src/charsetconverter.cpp

   1 #include "../include/charsetconverter.h"\r
   2 \r
   3 #include <vector>\r
   4 \r
   5 CharsetConverter::CharsetConverter()\r
   6 {\r
   7         m_iconv=(iconv_t)-1;\r
   8         m_fromcharset="";\r
   9         m_tocharset=""; \r
  10 }\r
  11 \r
  12 CharsetConverter::CharsetConverter(const std::string &fromcharset, const std::string &tocharset)\r
  13 {\r
  14         SetConversion(fromcharset,tocharset);\r
  15 }\r
  16 \r
  17 CharsetConverter::~CharsetConverter()\r
  18 {\r
  19         if(m_iconv!=(iconv_t)-1)\r
  20         {\r
  21                 iconv_close(m_iconv);\r
  22         }\r
  23 }\r
  24 \r
  25 const bool CharsetConverter::SetConversion(const std::string &fromcharset, const std::string &tocharset)\r
  26 {\r
  27         if(m_iconv!=(iconv_t)-1)\r
  28         {\r
  29                 iconv_close(m_iconv);\r
  30                 m_iconv=(iconv_t)-1;\r
  31         }\r
  32         if((m_iconv=iconv_open(tocharset.c_str(),fromcharset.c_str()))!=(iconv_t)-1)\r
  33         {\r
  34                 m_fromcharset=fromcharset;\r
  35                 m_tocharset=tocharset;\r
  36                 return true;    \r
  37         }\r
  38         else\r
  39         {\r
  40                 m_fromcharset="";\r
  41                 m_tocharset="";\r
  42         }\r
  43 }\r
  44 \r
  45 const bool CharsetConverter::Convert(const std::string &input, std::string &output)\r
  46 {\r
  47         if(m_iconv!=(iconv_t)-1)\r
  48         {\r
  49                 std::vector<char> invec(input.begin(),input.end());\r
  50                 std::vector<char> outvec(invec.size()*4,0);\r
  51 #ifdef _WIN32\r
  52                 const char *inptr=&invec[0];\r
  53 #else\r
  54                 char *inptr=&invec[0];\r
  55 #endif\r
  56                 char *outptr=&outvec[0];\r
  57                 size_t insize=invec.size();\r
  58                 size_t outsize=outvec.size();\r
  59                 size_t rval=0;\r
  60                 \r
  61                 rval=iconv(m_iconv,&inptr,&insize,&outptr,&outsize);\r
  62                 \r
  63                 if(outsize>=0)\r
  64                 {\r
  65                         outvec.resize(outptr-&outvec[0]);\r
  66                         output="";\r
  67                         output.append(outvec.begin(),outvec.end());\r
  68                 }\r
  69                 else\r
  70                 {\r
  71                         return false;\r
  72                 }\r
  73                 \r
  74         }\r
  75         else\r
  76         {\r
  77                 return false;   \r
  78         }\r
  79 }\r