115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
///\file
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/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2025 BMW AG
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#ifndef ETL_PRINT_INCLUDED
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#define ETL_PRINT_INCLUDED
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#include "platform.h"
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#include "format.h"
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#if ETL_USING_CPP11
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// to be implemented in a concrete project, typically printing to a serial
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// console type int here is the convention from putchar(), actually storing char
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extern "C" void etl_putchar(int c);
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namespace etl
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{
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namespace private_print
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{
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using char_type = etl::private_format::char_type;
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// No-op iterator that forwards all assignments to etl_putchar
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class print_iterator
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{
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public:
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class print_to
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{
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public:
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print_to& operator=(char_type c)
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{
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etl_putchar(static_cast<int>(c));
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return *this;
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}
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};
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print_iterator() {}
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print_iterator(const print_iterator&) {}
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print_iterator& operator=(const print_iterator&)
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{
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return *this;
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}
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print_to operator*()
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{
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return print_to();
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}
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print_iterator& operator++()
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{
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return *this;
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}
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print_iterator operator++(int)
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{
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return *this;
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}
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};
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} // namespace private_print
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template <class... Args>
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void print(etl::format_string<Args...> fmt, Args&&... args)
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{
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private_print::print_iterator it;
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(void)format_to(it, etl::move(fmt), etl::forward<Args>(args)...);
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}
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inline void println()
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{
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etl_putchar(static_cast<int>('\n'));
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}
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template <class... Args>
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void println(etl::format_string<Args...> fmt, Args&&... args)
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{
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private_print::print_iterator it;
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(void)format_to(it, etl::move(fmt), etl::forward<Args>(args)...);
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println();
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}
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} // namespace etl
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#endif
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#endif
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