diff options
Diffstat (limited to 'contrib/atf/atf-c++/detail/application.cpp')
| -rw-r--r-- | contrib/atf/atf-c++/detail/application.cpp | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/contrib/atf/atf-c++/detail/application.cpp b/contrib/atf/atf-c++/detail/application.cpp new file mode 100644 index 000000000000..37086eb3ae8c --- /dev/null +++ b/contrib/atf/atf-c++/detail/application.cpp @@ -0,0 +1,249 @@ +// Copyright (c) 2007 The NetBSD Foundation, Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// +// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND +// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, +// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY +// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE +// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER +// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "atf-c++/detail/application.hpp" + +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif + +extern "C" { +#include <unistd.h> +} + +#include <cstdarg> +#include <cstdio> +#include <cstdlib> +#include <cstring> +#include <iostream> + +extern "C" { +#include "atf-c/defs.h" +} + +#include "atf-c++/detail/sanity.hpp" + +#if !defined(HAVE_VSNPRINTF_IN_STD) +namespace std { +using ::vsnprintf; +} +#endif // !defined(HAVE_VSNPRINTF_IN_STD) + +namespace impl = atf::application; +#define IMPL_NAME "atf::application" + +// ------------------------------------------------------------------------ +// The "usage_error" class. +// ------------------------------------------------------------------------ + +impl::usage_error::usage_error(const char *fmt, ...) + throw() : + std::runtime_error("usage_error; message unformatted") +{ + va_list ap; + + va_start(ap, fmt); + std::vsnprintf(m_text, sizeof(m_text), fmt, ap); + va_end(ap); +} + +impl::usage_error::~usage_error(void) + throw() +{ +} + +const char* +impl::usage_error::what(void) + const throw() +{ + return m_text; +} + +// ------------------------------------------------------------------------ +// The "application" class. +// ------------------------------------------------------------------------ + +impl::option::option(char ch, + const std::string& a, + const std::string& desc) : + m_character(ch), + m_argument(a), + m_description(desc) +{ +} + +bool +impl::option::operator<(const impl::option& o) + const +{ + return m_character < o.m_character; +} + +impl::app::app(const std::string& description, + const std::string& manpage) : + m_argc(-1), + m_argv(NULL), + m_prog_name(NULL), + m_description(description), + m_manpage(manpage) +{ +} + +impl::app::~app(void) +{ +} + +bool +impl::app::inited(void) +{ + return m_argc != -1; +} + +impl::app::options_set +impl::app::options(void) +{ + return specific_options(); +} + +std::string +impl::app::specific_args(void) + const +{ + return ""; +} + +impl::app::options_set +impl::app::specific_options(void) + const +{ + return options_set(); +} + +void +impl::app::process_option(int ch ATF_DEFS_ATTRIBUTE_UNUSED, + const char* arg ATF_DEFS_ATTRIBUTE_UNUSED) +{ +} + +void +impl::app::process_options(void) +{ + PRE(inited()); + + std::string optstr; +#if defined(HAVE_GNU_GETOPT) + optstr += '+'; // Turn on POSIX behavior. +#endif + optstr += ':'; + { + options_set opts = options(); + for (options_set::const_iterator iter = opts.begin(); + iter != opts.end(); iter++) { + const option& opt = (*iter); + + optstr += opt.m_character; + if (!opt.m_argument.empty()) + optstr += ':'; + } + } + + int ch; + const int old_opterr = ::opterr; + ::opterr = 0; + while ((ch = ::getopt(m_argc, m_argv, optstr.c_str())) != -1) { + switch (ch) { + case ':': + throw usage_error("Option -%c requires an argument.", + ::optopt); + + case '?': + throw usage_error("Unknown option -%c.", ::optopt); + + default: + process_option(ch, ::optarg); + } + } + m_argc -= ::optind; + m_argv += ::optind; + + // Clear getopt state just in case the test wants to use it. + opterr = old_opterr; + optind = 1; +#if defined(HAVE_OPTRESET) + optreset = 1; +#endif +} + +int +impl::app::run(int argc, char* const* argv) +{ + PRE(argc > 0); + PRE(argv != NULL); + + m_argc = argc; + m_argv = argv; + + m_argv0 = m_argv[0]; + + m_prog_name = std::strrchr(m_argv[0], '/'); + if (m_prog_name == NULL) + m_prog_name = m_argv[0]; + else + m_prog_name++; + + // Libtool workaround: if running from within the source tree (binaries + // that are not installed yet), skip the "lt-" prefix added to files in + // the ".libs" directory to show the real (not temporary) name. + if (std::strncmp(m_prog_name, "lt-", 3) == 0) + m_prog_name += 3; + + const std::string bug = + std::string("This is probably a bug in ") + m_prog_name + + " or one of the libraries it uses. Please report this problem to " + PACKAGE_BUGREPORT " and provide as many details as possible " + "describing how you got to this condition."; + + int errcode; + try { + process_options(); + errcode = main(); + } catch (const usage_error& e) { + std::cerr << m_prog_name << ": ERROR: " << e.what() << "\n"; + std::cerr << m_prog_name << ": See " << m_manpage << " for usage " + "details.\n"; + errcode = EXIT_FAILURE; + } catch (const std::runtime_error& e) { + std::cerr << m_prog_name << ": ERROR: " << e.what() << "\n"; + errcode = EXIT_FAILURE; + } catch (const std::exception& e) { + std::cerr << m_prog_name << ": ERROR: Caught unexpected error: " + << e.what() << "\n"; + errcode = EXIT_FAILURE; + } catch (...) { + std::cerr << m_prog_name << ": ERROR: Caught unknown error\n"; + errcode = EXIT_FAILURE; + } + return errcode; +} |