1 files changed, 197 insertions, 0 deletions
diff --git a/src/lua/tolua_gp.c b/src/lua/tolua_gp.c
new file mode 100644
index 00000000..77ff0c26
--- /dev/null
+++ b/src/lua/tolua_gp.c
@@ -0,0 +1,197 @@
+/* tolua: get & push functions.
+** Support code for Lua bindings.
+** Written by Waldemar Celes
+** TeCGraf/PUC-Rio
+** Jul 1998
+** $Id: tolua_gp.c,v 1.2 2001/11/26 23:00:27 darkgod Exp $
+*/
+
+/* This code is free software; you can redistribute it and/or modify it. 
+** The software provided hereunder is on an "as is" basis, and 
+** the author has no obligation to provide maintenance, support, updates,
+** enhancements, or modifications. 
+*/
+
+#include "tolua.h"
+#include "tolua_tm.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+long tolua_getnumber (lua_State* L, int narg, long def)
+{
+ return lua_gettop(L)<abs(narg) ? def : lua_tonumber(L,narg);
+}
+
+const char* tolua_getstring (lua_State* L, int narg, const char* def)
+{
+ return lua_gettop(L)<abs(narg) ? def : lua_tostring(L,narg);
+}
+
+void* tolua_getuserdata (lua_State* L, int narg, void* def)
+{
+ return lua_gettop(L)<abs(narg) ? def : lua_touserdata(L,narg);
+}
+
+void* tolua_getusertype (lua_State* L, int narg, void* def)
+{
+ return lua_gettop(L)<abs(narg) ? def : lua_touserdata(L,narg);
+}
+
+int tolua_getvalue (lua_State* L, int narg, int def)
+{
+ return lua_gettop(L)<abs(narg) ? def : narg;
+}
+
+int tolua_getbool (lua_State* L, int narg, int def)
+{
+ return lua_gettop(L)<abs(narg) ? 
+         def : 
+         lua_isnil(L,narg) ? 0 : lua_tonumber(L,narg)!=0;
+}
+
+long tolua_getfieldnumber (lua_State* L, int lo, int index, long def)
+{
+ long v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : lua_tonumber(L,-1);
+ lua_pop(L,1);
+ return v;
+}
+
+const char* tolua_getfieldstring 
+(lua_State* L, int lo, int index, const char* def)
+{
+ const char* v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : lua_tostring(L,-1);
+ lua_pop(L,1);
+ return v;
+}
+
+void* tolua_getfielduserdata (lua_State* L, int lo, int index, void* def)
+{
+ void* v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : lua_touserdata(L,-1);
+ lua_pop(L,1);
+ return v;
+}
+
+void* tolua_getfieldusertype (lua_State* L, int lo, int index, void* def)
+{
+ void* v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : lua_touserdata(L,-1);
+ lua_pop(L,1);
+ return v;
+}
+
+int tolua_getfieldvalue (lua_State* L, int lo, int index, int def)
+{
+ int v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : lo;
+ lua_pop(L,1);
+ return v;
+}
+
+int tolua_getfieldbool (lua_State* L, int lo, int index, int def)
+{
+ int v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? 0 : lua_tonumber(L,-1)!=0;
+ lua_pop(L,1);
+ return v;
+}
+
+void tolua_pushnumber (lua_State* L, long value)
+{
+ lua_pushnumber(L,value);
+}
+
+void tolua_pushstring (lua_State* L, const char* value)
+{
+ if (value == NULL)
+  lua_pushnil(L);
+ else
+  lua_pushstring(L,value);
+}
+
+void tolua_pushuserdata (lua_State* L, void* value)
+{
+ if (value == NULL)
+  lua_pushnil(L);
+ else
+  lua_pushuserdata(L,value);
+}
+
+void tolua_pushusertype (lua_State* L, void* value, int tag)
+{
+ if (value == NULL)
+  lua_pushnil(L);
+ else
+  lua_pushusertag(L,value,tag);
+}
+
+void tolua_pushvalue (lua_State* L, int lo)
+{
+ lua_pushvalue(L,lo);
+}
+
+void tolua_pushbool (lua_State* L, int value)
+{
+ if (value)
+  lua_pushnumber(L,(long)value);
+ else
+  lua_pushnil(L);
+}
+
+void tolua_pushfieldnumber (lua_State* L, int lo, int index, long v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushnumber(L,v);
+ lua_settable(L,lo);
+}
+
+void tolua_pushfieldstring (lua_State* L, int lo, int index, char* v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushstring(L,v);
+ lua_settable(L,lo);
+}
+
+void tolua_pushfielduserdata (lua_State* L, int lo, int index, void* v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushuserdata(L,v);
+ lua_settable(L,lo);
+}
+
+void tolua_pushfieldusertype (lua_State* L, int lo, int index, void* v, int tag)
+{
+ lua_pushnumber(L,index);
+ tolua_pushusertype(L,v,tag);
+ lua_settable(L,lo);
+}
+
+void tolua_pushfieldvalue (lua_State* L, int lo, int index, int v)
+{
+ lua_pushnumber(L,index);
+ lua_pushvalue(L,v);
+ lua_settable(L,lo);
+}
+
+void tolua_pushfieldbool (lua_State* L, int lo, int index, int v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushbool(L,v);
+ lua_settable(L,lo);
+}
+