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https://github.com/KingDuckZ/kamokan.git
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Add parser for ini file
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ed25d60351
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3 changed files with 185 additions and 0 deletions
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@ -20,6 +20,7 @@ add_executable(${PROJECT_NAME}
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curl_wrapper.cpp
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index_response.cpp
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pastie_response.cpp
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ini_file.cpp
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)
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target_include_directories(${PROJECT_NAME} SYSTEM
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139
src/ini_file.cpp
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139
src/ini_file.cpp
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@ -0,0 +1,139 @@
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/* Copyright 2017, Michele Santullo
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* This file is part of "tawashi".
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*
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* "tawashi" 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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*
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* "tawashi" 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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*
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* You should have received a copy of the GNU General Public License
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* along with "tawashi". If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ini_file.hpp"
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#include <utility>
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#include <boost/spirit/include/qi_core.hpp>
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#include <boost/spirit/include/qi_plus.hpp>
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#include <boost/spirit/include/qi_raw.hpp>
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#include <boost/spirit/include/qi_lit.hpp>
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#include <boost/spirit/include/qi_char_.hpp>
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#include <boost/spirit/include/qi_kleene.hpp>
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#include <boost/spirit/include/qi_rule.hpp>
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#include <boost/spirit/include/qi_as_string.hpp>
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#include <boost/spirit/include/qi_eol.hpp>
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#include <boost/spirit/include/qi_grammar.hpp>
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#include <boost/spirit/include/phoenix_stl.hpp>
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#include <boost/spirit/include/phoenix_operator.hpp>
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#include <boost/spirit/include/phoenix_bind.hpp>
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#include <boost/phoenix/object/construct.hpp>
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#include <boost/phoenix/bind/bind_member_function.hpp>
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#include <boost/phoenix/bind/bind_member_variable.hpp>
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#include <boost/fusion/adapted/std_pair.hpp>
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#include <type_traits>
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namespace tawashi {
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namespace {
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typedef std::string string_type;
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template <typename Iterator, typename Skipper>
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struct IniGrammar : boost::spirit::qi::grammar<Iterator, IniFile::IniMapType(), Skipper> {
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explicit IniGrammar (const std::string* parString);
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boost::spirit::qi::rule<Iterator, IniFile::IniMapType(), Skipper> start;
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boost::spirit::qi::rule<Iterator, string_type(), Skipper> section_head;
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boost::spirit::qi::rule<Iterator, string_type(), Skipper> key;
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boost::spirit::qi::rule<Iterator, IniFile::KeyValueMapType::value_type(), Skipper> key_value;
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boost::spirit::qi::rule<Iterator, IniFile::KeyValueMapType(), Skipper> key_values;
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const std::string* m_master_string;
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Iterator m_begin;
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};
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template <typename Iterator, typename Skipper>
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IniGrammar<Iterator, Skipper>::IniGrammar (const std::string* parString) :
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IniGrammar::base_type(start),
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m_master_string(parString),
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m_begin(m_master_string->cbegin())
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{
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assert(m_master_string);
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namespace px = boost::phoenix;
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using boost::spirit::ascii::space;
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using boost::spirit::qi::_val;
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using boost::spirit::_1;
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using boost::spirit::qi::char_;
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using boost::spirit::qi::eol;
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typedef IniFile::KeyValueMapType refpair;
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section_head = '[' >> +(char_ - ']') >> ']' >> eol;
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key = +(char_ - '=');
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key_value = key >> '=' >> *(char_ - eol) >> eol;
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key_values = *key_value;
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start = *(section_head >> key_values);
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//start %= *(section_head >> key_values);
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//key_values %= *key_value;
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//key_value = key[px::bind(&refpair::first, _val) = _1] >> '=' >>
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// raw[*char_][px::bind(&refpair::second, _val) = px::bind(
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// &string_ref::substr,
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// px::construct<string_ref>(px::ref(*m_master_string)),
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// px::begin(_1) - px::ref(m_begin), px::size(_1)
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//)];
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//key = as_string[+(char_ - '=')][_val = px::bind(
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// &string_ref::substr,
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// px::construct<string_ref>(px::ref(*m_master_string)),
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// px::begin(_1) - px::ref(m_begin), px::size(_1)
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//)];
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//section_head = '[' >> as_string[(+char_ - ']')][_val = px::bind(
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// &string_ref::substr,
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// px::construct<string_ref>(px::ref(*m_master_string)),
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// px::begin(_1) - px::ref(m_begin), px::size(_1)
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//)] >> ']';
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}
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IniFile::IniMapType parse_ini (const std::string* parIni) {
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using boost::spirit::qi::blank;
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using boost::spirit::qi::blank_type;
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IniGrammar<std::string::const_iterator, blank_type> gramm(parIni);
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IniFile::IniMapType result;
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std::string::const_iterator start_it = parIni->cbegin();
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/*const bool parse_ok =*/ boost::spirit::qi::phrase_parse(
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start_it,
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parIni->cend(),
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gramm,
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blank,
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result
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);
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//assert(parse_ok and (parIni->cend() == start_it));
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return result;
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}
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} //unnamed namespace
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IniFile::IniFile (std::istream_iterator<char> parInputFrom, std::istream_iterator<char> parInputEnd) :
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IniFile(std::string(parInputFrom, parInputEnd))
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{
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}
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IniFile::IniFile (std::string&& parIniData) :
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m_raw_ini(std::move(parIniData)),
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m_map(parse_ini(&m_raw_ini))
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{
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}
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IniFile::IniFile (IniFile&& parOther) {
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auto* const old_data_ptr = parOther.m_raw_ini.data();
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m_raw_ini = std::move(parOther.m_raw_ini);
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if (m_raw_ini.data() == old_data_ptr)
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m_map = std::move(parOther.m_map);
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else
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m_map = parse_ini(&m_raw_ini);
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}
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IniFile::~IniFile() noexcept {
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}
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} //namespace tawashi
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45
src/ini_file.hpp
Normal file
45
src/ini_file.hpp
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@ -0,0 +1,45 @@
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/* Copyright 2017, Michele Santullo
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* This file is part of "tawashi".
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*
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* "tawashi" 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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*
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* "tawashi" 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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*
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* You should have received a copy of the GNU General Public License
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* along with "tawashi". If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <boost/container/flat_map.hpp>
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#include <iterator>
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#include <string>
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namespace tawashi {
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class IniFile {
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public:
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typedef boost::container::flat_map<std::string, std::string> KeyValueMapType;
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typedef boost::container::flat_map<std::string, KeyValueMapType> IniMapType;
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IniFile (std::istream_iterator<char> parInputFrom, std::istream_iterator<char> parInputEnd);
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explicit IniFile (std::string&& parIniData);
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IniFile (IniFile&& parOther);
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IniFile (const IniFile& parOther) = delete;
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~IniFile() noexcept;
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IniFile& operator== (IniFile&&) = delete;
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IniFile& operator== (const IniFile&) = delete;
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const IniMapType& parsed() const { return m_map; }
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private:
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std::string m_raw_ini;
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IniMapType m_map;
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};
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} //namespace tawashi
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