// /global/cmd/cmds/cmd.c (confusing hey? :)
// Gives info on command handler, commands etc :)
#include <standard.h>
#include <cmd.h>
inherit CMD_BASE;
static mapping cmd_dirs, cmd_hash;
static string last_dir, file;
void setup()
{
position = 0;
}
string query_usage()
{
return "cmdhelp verb";
}
string query_short_help()
{
return "Return help on the specified command. Note, this "+
"particular help command [cmdhelp] only searches for "+
"help on commands handled by a specific part of the "+
"system. It is internally aliaseed to 'help' if help "+
"fails.";
}
static int cmd(string tail, object thisob)
{
string str, usage, help;
if(!tail || tail=="")
{
notify_fail("Get help on what command?\n");
return 0;
}
str = (string)CMD_HANDLER->query_alias(tail);
if(stringp(str) && str!=0 && str!="")
tail = str;
file = (string)CMD_HANDLER->find_cmd(tail);
if(!file || file=="")
{
notify_fail("Command '"+tail+"' was not found.\n");
return 0;
}
usage = (string)file->query_usage();
help = (string)file->query_short_help();
if(!stringp(usage) && !stringp(help))
{
notify_fail("No help available on "+tail+".\n");
return 0;
}
if(stringp(usage))
{
write("Usage: "+usage+"\n\n");
}
if(stringp(help))
{
write(help+"\n\n");
}
return 1;
}