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/* $Id$
Part of SWI-Prolog
Author: Jan Wielemaker
E-mail: J.Wielemak@cs.vu.nl
WWW: http://www.swi-prolog.org
Copyright (C): 1985-2010, University of Amsterdam,
VU University Amsterdam
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
As a special exception, if you link this library with other files,
compiled with a Free Software compiler, to produce an executable, this
library does not by itself cause the resulting executable to be covered
by the GNU General Public License. This exception does not however
invalidate any other reasons why the executable file might be covered by
the GNU General Public License.
*/
:- module(pldoc_library,
[ doc_load_library/0
]).
%% doc_load_library
%
% Load the SWI-Prolog library, so we can access all comments from
% the library.
doc_load_library :-
set_prolog_flag(verbose_load, false),
absolute_file_name(swi(library), Dir, [file_type(directory)]),
load_all(Dir).
load_all([]) :- !.
load_all([H|T]) :-
load_all(H), !,
load_all(T).
load_all(Dir0) :-
atom(Dir0),
expand_file_name(Dir0, [Dir1]),
downcase_atom(Dir1, Dir), % Deal with Windows
\+ ( blocked(Blocked),
sub_atom(Dir, _, _, 0, Blocked)
),
exists_directory(Dir), !,
atom_concat(Dir, '/*', Pattern),
expand_file_name(Pattern, Contents),
load_all(Contents).
load_all(File) :-
atom(File),
file_name_extension(_, pl, File),
downcase_atom(File, LwrCase),
\+ ( blocked(Blocked),
sub_atom(LwrCase, _, _, 0, Blocked)
), !,
use_module(File, []).
load_all(Spec) :-
compound(Spec), !,
forall(absolute_file_name(Spec, Path,
[ access(read),
file_errors(fail)
]),
load_all(Path)).
load_all(_).
%% blocked(+Path) is semidet.
%
% True if file or directory should not be loaded. Note that file
% from the directory chr are already loaded by chr.pl. Similar
% arguments apply for a few others.
%
% @bug We force lowercase to make it also work on Windows
blocked('/chr').
blocked('/clpq').
blocked('/clpr').
blocked('/pldoc').
blocked('/ciao').
blocked('/checkselect.pl').
blocked('/checklast.pl').
blocked('/clp/clp_distinct.pl'). % deprecated file
%blocked('/jpl.pl'). % should be added
blocked('/pldoc.pl').
blocked('/index.pl').
blocked('/ciao.pl'). % is an include-file. We must
% find a more general solution here
blocked('/commons.pl').
blocked('/swipl-lfr.pl').
blocked('/dcg_basics.pl'). % deprecated file
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