-/*

- 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);}

-}