private ScanResult_Segment GetEndSegment(Row Row, Segment CurrentSegment, int StartPos)
{
//this row has no text , just bail out...
if (StartPos >= Row.Text.Length || CurrentSegment.Scope == null)
{
return(new ScanResult_Segment());
}
ScanResult_Segment Result = new ScanResult_Segment();
Result.HasContent = false; //make sure we have no content in this object
Result.IsEndSegment = false; //nope , were looking for start blocks here
//--------------------------------------------------------------------------------
//scan for childblocks
//scan each scope in each childblock
Segment seg = CurrentSegment;
while (seg != null)
{
if (seg == CurrentSegment || seg.BlockType.TerminateChildren)
{
foreach (Pattern end in seg.Scope.EndPatterns)
{
PatternScanResult psr = end.IndexIn(Row.Text, StartPos, seg.Scope.CaseSensitive, Separators);
int CurrentPosition = psr.Index;
if (psr.Token != "")
{
if ((psr.Index < Result.Position && Result.HasContent) || !Result.HasContent)
{
//we found a better match
//store this new match
Result.Pattern = end;
Result.Position = CurrentPosition;
Result.Token = psr.Token;
Result.HasContent = true;
Result.Segment = seg;
Result.Scope = null;
if (!end.IsComplex)
{
if (seg.Scope.NormalizeCase)
{
if (!seg.Scope.Start.IsComplex)
{
Result.Token = end.StringPattern;
}
}
}
}
}
}
}
seg = seg.Parent;
}
//no result , return new ScanResult_Segment();
if (!Result.HasContent)
{
return(new ScanResult_Segment());
}
return(Result);
}
private ScanResult_Segment GetNextChildSegment(Row Row, Segment CurrentSegment, int StartPos)
{
//this row has no text , just bail out...
if (StartPos >= Row.Text.Length)
{
return(new ScanResult_Segment());
}
ScanResult_Segment Result = new ScanResult_Segment();
Result.HasContent = false; //make sure we have no content in this object
Result.IsEndSegment = false; //nope , were looking for start blocks here
BlockType ChildBlock;
//foreach (BlockType ChildBlock in CurrentSegment.BlockType.ChildBlocks)
BlockTypeCollection blocks = CurrentSegment.BlockType.ChildBlocks;
for (int i = 0; i < blocks.Count; i++)
{
ChildBlock = blocks[i];
//scan each scope in each childblock
//foreach (Scope Scope in ChildBlock.ScopePatterns)
Scope Scope;
ScopeCollection scopeColl = ChildBlock.ScopePatterns;
for (int j = 0; j < scopeColl.Count; j++)
{
Scope = scopeColl[j];
PatternScanResult psr = Scope.Start.IndexIn(Row.Text, StartPos, Scope.CaseSensitive, Separators);
int CurrentPosition = psr.Index;
if ((!Result.HasContent || CurrentPosition < Result.Position) && psr.Token != "")
{
//we found a better match
//store this new match
Result.Pattern = Scope.Start;
Result.Position = CurrentPosition;
Result.Token = psr.Token;
Result.HasContent = true;
Result.BlockType = ChildBlock;
Result.Scope = Scope;
if (Scope.NormalizeCase)
{
if (!Scope.Start.IsComplex)
{
Result.Token = Scope.Start.StringPattern;
}
}
}
}
}
//no result , new ScanResult_Segment();
if (!Result.HasContent)
{
return(new ScanResult_Segment());
}
return(Result);
}
private void InternalParseLine(int index, bool ParseKeywords)
{
if (this.mLanguage == null)
{
return;
}
//
// if (ParseKeywords)
// return;
// ParseKeywords=true;
SyntaxDocument doc = Document;
Row Row = doc[index];
Segment OldEndSegment = Row.EndSegment;
Segment OldStartSegment = Row.StartSegment;
bool Fold = !Row.IsCollapsed;
if (Row.IsCollapsedEndPart)
{
//Row.Expansion_EndSegment.Expanded = true;
//Row.Expansion_EndSegment.EndRow = null;
Row.Expansion_EndSegment.EndWord = null;
}
//set startsegment for this row
if (index > 0)
{
Row.StartSegment = Document[index - 1].EndSegment;
}
else
{
if (Row.StartSegment == null)
{
Row.StartSegment = new Segment(Row);
Row.StartSegment.BlockType = this.mLanguage.MainBlock;
}
}
int CurrentPosition = 0;
Segment CurrentSegment = Row.StartSegment;
if (CurrentSegment == null)
{
return; //%%__|JMP(12/29/2010) Probably a timing issue.
}
//kör tills vi kommit till slutet av raden..
Row.EndSegments.Clear();
Row.StartSegments.Clear();
Row.Clear();
// bool HasEndSegment=false;
while (true)
{
ScanResult_Segment ChildSegment = GetNextChildSegment(Row, CurrentSegment, CurrentPosition);
ScanResult_Segment EndSegment = GetEndSegment(Row, CurrentSegment, CurrentPosition);
if ((EndSegment.HasContent && ChildSegment.HasContent && EndSegment.Position <= ChildSegment.Position) || (EndSegment.HasContent && ChildSegment.HasContent == false))
{
//this is an end segment
if (ParseKeywords)
{
string Text = Row.Text.Substring(CurrentPosition, EndSegment.Position - CurrentPosition);
ParseText(Row, CurrentSegment, Text);
}
Segment oldseg = CurrentSegment;
while (CurrentSegment != EndSegment.Segment)
{
Row.EndSegments.Add(CurrentSegment);
CurrentSegment = CurrentSegment.Parent;
if (CurrentSegment == null)
{
System.Threading.Thread.Sleep(1);
}
}
Row.EndSegments.Add(CurrentSegment);
TextStyle st2 = CurrentSegment.Scope.Style;
ParseTools.AddPatternString(EndSegment.Token, Row, EndSegment.Pattern, st2, CurrentSegment, false);
while (oldseg != EndSegment.Segment)
{
oldseg.EndRow = Row;
oldseg.EndWord = Row[Row.Count - 1];
oldseg = oldseg.Parent;
}
CurrentSegment.EndRow = Row;
CurrentSegment.EndWord = Row[Row.Count - 1];
if (CurrentSegment.Parent != null)
{
CurrentSegment = CurrentSegment.Parent;
if (CurrentSegment == null)
{
System.Threading.Thread.Sleep(1);
}
}
CurrentPosition = EndSegment.Position + EndSegment.Token.Length;
}
else if (ChildSegment.HasContent)
{
//this is a child block
if (ParseKeywords)
{
string Text = Row.Text.Substring(CurrentPosition, ChildSegment.Position - CurrentPosition);
//TextStyle st=CurrentSegment.BlockType.Style;
ParseText(Row, CurrentSegment, Text);
//ParseTools.AddString (Text,Row,st,CurrentSegment);
}
Segment NewSeg = new Segment();
NewSeg.Parent = CurrentSegment;
NewSeg.BlockType = ChildSegment.BlockType;
NewSeg.Scope = ChildSegment.Scope;
Row.StartSegments.Add(NewSeg);
TextStyle st2 = NewSeg.Scope.Style;
ParseTools.AddPatternString(ChildSegment.Token, Row, ChildSegment.Pattern, st2, NewSeg, false);
NewSeg.StartRow = Row;
NewSeg.StartWord = Row[Row.Count - 1];
CurrentSegment = NewSeg;
if (CurrentSegment == null)
{
System.Threading.Thread.Sleep(1);
}
CurrentPosition = ChildSegment.Position + ChildSegment.Token.Length;
if (ChildSegment.Scope.SpawnBlockOnStart != null)
{
Segment SpawnSeg = new Segment();
SpawnSeg.Parent = NewSeg;
SpawnSeg.BlockType = ChildSegment.Scope.SpawnBlockOnStart;
SpawnSeg.Scope = new Scope();
SpawnSeg.StartWord = NewSeg.StartWord;
Row.StartSegments.Add(SpawnSeg);
CurrentSegment = SpawnSeg;
if (CurrentSegment == null)
{
System.Threading.Thread.Sleep(1);
}
}
}
else
{
if (CurrentPosition < Row.Text.Length)
{
if (ParseKeywords)
{
//we did not find a childblock nor an endblock , just output the last pice of text
string Text = Row.Text.Substring(CurrentPosition);
//TextStyle st=CurrentSegment.BlockType.Style;
ParseText(Row, CurrentSegment, Text);
//ParseTools.AddString (Text,Row,st,CurrentSegment);
}
}
break;
}
}
while (!CurrentSegment.BlockType.MultiLine)
{
Row.EndSegments.Add(CurrentSegment);
CurrentSegment = CurrentSegment.Parent;
}
Row.EndSegment = CurrentSegment;
Row.SetExpansionSegment();
if (ParseKeywords)
{
Row.RowState = RowState.AllParsed;
}
else
{
Row.RowState = RowState.SegmentParsed;
}
if (IsSameButDifferent(index, OldStartSegment))
{
MakeSame(index);
//if (!IsSameButDifferent(index))
// System.Diagnostics.Debugger.Break();
}
if (Row.CanFold)
{
Row.Expansion_StartSegment.Expanded = Fold;
}
//dont flag next line as needs parsing if only parsing keywords
if (!ParseKeywords)
{
if (OldEndSegment != null)
{
if (Row.EndSegment != OldEndSegment && index <= Document.Count - 2)
{
//if (Row.CanFold)
// Row.Expansion_StartSegment.Expanded = true;
Document[index + 1].AddToParseQueue();
Document.NeedResetRows = true;
}
}
else if (index <= Document.Count - 2)
{
//if (Row.CanFold)
// Row.Expansion_StartSegment.Expanded = true;
Document[index + 1].AddToParseQueue();
Document.NeedResetRows = true;
}
}
if (OldEndSegment != null)
{
//expand segment if this line dont have an end word
if (OldEndSegment.EndWord == null)
{
OldEndSegment.Expanded = true;
}
}
}