external/squirrel/sqstdlib/sqstdsystem.cpp

   1 /* see copyright notice in squirrel.h */\r
   2 #include <squirrel.h>\r
   3 #include <time.h>\r
   4 #include <stdlib.h>\r
   5 #include <stdio.h>\r
   6 #include <sqstdsystem.h>\r
   7 \r
   8 #ifdef SQUNICODE\r
   9 #include <wchar.h>\r
  10 #define scgetenv _wgetenv\r
  11 #define scsystem _wsystem\r
  12 #define scasctime _wasctime\r
  13 #define scremove _wremove\r
  14 #define screname _wrename\r
  15 #else\r
  16 #define scgetenv getenv\r
  17 #define scsystem system\r
  18 #define scasctime asctime\r
  19 #define scremove remove\r
  20 #define screname rename\r
  21 #endif\r
  22 \r
  23 static SQInteger _system_getenv(HSQUIRRELVM v)\r
  24 {\r
  25         const SQChar *s;\r
  26         if(SQ_SUCCEEDED(sq_getstring(v,2,&s))){\r
  27         sq_pushstring(v,scgetenv(s),-1);\r
  28                 return 1;\r
  29         }\r
  30         return 0;\r
  31 }\r
  32 \r
  33 \r
  34 static SQInteger _system_system(HSQUIRRELVM v)\r
  35 {\r
  36         const SQChar *s;\r
  37         if(SQ_SUCCEEDED(sq_getstring(v,2,&s))){\r
  38                 sq_pushinteger(v,scsystem(s));\r
  39                 return 1;\r
  40         }\r
  41         return sq_throwerror(v,_SC("wrong param"));\r
  42 }\r
  43 \r
  44 \r
  45 static SQInteger _system_clock(HSQUIRRELVM v)\r
  46 {\r
  47         sq_pushfloat(v,((SQFloat)clock())/(SQFloat)CLOCKS_PER_SEC);\r
  48         return 1;\r
  49 }\r
  50 \r
  51 static SQInteger _system_time(HSQUIRRELVM v)\r
  52 {\r
  53         time_t t;\r
  54         time(&t);\r
  55         sq_pushinteger(v,*((SQInteger *)&t));\r
  56         return 1;\r
  57 }\r
  58 \r
  59 static SQInteger _system_remove(HSQUIRRELVM v)\r
  60 {\r
  61         const SQChar *s;\r
  62         sq_getstring(v,2,&s);\r
  63         if(scremove(s)==-1)\r
  64                 return sq_throwerror(v,_SC("remove() failed"));\r
  65         return 0;\r
  66 }\r
  67 \r
  68 static SQInteger _system_rename(HSQUIRRELVM v)\r
  69 {\r
  70         const SQChar *oldn,*newn;\r
  71         sq_getstring(v,2,&oldn);\r
  72         sq_getstring(v,3,&newn);\r
  73         if(screname(oldn,newn)==-1)\r
  74                 return sq_throwerror(v,_SC("rename() failed"));\r
  75         return 0;\r
  76 }\r
  77 \r
  78 static void _set_integer_slot(HSQUIRRELVM v,const SQChar *name,SQInteger val)\r
  79 {\r
  80         sq_pushstring(v,name,-1);\r
  81         sq_pushinteger(v,val);\r
  82         sq_rawset(v,-3);\r
  83 }\r
  84 \r
  85 static SQInteger _system_date(HSQUIRRELVM v)\r
  86 {\r
  87         time_t t;\r
  88         SQInteger it;\r
  89         SQInteger format = 'l';\r
  90         if(sq_gettop(v) > 1) {\r
  91                 sq_getinteger(v,2,&it);\r
  92                 t = it;\r
  93                 if(sq_gettop(v) > 2) {\r
  94                         sq_getinteger(v,3,(SQInteger*)&format);\r
  95                 }\r
  96         }\r
  97         else {\r
  98                 time(&t);\r
  99         }\r
 100         tm *date;\r
 101     if(format == 'u')\r
 102                 date = gmtime(&t);\r
 103         else\r
 104                 date = localtime(&t);\r
 105         if(!date)\r
 106                 return sq_throwerror(v,_SC("crt api failure"));\r
 107         sq_newtable(v);\r
 108         _set_integer_slot(v, _SC("sec"), date->tm_sec);\r
 109     _set_integer_slot(v, _SC("min"), date->tm_min);\r
 110     _set_integer_slot(v, _SC("hour"), date->tm_hour);\r
 111     _set_integer_slot(v, _SC("day"), date->tm_mday);\r
 112     _set_integer_slot(v, _SC("month"), date->tm_mon);\r
 113     _set_integer_slot(v, _SC("year"), date->tm_year+1900);\r
 114     _set_integer_slot(v, _SC("wday"), date->tm_wday);\r
 115     _set_integer_slot(v, _SC("yday"), date->tm_yday);\r
 116         return 1;\r
 117 }\r
 118 \r
 119 \r
 120 \r
 121 #define _DECL_FUNC(name,nparams,pmask) {_SC(#name),_system_##name,nparams,pmask}\r
 122 static SQRegFunction systemlib_funcs[]={\r
 123         _DECL_FUNC(getenv,2,_SC(".s")),\r
 124         _DECL_FUNC(system,2,_SC(".s")),\r
 125         _DECL_FUNC(clock,1,NULL),\r
 126         _DECL_FUNC(time,1,NULL),\r
 127         _DECL_FUNC(date,-1,_SC(".nn")),\r
 128         _DECL_FUNC(remove,2,_SC(".s")),\r
 129         _DECL_FUNC(rename,3,_SC(".ss")),\r
 130         {0,0}\r
 131 };\r
 132 \r
 133 \r
 134 SQInteger sqstd_register_systemlib(HSQUIRRELVM v)\r
 135 {\r
 136         SQInteger i=0;\r
 137         while(systemlib_funcs[i].name!=0)\r
 138         {\r
 139                 sq_pushstring(v,systemlib_funcs[i].name,-1);\r
 140                 sq_newclosure(v,systemlib_funcs[i].f,0);\r
 141                 sq_setparamscheck(v,systemlib_funcs[i].nparamscheck,systemlib_funcs[i].typemask);\r
 142                 sq_setnativeclosurename(v,-1,systemlib_funcs[i].name);\r
 143                 sq_createslot(v,-3);\r
 144                 i++;\r
 145         }\r
 146         return 1;\r
 147 }\r