// Fetches a context by index.
Context* GetContext(int index)
{
ContextMap::iterator i = contexts.begin();
int count = 0;
if (index >= GetNumContexts())
index = GetNumContexts() - 1;
while (count < index)
{
++i;
++count;
}
if (i == contexts.end())
return NULL;
return (*i).second;
}
//[1] is the object, [2] is the last used key, [3] is the userdata
int RocketContextsProxy__ipairs(lua_State* L)
{
RocketContextsProxy* obj = LuaType<RocketContextsProxy>::check(L,1);
LUACHECKOBJ(obj);
int* pindex = (int*)lua_touserdata(L,3);
if((*pindex) == -1)
*pindex = 0;
Context* value = NULL;
if((*pindex)++ < GetNumContexts())
{
value = GetContext(*pindex);
}
if(value == NULL)
{
lua_pushnil(L);
lua_pushnil(L);
}
else
{
lua_pushinteger(L,(*pindex)-1);
LuaType<Context>::push(L,value);
}
return 2;
}