Location.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library is distributed in the hope that it will be useful, but        │
│   WITHOUT ANY WARRANTY; without even the implied warranty of                 │
│   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include <mutex>
#include <sptk5/Strings.h>
#include <sptk5/sptk.h>
#include <sptk5/string_ext.h>
 
namespace sptk {
 
class SP_EXPORT CLocation
{
    mutable std::mutex m_mutex;
 
    const char* m_file;
 
    int m_line;
 
 
public:
    CLocation(const char* file, int line)
        : m_file(file)
        , m_line(line)
    {
    }
 
    void set(const char* file, int line)
    {
        std::scoped_lock > lock(m_mutex);
        m_file = file;
        m_line = line;
    }
 
    const char* file() const
    {
        std::scoped_lock lock(m_mutex);
        return m_file;
    }
 
    int line() const
    {
        std::scoped_lock lock(m_mutex);
        return m_line;
    }
 
    String toString() const
    {
        std::scoped_lock lock(m_mutex);
        return String(m_file) + "(" + int2string(m_line) + ")";
    }
 
    bool empty() const
    {
        std::scoped_lock lock(m_mutex);
        return (m_file == NULL) && (m_line == 0);
    }
};
 
} // namespace sptk