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/*
Copyright (C) 2000, 2001, 2002 RiskMap srl
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it under the
terms of the QuantLib license. You should have received a copy of the
license along with this program; if not, please email ferdinando@ametrano.net
The license is also available online at http://quantlib.org/html/license.html
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 license for more details.
*/
/*! \file dataformatters.cpp
\brief classes used to format data for output
\fullpath
ql/%dataformatters.cpp
*/
// $Id: dataformatters.cpp,v 1.7 2002/01/16 14:43:47 nando Exp $
#include <ql/dataformatters.hpp>
#include <ql/null.hpp>
namespace QuantLib {
std::string IntegerFormatter::toString(int i, int digits) {
if (i == Null<int>())
return std::string("null");
char s[64];
QL_SPRINTF(s,"%*d",(digits>64?64:digits),i);
return std::string(s);
}
std::string DoubleFormatter::toString(double x, int precision, int digits) {
if (x == Null<double>())
return std::string("null");
char s[64];
QL_SPRINTF(s,"%*.*f",(digits>64?64:digits),
(precision>64?64:precision),x);
return std::string(s);
}
std::string EuroFormatter::toString(double amount) {
std::string output;
if (amount < 0.0) {
output = "-";
amount = -amount;
} else {
output = " ";
}
int triples = 0;
while (amount >= 1000.0) {
amount /= 1000;
triples++;
}
output += IntegerFormatter::toString(int(amount));
amount -= int(amount);
while (triples > 0) {
amount *= 1000;
output += ","+IntegerFormatter::toString(int(amount),3);
amount -= int(amount);
triples--;
}
amount *= 100;
output += "."+IntegerFormatter::toString(int(amount+0.5),2);
return output;
}
std::string RateFormatter::toString(double rate, int precision) {
return DoubleFormatter::toString(rate*100,precision)+"%";
}
std::string DateFormatter::toString(const Date& d, bool shortFormat) {
static const std::string monthName[] = {
"January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December" };
std::string output;
if (d == Date()) {
output = "Null date";
} else {
int dd = d.dayOfMonth(), mm = int(d.month()), yyyy = d.year();
if (shortFormat) {
output = (mm < 10 ? "0" : "") + IntegerFormatter::toString(mm);
output += (dd < 10 ? "/0" : "/") +
IntegerFormatter::toString(dd);
output += "/" + IntegerFormatter::toString(yyyy);
} else {
output = monthName[mm-1] + " ";
output += IntegerFormatter::toString(dd);
switch (dd) {
case 1:
case 21:
case 31:
output += "st, ";
break;
case 2:
case 22:
output += "nd, ";
break;
case 3:
case 23:
output += "rd, ";
break;
default:
output += "th, ";
}
output += IntegerFormatter::toString(yyyy);
}
}
return output;
}
std::string CurrencyFormatter::toString(Currency c) {
switch (c) {
case EUR: return "EUR";
case GBP: return "GBP";
case USD: return "USD";
case DEM: return "DEM";
case ITL: return "ITL";
case CHF: return "CHF";
case AUD: return "AUD";
case CAD: return "CAD";
case DKK: return "DKK";
case JPY: return "JPY";
case PLZ: return "PLZ";
case SEK: return "SEK";
case CZK: return "CZK";
case EEK: return "EEK";
case ISK: return "ISK";
case NOK: return "NOK";
case SKK: return "SKK";
case HKD: return "HKD";
case NZD: return "NZD";
case SGD: return "SGD";
case GRD: return "GRD";
case HUF: return "HUF";
case LVL: return "LVL";
case ROL: return "ROL";
case BGL: return "BGL";
case CYP: return "CYP";
case LTL: return "LTL";
case MTL: return "MTL";
case TRL: return "TRL";
case ZAR: return "ZAR";
case SIT: return "SIT";
case KRW: return "KRW";
default: return "unknown";
}
}
std::string StringFormatter::toLowercase(const std::string& s) {
std::string output = s;
for (std::string::iterator i=output.begin(); i!=output.end(); i++)
*i = QL_TOLOWER(*i);
return output;
}
std::string StringFormatter::toUppercase(const std::string& s) {
std::string output = s;
for (std::string::iterator i=output.begin(); i!=output.end(); i++)
*i = QL_TOUPPER(*i);
return output;
}
}
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