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                 return false;\r
  43         }\r
  44 }\r
  45 \r
  46 const bool CharsetConverter::Convert(const std::string &input, std::string &output)\r
  47 {\r
  48         if(m_iconv!=(iconv_t)-1)\r
  49         {\r
  50                 std::vector<char> invec(input.begin(),input.end());\r
  51                 std::vector<char> outvec(invec.size()*4,0);\r
  52 #if defined(_WIN32) //|| defined(__APPLE__) || defined(__DARWIN__)\r
  53                 const char *inptr=&invec[0];\r
  54 #else\r
  55                 char *inptr=&invec[0];\r
  56 #endif\r
  57                 char *outptr=&outvec[0];\r
  58                 size_t insize=invec.size();\r
  59                 size_t outsize=outvec.size();\r
  60                 size_t rval=0;\r
  61                 \r
  62                 rval=iconv(m_iconv,&inptr,&insize,&outptr,&outsize);\r
  63                 \r
  64                 if(outsize>=0)\r
  65                 {\r
  66                         outvec.resize(outptr-&outvec[0]);\r
  67                         output="";\r
  68                         output.append(outvec.begin(),outvec.end());\r
  69                         return true;\r
  70                 }\r
  71                 else\r
  72                 {\r
  73                         return false;\r
  74                 }\r
  75                 \r
  76         }\r
  77         else\r
  78         {\r
  79                 return false;   \r
  80         }\r
  81 }\r