src/core/strings.h

//------------------------------------------------------------------------------
// strings.h
//------------------------------------------------------------------------------
//
// This program 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.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.
//
//------------------------------------------------------------------------------
// Copyright (C) 2010 "Zalewa" <zalewapl@gmail.com>
//------------------------------------------------------------------------------
#ifndef __STRINGS_H_
#define __STRINGS_H_

#include "global.h"

class QString;

class MAIN_EXPORT Strings
{
        public:
                static QString                  combinePaths(QString pathFront, QString pathEnd);

                static QString                  createRandomAlphaNumericString(unsigned numChars);
                static QString                  createRandomAlphaNumericStringWithNewLines(unsigned numCharsPerLine, unsigned numLines);

                static const QString    &escape(QString &str);

                static QString                  formatDataAmount(qint64 bytes);

                static QString                  formatDataSpeed(float speedInBytesPerSecond);

                static QString                  formatTime(float seconds);

                static bool                             isCharOnCharList(char c, const QString& charList);

                static QString                  normalizePath(QString path);

                static void                             translateServerAddress(const QString& addressString, QString& hostname, unsigned short& port, const QString& defaultAddress);

                static const QString    &unescape(QString &str);

                static bool                             isUrlSafe(const QString& url);

                static QString                  timestamp(const QString& format);
                static QString&                 trim(QString& str, const QString& charList) { return trimr(triml(str, charList), charList); }
                static QString&                 trimr(QString& str, const QString& charList);
                static QString&                 triml(QString& str, const QString& charList);

                static QString                  wrapUrlsWithHtmlATags(const QString& str);

        protected:
                enum DataUnit
                {
                        Byte            = 0,
                        Kilobyte        = 1,
                        Megabyte        = 2,
                        Gigabyte        = 3
                };

                static const unsigned   RANDOM_CHAR_POOL_SIZE = 36;
                static const char               RANDOM_CHAR_POOL[RANDOM_CHAR_POOL_SIZE];


                static float                    scaleDataUnit(float bytes, DataUnit& outUnit);
};

#endif