external/squirrel/sqstdlib/sqstdsystem.cpp

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