public void ScriptItemize(RPLFormat.Directions direction)
{
SCRIPT_ITEM[] array = null;
int num = 0;
StringBuilder stringBuilder = new StringBuilder();
string nextTextBlock;
while ((nextTextBlock = this.GetNextTextBlock()) != null)
{
if (nextTextBlock.Length > 0)
{
SCRIPT_CONTROL sCRIPT_CONTROL = default(SCRIPT_CONTROL);
sCRIPT_CONTROL.dword1 = 16777216u;
ScriptState scriptState = new ScriptState();
scriptState.uBidiLevel = ((direction != 0) ? 1 : 0);
SCRIPT_STATE as_SCRIPT_STATE = scriptState.GetAs_SCRIPT_STATE();
SCRIPT_ITEM[] array2 = new SCRIPT_ITEM[nextTextBlock.Length + 1];
int num2 = 0;
int num3 = Win32.ScriptItemize(nextTextBlock, nextTextBlock.Length, array2.Length, ref sCRIPT_CONTROL, ref as_SCRIPT_STATE, array2, ref num2);
if (Win32.Failed(num3))
{
Marshal.ThrowExceptionForHR(num3);
}
if (array == null)
{
array = array2;
num = num2;
}
else
{
SCRIPT_ITEM[] array3 = new SCRIPT_ITEM[num + array2.Length];
Array.Copy(array, 0, array3, 0, num);
for (int i = 0; i < array2.Length; i++)
{
SCRIPT_ITEM sCRIPT_ITEM = array2[i];
sCRIPT_ITEM.iCharPos += stringBuilder.Length;
array3[num + i] = sCRIPT_ITEM;
}
array = array3;
num += num2;
}
stringBuilder.Append(nextTextBlock);
}
}
if (num > 0)
{
List <SCRIPT_ITEM> list = new List <SCRIPT_ITEM>();
int num4 = -1;
bool flag = false;
for (int j = 0; j < num; j++)
{
int bidiLevel = ScriptState.GetBidiLevel(array[j].analysis.state.word1);
int bidiLevel2 = ScriptState.GetBidiLevel(array[j + 1].analysis.state.word1);
if (bidiLevel == bidiLevel2 && this.CanMergeItemizedRuns(array[j].iCharPos, array[j + 1].iCharPos - 1, stringBuilder))
{
if (num4 < 0)
{
num4 = j;
}
}
else
{
if (num4 >= 0)
{
list.Add(array[num4]);
}
list.Add(array[j]);
num4 = -1;
}
}
if (num4 >= 0)
{
list.Add(array[num4]);
}
list.Add(array[num]);
array = null;
num = list.Count - 1;
if (num == 1)
{
for (int k = 0; k < this.m_runs.Count; k++)
{
this.m_runs[k].SCRIPT_ANALYSIS = list[0].analysis;
}
Paragraph.AnalyzeForBreakPositions(this.m_runs, stringBuilder.ToString());
}
else
{
List <TextRun> list2 = new List <TextRun>();
for (int l = 0; l < num; l++)
{
int iCharPos = list[l].iCharPos;
int endingParaCharIndex = list[l + 1].iCharPos - 1;
List <TextRun> collection = this.ExtractRuns(iCharPos, endingParaCharIndex, list[l].analysis);
list2.AddRange(collection);
}
this.m_runs = list2;
}
}
}
public static extern int ScriptItemize([MarshalAs(UnmanagedType.LPWStr)] string pwcInChars, int cInChars, int cMaxItems, ref SCRIPT_CONTROL psControl, ref SCRIPT_STATE psState, [In][Out] SCRIPT_ITEM[] pItems, ref int pcItems);