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  1. // Example program
  2. #include <iostream>
  3. #include <string>
  4.  
  5. std::string ConvertCp874ToUtf8(const std::string& str_cp874) {
  6.   std::string utf8;
  7.   utf8.resize(str_cp874.length() * 3, ' ');
  8.   size_t i, j;
  9.   for (i = 0, j = 0; i < str_cp874.length(); i++)
  10.       {
  11.     //guard
  12.     if (str_cp874.length() - i >= 2)
  13.       if ((str_cp874[i] == 0xE0) &&
  14.           (str_cp874[i + 1] == 0xB8 ||
  15.               str_cp874[i + 1] == 0xB9)) {
  16.         return std::string();  // already converted.
  17.       }
  18.  
  19.     if (str_cp874[i] < 0xA1)  //english
  20.         {
  21.       utf8[j++] = str_cp874[i];
  22.     }
  23.     else if (str_cp874[i] < 0xE0)  //thai 1
  24.         {
  25.       utf8[j++] = 0xE0;
  26.       utf8[j++] = 0xB8;
  27.       utf8[j++] = str_cp874[i] - 0xA0 + 0x80;
  28.     }
  29.     else  //thai 2
  30.     {
  31.       utf8[j++] = 0xE0;
  32.       utf8[j++] = 0xB9;
  33.       utf8[j++] = str_cp874[i] - 0xE0 + 0x80;
  34.     }
  35.   }
  36.   utf8.resize(j);
  37.   return utf8;
  38. }
  39. int main()
  40. {
  41.     std::string name = "\xa1";
  42.     auto utf8name = ConvertCp874ToUtf8(name);
  43.     for( int i = 0 ;i< 3 ; i++){
  44.     	printf("%02x " , utf8name[i] );
  45.  
  46.     }
  47. }
  48.  
Success #stdin #stdout 0s 4388KB
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stdin
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Standard input is empty
stdout
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ffffffa1 00 20
https://ideone.com/BQsBcV
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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