11be35a165
To do so, a few dependencies have been imported: * external/bsd/lutok * external/mit/lua * external/public-domain/sqlite * external/public-domain/xz The Kyua framework is the new generation of ATF (Automated Test Framework), it is composed of: * external/bsd/atf * external/bsd/kyua-atf-compat * external/bsd/kyua-cli * external/bsd/kyua-tester * tests Kyua/ATF being written in C++, it depends on libstdc++ which is provided by GCC. As this is not part of the sources, Kyua is only compiled when the native GCC utils are installed. To install Kyua do the following: * In a cross-build enviromnent, add the following to the build.sh commandline: -V MKBINUTILS=yes -V MKGCCCMDS=yes WARNING: At this point the import is still experimental, and not supported on native builds (a.k.a make build). Change-Id: I26aee23c5bbd2d64adcb7c1beb98fe0d479d7ada
142 lines
4.5 KiB
C++
142 lines
4.5 KiB
C++
// Copyright 2010 Google 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 are
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// met:
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//
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// * 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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// * 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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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "cli/cmd_about.hpp"
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#include <cstdlib>
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#include <fstream>
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#include <utility>
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#include <vector>
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#include "cli/common.ipp"
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#include "utils/cmdline/exceptions.hpp"
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#include "utils/cmdline/parser.ipp"
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#include "utils/cmdline/ui.hpp"
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#include "utils/defs.hpp"
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#include "utils/env.hpp"
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#include "utils/format/macros.hpp"
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#include "utils/fs/path.hpp"
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#include "utils/sanity.hpp"
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#if defined(HAVE_CONFIG_H)
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# include "config.h"
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#endif
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namespace cmdline = utils::cmdline;
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namespace config = utils::config;
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namespace fs = utils::fs;
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using cli::cmd_about;
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namespace {
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/// Print the contents of a document.
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///
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/// If the file cannot be opened for whatever reason, an error message is
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/// printed to the output of the program instead of the contents of the file.
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///
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/// \param ui Object to interact with the I/O of the program.
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/// \param file The file to print.
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///
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/// \return True if the file was printed, false otherwise.
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static bool
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cat_file(cmdline::ui* ui, const fs::path& file)
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{
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std::ifstream input(file.c_str());
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if (!input) {
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ui->err(F("Failed to open %s") % file);
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return false;
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}
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std::string line;
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while (std::getline(input, line).good())
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ui->out(line);
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input.close();
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return true;
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}
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} // anonymous namespace
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/// Default constructor for cmd_about.
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cmd_about::cmd_about(void) : cli_command(
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"about", "[authors|license|version]", 0, 1,
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"Shows general program information")
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{
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}
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/// Entry point for the "about" subcommand.
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///
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/// \param ui Object to interact with the I/O of the program.
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/// \param cmdline Representation of the command line to the subcommand.
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/// \param unused_user_config The runtime configuration of the program.
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///
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/// \return 0 if everything is OK, 1 if any of the necessary documents cannot be
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/// opened.
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int
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cmd_about::run(cmdline::ui* ui, const cmdline::parsed_cmdline& cmdline,
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const config::tree& UTILS_UNUSED_PARAM(user_config))
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{
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const fs::path docdir(utils::getenv_with_default(
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"KYUA_DOCDIR", KYUA_DOCDIR));
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bool success = true;
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if (cmdline.arguments().empty()) {
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ui->out(PACKAGE " (" PACKAGE_NAME ") " PACKAGE_VERSION);
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ui->out("");
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ui->out("License terms:");
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ui->out("");
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success &= cat_file(ui, docdir / "COPYING");
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ui->out("");
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ui->out("Brought to you by:");
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ui->out("");
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success &= cat_file(ui, docdir / "AUTHORS");
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ui->out("");
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ui->out(F("Homepage: %s") % PACKAGE_URL);
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} else {
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const std::string& topic = cmdline.arguments()[0];
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if (topic == "authors") {
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success &= cat_file(ui, docdir / "AUTHORS");
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} else if (topic == "license") {
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success &= cat_file(ui, docdir / "COPYING");
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} else if (topic == "version") {
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ui->out(PACKAGE " (" PACKAGE_NAME ") " PACKAGE_VERSION);
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} else {
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throw cmdline::usage_error(F("Invalid about topic '%s'") % topic);
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}
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}
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return success ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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