llcallbacklist.cpp
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上传日期:2021-03-01
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- /**
- * @file llcallbacklist.cpp
- * @brief A simple list of callback functions to call.
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "llviewerprecompiledheaders.h"
- #include "llcallbacklist.h"
- // Library includes
- #include "llerror.h"
- //
- // Globals
- //
- LLCallbackList gIdleCallbacks;
- //
- // Member functions
- //
- LLCallbackList::LLCallbackList()
- {
- // nothing
- }
- LLCallbackList::~LLCallbackList()
- {
- }
- void LLCallbackList::addFunction( callback_t func, void *data)
- {
- if (!func)
- {
- llerrs << "LLCallbackList::addFunction - function is NULL" << llendl;
- return;
- }
- // only add one callback per func/data pair
- callback_pair_t t(func, data);
- callback_list_t::iterator iter = std::find(mCallbackList.begin(), mCallbackList.end(), t);
- if (iter == mCallbackList.end())
- {
- mCallbackList.push_back(t);
- }
- }
- BOOL LLCallbackList::containsFunction( callback_t func, void *data)
- {
- callback_pair_t t(func, data);
- callback_list_t::iterator iter = std::find(mCallbackList.begin(), mCallbackList.end(), t);
- if (iter != mCallbackList.end())
- {
- return TRUE;
- }
- else
- {
- return FALSE;
- }
- }
- BOOL LLCallbackList::deleteFunction( callback_t func, void *data)
- {
- callback_pair_t t(func, data);
- callback_list_t::iterator iter = std::find(mCallbackList.begin(), mCallbackList.end(), t);
- if (iter != mCallbackList.end())
- {
- mCallbackList.erase(iter);
- return TRUE;
- }
- else
- {
- return FALSE;
- }
- }
- void LLCallbackList::deleteAllFunctions()
- {
- mCallbackList.clear();
- }
- void LLCallbackList::callFunctions()
- {
- for (callback_list_t::iterator iter = mCallbackList.begin(); iter != mCallbackList.end(); )
- {
- callback_list_t::iterator curiter = iter++;
- curiter->first(curiter->second);
- }
- }
- #ifdef _DEBUG
- void test1(void *data)
- {
- S32 *s32_data = (S32 *)data;
- llinfos << "testfunc1 " << *s32_data << llendl;
- }
- void test2(void *data)
- {
- S32 *s32_data = (S32 *)data;
- llinfos << "testfunc2 " << *s32_data << llendl;
- }
- void
- LLCallbackList::test()
- {
- S32 a = 1;
- S32 b = 2;
- LLCallbackList *list = new LLCallbackList;
- llinfos << "Testing LLCallbackList" << llendl;
- if (!list->deleteFunction(NULL))
- {
- llinfos << "passed 1" << llendl;
- }
- else
- {
- llinfos << "error, removed function from empty list" << llendl;
- }
- // llinfos << "This should crash" << llendl;
- // list->addFunction(NULL);
- list->addFunction(&test1, &a);
- list->addFunction(&test1, &a);
- llinfos << "Expect: test1 1, test1 1" << llendl;
- list->callFunctions();
- list->addFunction(&test1, &b);
- list->addFunction(&test2, &b);
- llinfos << "Expect: test1 1, test1 1, test1 2, test2 2" << llendl;
- list->callFunctions();
- if (list->deleteFunction(&test1, &b))
- {
- llinfos << "passed 3" << llendl;
- }
- else
- {
- llinfos << "error removing function" << llendl;
- }
- llinfos << "Expect: test1 1, test1 1, test2 2" << llendl;
- list->callFunctions();
- list->deleteAllFunctions();
- llinfos << "Expect nothing" << llendl;
- list->callFunctions();
- llinfos << "nothing :-)" << llendl;
- delete list;
- llinfos << "test complete" << llendl;
- }
- #endif // _DEBUG