private Task <object> CreateTask()
{
CancelToken = new CancellationTokenSource();
var t = new Task <object>(() =>
{
try
{
//System.Console.WriteLine("STEP 1");
switch (task)
{
case TASK_SPLIT:
curPos = 0;
BufText = "";
bufLen = 0;
notFound = 0;
break;
case TASK_ANNOTATE:
case TASK_ANNOTATE_BACK:
curPos = 0;
BufText = "";
bufLen = 0;
curLine = new List <object>();
hMargin = TestView != null ? TestView.hMargin : 0;
curWidth = hMargin;
notFound = 0;
break;
}
tempEndPos = endPos;
tempStartPos = startPos;
mHopelessBreak = false;
//System.Console.WriteLine("STEP 2");
while ((task == TASK_ANNOTATE || task == TASK_SPLIT) && (curPos < bufLen || curPos == bufLen && tempEndPos < textLen) && (tempLines.Count < visibleLines * 2 || (!Formatting && tempEndPos - endPos < 500)) || task == TASK_ANNOTATE_BACK && (curPos < bufLen || curPos == bufLen && tempStartPos > 0))
{
//System.Console.WriteLine("STEP 3");
if ((task == TASK_ANNOTATE || task == TASK_SPLIT) && bufLen - curPos < 18 && tempEndPos < textLen)
{
if (notFound > 0)
{
curLine = AddNotFound(notFound, curLine);
notFound = 0;
}
BufText = NextBuffer;
bufLen = BufText.Length;
}
else if (task == TASK_ANNOTATE_BACK && curPos == bufLen)
{
if (notFound > 0)
{
curLine = AddNotFound(notFound, curLine);
notFound = 0;
}
if (curLine.Count > 0)
{
tempLines.Add(curLine);
curLine = new List <object>();
}
tempBackLines.InsertRange(0, tempLines);
tempLines.Clear();
if (tempBackLines.Count < visibleLines * 2)
{
BufText = PrevBuffer;
bufLen = BufText.Length;
}
else
{
break;
}
}
//System.Console.WriteLine("STEP 4");
if (BufText[curPos] < '\u25CB' || BufText[curPos] > '\u9FA5')
{
if (CheckCancelled())
{
//return (-1);
return(null);
}
notFound++;
if (BufText[curPos] == ' ' && notFound > 1)
{
curPos++;
curLine = AddNotFound(notFound, curLine);
notFound = 0;
if (curFilePos != -1)
{
curFilePos++;
}
continue;
}
if (notFound > perLine * visibleLines * 2 && task == TASK_ANNOTATE)
{
notFound--;
break;
}
if (curFilePos != -1)
{
curFilePos += Encoding.UTF8.GetBytes(BufText.SubstringSpecial(curPos, curPos + 1)).Length;
}
curPos++;
continue;
}
//System.Console.WriteLine("STEP 5");
if (notFound > 0)
{
curLine = AddNotFound(notFound, curLine);
notFound = 0;
}
int last = -1;
//System.Console.WriteLine("STEP 6");
int i = 3;
for (; i >= 0; i--)
{
int j = 1;
for (; j <= i && curPos + j < bufLen; j++)
{
if (BufText[curPos + j] < '\u25CB' || BufText[curPos + j] > '\u9FA5')
{
break;
}
}
//System.Console.WriteLine("STEP 7");
if (j == i + 1)
{
if (i == 3)
{
last = Dict.BinarySearch(BufText.SubstringSpecial(curPos, curPos + i + 1), true);
}
else
{
if (last >= 0)
{
last = Dict.BinarySearch(BufText.SubstringSpecial(curPos, curPos + i + 1), 0, last - 1, false);
}
else
{
last = Dict.BinarySearch(BufText.SubstringSpecial(curPos, curPos + i + 1), false);
}
}
//System.Console.WriteLine("STEP 8");
if (last >= 0)
{
if (i == 3)
{ //the found entry may be longer than 4 (3 + 1)
if (Dict.GetLength(last) > bufLen - curPos)
{ //the found may be longer than the ending
continue;
}
string word = BufText.SubstringSpecial(curPos, curPos + Dict.GetLength(last));
if (Dict.Equals(last, word))
{
curLine = AddWord(last, curLine);
Bookmark bookmark = Bookmark.Search(curFilePos, Bookmarks);
if (bookmark != null)
{
bookmark.SetAnnotatedPosition(tempLines.Count, curLine.Count - 1);
FoundBookmarks.Add(bookmark);
}
if (CheckCancelled())
{
return(null);
//return (-1);
}
if (curFilePos != -1)
{
curFilePos += word.Length * 3;
}
curPos += word.Length;
break;
}
}
else
{
curLine = AddWord(last, curLine);
Bookmark bookmark = Bookmark.Search(curFilePos, Bookmarks);
if (bookmark != null)
{
bookmark.SetAnnotatedPosition(tempLines.Count, curLine.Count - 1);
FoundBookmarks.Add(bookmark);
}
if (CheckCancelled())
{
//return (-1);
return(null);
}
if (curFilePos != -1)
{
curFilePos += (i + 1) * 3;
}
curPos += i + 1;
break;
}
}
}
}
//System.Console.WriteLine("STEP 9");
if (i < 0)
{
notFound++;
if (curFilePos != -1)
{
curFilePos += Encoding.UTF8.GetBytes(BufText.SubstringSpecial(curPos, curPos + 1)).Length;
}
curPos++;
}
}
//System.Console.WriteLine("STEP 10");
if (notFound > 0)
{
curLine = AddNotFound(notFound, curLine);
notFound = 0;
}
//System.Console.WriteLine("STEP 11");
if (curLine.Count > 0)
{
if (task == TASK_ANNOTATE_BACK || tempEndPos == textLen && curPos == bufLen || tempLines.Count == 0)
{ //back annotation or end of text or 1-line text
tempLines.Add(curLine);
curLine = new List <object>();
}
else
{
curPos -= (int)LineView.GetLineSize(curLine, false);
}
}
//System.Console.WriteLine("STEP 12");
if (task == TASK_ANNOTATE || task == TASK_SPLIT)
{
if (annoMode == AnnotationActivity.ANNOTATE_FILE)
{
tempEndPos -= Encoding.UTF8.GetBytes(BufText.Substring(curPos)).Length;
}
else
{
tempEndPos -= bufLen - curPos;
}
}
if (task == TASK_ANNOTATE_BACK)
{
tempBackLines.InsertRange(0, tempLines);
tempLines = tempBackLines;
}
return(task);
}
catch (Exception e)
{
status = Status.Finished;
System.Console.WriteLine("Annotation CreateTask ERROR => " + e.Message);
Log.Equals("ChineseReader", "Annotation error");
}
return(task);
}, CancelToken.Token, TaskCreationOptions.None);
t.ContinueWith(antecendent =>
{
status = Status.Finished;
System.Console.WriteLine("C# Post Execute");
if (CheckCancelled())
{
return;
}
inter.OnCompleted(task, splitLineIndex, PastedText, tempLines, curPos, tempStartPos, tempEndPos, curPos < bufLen || (annoMode == AnnotationActivity.ANNOTATE_FILE && tempEndPos + Encoding.UTF8.GetBytes(BufText.SubstringSpecial(0, curPos)).Length < textLen), FoundBookmarks);
}, CancelToken.Token, TaskContinuationOptions.None, Scheduler);
return(t);
}
public static List <object> BreakWord(string theText)
{
int textLen = theText.Length, curPos = 0, last;
List <object> words = new List <object>();
while (curPos < textLen)
{
int i = Math.Min(textLen - curPos - 1, 3);
if (curPos == 0)
{
i = Math.Min(textLen - curPos - 2, 3);
}
last = -1;
for (; i >= 0; i--)
{
if (i == 3 && curPos > 0)
{
last = Dict.BinarySearch(theText.SubstringSpecial(curPos, curPos + i + 1), true);
}
else
{
if (last >= 0)
{
last = Dict.BinarySearch(theText.SubstringSpecial(curPos, curPos + i + 1), 0, last - 1, false);
}
else
{
last = Dict.BinarySearch(theText.SubstringSpecial(curPos, curPos + i + 1), false);
}
}
if (last >= 0)
{
if (i == 3)
{ //the found entry may be longer than 4 (3 + 1)
if (Dict.GetLength(last) > textLen - curPos)
{ //the found may be longer than the ending
continue;
}
string word = theText.SubstringSpecial(curPos, curPos + Dict.GetLength(last));
if (Dict.Equals(last, word))
{
words.Add(last);
curPos += word.Length;
break;
}
}
else
{
words.Add(last);
curPos += i + 1;
break;
}
}
}
if (i == -1 && last < 0)
{
words.Add(theText.SubstringSpecial(curPos, curPos + 1));
curPos++;
}
}
return(words);
}
protected override Java.Lang.Object DoInBackground(params Java.Lang.Object[] native_parms)
{
try
{
switch (task)
{
case TASK_SPLIT:
curPos = 0;
BufText = "";
bufLen = 0;
notFound = 0;
break;
case TASK_ANNOTATE:
case TASK_ANNOTATE_BACK:
curPos = 0;
BufText = "";
bufLen = 0;
curLine = new List <object>();
hMargin = TestView != null ? TestView.hMargin : 0;
curWidth = hMargin;
notFound = 0;
break;
}
tempEndPos = endPos;
tempStartPos = startPos;
mHopelessBreak = false;
while ((task == TASK_ANNOTATE || task == TASK_SPLIT) && (curPos < bufLen || curPos == bufLen && tempEndPos < textLen) && (tempLines.Count < visibleLines * 2 || (!Formatting && tempEndPos - endPos < 500)) || task == TASK_ANNOTATE_BACK && (curPos < bufLen || curPos == bufLen && tempStartPos > 0))
{
if ((task == TASK_ANNOTATE || task == TASK_SPLIT) && bufLen - curPos < 18 && tempEndPos < textLen)
{
if (notFound > 0)
{
curLine = AddNotFound(notFound, curLine);
notFound = 0;
}
BufText = NextBuffer;
bufLen = BufText.Length;
}
else if (task == TASK_ANNOTATE_BACK && curPos == bufLen)
{
if (notFound > 0)
{
curLine = AddNotFound(notFound, curLine);
notFound = 0;
}
if (curLine.Count > 0)
{
tempLines.Add(curLine);
curLine = new List <object>();
}
tempBackLines.InsertRange(0, tempLines);
tempLines.Clear();
if (tempBackLines.Count < visibleLines * 2)
{
BufText = PrevBuffer;
bufLen = BufText.Length;
}
else
{
break;
}
}
if (BufText[curPos] < '\u25CB' || BufText[curPos] > '\u9FA5')
{
if (CheckCancelled())
{
//return (-1);
return(null);
}
notFound++;
if (BufText[curPos] == ' ' && notFound > 1)
{
curPos++;
curLine = AddNotFound(notFound, curLine);
notFound = 0;
if (curFilePos != -1)
{
curFilePos++;
}
continue;
}
if (notFound > perLine * visibleLines * 2 && task == TASK_ANNOTATE)
{
notFound--;
break;
}
if (curFilePos != -1)
{
curFilePos += Encoding.UTF8.GetBytes(BufText.SubstringSpecial(curPos, curPos + 1)).Length;
}
curPos++;
continue;
}
if (notFound > 0)
{
curLine = AddNotFound(notFound, curLine);
notFound = 0;
}
int last = -1;
int i = 3;
for (; i >= 0; i--)
{
int j = 1;
for (; j <= i && curPos + j < bufLen; j++)
{
if (BufText[curPos + j] < '\u25CB' || BufText[curPos + j] > '\u9FA5')
{
break;
}
}
if (j == i + 1)
{
if (i == 3)
{
last = Dict.BinarySearch(BufText.SubstringSpecial(curPos, curPos + i + 1), true);
}
else
{
if (last >= 0)
{
last = Dict.BinarySearch(BufText.SubstringSpecial(curPos, curPos + i + 1), 0, last - 1, false);
}
else
{
last = Dict.BinarySearch(BufText.SubstringSpecial(curPos, curPos + i + 1), false);
}
}
if (last >= 0)
{
if (i == 3)
{ //the found entry may be longer than 4 (3 + 1)
if (Dict.GetLength(last) > bufLen - curPos)
{ //the found may be longer than the ending
continue;
}
string word = BufText.SubstringSpecial(curPos, curPos + Dict.GetLength(last));
if (Dict.Equals(last, word))
{
curLine = AddWord(last, curLine);
Bookmark bookmark = Bookmark.Search(curFilePos, Bookmarks);
if (bookmark != null)
{
bookmark.SetAnnotatedPosition(tempLines.Count, curLine.Count - 1);
FoundBookmarks.Add(bookmark);
}
if (CheckCancelled())
{
return(null);
//return (-1);
}
if (curFilePos != -1)
{
curFilePos += word.Length * 3;
}
curPos += word.Length;
break;
}
}
else
{
curLine = AddWord(last, curLine);
Bookmark bookmark = Bookmark.Search(curFilePos, Bookmarks);
if (bookmark != null)
{
bookmark.SetAnnotatedPosition(tempLines.Count, curLine.Count - 1);
FoundBookmarks.Add(bookmark);
}
if (CheckCancelled())
{
//return (-1);
return(null);
}
if (curFilePos != -1)
{
curFilePos += (i + 1) * 3;
}
curPos += i + 1;
break;
}
}
}
}
if (i < 0)
{
notFound++;
if (curFilePos != -1)
{
curFilePos += Encoding.UTF8.GetBytes(BufText.SubstringSpecial(curPos, curPos + 1)).Length;
}
curPos++;
}
}
if (notFound > 0)
{
curLine = AddNotFound(notFound, curLine);
notFound = 0;
}
if (curLine.Count > 0)
{
if (task == TASK_ANNOTATE_BACK || tempEndPos == textLen && curPos == bufLen || tempLines.Count == 0)
{ //back annotation or end of text or 1-line text
tempLines.Add(curLine);
curLine = new List <object>();
}
else
{
curPos -= (int)LineView.GetLineSize(curLine, false);
}
}
if (task == TASK_ANNOTATE || task == TASK_SPLIT)
{
if (annoMode == AnnotationActivity.ANNOTATE_FILE)
{
tempEndPos -= Encoding.UTF8.GetBytes(BufText.Substring(curPos)).Length;
}
else
{
tempEndPos -= bufLen - curPos;
}
}
if (task == TASK_ANNOTATE_BACK)
{
tempBackLines.InsertRange(0, tempLines);
tempLines = tempBackLines;
}
return(task);
}
catch (Java.Lang.Exception e)
{
status = Status.Finished;
System.Console.WriteLine("Annotation DoInBackground ERROR => " + e.Message);
Log.Equals("ChineseReader", "Annotation error");
}
return(task);
}
