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// ratio_io
//
// (C) Copyright Howard Hinnant
// Use, modification and distribution are subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt).
#ifndef _RATIO_IO
#define _RATIO_IO
/*
ratio_io synopsis
#include <ratio>
#include <string>
namespace std
{
template <class Ratio, class charT>
struct ratio_string
{
static basic_string<charT> symbol();
static basic_string<charT> prefix();
};
} // std
*/
#include <ratio>
#include <string>
#include <sstream>
namespace std {
template <class _Ratio, class _CharT>
struct ratio_string
{
static basic_string<_CharT> symbol() {return prefix();}
static basic_string<_CharT> prefix();
};
template <class _Ratio, class _CharT>
basic_string<_CharT>
ratio_string<_Ratio, _CharT>::prefix()
{
basic_ostringstream<_CharT> __os;
__os << _CharT('[') << _Ratio::num << _CharT('/')
<< _Ratio::den << _CharT(']');
return __os.str();
}
// atto
template <>
struct ratio_string<atto, char>
{
static string symbol() {return string(1, 'a');}
static string prefix() {return string("atto");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<atto, char16_t>
{
static u16string symbol() {return u16string(1, u'a');}
static u16string prefix() {return u16string(u"atto");}
};
template <>
struct ratio_string<atto, char32_t>
{
static u32string symbol() {return u32string(1, U'a');}
static u32string prefix() {return u32string(U"atto");}
};
#endif
template <>
struct ratio_string<atto, wchar_t>
{
static wstring symbol() {return wstring(1, L'a');}
static wstring prefix() {return wstring(L"atto");}
};
// femto
template <>
struct ratio_string<femto, char>
{
static string symbol() {return string(1, 'f');}
static string prefix() {return string("femto");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<femto, char16_t>
{
static u16string symbol() {return u16string(1, u'f');}
static u16string prefix() {return u16string(u"femto");}
};
template <>
struct ratio_string<femto, char32_t>
{
static u32string symbol() {return u32string(1, U'f');}
static u32string prefix() {return u32string(U"femto");}
};
#endif
template <>
struct ratio_string<femto, wchar_t>
{
static wstring symbol() {return wstring(1, L'f');}
static wstring prefix() {return wstring(L"femto");}
};
// pico
template <>
struct ratio_string<pico, char>
{
static string symbol() {return string(1, 'p');}
static string prefix() {return string("pico");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<pico, char16_t>
{
static u16string symbol() {return u16string(1, u'p');}
static u16string prefix() {return u16string(u"pico");}
};
template <>
struct ratio_string<pico, char32_t>
{
static u32string symbol() {return u32string(1, U'p');}
static u32string prefix() {return u32string(U"pico");}
};
#endif
template <>
struct ratio_string<pico, wchar_t>
{
static wstring symbol() {return wstring(1, L'p');}
static wstring prefix() {return wstring(L"pico");}
};
// nano
template <>
struct ratio_string<nano, char>
{
static string symbol() {return string(1, 'n');}
static string prefix() {return string("nano");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<nano, char16_t>
{
static u16string symbol() {return u16string(1, u'n');}
static u16string prefix() {return u16string(u"nano");}
};
template <>
struct ratio_string<nano, char32_t>
{
static u32string symbol() {return u32string(1, U'n');}
static u32string prefix() {return u32string(U"nano");}
};
#endif
template <>
struct ratio_string<nano, wchar_t>
{
static wstring symbol() {return wstring(1, L'n');}
static wstring prefix() {return wstring(L"nano");}
};
// micro
template <>
struct ratio_string<micro, char>
{
static string symbol() {return string("\xC2\xB5");}
static string prefix() {return string("micro");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<micro, char16_t>
{
static u16string symbol() {return u16string(1, u'\xB5');}
static u16string prefix() {return u16string(u"micro");}
};
template <>
struct ratio_string<micro, char32_t>
{
static u32string symbol() {return u32string(1, U'\xB5');}
static u32string prefix() {return u32string(U"micro");}
};
#endif
template <>
struct ratio_string<micro, wchar_t>
{
static wstring symbol() {return wstring(1, L'\xB5');}
static wstring prefix() {return wstring(L"micro");}
};
// milli
template <>
struct ratio_string<milli, char>
{
static string symbol() {return string(1, 'm');}
static string prefix() {return string("milli");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<milli, char16_t>
{
static u16string symbol() {return u16string(1, u'm');}
static u16string prefix() {return u16string(u"milli");}
};
template <>
struct ratio_string<milli, char32_t>
{
static u32string symbol() {return u32string(1, U'm');}
static u32string prefix() {return u32string(U"milli");}
};
#endif
template <>
struct ratio_string<milli, wchar_t>
{
static wstring symbol() {return wstring(1, L'm');}
static wstring prefix() {return wstring(L"milli");}
};
// centi
template <>
struct ratio_string<centi, char>
{
static string symbol() {return string(1, 'c');}
static string prefix() {return string("centi");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<centi, char16_t>
{
static u16string symbol() {return u16string(1, u'c');}
static u16string prefix() {return u16string(u"centi");}
};
template <>
struct ratio_string<centi, char32_t>
{
static u32string symbol() {return u32string(1, U'c');}
static u32string prefix() {return u32string(U"centi");}
};
#endif
template <>
struct ratio_string<centi, wchar_t>
{
static wstring symbol() {return wstring(1, L'c');}
static wstring prefix() {return wstring(L"centi");}
};
// deci
template <>
struct ratio_string<deci, char>
{
static string symbol() {return string(1, 'd');}
static string prefix() {return string("deci");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<deci, char16_t>
{
static u16string symbol() {return u16string(1, u'd');}
static u16string prefix() {return u16string(u"deci");}
};
template <>
struct ratio_string<deci, char32_t>
{
static u32string symbol() {return u32string(1, U'd');}
static u32string prefix() {return u32string(U"deci");}
};
#endif
template <>
struct ratio_string<deci, wchar_t>
{
static wstring symbol() {return wstring(1, L'd');}
static wstring prefix() {return wstring(L"deci");}
};
// deca
template <>
struct ratio_string<deca, char>
{
static string symbol() {return string("da");}
static string prefix() {return string("deca");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<deca, char16_t>
{
static u16string symbol() {return u16string(u"da");}
static u16string prefix() {return u16string(u"deca");}
};
template <>
struct ratio_string<deca, char32_t>
{
static u32string symbol() {return u32string(U"da");}
static u32string prefix() {return u32string(U"deca");}
};
#endif
template <>
struct ratio_string<deca, wchar_t>
{
static wstring symbol() {return wstring(L"da");}
static wstring prefix() {return wstring(L"deca");}
};
// hecto
template <>
struct ratio_string<hecto, char>
{
static string symbol() {return string(1, 'h');}
static string prefix() {return string("hecto");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<hecto, char16_t>
{
static u16string symbol() {return u16string(1, u'h');}
static u16string prefix() {return u16string(u"hecto");}
};
template <>
struct ratio_string<hecto, char32_t>
{
static u32string symbol() {return u32string(1, U'h');}
static u32string prefix() {return u32string(U"hecto");}
};
#endif
template <>
struct ratio_string<hecto, wchar_t>
{
static wstring symbol() {return wstring(1, L'h');}
static wstring prefix() {return wstring(L"hecto");}
};
// kilo
template <>
struct ratio_string<kilo, char>
{
static string symbol() {return string(1, 'k');}
static string prefix() {return string("kilo");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<kilo, char16_t>
{
static u16string symbol() {return u16string(1, u'k');}
static u16string prefix() {return u16string(u"kilo");}
};
template <>
struct ratio_string<kilo, char32_t>
{
static u32string symbol() {return u32string(1, U'k');}
static u32string prefix() {return u32string(U"kilo");}
};
#endif
template <>
struct ratio_string<kilo, wchar_t>
{
static wstring symbol() {return wstring(1, L'k');}
static wstring prefix() {return wstring(L"kilo");}
};
// mega
template <>
struct ratio_string<mega, char>
{
static string symbol() {return string(1, 'M');}
static string prefix() {return string("mega");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<mega, char16_t>
{
static u16string symbol() {return u16string(1, u'M');}
static u16string prefix() {return u16string(u"mega");}
};
template <>
struct ratio_string<mega, char32_t>
{
static u32string symbol() {return u32string(1, U'M');}
static u32string prefix() {return u32string(U"mega");}
};
#endif
template <>
struct ratio_string<mega, wchar_t>
{
static wstring symbol() {return wstring(1, L'M');}
static wstring prefix() {return wstring(L"mega");}
};
// giga
template <>
struct ratio_string<giga, char>
{
static string symbol() {return string(1, 'G');}
static string prefix() {return string("giga");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<giga, char16_t>
{
static u16string symbol() {return u16string(1, u'G');}
static u16string prefix() {return u16string(u"giga");}
};
template <>
struct ratio_string<giga, char32_t>
{
static u32string symbol() {return u32string(1, U'G');}
static u32string prefix() {return u32string(U"giga");}
};
#endif
template <>
struct ratio_string<giga, wchar_t>
{
static wstring symbol() {return wstring(1, L'G');}
static wstring prefix() {return wstring(L"giga");}
};
// tera
template <>
struct ratio_string<tera, char>
{
static string symbol() {return string(1, 'T');}
static string prefix() {return string("tera");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<tera, char16_t>
{
static u16string symbol() {return u16string(1, u'T');}
static u16string prefix() {return u16string(u"tera");}
};
template <>
struct ratio_string<tera, char32_t>
{
static u32string symbol() {return u32string(1, U'T');}
static u32string prefix() {return u32string(U"tera");}
};
#endif
template <>
struct ratio_string<tera, wchar_t>
{
static wstring symbol() {return wstring(1, L'T');}
static wstring prefix() {return wstring(L"tera");}
};
// peta
template <>
struct ratio_string<peta, char>
{
static string symbol() {return string(1, 'P');}
static string prefix() {return string("peta");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<peta, char16_t>
{
static u16string symbol() {return u16string(1, u'P');}
static u16string prefix() {return u16string(u"peta");}
};
template <>
struct ratio_string<peta, char32_t>
{
static u32string symbol() {return u32string(1, U'P');}
static u32string prefix() {return u32string(U"peta");}
};
#endif
template <>
struct ratio_string<peta, wchar_t>
{
static wstring symbol() {return wstring(1, L'P');}
static wstring prefix() {return wstring(L"peta");}
};
// exa
template <>
struct ratio_string<exa, char>
{
static string symbol() {return string(1, 'E');}
static string prefix() {return string("exa");}
};
#if HAS_UNICODE_SUPPORT
template <>
struct ratio_string<exa, char16_t>
{
static u16string symbol() {return u16string(1, u'E');}
static u16string prefix() {return u16string(u"exa");}
};
template <>
struct ratio_string<exa, char32_t>
{
static u32string symbol() {return u32string(1, U'E');}
static u32string prefix() {return u32string(U"exa");}
};
#endif
template <>
struct ratio_string<exa, wchar_t>
{
static wstring symbol() {return wstring(1, L'E');}
static wstring prefix() {return wstring(L"exa");}
};
}
#endif // _RATIO_IO