1 files changed, 345 insertions, 0 deletions
diff --git a/atf-c++/detail/application.cpp b/atf-c++/detail/application.cpp
new file mode 100644
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+++ b/atf-c++/detail/application.cpp
@@ -0,0 +1,345 @@
+//
+// Automated Testing Framework (atf)
+//
+// 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.
+//
+
+#if defined(HAVE_CONFIG_H)
+#include "bconfig.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 "application.hpp"
+#include "sanity.hpp"
+#include "ui.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,
+               const std::string& global_manpage,
+               const bool use_ui) :
+    m_hflag(false),
+    m_argc(-1),
+    m_argv(NULL),
+    m_prog_name(NULL),
+    m_description(description),
+    m_manpage(manpage),
+    m_global_manpage(global_manpage),
+    m_use_ui(use_ui)
+{
+}
+
+impl::app::~app(void)
+{
+}
+
+bool
+impl::app::inited(void)
+{
+    return m_argc != -1;
+}
+
+impl::app::options_set
+impl::app::options(void)
+{
+    options_set opts = specific_options();
+    if (m_use_ui) {
+        opts.insert(option('h', "", "Shows this help message"));
+    }
+    return opts;
+}
+
+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 'h':
+                INV(m_use_ui);
+                m_hflag = true;
+                break;
+
+            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
+}
+
+void
+impl::app::usage(std::ostream& os)
+{
+    PRE(inited());
+
+    std::string args = specific_args();
+    if (!args.empty())
+        args = " " + args;
+    os << ui::format_text_with_tag(std::string(m_prog_name) + " [options]" +
+                                   args, "Usage: ", false) << "\n\n"
+       << ui::format_text(m_description) << "\n\n";
+
+    options_set opts = options();
+    INV(!opts.empty());
+    os << "Available options:\n";
+    size_t coldesc = 0;
+    for (options_set::const_iterator iter = opts.begin();
+         iter != opts.end(); iter++) {
+        const option& opt = (*iter);
+
+        if (opt.m_argument.length() + 1 > coldesc)
+            coldesc = opt.m_argument.length() + 1;
+    }
+    for (options_set::const_iterator iter = opts.begin();
+         iter != opts.end(); iter++) {
+        const option& opt = (*iter);
+
+        std::string tag = std::string("    -") + opt.m_character;
+        if (opt.m_argument.empty())
+            tag += "    ";
+        else
+            tag += " " + opt.m_argument + "    ";
+        os << ui::format_text_with_tag(opt.m_description, tag, false,
+                                       coldesc + 10) << "\n";
+    }
+    os << "\n";
+
+    std::string gmp;
+    if (!m_global_manpage.empty())
+        gmp = " and " + m_global_manpage;
+    os << ui::format_text("For more details please see " + m_manpage +
+                          gmp + ".")
+       << "\n";
+}
+
+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 {
+        int oldargc = m_argc;
+
+        process_options();
+
+        if (m_hflag) {
+            INV(m_use_ui);
+            if (oldargc != 2)
+                throw usage_error("-h must be given alone.");
+
+            usage(std::cout);
+            errcode = EXIT_SUCCESS;
+        } else
+            errcode = main();
+    } catch (const usage_error& e) {
+        if (m_use_ui) {
+            std::cerr << ui::format_error(m_prog_name, e.what()) << "\n"
+                      << ui::format_info(m_prog_name, std::string("Type `") +
+                                         m_prog_name + " -h' for more details.")
+                      << "\n";
+        } else {
+            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) {
+        if (m_use_ui) {
+            std::cerr << ui::format_error(m_prog_name, std::string(e.what()))
+                      << "\n";
+        } else {
+            std::cerr << m_prog_name << ": ERROR: " << e.what() << "\n";
+        }
+        errcode = EXIT_FAILURE;
+    } catch (const std::exception& e) {
+        if (m_use_ui) {
+            std::cerr << ui::format_error(m_prog_name, std::string("Caught "
+                "unexpected error: ") + e.what() + "\n" + bug) << "\n";
+        } else {
+            std::cerr << m_prog_name << ": ERROR: Caught unexpected error: "
+                      << e.what() << "\n";
+        }
+        errcode = EXIT_FAILURE;
+    } catch (...) {
+        if (m_use_ui) {
+            std::cerr << ui::format_error(m_prog_name, std::string("Caught "
+                "unknown error\n") + bug) << "\n";
+        } else {
+            std::cerr << m_prog_name << ": ERROR: Caught unknown error\n";
+        }
+        errcode = EXIT_FAILURE;
+    }
+    return errcode;
+}