| // Boost.Units - A C++ library for zero-overhead dimensional analysis and |
| // unit/quantity manipulation and conversion |
| // |
| // Copyright (C) 2003-2008 Matthias Christian Schabel |
| // Copyright (C) 2007-2008 Steven Watanabe |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See |
| // accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| #include <iterator> |
| #include <string> |
| #include <utility> |
| #include <set> |
| #include <map> |
| #include <iostream> |
| |
| #include <boost/filesystem.hpp> |
| #include <boost/filesystem/fstream.hpp> |
| #include <boost/regex.hpp> |
| |
| namespace filesystem = boost::filesystem; |
| |
| //struct stop { |
| // stop() { char c; std::cin >> c; } |
| //} stop_; |
| |
| boost::regex whitespace("\\s*"); |
| boost::regex blank_line("\\A(?://.*$|\\s)*"); |
| |
| boost::regex include_guard("#ifndef (\\w+)\n#define \\1\n"); |
| boost::regex base_unit("(\\w*_base_unit)(?:;| :)"); |
| |
| std::pair<std::string, std::string> get_base_unit_and_include_guard(const filesystem::path& path) { |
| filesystem::ifstream in(path); |
| std::string contents(std::istreambuf_iterator<char>(in.rdbuf()), std::istreambuf_iterator<char>()); |
| in.close(); |
| boost::smatch include_guard_match; |
| boost::regex_search(contents, include_guard_match, include_guard); |
| boost::smatch base_unit_match; |
| boost::regex_search(contents, base_unit_match, base_unit); |
| std::cout << "creating map entry: " << base_unit_match[1].str() << " -> "<< include_guard_match[1].str() << std::endl; |
| return(std::make_pair(base_unit_match[1].str(), include_guard_match[1].str())); |
| } |
| |
| int main() { |
| std::cout << "In main" << std::endl; |
| std::map<std::string, std::string> include_guards; |
| for(filesystem::directory_iterator begin(filesystem::path("../../../boost/units/systems/base_units")), end; begin != end; ++begin) { |
| if(begin->status().type() == filesystem::regular_file) { |
| std::cout << "reading file: " << begin->path() << std::endl; |
| include_guards.insert(get_base_unit_and_include_guard(begin->path())); |
| } |
| } |
| |
| std::cout << "reading conversions file" << std::endl; |
| filesystem::ifstream conversions_file(filesystem::path("../../../boost/units/systems/base_units/detail/conversions.hpp")); |
| |
| std::string line; |
| int line_count = 0; |
| |
| boost::smatch match; |
| |
| std::set<std::string> conversion_guards; |
| |
| try { |
| |
| boost::regex include_guard_regex("#if defined\\((\\w+)\\) && defined\\((\\w+)\\) &&\\\\"); |
| std::cout << __LINE__ << std::endl; |
| boost::regex conversion_guard_regex(" !defined\\((\\w+)\\)"); |
| std::cout << __LINE__ << std::endl; |
| boost::regex set_conversion_guard(" #define (\\w+)"); |
| std::cout << __LINE__ << std::endl; |
| boost::regex include_conversion(" #include <boost/units/conversion.hpp>"); |
| std::cout << __LINE__ << std::endl; |
| boost::regex include_absolute(" #include <boost/units/absolute.hpp>"); |
| std::cout << __LINE__ << std::endl; |
| boost::regex define_conversion_factor(" BOOST_UNITS_DEFINE_CONVERSION_FACTOR\\(boost::units::(\\w+_base_unit), boost::units::(\\w+_base_unit), \\w+, (?:[\\d\\.e\\-/ ]*|one\\(\\))\\);"); |
| std::cout << __LINE__ << std::endl; |
| boost::regex define_conversion_offset(" BOOST_UNITS_DEFINE_CONVERSION_OFFSET\\(boost::units::(\\w+_base_unit), boost::units::(\\w+_base_unit), \\w+, [\\d\\.e+\\* \\-/]*\\);"); |
| std::cout << __LINE__ << std::endl; |
| boost::regex endif("#endif"); |
| std::cout << __LINE__ << std::endl; |
| |
| while(std::getline(conversions_file, line)) { |
| ++line_count; |
| std::cout << "on line: " << line_count << std::endl; |
| if(boost::regex_match(line, match, blank_line)) { |
| continue; |
| } else if(boost::regex_match(line, match, include_guard_regex)) { |
| std::string guard1, guard2, unit1, unit2, conversion_guard; |
| bool uses_absolute = false; |
| |
| guard1 = match[1].str(); |
| guard2 = match[2].str(); |
| if(!std::getline(conversions_file, line)) { std::cerr << "unexpected end of file." << std::endl; return(1); } ++line_count; |
| if(!boost::regex_match(line, match, conversion_guard_regex)) { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| |
| conversion_guard = match[1].str(); |
| if(!conversion_guards.insert(conversion_guard).second){ std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| |
| if(!std::getline(conversions_file, line)) { std::cerr << "unexpected end of file." << std::endl; return(1); } ++line_count; |
| if(!boost::regex_match(line, match, set_conversion_guard)) { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| std::cout << __LINE__ << std::endl; |
| |
| if(match[1].str() != conversion_guard) { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| |
| if(!std::getline(conversions_file, line)) { std::cerr << "unexpected end of file." << std::endl; return(1); } ++line_count; |
| if(!boost::regex_match(line, match, include_conversion)) { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| std::cout << __LINE__ << std::endl; |
| |
| if(!std::getline(conversions_file, line)) { std::cerr << "unexpected end of file." << std::endl; return(1); } ++line_count; |
| if(boost::regex_match(line, match, include_absolute)) { |
| uses_absolute = true; |
| if(!std::getline(conversions_file, line)) { std::cerr << "unexpected end of file." << std::endl; return(1); } ++line_count; |
| } |
| |
| std::cout << __LINE__ << std::endl; |
| if(!boost::regex_match(line, match, define_conversion_factor)) { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| |
| std::cout << __LINE__ << ": " << line << std::endl; |
| unit1 = match[1].str(); |
| unit2 = match[2].str(); |
| if(!((include_guards[unit1] == guard1 && include_guards[unit2] == guard2) || |
| (include_guards[unit1] == guard2 && include_guards[unit2] == guard1))) { |
| std::cerr << "guard1: " << guard1 << std::endl; |
| std::cerr << "guard2: " << guard2 << std::endl; |
| std::cerr << "unit1: " << unit1 << std::endl; |
| std::cerr << "unit2: " << unit2 << std::endl; |
| std::cerr << "include_guards[unit1]: " << include_guards[unit1] << std::endl; |
| std::cerr << "include_guards[unit2]: " << include_guards[unit2] << std::endl; |
| { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| } |
| std::cout << __LINE__ << std::endl; |
| |
| if(!std::getline(conversions_file, line)) { std::cerr << "unexpected end of file." << std::endl; return(1); } ++line_count; |
| std::cout << __LINE__ << std::endl; |
| if(boost::regex_match(line, match, define_conversion_offset)) { |
| if(!uses_absolute) { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| std::cout << __LINE__ << std::endl; |
| if(match[1].str() != unit1 || match[2].str() != unit2) { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| if(!std::getline(conversions_file, line)) { std::cerr << "unexpected end of file." << std::endl; return(1); } ++line_count; |
| } else { |
| if(uses_absolute) { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| } |
| std::cout << __LINE__ << std::endl; |
| |
| |
| if(!boost::regex_match(line, match, endif)) { std::cerr << "error on line: " << line_count << std::endl; return(1); } |
| |
| } |
| } |
| |
| } catch(std::exception& e) { |
| std::cerr << e.what() << std::endl; |
| return(1); |
| } |
| |
| } |