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#include "../data_buffer.h"
using namespace Luax;
namespace AsuraEngine
{
namespace IO
{
LUAX_REGISTRY(DataBuffer)
{
LUAX_REGISTER_METHODS(state,
{ "New", _New },
{ "GetBuffer", _GetData },
{ "GetSize", _GetSize },
{ "Load", _Load },
{ "Clear", _Clear }
);
}
LUAX_POSTPROCESS(DataBuffer)
{
}
// databuffer = DataBuffer.New(lstring)
// databuffer = DataBuffer.New(size)
LUAX_IMPL_METHOD(DataBuffer, _New)
{
LUAX_STATE(L);
if (state.IsType(1, LUA_TSTRING))
{
byte* bytes;
size_t size;
lua_tolstring(L, 1, &size);
DataBuffer* buffer = new DataBuffer(bytes, size);
buffer->PushLuaxUserdata(state);
return 1;
}
else if (state.IsType(1, LUA_TNUMBER))
{
size_t size = lua_tonumber(L, 1);
DataBuffer* buffer = new DataBuffer(size);
buffer->PushLuaxUserdata(state);
}
else
{
return state.ErrorType(1, "number or string");
}
}
// lsting, len = databuffer:GetBuffer()
LUAX_IMPL_METHOD(DataBuffer, _GetData)
{
LUAX_SETUP(L, "U");
DataBuffer* self = state.GetUserdata<DataBuffer>(1);
lua_pushlstring(L, self->GetData(), self->GetSize());
return 2;
}
// length = databuffer:GetSize()
LUAX_IMPL_METHOD(DataBuffer, _GetSize)
{
LUAX_SETUP(L, "U");
DataBuffer* self = state.GetUserdata<DataBuffer>(1);
lua_pushinteger(L, self->GetSize());
return 1;
}
// databuffer:Load(lstring)
// databuffer:Load(src)
LUAX_IMPL_METHOD(DataBuffer, _Load)
{
LUAX_STATE(L);
DataBuffer* buffer = state.GetUserdata<DataBuffer>(1);
const byte* data;
size_t size;
if (state.IsType(2, LUA_TSTRING))
{
data = lua_tolstring(L, 2, &size);
buffer->Load(data, size);
return 0;
}
else if(state.IsType(2, LUA_TUSERDATA))
{
DataBuffer* src = state.CheckUserdata<DataBuffer>(2);
buffer->Load(*src);
return 0;
}
else
{
return state.ErrorType(1, "lstring or DataBuffer");
}
}
// databuffer:Clear()
LUAX_IMPL_METHOD(DataBuffer, _Clear)
{
LUAX_SETUP(L, "U");
DataBuffer* self = state.GetUserdata<DataBuffer>(1);
self->Clear();
return 0;
}
}
}
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