// Token: 0x060067A6 RID: 26534 RVA: 0x001D0CB8 File Offset: 0x001CEEB8
private UpdateRecord UpdateRecordFromDtr(DtrList dtrs, DirtyTextRange dtr, int dcpContent)
{
UpdateRecord updateRecord = new UpdateRecord();
updateRecord.Dtr = dtr;
BaseParagraph baseParagraph = this._firstChild;
int num = dcpContent;
if (num < updateRecord.Dtr.StartIndex)
{
while (baseParagraph != null && num + baseParagraph.LastFormatCch <= updateRecord.Dtr.StartIndex && (num + baseParagraph.LastFormatCch != updateRecord.Dtr.StartIndex || !(baseParagraph is TextParagraph)))
{
num += baseParagraph.LastFormatCch;
baseParagraph = baseParagraph.Next;
}
}
updateRecord.FirstPara = baseParagraph;
if (baseParagraph == null)
{
updateRecord.ChangeType = PTS.FSKCHANGE.fskchNew;
}
else if (num < updateRecord.Dtr.StartIndex)
{
updateRecord.ChangeType = PTS.FSKCHANGE.fskchInside;
}
else
{
updateRecord.ChangeType = PTS.FSKCHANGE.fskchNew;
}
updateRecord.SyncPara = null;
while (baseParagraph != null)
{
if (num + baseParagraph.LastFormatCch > updateRecord.Dtr.StartIndex + updateRecord.Dtr.PositionsRemoved || (num + baseParagraph.LastFormatCch == updateRecord.Dtr.StartIndex + updateRecord.Dtr.PositionsRemoved && updateRecord.ChangeType != PTS.FSKCHANGE.fskchNew))
{
updateRecord.SyncPara = baseParagraph.Next;
break;
}
num += baseParagraph.LastFormatCch;
baseParagraph = baseParagraph.Next;
}
return(updateRecord);
}
// ------------------------------------------------------------------
// Build UpdateRecord from DTR.
// ------------------------------------------------------------------
private UpdateRecord UpdateRecordFromDtr(
DtrList dtrs,
DirtyTextRange dtr,
int dcpContent)
{
UpdateRecord ur = new UpdateRecord();
// (1) Initialize DTR
ur.Dtr = dtr;
// (2) Find first paragraph affected by DTR
BaseParagraph para = _firstChild;
BaseParagraph paraPrev = null;
// There might be gaps between paragraphs (example: content of List element, only
// nested Lists or ListItems are valid paragraphs, all other content is skipped).
// For this reason always use para.ParagraphStartCharacterPosition to get the first
// character position of the current paragraph.
int dcpPara = dcpContent;
if (dcpPara < ur.Dtr.StartIndex)
{
while (para != null)
{
// We're looking for first affected para - We start with dco content. For
// all paras but TextParagraph, StartPosition/EndPosition is
// |<Section></Section>|, so insertion at edge points is adding new paragraphs,
// not affecting current. For textpara, <Paragraph>|abcde|</Paragraph>,
// insertion at edge points is a change inside for that text paragraph.
if (
dcpPara + para.LastFormatCch > ur.Dtr.StartIndex ||
(dcpPara + para.LastFormatCch == ur.Dtr.StartIndex && para is TextParagraph))
{
break; // the first paragraph is found
}
dcpPara += para.LastFormatCch;
paraPrev = para;
para = para.Next;
}
}
// else the change is before the first paragraph
ur.FirstPara = para;
// (3) Determine change type for the fist affected paragraph
if (para == null)
{
ur.ChangeType = PTS.FSKCHANGE.fskchNew;
}
else if (dcpPara < ur.Dtr.StartIndex)
{
ur.ChangeType = PTS.FSKCHANGE.fskchInside;
}
else
{
ur.ChangeType = PTS.FSKCHANGE.fskchNew;
}
// (4) Find synchronization point, the first paragraph after DTR
ur.SyncPara = null;
while (para != null)
{
if ( (dcpPara + para.LastFormatCch > ur.Dtr.StartIndex + ur.Dtr.PositionsRemoved)
|| (dcpPara + para.LastFormatCch == ur.Dtr.StartIndex + ur.Dtr.PositionsRemoved && ur.ChangeType != PTS.FSKCHANGE.fskchNew))
{
ur.SyncPara = para.Next;
break;
}
dcpPara += para.LastFormatCch;
para = para.Next;
}
return ur;
}
// Token: 0x060067A5 RID: 26533 RVA: 0x001D0AF4 File Offset: 0x001CECF4
private void BuildUpdateRecord()
{
this._ur = null;
DtrList dtrList = base.StructuralCache.DtrsFromRange(base.ParagraphStartCharacterPosition, base.LastFormatCch);
UpdateRecord updateRecord2;
if (dtrList != null)
{
UpdateRecord updateRecord = null;
for (int i = 0; i < dtrList.Length; i++)
{
int cpfromElement = TextContainerHelper.GetCPFromElement(base.StructuralCache.TextContainer, base.Element, ElementEdge.AfterStart);
updateRecord2 = this.UpdateRecordFromDtr(dtrList, dtrList[i], cpfromElement);
if (updateRecord == null)
{
this._ur = updateRecord2;
}
else
{
updateRecord.Next = updateRecord2;
}
updateRecord = updateRecord2;
}
updateRecord2 = this._ur;
while (updateRecord2.Next != null)
{
if (updateRecord2.SyncPara != null)
{
if (updateRecord2.SyncPara.Previous == updateRecord2.Next.FirstPara)
{
updateRecord2.MergeWithNext();
}
else if (updateRecord2.SyncPara == updateRecord2.Next.FirstPara && updateRecord2.Next.ChangeType == PTS.FSKCHANGE.fskchNew)
{
updateRecord2.MergeWithNext();
}
else
{
updateRecord2 = updateRecord2.Next;
}
}
else
{
updateRecord2.MergeWithNext();
}
}
}
updateRecord2 = this._ur;
while (updateRecord2 != null && updateRecord2.FirstPara != null)
{
BaseParagraph baseParagraph;
if (updateRecord2.ChangeType == PTS.FSKCHANGE.fskchInside)
{
baseParagraph = updateRecord2.FirstPara.Next;
updateRecord2.FirstPara.Next = null;
}
else
{
baseParagraph = updateRecord2.FirstPara;
}
while (baseParagraph != updateRecord2.SyncPara)
{
if (baseParagraph.Next != null)
{
baseParagraph.Next.Previous = null;
}
if (baseParagraph.Previous != null)
{
baseParagraph.Previous.Next = null;
}
baseParagraph.Dispose();
baseParagraph = baseParagraph.Next;
}
updateRecord2 = updateRecord2.Next;
}
if (this._ur != null && this._ur.FirstPara == this._firstChild && this._ur.ChangeType == PTS.FSKCHANGE.fskchNew)
{
this._firstChild = null;
}
this._firstParaValidInUpdateMode = true;
}