// Token: 0x06007C49 RID: 31817 RVA: 0x0022F5F8 File Offset: 0x0022D7F8
internal static void GetMaxMinLocatorPartValues(ContentLocatorPart locatorPart, out int startOffset, out int endOffset)
{
if (locatorPart == null)
{
throw new ArgumentNullException("locatorPart");
}
string text = locatorPart.NameValuePairs["Count"];
if (text == null)
{
throw new ArgumentException(SR.Get("InvalidLocatorPart", new object[]
{
"Count"
}));
}
int num = int.Parse(text, NumberFormatInfo.InvariantInfo);
startOffset = int.MaxValue;
endOffset = 0;
for (int i = 0; i < num; i++)
{
int num2;
int num3;
TextSelectionProcessor.GetLocatorPartSegmentValues(locatorPart, i, out num2, out num3);
if (num2 < startOffset)
{
startOffset = num2;
}
if (num3 > endOffset)
{
endOffset = num3;
}
}
}
// Token: 0x06007C46 RID: 31814 RVA: 0x0022F3A8 File Offset: 0x0022D5A8
public override object ResolveLocatorPart(ContentLocatorPart locatorPart, DependencyObject startNode, out AttachmentLevel attachmentLevel)
{
if (startNode == null)
{
throw new ArgumentNullException("startNode");
}
if (locatorPart == null)
{
throw new ArgumentNullException("locatorPart");
}
if (TextSelectionProcessor.CharacterRangeElementName != locatorPart.PartType)
{
throw new ArgumentException(SR.Get("IncorrectLocatorPartType", new object[]
{
locatorPart.PartType.Namespace + ":" + locatorPart.PartType.Name
}), "locatorPart");
}
int num = 0;
int num2 = 0;
string text = locatorPart.NameValuePairs["Count"];
if (text == null)
{
throw new ArgumentException(SR.Get("InvalidLocatorPart", new object[]
{
"Count"
}));
}
int num3 = int.Parse(text, NumberFormatInfo.InvariantInfo);
TextAnchor textAnchor = new TextAnchor();
attachmentLevel = AttachmentLevel.Unresolved;
for (int i = 0; i < num3; i++)
{
TextSelectionProcessor.GetLocatorPartSegmentValues(locatorPart, i, out num, out num2);
ITextPointer textPointer;
ITextPointer textPointer2;
if (!this.GetNodesStartAndEnd(startNode, out textPointer, out textPointer2))
{
return(null);
}
int offsetToPosition = textPointer.GetOffsetToPosition(textPointer2);
if (num > offsetToPosition)
{
return(null);
}
ITextPointer textPointer3 = textPointer.CreatePointer(num);
ITextPointer textPointer4 = (offsetToPosition <= num2) ? textPointer2.CreatePointer() : textPointer.CreatePointer(num2);
if (textPointer3.CompareTo(textPointer4) >= 0)
{
return(null);
}
textAnchor.AddTextSegment(textPointer3, textPointer4);
}
if (textAnchor.IsEmpty)
{
throw new ArgumentException(SR.Get("IncorrectAnchorLength"), "locatorPart");
}
attachmentLevel = AttachmentLevel.Full;
if (this._clamping)
{
ITextPointer start = textAnchor.Start;
ITextPointer end = textAnchor.End;
IServiceProvider serviceProvider;
if (this._targetPage != null)
{
serviceProvider = this._targetPage;
}
else
{
FlowDocument node = start.TextContainer.Parent as FlowDocument;
serviceProvider = (PathNode.GetParent(node) as IServiceProvider);
}
Invariant.Assert(serviceProvider != null, "No ServiceProvider found to get TextView from.");
ITextView textView = serviceProvider.GetService(typeof(ITextView)) as ITextView;
Invariant.Assert(textView != null, "Null TextView provided by ServiceProvider.");
textAnchor = TextAnchor.TrimToIntersectionWith(textAnchor, textView.TextSegments);
if (textAnchor == null)
{
attachmentLevel = AttachmentLevel.Unresolved;
}
else
{
if (textAnchor.Start.CompareTo(start) != 0)
{
attachmentLevel &= ~AttachmentLevel.StartPortion;
}
if (textAnchor.End.CompareTo(end) != 0)
{
attachmentLevel &= ~AttachmentLevel.EndPortion;
}
}
}
return(textAnchor);
}
