/***********************************************************************
** XMLString.cpp                                                      **
**                                                                    **
** This file is part of dvisvgm -- the DVI to SVG converter           **
** Copyright (C) 2005-2007 Martin Gieseking <martin.gieseking@uos.de> **
**                                                                    **
** 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., 51 Franklin Street, Fifth Floor,                 **
** Boston, MA 02110-1301, USA.                                        **
***********************************************************************/
// $Id$

#include <sstream>
#include "macros.h"
#include "XMLString.h"

using namespace std;

static string translate (unsigned c) {
	switch (c) {
		case '<' : return "&lt;";
		case '&' : return "&amp;";
		case '"' : return "&quot;";
		case '\'': return "&apos;";
	}
	ostringstream oss;
	if (c >= 32 && c <= 126)
		oss << char(c);
	else
		oss <<"&#" << unsigned(c) << ';';				
	return oss.str();
}


XMLString::XMLString (const string &str) {
	FORALL(str, string::const_iterator, i)
		*this += translate(*i);
}


XMLString::XMLString (const char *str) {
	if (str)
		while (*str)
			*this += translate(*str++);
}

XMLString::XMLString (int n, bool cast) {
	if (cast) {
		stringstream ss;
		ss << n;
		ss >> *this;
	}
	else
		*this += translate(n);
}


XMLString::XMLString (double x) {
	stringstream ss;
	ss << x;
	ss >> *this;
}


/*
ostream& XMLString::write (ostream &os) const {
	const string *self = static_cast<const string*>(this);
	FORALL(*self, string::const_iterator, i) {
		unsigned char c = *i;
		switch (c) {
			case '<' : os << "&lt;"; break;
			case '&' : os << "&amp;"; break;
			case '"' : os << "&quot;"; break;
			case '\'': os << "&apos;"; break;
			default  :
				if (c >= 32 && c <= 126)
					os << c;
				else
					os << "&#" << int(c) << ';';				
		}
	}
	return os;
}
*/