diff options
Diffstat (limited to 'Sluift/Lua/Check.cpp')
-rw-r--r-- | Sluift/Lua/Check.cpp | 74 |
1 files changed, 41 insertions, 33 deletions
diff --git a/Sluift/Lua/Check.cpp b/Sluift/Lua/Check.cpp index cfb726a..b956623 100644 --- a/Sluift/Lua/Check.cpp +++ b/Sluift/Lua/Check.cpp @@ -1,60 +1,68 @@ /* - * Copyright (c) 2013 Remko Tronçon - * Licensed under the GNU General Public License. + * Copyright (c) 2013-2016 Isode Limited. + * All rights reserved. * See the COPYING file for more information. */ #include <Sluift/Lua/Check.h> -#include <boost/numeric/conversion/cast.hpp> -#include <iostream> #include <sstream> + +#include <boost/numeric/conversion/cast.hpp> + #include <lua.hpp> +#include <Swiften/Base/ByteArray.h> + #include <Sluift/Lua/Exception.h> using namespace Swift; static std::string getArgTypeError(lua_State* L, int arg, int tag) { - std::ostringstream s; - s << "Arg " << arg << ": expected " << lua_typename(L, tag) << ", got " << luaL_typename(L, arg); - return s.str(); + std::ostringstream s; + s << "Arg " << arg << ": expected " << lua_typename(L, tag) << ", got " << luaL_typename(L, arg); + return s.str(); } void Lua::checkType(lua_State* L, int arg, int type) { - if (lua_type(L, arg) != type) { - throw Lua::Exception(getArgTypeError(L, arg, type)); - } + if (lua_type(L, arg) != type) { + throw Lua::Exception(getArgTypeError(L, arg, type)); + } } int Lua::checkIntNumber(lua_State* L, int arg) { - if (!lua_isnumber(L, arg)) { - throw Lua::Exception(getArgTypeError(L, arg, LUA_TNUMBER)); - } - return boost::numeric_cast<int>(lua_tonumber(L, arg)); + if (!lua_isnumber(L, arg)) { + throw Lua::Exception(getArgTypeError(L, arg, LUA_TNUMBER)); + } + return boost::numeric_cast<int>(lua_tonumber(L, arg)); } std::string Lua::checkString(lua_State* L, int arg) { - const char *s = lua_tolstring(L, arg, NULL); - if (!s) { - throw Lua::Exception(getArgTypeError(L, arg, LUA_TSTRING)); - } - return std::string(s); + const char *s = lua_tolstring(L, arg, nullptr); + if (!s) { + throw Lua::Exception(getArgTypeError(L, arg, LUA_TSTRING)); + } + return std::string(s); +} + +ByteArray Lua::checkByteArray(lua_State* L, int arg) { + size_t len; + const char *s = lua_tolstring(L, arg, &len); + if (!s) { + throw Lua::Exception(getArgTypeError(L, arg, LUA_TSTRING)); + } + return createByteArray(s, len); } -void* Lua::checkUserDataRaw(lua_State* L, int arg, const char* tableName) { - void* userData = lua_touserdata(L, arg); - if (!userData) { - throw Lua::Exception(getArgTypeError(L, arg, LUA_TUSERDATA)); - } - if (!lua_getmetatable(L, arg)) { - throw Lua::Exception(getArgTypeError(L, arg, LUA_TUSERDATA)); - } - lua_getfield(L, LUA_REGISTRYINDEX, tableName); - if (!lua_rawequal(L, -1, -2)) { - throw Lua::Exception(getArgTypeError(L, arg, LUA_TUSERDATA)); - } - lua_pop(L, 2); - return userData; +void* Lua::checkUserDataRaw(lua_State* L, int arg) { + void* userData = lua_touserdata(L, arg); + if (!userData) { + throw Lua::Exception(getArgTypeError(L, arg, LUA_TUSERDATA)); + } + if (!lua_getmetatable(L, arg)) { + throw Lua::Exception(getArgTypeError(L, arg, LUA_TUSERDATA)); + } + lua_pop(L, 1); + return userData; } |