// Token: 0x06006C4C RID: 27724 RVA: 0x001F33D4 File Offset: 0x001F15D4
private IndexingContentUnit HandleElementEnd()
{
ContentDescriptor contentDescriptor = this.Pop();
this._xamlReader.Read();
return(null);
}
// Token: 0x06006C59 RID: 27737 RVA: 0x001F3788 File Offset: 0x001F1988
private void Push(ContentDescriptor contentDescriptor)
{
if (!contentDescriptor.IsInline)
{
this._expectingBlockStart = true;
}
this._contextStack.Push(contentDescriptor);
}
// Token: 0x06006C5A RID: 27738 RVA: 0x001F37A8 File Offset: 0x001F19A8
private ContentDescriptor Pop()
{
ContentDescriptor contentDescriptor = (ContentDescriptor)this._contextStack.Pop();
if (!contentDescriptor.IsInline)
{
this._expectingBlockStart = true;
}
return(contentDescriptor);
}
///<summary>
/// On end of element, restore context data (pop, etc.) and look further.
///</summary>
///<remarks>
/// Ancillary function of NextContentUnit.
///</remarks>
private IndexingContentUnit HandleElementEnd()
{
// Pop current descriptor.
ContentDescriptor item = Pop();
// Consume end-tag.
_xamlReader.Read();
return(null);
}
private ContentDescriptor Pop()
{
ContentDescriptor topOfStack = (ContentDescriptor)_contextStack.Pop();
// If we reach an end of block, we expect the next item to
// start with a block separator.
if (!topOfStack.IsInline)
{
_expectingBlockStart = true;
}
return(topOfStack);
}
// Token: 0x06006C4A RID: 27722 RVA: 0x001F3118 File Offset: 0x001F1318
private IndexingContentUnit HandleTextData()
{
ContentDescriptor contentDescriptor = this.TopOfStack();
if (contentDescriptor != null)
{
IndexingContentUnit result = this.BuildIndexingContentUnit(this._xamlReader.Value, this.GetCurrentLcid());
this._xamlReader.Read();
return(result);
}
this._xamlReader.Read();
return(null);
}
internal string DumpElementTable()
{
ICollection keys = _xamlElementContentDescriptorDictionary.Keys;
ICollection values = _xamlElementContentDescriptorDictionary.Values;
int length = keys.Count;
ElementTableKey[] keyList = new ElementTableKey[length];
ContentDescriptor[] valueList = new ContentDescriptor[length];
keys.CopyTo(keyList, 0);
values.CopyTo(valueList, 0);
string result = "";
for (int i = 0; i < length; ++i)
{
result += string.Format("{0}: [{1} -> {2}]\n", i, keyList[i], valueList[i]);
}
return(result);
}
///<summary>
/// If current token is a text element,
/// assume it can be part of its parent's content and return a chunk.
///</summary>
///<remarks>
/// Ancillary function of NextContentUnit.
///</remarks>
private IndexingContentUnit HandleTextData()
{
ContentDescriptor topOfStack = TopOfStack();
if (topOfStack != null)
{
// The descendants of elements with HasIndexableContent set to false get skipped.
Debug.Assert(topOfStack.HasIndexableContent);
// Return a chunk with appropriate block-break information.
IndexingContentUnit result = BuildIndexingContentUnit(_xamlReader.Value, GetCurrentLcid());
_xamlReader.Read(); // Move past data just processed.
return(result);
}
else
{
// Bad Xaml (no top-level element). The Xaml filter should at some point raise an exception.
// Just to be safe, ignore all content when in this state.
_xamlReader.Read(); // Skip data.
return(null);
}
}
// Token: 0x06006C4B RID: 27723 RVA: 0x001F3164 File Offset: 0x001F1364
private IndexingContentUnit HandleElementStart()
{
ElementTableKey elementTableKey = new ElementTableKey(this._xamlReader.NamespaceURI, this._xamlReader.LocalName);
string a;
if (this.IsPrefixedPropertyName(elementTableKey.BaseName, out a))
{
ContentDescriptor contentDescriptor = this.TopOfStack();
if (contentDescriptor == null)
{
this.SkipCurrentElement();
return(null);
}
bool flag = elementTableKey.XmlNamespace.Equals(ElementTableKey.XamlNamespace, StringComparison.Ordinal) && (a == contentDescriptor.ContentProp || a == contentDescriptor.TitleProp);
if (!flag)
{
this.SkipCurrentElement();
return(null);
}
this.Push(new ContentDescriptor(flag, this.TopOfStack().IsInline, string.Empty, null));
this._xamlReader.Read();
return(null);
}
else
{
bool flag2;
IndexingContentUnit indexingContentUnit = this.HandleFixedFormatTag(elementTableKey, out flag2);
if (flag2)
{
return(indexingContentUnit);
}
Invariant.Assert(indexingContentUnit == null);
ContentDescriptor contentDescriptor2 = (ContentDescriptor)this._xamlElementContentDescriptorDictionary[elementTableKey];
if (contentDescriptor2 == null)
{
if (elementTableKey.XmlNamespace.Equals(ElementTableKey.XamlNamespace, StringComparison.Ordinal))
{
contentDescriptor2 = this._defaultContentDescriptor;
}
else if (elementTableKey.XmlNamespace.Equals("http://schemas.microsoft.com/winfx/2006/xaml", StringComparison.Ordinal))
{
contentDescriptor2 = this._nonIndexableElementDescriptor;
}
else
{
contentDescriptor2 = this.GetContentInformationAboutCustomElement(elementTableKey);
}
this._xamlElementContentDescriptorDictionary.Add(elementTableKey, contentDescriptor2);
}
if (!contentDescriptor2.HasIndexableContent)
{
this.SkipCurrentElement();
return(null);
}
if (contentDescriptor2.TitleProp != null && (this._attributesToIgnore & XamlFilter.AttributesToIgnore.Title) == XamlFilter.AttributesToIgnore.None)
{
string propertyAsAttribute = this.GetPropertyAsAttribute(contentDescriptor2.TitleProp);
if (propertyAsAttribute != null && propertyAsAttribute.Length > 0)
{
this._attributesToIgnore |= XamlFilter.AttributesToIgnore.Title;
this._expectingBlockStart = true;
IndexingContentUnit result = this.BuildIndexingContentUnit(propertyAsAttribute, this.GetCurrentLcid());
this._expectingBlockStart = true;
return(result);
}
}
if (contentDescriptor2.ContentProp != null && (this._attributesToIgnore & XamlFilter.AttributesToIgnore.Content) == XamlFilter.AttributesToIgnore.None)
{
string propertyAsAttribute2 = this.GetPropertyAsAttribute(contentDescriptor2.ContentProp);
if (propertyAsAttribute2 != null && propertyAsAttribute2.Length > 0)
{
this._attributesToIgnore |= XamlFilter.AttributesToIgnore.Content;
if (!contentDescriptor2.IsInline)
{
this._expectingBlockStart = true;
}
IndexingContentUnit result2 = this.BuildIndexingContentUnit(propertyAsAttribute2, this.GetCurrentLcid());
this._expectingBlockStart = !contentDescriptor2.IsInline;
return(result2);
}
}
this._attributesToIgnore = XamlFilter.AttributesToIgnore.None;
if (this._xamlReader.IsEmptyElement)
{
if (!contentDescriptor2.IsInline)
{
this._expectingBlockStart = true;
}
this._xamlReader.Read();
return(null);
}
this.Push(contentDescriptor2);
this._xamlReader.Read();
return(null);
}
}
private void Push(ContentDescriptor contentDescriptor)
{
if (!contentDescriptor.IsInline)
{
_expectingBlockStart = true;
}
_contextStack.Push(contentDescriptor);
}
internal string DumpElementTable()
{
ICollection keys = _xamlElementContentDescriptorDictionary.Keys;
ICollection values = _xamlElementContentDescriptorDictionary.Values;
int length = keys.Count;
ElementTableKey[] keyList = new ElementTableKey[length];
ContentDescriptor[] valueList = new ContentDescriptor[length];
keys.CopyTo(keyList, 0);
values.CopyTo(valueList,0);
string result = "";
for (int i = 0; i < length; ++i)
{
result += string.Format("{0}: [{1} -> {2}]\n", i, keyList[i], valueList[i]);
}
return result;
}
///<summary>
/// If current token is an element start, then,
/// if appropriate, extract chunk text from an attribute
/// else, record content information and recurse.
///</summary>
///<remarks>
/// Ancillary function of NextContentUnit.
///</remarks>
private IndexingContentUnit HandleElementStart()
{
ElementTableKey elementFullName = new ElementTableKey(_xamlReader.NamespaceURI, _xamlReader.LocalName);
string propertyName;
// Handle the case of a complex property (e.g. Button.Content).
if (IsPrefixedPropertyName(elementFullName.BaseName, out propertyName))
{
ContentDescriptor topOfStack = TopOfStack();
// Handle the semantically incorrect case of a compound property occurring at the root
// by ignoring it totally.
if (topOfStack == null)
{
SkipCurrentElement();
return(null);
}
// Index the text children of property elements only if they are content or title properties.
bool elementIsIndexable =
(elementFullName.XmlNamespace.Equals(ElementTableKey.XamlNamespace, StringComparison.Ordinal) &&
(propertyName == topOfStack.ContentProp ||
propertyName == topOfStack.TitleProp));
if (!elementIsIndexable)
{
// Skip element together with all its descendants.
SkipCurrentElement();
return(null);
}
// Push descriptor, advance reader, and have caller look further.
Push(
new ContentDescriptor(
elementIsIndexable,
TopOfStack().IsInline,
String.Empty, // has potential text content, but no content property
null)); // no title property
_xamlReader.Read();
return(null);
}
// Handle fixed-format markup in a special way (because assumptions for building
// content descriptors don't work for these and they require actions beyond what
// is stated in content descriptors).
// Note: The elementFullyHandled boolean is required as the nextUnit returned can
// be null in both cases - when element is fully handled and when its not.
bool elementFullyHandled;
IndexingContentUnit nextUnit = HandleFixedFormatTag(elementFullName, out elementFullyHandled);
if (elementFullyHandled)
{
return(nextUnit);
}
else
{
// When HandleFixedFormatTag declines to handle a tag because it is not fixed-format, it
// will return null.
Invariant.Assert(nextUnit == null);
}
// Obtain a content descriptor for the current element.
ContentDescriptor elementDescriptor =
(ContentDescriptor)_xamlElementContentDescriptorDictionary[elementFullName];
if (elementDescriptor == null)
{
if (elementFullName.XmlNamespace.Equals(ElementTableKey.XamlNamespace, StringComparison.Ordinal))
{
elementDescriptor = _defaultContentDescriptor;
}
else if (elementFullName.XmlNamespace.Equals(_inDocumentCodeURI, StringComparison.Ordinal))
{
elementDescriptor = _nonIndexableElementDescriptor;
}
else
{
elementDescriptor = GetContentInformationAboutCustomElement(elementFullName);
}
_xamlElementContentDescriptorDictionary.Add(elementFullName, elementDescriptor);
}
// If the element has no indexable content, skip all its descendants.
if (!elementDescriptor.HasIndexableContent)
{
SkipCurrentElement();
return(null);
}
// If appropriate, retrieve title from an attribute.
string title = null;
if (elementDescriptor.TitleProp != null &&
(_attributesToIgnore & AttributesToIgnore.Title) == 0)
{
title = GetPropertyAsAttribute(elementDescriptor.TitleProp);
if (title != null && title.Length > 0)
{
// Leave the reader in its present state, but return the title as a block chunk,
// and mark this attribute as processed.
_attributesToIgnore |= AttributesToIgnore.Title;
_expectingBlockStart = true;
IndexingContentUnit titleContent = BuildIndexingContentUnit(title, GetCurrentLcid());
_expectingBlockStart = true; // Simulate a stack pop for a block element.
return(titleContent);
}
}
// If appropriate, retrieve content from an attribute.
string content = null;
if (elementDescriptor.ContentProp != null &&
(_attributesToIgnore & AttributesToIgnore.Content) == 0)
{
content = GetPropertyAsAttribute(elementDescriptor.ContentProp);
if (content != null && content.Length > 0)
{
// Leave the reader in its present state, but mark the content attribute
// as processed.
_attributesToIgnore |= AttributesToIgnore.Content;
// Create a new chunk with appropriate break data.
if (!elementDescriptor.IsInline)
{
_expectingBlockStart = true;
}
IndexingContentUnit result = BuildIndexingContentUnit(content, GetCurrentLcid());
// Emulate a stack pop for the content attribute (which never gets pushed on the stack).
_expectingBlockStart = !elementDescriptor.IsInline;
return(result);
}
}
// Reset the attribute flag, since we are going to change the reader's state.
_attributesToIgnore = AttributesToIgnore.None;
// Handle the special case of an empty element: no descendants, but a possible paragraph break.
if (_xamlReader.IsEmptyElement)
{
if (!elementDescriptor.IsInline)
{
_expectingBlockStart = true;
}
// Have caller search for content past the tag.
_xamlReader.Read();
return(null);
}
// Have caller look for content in descendants.
Push(elementDescriptor);
_xamlReader.Read(); // skip start-tag
return(null);
}
