Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / System / Windows / Markup / OptimizedTemplateContentHelper.cs / 1 / OptimizedTemplateContentHelper.cs
/****************************************************************************\
*
* File: OptimizedTemplateContentHelper.cs
*
* Purpose: Main class to handle reading a Template Baml records from a stream
*
* This is a BamlRecordReader that processes the baml records for shared
* template values. When it reaches the end of a shared value, the
* OptimizedTemplateContent class adds the value to its shared values table.
* If we discover here a record that's not shareable, then the OptimizedTemplateContent
* class unwinds what we've done.
*
* Copyright (C) 2005 by Microsoft Corporation. All rights reserved.
*
\***************************************************************************/
using System;
using System.Xml;
using System.IO;
using System.Windows;
using System.Windows.Media;
using System.Windows.Navigation;
using System.Text;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Media.Animation;
using System.Diagnostics;
using System.Reflection;
using System.Windows.Threading;
using System.Windows.Data;
using System.Globalization;
using MS.Utility;
namespace System.Windows.Markup
{
internal class OptimizedTemplateContentHelper : BamlRecordReader
{
#region Internals
/***************************************************************************\
*
* OptimizedTemplateContentHelper
*
* Create a new reader.
*
\***************************************************************************/
internal OptimizedTemplateContentHelper(ParserContext context)
{
SetPreviousBamlRecordReader(context.BamlReader);
BamlStream = context.BamlReader.BamlStream;
ParserContext = context;
Reset();
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.Reset
*
* Return reader to starting state, ready to load a sequence of baml records.
*
\***************************************************************************/
internal void Reset()
{
_subtreeState = BamlSubtreeState.ContinueShareableSubtree;
if (RootList == null)
{
RootList = new ArrayList(1);
}
else
{
RootList.Clear();
}
ContextStack.Clear();
// Restore the ParserContext back to the primary record reader.
ParserContext.BamlReader = PreviousBamlRecordReader;
}
internal void ReadCustomProperty(BamlPropertyCustomRecord bamlPropertyCustomRecord)
{
if (bamlPropertyCustomRecord.SerializerTypeId == (short)KnownElements.DependencyPropertyConverter)
{
GetCustomDependencyPropertyValue(bamlPropertyCustomRecord);
}
else
{
string propName = null;
Type propType = null;
short attributeId = bamlPropertyCustomRecord.AttributeId;
DependencyProperty dp = MapTable.GetDependencyProperty(attributeId);
if (dp == null)
{
propType = MapTable.GetCLRPropertyTypeAndNameFromId(attributeId, out propName);
}
else
{
propType = dp.PropertyType;
propName = dp.Name;
}
// Read the custom property value into the record.
GetCustomValue(bamlPropertyCustomRecord, propType, propName);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadSubtreeRecord
*
* Read the current record and return an indication of whether we should
* continue building a shared tree, or whether some condition was encountered
* that makes this tree unshareable.
*
\***************************************************************************/
internal BamlSubtreeState ReadSubtreeRecord(BamlRecord record)
{
// Point the ParserContext to this record reader (this gets reset by the Reset
// method).
ParserContext.BamlReader = this;
// If we're not currently in a nested serializer, and this is an element start,
// see if we need to go into one.
if( _nestedSerializerStartRecord == null
&&
record.RecordType == BamlRecordType.ElementStart)
{
// See if this has a custom serializer.
BamlElementStartRecord bamlElementStartRecord = record as BamlElementStartRecord;
if( MapTable.HasSerializerForTypeId(bamlElementStartRecord.TypeId) )
{
// This element has its own custom serializer. Keep track of where it starts,
// so that when it ends, we can just pass the whole thing off.
_nestedSerializerStartRecord = record;
Debug.Assert( _subtreeState == BamlSubtreeState.ContinueShareableSubtree );
Debug.Assert( _nestedRecordDepth == 0 );
}
}
// Are we in a custom serializer?
if( _nestedSerializerStartRecord != null )
{
Debug.Assert( _subtreeState == BamlSubtreeState.ContinueShareableSubtree );
// Yes, we're in a custom serializer. Update the record depth
if( record.RecordType == BamlRecordType.ElementStart )
{
int positiveTypeId = -((BamlElementStartRecord)record).TypeId;
if (positiveTypeId == (int)KnownElements.StaticResourceExtension)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else
{
++_nestedRecordDepth;
}
}
else if( record.RecordType == BamlRecordType.ElementEnd )
{
--_nestedRecordDepth;
}
else if( record.RecordType == BamlRecordType.StaticResourceId ||
record.RecordType == BamlRecordType.PropertyWithStaticResourceId )
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else if( record.RecordType == BamlRecordType.PropertyWithExtension )
{
int positiveTypeId = ((BamlPropertyWithExtensionRecord)record).ExtensionTypeId;
if (positiveTypeId == (int)KnownElements.StaticResourceExtension)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
}
else if (record.RecordType == BamlRecordType.PropertyCustom)
{
// if this is a custom proeprty, the raw custom value must be read into
// the record to "finish" fully reading teh custom record.
BamlPropertyCustomRecord bamlPropertyCustomRecord = record as BamlPropertyCustomRecord;
ReadCustomProperty(bamlPropertyCustomRecord);
}
// When we have a StaticResource within an element with a custom serializer,
// the element is non-shareable. For example a nested Template with
// StaticResources in it.
if( _subtreeState == BamlSubtreeState.NotShareable )
{
// Reset.
_nestedSerializerStartRecord = null;
_nestedRecordDepth = 0;
}
else
{
// Did we reach the end record for the custom-serialized element?
if( _nestedRecordDepth == 0 )
{
Debug.Assert( record.RecordType == BamlRecordType.ElementEnd );
// Yes, we're at the end, let it run now.
PreParsedRecordsStart = _nestedSerializerStartRecord;
PreParsedCurrentRecord = _nestedSerializerStartRecord.Next;
// If the first record has a debug extension following it
// process the debugging information before the record.
if (BamlRecordHelper.HasDebugExtensionRecord(ParserContext.IsDebugBamlStream, PreParsedRecordsStart))
{
ProcessDebugBamlRecord(PreParsedCurrentRecord);
PreParsedCurrentRecord = PreParsedCurrentRecord.Next;
}
base.ReadRecord( _nestedSerializerStartRecord );
// Reset.
_nestedSerializerStartRecord = null;
}
}
}
// Or if we're not in a custom serializer, just call base
else
{
// If the record has a debug extension following it
// process the debugging information before the record.
if (BamlRecordHelper.HasDebugExtensionRecord(ParserContext.IsDebugBamlStream, record))
{
ProcessDebugBamlRecord(record.Next);
}
base.ReadRecord(record);
}
// Return the (possibly just updated) state, indicating if we're still
// shareable, etc.
return _subtreeState;
}
#endregion Internals
#region Overrides
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadElementStartRecord
*
* Read the start of an element. This involves creating a new object, and
* storing it for later addition to the tree or setting as a property. If
* the element is a Visual or ContentElement, then the constructed tree
* cannot be shared.
*
\***************************************************************************/
protected override bool ReadElementStartRecord(
BamlElementStartRecord bamlElementRecord)
{
Type elementType = MapTable.GetTypeFromId(bamlElementRecord.TypeId);
if( !OptimizedTemplateContent.IsShareableType(elementType) )
{
_subtreeState = BamlSubtreeState.NotShareable;
return false;
}
else
{
return base.ReadElementStartRecord(bamlElementRecord);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadStaticResourceIdRecord
*
* StaticResourceExtensions within template content are nt shareable because
* they will need to be re-evaluated within the scope of the template
* generated tree (cause we could have a ResourceDictionary on some element
* in there).
*
\***************************************************************************/
protected override void ReadStaticResourceIdRecord(
BamlStaticResourceIdRecord bamlStaticResourceIdRecord)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyWithStaticResourceIdRecord
*
* StaticResourceExtensions within template content are not shareable because
* they will need to be re-evaluated within the scope of the template
* generated tree (cause we could have a ResourceDictionary on some element
* in there).
*
\***************************************************************************/
protected override void ReadPropertyWithStaticResourceIdRecord(
BamlPropertyWithStaticResourceIdRecord bamlPropertyWithStaticResourceIdRecord)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyWithExtensionRecord
*
* StaticResourceExtensions within template content are not shareable because
* they will need to be re-evaluated within the scope of the template
* generated tree (cause we could have a ResourceDictionary on some element
* in there).
*
\***************************************************************************/
protected override void ReadPropertyWithExtensionRecord(
BamlPropertyWithExtensionRecord bamlPropertyWithExtensionRecord)
{
if (bamlPropertyWithExtensionRecord.ExtensionTypeId == (short)KnownElements.StaticResourceExtension)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else
{
base.ReadPropertyWithExtensionRecord(bamlPropertyWithExtensionRecord);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadConnectionId
*
* Events cannot be in a shareable section, and this is indicated by
* having a connection ID in the baml record sequence.
*
\***************************************************************************/
protected override void ReadConnectionId(
BamlConnectionIdRecord bamlConnectionIdRecord)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyRecord
*
* Read a string property. If this is for x:Name, then the subtree is
* not shareable
*
\***************************************************************************/
protected override void ReadPropertyRecord(
BamlPropertyRecord bamlPropertyRecord)
{
if (MapTable.DoesAttributeMatch(bamlPropertyRecord.AttributeId, BamlAttributeUsage.RuntimeName))
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else
{
base.ReadPropertyRecord(bamlPropertyRecord);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadTextRecord
*
* Only allow whitespace text content, which is generally ignored by
* elements.
*
\***************************************************************************/
protected override void ReadTextRecord(BamlTextRecord bamlTextRecord)
{
if( (CurrentContext.ContextFlags & ReaderFlags.PropertyComplexClr) != 0 )
{
base.ReadTextRecord( bamlTextRecord );
}
else
{
int i;
string s = bamlTextRecord.Value;
for (i = 0; i < s.Length; i++)
{
if (!Char.IsWhiteSpace(s[i]))
{
_subtreeState = BamlSubtreeState.NotShareable;
break;
}
}
if( i == s.Length )
{
base.ReadTextRecord( bamlTextRecord );
}
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadDefAttributeRecord
*
* A Def tag has been found. If this is for x:Name, then the subtree is
* not shareable
*
\***************************************************************************/
protected override void ReadDefAttributeRecord(
BamlDefAttributeRecord bamlDefAttributeRecord)
{
if (bamlDefAttributeRecord.NameId == BamlMapTable.NameStringId)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else
{
base.ReadDefAttributeRecord(bamlDefAttributeRecord);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyComplexEndRecord
*
* If we hit the end of a complex property, and there is nothing on the
* context stack, then we've popped out of the subtree we were building,
* so signal this by setting the appropriate state.
*
\***************************************************************************/
protected override void ReadPropertyComplexEndRecord()
{
if (CurrentContext == null)
{
_subtreeState = BamlSubtreeState.EndShareableSubtree;
}
else
{
base.ReadPropertyComplexEndRecord();
}
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyIListEndRecord
*
* If we hit the end of a complex property, and there is nothing on the
* context stack, then we've popped out of the subtree we were building,
* so signal this by setting the appropriate state.
*
\***************************************************************************/
protected override void ReadPropertyIListEndRecord()
{
if (CurrentContext == null)
{
_subtreeState = BamlSubtreeState.EndShareableSubtree;
}
else
{
base.ReadPropertyIListEndRecord();
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyIDictionarEndRecord
*
* If we hit the end of a complex property, and there is nothing on the
* context stack, then we've popped out of the subtree we were building,
* so signal this by setting the appropriate state.
*
\***************************************************************************/
protected override void ReadPropertyIDictionaryEndRecord()
{
if (CurrentContext == null)
{
_subtreeState = BamlSubtreeState.EndShareableSubtree;
}
else
{
base.ReadPropertyIDictionaryEndRecord();
}
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyArrayEndRecord
*
* If we hit the end of a complex property, and there is nothing on the
* context stack, then we've popped out of the subtree we were building,
* so signal this by setting the appropriate state.
*
\***************************************************************************/
protected override void ReadPropertyArrayEndRecord()
{
if (CurrentContext == null)
{
_subtreeState = BamlSubtreeState.EndShareableSubtree;
}
else
{
base.ReadPropertyArrayEndRecord();
}
}
// Since TemplateBinding can only be used in Templates this is overridden and
// specifically handled here.
internal override object GetExtensionValue(
IOptimizedMarkupExtension optimizedMarkupExtensionRecord,
string propertyName)
{
object valueObject = null;
short extensionTypeId = optimizedMarkupExtensionRecord.ExtensionTypeId;
if (extensionTypeId == (short)KnownElements.TemplateBindingExtension)
{
short memberId = optimizedMarkupExtensionRecord.ValueId;
DependencyProperty dp = MapTable.GetDependencyPropertyValueFromId(memberId);
if (dp != null)
{
valueObject = new TemplateBindingExtension(dp);
}
else
{
ThrowException(SRID.ParserCannotConvertPropertyValue,
propertyName,
typeof(TemplateBindingExtension).FullName);
}
}
else
{
valueObject = base.GetExtensionValue(optimizedMarkupExtensionRecord, propertyName);
}
return valueObject;
}
#endregion Overrides
#region Data
private BamlSubtreeState _subtreeState;
private BamlRecord _nestedSerializerStartRecord;
private int _nestedRecordDepth;
#endregion Data
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
/****************************************************************************\
*
* File: OptimizedTemplateContentHelper.cs
*
* Purpose: Main class to handle reading a Template Baml records from a stream
*
* This is a BamlRecordReader that processes the baml records for shared
* template values. When it reaches the end of a shared value, the
* OptimizedTemplateContent class adds the value to its shared values table.
* If we discover here a record that's not shareable, then the OptimizedTemplateContent
* class unwinds what we've done.
*
* Copyright (C) 2005 by Microsoft Corporation. All rights reserved.
*
\***************************************************************************/
using System;
using System.Xml;
using System.IO;
using System.Windows;
using System.Windows.Media;
using System.Windows.Navigation;
using System.Text;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Media.Animation;
using System.Diagnostics;
using System.Reflection;
using System.Windows.Threading;
using System.Windows.Data;
using System.Globalization;
using MS.Utility;
namespace System.Windows.Markup
{
internal class OptimizedTemplateContentHelper : BamlRecordReader
{
#region Internals
/***************************************************************************\
*
* OptimizedTemplateContentHelper
*
* Create a new reader.
*
\***************************************************************************/
internal OptimizedTemplateContentHelper(ParserContext context)
{
SetPreviousBamlRecordReader(context.BamlReader);
BamlStream = context.BamlReader.BamlStream;
ParserContext = context;
Reset();
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.Reset
*
* Return reader to starting state, ready to load a sequence of baml records.
*
\***************************************************************************/
internal void Reset()
{
_subtreeState = BamlSubtreeState.ContinueShareableSubtree;
if (RootList == null)
{
RootList = new ArrayList(1);
}
else
{
RootList.Clear();
}
ContextStack.Clear();
// Restore the ParserContext back to the primary record reader.
ParserContext.BamlReader = PreviousBamlRecordReader;
}
internal void ReadCustomProperty(BamlPropertyCustomRecord bamlPropertyCustomRecord)
{
if (bamlPropertyCustomRecord.SerializerTypeId == (short)KnownElements.DependencyPropertyConverter)
{
GetCustomDependencyPropertyValue(bamlPropertyCustomRecord);
}
else
{
string propName = null;
Type propType = null;
short attributeId = bamlPropertyCustomRecord.AttributeId;
DependencyProperty dp = MapTable.GetDependencyProperty(attributeId);
if (dp == null)
{
propType = MapTable.GetCLRPropertyTypeAndNameFromId(attributeId, out propName);
}
else
{
propType = dp.PropertyType;
propName = dp.Name;
}
// Read the custom property value into the record.
GetCustomValue(bamlPropertyCustomRecord, propType, propName);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadSubtreeRecord
*
* Read the current record and return an indication of whether we should
* continue building a shared tree, or whether some condition was encountered
* that makes this tree unshareable.
*
\***************************************************************************/
internal BamlSubtreeState ReadSubtreeRecord(BamlRecord record)
{
// Point the ParserContext to this record reader (this gets reset by the Reset
// method).
ParserContext.BamlReader = this;
// If we're not currently in a nested serializer, and this is an element start,
// see if we need to go into one.
if( _nestedSerializerStartRecord == null
&&
record.RecordType == BamlRecordType.ElementStart)
{
// See if this has a custom serializer.
BamlElementStartRecord bamlElementStartRecord = record as BamlElementStartRecord;
if( MapTable.HasSerializerForTypeId(bamlElementStartRecord.TypeId) )
{
// This element has its own custom serializer. Keep track of where it starts,
// so that when it ends, we can just pass the whole thing off.
_nestedSerializerStartRecord = record;
Debug.Assert( _subtreeState == BamlSubtreeState.ContinueShareableSubtree );
Debug.Assert( _nestedRecordDepth == 0 );
}
}
// Are we in a custom serializer?
if( _nestedSerializerStartRecord != null )
{
Debug.Assert( _subtreeState == BamlSubtreeState.ContinueShareableSubtree );
// Yes, we're in a custom serializer. Update the record depth
if( record.RecordType == BamlRecordType.ElementStart )
{
int positiveTypeId = -((BamlElementStartRecord)record).TypeId;
if (positiveTypeId == (int)KnownElements.StaticResourceExtension)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else
{
++_nestedRecordDepth;
}
}
else if( record.RecordType == BamlRecordType.ElementEnd )
{
--_nestedRecordDepth;
}
else if( record.RecordType == BamlRecordType.StaticResourceId ||
record.RecordType == BamlRecordType.PropertyWithStaticResourceId )
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else if( record.RecordType == BamlRecordType.PropertyWithExtension )
{
int positiveTypeId = ((BamlPropertyWithExtensionRecord)record).ExtensionTypeId;
if (positiveTypeId == (int)KnownElements.StaticResourceExtension)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
}
else if (record.RecordType == BamlRecordType.PropertyCustom)
{
// if this is a custom proeprty, the raw custom value must be read into
// the record to "finish" fully reading teh custom record.
BamlPropertyCustomRecord bamlPropertyCustomRecord = record as BamlPropertyCustomRecord;
ReadCustomProperty(bamlPropertyCustomRecord);
}
// When we have a StaticResource within an element with a custom serializer,
// the element is non-shareable. For example a nested Template with
// StaticResources in it.
if( _subtreeState == BamlSubtreeState.NotShareable )
{
// Reset.
_nestedSerializerStartRecord = null;
_nestedRecordDepth = 0;
}
else
{
// Did we reach the end record for the custom-serialized element?
if( _nestedRecordDepth == 0 )
{
Debug.Assert( record.RecordType == BamlRecordType.ElementEnd );
// Yes, we're at the end, let it run now.
PreParsedRecordsStart = _nestedSerializerStartRecord;
PreParsedCurrentRecord = _nestedSerializerStartRecord.Next;
// If the first record has a debug extension following it
// process the debugging information before the record.
if (BamlRecordHelper.HasDebugExtensionRecord(ParserContext.IsDebugBamlStream, PreParsedRecordsStart))
{
ProcessDebugBamlRecord(PreParsedCurrentRecord);
PreParsedCurrentRecord = PreParsedCurrentRecord.Next;
}
base.ReadRecord( _nestedSerializerStartRecord );
// Reset.
_nestedSerializerStartRecord = null;
}
}
}
// Or if we're not in a custom serializer, just call base
else
{
// If the record has a debug extension following it
// process the debugging information before the record.
if (BamlRecordHelper.HasDebugExtensionRecord(ParserContext.IsDebugBamlStream, record))
{
ProcessDebugBamlRecord(record.Next);
}
base.ReadRecord(record);
}
// Return the (possibly just updated) state, indicating if we're still
// shareable, etc.
return _subtreeState;
}
#endregion Internals
#region Overrides
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadElementStartRecord
*
* Read the start of an element. This involves creating a new object, and
* storing it for later addition to the tree or setting as a property. If
* the element is a Visual or ContentElement, then the constructed tree
* cannot be shared.
*
\***************************************************************************/
protected override bool ReadElementStartRecord(
BamlElementStartRecord bamlElementRecord)
{
Type elementType = MapTable.GetTypeFromId(bamlElementRecord.TypeId);
if( !OptimizedTemplateContent.IsShareableType(elementType) )
{
_subtreeState = BamlSubtreeState.NotShareable;
return false;
}
else
{
return base.ReadElementStartRecord(bamlElementRecord);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadStaticResourceIdRecord
*
* StaticResourceExtensions within template content are nt shareable because
* they will need to be re-evaluated within the scope of the template
* generated tree (cause we could have a ResourceDictionary on some element
* in there).
*
\***************************************************************************/
protected override void ReadStaticResourceIdRecord(
BamlStaticResourceIdRecord bamlStaticResourceIdRecord)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyWithStaticResourceIdRecord
*
* StaticResourceExtensions within template content are not shareable because
* they will need to be re-evaluated within the scope of the template
* generated tree (cause we could have a ResourceDictionary on some element
* in there).
*
\***************************************************************************/
protected override void ReadPropertyWithStaticResourceIdRecord(
BamlPropertyWithStaticResourceIdRecord bamlPropertyWithStaticResourceIdRecord)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyWithExtensionRecord
*
* StaticResourceExtensions within template content are not shareable because
* they will need to be re-evaluated within the scope of the template
* generated tree (cause we could have a ResourceDictionary on some element
* in there).
*
\***************************************************************************/
protected override void ReadPropertyWithExtensionRecord(
BamlPropertyWithExtensionRecord bamlPropertyWithExtensionRecord)
{
if (bamlPropertyWithExtensionRecord.ExtensionTypeId == (short)KnownElements.StaticResourceExtension)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else
{
base.ReadPropertyWithExtensionRecord(bamlPropertyWithExtensionRecord);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadConnectionId
*
* Events cannot be in a shareable section, and this is indicated by
* having a connection ID in the baml record sequence.
*
\***************************************************************************/
protected override void ReadConnectionId(
BamlConnectionIdRecord bamlConnectionIdRecord)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyRecord
*
* Read a string property. If this is for x:Name, then the subtree is
* not shareable
*
\***************************************************************************/
protected override void ReadPropertyRecord(
BamlPropertyRecord bamlPropertyRecord)
{
if (MapTable.DoesAttributeMatch(bamlPropertyRecord.AttributeId, BamlAttributeUsage.RuntimeName))
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else
{
base.ReadPropertyRecord(bamlPropertyRecord);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadTextRecord
*
* Only allow whitespace text content, which is generally ignored by
* elements.
*
\***************************************************************************/
protected override void ReadTextRecord(BamlTextRecord bamlTextRecord)
{
if( (CurrentContext.ContextFlags & ReaderFlags.PropertyComplexClr) != 0 )
{
base.ReadTextRecord( bamlTextRecord );
}
else
{
int i;
string s = bamlTextRecord.Value;
for (i = 0; i < s.Length; i++)
{
if (!Char.IsWhiteSpace(s[i]))
{
_subtreeState = BamlSubtreeState.NotShareable;
break;
}
}
if( i == s.Length )
{
base.ReadTextRecord( bamlTextRecord );
}
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadDefAttributeRecord
*
* A Def tag has been found. If this is for x:Name, then the subtree is
* not shareable
*
\***************************************************************************/
protected override void ReadDefAttributeRecord(
BamlDefAttributeRecord bamlDefAttributeRecord)
{
if (bamlDefAttributeRecord.NameId == BamlMapTable.NameStringId)
{
_subtreeState = BamlSubtreeState.NotShareable;
}
else
{
base.ReadDefAttributeRecord(bamlDefAttributeRecord);
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyComplexEndRecord
*
* If we hit the end of a complex property, and there is nothing on the
* context stack, then we've popped out of the subtree we were building,
* so signal this by setting the appropriate state.
*
\***************************************************************************/
protected override void ReadPropertyComplexEndRecord()
{
if (CurrentContext == null)
{
_subtreeState = BamlSubtreeState.EndShareableSubtree;
}
else
{
base.ReadPropertyComplexEndRecord();
}
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyIListEndRecord
*
* If we hit the end of a complex property, and there is nothing on the
* context stack, then we've popped out of the subtree we were building,
* so signal this by setting the appropriate state.
*
\***************************************************************************/
protected override void ReadPropertyIListEndRecord()
{
if (CurrentContext == null)
{
_subtreeState = BamlSubtreeState.EndShareableSubtree;
}
else
{
base.ReadPropertyIListEndRecord();
}
}
/***************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyIDictionarEndRecord
*
* If we hit the end of a complex property, and there is nothing on the
* context stack, then we've popped out of the subtree we were building,
* so signal this by setting the appropriate state.
*
\***************************************************************************/
protected override void ReadPropertyIDictionaryEndRecord()
{
if (CurrentContext == null)
{
_subtreeState = BamlSubtreeState.EndShareableSubtree;
}
else
{
base.ReadPropertyIDictionaryEndRecord();
}
}
/****************************************************************************\
*
* OptimizedTemplateContentHelper.ReadPropertyArrayEndRecord
*
* If we hit the end of a complex property, and there is nothing on the
* context stack, then we've popped out of the subtree we were building,
* so signal this by setting the appropriate state.
*
\***************************************************************************/
protected override void ReadPropertyArrayEndRecord()
{
if (CurrentContext == null)
{
_subtreeState = BamlSubtreeState.EndShareableSubtree;
}
else
{
base.ReadPropertyArrayEndRecord();
}
}
// Since TemplateBinding can only be used in Templates this is overridden and
// specifically handled here.
internal override object GetExtensionValue(
IOptimizedMarkupExtension optimizedMarkupExtensionRecord,
string propertyName)
{
object valueObject = null;
short extensionTypeId = optimizedMarkupExtensionRecord.ExtensionTypeId;
if (extensionTypeId == (short)KnownElements.TemplateBindingExtension)
{
short memberId = optimizedMarkupExtensionRecord.ValueId;
DependencyProperty dp = MapTable.GetDependencyPropertyValueFromId(memberId);
if (dp != null)
{
valueObject = new TemplateBindingExtension(dp);
}
else
{
ThrowException(SRID.ParserCannotConvertPropertyValue,
propertyName,
typeof(TemplateBindingExtension).FullName);
}
}
else
{
valueObject = base.GetExtensionValue(optimizedMarkupExtensionRecord, propertyName);
}
return valueObject;
}
#endregion Overrides
#region Data
private BamlSubtreeState _subtreeState;
private BamlRecord _nestedSerializerStartRecord;
private int _nestedRecordDepth;
#endregion Data
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DetailsViewRowCollection.cs
- PersonalizableAttribute.cs
- UnsafeNetInfoNativeMethods.cs
- FrameAutomationPeer.cs
- HttpProfileBase.cs
- WebProxyScriptElement.cs
- Model3D.cs
- FillBehavior.cs
- RecordManager.cs
- SchemaImporterExtensionElement.cs
- PackageDigitalSignatureManager.cs
- LabelDesigner.cs
- SecUtil.cs
- MethodBuilder.cs
- ClientFormsAuthenticationCredentials.cs
- NotifyIcon.cs
- WindowClosedEventArgs.cs
- TypedElement.cs
- ScriptResourceHandler.cs
- ObjectStateEntryDbUpdatableDataRecord.cs
- Matrix3D.cs
- TextElementEnumerator.cs
- DataGridViewColumnTypeEditor.cs
- DeploymentSectionCache.cs
- EventProvider.cs
- MultidimensionalArrayItemReference.cs
- PartialCachingAttribute.cs
- UserInitiatedNavigationPermission.cs
- ObjectKeyFrameCollection.cs
- DefaultTextStore.cs
- RowsCopiedEventArgs.cs
- ArrangedElementCollection.cs
- Misc.cs
- EmptyEnumerable.cs
- MemberNameValidator.cs
- VectorKeyFrameCollection.cs
- MaskedTextBox.cs
- ClientConfigurationSystem.cs
- SqlCacheDependencySection.cs
- UICuesEvent.cs
- HtmlInputPassword.cs
- BitmapEffectDrawingContent.cs
- TreeNodeCollection.cs
- XmlDataProvider.cs
- UnsafeNativeMethods.cs
- FormParameter.cs
- PeerSecurityHelpers.cs
- ReflectionUtil.cs
- TypeForwardedToAttribute.cs
- Animatable.cs
- SimpleTextLine.cs
- ActivityExecutionFilter.cs
- ObjectSecurity.cs
- Assert.cs
- SqlDataRecord.cs
- SchemaMerger.cs
- EditableLabelControl.cs
- RegexWorker.cs
- TdsParserSafeHandles.cs
- XPathConvert.cs
- MDIClient.cs
- LayoutTableCell.cs
- RuleRefElement.cs
- CheckBoxAutomationPeer.cs
- ProfileServiceManager.cs
- ConfigsHelper.cs
- WebBrowserPermission.cs
- XmlAtomicValue.cs
- AttributeSetAction.cs
- DiffuseMaterial.cs
- DnsEndPoint.cs
- XmlSerializerVersionAttribute.cs
- TreeViewBindingsEditor.cs
- XmlNodeChangedEventManager.cs
- BinaryObjectReader.cs
- ScalarRestriction.cs
- ReadOnlyPermissionSet.cs
- EventListenerClientSide.cs
- TypeKeyValue.cs
- SchemaObjectWriter.cs
- FrameworkTextComposition.cs
- TextParagraphProperties.cs
- XmlAnyElementAttributes.cs
- TextElementCollection.cs
- MonthCalendar.cs
- Selection.cs
- EnumUnknown.cs
- ControlParser.cs
- DesignTimeData.cs
- SHA512CryptoServiceProvider.cs
- ImageMap.cs
- DefaultHttpHandler.cs
- XmlNodeChangedEventManager.cs
- Rectangle.cs
- X509SecurityTokenProvider.cs
- RoleGroup.cs
- TemplateBuilder.cs
- CompiledQueryCacheEntry.cs
- ParseNumbers.cs
- NumberFormatInfo.cs