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-rw-r--r--src/rcl_app_info.erl68
1 files changed, 48 insertions, 20 deletions
diff --git a/src/rcl_app_info.erl b/src/rcl_app_info.erl
index d53c1aa..4d91961 100644
--- a/src/rcl_app_info.erl
+++ b/src/rcl_app_info.erl
@@ -48,12 +48,14 @@
active_deps/2,
library_deps/1,
library_deps/2,
+ format_error/1,
+ format/2,
format/1]).
-export_type([t/0]).
-record(app_info_t, {name :: atom(),
- vsn :: string(),
+ vsn :: ec_semver:semver(),
dir :: file:name(),
active_deps :: [atom()],
library_deps :: [atom()]}).
@@ -68,21 +70,26 @@
%% ============================================================================
%% @doc Build a new, empty, app info value. This is not of a lot of use and you
%% probably wont be doing this much.
--spec new() -> t().
+-spec new() -> {ok, t()}.
new() ->
- #app_info_t{}.
+ {ok, #app_info_t{}}.
%% @doc build a complete version of the app info with all fields set.
--spec new(atom(), string(), file:name(), [atom()], [atom()]) -> t().
+-spec new(atom(), string(), file:name(), [atom()], [atom()]) ->
+ {ok, t()} | {error, Reason::term()}.
new(AppName, Vsn, Dir, ActiveDeps, LibraryDeps)
when erlang:is_atom(AppName),
- erlang:is_list(Vsn),
erlang:is_list(Dir),
erlang:is_list(ActiveDeps),
erlang:is_list(LibraryDeps) ->
- #app_info_t{name=AppName, vsn=Vsn, dir=Dir,
- active_deps=ActiveDeps,
- library_deps=LibraryDeps}.
+ case parse_version(Vsn) of
+ {fail, _} ->
+ {error, {vsn_parse, AppName}};
+ ParsedVsn ->
+ {ok, #app_info_t{name=AppName, vsn=ParsedVsn, dir=Dir,
+ active_deps=ActiveDeps,
+ library_deps=LibraryDeps}}
+ end.
-spec name(t()) -> atom().
name(#app_info_t{name=Name}) ->
@@ -93,14 +100,20 @@ name(AppInfo=#app_info_t{}, AppName)
when erlang:is_atom(AppName) ->
AppInfo#app_info_t{name=AppName}.
--spec vsn(t()) -> string().
+-spec vsn(t()) -> ec_semver:semver().
vsn(#app_info_t{vsn=Vsn}) ->
Vsn.
--spec vsn(t(), string()) -> t().
-vsn(AppInfo=#app_info_t{}, AppVsn)
+-spec vsn(t(), string()) -> {ok, t()} | {error, Reason::term()}.
+vsn(AppInfo=#app_info_t{name=AppName}, AppVsn)
when erlang:is_list(AppVsn) ->
- AppInfo#app_info_t{vsn=AppVsn}.
+ case parse_version(AppVsn) of
+ {fail, _} ->
+ {error, {vsn_parse, AppName}};
+ ParsedVsn ->
+ {ok, AppInfo#app_info_t{vsn=ParsedVsn}}
+ end.
+
-spec dir(t()) -> file:name().
dir(#app_info_t{dir=Dir}) ->
@@ -126,17 +139,32 @@ library_deps(AppInfo=#app_info_t{}, LibraryDeps)
when erlang:is_list(LibraryDeps) ->
AppInfo#app_info_t{library_deps=LibraryDeps}.
+-spec format_error({error, Reason::term()}) -> iolist().
+format_error({error, {vsn_parse, AppName, AppDir}}) ->
+ io_lib:format("Error parsing version for ~p at ~s",
+ [AppName, AppDir]).
+
-spec format(t()) -> iolist().
-format(#app_info_t{name=Name, vsn=Vsn, dir=Dir,
- active_deps=Deps, library_deps=LibDeps}) ->
- [erlang:atom_to_list(Name), "-", Vsn, ": ", Dir, "\n",
- rcl_util:indent(1), "Active Dependencies:\n",
- [[rcl_util:indent(2), erlang:atom_to_list(Dep), ",\n"] || Dep <- Deps],
- rcl_util:indent(1), "Library Dependencies:\n",
- [[rcl_util:indent(2), erlang:atom_to_list(LibDep), ",\n"] || LibDep <- LibDeps]].
+format(AppInfo) ->
+ format(0, AppInfo).
+
+-spec format(non_neg_integer(), t()) -> iolist().
+format(Indent, #app_info_t{name=Name, vsn=Vsn, dir=Dir,
+ active_deps=Deps, library_deps=LibDeps}) ->
+ [rcl_util:indent(Indent), erlang:atom_to_list(Name), "-", depsolver:format_version(Vsn),
+ ": ", Dir, "\n",
+ rcl_util:indent(Indent + 1), "Active Dependencies:\n",
+ [[rcl_util:indent(Indent + 2), erlang:atom_to_list(Dep), ",\n"] || Dep <- Deps],
+ rcl_util:indent(Indent + 1), "Library Dependencies:\n",
+ [[rcl_util:indent(Indent + 2), erlang:atom_to_list(LibDep), ",\n"] || LibDep <- LibDeps]].
%%%===================================================================
-%%% Test Functions
+%%% Internal Functions
%%%===================================================================
+parse_version(Vsn)
+ when erlang:is_list(Vsn) ->
+ ec_semver:parse(Vsn);
+parse_version(Vsn = {_, {_, _}}) ->
+ Vsn.