1 name = "help";

     2 

     3 group = "void";

     4 

     5 shortDescription = "Print list of commands";

     6 

     7 longDescription = "";

     8 

     9 argumentTypes = [ "command-or-group-name" ];

    10 

    11 function execute() {

    12     if (arguments.length == 0) {

    13         var groups = getCommandGroups();

    14         message("List of command categories:");

    15         message("");

    16         for (var name in groups) {

    17             if (name == "void")

    18                 continue;

    19             var data = groups[name];

    20             message(name + " :: " + data.shortDescription);

    21         }

    22         message("");

    23         message("Type \"help\" followed by a category name for a list of commands in that category.");

    24         message("Type \"help all\" for the list of all commands.");

    25         message("Type \"help\" followed by a command name for full documentation.");

    26         message("Command name abbreviations are allowed if they are unambiguous.");

    27     } else {

    28         var arg = arguments[0];

    29         if (arg == "all") {

    30             var groups = getCommandGroups();

    31             for (var name in groups) {

    32                 if (name == "void")

    33                     continue;

    34                 message("Command category: " + name);

    35                 message("");

    36                 var commands = getCommandsInGroup(name);

    37                 for (var i = 0; i < commands.length; ++i) {

    38                     var data = commands[i];

    39                     message(data.name + " :: " + data.shortDescription);

    40                 }

    41                 message("");

    42             }

    43         } else {

    44             var data = findCommand(arg);

    45             if (data != undefined) {

    46                 message(data.shortDescription + ".");

    47                 if (data.longDescription.length != 0)

    48                     message(data.longDescription);

    49                 if (data.aliases.length != 0)

    50                     message("Aliases: " + data.aliases.join(", "));

    51                 if (data.seeAlso.length != 0)

    52                     message("See also: " + data.seeAlso.join(", "));

    53             } else {

    54                 data = getCommandGroups()[arg];

    55                 if (data != undefined) {

    56                     message(data.shortDescription + ".");

    57                     message("");

    58                     message("List of commands:");

    59                     message("");

    60                     var commands = getCommandsInGroup(arg);

    61                     for (var i = 0; i < commands.length; ++i) {

    62                         var data = commands[i];

    63                         message(data.name + " :: " + data.shortDescription);

    64                     }

    65                 } else {

    66                     message("Undefined command \"" + arg + "\". Try \"help\".");

    67                 }

    68             }

    69         }

    70     }

    71 };