Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "sal/config.h"
      21             : 
      22             : #include <cassert>
      23             : 
      24             : #include "rtl/ustring.hxx"
      25             : 
      26             : #include "modifications.hxx"
      27             : #include "path.hxx"
      28             : 
      29             : namespace configmgr {
      30             : 
      31           0 : Modifications::Modifications() {}
      32             : 
      33           0 : Modifications::~Modifications() {}
      34             : 
      35           0 : void Modifications::add(Path const & path) {
      36           0 :     Node * p = &root_;
      37           0 :     bool wasPresent = false;
      38           0 :     for (Path::const_iterator i(path.begin()); i != path.end(); ++i) {
      39           0 :         Node::Children::iterator j(p->children.find(*i));
      40           0 :         if (j == p->children.end()) {
      41           0 :             if (wasPresent && p->children.empty()) {
      42           0 :                 return;
      43             :             }
      44           0 :             j = p->children.insert(Node::Children::value_type(*i, Node())).
      45           0 :                 first;
      46           0 :             wasPresent = false;
      47             :         } else {
      48           0 :             wasPresent = true;
      49             :         }
      50           0 :         p = &j->second;
      51             :     }
      52           0 :     p->children.clear();
      53             : }
      54             : 
      55           0 : void Modifications::remove(Path const & path) {
      56             :     assert(!path.empty());
      57           0 :     Node * p = &root_;
      58           0 :     for (Path::const_iterator i(path.begin());;) {
      59           0 :         Node::Children::iterator j(p->children.find(*i));
      60           0 :         if (j == p->children.end()) {
      61           0 :             break;
      62             :         }
      63           0 :         if (++i == path.end()) {
      64           0 :             p->children.erase(j);
      65           0 :             if (p->children.empty()) {
      66           0 :                 Path parent(path);
      67           0 :                 parent.pop_back();
      68           0 :                 remove(parent);
      69             :             }
      70           0 :             break;
      71             :         }
      72           0 :         p = &j->second;
      73           0 :     }
      74           0 : }
      75             : 
      76           0 : Modifications::Node const & Modifications::getRoot() const {
      77           0 :     return root_;
      78             : }
      79             : 
      80             : }
      81             : 
      82             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */