UTE/Strategy/StrategyParamsBase.mqh

<EFBFBD><EFBFBD>//+------------------------------------------------------------------+
//|                                           StrategyParamsBase.mqh |
//|           Copyright 2016, Vasiliy Sokolov, St-Petersburg, Russia |
//|                                https://www.mql5.com/ru/users/c-4 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2016, Vasiliy Sokolov."
#property link      "https://www.mql5.com/ru/users/c-4"

#include "Logs.mqh"
#include "XML\XMLBase.mqh"
//+------------------------------------------------------------------+
//| ;0AA A>45@68B 107>2K5 ?0@0<5B@K ;N1>9 AB@0B5388 CStrategy.      |
//| 0@0<5B@K 703@C60NBAO 87 ?5@540==>3> XML-0BB@81CB0 <Stragey>     |
//+------------------------------------------------------------------+
class CParamsBase
  {
private:
   bool              m_is_valid;       // $;03, C:07K20NI89, 2A5 ;8 >1O70B5;L=K5 ?0@0<5B@K AB@0B5388 C:070=K 25@=>.
   uint              m_magic;          // 038G5A:89 =><5@ AB@0B5388
   string            m_name;           // <O AB@0B5388
   string            m_symbol;         // !8<2>; AB@0B5388
   ENUM_TIMEFRAMES   m_timeframe;      // "09<D@59< AB@0B5388
   CLog*             Log;              // >38@>20=85
   ENUM_TIMEFRAMES   StringToTimeframe(string stf);
public:
                     CParamsBase(CXmlElement *xmlStrategy);
   bool              IsValid(void);
   bool              CheckParams(void);
   uint              Magic(void);
   string            Name(void);
   string            Symbol(void);
   ENUM_TIMEFRAMES   Timeframe(void);
  };
//+------------------------------------------------------------------+
//| !>7405B :;0AA 107>2KE ?0@0<5B@>2 AB@0B5388 87 A?5F80;L=>3>       |
//| XML-M;5<5=B0.                                                    |
//+------------------------------------------------------------------+
CParamsBase::CParamsBase(CXmlElement *xmlStrategy) : m_is_valid(false),
                                                     m_magic(0),
                                                     m_name(""),
                                                     m_symbol(""),
                                                     m_timeframe(PERIOD_CURRENT)
  {
   Log=CLog::GetLog();
   for(int i=0; i<xmlStrategy.GetAttributeCount(); i++)
     {
      CXmlAttribute *attr=xmlStrategy.GetAttribute(i);
      string name=attr.GetName();
      if(name=="Name")
         m_name=attr.GetValue();
      else if(name== "Symbol")
         m_symbol = attr.GetValue();
      else if(name== "Magic")
         m_magic=(uint)attr.GetValue();
      else if(name=="Timeframe")
         m_timeframe=StringToTimeframe(attr.GetValue());
     }
   CheckParams();
  }
//+------------------------------------------------------------------+
//| >72@0I05B 8AB8=C, 5A;8 2A5 ?0@0<5B@K 703@C65=K ?@028;L=>.       |
//| >72@0I05B ;>6L 2 ?@>B82=>< A;CG05.                              |
//+------------------------------------------------------------------+
bool CParamsBase::IsValid(void)
  {
   return m_is_valid;
  }
//+------------------------------------------------------------------+
//| >72@0I05B <038G5A:89 =><5@ M:A?5@B0.                            |
//+------------------------------------------------------------------+
uint CParamsBase::Magic(void)
  {
   return m_magic;
  }
//+------------------------------------------------------------------+
//| >72@0I05B 8<O M:A?5@B0.                                         |
//+------------------------------------------------------------------+
string CParamsBase::Name(void)
  {
   return m_name;
  }
//+------------------------------------------------------------------+
//| >72@0I05B @01>G89 A8<2>; M:A?5@B0.                              |
//+------------------------------------------------------------------+
string CParamsBase::Symbol(void)
  {
   return m_symbol;
  }
//+------------------------------------------------------------------+
//| >72@0I05B @01>G89 B09<D@59< M:A?5@B0.                           |
//+------------------------------------------------------------------+
ENUM_TIMEFRAMES CParamsBase::Timeframe(void)
  {
   return m_timeframe;
  }
//+------------------------------------------------------------------+
//| >72@0I05B 8AB8=C, 5A;8 2A5 ?0@0<5B@K 2KAB02;5=K 25@=>.          |
//| >72@0I05B ;>6L 2 ?@>B82=>< A;CG05, 0 B0:65 2K405B               |
//| ?@54C?@5640NI55 A>>1I5=85 > B><, :0:85 ?0@0<5B@K                 |
//| CAB0=>2;5=K =5 25@=>.                                            |
//+------------------------------------------------------------------+
bool CParamsBase::CheckParams(void)
  {
   m_is_valid= true;
   if(m_name == "")
     {
      string text="Missing required XML attribute: 'Name'. Check XML strategy file";
      CMessage *msg=new CMessage(MESSAGE_ERROR,__FUNCTION__,text);
      Log.AddMessage(msg);
      m_is_valid=false;
     }
   if(m_magic==0)
     {
      string text="Missing required XML attribute: 'Magic'. Check XML strategy"+m_name+" file";
      CMessage *msg=new CMessage(MESSAGE_ERROR,__FUNCTION__,text);
      Log.AddMessage(msg);
      m_is_valid=false;
     }
   if(m_symbol=="")
     {
      string text="Missing required XML attribute: 'Symbol'. Check XML strategy"+m_name+" file";
      CMessage *msg=new CMessage(MESSAGE_ERROR,__FUNCTION__,text);
      Log.AddMessage(msg);
      m_is_valid=false;
     }
   if(m_timeframe==PERIOD_CURRENT)
     {
      string text="Missing required XML attribute: 'Timeframe'. Check XML strategy"+m_name+" file";
      CMessage *msg=new CMessage(MESSAGE_ERROR,__FUNCTION__,text);
      Log.AddMessage(msg);
      m_is_valid=false;
     }
   return m_is_valid;
  }
//+------------------------------------------------------------------+
//| >=25@B8@C5B AB@>:C 2 B09<D@5< B8?0 ENUM_TIMEFRAMES.             |
//+------------------------------------------------------------------+
ENUM_TIMEFRAMES CParamsBase::StringToTimeframe(string stf)
  {
   if(stf=="PERIOD_M1")
      return PERIOD_M1;
   else if(stf=="PERIOD_M2")
      return PERIOD_M2;
   else if(stf=="PERIOD_M3")
      return PERIOD_M3;
   else if(stf=="PERIOD_M4")
      return PERIOD_M4;
   else if(stf=="PERIOD_M5")
      return PERIOD_M5;
   else if(stf=="PERIOD_M6")
      return PERIOD_M6;
   else if(stf=="PERIOD_M10")
      return PERIOD_M10;
   else if(stf=="PERIOD_M12")
      return PERIOD_M12;
   else if(stf=="PERIOD_M15")
      return PERIOD_M15;
   else if(stf=="PERIOD_M20")
      return PERIOD_M20;
   else if(stf=="PERIOD_M30")
      return PERIOD_M30;
   else if(stf=="PERIOD_H1")
      return PERIOD_H1;
   else if(stf=="PERIOD_H2")
      return PERIOD_H2;
   else if(stf=="PERIOD_H3")
      return PERIOD_H3;
   else if(stf=="PERIOD_H4")
      return PERIOD_H4;
   else if(stf=="PERIOD_H6")
      return PERIOD_H6;
   else if(stf=="PERIOD_H8")
      return PERIOD_H8;
   else if(stf=="PERIOD_H12")
      return PERIOD_H12;
   else if(stf=="PERIOD_D1")
      return PERIOD_D1;
   else if(stf=="PERIOD_W1")
      return PERIOD_W1;
   else if(stf=="PERIOD_MN1")
      return PERIOD_MN1;
   return PERIOD_CURRENT;
  }
//+------------------------------------------------------------------+