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|
-module(rst_roster).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-type id() :: binary().
-record
(
roster,
{
owner :: binary(),
characters :: array:array(rst_character:type())
}
).
-opaque type() :: #roster{}.
-export_type([type/0, id/0]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-export
(
[
get_owner/1,
get_characters/1,
get_character/2,
set_characters/2,
set_character/3,
add_character/2,
remove_character/2
]
).
-export
(
[
get_characters_field/0
]
).
-export
(
[
new/1
]
).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% Accessors
-spec get_owner (type()) -> binary().
get_owner (Roster) -> Roster#roster.owner.
-spec get_characters (type()) -> array:array(rst_character:type()).
get_characters (Roster) -> Roster#roster.characters.
-spec get_character (non_neg_integer(), type()) -> rst_character:type().
get_character (IX, Roster) -> array:get(IX, Roster#roster.characters).
-spec set_characters (array:array(rst_character:type()), type()) -> type().
set_characters (Characters, Roster) -> Roster#roster{ characters = Characters }.
-spec set_character
(
non_neg_integer(),
rst_character:type(),
type()
)
-> type().
set_character (IX, Character, Roster) ->
Roster#roster
{
characters = array:set(IX, Character, Roster#roster.characters)
}.
-spec add_character (rst_character:type(), type()) -> type().
add_character (Character, Roster) ->
CurrentCharacters = Roster#roster.characters,
CurrentSize = array:size(CurrentCharacters),
Roster#roster
{
characters = array:set(CurrentSize, Character, CurrentCharacters)
}.
-spec remove_character (non_neg_integer(), type()) -> type().
remove_character (IX, Roster) ->
CurrentCharacters = Roster#roster.characters,
CurrentSize = array:size(CurrentCharacters),
NewSize = (CurrentSize - 1),
LastCharacter = array:get(NewSize, CurrentCharacters),
S0Characters = array:set(IX, LastCharacter, CurrentCharacters),
S1Characters = array:resize(NewSize, S0Characters),
Roster#roster
{
characters = S1Characters
}.
-spec get_characters_field () -> non_neg_integer().
get_characters_field () -> #roster.characters.
-spec new (binary()) -> type().
new (Owner) ->
#roster
{
owner = Owner,
characters = array:from_list([rst_character:new(), rst_character:new()])
}.
|
