89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "sal/config.h"
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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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OSL_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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