58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/**
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This file is a part of rexy's general purpose library
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Copyright (C) 2022 rexy712
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef REXY_DETAIL_FORMAT_NAMED_ARGS_TPP
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#define REXY_DETAIL_FORMAT_NAMED_ARGS_TPP
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#include "named_args.hpp"
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#include "basic_types.hpp"
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#include "../../utility.hpp" //strcmp
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namespace rexy::fmt::detail{
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template<class It, std::size_t I, class Arg, class... Args>
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constexpr std::size_t find_static_named_arg_id_impl(It first, It last){
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if constexpr(StaticNamedArg<Arg>){
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const auto len = last - first;
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const auto arg_len = Arg::static_name.length();
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if(len == arg_len){
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if(!rexy::strncmp(first, Arg::static_name.c_str(), arg_len)){
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return I;
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}
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}
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}
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if constexpr(sizeof...(Args)){
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return find_static_named_arg_id_impl<It,I+1,Args...>(first, last);
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}else{
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return invalid_arg_index;
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}
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}
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template<class It, class... Args>
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constexpr std::size_t find_static_named_arg_id(It first, It last){
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if constexpr(!sizeof...(Args)){
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return invalid_arg_index;
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}else{
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return find_static_named_arg_id_impl<It, 0, Args...>(first, last);
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}
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}
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}
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#endif
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