fs_path.h

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/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.

This file is part of GtkRadiant.

GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

GtkRadiant 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#if !defined(INCLUDED_FS_PATH_H)
#define INCLUDED_FS_PATH_H

#include "stream/stringstream.h"

class UnixPath {
    StringBuffer m_string;

    void check_separator() {
        if (!empty() && m_string.back() != '/') {
            m_string.push_back('/');
        }
    }

public:
    UnixPath(const char* root)
            : m_string(root) {
        check_separator();
    }

    bool empty() const {
        return m_string.empty();
    }

    const char* c_str() const {
        return m_string.c_str();
    }

    void push(const char* name) {
        m_string.push_string(name);
        check_separator();
    }
    void push(const std::string& name) {
        m_string.push_string(name.c_str());
        check_separator();
    }
    void push(const char* first, const char* last) {
        m_string.push_range(first, last);
        check_separator();
    }
    void push_filename(const char* name) {
        m_string.push_string(name);
    }
    void push_filename(const std::string& name) {
        m_string.push_string(name.c_str());
    }
    void pop() {
        if (m_string.back() == '/') {
            m_string.pop_back();
        }
        while (!empty() && m_string.back() != '/') {
            m_string.pop_back();
        }
    }
};

#endif