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/*************************************************************************
** XMLString.cpp **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2014 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 3 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, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#include <config.h>
#include <cmath>
#include <cstdlib>
#include <iomanip>
#include <sstream>
#include "macros.h"
#include "types.h"
#include "Unicode.h"
#include "XMLString.h"
using namespace std;
int XMLString::DECIMAL_PLACES = 0;
static string translate (UInt32 c) {
switch (c) {
case '<' : return "<";
case '&' : return "&";
case '"' : return """;
case '\'': return "'";
}
return Unicode::utf8(c);
}
/** Rounds a floating point value to a given number of decimal places.
* @param[in] x number to round
* @param[in] n number of decimal places (must be between 1 and 6)
* @return rounded value */
static inline double round (double x, long n) {
const long pow10[] = {10L, 100L, 1000L, 10000L, 100000L, 1000000L};
n--;
return floor(x*pow10[n]+0.5)/pow10[n];
}
XMLString::XMLString (const string &str, bool plain) {
if (plain)
*this = str;
else {
FORALL(str, string::const_iterator, i)
*this += translate(*i);
}
}
XMLString::XMLString (const char *str, bool plain) {
if (str) {
if (plain)
*this = str;
else {
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;
if (DECIMAL_PLACES > 0)
x = round(x, DECIMAL_PLACES);
else if (fabs(x) < 1e-8)
x = 0;
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 << "<"; break;
case '&' : os << "&"; break;
case '"' : os << """; break;
case '\'': os << "'"; break;
default :
if (c >= 32 && c <= 126)
os << c;
else
os << "&#" << int(c) << ';';
}
}
return os;
}
*/
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