123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
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// Copyright 2011 The Kyua Authors.
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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_config.hpp"
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#include <cstdlib>
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#include "cli/common.ipp"
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#include "utils/cmdline/parser.ipp"
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#include "utils/cmdline/ui.hpp"
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#include "utils/config/tree.ipp"
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#include "utils/format/macros.hpp"
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namespace cmdline = utils::cmdline;
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namespace config = utils::config;
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using cli::cmd_config;
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namespace {
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/// Prints all configuration variables.
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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 properties The key/value map representing all the configuration
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/// variables.
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///
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/// \return 0 for success.
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static int
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print_all(cmdline::ui* ui, const config::properties_map& properties)
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{
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for (config::properties_map::const_iterator iter = properties.begin();
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iter != properties.end(); iter++)
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ui->out(F("%s = %s") % (*iter).first % (*iter).second);
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return EXIT_SUCCESS;
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}
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/// Prints the configuration variables that the user requests.
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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 properties The key/value map representing all the configuration
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/// variables.
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/// \param filters The names of the configuration variables to print.
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///
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/// \return 0 if all specified filters are valid; 1 otherwise.
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static int
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print_some(cmdline::ui* ui, const config::properties_map& properties,
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const cmdline::args_vector& filters)
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{
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bool ok = true;
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for (cmdline::args_vector::const_iterator iter = filters.begin();
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iter != filters.end(); iter++) {
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const config::properties_map::const_iterator match =
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properties.find(*iter);
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if (match == properties.end()) {
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cmdline::print_warning(ui, F("'%s' is not defined.") % *iter);
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ok = false;
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} else
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ui->out(F("%s = %s") % (*match).first % (*match).second);
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}
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return ok ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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} // anonymous namespace
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/// Default constructor for cmd_config.
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cmd_config::cmd_config(void) : cli_command(
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"config", "[variable1 .. variableN]", 0, -1,
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"Inspects the values of configuration variables")
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{
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}
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/// Entry point for the "config" 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 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_config::run(cmdline::ui* ui, const cmdline::parsed_cmdline& cmdline,
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const config::tree& user_config)
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{
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const config::properties_map properties = user_config.all_properties();
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if (cmdline.arguments().empty())
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return print_all(ui, properties);
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else
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return print_some(ui, properties, cmdline.arguments());
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}
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