qt-creator/src/plugins/coreplugin/uniqueidmanager.cpp

/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** GNU Lesser General Public License Usage
**
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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#include "uniqueidmanager.h"
#include "coreconstants.h"

using namespace Core;

UniqueIDManager* UniqueIDManager::m_instance = 0;

UniqueIDManager::UniqueIDManager()
{
    m_instance = this;
    m_uniqueIdentifiers.insert(Constants::C_GLOBAL, Constants::C_GLOBAL_ID);
}

UniqueIDManager::~UniqueIDManager()
{
    m_instance = 0;
}

bool UniqueIDManager::hasUniqueIdentifier(const QString &id) const
{
    return m_uniqueIdentifiers.contains(id);
}

int UniqueIDManager::uniqueIdentifier(const QString &id)
{
    if (hasUniqueIdentifier(id))
        return m_uniqueIdentifiers.value(id);

    int uid = m_uniqueIdentifiers.count() + 1;
    m_uniqueIdentifiers.insert(id, uid);
    return uid;
}

QString UniqueIDManager::stringForUniqueIdentifier(int uid)
{
    return m_uniqueIdentifiers.key(uid);
}