public ActionResult Read(string filename)
{
regularExpression = "";
var path = Path.Combine(Server.MapPath("~/Archivo"), filename);
FilePath = Server.MapPath("~/Archivo");
var numberLine = 0;
var specialCharsSets = new List <string>()
{
"=", "'", ".", "+", "(", ")"
};
var specialCharsTokens = new List <string>()
{
"*", "|", "+", "?", "'", "\"", "(", ")"
};
var specialCharsActions = new List <string>()
{
"{", "RESERVADAS", "()", "'"
};
var dictionaryMistakes = new Dictionary <int, string>();
var rangeList = new List <string>();
var tokensDictionary = new Dictionary <int, string>();
var setsDictionary = new Dictionary <string, List <string> >();
var lettersM = "ABCDEFGHIJKLMNÑOPQRSTUVWXYZ";
var lettersm = "abcdefghijklmnñopqrstuvwxyz";
var space = "_";
var digits = "0123456789";
var nextChar = "=";
var setName = "";
var rangeL = new List <string>();
var rangel = new List <string>();
var rangeD = new List <string>();
var range_ = new List <string>();
var rangeCharset = new List <string>();
var listCharacters = new List <string>();
var character = "";
var noToken = 0;
var error = false;
var cadena = "";
var token = "";
var tokenValue = "";
using (var stream = new FileStream(path, FileMode.Open))
{
using (var reader = new StreamReader(stream))
{
var line = reader.ReadLine();
numberLine++;
line = Regex.Replace(line, @"\s+", "");
//SETS
if (line.Substring(0, 4).ToUpper() == "SETS")
{
line = reader.ReadLine();
numberLine++;
while (line.Substring(0, line.Length).ToUpper() != "TOKENS")
{
line = Regex.Replace(line, @"\s+", "");
//ValidateSets(line, specialCharsSets);
for (int i = 0; i < line.Length; i++)
{
if (error == true)
{
nextChar = "=";
}
else
{
switch (nextChar)
{
case "=":
if (line.Contains("="))
{
if (line[i].ToString() == "=")
{
if (setName != string.Empty)
{
setsDictionary.Add(setName, rangeList);
setName = string.Empty;
var newRangeList = new List <string>();
rangeList = newRangeList;
}
setName = line.Substring(0, i);
nextChar = "'";
}
}
else if (!specialCharsSets.Contains(line[i].ToString()))
{
setName += line[i];
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
break;
case "'":
if (line[i].ToString() == "'")
{
nextChar = "caracter";
}
else if (line[i].ToString() == "C")
{
nextChar = "H";
}
else
{
if (line != "")
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
}
break;
case "caracter":
if ((i + 1) >= line.Length)
{
break;
}
else
{
if (!specialCharsSets.Contains(line[i].ToString()) && specialCharsSets.Contains(line[i + 1].ToString()))
{
//if(LM Lm E D o C) Contains character
if (lettersM.Contains(line[i].ToString()))
{
if (rangeL.Count == 0)
{
rangeL.Add(line[i].ToString());
}
else
{
rangeL.Add(line[i].ToString());
if (rangeL[0].CompareTo(rangeL[1]) != -1)
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
else
{
var indexFirts = lettersM.IndexOf(lettersM.FirstOrDefault(x => x.ToString() == rangeL[0]));
var indexLast = lettersM.IndexOf(lettersM.FirstOrDefault(x => x.ToString() == rangeL[1]));
for (int k = indexFirts; k <= indexLast; k++)
{
rangeList.Add(lettersM[k].ToString());
}
}
}
}
if (lettersm.Contains(line[i].ToString()))
{
if (rangel.Count == 0)
{
rangel.Add(line[i].ToString());
}
else
{
rangel.Add(line[i].ToString());
if (rangel[0].CompareTo(rangel[1]) != -1)
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
else
{
var indexFirts = lettersm.IndexOf(lettersm.FirstOrDefault(x => x.ToString() == rangel[0]));
var indexLast = lettersm.IndexOf(lettersm.FirstOrDefault(x => x.ToString() == rangel[1]));
for (int k = indexFirts; k <= indexLast; k++)
{
rangeList.Add(lettersm[k].ToString());
}
}
}
}
if (space.Contains(line[i].ToString()))
{
rangeList.Add(line[i].ToString());
}
if (digits.Contains(line[i].ToString()))
{
if (rangeD.Count == 0)
{
rangeD.Add(line[i].ToString());
}
else
{
rangeD.Add(line[i].ToString());
if (rangeD[0].CompareTo(rangeD[1]) != -1)
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
else
{
var indexFirts = digits.IndexOf(digits.FirstOrDefault(x => x.ToString() == rangeD[0]));
var indexLast = digits.IndexOf(digits.FirstOrDefault(x => x.ToString() == rangeD[1]));
for (int k = indexFirts; k <= indexLast; k++)
{
rangeList.Add(digits[k].ToString());
}
}
}
}
nextChar = "'";
}
else if (line[i].ToString() == ".")
{
nextChar = ".";
}
else if (line[i].ToString() == "+")
{
nextChar = "'";
}
else if (specialCharsSets.Contains(line[i].ToString()) && specialCharsSets.Contains(line[i + 1].ToString()))
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
else
{
nextChar = "=";
}
}
break;
case ".":
if (line[i].ToString() == ".")
{
nextChar = "'";
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
break;
case "C":
if (line[i].ToString().ToUpper() != "C")
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
nextChar = "H";
break;
case "H":
if (line[i].ToString().ToUpper() != "H")
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
nextChar = "R";
break;
case "R":
if (line[i].ToString().ToUpper() != "R")
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
nextChar = "(";
break;
case "(":
if (line[i].ToString() == "(")
{
nextChar = "charset";
}
else
{
if (line != "")
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
}
break;
case "charset":
if (!specialCharsSets.Contains(line[i].ToString()))
{
character += line[i].ToString();
}
else if (line[i].ToString() == ")")
{
rangeCharset.Add(character);
character = "";
nextChar = "punto";
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
break;
case "punto":
if (line[i].ToString() == ".")
{
nextChar = "punto2";
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
break;
case "punto2":
if (line[i].ToString() == ".")
{
nextChar = "C";
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
break;
default:
break;
}
}
}
line = reader.ReadLine();
numberLine++;
error = false;
}
setsDictionary.Add(setName, rangeList);
}
//TOKENS
if (line.Substring(0, 6).ToUpper() == "TOKENS")
{
line = reader.ReadLine();
numberLine++;
nextChar = "=";
while (line.Substring(0, line.Length).ToUpper() != "ACTIONS")
{
line = line.ToUpper();
line = Regex.Replace(line, @"\s+", "");
for (int i = 0; i < line.Length; i++)
{
if (error == true)
{
nextChar = "=";
}
else
{
switch (nextChar)
{
case "=":
if (line.Contains("="))
{
if (line[i].ToString() == "=")
{
if (tokenValue != string.Empty)
{
tokenValue = tokenValue.Substring(0, tokenValue.Length - 1);
if (!tokensDictionary.Keys.Contains(noToken))
{
tokensDictionary.Add(noToken, tokenValue);
tokenValue = string.Empty;
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
}
if (line.Substring(0, i - 1) == "TOKEN")
{
noToken = Convert.ToInt32(line.Substring(5, 1));
}
else if (line.Substring(0, i - 2) == "TOKEN")
{
noToken = Convert.ToInt32(line.Substring(5, 2));
}
else if (token.Substring(0, 5) == "TOKEN")
{
noToken = Convert.ToInt32(line.Substring(5, 1));
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
nextChar = "set";
}
}
else if (!specialCharsTokens.Contains(line[i].ToString()))
{
token += line[i];
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
break;
case "set":
if ((i + 1) >= line.Length)
{
break;
}
else
{
if (!specialCharsTokens.Contains(line[i].ToString()))
{
cadena += line[i].ToString();
if (cadena == "TOKEN")
{
nextChar = "=";
cadena = "";
break;
}
if (setsDictionary.ContainsKey(cadena))
{
listCharacters.Add(cadena);
cadena = "";
}
if (specialCharsTokens.Contains(line[i + 1].ToString()))
{
foreach (var item in listCharacters)
{
tokenValue = tokenValue + item + ".";
}
listCharacters = new List <string>();
if (line[i + 1].ToString() == "'")
{
nextChar = "set";
}
else
{
nextChar = "simbol";
}
}
}
else if (line[i].ToString() == "'")
{
nextChar = "character";
}
else if (line[i].ToString() == "(")
{
tokenValue += line[i].ToString();
nextChar = "set";
}
else if (line[i].ToString() == "|")
{
tokenValue = tokenValue.Substring(0, tokenValue.Length - 1);
tokenValue += line[i].ToString();
nextChar = "set";
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
}
break;
case "simbol":
if (cadena != string.Empty)
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
else
{
if (line[i].ToString() == "|")
{
tokenValue = tokenValue.Substring(0, tokenValue.Length - 1);
tokenValue += line[i].ToString();
nextChar = "set";
}
else if (line[i].ToString() == "(")
{
tokenValue += line[i].ToString();
nextChar = "set";
}
else if (line[i].ToString() == ")")
{
tokenValue = tokenValue.Substring(0, tokenValue.Length - 1);
tokenValue += line[i].ToString() + ".";
nextChar = "pow";
}
else if (line[i].ToString() == "*" || line[i].ToString() == "+" || line[i].ToString() == "?")
{
tokenValue = tokenValue.Substring(0, tokenValue.Length - 1);
tokenValue += line[i].ToString() + ".";
nextChar = "set";
}
}
break;
case "character":
if (line[i].ToString() == "'")
{
if (cadena != string.Empty)
{
listCharacters.Add(cadena);
cadena = "";
}
else
{
listCharacters.Add(line[i].ToString());
}
nextChar = "'";
}
else if (line[i].ToString() == "\"")
{
listCharacters.Add(line[i].ToString());
nextChar = "'";
}
else
{
cadena += line[i].ToString();
if (setsDictionary.ContainsKey(cadena))
{
dictionaryMistakes.Add(numberLine, line);
cadena = "";
}
if (specialCharsTokens.Contains(line[i + 1].ToString()))
{
listCharacters.Add(cadena);
cadena = "";
nextChar = "'";
}
}
break;
case "'":
if (line[i].ToString() != "'")
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
else
{
foreach (var item in listCharacters)
{
tokenValue = tokenValue + "'" + item + "'" + ".";
}
listCharacters = new List <string>();
nextChar = "set";
}
break;
case "pow":
if (line[i].ToString() == "*" || line[i].ToString() == "+" || line[i].ToString() == "?")
{
tokenValue = tokenValue.Substring(0, tokenValue.Length - 1);
tokenValue += line[i].ToString() + ".";
}
nextChar = "set";
break;
default:
break;
}
}
}
line = reader.ReadLine();
numberLine++;
}
tokenValue = tokenValue.Substring(0, tokenValue.Length - 1);
if (error == false)
{
if (!tokensDictionary.Keys.Contains(noToken))
{
tokensDictionary.Add(noToken, tokenValue);
tokenValue = string.Empty;
}
else
{
dictionaryMistakes.Add(numberLine, line);
error = true;
}
foreach (var item in tokensDictionary)
{
regularExpression += "(" + item.Value + ")" + "|";
}
regularExpression = regularExpression.Substring(0, regularExpression.Length - 1) + "#";
}
}
else
{
dictionaryMistakes.Add(numberLine, line);
}
}
}
if (dictionaryMistakes.Count > 0)
{
MistakesListViewModel modelList = new MistakesListViewModel();
modelList.ListMistakes = new List <MistakesEntity>();
foreach (var item in dictionaryMistakes)
{
MistakesEntity model = new MistakesEntity();
model.Line = item.Key;
model.Mistake = item.Value;
modelList.ListMistakes.Add(model);
}
TempData["Mistakes"] = modelList;
return(RedirectToAction("Mistakes"));
}
else
{
var postList = new List <string>();
var nodesList = new List <Node>();
postList = tree.Calculator(regularExpression, setsDictionary);
nodesList = tree.Tree(postList);
nList = nodesList;
ArbolViewModel arbol = new ArbolViewModel();
arbol.ListNodes = new List <NodeEntity>();
foreach (var item in nodesList)
{
NodeEntity model = new NodeEntity();
model.EsHoja = item.EsHoja;
model.IsNull = item.IsNull;
model.Value = item.Value;
if (item.Number != null)
{
model.Number = item.Number;
}
foreach (var number in item.First)
{
model.First = model.First + number.Number + ",";
}
foreach (var number1 in item.Last)
{
model.Last = model.Last + number1.Number + ",";
}
if (item.Follow != null)
{
foreach (var number2 in item.Follow)
{
model.Follow = model.Follow + number2 + ",";
}
}
arbol.ListNodes.Add(model);
}
TempData["Tree"] = arbol;
return(RedirectToAction("TableOfTree"));
}
}