LinuxFileManager.cpp

/*
 Copyright (C) 2010-2012 Kristian Duske

 This file is part of TrenchBroom.

 TrenchBroom 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 3 of the License, or
 (at your option) any later version.

 TrenchBroom 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 TrenchBroom.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "LinuxFileManager.h"

#include <cstdlib>
#include <fstream>
#include <unistd.h>

namespace TrenchBroom {
    namespace IO {
        String LinuxFileManager::appDirectory() {
            char buf[1024];
            ssize_t len = readlink("/proc/self/exe", buf, sizeof(buf));
            String appPath(buf, len);
            return deleteLastPathComponent(appPath);
        }

        String LinuxFileManager::logDirectory() {
            char* homeDirectory = std::getenv("HOME");
            if (homeDirectory == NULL)
                return "";
            return homeDirectory;
        }

        String LinuxFileManager::resourceDirectory() {
            return appendPath(appDirectory(), "Resources");
        }

        String LinuxFileManager::resolveFontPath(const String& fontName) {
            String fontDirectoryPath = "/usr/share/fonts/truetype/";
            String extensions[2] = {".ttf", ".ttc"};

            for (int j = 0; j < 2; j++) {
                String fontPath = fontDirectoryPath + fontName + extensions[j];
                std::fstream fs(fontPath.c_str(), std::ios::binary | std::ios::in);
                if (fs.is_open())
                    return fontPath;
            }

            return appendPath(resourceDirectory(), "DejaVuSans.ttf");
        }
    }
}