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97 lines
3.3 KiB
97 lines
3.3 KiB
#ifndef _TCUSTRINGTEMPLATE_HPP
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#define _TCUSTRINGTEMPLATE_HPP
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/*-------------------------------------------------------------------------
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* drawElements Quality Program Tester Core
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* ----------------------------------------
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*
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* Copyright 2014 The Android Open Source Project
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* Copyright (c) 2020 The Khronos Group Inc.
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* Copyright (c) 2020 Advanced Micro Devices, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief String template class.
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*//*--------------------------------------------------------------------*/
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#include <deStringUtil.hpp>
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#include <map>
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#include <string>
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namespace tcu
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{
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class StringTemplate
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{
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public:
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StringTemplate (void);
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StringTemplate (const std::string& str);
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~StringTemplate (void);
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void setString (const std::string& str);
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std::string specialize (const std::map<std::string, std::string>& params) const;
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template <typename... args_t>
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std::string format (args_t&&... args) const;
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private:
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StringTemplate (const StringTemplate&); // not allowed!
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StringTemplate& operator= (const StringTemplate&); // not allowed!
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std::string m_template;
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* Utility to unpack consecutive arguments into a parameter map
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*//*--------------------------------------------------------------------*/
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namespace detail
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{
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static constexpr const char* TOKENS[] = {
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"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
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"11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21",
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"22", "23", "24", "25", "26", "27", "28", "29", "30", "31", "32",
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"33", "34", "35", "36", "37", "38", "39", "40", "41", "42", "43",
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"44", "45", "46", "47", "48", "49", "50", "51", "52", "53", "54",
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"55", "56", "57", "58", "59", "60", "61", "62", "63"};
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template <size_t ARG_NUM, typename unpacked_t>
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inline void unpackArgs(unpacked_t&) {}
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template <size_t ARG_NUM, typename unpacked_t, typename arg_t, typename... args_t>
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inline void unpackArgs(unpacked_t& unpacked, arg_t&& cur, args_t&&... args)
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{
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static_assert(ARG_NUM < DE_LENGTH_OF_ARRAY(TOKENS),
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"ARG_NUM must be less than DE_LENGTH_OF_ARRAY(TOKENS)");
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unpacked[TOKENS[ARG_NUM]] = de::toString(cur);
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unpackArgs<ARG_NUM + 1>(unpacked, ::std::forward<args_t>(args)...);
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}
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} // detail
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/*--------------------------------------------------------------------*//*!
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* \brief Implementation of specialize() using a variable argument list
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*//*--------------------------------------------------------------------*/
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template <typename... args_t>
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std::string StringTemplate::format(args_t&&... args) const
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{
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std::map<std::string, std::string> unpacked = {};
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detail::unpackArgs<0>(unpacked, ::std::forward<args_t>(args)...);
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return specialize(unpacked);
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}
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} // tcu
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#endif // _TCUSTRINGTEMPLATE_HPP
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