//读入dfa文件 private void button6_Click(object sender, EventArgs e) { DialogResult result = openFileDialog1.ShowDialog();//显示对话框接返回值 if (result == DialogResult.OK) { try { string CodeText = RWStream.ReadFile(openFileDialog1.FileName); string[] CodePart = CodeText.Split('\n'); DFA.EdgeSet.Clear(); DFA.StartState.StateName = DFAb; DFA.EndState.StateName = DFAe; transymbol.Clear(); MFAset = new CloseSet(); MFAes.Clear(); DFAes.Clear(); string[] nbstr = CodePart[0].Split(new char[] { ':', ';' }); DFAb = Convert.ToInt32(nbstr[1]); string[] nestr = CodePart[1].Split(new char[] { ':', '\r' }); string[] nestrs = nestr[1].Split(';'); for (int i = 0; i < nestrs.Length; i++) { if (nestrs[i] != "") { DFAes.Add(Convert.ToInt32(nestrs[i])); } } string[] countstr = CodePart[2].Split(new char[] { ':' }); int counts = Convert.ToInt32(countstr[1]); MFAmax = counts; string[] s = CodePart[3].Split(new char[] { ':' }); string[] ss = s[1].Split(';'); for (int i = 0; i < ss.Length; i++) { char[] c = ss[i].ToCharArray(); if ('a' <= c[0] && c[0] <= 'z') { transymbol.Add(c[0]); } } for (int i = 4; i < CodePart.Length; i++)//建立dfa { if (CodePart[i] != "") { string[] edgeCh = CodePart[i].Split('\t'); edge newEdge = new edge(); newEdge.StartState.StateName = Convert.ToInt32(edgeCh[0]); newEdge.TransSymbol = Convert.ToChar(edgeCh[1]); newEdge.EndState.StateName = Convert.ToInt32(edgeCh[2]); DFA.EdgeSet.Add(newEdge); } } for (int i = 0; i < counts + 1; i++) { TSet newSet = new TSet(); for (int j = 0; j < transymbol.Count; j++) { newSet.next[j] = -2; } MFAset.CSet.Add(newSet); } for (int i = 4; i < CodePart.Length; i++) { string[] edgeCh = CodePart[i].Split(new char[] { ':', '\r', '\t' }); if (edgeCh[2] != "") { MFAset.CSet[Convert.ToInt32(edgeCh[0])] .next[transymbol.IndexOf(Convert.ToChar(edgeCh[1]))] = Convert.ToInt32(edgeCh[2]); } } DFA.EdgeCount = DFA.EdgeSet.Count; //richTextBox1.Text = RWStream.ReadFile(openFileDialog1.FileName); WriteDFA(); READFILE = true; char[] ch = new char[1]; DFAToMFA(ch); READFILE = false; } catch (Exception) { MessageBox.Show("文件格式错误,请检查"); } } }