LuaVec.h

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#ifndef LUAVEC
#define LUAVEC
 
#include <lua.h>
#include <vector>
 
struct LuaVec
{
    LuaVec(){}
 
    void read(lua_State * lua, int index)
    {
        elements = getNumericLuaTable(lua, index);
    }
 
    bool readField(lua_State * lua, const char * name)
    {
        int returnType = lua_getfield(lua, 1, name);
 
        if (returnType == LUA_TTABLE)
        {
            read(lua, 2);
            lua_pop(lua,1);
            return true;
        }
        else
        {
            lua_pop(lua,1);
            return false;
        }
    }
 
    bool readGlobal(lua_State * lua, const char * name)
    {
        int returnType = lua_getglobal(lua, name);
 
        if (returnType == LUA_TTABLE)
        {
            read(lua, 2);
            lua_pop(lua,1);
            return true;
        }
        else
        {
            lua_pop(lua,1);
            return false;
        }
    }
 
 
    double & operator [] (size_t i){ return elements[i]; }
 
    size_t size() const { return elements.size(); }
 
    operator std::vector<double>() { return elements; }
 
    std::vector<double> elements;
};
 
#endif /* LUAVEC */