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Code Issues Releases Wiki Activity

modules/console: Minor cleanup; comments.

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This commit is contained in:
Jason Volk 2018-04-05 20:01:13 -07:00
parent ddeeaf174f
commit f38ed34533
1 changed files with 36 additions and 24 deletions
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60
modules/console.cc
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@ -12,6 +12,8 @@
using namespace ircd;
IRCD_EXCEPTION_HIDENAME(ircd::error, bad_command)
static void init_cmds();
mapi::header
@ -23,6 +25,35 @@ IRCD_MODULE
}
};
/// The first parameter for all commands. This aggregates general options
/// passed to commands as well as providing the output facility with an
/// ostream interface. Commands should only send output to this object. The
/// command's input line is not included here; it's the second param to a cmd.
struct opt
{
std::ostream &out;
bool html {false};
operator std::ostream &()
{
return out;
}
template<class T> auto &operator<<(T&& t)
{
out << std::forward<T>(t);
return out;
}
auto &operator<<(std::ostream &(*manip)(std::ostream &))
{
return manip(out);
}
};
/// Instances of this object are generated when this module reads its
/// symbols to find commands. These instances are then stored in the
/// cmds set for lookup and iteration.
struct cmd
{
using is_transparent = void;
@ -132,32 +163,13 @@ find_cmd(const string_view &line)
// Main command dispatch
//
struct opt
{
std::ostream &out;
bool html {false};
operator std::ostream &()
{
return out;
}
template<class T> auto &operator<<(T&& t)
{
out << std::forward<T>(t);
return out;
}
auto &operator<<(std::ostream &(*manip)(std::ostream &))
{
return manip(out);
}
};
IRCD_EXCEPTION_HIDENAME(ircd::error, bad_command)
int console_command_derived(opt &, const string_view &line);
/// This function may be linked and called by those wishing to execute a
/// command. Output from the command will be appended to the provided ostream.
/// The input to the command is passed in `line`. Since `struct opt` is not
/// accessible outside of this module, all public options are passed via a
/// plaintext string which is parsed here.
extern "C" int
console_command(std::ostream &out,
const string_view &line,