberInfo, IXamlLineInfo xamlLineInfo, IXamlLineInfoConsumer xamlLineInfoConsumer,
                                            XamlContextStack <WpfXamlFrame> stack,
                                            IStyleConnector styleConnector)
        {
            while (xamlReader.Read())
            {
                if (shouldPassLineNumberInfo)
                {
                    if (xamlLineInfo.LineNumber != 0)
                    {
                        xamlLineInfoConsumer.SetLineInfo(xamlLineInfo.LineNumber, xamlLineInfo.LinePosition);
                    }
                }

                switch (xamlReader.NodeType)
                {
                case System.Xaml.XamlNodeType.NamespaceDeclaration:
                    xamlWriter.WriteNode(xamlReader);
                    if (stack.Depth == 0 || stack.CurrentFrame.Type != null)
                    {
                        stack.PushScope();
                        // Need to create an XmlnsDictionary.
                        // Look up stack to see if we have one earlier
                        //  If so, use that.  Otherwise new a xmlnsDictionary
                        WpfXamlFrame iteratorFrame = stack.CurrentFrame;
                        while (iteratorFrame != null)
                        {
                            if (iteratorFrame.XmlnsDictionary != null)
                            {
                                stack.CurrentFrame.XmlnsDictionary =
                                    new XmlnsDictionary(iteratorFrame.XmlnsDictionary);
                                break;
                            }
                            iteratorFrame = (WpfXamlFrame)iteratorFrame.Previous;
                        }
                        if (stack.CurrentFrame.XmlnsDictionary == null)
                        {
                            stack.CurrentFrame.XmlnsDictionary =
                                new XmlnsDictionary();
                        }
                    }
                    stack.CurrentFrame.XmlnsDictionary.Add(xamlReader.Namespace.Prefix, xamlReader.Namespace.Namespace);
                    break;

                case System.Xaml.XamlNodeType.StartObject:
                    WriteStartObject(xamlReader, xamlWriter, stack);
                    break;

                case System.Xaml.XamlNodeType.GetObject:
                    xamlWriter.WriteNode(xamlReader);
                    // If there wasn't a namespace node before this get object, need to pushScope.
                    if (stack.CurrentFrame.Type != null)
                    {
                        stack.PushScope();
                    }
                    stack.CurrentFrame.Type = stack.PreviousFrame.Property.Type;
                    break;

                case System.Xaml.XamlNodeType.EndObject:
                    xamlWriter.WriteNode(xamlReader);
                    // Freeze if required
                    if (stack.CurrentFrame.FreezeFreezable)
                    {
                        Freezable freezable = xamlWriter.Result as Freezable;
                        if (freezable != null && freezable.CanFreeze)
                        {
                            freezable.Freeze();
                        }
                    }
                    DependencyObject dependencyObject = xamlWriter.Result as DependencyObject;
                    if (dependencyObject != null && stack.CurrentFrame.XmlSpace.HasValue)
                    {
                        XmlAttributeProperties.SetXmlSpace(dependencyObject, stack.CurrentFrame.XmlSpace.Value ? "default" : "preserve");
                    }
                    stack.PopScope();
                    break;

                case System.Xaml.XamlNodeType.StartMember:
                    // ObjectWriter should NOT process PresentationOptions:Freeze directive since it is Unknown
                    // The space directive node stream should not be written because it induces object instantiation,
                    // and the Baml2006Reader can produce space directives prematurely.
                    if (!(xamlReader.Member.IsDirective && xamlReader.Member == XamlReaderHelper.Freeze) &&
                        xamlReader.Member != XmlSpace.Value &&
                        xamlReader.Member != XamlLanguage.Space)
                    {
                        xamlWriter.WriteNode(xamlReader);
                    }

                    stack.CurrentFrame.Property = xamlReader.Member;
                    if (skipJournaledProperties)
                    {
                        if (!stack.CurrentFrame.Property.IsDirective)
                        {
                            System.Windows.Baml2006.WpfXamlMember wpfMember = stack.CurrentFrame.Property as System.Windows.Baml2006.WpfXamlMember;
                            if (wpfMember != null)
                            {
                                DependencyProperty prop = wpfMember.DependencyProperty;

                                if (prop != null)
                                {
                                    FrameworkPropertyMetadata metadata = prop.GetMetadata(stack.CurrentFrame.Type.UnderlyingType) as FrameworkPropertyMetadata;
                                    if (metadata != null && metadata.Journal == true)
                                    {
                                        // Ignore the BAML for this member, unless it declares a value that wasn't journaled - namely a binding or a dynamic resource
                                        int count = 1;
                                        while (xamlReader.Read())
                                        {
                                            switch (xamlReader.NodeType)
                                            {
                                            case System.Xaml.XamlNodeType.StartMember:
                                                count++;
                                                break;

                                            case System.Xaml.XamlNodeType.StartObject:
                                                XamlType xamlType            = xamlReader.Type;
                                                XamlType bindingBaseType     = xamlType.SchemaContext.GetXamlType(typeof(BindingBase));
                                                XamlType dynamicResourceType = xamlType.SchemaContext.GetXamlType(typeof(DynamicResourceExtension));
                                                if (count == 1 && (xamlType.CanAssignTo(bindingBaseType) || xamlType.CanAssignTo(dynamicResourceType)))
                                                {
                                                    count = 0;
                                                    WriteStartObject(xamlReader, xamlWriter, stack);
                                                }
                                                break;

                                            case System.Xaml.XamlNodeType.EndMember:
                                                count--;
                                                if (count == 0)
                                                {
                                                    xamlWriter.WriteNode(xamlReader);
                                                    stack.CurrentFrame.Property = null;
                                                }
                                                break;

                                            case System.Xaml.XamlNodeType.Value:
                                                DynamicResourceExtension value = xamlReader.Value as DynamicResourceExtension;
                                                if (value != null)
                                                {
                                                    WriteValue(xamlReader, xamlWriter, stack, styleConnector);
                                                }
                                                break;
                                            }
                                            if (count == 0)
                                            {
                                                break;
                                            }
                                        }

                                        System.Diagnostics.Debug.Assert(count == 0, "Mismatch StartMember/EndMember");
                                    }
                                }
                            }
                        }
                    }
                    break;

                case System.Xaml.XamlNodeType.EndMember:
                    WpfXamlFrame currentFrame    = stack.CurrentFrame;
                    XamlMember   currentProperty = currentFrame.Property;
                    // ObjectWriter should not process PresentationOptions:Freeze directive nodes since it is unknown
                    // The space directive node stream should not be written because it induces object instantiation,
                    // and the Baml2006Reader can produce space directives prematurely.
                    if (!(currentProperty.IsDirective && currentProperty == XamlReaderHelper.Freeze) &&
                        currentProperty != XmlSpace.Value &&
                        currentProperty != XamlLanguage.Space)
                    {
                        xamlWriter.WriteNode(xamlReader);
                    }
                    currentFrame.Property = null;
                    break;

                case System.Xaml.XamlNodeType.Value:
                    WriteValue(xamlReader, xamlWriter, stack, styleConnector);
                    break;

                default:
                    xamlWriter.WriteNode(xamlReader);
                    break;
                }

                //Only do this loop for one node if loadAsync
                if (onlyLoadOneNode)
                {
                    return;
                }
            }
        }
Ejemplo n.º 3
0
        // Token: 0x0600226B RID: 8811 RVA: 0x000AAF38 File Offset: 0x000A9138
        internal static void TransformNodes(XamlReader xamlReader, XamlObjectWriter xamlWriter, bool onlyLoadOneNode, bool skipJournaledProperties, bool shouldPassLineNumberInfo, IXamlLineInfo xamlLineInfo, IXamlLineInfoConsumer xamlLineInfoConsumer, XamlContextStack <WpfXamlFrame> stack, IStyleConnector styleConnector)
        {
            while (xamlReader.Read())
            {
                if (shouldPassLineNumberInfo && xamlLineInfo.LineNumber != 0)
                {
                    xamlLineInfoConsumer.SetLineInfo(xamlLineInfo.LineNumber, xamlLineInfo.LinePosition);
                }
                switch (xamlReader.NodeType)
                {
                case XamlNodeType.StartObject:
                    WpfXamlLoader.WriteStartObject(xamlReader, xamlWriter, stack);
                    break;

                case XamlNodeType.GetObject:
                    xamlWriter.WriteNode(xamlReader);
                    if (stack.CurrentFrame.Type != null)
                    {
                        stack.PushScope();
                    }
                    stack.CurrentFrame.Type = stack.PreviousFrame.Property.Type;
                    break;

                case XamlNodeType.EndObject:
                {
                    xamlWriter.WriteNode(xamlReader);
                    if (stack.CurrentFrame.FreezeFreezable)
                    {
                        Freezable freezable = xamlWriter.Result as Freezable;
                        if (freezable != null && freezable.CanFreeze)
                        {
                            freezable.Freeze();
                        }
                    }
                    DependencyObject dependencyObject = xamlWriter.Result as DependencyObject;
                    if (dependencyObject != null && stack.CurrentFrame.XmlSpace != null)
                    {
                        XmlAttributeProperties.SetXmlSpace(dependencyObject, stack.CurrentFrame.XmlSpace.Value ? "default" : "preserve");
                    }
                    stack.PopScope();
                    break;
                }

                case XamlNodeType.StartMember:
                    if ((!xamlReader.Member.IsDirective || !(xamlReader.Member == XamlReaderHelper.Freeze)) && xamlReader.Member != WpfXamlLoader.XmlSpace.Value && xamlReader.Member != XamlLanguage.Space)
                    {
                        xamlWriter.WriteNode(xamlReader);
                    }
                    stack.CurrentFrame.Property = xamlReader.Member;
                    if (skipJournaledProperties && !stack.CurrentFrame.Property.IsDirective)
                    {
                        WpfXamlMember wpfXamlMember = stack.CurrentFrame.Property as WpfXamlMember;
                        if (wpfXamlMember != null)
                        {
                            DependencyProperty dependencyProperty = wpfXamlMember.DependencyProperty;
                            if (dependencyProperty != null)
                            {
                                FrameworkPropertyMetadata frameworkPropertyMetadata = dependencyProperty.GetMetadata(stack.CurrentFrame.Type.UnderlyingType) as FrameworkPropertyMetadata;
                                if (frameworkPropertyMetadata != null && frameworkPropertyMetadata.Journal)
                                {
                                    int num = 1;
                                    while (xamlReader.Read())
                                    {
                                        switch (xamlReader.NodeType)
                                        {
                                        case XamlNodeType.StartObject:
                                        {
                                            XamlType type      = xamlReader.Type;
                                            XamlType xamlType  = type.SchemaContext.GetXamlType(typeof(BindingBase));
                                            XamlType xamlType2 = type.SchemaContext.GetXamlType(typeof(DynamicResourceExtension));
                                            if (num == 1 && (type.CanAssignTo(xamlType) || type.CanAssignTo(xamlType2)))
                                            {
                                                num = 0;
                                                WpfXamlLoader.WriteStartObject(xamlReader, xamlWriter, stack);
                                            }
                                            break;
                                        }

                                        case XamlNodeType.StartMember:
                                            num++;
                                            break;

                                        case XamlNodeType.EndMember:
                                            num--;
                                            if (num == 0)
                                            {
                                                xamlWriter.WriteNode(xamlReader);
                                                stack.CurrentFrame.Property = null;
                                            }
                                            break;

                                        case XamlNodeType.Value:
                                        {
                                            DynamicResourceExtension dynamicResourceExtension = xamlReader.Value as DynamicResourceExtension;
                                            if (dynamicResourceExtension != null)
                                            {
                                                WpfXamlLoader.WriteValue(xamlReader, xamlWriter, stack, styleConnector);
                                            }
                                            break;
                                        }
                                        }
                                        if (num == 0)
                                        {
                                            break;
                                        }
                                    }
                                }
                            }
                        }
                    }
                    break;

                case XamlNodeType.EndMember:
                {
                    WpfXamlFrame currentFrame = stack.CurrentFrame;
                    XamlMember   property     = currentFrame.Property;
                    if ((!property.IsDirective || !(property == XamlReaderHelper.Freeze)) && property != WpfXamlLoader.XmlSpace.Value && property != XamlLanguage.Space)
                    {
                        xamlWriter.WriteNode(xamlReader);
                    }
                    currentFrame.Property = null;
                    break;
                }

                case XamlNodeType.Value:
                    WpfXamlLoader.WriteValue(xamlReader, xamlWriter, stack, styleConnector);
                    break;

                case XamlNodeType.NamespaceDeclaration:
                    xamlWriter.WriteNode(xamlReader);
                    if (stack.Depth == 0 || stack.CurrentFrame.Type != null)
                    {
                        stack.PushScope();
                        for (WpfXamlFrame wpfXamlFrame = stack.CurrentFrame; wpfXamlFrame != null; wpfXamlFrame = (WpfXamlFrame)wpfXamlFrame.Previous)
                        {
                            if (wpfXamlFrame.XmlnsDictionary != null)
                            {
                                stack.CurrentFrame.XmlnsDictionary = new XmlnsDictionary(wpfXamlFrame.XmlnsDictionary);
                                break;
                            }
                        }
                        if (stack.CurrentFrame.XmlnsDictionary == null)
                        {
                            stack.CurrentFrame.XmlnsDictionary = new XmlnsDictionary();
                        }
                    }
                    stack.CurrentFrame.XmlnsDictionary.Add(xamlReader.Namespace.Prefix, xamlReader.Namespace.Namespace);
                    break;

                default:
                    xamlWriter.WriteNode(xamlReader);
                    break;
                }
                if (onlyLoadOneNode)
                {
                    return;
                }
            }
        }