diff options
author | Eelco Dolstra <edolstra@gmail.com> | 2018-11-22 16:03:31 +0100 |
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committer | Eelco Dolstra <edolstra@gmail.com> | 2019-02-11 11:55:25 +0100 |
commit | f70434b1fbbdb0e188718f0c55a8156a7aa08744 (patch) | |
tree | 227e2230b4c8338b8011eace5cea62d26fa6f9aa /src/nix/command.cc | |
parent | 15a16e5c05d547ec07170df2392263e5e891447b (diff) |
Move Command and MultiCommand to libutil
Diffstat (limited to 'src/nix/command.cc')
-rw-r--r-- | src/nix/command.cc | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/nix/command.cc b/src/nix/command.cc index e760c17d5..5967ab36c 100644 --- a/src/nix/command.cc +++ b/src/nix/command.cc @@ -6,80 +6,6 @@ namespace nix { std::vector<ref<Command>> * RegisterCommand::commands = 0; -void Command::printHelp(const string & programName, std::ostream & out) -{ - Args::printHelp(programName, out); - - auto exs = examples(); - if (!exs.empty()) { - out << "\n"; - out << "Examples:\n"; - for (auto & ex : exs) - out << "\n" - << " " << ex.description << "\n" // FIXME: wrap - << " $ " << ex.command << "\n"; - } -} - -MultiCommand::MultiCommand(const std::vector<ref<Command>> & _commands) -{ - for (auto & command : _commands) - commands.emplace(command->name(), command); - - expectedArgs.push_back(ExpectedArg{"command", 1, true, [=](std::vector<std::string> ss) { - assert(!command); - auto i = commands.find(ss[0]); - if (i == commands.end()) - throw UsageError("'%s' is not a recognised command", ss[0]); - command = i->second; - }}); -} - -void MultiCommand::printHelp(const string & programName, std::ostream & out) -{ - if (command) { - command->printHelp(programName + " " + command->name(), out); - return; - } - - out << "Usage: " << programName << " <COMMAND> <FLAGS>... <ARGS>...\n"; - - out << "\n"; - out << "Common flags:\n"; - printFlags(out); - - out << "\n"; - out << "Available commands:\n"; - - Table2 table; - for (auto & command : commands) { - auto descr = command.second->description(); - if (!descr.empty()) - table.push_back(std::make_pair(command.second->name(), descr)); - } - printTable(out, table); - -#if 0 - out << "\n"; - out << "For full documentation, run 'man " << programName << "' or 'man " << programName << "-<COMMAND>'.\n"; -#endif -} - -bool MultiCommand::processFlag(Strings::iterator & pos, Strings::iterator end) -{ - if (Args::processFlag(pos, end)) return true; - if (command && command->processFlag(pos, end)) return true; - return false; -} - -bool MultiCommand::processArgs(const Strings & args, bool finish) -{ - if (command) - return command->processArgs(args, finish); - else - return Args::processArgs(args, finish); -} - StoreCommand::StoreCommand() { } |