Stringlib

Ubuntu 11.10

//+------------------------------------------------------------------+

//|                                                    stringlib.mqh |

//|                                       Copyright Bogdan Caramalac |

//|                                           http://mqlmagazine.com |

//+------------------------------------------------------------------+

#property copyright "Bogdan Caramalac"

#property link      "http://mqlmagazine.com"

string ANSI2UNICODE(string s)

  {

   ushort mychar;

   long m,d;

   double mm,dd;

   string img;    

   string res="";

   if (StringLen(s)>0)

     {

      string g=" ";

      for (int i=0;i<StringLen(s);i++)

         {          

          string f="  ";          

          mychar=ushort(StringGetCharacter(s,i));

          mm=MathMod(mychar,256);

          img=DoubleToString(mm,0);

          m=StringToInteger(img);

          dd=(mychar-m)/256;

          img=DoubleToString(dd,0);

          d=StringToInteger(img);

          if (m!=0)

            {

             StringSetCharacter(f,0,ushort(m));

             StringSetCharacter(f,1,ushort(d));

             StringConcatenate(res,res,f);

            }//if (m!=0)

          else

            break;                      

         }//for (int i=0;i<StringLen(s);i++)

      }//if (StringLen(s)>0)

   return(res);

  }

string UNICODE2ANSI(string s)

  {

   int leng,ipos;

   uchar m,d;

   ulong big;

   leng=StringLen(s);

   string unichar;

   string res="";

   if (leng!=0)

     {    

      unichar=" ";

      ipos=0;      

      while (ipos<leng)

        { //uchar typecasted because each double byte char is actually one byte

         m=uchar(StringGetCharacter(s,ipos));

         if (ipos+1<leng)

           d=uchar(StringGetCharacter(s,ipos+1));

         else

           d=0;

         big=d*256+m;                

         StringSetCharacter(unichar,0,ushort(big));         

         StringConcatenate(res,res,unichar);    

         ipos=ipos+2;

        }

     }

   return(res);

  }