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https://github.com/freebsd/freebsd-src
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108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
// Copyright (c) 2007 The NetBSD Foundation, Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#if !defined(ATF_CXX_DETAIL_APPLICATION_HPP)
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#define ATF_CXX_DETAIL_APPLICATION_HPP
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#include <ostream>
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#include <set>
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#include <stdexcept>
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#include <string>
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namespace atf {
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namespace application {
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// ------------------------------------------------------------------------
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// The "usage_error" class.
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// ------------------------------------------------------------------------
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class usage_error : public std::runtime_error {
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char m_text[4096];
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public:
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usage_error(const char*, ...) throw();
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~usage_error(void) throw();
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const char* what(void) const throw();
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};
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// ------------------------------------------------------------------------
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// The "option" class.
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// ------------------------------------------------------------------------
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class option {
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char m_character;
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std::string m_argument;
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std::string m_description;
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friend class app;
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public:
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option(char, const std::string&, const std::string&);
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bool operator<(const option&) const;
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};
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// ------------------------------------------------------------------------
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// The "app" class.
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// ------------------------------------------------------------------------
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class app {
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void process_options(void);
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void usage(std::ostream&);
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bool inited(void);
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protected:
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typedef std::set< option > options_set;
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int m_argc;
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char* const* m_argv;
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const char* m_argv0;
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const char* m_prog_name;
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std::string m_description;
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std::string m_manpage;
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options_set options(void);
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// To be redefined.
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virtual std::string specific_args(void) const;
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virtual options_set specific_options(void) const;
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virtual void process_option(int, const char*);
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virtual int main(void) = 0;
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public:
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app(const std::string&, const std::string&);
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virtual ~app(void);
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int run(int, char* const*);
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};
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} // namespace application
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} // namespace atf
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#endif // !defined(ATF_CXX_DETAIL_APPLICATION_HPP)
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