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/*
-----------------------------------------------------------------------
Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp
2014-2015, CWI, Amsterdam
Contact: astra@uantwerpen.be
Website: http://sf.net/projects/astra-toolbox
This file is part of the ASTRA Toolbox.
The ASTRA Toolbox 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.
The ASTRA Toolbox 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 the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------
$Id$
*/
#ifndef _INC_ASTRA_UTILIES
#define _INC_ASTRA_UTILIES
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <map>
#include "Globals.h"
namespace astra {
/**
* This class contains some usefull static utility functions for std strings.
*/
class StringUtil {
public:
/**
* Removes whitespace characters such as spaces and tabs at the extremas.
* Optionally you can specify which extrema to trim (default=both)
*
* @param _sString The string to trim.
* @param _bLeft Trim the left extrema? Default = true.
* @param _bRight Trim the right extrema? Default = true.
*/
static void trim(std::string& _sString, bool _bLeft = true, bool _bRight = true);
/**
* Returns a vector of strings that contains all the substrings delimited by
* the characters in _sDelims.
*
* @param _sString The string to split.
* @param _sDelims The delimiter string.
* @return Vector of strings.
*/
static std::vector<std::string> split(const std::string& _sString, const std::string& _sDelims);
/**
* Cast a string to an integer.
*
* @param _sString The string to cast.
* @param _iValue Output integer parameter.
* @return success?
*/
static bool toInt(const std::string& _sString, int& _iValue);
/**
* Cast a string to a float32.
*
* @param _sString The string to cast.
* @param _fValue Output float32 parameter.
* @return success?
*/
static bool toFloat32(const std::string& _sString, float32& _fValue);
/**
* Convert a string to lower case.
*
* @param _sString The string to convert.
*/
static void toLowerCase(std::string& _sString);
/**
* Convert a string to upper case.
*
* @param _sString The string to convert.
*/
static void toUpperCase(std::string& _sString);
};
/**
* This class contains some usefull static utility functions for std strings.
*/
class FileSystemUtil {
public:
/**
* Get the extensions of a filename. Always in lower case.
*
* @param _sFilename file to get extensions from.
* @return Extension (lower case). Empty string if filename is a directory or not a valid file format.
*/
static std::string getExtension(std::string& _sFilename);
};
template<typename T, typename S>
std::map<T,S> mergeMap(std::map<T,S> _mMap1, std::map<T,S> _mMap2)
{
std::map<T,S> result = _mMap1;
for (typename std::map<T,S>::iterator it = _mMap2.begin(); it != _mMap2.end(); it++) {
result[(*it).first] = (*it).second;
}
return result;
}
} // end namespace
#endif
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