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PCMStringConverter.cpp

Go to the documentation of this file.

//
// This source file is a part of ParCompMark
// Parallel Compositing Benchmark Framework
//
// for latest info see http://parcompmark.sourceforge.net

//
// Copyright (C) 2006 IT2 ParCompMark Dev. Team
// 
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

//
// Inner includes
//

#include "../include/PCMStringConverter.h"

namespace ParCompMark
{

  //
  // Class constants
  //

  const s32 StringConverter::DEFAULTPRECISION = -1;
  const s32 StringConverter::DEFAULTFIELDWIDTH = -1;

  //
  // Class methods
  //

   std::string StringConverter::toString(const u8 & value)
  {
        std::ostringstream osstr;
        osstr << value;
        return osstr.str();
  }

 /*----------------------------------------------------------------------*/

  std::string StringConverter::toString(const u16 & value)
  {
        std::ostringstream osstr;
        osstr << value;
        return osstr.str();
  }

 /*----------------------------------------------------------------------*/

  std::string StringConverter::toString(const u32 & value)
  {
        std::ostringstream osstr;
        osstr << value;
        return osstr.str();
  }

 /*----------------------------------------------------------------------*/

  std::string StringConverter::toString(const s8 & value)
  {
        std::ostringstream osstr;
        osstr << value;
        return osstr.str();
  }

 /*----------------------------------------------------------------------*/

  std::string StringConverter::toString(const s16 & value)
  {
        std::ostringstream osstr;
        osstr << value;
        return osstr.str();
  }

 /*----------------------------------------------------------------------*/

  std::string StringConverter::toString(const s32 & value)
  {
        std::ostringstream osstr;
        osstr << value;
        return osstr.str();
  }

 /*----------------------------------------------------------------------*/

  std::string StringConverter::toString(const Real & value, const s32 & fieldWidth,
                                        const s32 & precision)
  {
        std::ostringstream osstr;
        if(precision == DEFAULTPRECISION)
         osstr << value;
        else
        {
         osstr.precision(precision);
         osstr << std::fixed << value;
        }
        return _fitFieldWidth(osstr.str(), fieldWidth);
  }

 /*----------------------------------------------------------------------*/

  std::string StringConverter::toString(const bool value)
  {
        std::ostringstream osstr;
        osstr << value;
        return osstr.str();
  }

 /*----------------------------------------------------------------------*/

  std::string StringConverter::toString(const void *value)
  {
        std::ostringstream osstr;
        osstr << value;
        return osstr.str();
  }

 /*----------------------------------------------------------------------*/

  u32 StringConverter::toU32(const std::string value)
  {
        u32 result;

        std::istringstream isstr(value);

        isstr >> result;
        return result;
  }

 /*----------------------------------------------------------------------*/

  Real StringConverter::toReal(const std::string value)
  {
        Real result;

        std::istringstream isstr(value);

        isstr >> result;
        return result;
  }

 /*----------------------------------------------------------------------*/

  void *StringConverter::parsePointer(const std::string value)
  {
        std::istringstream isstr(value, std::istringstream::in);
        void *p;

        isstr >> p;
        return p;
  }

 /*----------------------------------------------------------------------*/

  void StringConverter::trim(std::string & str)
  {
        std::string::size_type pos = str.find_last_not_of(" \t");
        if(pos != std::string::npos)
        {
         str.erase(pos + 1);
         pos = str.find_first_not_of(" \t");
         if(pos != std::string::npos)
                str.erase(0, pos);
        } else
         str.erase(str.begin(), str.end());
  }

 /*----------------------------------------------------------------------*/

  std::vector < std::string > StringConverter::tokenize(const std::string & str, const char *delimiters)
  {
        std::vector < std::string > tokens;

        std::string::size_type lastPos = 0, pos = 0;
        int count = 0;

        if(str.length() < 1)
         return tokens;

        // skip delimiters at beginning. 
        lastPos = str.find_first_not_of(delimiters, 0);

        if((str.substr(0, lastPos - pos).length()) > 0)
        {
         count = str.substr(0, lastPos - pos).length();

         for(int i = 0; i < count; i++)
                tokens.push_back("");

         if(std::string::npos == lastPos)
                tokens.push_back("");
        }
        // find first "non-delimiter".
        pos = str.find_first_of(delimiters, lastPos);

        while(std::string::npos != pos || std::string::npos != lastPos)
        {
         // found a token, add it to the vector.
         tokens.push_back(str.substr(lastPos, pos - lastPos));

         // skip delimiters. Note the "not_of"
         lastPos = str.find_first_not_of(delimiters, pos);

         if((std::string::npos != pos) && (str.substr(pos, lastPos - pos).length() > 1))
         {
                count = str.substr(pos, lastPos - pos).length();

                for(int i = 0; i < count; i++)
                 tokens.push_back("");
         }

         pos = str.find_first_of(delimiters, lastPos);
        }

        return tokens;
  }

 /*----------------------------------------------------------------------*/

  std::string StringConverter::_fitFieldWidth(const std::string & str, const s32 & fieldWidth)
  {
        s32 padding = fieldWidth - str.size();

        if(fieldWidth == DEFAULTFIELDWIDTH || padding <= 0)
         return str;
        char fitStr[padding + 1];

        memset(fitStr, ' ', padding);
        fitStr[padding] = '\0';

        return fitStr + str;
  }

 /*----------------------------------------------------------------------*/

}

© Copyright - 2006 (IT)² ParCompMark Dev. Team