%%--------------------------------------------------------------------
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2010-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%-----------------------------------------------------------------
%% File: otp_man_index.erl
%%
%% Description:
%% This file generates the module overview in the documentation.
%%
%%-----------------------------------------------------------------
-module(otp_man_index).
-export([gen/1, gen/2]).
-include_lib("kernel/include/file.hrl").
gen([Source, RootDir, OutFile]) when is_atom(RootDir), is_atom(OutFile)->
gen(Source, RootDir, OutFile).
gen(RootDir, OutFile) ->
gen(rel, RootDir, OutFile).
gen(Source, RootDir, OutFile) ->
Bases = [{"../lib/", filename:join(RootDir, "lib")},
{"../", RootDir}],
Apps = find_application_paths(Source, Bases),
RefPages = find_ref_files(Apps),
gen_html(RefPages, atom_to_list(OutFile)).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Find Reference files
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
find_ref_files(Apps) ->
find_ref_files(Apps, []).
find_ref_files([], Acc) ->
Acc;
find_ref_files([{App, Vsn, AppPath, RelPath} |Apps], Acc) ->
case filelib:wildcard(filename:join(AppPath, "*.html")) of
[] ->
find_ref_files(Apps, Acc);
Result ->
Refs1 = lists:filter(fun(Ref) ->
case file:read_file(Ref) of
{ok, Bin} ->
case re:run(Bin, ".*<!-- refpage -->.*",[]) of
{match, _} ->
true;
nomatch ->
false
end;
{error, Reason} ->
exit(io_lib:format("~p : ~s\n", [Reason, Ref]))
end
end,
Result),
Refs2 = lists:map(fun(Ref) ->
Module = filename:basename(Ref, ".html"),
{string:to_lower(Module),
Module,
App ++ "-" ++ Vsn,
RelPath,
filename:join(RelPath, filename:basename(Ref))}
end,
Refs1),
find_ref_files(Apps, Refs2 ++ Acc)
end.
find_application_paths(_, []) ->
[];
find_application_paths(Source, [{URL, Dir} | Paths]) ->
AppDirs = get_app_dirs(Dir),
AppPaths = get_app_paths(Source, AppDirs, URL),
AppPaths ++ find_application_paths(Source, Paths).
get_app_paths(src, AppDirs, URL) ->
Sub1 = "doc/html",
lists:map(
fun({App, AppPath}) ->
VsnFile = filename:join(AppPath, "vsn.mk"),
VsnStr =
case file:read_file(VsnFile) of
{ok, Bin} ->
case re:run(Bin, ".*VSN\s*=\s*([0-9\.]+).*",[{capture,[1],list}]) of
{match, [V]} ->
V;
nomatch ->
exit(io_lib:format("No VSN variable found in ~s\n",
[VsnFile]))
end;
{error, Reason} ->
exit(io_lib:format("~p : ~s\n", [Reason, VsnFile]))
end,
AppURL = URL ++ App ++ "-" ++ VsnStr,
{App, VsnStr, AppPath ++ "/" ++ Sub1, AppURL ++ "/" ++ Sub1}
end, AppDirs);
get_app_paths(rel, AppDirs, URL) ->
Sub1 = "doc/html",
lists:map(
fun({App, AppPath}) ->
[AppName, VsnStr] = string:tokens(App, "-"),
AppURL = URL ++ App,
{AppName, VsnStr, AppPath ++ "/" ++ Sub1, AppURL ++ "/" ++ Sub1}
end, AppDirs).
get_app_dirs(Dir) ->
{ok, Files} = file:list_dir(Dir),
AFiles =
lists:map(fun(File) -> {File, filename:join([Dir, File])} end, Files),
lists:zf(fun is_app_with_doc/1, AFiles).
is_app_with_doc({"." ++ _ADir, _APath}) ->
false;
is_app_with_doc({ADir, APath}) ->
case file:read_file_info(filename:join([APath, "info"])) of
{ok, _FileInfo} ->
{true, {ADir, APath}};
_ ->
false
end.
gen_html(RefPages, OutFile)->
case file:open(OutFile, [write]) of
{ok, Out} ->
io:fwrite(Out, "~s\n", [html_header()]),
SortedPages = lists:sort(RefPages),
lists:foreach(fun({_,Module, App, AppDocDir, RefPagePath}) ->
io:fwrite(Out, " <TR>\n",[]),
io:fwrite(Out, " <TD><A HREF=\"~s\">~s</A></TD>\n",
[RefPagePath, Module]),
io:fwrite(Out, " <TD><A HREF=\"~s\">~s</A></TD>\n",
[filename:join(AppDocDir, "index.html"),
App]),
io:fwrite(Out, " </TR>\n",[])
end,
SortedPages),
{Year, _, _} = date(),
io:fwrite(Out, "~s\n", [html_footer(integer_to_list(Year))]);
{error, Reason} ->
exit("~p: ~s\n",[Reason, OutFile])
end.
html_header() ->
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n"
"<!-- This file was generated by the otp_man_index -->\n"
"<HTML>\n"
"<HEAD>\n"
" <link rel=\"stylesheet\" href=\"otp_doc.css\" type=\"text/css\"/>\n"
" <TITLE>Erlang/OTP Manual Page Index</TITLE>\n"
"</HEAD>\n"
"<BODY BGCOLOR=\"#FFFFFF\" TEXT=\"#000000\" LINK=\"#0000FF\" VLINK=\"#FF00FF\" ALINK=\"#FF0000\">\n"
"<CENTER>\n"
"<!-- A HREF=\"http://www.erlang.org/\">\n"
"<img alt=\"Erlang logo\" src=\"erlang-logo.png\"/>\n"
"</A><BR -->\n"
"<SMALL>\n"
"[<A HREF=\"index.html\">Up</A> | <A HREF=\"http://www.erlang.org/\">Erlang</A>]\n"
"</SMALL><BR>\n"
"<P/><FONT SIZE=\"+4\">OTP Reference Page Index</FONT><BR>\n"
"</CENTER>\n"
"<CENTER>\n"
"<P/>\n"
"<TABLE BORDER=1>\n"
"<TR>\n"
" <TH>Manual Page</TH><TH>Application</TH>\n"
"</TR>\n".
html_footer(Year) ->
"</TABLE>\n"
"</CENTER>\n"
"<P/>\n"
"<CENTER>\n"
"<HR/>\n"
"<SMALL>\n"
"Copyright © 1991-" ++ Year ++ "\n"
"<a href=\"http://www.ericsson.com/technology/opensource/erlang/\">\n"
"Ericsson AB</a>\n"
"</SMALL>\n"
"</CENTER>\n"
"</BODY>\n"
"</HTML>\n".
