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#include "lua/modules/luax.h"
#include "lua/common/je_lua_common.h"
#include "libjin/jin.h"
#include "je_lua_buffer.h"
namespace JinEngine
{
namespace Lua
{
const char* Jin_Lua_Buffer = "Buffer";
typedef Shared<Net::Buffer>& SharedBuffer;
static inline SharedBuffer checkNetBuffer(lua_State* L)
{
Proxy* proxy = (Proxy*)luax_checktype(L, 1, Jin_Lua_Buffer);
return proxy->getShared<Net::Buffer>();
}
// net.Buffer:append(value) -> value_length
LUA_IMPLEMENT int l_append(lua_State* L)
{
SharedBuffer shared = checkNetBuffer(L);
const int vp = 2;
if (luax_isintegerstrict(L, vp))
{
int n = luax_checkinteger(L, vp);
int size = sizeof(n);
shared->append(&n, size);
luax_pushinteger(L, size);
return 1;
}
else if (luax_isfloatstrict(L, vp))
{
float n = luax_checknumber(L, vp);
int size = sizeof(n);
shared->append(&n, size);
luax_pushinteger(L, size);
return 1;
}
else if (luax_isbooleanstrict(L, vp))
{
bool n = luax_checkbool(L, vp);
int size = sizeof(n);
shared->append(&n, size);
luax_pushinteger(L, size);
return 1;
}
else if (luax_isstringstrict(L, vp))
{
const char* str = luax_checkstring(L, vp);
int size = strlen(str) + 1;
shared->append(str, size);
luax_pushinteger(L, size);
return 1;
}
else
{
luax_typerror(L, vp, "number, bool or string");
return 0;
}
}
// net.Buffer:grabString(offset) -> string, length
LUA_IMPLEMENT int l_grabString(lua_State* L)
{
SharedBuffer shared = checkNetBuffer(L);
int offset = luax_checkinteger(L, 2);
unsigned int len;
char* data = shared->grabString(&len, offset);
Array<char> str;
str.bind(data, len);
luax_pushstring(L, &str);
luax_pushinteger(L, str.count());
return 2;
}
// net.Buffer:grabInteger(offset) -> integer, length
LUA_IMPLEMENT int l_grabInteger(lua_State* L)
{
SharedBuffer shared = checkNetBuffer(L);
int offset = luax_checkinteger(L, 2);
int len;
int integer = shared->grabInteger(&len, offset);
luax_pushinteger(L, integer);
luax_pushinteger(L, len);
return 2;
}
LUA_IMPLEMENT int l_grabFloat(lua_State* L)
{
SharedBuffer shared = checkNetBuffer(L);
int offset = luax_checkinteger(L, 2);
int len;
float floatv = shared->grabFloat(&len, offset);
luax_pushnumber(L, floatv);
luax_pushinteger(L, len);
return 2;
}
LUA_IMPLEMENT int l_grabBoolean(lua_State* L)
{
SharedBuffer shared = checkNetBuffer(L);
int offset = luax_checkinteger(L, 2);
int len;
bool boolean = shared->grabBoolean(&len, offset);
luax_pushboolean(L, boolean);
luax_pushinteger(L, len);
return 2;
}
LUA_IMPLEMENT int l_gc(lua_State* L)
{
Proxy* proxy = (Proxy*)luax_checktype(L, 1, Jin_Lua_Buffer);
proxy->release();
return 0;
}
LUA_EXPORT int luaopen_Buffer(lua_State* L)
{
luaL_Reg netbuffer_function[] = {
{ "__gc", l_gc },
{ "append", l_append },
{ "grabString", l_grabString },
{ "grabInteger", l_grabInteger },
{ "grabBoolean", l_grabBoolean },
{ "grabFloat", l_grabFloat },
{ 0, 0 }
};
luax_newtype(L, Jin_Lua_Buffer, netbuffer_function);
return 0;
}
} // namespace Lua
} // namespace JinEngine
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