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Diffstat (limited to 'cli/cmd_config.cpp')
-rw-r--r-- | cli/cmd_config.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/cli/cmd_config.cpp b/cli/cmd_config.cpp new file mode 100644 index 000000000000..947449aacc2d --- /dev/null +++ b/cli/cmd_config.cpp @@ -0,0 +1,122 @@ +// Copyright 2011 The Kyua Authors. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * 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. +// * Neither the name of Google Inc. nor the names of its contributors +// may be used to endorse or promote products derived from this software +// without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT +// OWNER 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 "cli/cmd_config.hpp" + +#include <cstdlib> + +#include "cli/common.ipp" +#include "utils/cmdline/parser.ipp" +#include "utils/cmdline/ui.hpp" +#include "utils/config/tree.ipp" +#include "utils/format/macros.hpp" + +namespace cmdline = utils::cmdline; +namespace config = utils::config; + +using cli::cmd_config; + + +namespace { + + +/// Prints all configuration variables. +/// +/// \param ui Object to interact with the I/O of the program. +/// \param properties The key/value map representing all the configuration +/// variables. +/// +/// \return 0 for success. +static int +print_all(cmdline::ui* ui, const config::properties_map& properties) +{ + for (config::properties_map::const_iterator iter = properties.begin(); + iter != properties.end(); iter++) + ui->out(F("%s = %s") % (*iter).first % (*iter).second); + return EXIT_SUCCESS; +} + + +/// Prints the configuration variables that the user requests. +/// +/// \param ui Object to interact with the I/O of the program. +/// \param properties The key/value map representing all the configuration +/// variables. +/// \param filters The names of the configuration variables to print. +/// +/// \return 0 if all specified filters are valid; 1 otherwise. +static int +print_some(cmdline::ui* ui, const config::properties_map& properties, + const cmdline::args_vector& filters) +{ + bool ok = true; + + for (cmdline::args_vector::const_iterator iter = filters.begin(); + iter != filters.end(); iter++) { + const config::properties_map::const_iterator match = + properties.find(*iter); + if (match == properties.end()) { + cmdline::print_warning(ui, F("'%s' is not defined.") % *iter); + ok = false; + } else + ui->out(F("%s = %s") % (*match).first % (*match).second); + } + + return ok ? EXIT_SUCCESS : EXIT_FAILURE; +} + + +} // anonymous namespace + + +/// Default constructor for cmd_config. +cmd_config::cmd_config(void) : cli_command( + "config", "[variable1 .. variableN]", 0, -1, + "Inspects the values of configuration variables") +{ +} + + +/// Entry point for the "config" subcommand. +/// +/// \param ui Object to interact with the I/O of the program. +/// \param cmdline Representation of the command line to the subcommand. +/// \param user_config The runtime configuration of the program. +/// +/// \return 0 if everything is OK, 1 if any of the necessary documents cannot be +/// opened. +int +cmd_config::run(cmdline::ui* ui, const cmdline::parsed_cmdline& cmdline, + const config::tree& user_config) +{ + const config::properties_map properties = user_config.all_properties(); + if (cmdline.arguments().empty()) + return print_all(ui, properties); + else + return print_some(ui, properties, cmdline.arguments()); +} |