private void RenderTimer_Tick(object sender, EventArgs e)
{
RenderTimer.Enabled = false;
CharFA <string> fa = null;
try
{
fa = CharFA <string> .Parse(Regex.Text, "Accept");
}
catch (Exception ex)
{
Status.Text = string.Format("Error Parsing Regex: {0}", ex.Message);
}
if (null != fa)
{
// mark our states for displaying the DFA later
foreach (var ffa in fa.FillClosure())
{
ffa.Tag = ffa;
}
try
{
var kvp = fa.Lex(Input.Text.GetEnumerator(), "#ERROR");
if (kvp.Value.Length != Input.Text.Length)
{
Status.Text = string.Format("Input error at {0}", kvp.Value.Length);
}
else
{
Status.Text = "Successfully Lexed.";
}
}
catch (Exception eex)
{
Status.Text = string.Format("Input error: {0}", eex.Message);
}
var options = new CharFA <string> .DotGraphOptions();
options.DebugString = Input.Text;
var dfa = fa.ToDfa();
dfa.TrimDuplicates();
try
{
using (var stm = fa.RenderToStream("jpg", false, options))
NfaGraph.Image = Image.FromStream(stm);
} catch
{
}
options.StatePrefix = @"Q";
options.DebugSourceNfa = fa;
try
{
using (var stm = dfa.RenderToStream("jpg", false, options))
DfaGraph.Image = Image.FromStream(stm);
}
catch { }
}
}
static void Main(string[] args)
{
var nfa = CharFA <string> .Parse("hello|world!", "success!");
var dfa = nfa.ToDfa();
var opts = new CharFA <string> .DotGraphOptions();
opts.DebugSourceNfa = nfa;
opts.DebugString = "he";
dfa.TrimDuplicates();
dfa.RenderToFile(@"..\..\..\helloworld.jpg", opts);
Console.WriteLine(dfa);
var tok = dfa.Lex("helloworld".GetEnumerator(), "#ERROR");
Console.WriteLine("{0}: {1}", tok.Key, new string(tok.Value));
}