/*private void DumpBreakRegions(params ElementBreakRegion[] breakRegions)
* {
* foreach(ElementBreakRegion breakRegion in breakRegions)
* {
* String elementStartName = breakRegion.BreakStartElement != null ? breakRegion.BreakStartElement.tagName : "";
* String elementEndName = breakRegion.BreakEndElement != null ? breakRegion.BreakEndElement.tagName : "";
* String breakContent = breakRegion.ContentRange.Text;
* if(breakContent != null)
* breakContent = breakContent.Replace('\r', ' ').Replace('\n', ' ');
* else
* breakContent = "";
* Trace.WriteLine(String.Format("<{0}>{1}<{2}>", elementStartName, breakContent, elementEndName));
* }
* }*/
/// <summary>
/// Splits the specified range into regions based on a region break filter.
/// </summary>
/// <param name="range"></param>
/// <returns></returns>
private ElementBreakRegion[] SplitIntoElementRegions(MarkupRange range, IHTMLElementFilter regionBreakFilter)
{
ArrayList regions = new ArrayList();
MarkupRange blockRange = _markupServices.CreateMarkupRange();
blockRange.Start.MoveToPointer(range.Start);
blockRange.End.MoveToPointer(range.Start);
MarkupContext moveContext = new MarkupContext();
ElementBreakRegion currentRegion = new ElementBreakRegion(blockRange, null, null);
while (currentRegion.ContentRange.End.IsLeftOf(range.End))
{
if (moveContext.Element != null)
{
if (regionBreakFilter(moveContext.Element))
{
//move the end of the region back before the break element to close this region
currentRegion.ContentRange.End.Left(true);
//save the closed region and start the next region
currentRegion.BreakEndElement = moveContext.Element;
regions.Add(currentRegion);
currentRegion = new ElementBreakRegion(currentRegion.ContentRange.Clone(), moveContext.Element, null);
currentRegion.ContentRange.Start.MoveToPointer(currentRegion.ContentRange.End);
//move the region start over the break element
currentRegion.ContentRange.Start.Right(true, moveContext);
currentRegion.ContentRange.End.MoveToPointer(currentRegion.ContentRange.Start);
}
}
currentRegion.ContentRange.End.Right(true, moveContext);
}
//save the last break region
if (moveContext.Element != null && regionBreakFilter(moveContext.Element))
{
//move the end of the region back before the break element to close this region
currentRegion.ContentRange.End.Left(true);
}
if (currentRegion.ContentRange.End.IsRightOf(range.End))
{
currentRegion.ContentRange.End.MoveToPointer(range.End);
}
regions.Add(currentRegion);
return((ElementBreakRegion[])regions.ToArray(typeof(ElementBreakRegion)));
}
/*private void DumpBreakRegions(params ElementBreakRegion[] breakRegions)
{
foreach(ElementBreakRegion breakRegion in breakRegions)
{
String elementStartName = breakRegion.BreakStartElement != null ? breakRegion.BreakStartElement.tagName : "";
String elementEndName = breakRegion.BreakEndElement != null ? breakRegion.BreakEndElement.tagName : "";
String breakContent = breakRegion.ContentRange.Text;
if(breakContent != null)
breakContent = breakContent.Replace('\r', ' ').Replace('\n', ' ');
else
breakContent = "";
Trace.WriteLine(String.Format("<{0}>{1}<{2}>", elementStartName, breakContent, elementEndName));
}
}*/
/// <summary>
/// Splits the specified range into regions based on a region break filter.
/// </summary>
/// <param name="range"></param>
/// <returns></returns>
private ElementBreakRegion[] SplitIntoElementRegions(MarkupRange range, IHTMLElementFilter regionBreakFilter)
{
ArrayList regions = new ArrayList();
MarkupRange blockRange = _markupServices.CreateMarkupRange();
blockRange.Start.MoveToPointer(range.Start);
blockRange.End.MoveToPointer(range.Start);
MarkupContext moveContext = new MarkupContext();
ElementBreakRegion currentRegion = new ElementBreakRegion(blockRange, null, null);
while (currentRegion.ContentRange.End.IsLeftOf(range.End))
{
if (moveContext.Element != null)
{
if (regionBreakFilter(moveContext.Element))
{
//move the end of the region back before the break element to close this region
currentRegion.ContentRange.End.Left(true);
//save the closed region and start the next region
currentRegion.BreakEndElement = moveContext.Element;
regions.Add(currentRegion);
currentRegion = new ElementBreakRegion(currentRegion.ContentRange.Clone(), moveContext.Element, null);
currentRegion.ContentRange.Start.MoveToPointer(currentRegion.ContentRange.End);
//move the region start over the break element
currentRegion.ContentRange.Start.Right(true, moveContext);
currentRegion.ContentRange.End.MoveToPointer(currentRegion.ContentRange.Start);
}
}
currentRegion.ContentRange.End.Right(true, moveContext);
}
//save the last break region
if (moveContext.Element != null && regionBreakFilter(moveContext.Element))
{
//move the end of the region back before the break element to close this region
currentRegion.ContentRange.End.Left(true);
}
if (currentRegion.ContentRange.End.IsRightOf(range.End))
currentRegion.ContentRange.End.MoveToPointer(range.End);
regions.Add(currentRegion);
return (ElementBreakRegion[])regions.ToArray(typeof(ElementBreakRegion));
}
