lib/src/http/NyLPC_cUrlEncode.c

   1 #include "NyLPC_cUrlEncode.h"\r
   2 #include <stdarg.h>\r
   3 #include <ctype.h>\r
   4 \r
   5 \r
   6 NyLPC_TBool NyLPC_cUrlEncode_initialize(NyLPC_TcUrlEncode_t* i_inst)\r
   7 {\r
   8     i_inst->_len=0;\r
   9     return NyLPC_TBool_TRUE;\r
  10 }\r
  11 \r
  12 \r
  13 NyLPC_TcUrlEncode_ST NyLPC_cUrlEncode_decode(NyLPC_TcUrlEncode_t* i_inst,NyLPC_TChar c,NyLPC_TChar* out)\r
  14 {\r
  15     int t;\r
  16     if(c=='%'){\r
  17         if(i_inst->_len!=0){\r
  18             NyLPC_OnErrorGoto(Error);\r
  19         }\r
  20         i_inst->_len=1;\r
  21         return NyLPC_TcUrlEncode_ST_NEXT;\r
  22     }else{\r
  23         switch(i_inst->_len){\r
  24         case 0:\r
  25             *out=c;\r
  26             return NyLPC_TcUrlEncode_ST_DONE;\r
  27         case 1:\r
  28             if(!isxdigit((int)c)){\r
  29                 NyLPC_OnErrorGoto(Error);\r
  30             }\r
  31             t=NyLPC_ctox(c);\r
  32             i_inst->v=(NyLPC_TChar)t;//16進文字→HEX\r
  33             i_inst->_len++;\r
  34             return NyLPC_TcUrlEncode_ST_NEXT;\r
  35         case 2:\r
  36             if(!isxdigit((int)c)){\r
  37                 NyLPC_OnErrorGoto(Error);\r
  38             }\r
  39             t=NyLPC_ctox(c);\r
  40             *out=(NyLPC_TChar)((i_inst->v<<4) | t);\r
  41             i_inst->v=0;\r
  42             i_inst->_len=0;\r
  43             return NyLPC_TcUrlEncode_ST_DONE;\r
  44         default:\r
  45             NyLPC_OnErrorGoto(Error);\r
  46         }\r
  47     }\r
  48 Error:\r
  49     i_inst->v=0;\r
  50     i_inst->_len=0;\r
  51     return NyLPC_TcUrlEncode_ST_ERROR;\r
  52 }\r