1// Copyright 2011 The Kyua Authors. 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are 6// met: 7// 8// * Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// * Redistributions in binary form must reproduce the above copyright 11// notice, this list of conditions and the following disclaimer in the 12// documentation and/or other materials provided with the distribution. 13// * Neither the name of Google Inc. nor the names of its contributors 14// may be used to endorse or promote products derived from this software 15// without specific prior written permission. 16// 17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29#include "cli/cmd_config.hpp" 30 31#include <cstdlib> 32 33#include "cli/common.ipp" 34#include "utils/cmdline/parser.ipp" 35#include "utils/cmdline/ui.hpp" 36#include "utils/config/tree.ipp" 37#include "utils/format/macros.hpp" 38 39namespace cmdline = utils::cmdline; 40namespace config = utils::config; 41 42using cli::cmd_config; 43 44 45namespace { 46 47 48/// Prints all configuration variables. 49/// 50/// \param ui Object to interact with the I/O of the program. 51/// \param properties The key/value map representing all the configuration 52/// variables. 53/// 54/// \return 0 for success. 55static int 56print_all(cmdline::ui* ui, const config::properties_map& properties) 57{ 58 for (config::properties_map::const_iterator iter = properties.begin(); 59 iter != properties.end(); iter++) 60 ui->out(F("%s = %s") % (*iter).first % (*iter).second); 61 return EXIT_SUCCESS; 62} 63 64 65/// Prints the configuration variables that the user requests. 66/// 67/// \param ui Object to interact with the I/O of the program. 68/// \param properties The key/value map representing all the configuration 69/// variables. 70/// \param filters The names of the configuration variables to print. 71/// 72/// \return 0 if all specified filters are valid; 1 otherwise. 73static int 74print_some(cmdline::ui* ui, const config::properties_map& properties, 75 const cmdline::args_vector& filters) 76{ 77 bool ok = true; 78 79 for (cmdline::args_vector::const_iterator iter = filters.begin(); 80 iter != filters.end(); iter++) { 81 const config::properties_map::const_iterator match = 82 properties.find(*iter); 83 if (match == properties.end()) { 84 cmdline::print_warning(ui, F("'%s' is not defined.") % *iter); 85 ok = false; 86 } else 87 ui->out(F("%s = %s") % (*match).first % (*match).second); 88 } 89 90 return ok ? EXIT_SUCCESS : EXIT_FAILURE; 91} 92 93 94} // anonymous namespace 95 96 97/// Default constructor for cmd_config. 98cmd_config::cmd_config(void) : cli_command( 99 "config", "[variable1 .. variableN]", 0, -1, 100 "Inspects the values of configuration variables") 101{ 102} 103 104 105/// Entry point for the "config" subcommand. 106/// 107/// \param ui Object to interact with the I/O of the program. 108/// \param cmdline Representation of the command line to the subcommand. 109/// \param user_config The runtime configuration of the program. 110/// 111/// \return 0 if everything is OK, 1 if any of the necessary documents cannot be 112/// opened. 113int 114cmd_config::run(cmdline::ui* ui, const cmdline::parsed_cmdline& cmdline, 115 const config::tree& user_config) 116{ 117 const config::properties_map properties = user_config.all_properties(); 118 if (cmdline.arguments().empty()) 119 return print_all(ui, properties); 120 else 121 return print_some(ui, properties, cmdline.arguments()); 122} 123