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**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Build Suite.
**
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** accordance with the commercial license agreement provided with the
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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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****************************************************************************/

#ifndef QBS_ARTIFACTLIST_H
#define QBS_ARTIFACTLIST_H

#include <set>
#include <cstddef>

namespace qbs {
namespace Internal {

class Artifact;

/**
  * List that holds a bunch of build graph artifacts.
  * This is faster than QSet when iterating over the container.
  */
class ArtifactList
{
public:
    ArtifactList();
    ArtifactList(const ArtifactList &other);

    ArtifactList &unite(const ArtifactList &other);

    typedef std::set<Artifact *>::const_iterator const_iterator;
    typedef std::set<Artifact *>::iterator iterator;
    typedef Artifact * value_type;

    iterator begin() { return m_data.begin(); }
    iterator end() { return m_data.end(); }
    const_iterator begin() const { return m_data.begin(); }
    const_iterator end() const { return m_data.end(); }
    const_iterator constBegin() const { return m_data.begin(); }
    const_iterator constEnd() const { return m_data.end(); }

    void insert(Artifact *artifact)
    {
        m_data.insert(artifact);
    }

    void operator +=(Artifact *artifact)
    {
        insert(artifact);
    }

    void remove(Artifact *artifact);

    bool contains(Artifact *artifact) const
    {
        return m_data.find(artifact) != m_data.end();
    }

    void clear()
    {
        m_data.clear();
    }

    bool isEmpty() const
    {
        return m_data.empty();
    }

    int count() const
    {
        return (int)m_data.size();
    }

    void reserve(int)
    {
        // no-op
    }

    bool operator==(const ArtifactList &other) const { return m_data == other.m_data; }
    bool operator!=(const ArtifactList &other) const { return !(*this == other); }


private:
    std::set<Artifact *> m_data;
};

} // namespace Internal
} // namespace qbs

#endif // QBS_ARTIFACTLIST_H