diff options
Diffstat (limited to 'src/Common/UserLists/UserListDiff.cpp')
-rw-r--r-- | src/Common/UserLists/UserListDiff.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/Common/UserLists/UserListDiff.cpp b/src/Common/UserLists/UserListDiff.cpp new file mode 100644 index 0000000..e763afe --- /dev/null +++ b/src/Common/UserLists/UserListDiff.cpp @@ -0,0 +1,46 @@ +/* + * UserListDiff.cpp + * + * Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de> + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by the + * Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "UserListDiff.h" +#include "UserList.h" + +namespace Mad { +namespace Common { +namespace UserLists { + +UserListDiff::UserListDiff(const UserList *oldList, const UserList *newList) { + for(UserList::const_iterator user = oldList->begin(); user != oldList->end(); ++user) + deletedUsers.insert(*user); + + for(UserList::const_iterator user = newList->begin(); user != newList->end(); ++user) { + std::set<UserListEntry>::const_iterator it = deletedUsers.find(*user); + + if(it != deletedUsers.end()) { + deletedUsers.erase(it); + unchangedUsers.insert(*user); + } + else { + addedUsers.insert(*user); + } + } +} + +} +} +} |