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flightgear/Misc/strutils.cxx
1998-09-01 19:06:28 +00:00

74 lines
1.7 KiB
C++

// String utilities.
//
// Written by Bernie Bright, 1998
//
// Copyright (C) 1998 Bernie Bright - bbright@c031.aone.net.au
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
// (Log is kept at end of this file)
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "strutils.hxx"
//
string
trimleft( const string& s, const string& trimmings )
{
string result;
string::size_type pos = s.find_first_not_of( trimmings );
if ( pos != string::npos )
{
result.assign( s.substr( pos ) );
}
return result;
}
//
string
trimright( const string& s, const string& trimmings )
{
string result;
string::size_type pos = s.find_last_not_of( trimmings );
if ( pos == string::npos )
{
// Not found, return the original string.
result = s;
}
else
{
result.assign( s.substr( 0, pos+1 ) );
}
return result;
}
//
string
trim( const string& s, const string& trimmings )
{
return trimright( trimleft( s, trimmings ), trimmings );
}
// $Log$
// Revision 1.1 1998/09/01 19:06:30 curt
// Initial revision.
//