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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Xaml;
using System.Xaml.Schema;
using System.Diagnostics;
using System.Reflection;
using MS.Internal;
namespace System.Windows.Baml2006
{
static class Baml6KnownTypes
{
public const Int16 BooleanConverter = 46;
public const Int16 DependencyPropertyConverter = 137;
public const Int16 EnumConverter = 195;
public const Int16 XamlBrushSerializer = 744;
public const Int16 XamlInt32CollectionSerializer = 745;
public const Int16 XamlPathDataSerializer = 746;
public const Int16 XamlPoint3DCollectionSerializer = 747;
public const Int16 XamlPointCollectionSerializer = 748;
public const Int16 XamlVector3DCollectionSerializer = 752;
}
partial class WpfSharedBamlSchemaContext: XamlSchemaContext
{
object _syncObject;
// Data structures for KNOWN types/members.
private Baml6Assembly[] _knownBamlAssemblies;
private WpfKnownType[] _knownBamlTypes;
private WpfKnownMember[] _knownBamlMembers;
private Dictionary<Type, XamlType> _masterTypeTable;
private System.Windows.Markup.XmlnsDictionary _wpfDefaultNamespace;
private List<ThemeKnownTypeHelper> _themeHelpers;
public WpfSharedBamlSchemaContext()
{
Initialize();
}
public WpfSharedBamlSchemaContext(XamlSchemaContextSettings settings)
:base(settings)
{
Initialize();
}
private void Initialize()
{
_syncObject = new object();
_knownBamlAssemblies = new Baml6Assembly[5];
// Add 1 to the KnownTypeCount & KnownPropertyCount since we go from -1 - -KnownTypeCount.
// 0 is a placeholder
_knownBamlTypes = new WpfKnownType[KnownTypeCount + 1];
_masterTypeTable = new Dictionary<Type, XamlType>(256);
_knownBamlMembers = new WpfKnownMember[KnownPropertyCount + 1];
}
internal string GetKnownBamlString(Int16 stringId)
{
string result;
switch (stringId)
{
case -1:
result = "Name";
break;
case -2:
result = "Uid";
break;
default:
result = null;
break;
}
return result;
}
internal Baml6Assembly GetKnownBamlAssembly(Int16 assemblyId)
{
if (assemblyId > 0)
{
throw new ArgumentException(SR.AssemblyIdNegative);
}
assemblyId = (short)-assemblyId;
Baml6Assembly assembly = _knownBamlAssemblies[assemblyId];
if (assembly == null)
{
assembly = CreateKnownBamlAssembly(assemblyId);
_knownBamlAssemblies[assemblyId] = assembly;
}
return assembly;
}
internal Baml6Assembly CreateKnownBamlAssembly(Int16 assemblyId)
{
Baml6Assembly assembly;
switch (assemblyId)
{
case 0: assembly = new Baml6Assembly(typeof(double).Assembly); break; // never happens ??
case 1: assembly = new Baml6Assembly(typeof(System.Uri).Assembly); break;
case 2: assembly = new Baml6Assembly(typeof(System.Windows.DependencyObject).Assembly); break;
case 3: assembly = new Baml6Assembly(typeof(System.Windows.UIElement).Assembly); break;
case 4: assembly = new Baml6Assembly(typeof(System.Windows.FrameworkElement).Assembly); break;
default: assembly = null; break;
}
return assembly;
}
// Get Known TypesId
// TypeId's defined in the stream are resolved by the Stream Schema Context
//
internal WpfKnownType GetKnownBamlType(short typeId)
{
WpfKnownType bamlType;
if (typeId >= 0)
{
throw new ArgumentException(SR.KnownTypeIdNegative);
}
typeId = (short)-typeId;
lock (_syncObject)
{
bamlType = _knownBamlTypes[typeId];
if(bamlType == null)
{
bamlType = CreateKnownBamlType(typeId, true, true);
Debug.Assert(bamlType != null);
_knownBamlTypes[typeId] = bamlType;
_masterTypeTable.Add(bamlType.UnderlyingType, bamlType);
}
}
return bamlType;
}
// Get Known PropertiesId
// PropertyId's defined in the stream are resolved by the Stream Schema Context
//
internal WpfKnownMember GetKnownBamlMember(short memberId)
{
WpfKnownMember bamlMember;
if (memberId >= 0)
{
throw new ArgumentException(SR.KnownTypeIdNegative);
}
memberId = (short)-memberId;
lock (_syncObject)
{
bamlMember = _knownBamlMembers[memberId];
if (bamlMember == null)
{
bamlMember = CreateKnownMember(memberId);
Debug.Assert(bamlMember != null);
_knownBamlMembers[memberId] = bamlMember;
//_masterTypeTable.Add(bamlType.UnderlyingType, bamlType);
}
}
return bamlMember;
}
// Maintain our own cache of type -> xamltype so that known types will
// be found when we lookup XamlType by their underlying Type.
//
public override XamlType GetXamlType(Type type)
{
ArgumentNullException.ThrowIfNull(type);
XamlType xamlType = GetKnownXamlType(type);
if (xamlType == null)
{
xamlType = GetUnknownXamlType(type);
}
return xamlType;
}
// Assumes that GetKnownXamlType was called first
private XamlType GetUnknownXamlType(Type type)
{
XamlType xamlType;
lock (_syncObject)
{
if (!_masterTypeTable.TryGetValue(type, out xamlType))
{
WpfSharedXamlSchemaContext.RequireRuntimeType(type);
xamlType = new WpfXamlType(type, this, true, true);
_masterTypeTable.Add(type, xamlType);
}
}
return xamlType;
}
internal XamlType GetKnownXamlType(Type type)
{
XamlType xamlType;
lock (_syncObject)
{
// First; look for the type in our Main cache.
if (!_masterTypeTable.TryGetValue(type, out xamlType))
{
// Then check if it is one of the Known Types.
// KnowTypes created by name need to be checked for an exact match.
xamlType = CreateKnownBamlType(type.Name, true, true);
if (xamlType == null && _themeHelpers != null)
{
foreach (ThemeKnownTypeHelper helper in _themeHelpers)
{
xamlType = helper.GetKnownXamlType(type.Name);
if (xamlType != null && xamlType.UnderlyingType == type)
{
break;
}
}
}
if (xamlType != null && xamlType.UnderlyingType == type)
{
WpfKnownType bamlType = xamlType as WpfKnownType;
if (bamlType != null)
{
_knownBamlTypes[bamlType.BamlNumber] = bamlType;
}
_masterTypeTable.Add(type, xamlType);
}
else
{
// If we get a known type but the type doesn't match, set xamlType to null
xamlType = null;
}
}
}
return xamlType;
}
internal XamlValueConverter<XamlDeferringLoader> GetDeferringLoader(Type loaderType)
{
return base.GetValueConverter<XamlDeferringLoader>(loaderType, null);
}
internal XamlValueConverter<TypeConverter> GetTypeConverter(Type converterType)
{
if (converterType.IsEnum)
{
return base.GetValueConverter<TypeConverter>(typeof(EnumConverter), GetXamlType(converterType));
}
else
{
return base.GetValueConverter<TypeConverter>(converterType, null);
}
}
protected override XamlType GetXamlType(string xamlNamespace, string name, params XamlType[] typeArguments)
{
return base.GetXamlType(xamlNamespace, name, typeArguments);
}
public XamlType GetXamlTypeExposed(string xamlNamespace, string name, params XamlType[] typeArguments)
{
return base.GetXamlType(xamlNamespace, name, typeArguments);
}
internal Type ResolvePrefixedNameWithAdditionalWpfSemantics(string prefixedName, DependencyObject element)
{
// First, get the xmlns dictionary off of the provided Tree Element.
object dictObject = element.GetValue(System.Windows.Markup.XmlAttributeProperties.XmlnsDictionaryProperty);
var prefixDictionary = dictObject as System.Windows.Markup.XmlnsDictionary;
object mapsObject = element.GetValue(System.Windows.Markup.XmlAttributeProperties.XmlNamespaceMapsProperty);
var namespaceMaps = mapsObject as Hashtable;
// If there was no xmlns map on the given Tree Element.
// Then, as a last resort, if the prefix was "" use the Wpf Element URI.
if (prefixDictionary == null)
{
if (_wpfDefaultNamespace == null)
{
var wpfDefaultNamespace = new System.Windows.Markup.XmlnsDictionary();
wpfDefaultNamespace.Add(String.Empty, Baml2006SchemaContext.WpfNamespace);
_wpfDefaultNamespace = wpfDefaultNamespace;
}
prefixDictionary = _wpfDefaultNamespace;
}
else
{
if (namespaceMaps != null && namespaceMaps.Count > 0)
{
// This DO was loaded with a custom XamlTypeMapper. Try the custom mappings first.
Type result = System.Windows.Markup.XamlTypeMapper.GetTypeFromName(prefixedName, element);
if (result != null)
{
return result;
}
}
}
XamlTypeName xamlTypeName;
if (XamlTypeName.TryParse(prefixedName, prefixDictionary, out xamlTypeName))
{
XamlType xamlType = GetXamlType(xamlTypeName);
if (xamlType != null)
{
return xamlType.UnderlyingType;
}
}
return null;
}
internal XamlMember StaticExtensionMemberTypeProperty { get { return _xStaticMemberProperty.Value; } }
internal XamlMember TypeExtensionTypeProperty { get { return _xTypeTypeProperty.Value; } }
internal XamlMember ResourceDictionaryDeferredContentProperty { get { return _resourceDictionaryDefContentProperty.Value; } }
internal XamlType ResourceDictionaryType { get { return _resourceDictionaryType.Value; } }
internal XamlType EventSetterType { get { return _eventSetterType.Value; } }
internal XamlMember EventSetterEventProperty { get { return _eventSetterEventProperty.Value; } }
internal XamlMember EventSetterHandlerProperty { get { return _eventSetterHandlerProperty.Value; } }
internal XamlMember FrameworkTemplateTemplateProperty { get { return _frameworkTemplateTemplateProperty.Value; } }
internal XamlType StaticResourceExtensionType { get { return _staticResourceExtensionType.Value; } }
internal Baml2006ReaderSettings Settings { get; set; }
internal List<ThemeKnownTypeHelper> ThemeKnownTypeHelpers
{
get
{
if (_themeHelpers == null)
{
_themeHelpers = new List<ThemeKnownTypeHelper>();
}
return _themeHelpers;
}
}
private static readonly Lazy<XamlMember> _xStaticMemberProperty
= new Lazy<XamlMember>(() => XamlLanguage.Static.GetMember("MemberType"));
private static readonly Lazy<XamlMember> _xTypeTypeProperty
= new Lazy<XamlMember>(() => XamlLanguage.Static.GetMember("Type"));
private static readonly Lazy<XamlMember> _resourceDictionaryDefContentProperty
= new Lazy<XamlMember>(() => _resourceDictionaryType.Value.GetMember("DeferrableContent"));
private static readonly Lazy<XamlType> _resourceDictionaryType
= new Lazy<XamlType>(() => System.Windows.Markup.XamlReader.BamlSharedSchemaContext.GetXamlType(typeof(ResourceDictionary)));
private static readonly Lazy<XamlType> _eventSetterType
= new Lazy<XamlType>(() => System.Windows.Markup.XamlReader.BamlSharedSchemaContext.GetXamlType(typeof(EventSetter)));
private static readonly Lazy<XamlMember> _eventSetterEventProperty
= new Lazy<XamlMember>(() => _eventSetterType.Value.GetMember("Event"));
private static readonly Lazy<XamlMember> _eventSetterHandlerProperty
= new Lazy<XamlMember>(() => _eventSetterType.Value.GetMember("Handler"));
private static readonly Lazy<XamlMember> _frameworkTemplateTemplateProperty
= new Lazy<XamlMember>(() => System.Windows.Markup.XamlReader.BamlSharedSchemaContext.GetXamlType(typeof(FrameworkTemplate)).GetMember("Template"));
private static readonly Lazy<XamlType> _staticResourceExtensionType
= new Lazy<XamlType>(() => System.Windows.Markup.XamlReader.BamlSharedSchemaContext.GetXamlType(typeof(StaticResourceExtension)));
}
}
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