private void cmdBidiTest_Click(object sender, EventArgs e)
{
//string text = "hello مرحبا a123";
//string text = "مرحبا "; //hello
//string text = "حب"; //love
string text = "شمس";//sun
//string text = "یہ ایک (car) ہے۔"; //this is a car
char[] buffer = text.ToCharArray();
Line line1 = new Line(text);
RunAdapter runAdapter = new RunAdapter();
RunAgent agent = runAdapter.Agent;
runAdapter.LoadLine(line1);
while (runAdapter.MoveNext())
{
int offset = agent.Offset;
byte level = agent.Level;
int len = agent.Length;
bool rtl = agent.IsRightToLeft;
//iter each run-span
string tt = new string(buffer, offset, len);
System.Diagnostics.Debug.WriteLine(tt);
}
//static RunAdapter runAdapter = new RunAdapter();
//static MirrorLocator mirrorLocator = new MirrorLocator();
//static void Main(string[] args)
//{
// string text = "یہ ایک (car) ہے۔";
// Paragraph paragraph = new Paragraph(text, BaseDirection.AutoLeftToRight);
// Line line = new Line(paragraph, 0, text.Length);
// runAdapter.LoadLine(line);
// foreach (RunAgent agent in runAdapter)
// {
// Console.WriteLine("Run Level: " + agent.Level);
// Console.WriteLine("Run Offset: " + agent.Offset);
// Console.WriteLine("Run Length: " + agent.Length);
// Console.WriteLine("Run Direction: " + (agent.IsRightToLeft ? "RTL" : "LTR"));
// Console.WriteLine();
// }
// mirrorLocator.LoadLine(line);
// foreach (MirrorAgent agent in mirrorLocator)
// {
// Console.WriteLine("Mirror Location: " + agent.Index);
// Console.WriteLine("Mirror Unicode: " + agent.Mirror);
// Console.WriteLine();
// }
//}
}
internal override void BreakWord(WordVisitor visitor, char[] charBuff, int startAt, int len)
{
//use custom parsing
visitor.State = VisitorState.Parsing;
RunAgent agent = _runAdapter.Agent;
//collect arabic char and break
int arabic_len = 0;
int lim = startAt + len;
for (int i = startAt; i < lim; ++i)
{
char c = charBuff[i];
if (IsArabicChar(c))
{
arabic_len++;
}
else
{
break;
}
}
//
if (arabic_len == 0)
{
visitor.State = VisitorState.OutOfRangeChar;
return;
}
visitor.SpanBreakInfo = _breakInfo;
//only collect char
Line line1 = new Line(new string(charBuff, startAt, arabic_len));
_runAdapter.LoadLine(line1);
while (_runAdapter.MoveNext())
{
int offset = agent.Offset;
byte level = agent.Level;
int sp_len = agent.Length;
bool rtl = agent.IsRightToLeft;
if (rtl)
{
//temp fix
visitor.AddWordBreak_AndSetCurrentIndex(startAt + sp_len, WordKind.Text);
}
else
{
//use other engine
break;
}
//iter each run-span
//string tt = new string(buffer, offset, len);
//System.Diagnostics.Debug.WriteLine(tt);
}
if (visitor.CurrentIndex == startAt + len)
{
visitor.State = VisitorState.End;
}
else
{
//continue to other parser
visitor.State = VisitorState.OutOfRangeChar;
}
}