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Move Command and MultiCommand to libutil

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This commit is contained in:
Eelco Dolstra 2018-11-22 16:03:31 +01:00
parent 15a16e5c05
commit f70434b1fb
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5 changed files with 115 additions and 115 deletions
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41
src/nix/command.hh
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@ -11,27 +11,6 @@ struct Value;
class Bindings;
class EvalState;
/* A command is an argument parser that can be executed by calling its
run() method. */
struct Command : virtual Args
{
virtual std::string name() = 0;
virtual void prepare() { };
virtual void run() = 0;
struct Example
{
std::string description;
std::string command;
};
typedef std::list<Example> Examples;
virtual Examples examples() { return Examples(); }
void printHelp(const string & programName, std::ostream & out) override;
};
class Store;
/* A command that require a Nix store. */
@ -162,26 +141,6 @@ struct StorePathCommand : public InstallablesCommand
void run(ref<Store> store) override;
};
typedef std::map<std::string, ref<Command>> Commands;
/* An argument parser that supports multiple subcommands,
i.e. ‘<command> <subcommand>’. */
class MultiCommand : virtual Args
{
public:
Commands commands;
std::shared_ptr<Command> command;
MultiCommand(const std::vector<ref<Command>> & commands);
void printHelp(const string & programName, std::ostream & out) override;
bool processFlag(Strings::iterator & pos, Strings::iterator end) override;
bool processArgs(const Strings & args, bool finish) override;
};
/* A helper class for registering commands globally. */
struct RegisterCommand
{