// -*-c++-*-
//------------------------------------------------------------------------------
// xword - (http://xword.sourceforge.net)
// Copyright 2002 Patrick Crosby <pcrosby@pobox.com>
//------------------------------------------------------------------------------
// String.cpp
//
// $Id: String.cpp,v 1.3 2002/01/23 19:43:03 pcrosby Exp $
//------------------------------------------------------------------------------
// 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
//------------------------------------------------------------------------------

#include "String.h"

#include <algorithm>
#include <cctype>

#include "Namespace.h"

NAMESPACE_OPEN

//------------------------------------------------------------------------------

String::String(int n) :
	std::string()
{
	if (n < 0) {
#ifdef HAVE_STRING_PUSH_BACK		
		push_back('-');
#else
		append("-");
#endif		
		n = -n;
	}

	Convert(n);
}

//------------------------------------------------------------------------------

std::string
String::Upper(const std::string& strIn)
{
	std::string strResult;

#ifdef HAVE_STRING_PUSH_BACK
    // uppercase all characters
    transform(strIn.begin(), strIn.end(),
			  back_inserter(strResult), 
			  toupper);
#endif
	
	return strResult;
}

//------------------------------------------------------------------------------

std::string
String::Lower(const std::string& strIn)
{
	std::string strResult;

#ifdef HAVE_STRING_PUSH_BACK
    // lowercase all characters
    transform(strIn.begin(), strIn.end(),
			  back_inserter(strResult),     
			  tolower);              
#endif
	
	return strResult;
}

//------------------------------------------------------------------------------

void
String::Convert(int n)
{
	if (n < 10) {
#ifdef HAVE_STRING_PUSH_BACK
		push_back(n + '0');
#else
		char s[2];
		s[0] = n + '0';
		s[1] = '\0';
		append(s);
#endif		
		return;
	}

	int nRemainder = n % 10;

	Convert((n - nRemainder) / 10);

#ifdef HAVE_STRING_PUSH_BACK
	push_back(nRemainder + '0');
#else
	char sr[2];
	sr[0] = nRemainder + '0';
	sr[1] = '\0';
	append(sr);
#endif		
}

//------------------------------------------------------------------------------

NAMESPACE_CLOSE

//------------------------------------------------------------------------------