Source

love-canvas_getPixel / src / modules / thread / wrap_Thread.cpp

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File src/modules/thread/wrap_Thread.cpp

-/**
- * Copyright (c) 2006-2010 LOVE Development Team
- *
- * This software is provided 'as-is', without any express or implied
- * warranty.  In no event will the authors be held liable for any damages
- * arising from the use of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- *    claim that you wrote the original software. If you use this software
- *    in a product, an acknowledgment in the product documentation would be
- *    appreciated but is not required.
- * 2. Altered source versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- **/
-
-#include "wrap_Thread.h"
-
-namespace love
-{
-namespace thread
-{
-
-Thread *luax_checkthread(lua_State *L, int idx)
-{
-	return luax_checktype<Thread>(L, idx, "Thread", THREAD_THREAD_T);
-}
-
-int w_Thread_start(lua_State *L)
-{
-	Thread *t = luax_checkthread(L, 1);
-	t->start();
-	return 0;
-}
-
-int w_Thread_wait(lua_State *L)
-{
-	Thread *t = luax_checkthread(L, 1);
-	t->wait();
-	return 0;
-}
-
-int w_Thread_getName(lua_State *L)
-{
-	Thread *t = luax_checkthread(L, 1);
-	// allow names containing \0
-	luax_pushstring(L, t->getName());
-	return 1;
-}
-
-
-int w_Thread_get(lua_State *L)
-{
-	Thread *t = luax_checkthread(L, 1);
-	std::string name = luax_checkstring(L, 2);
-	t->lock();
-	Variant *v = t->get(name);
-	t->clear(name);
-	t->unlock();
-	if (!v)
-	{
-		lua_pushnil(L);
-		return 1;
-	}
-	v->toLua(L);
-	t->lock();
-	v->release();
-	t->unlock();
-	return 1;
-}
-
-int w_Thread_getKeys(lua_State *L)
-{
-	Thread *t = luax_checkthread(L, 1);
-	t->lock();
-	std::vector<std::string> keys = t->getKeys();
-	t->unlock();
-	lua_createtable(L, keys.size(), 0);
-	int i = 1;
-	for (std::vector<std::string>::iterator it = keys.begin(); it != keys.end(); it++)
-	{
-		lua_pushnumber(L, i++);
-		luax_pushstring(L, *it);
-		lua_settable(L, -3);
-	}
-	return 1;
-}
-
-int w_Thread_demand(lua_State *L)
-{
-	Thread *t = luax_checkthread(L, 1);
-	std::string name = luax_checkstring(L, 2);
-	t->lock();
-	Variant *v = t->demand(name);
-	t->clear(name);
-	t->unlock();
-	if (!v)
-	{
-		lua_pushnil(L);
-		return 1;
-	}
-	v->toLua(L);
-	t->lock();
-	v->release();
-	t->unlock();
-	return 1;
-}
-
-int w_Thread_peek(lua_State *L)
-{
-	Thread *t = luax_checkthread(L, 1);
-	std::string name = luax_checkstring(L, 2);
-	t->lock();
-	Variant *v = t->get(name);
-	t->unlock();
-	if (!v)
-	{
-		lua_pushnil(L);
-		return 1;
-	}
-	v->toLua(L);
-	t->lock();
-	v->release();
-	t->unlock();
-	return 1;
-}
-
-
-int w_Thread_set(lua_State *L)
-{
-	Thread *t = luax_checkthread(L, 1);
-	std::string name = luax_checkstring(L, 2);
-	Variant *v = Variant::fromLua(L, 3);
-	if (!v)
-		return luaL_error(L, "Expected boolean, number, string or userdata");
-	t->set(name, v);
-	t->lock();
-	v->release();
-	t->unlock();
-	return 0;
-}
-
-static const luaL_Reg type_functions[] =
-{
-	{ "start", w_Thread_start },
-	{ "wait", w_Thread_wait },
-	{ "getName", w_Thread_getName },
-	{ "get", w_Thread_get },
-	{ "getKeys", w_Thread_getKeys },
-	{ "demand", w_Thread_demand },
-	{ "peek", w_Thread_peek },
-	{ "set", w_Thread_set },
-	{ 0, 0 }
-};
-
-extern "C" int luaopen_thread(lua_State *L)
-{
-	return luax_register_type(L, "Thread", type_functions);
-}
-
-static ThreadModule *instance;
-
-int w_newThread(lua_State *L)
-{
-	std::string name = luax_checkstring(L, 1);
-	love::Data *data;
-	if (lua_isstring(L, 2))
-		luax_convobj(L, 2, "filesystem", "newFile");
-	if (luax_istype(L, 2, FILESYSTEM_FILE_T))
-	{
-		try
-		{
-			data = luax_checktype<love::filesystem::File>(L, 2, "File", FILESYSTEM_FILE_T)->read();
-		}
-		catch(love::Exception &e)
-		{
-			return luaL_error(L, e.what());
-		}
-	}
-	else
-	{
-		data = luax_checktype<love::Data>(L, 2, "Data", DATA_T);
-		data->retain();
-	}
-	Thread *t = instance->newThread(name, data);
-	// do not worry, file->read() returns retained data
-	data->release();
-	if (!t)
-		return luaL_error(L, "A thread with that name already exists.");
-	luax_newtype(L, "Thread", THREAD_THREAD_T, (void *)t);
-	return 1;
-}
-
-int w_getThreads(lua_State *L)
-{
-	unsigned count = instance->getThreadCount();
-	Thread **list = new Thread*[count];
-	instance->getThreads(list);
-	lua_newtable(L);
-	for (unsigned int i = 0; i<count; i++)
-	{
-		// allow names containing \0
-		luax_pushstring(L, list[i]->getName());
-		luax_newtype(L, "Thread", THREAD_THREAD_T, (void *) list[i]);
-		list[i]->lock();
-		list[i]->retain();
-		list[i]->unlock();
-		lua_settable(L, -3);
-	}
-	delete[] list;
-	return 1;
-}
-
-int w_getThread(lua_State *L)
-{
-	if (lua_isnoneornil(L, 1))
-	{
-		lua_getglobal(L, "love");
-		lua_getfield(L, -1, "_curthread");
-		return 1;
-	}
-	std::string name = luax_checkstring(L, 1);
-	Thread *t = instance->getThread(name);
-	if (t)
-	{
-		luax_newtype(L, "Thread", THREAD_THREAD_T, (void *)t);
-		t->lock();
-		t->retain();
-		t->unlock();
-	}
-	else
-		lua_pushnil(L);
-	return 1;
-}
-
-
-// List of functions to wrap.
-static const luaL_Reg module_functions[] =
-{
-	{ "newThread", w_newThread },
-	{ "getThread", w_getThread },
-	{ "getThreads", w_getThreads },
-	{ 0, 0 }
-};
-
-static const lua_CFunction types[] =
-{
-	luaopen_thread,
-	0
-};
-
-extern "C" int luaopen_love_thread(lua_State *L)
-{
-	if (instance == 0)
-	{
-		try
-		{
-			instance = new ThreadModule();
-			lua_getglobal(L, "love");
-			Thread *curthread = instance->getThread("main");
-			curthread->lock();
-			curthread->retain();
-			curthread->unlock();
-			luax_newtype(L, "Thread", THREAD_THREAD_T, (void *)curthread);
-			lua_setfield(L, -2, "_curthread");
-		}
-		catch(Exception &e)
-		{
-			return luaL_error(L, e.what());
-		}
-	}
-	else
-		instance->retain();
-
-	WrappedModule w;
-	w.module = instance;
-	w.name = "thread";
-	w.flags = MODULE_T;
-	w.functions = module_functions;
-	w.types = types;
-
-	return luax_register_module(L, w);
-}
-
-} // thread
-} // love
+/**
+ * Copyright (c) 2006-2010 LOVE Development Team
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ **/
+
+#include "wrap_Thread.h"
+
+namespace love
+{
+namespace thread
+{
+
+Thread *luax_checkthread(lua_State *L, int idx)
+{
+	return luax_checktype<Thread>(L, idx, "Thread", THREAD_THREAD_T);
+}
+
+int w_Thread_start(lua_State *L)
+{
+	Thread *t = luax_checkthread(L, 1);
+	t->start();
+	return 0;
+}
+
+int w_Thread_wait(lua_State *L)
+{
+	Thread *t = luax_checkthread(L, 1);
+	t->wait();
+	return 0;
+}
+
+int w_Thread_getName(lua_State *L)
+{
+	Thread *t = luax_checkthread(L, 1);
+	// allow names containing \0
+	luax_pushstring(L, t->getName());
+	return 1;
+}
+
+
+int w_Thread_get(lua_State *L)
+{
+	Thread *t = luax_checkthread(L, 1);
+	std::string name = luax_checkstring(L, 2);
+	t->lock();
+	Variant *v = t->get(name);
+	t->clear(name);
+	t->unlock();
+	if (!v)
+	{
+		lua_pushnil(L);
+		return 1;
+	}
+	v->toLua(L);
+	t->lock();
+	v->release();
+	t->unlock();
+	return 1;
+}
+
+int w_Thread_getKeys(lua_State *L)
+{
+	Thread *t = luax_checkthread(L, 1);
+	t->lock();
+	std::vector<std::string> keys = t->getKeys();
+	t->unlock();
+	lua_createtable(L, keys.size(), 0);
+	int i = 1;
+	for (std::vector<std::string>::iterator it = keys.begin(); it != keys.end(); it++)
+	{
+		lua_pushnumber(L, i++);
+		luax_pushstring(L, *it);
+		lua_settable(L, -3);
+	}
+	return 1;
+}
+
+int w_Thread_demand(lua_State *L)
+{
+	Thread *t = luax_checkthread(L, 1);
+	std::string name = luax_checkstring(L, 2);
+	t->lock();
+	Variant *v = t->demand(name);
+	t->clear(name);
+	t->unlock();
+	if (!v)
+	{
+		lua_pushnil(L);
+		return 1;
+	}
+	v->toLua(L);
+	t->lock();
+	v->release();
+	t->unlock();
+	return 1;
+}
+
+int w_Thread_peek(lua_State *L)
+{
+	Thread *t = luax_checkthread(L, 1);
+	std::string name = luax_checkstring(L, 2);
+	t->lock();
+	Variant *v = t->get(name);
+	t->unlock();
+	if (!v)
+	{
+		lua_pushnil(L);
+		return 1;
+	}
+	v->toLua(L);
+	t->lock();
+	v->release();
+	t->unlock();
+	return 1;
+}
+
+
+int w_Thread_set(lua_State *L)
+{
+	Thread *t = luax_checkthread(L, 1);
+	std::string name = luax_checkstring(L, 2);
+	Variant *v = Variant::fromLua(L, 3);
+	if (!v)
+		return luaL_error(L, "Expected boolean, number, string or userdata");
+	t->set(name, v);
+	t->lock();
+	v->release();
+	t->unlock();
+	return 0;
+}
+
+static const luaL_Reg type_functions[] =
+{
+	{ "start", w_Thread_start },
+	{ "wait", w_Thread_wait },
+	{ "getName", w_Thread_getName },
+	{ "get", w_Thread_get },
+	{ "getKeys", w_Thread_getKeys },
+	{ "demand", w_Thread_demand },
+	{ "peek", w_Thread_peek },
+	{ "set", w_Thread_set },
+	{ 0, 0 }
+};
+
+extern "C" int luaopen_thread(lua_State *L)
+{
+	return luax_register_type(L, "Thread", type_functions);
+}
+
+static ThreadModule *instance;
+
+int w_newThread(lua_State *L)
+{
+	std::string name = luax_checkstring(L, 1);
+	love::Data *data;
+	if (lua_isstring(L, 2))
+		luax_convobj(L, 2, "filesystem", "newFile");
+	if (luax_istype(L, 2, FILESYSTEM_FILE_T))
+	{
+		try
+		{
+			data = luax_checktype<love::filesystem::File>(L, 2, "File", FILESYSTEM_FILE_T)->read();
+		}
+		catch(love::Exception &e)
+		{
+			return luaL_error(L, e.what());
+		}
+	}
+	else
+	{
+		data = luax_checktype<love::Data>(L, 2, "Data", DATA_T);
+		data->retain();
+	}
+	Thread *t = instance->newThread(name, data);
+	// do not worry, file->read() returns retained data
+	data->release();
+	if (!t)
+		return luaL_error(L, "A thread with that name already exists.");
+	luax_newtype(L, "Thread", THREAD_THREAD_T, (void *)t);
+	return 1;
+}
+
+int w_getThreads(lua_State *L)
+{
+	unsigned count = instance->getThreadCount();
+	Thread **list = new Thread*[count];
+	instance->getThreads(list);
+	lua_newtable(L);
+	for (unsigned int i = 0; i<count; i++)
+	{
+		// allow names containing \0
+		luax_pushstring(L, list[i]->getName());
+		luax_newtype(L, "Thread", THREAD_THREAD_T, (void *) list[i]);
+		list[i]->lock();
+		list[i]->retain();
+		list[i]->unlock();
+		lua_settable(L, -3);
+	}
+	delete[] list;
+	return 1;
+}
+
+int w_getThread(lua_State *L)
+{
+	if (lua_isnoneornil(L, 1))
+	{
+		lua_getglobal(L, "love");
+		lua_getfield(L, -1, "_curthread");
+		return 1;
+	}
+	std::string name = luax_checkstring(L, 1);
+	Thread *t = instance->getThread(name);
+	if (t)
+	{
+		luax_newtype(L, "Thread", THREAD_THREAD_T, (void *)t);
+		t->lock();
+		t->retain();
+		t->unlock();
+	}
+	else
+		lua_pushnil(L);
+	return 1;
+}
+
+
+// List of functions to wrap.
+static const luaL_Reg module_functions[] =
+{
+	{ "newThread", w_newThread },
+	{ "getThread", w_getThread },
+	{ "getThreads", w_getThreads },
+	{ 0, 0 }
+};
+
+static const lua_CFunction types[] =
+{
+	luaopen_thread,
+	0
+};
+
+extern "C" int luaopen_love_thread(lua_State *L)
+{
+	if (instance == 0)
+	{
+		try
+		{
+			instance = new ThreadModule();
+			lua_getglobal(L, "love");
+			Thread *curthread = instance->getThread("main");
+			curthread->lock();
+			curthread->retain();
+			curthread->unlock();
+			luax_newtype(L, "Thread", THREAD_THREAD_T, (void *)curthread);
+			lua_setfield(L, -2, "_curthread");
+		}
+		catch(Exception &e)
+		{
+			return luaL_error(L, e.what());
+		}
+	}
+	else
+		instance->retain();
+
+	WrappedModule w;
+	w.module = instance;
+	w.name = "thread";
+	w.flags = MODULE_T;
+	w.functions = module_functions;
+	w.types = types;
+
+	return luax_register_module(L, w);
+}
+
+} // thread
+} // love