本文整理汇总了C#中System.Windows.Documents.StaticTextPointer.CompareTo方法的典型用法代码示例。如果您正苦于以下问题：C# StaticTextPointer.CompareTo方法的具体用法？C# StaticTextPointer.CompareTo怎么用？C# StaticTextPointer.CompareTo使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Documents.StaticTextPointer的用法示例。
在下文中一共展示了StaticTextPointer.CompareTo方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetNextChangePosition
// Returns the position of the next highlight start or end in an
// indicated direction, or null if there is no such position.
internal override StaticTextPointer GetNextChangePosition(StaticTextPointer textPosition, LogicalDirection direction)
{
StaticTextPointer transitionPosition;
transitionPosition = StaticTextPointer.Null;
if (!IsTextRangeEmpty(_selection) && !_selection.IsInterimSelection)
{
int segmentCount;
List<TextSegment> textSegments = _selection.TextSegments;
TextSegment textSegment;
segmentCount = textSegments.Count;
if (direction == LogicalDirection.Forward)
{
for (int segmentIndex = 0; segmentIndex < segmentCount; segmentIndex++)
{
textSegment = textSegments[segmentIndex];
// Ignore empty segments.
//
if (textSegment.Start.CompareTo(textSegment.End) != 0)
{
if (textPosition.CompareTo(textSegment.Start) < 0)
{
transitionPosition = textSegment.Start.CreateStaticPointer();
break;
}
else if (textPosition.CompareTo(textSegment.End) < 0)
{
transitionPosition = textSegment.End.CreateStaticPointer();
break;
}
}
}
}
else
{
for (int segmentIndex = segmentCount - 1; segmentIndex >= 0; segmentIndex--)
{
textSegment = textSegments[segmentIndex];
if (textSegment.Start.CompareTo(textSegment.End) != 0)
{
if (textPosition.CompareTo(textSegment.End) > 0)
{
transitionPosition = textSegment.End.CreateStaticPointer();
break;
}
else if (textPosition.CompareTo(textSegment.Start) > 0)
{
transitionPosition = textSegment.Start.CreateStaticPointer();
break;
}
}
}
}
}
return transitionPosition;
}示例2: IsContentHighlighted
// Returns true iff the indicated content has scoping highlights.
internal override bool IsContentHighlighted(StaticTextPointer textPosition, LogicalDirection direction)
{
int segmentCount;
TextSegment textSegment;
// No highlight when the selection is for interim character.
if (_selection.IsInterimSelection)
{
return false;
}
// Check all segments of selection
List<TextSegment> textSegments = _selection.TextSegments;
segmentCount = textSegments.Count;
for (int segmentIndex = 0; segmentIndex < segmentCount; segmentIndex++)
{
textSegment = textSegments[segmentIndex];
if ((direction == LogicalDirection.Forward && textSegment.Start.CompareTo(textPosition) <= 0 && textPosition.CompareTo(textSegment.End) < 0) || //
(direction == LogicalDirection.Backward && textSegment.Start.CompareTo(textPosition) < 0 && textPosition.CompareTo(textSegment.End) <= 0))
{
return true;
}
}
return false;
}示例3: GetNextErrorTransition
// Returns the position of the next error start or end in an
// indicated direction, or null if there is no such position.
// Called by the SpellerHighlightLayer.
internal StaticTextPointer GetNextErrorTransition(StaticTextPointer textPosition, LogicalDirection direction)
{
StaticTextPointer transitionPosition;
int index;
int i;
transitionPosition = StaticTextPointer.Null;
index = FindIndex(textPosition, direction);
if (index == -1)
{
// textPosition is at the document edge.
// leave transitionPosition null.
}
else if (direction == LogicalDirection.Forward)
{
if (IsErrorRun(index))
{
transitionPosition = GetRunEndPosition(index);
}
else
{
for (i = index+1; i < _runList.Count; i++)
{
if (IsErrorRun(i))
{
transitionPosition = GetRun(i).Position.CreateStaticPointer();
break;
}
}
}
}
else // direction == LogicalDirection.Backward
{
if (IsErrorRun(index))
{
transitionPosition = GetRun(index).Position.CreateStaticPointer();
}
else
{
for (i = index - 1; i > 0; i--)
{
if (IsErrorRun(i))
{
transitionPosition = GetRunEndPosition(i);
break;
}
}
}
}
// If we ever had two consecuative errors (with touching borders)
// we could return a transitionPosition == textPosition, which is illegal.
// We rely on the fact that consecutive errors are always separated
// by a word break to avoid this.
//
Invariant.Assert(transitionPosition.IsNull || textPosition.CompareTo(transitionPosition) != 0);
return transitionPosition;
}示例4: FindIndex
// Finds the index of a run containing the specified content.
// Returns -1 if there is no run in the indicated direction -- when
// position is at the document edge pointing to nothing.
private int FindIndex(StaticTextPointer position, LogicalDirection direction)
{
Run run;
int index;
int minIndex;
int maxIndex;
index = -1;
minIndex = 0;
maxIndex = _runList.Count;
while (minIndex < maxIndex)
{
index = (minIndex + maxIndex) / 2;
run = GetRun(index);
if (direction == LogicalDirection.Forward && position.CompareTo(run.Position) < 0 ||
direction == LogicalDirection.Backward && position.CompareTo(run.Position) <= 0)
{
// Search to the left.
maxIndex = index;
}
else if (direction == LogicalDirection.Forward && position.CompareTo(GetRunEndPosition(index)) >= 0 ||
direction == LogicalDirection.Backward && position.CompareTo(GetRunEndPosition(index)) > 0)
{
// Search to the right.
minIndex = index + 1;
}
else
{
// Got a match.
break;
}
}
if (minIndex >= maxIndex)
{
// We walked off the document edge searching.
// position is at document start or end, and direction
// points off into space, so there's no associated run.
index = -1;
}
return index;
}示例5: GetNextBackwardPosition
/// <summary>
/// Gets next change position in the backward direction
/// </summary>
/// <param name="pos"> start position</param>
/// <returns>nex position if any</returns>
private ITextPointer GetNextBackwardPosition(StaticTextPointer pos)
{
for (int i = _segments.Count - 1; i >= 0; i--)
{
HighlightSegment highlightSegment = _segments[i];
if (pos.CompareTo(highlightSegment.Segment.End) <= 0)
{
if (pos.CompareTo(highlightSegment.Segment.Start) > 0)
return highlightSegment.Segment.Start;
}
else
{
return highlightSegment.Segment.End;
}
}
return null;
}示例6: GetNextForwardPosition
/// <summary>
/// Gets next change position in the forward direction
/// </summary>
/// <param name="pos"> start position</param>
/// <returns>next position if any</returns>
private ITextPointer GetNextForwardPosition(StaticTextPointer pos)
{
for (int i = 0; i < _segments.Count; i++)
{
HighlightSegment highlightSegment = _segments[i];
if (pos.CompareTo(highlightSegment.Segment.Start) >= 0)
{
if (pos.CompareTo(highlightSegment.Segment.End) < 0)
return highlightSegment.Segment.End;
}
else
{
return highlightSegment.Segment.Start;
}
}
return null;
}示例7: GetNextChangePosition
// Returns the position of the next highlight start or end in an
// indicated direction, or null if there is no such position.
internal override StaticTextPointer GetNextChangePosition(StaticTextPointer textPosition, LogicalDirection direction)
{
StaticTextPointer transitionPosition;
AttributeRange attributeRange;
int i;
transitionPosition = StaticTextPointer.Null;
// Use a simple iterative search since we don't ever have
// more than a handful of attributes in a composition.
if (direction == LogicalDirection.Forward)
{
for (i = 0; i < _attributeRanges.Count; i++)
{
attributeRange = (AttributeRange)_attributeRanges[i];
if (attributeRange.Start.CompareTo(attributeRange.End) != 0)
{
if (textPosition.CompareTo(attributeRange.Start) < 0)
{
transitionPosition = attributeRange.Start.CreateStaticPointer();
break;
}
else if (textPosition.CompareTo(attributeRange.End) < 0)
{
transitionPosition = attributeRange.End.CreateStaticPointer();
break;
}
}
}
}
else
{
for (i = _attributeRanges.Count - 1; i >= 0; i--)
{
attributeRange = (AttributeRange)_attributeRanges[i];
if (attributeRange.Start.CompareTo(attributeRange.End) != 0)
{
if (textPosition.CompareTo(attributeRange.End) > 0)
{
transitionPosition = attributeRange.End.CreateStaticPointer();
break;
}
else if (textPosition.CompareTo(attributeRange.Start) > 0)
{
transitionPosition = attributeRange.Start.CreateStaticPointer();
break;
}
}
}
}
return transitionPosition;
}示例8: GetRangeAtPosition
// Returns the AttributeRange covering specified content, or null
// if no such range exists.
private AttributeRange GetRangeAtPosition(StaticTextPointer textPosition, LogicalDirection direction)
{
int i;
AttributeRange attributeRange;
AttributeRange attributeRangeAtPosition;
// Use a simple iterative search since we don't ever have
// more than a handful of attributes in a composition.
attributeRangeAtPosition = null;
if (direction == LogicalDirection.Forward)
{
for (i = 0; i < _attributeRanges.Count; i++)
{
attributeRange = (AttributeRange)_attributeRanges[i];
if (attributeRange.Start.CompareTo(attributeRange.End) != 0)
{
if (textPosition.CompareTo(attributeRange.Start) < 0)
{
break;
}
else if (textPosition.CompareTo(attributeRange.End) < 0)
{
attributeRangeAtPosition = attributeRange;
break;
}
}
}
}
else
{
for (i = _attributeRanges.Count - 1; i >= 0; i--)
{
attributeRange = (AttributeRange)_attributeRanges[i];
if (attributeRange.Start.CompareTo(attributeRange.End) != 0)
{
if (textPosition.CompareTo(attributeRange.End) > 0)
{
break;
}
else if (textPosition.CompareTo(attributeRange.Start) > 0)
{
attributeRangeAtPosition = attributeRange;
break;
}
}
}
}
return attributeRangeAtPosition;
}示例9: Max
internal static StaticTextPointer Max(StaticTextPointer position1, StaticTextPointer position2)
{
position2.AssertGeneration();
return position1.CompareTo(position2) >= 0 ? position1 : position2;
}