mirror of
https://github.com/love2d/love.git
synced 2026-08-15 07:41:11 +02:00
Alex Szpakowski
137 lines
3.3 KiB
C++
137 lines
3.3 KiB
C++
/**
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* Copyright (c) 2006-2010 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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// LOVE
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#include "wrap_ThreadModule.h"
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#include "wrap_LuaThread.h"
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#include "wrap_Channel.h"
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#include "ThreadModule.h"
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#include "filesystem/File.h"
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#include "filesystem/FileData.h"
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// C
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#include <cstring>
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namespace love
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{
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namespace thread
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{
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#define instance() (Module::getInstance<ThreadModule>(Module::M_THREAD))
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int w_newThread(lua_State *L)
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{
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std::string name = "Thread code";
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love::Data *data = nullptr;
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if (lua_isstring(L, 1))
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{
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size_t slen = 0;
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const char *str = lua_tolstring(L, 1, &slen);
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// Treat the string as Lua code if it's long or has a newline.
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if (slen >= 1024 || memchr(str, '\n', slen))
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{
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// Construct a FileData from the string.
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lua_pushvalue(L, 1);
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lua_pushstring(L, "string");
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int idxs[] = {lua_gettop(L) - 1, lua_gettop(L)};
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luax_convobj(L, idxs, 2, "filesystem", "newFileData");
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lua_pop(L, 1);
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lua_replace(L, 1);
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}
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else
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luax_convobj(L, 1, "filesystem", "newFileData");
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}
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else if (luax_istype(L, 1, FILESYSTEM_FILE_ID))
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luax_convobj(L, 1, "filesystem", "newFileData");
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if (luax_istype(L, 1, FILESYSTEM_FILE_DATA_ID))
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{
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love::filesystem::FileData *fdata = luax_checktype<love::filesystem::FileData>(L, 1, FILESYSTEM_FILE_DATA_ID);
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name = std::string("@") + fdata->getFilename();
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data = fdata;
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}
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else
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{
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data = luax_checktype<love::Data>(L, 1, DATA_ID);
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}
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LuaThread *t = instance()->newThread(name, data);
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luax_pushtype(L, THREAD_THREAD_ID, t);
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t->release();
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return 1;
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}
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int w_newChannel(lua_State *L)
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{
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Channel *c = instance()->newChannel();
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luax_pushtype(L, THREAD_CHANNEL_ID, c);
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c->release();
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return 1;
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}
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int w_getChannel(lua_State *L)
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{
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std::string name = luax_checkstring(L, 1);
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Channel *c = instance()->getChannel(name);
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luax_pushtype(L, THREAD_CHANNEL_ID, c);
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c->release();
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return 1;
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}
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// List of functions to wrap.
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static const luaL_Reg module_functions[] = {
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{ "newThread", w_newThread },
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{ "newChannel", w_newChannel },
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{ "getChannel", w_getChannel },
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{ 0, 0 }
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};
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static const lua_CFunction types[] = {
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luaopen_thread,
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luaopen_channel,
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0
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};
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extern "C" int luaopen_love_thread(lua_State *L)
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{
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ThreadModule *instance = instance();
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if (instance == nullptr)
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{
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luax_catchexcept(L, [&](){ instance = new love::thread::ThreadModule(); });
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}
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else
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instance->retain();
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WrappedModule w;
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w.module = instance;
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w.name = "thread";
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w.type = MODULE_ID;
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w.functions = module_functions;
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w.types = types;
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return luax_register_module(L, w);
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}
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} // thread
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} // love
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