private bool KillEmptyStyles(out List <Run> simplifiedRuns, List <Run> originalRuns)
{
bool didKill = false;
simplifiedRuns = new List <Run>(originalRuns);
simplifiedRuns.RemoveAll(r => (r is TextRun) && string.IsNullOrEmpty((r as TextRun).Text));
for (int i = 0; i < simplifiedRuns.Count - 1; i++)
{
Run run1 = simplifiedRuns[i];
Run run2 = simplifiedRuns[i + 1];
if (run1 is StyleStartRun && run2 is StyleEndRun &&
(run1 as StyleRun).Style == (run2 as StyleRun).Style)
{
simplifiedRuns[i] = new NullRun();
simplifiedRuns[i + 1] = new NullRun();
//simplifiedRuns.RemoveAt(i); //ith
//simplifiedRuns.RemoveAt(i); // i+1th
i++;
didKill = true;
}
}
return(didKill);
}
private void MergeTextRuns(List <Run> simplifiedRuns)
{
for (int i = 0; i < simplifiedRuns.Count; i++)
{
if (simplifiedRuns[i] is TextRun)
{
string finalText = (simplifiedRuns[i] as TextRun).Text;
bool found = false;
int j = i + 1;
while (j < simplifiedRuns.Count && simplifiedRuns[j] is TextRun)
{
finalText += (simplifiedRuns[j] as TextRun).Text;
simplifiedRuns[j] = new NullRun();
found = true;
j++;
}
if (found)
{
simplifiedRuns[i] = new TextRun(finalText);
}
}
}
}
private List <Run> RunStyleKillers(List <Run> originalRuns)
{
List <Run> simplifiedRuns = new List <Run>(originalRuns);
int cntActiveStyles = 0;
for (int i = 0; i < simplifiedRuns.Count; i++)
{
Run run = simplifiedRuns[i];
if (run is StyleStartRun)
{
cntActiveStyles++;
}
else if (run is StyleEndRun)
{
cntActiveStyles--;
}
if (run is StyleKillerRun && cntActiveStyles > 0)
{
int cnt = cntActiveStyles;
int effectiveCnt = 0;
int j = i - 1;
while (cnt > 0 && j > 0)
{
if (simplifiedRuns[j] is StyleStartRun)
{
effectiveCnt++;
if (effectiveCnt > 0)
{
simplifiedRuns[j] = new NullRun();
//simplifiedRuns.RemoveAt(j);
effectiveCnt--;
cnt--;
//i--;
}
}
else if (simplifiedRuns[j] is StyleEndRun)
{
effectiveCnt--;
}
j--;
}
cnt = cntActiveStyles;
effectiveCnt = 0;
j = i + 1;
while (cnt > 0 && j < simplifiedRuns.Count)
{
if (simplifiedRuns[j] is StyleEndRun)
{
effectiveCnt++;
if (effectiveCnt > 0)
{
simplifiedRuns[j] = new NullRun();
//simplifiedRuns.RemoveAt(j);
effectiveCnt--;
cnt--;
//j--;
}
}
else if (simplifiedRuns[j] is StyleStartRun)
{
effectiveCnt--;
}
j++;
}
}
}
return(simplifiedRuns);
}
