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/*
-----------------------------------------------------------------------
Copyright: 2010-2014, iMinds-Vision Lab, University of Antwerp
2014, 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/>.
-----------------------------------------------------------------------
$Id$
*/
#include "astra/Utilities.h"
using namespace std;
using namespace astra;
//-----------------------------------------------------------------------------
// Trim Whitespace Characters
void StringUtil::trim(std::string& _sString, bool _bLeft, bool _bRight)
{
// trim right
if (_bRight)
_sString.erase(_sString.find_last_not_of(" \t\r") + 1);
// trim left
if (_bLeft)
_sString.erase(0, _sString.find_first_not_of(" \t\r"));
}
//-----------------------------------------------------------------------------
// Split String
vector<string> StringUtil::split(const string& _sString, const string& _sDelims)
{
std::vector<string> ret;
size_t start, pos;
start = 0;
do {
pos = _sString.find_first_of(_sDelims, start);
if (pos == start) {
// Do nothing
start = pos + 1;
} else if (pos == string::npos) {
// Copy the rest of the string
ret.push_back(_sString.substr(start));
break;
} else {
// Copy up to newt delimiter
ret.push_back(_sString.substr(start, pos - start));
start = pos + 1;
}
// Parse up to next real data (in case there are two delims after each other)
start = _sString.find_first_not_of(_sDelims, start);
} while (pos != string::npos);
return ret;
}
//-----------------------------------------------------------------------------
// Cast string to int
bool StringUtil::toInt(const string& _sString, int& _iValue)
{
std::istringstream ss(_sString);
ss >> _iValue;
return !ss.fail();
}
//-----------------------------------------------------------------------------
// Cast string to float
bool StringUtil::toFloat32(const string& _sString, float32& _fValue)
{
std::istringstream ss(_sString);
ss >> _fValue;
return !ss.fail();
}
//-----------------------------------------------------------------------------
// Convert string to Lower Case
void StringUtil::toLowerCase(std::string& _sString)
{
std::transform(_sString.begin(),
_sString.end(),
_sString.begin(),
::tolower);
}
//-----------------------------------------------------------------------------
// Convert string to Upper Case
void StringUtil::toUpperCase(std::string& _sString)
{
std::transform(_sString.begin(),
_sString.end(),
_sString.begin(),
::toupper);
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Get Extension
string FileSystemUtil::getExtension(string& _sFilename)
{
string sExtension = "";
for (int i = _sFilename.length() - 1; 0 < i; i--) {
if (_sFilename[i] == '.') {
std::transform(sExtension.begin(),sExtension.end(),sExtension.begin(),::tolower);
return sExtension;
}
sExtension = _sFilename[i] + sExtension;
}
return "";
}
//-----------------------------------------------------------------------------
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