82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "sal/config.h"
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#include <cassert>
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#include "rtl/ustring.hxx"
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#include "modifications.hxx"
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#include "path.hxx"
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namespace configmgr {
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Modifications::Modifications() {}
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Modifications::~Modifications() {}
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void Modifications::add(Path const & path) {
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Node * p = &root_;
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bool wasPresent = false;
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for (Path::const_iterator i(path.begin()); i != path.end(); ++i) {
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Node::Children::iterator j(p->children.find(*i));
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if (j == p->children.end()) {
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if (wasPresent && p->children.empty()) {
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return;
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}
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j = p->children.insert(Node::Children::value_type(*i, Node())).
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first;
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wasPresent = false;
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} else {
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wasPresent = true;
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}
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p = &j->second;
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}
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p->children.clear();
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}
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void Modifications::remove(Path const & path) {
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assert(!path.empty());
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Node * p = &root_;
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for (Path::const_iterator i(path.begin());;) {
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Node::Children::iterator j(p->children.find(*i));
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if (j == p->children.end()) {
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break;
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}
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if (++i == path.end()) {
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p->children.erase(j);
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if (p->children.empty()) {
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Path parent(path);
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parent.pop_back();
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remove(parent);
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}
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break;
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}
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p = &j->second;
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}
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}
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Modifications::Node const & Modifications::getRoot() const {
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return root_;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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