/*
Copyright 2022-2023 Gabriel Jensen.
This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>.
*/
#include <zap/str.hh>
#include "numdig.hh"
namespace zap {
namespace impl {
template<typename signtyp> zap_attr_iln inline static auto fmt(::zap::i02 * buf,signtyp signval,::zap::i8 const bs,::zap::i8 const rtl) noexcept -> void {
using typ = typename ::zap::usign<signtyp>;
char32_t const * digs = U"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
if (bs == 0xCu) digs = U"0123456789\u218A\u218B";
if (signval < 0x0) {
signval = -signval;
*buf++ = 0x2212u;
}
typ val = static_cast<typ>(signval);
if (rtl) {
buf += ::zap::impl::numdig(val,bs) - 0x1u;
for (;val > 0x0u;val /= bs) *buf-- = static_cast<::zap::i02>(digs[static_cast<::zap::sz>(val % static_cast<typ>(bs))]);
return;
}
for (;val > 0x0u;val /= bs) *buf++ = static_cast<::zap::i02>(digs[static_cast<::zap::sz>(val % static_cast<typ>(bs))]);
}
}
}
extern "C" {
auto zap_fmti( ::zap::i02 * const buf,int const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
auto zap_fmtl( ::zap::i02 * const buf,long const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
auto zap_fmtll( ::zap::i02 * const buf,long long const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
auto zap_fmts( ::zap::i02 * const buf,short const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
auto zap_fmtsc( ::zap::i02 * const buf,signed char const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
auto zap_fmtuc( ::zap::i02 * const buf,unsigned char const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
auto zap_fmtui( ::zap::i02 * const buf,unsigned int const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
auto zap_fmtul( ::zap::i02 * const buf,unsigned long const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
auto zap_fmtull(::zap::i02 * const buf,unsigned long long const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
auto zap_fmtus( ::zap::i02 * const buf,unsigned short const val,::zap::i8 const bs,::zap::i8 const rtl) -> void {return ::zap::impl::fmt(buf,val,bs,rtl);}
}