mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
b1d8a1791b
This is by default auto-detected, can be actively disabled (including auto-detection), or forcefully enabled. A non-supporting terminal will silently ignore the generated hyperlink anchor and just print the file name.
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
/*
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This file is part of solidity.
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solidity 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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solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <boost/filesystem.hpp>
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#include <iostream>
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#include <string>
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// Required for gethostname()
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#if defined(_WIN32)
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#include <Winsock2.h>
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#else
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#include <unistd.h>
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#endif
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namespace solidity::util
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{
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struct Hyperlink
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{
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bool enabled = false;
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struct Ref { bool enabled; std::string text; };
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Ref operator()(std::string const& _ref) { return Ref{enabled, _ref}; }
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};
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inline std::ostream& operator<<(std::ostream& _os, Hyperlink::Ref const& _hyperlink)
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{
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auto const path = boost::filesystem::path{_hyperlink.text};
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bool const candidate = boost::filesystem::is_regular_file(path) && (&_os == &std::cout || &_os == &std::cerr);
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if (_hyperlink.enabled && candidate)
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{
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static std::string const hostname = []() -> std::string {
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char hostname[80] = {0};
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if (gethostname(hostname, sizeof(hostname)) < 0)
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return std::string{};
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return std::string{hostname};
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}();
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auto const abspath = boost::filesystem::canonical(boost::filesystem::absolute(path));
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auto constexpr OSC8 = "\033]8;;";
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auto constexpr ST = "\033\\";
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_os << OSC8 << "file://" << hostname << abspath.generic_string() << ST;
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_os << _hyperlink.text;
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_os << OSC8 << ST;
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}
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else
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_os << _hyperlink.text;
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return _os;
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}
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} // end namespace
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