/opt/ros/diamondback/stacks/ethzasl_aseba/asebaros/aseba/svn/utils/FormatableString.h

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/*
        Aseba - an event-based framework for distributed robot control
        Copyright (C) 2007--2009:
                Stephane Magnenat <stephane at magnenat dot net>
                (http://stephane.magnenat.net)
                and other contributors, see authors.txt for details
                Mobots group, Laboratory of Robotics Systems, EPFL, Lausanne
        
        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 3 of the License, or
        any other version as decided by the two original authors
        Stephane Magnenat and Valentin Longchamp.
        
        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, see <http://www.gnu.org/licenses/>.
*/

#ifndef FORMATABLESTRING_H
#define FORMATABLESTRING_H

#include <string>
#include <sstream>

namespace Aseba
{
        
        class FormatableString : public std::string
        {
                private:
                        int argLevel;
                
                        void proceedReplace(const std::string &replacement);
                        
                public:
                        
                        FormatableString() : std::string(), argLevel(0) { }
                        FormatableString(const std::string &s)
                : std::string(s), argLevel(0) { }
                        
                        FormatableString &arg(int value, int fieldWidth = 0, int base = 10, char fillChar = ' ');
                        
                        FormatableString &arg(unsigned value, int fieldWidth = 0, int base = 10, char fillChar = ' ');
                        
                        FormatableString &arg(float value, int fieldWidth = 0, int precision = 6, char fillChar = ' ');
                        
                        template <typename T> FormatableString &arg(const T& value)
                        {
                                // transform value into std::string
                                std::ostringstream oss;
                                oss << value;
                        
                                proceedReplace(oss.str());
        
                                // return reference to this so that .arg can proceed further
                                return *this;
                        }
                        
                        FormatableString& operator=(const std::string& str) ;
        };
        
}

#endif // FORMATABLESTRING_H //

---

asebaros
Author(s): $author
autogenerated on Mon Sep 5 08:41:53 2011