MQLArticles/Utils/FA/Int/String.mqh

//+------------------------------------------------------------------+
//|                                                       String.mqh |
//|                                   Copyright 2026, Niquel Mendoza |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, Niquel Mendoza"
#property link      "https://www.mql5.com"
#property strict

#ifndef MQLARTICLES_UTILS_FA_INT_STRING_MQH
#define MQLARTICLES_UTILS_FA_INT_STRING_MQH

//+------------------------------------------------------------------+
//| Strings                                                          |
//+------------------------------------------------------------------+
template <typename S>
void StringToType(string token, S &value, ENUM_DATATYPE type)
 {
  if(StringLen(token) == 0)
   {
    Print("Error: String is empty.");
    return;
   }

  switch(type)
   {
    case TYPE_BOOL:
      value = (S)(StringToInteger(token) != 0);  // Convertir a bool
      break;

    case TYPE_CHAR:
      value = (S)((char)StringToInteger(token));  // Convertir a char
      break;

    case TYPE_UCHAR:
      value = (S)((uchar)StringToInteger(token));  // Convertir a uchar
      break;

    case TYPE_SHORT:
      value = (S)((short)StringToInteger(token));  // Convertir a short
      break;

    case TYPE_USHORT:
      value = (S)((ushort)StringToInteger(token));  // Convertir a ushort
      break;

    case TYPE_COLOR:
      value = (S)((color)StringToInteger(token));  // Convertir a color
      break;

    case TYPE_INT:
      value = (S)(StringToColor(token));  // Convertir a int
      break;

    case TYPE_UINT:
      value = (S)((uint)StringToInteger(token));  // Convertir a uint
      break;

    case TYPE_DATETIME:
      value = (S)(StringToTime(token));  // Convertir a datetime
      break;

    case TYPE_LONG:
      value = (S)((long)StringToInteger(token));  // Convertir a long
      break;

    case TYPE_ULONG:
      value = (S)((ulong)StringToInteger(token));  // Convertir a ulong
      break;

    case TYPE_FLOAT:
      value = (S)((float)StringToDouble(token));  // Convertir a float
      break;

    case TYPE_DOUBLE:
      value = (S)(StringToDouble(token));  // Convertir a double
      break;

    case TYPE_STRING:
      value = (S)(token);  // Mantener como string
      break;

    default:
      Print("Error: Unsupported data type in ConvertToType.");
      break;
   }
 }
//+------------------------------------------------------------------+
string AbreviarPeriodo(ENUM_TIMEFRAMES timeframe)
 {
  string  periodo_string = EnumToString(timeframe);
  StringReplace(periodo_string, "PERIOD_", "");
  StringToLower(periodo_string);
  return periodo_string;
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int StringFindAtras(const string value, const string find, int aum = 0)
 {
  const int len = StringLen(value);
  const int len_find = StringLen(find);
  for(int i = len - len_find - aum; i >= 0; i--)
   {
    bool match = true;
    for(int k = 0; k < len_find; k++)
     {
      if(value[i + k] != find[k])
       {
        match = false;
        break;
       }
     }
    if(match)
      return i;
   }
  return -1;
 }

//+------------------------------------------------------------------+
int StringFindAtras(const string value, const ushort caracter, int aum = 0)
 {
  const int len = StringLen(value);
  for(int i = len - 1 - aum; i >= 0; i--)
   {
    if(value[i] == caracter)
      return i;
   }
  return -1;
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
inline int StringFindCharWRef(const string& value, const ushort caracter, const int len, const int start)
 {
  for(int i = start; i < len; i++)
    if(value[i] == caracter)
      return i;
  return -1;
 }
//+------------------------------------------------------------------+
int StringFindCharWRef(const string value, const ushort caracter, int start = 0)
 {
  const int len = StringLen(value);
  for(int i = start; i < len; i++)
   {
    if(value[i] == caracter)
      return i;
   }
  return -1;
 }
//+------------------------------------------------------------------+
int StringFindChar(const string value, const ushort caracter, int start = 0)
 {
  const int len = StringLen(value);
  for(int i = start; i < len; i++)
   {
    if(value[i] == caracter)
      return i;
   }
  return -1;
 }


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
string StringRepeat(string cadena_a_repeitr, int numero_repeticiones)
 {
  string result = "";
  for(int i = 0; i < numero_repeticiones; i++)
   {
    result += cadena_a_repeitr;
   }
  return result;
 }

//+------------------------------------------------------------------+
string RemoveMultipleSubStrings(const string original, const string &subStringsToRemove[])
 {
  string modified = original; // Copia de la cadena original para modificar
  int position;               // Posición de la subcadena a remover

// Itera sobre el array de subcadenas a remover
  for(int i = 0; i < ArraySize(subStringsToRemove); i++)
   {
    // Bucle para remover todas las ocurrencias de cada subcadena
    while((position = StringFind(modified, subStringsToRemove[i])) != -1)
     {
      // Remueve la subcadena encontrada
      modified = StringSubstr(modified, 0, position) + StringSubstr(modified, position + StringLen(subStringsToRemove[i]));
     }
   }

  return modified; // Devuelve la cadena modificada
 }
//+------------------------------------------------------------------+
string RemoveSubString(const string original, const string toRemove)
 {
  string modified = original; // Copia de la cadena original para modificar
  int position;               // Posición de la subcadena a remover

// Bucle para remover todas las ocurrencias de la subcadena
  while((position = StringFind(modified, toRemove)) != -1)
   {
    // Remueve la subcadena encontrada
    modified = StringSubstr(modified, 0, position) + StringSubstr(modified, position + StringLen(toRemove));
   }

  return modified; // Devuelve la cadena modificada
 }

//+------------------------------------------------------------------+
#define StringSubstrRange(s, ps, pe) s.Substr(ps,((pe)-(ps))+1)

//+------------------------------------------------------------------+
int StringSplitStr(const string& str, const string& sep, string& arr[], int reserve)
 {
//---
  if(str == NULL)
    return -1; // Vacio

//---
  int last_start = 0;
  const int len_str = int(str.Length());
  const int len_sep = int(sep.Length());
  int s = 0;
  int c = ArrayResize(arr, reserve);

// 1||N||0||1||sAdasdasdasd"
//---
  while(true)
   {
    static int init;
    if((init = str.Find(sep, last_start)) >= 0)
     {
      //---
      if(s >= c)
       {
        c <<= 1;
        ArrayResize(arr, c);
       }


      //---
      arr[s++] =  StringSubstrRange(str, last_start, init - 1);
      last_start = init + len_sep;
     }
    else
     {
      arr[ArrayResize(arr, (++s)) - 1] = str.Substr(last_start, len_str);
      return s;
     }
   }
 }

//+------------------------------------------------------------------+
int StringSplitFuncParams(const string& str, const ushort sep_params,  string& out[], int reserve)
 {
//---
  if(str == NULL)
    return -1; // Vacio

// 1:0, 2:'Hola'
//---
  bool in = false;
  const int len = StringLen(str);
  string current = "";
  int reserve_size = ArrayResize(out, fmax(4, reserve));
  int current_size = 0;

//---
  for(int i = 0; i < len; i++)
   {
    if(str[i] == '\'') // ' = Inicio de string
     {
      in = !in;
     }
    if(!in && str[i] == sep_params)
     {
      out[current_size] = current;
      current_size++;
      if(current_size >= reserve_size)
       {
        reserve_size <<= 1;
        ArrayResize(out, reserve_size);
       }
      current = "";
     }
    else
     {
      current += ShortToString(str[i]);
     }
   }

//---
  if(current != "")
   {
    out[current_size++] = current;
   }
  else
    if(current_size == 0)
     {
      out[current_size++] = str; // Todo
     }

//---
  return ArrayResize(out, current_size);
 }

//---
#define StringTrim(text) \
 StringTrimRight(text);  \
 StringTrimLeft(text);

#endif // MQLARTICLES_UTILS_FA_INT_STRING_MQH