mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-12 15:57:31 +01:00
134 lines
3.6 KiB
Bash
Executable File
134 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env escript
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%% -*- erlang -*-
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main(Paths) ->
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Dict = fold_erls(
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fun(File, Tokens, Acc) ->
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File1 = filename:rootname(filename:basename(File)),
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extract_tr(File1, Tokens, Acc)
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end, dict:new(), Paths),
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generate_pot(Dict).
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extract_tr(File, [{'?', _}, {var, _, 'T'}, {'(', Line}|Tokens], Acc) ->
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case extract_string(Tokens, "") of
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{"", Tokens1} ->
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err("~s:~B: Warning: invalid string", [File, Line]),
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extract_tr(File, Tokens1, Acc);
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{String, Tokens1} ->
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extract_tr(File, Tokens1, dict:append(String, {File, Line}, Acc))
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end;
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extract_tr(File, [_|Tokens], Acc) ->
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extract_tr(File, Tokens, Acc);
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extract_tr(_, [], Acc) ->
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Acc.
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extract_string([{string, _, S}|Tokens], Acc) ->
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extract_string(Tokens, [S|Acc]);
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extract_string([{')', _}|Tokens], Acc) ->
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{lists:flatten(lists:reverse(Acc)), Tokens};
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extract_string(Tokens, _) ->
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{"", Tokens}.
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fold_erls(Fun, State, Paths) ->
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Paths1 = fold_paths(Paths),
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Total = length(Paths1),
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{_, State1} =
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lists:foldl(
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fun(File, {I, Acc}) ->
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io:format(standard_error,
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"Progress: ~B% (~B/~B)\r",
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[round(I*100/Total), I, Total]),
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case tokens(File) of
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{ok, Tokens} ->
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{I+1, Fun(File, Tokens, Acc)};
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error ->
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{I+1, Acc}
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end
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end, {0, State}, Paths1),
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State1.
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fold_paths(Paths) ->
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lists:flatmap(
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fun(Path) ->
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case filelib:is_dir(Path) of
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true ->
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lists:reverse(
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filelib:fold_files(
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Path, ".+\.erl\$", false,
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fun(File, Acc) ->
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[File|Acc]
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end, []));
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false ->
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[Path]
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end
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end, Paths).
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tokens(File) ->
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case file:read_file(File) of
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{ok, Data} ->
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case erl_scan:string(binary_to_list(Data)) of
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{ok, Tokens, _} ->
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{ok, Tokens};
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{error, {_, Module, Desc}, Line} ->
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err("~s:~n: Warning: scan error: ~s",
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[filename:basename(File), Line, Module:format_error(Desc)]),
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error
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end;
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{error, Why} ->
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err("Warning: failed to read file ~s: ~s",
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[File, file:format_error(Why)]),
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error
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end.
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generate_pot(Dict) ->
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io:format("~s~n~n", [pot_header()]),
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lists:foreach(
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fun({Msg, Location}) ->
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S1 = format_location(Location),
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S2 = format_msg(Msg),
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io:format("~smsgstr \"\"~n~n", [S1 ++ S2])
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end, lists:keysort(1, dict:to_list(Dict))).
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format_location([A, B, C|T]) ->
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format_location_list([A,B,C]) ++ format_location(T);
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format_location([A, B|T]) ->
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format_location_list([A,B]) ++ format_location(T);
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format_location([A|T]) ->
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format_location_list([A]) ++ format_location(T);
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format_location([]) ->
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"".
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format_location_list(L) ->
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"#: " ++ string:join(
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lists:map(
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fun({File, Pos}) ->
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io_lib:format("~s.erl:~B", [File, Pos])
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end, L),
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" ") ++ io_lib:nl().
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format_msg(Bin) ->
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io_lib:format("msgid \"~s\"~n", [escape(Bin)]).
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escape(Bin) ->
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lists:map(
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fun($") -> "\\\"";
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(C) -> C
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end, binary_to_list(iolist_to_binary(Bin))).
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pot_header() ->
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string:join(
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["msgid \"\"",
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"msgstr \"\"",
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"\"Project-Id-Version: 15.11.127\\n\"",
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"\"X-Language: Language Name\\n\"",
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"\"Last-Translator: Translator name and contact method\\n\"",
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"\"MIME-Version: 1.0\\n\"",
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"\"Content-Type: text/plain; charset=UTF-8\\n\"",
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"\"Content-Transfer-Encoding: 8bit\\n\"",
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"\"X-Poedit-Basepath: ../../src\\n\"",
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"\"X-Poedit-SearchPath-0: .\\n\""],
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io_lib:nl()).
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err(Format, Args) ->
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io:format(standard_error, Format ++ io_lib:nl(), Args).
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