整理

include/boost/process/v1/exe.hpp

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+// Copyright (c) 2006, 2007 Julio M. Merino Vidal
+// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
+// Copyright (c) 2009 Boris Schaeling
+// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
+// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
+// Copyright (c) 2016 Klemens D. Morgenstern
+//
+// 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)
+
+#ifndef BOOST_PROCESS_EXE_HPP
+#define BOOST_PROCESS_EXE_HPP
+
+#include <boost/process/v1/detail/basic_cmd.hpp>
+
+/** \file boost/process/exe.hpp
+ *
+ *    Header which provides the exe property.
+\xmlonly
+<programlisting>
+namespace boost {
+  namespace process { BOOST_PROCESS_V1_INLINE namespace v1 {
+    <emphasis>unspecified</emphasis> <globalname alt="boost::process::v1::exe">exe</globalname>;
+  }
+}
+</programlisting>
+\endxmlonly
+ */
+namespace boost {
+namespace filesystem { class path; }
+
+namespace process { BOOST_PROCESS_V1_INLINE namespace v1 {
+
+namespace detail {
+
+struct exe_
+{
+    template<typename = void>
+    inline exe_setter_<typename boost::process::v1::filesystem::path::value_type> operator()(const boost::process::v1::filesystem::path & pth) const
+    {
+        return exe_setter_<typename boost::process::v1::filesystem::path::value_type>(pth.native());
+    }
+
+    template<typename = void>
+    inline exe_setter_<typename boost::process::v1::filesystem::path::value_type> operator=(const boost::process::v1::filesystem::path & pth) const
+    {
+        return exe_setter_<typename boost::process::v1::filesystem::path::value_type>(pth.native());
+    }
+
+
+    template<typename Char>
+    inline exe_setter_<Char> operator()(const Char *s) const
+    {
+        return exe_setter_<Char>(s);
+    }
+    template<typename Char>
+    inline exe_setter_<Char> operator= (const Char *s) const
+    {
+        return exe_setter_<Char>(s);
+    }
+
+    template<typename Char>
+    inline exe_setter_<Char> operator()(const std::basic_string<Char> &s) const
+    {
+        return exe_setter_<Char>(s);
+    }
+    template<typename Char>
+    inline exe_setter_<Char> operator= (const std::basic_string<Char> &s) const
+    {
+        return exe_setter_<Char>(s);
+    }
+};
+
+}
+
+/** The exe property allows to explicitly set the executable.
+
+The overload form applies when to the first, when several strings are passed to a launching
+function.
+
+The following expressions are valid, with `value` being either a C-String or
+a `std::basic_string` with `char` or `wchar_t` or a `boost::process::v1::filesystem::path`.
+
+\code{.cpp}
+exe="value";
+exe(value);
+\endcode
+
+The property can only be used for assignments.
+
+
+ */
+constexpr boost::process::v1::detail::exe_ exe{};
+
+}}}
+
+#endif