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/* Part of SWISH
Author: Jan Wielemaker
E-mail: J.Wielemaker@vu.nl
WWW: http://www.swi-prolog.org
Copyright (c) 2014-2018, VU University Amsterdam
CWI, Amsterdam
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
:- module(swish_app,
[
]).
:- use_module(library(pldoc), []).
:- use_module(library(pengines)).
:- use_module(library(http/http_dispatch)).
:- use_module(library(option)).
:- use_module(library(apply)).
:- use_module(library(settings)).
:- use_module(lib/messages).
:- use_module(lib/paths).
:- use_module(lib/config, []).
:- use_module(lib/page, []).
:- use_module(lib/storage).
:- use_module(lib/include).
:- use_module(lib/swish_csv).
:- use_module(lib/examples).
:- use_module(lib/profiles).
:- use_module(lib/highlight).
:- use_module(lib/markdown).
:- use_module(lib/chat, []).
:- use_module(lib/template_hint, []).
:- if(exists_source(library(http/http_dyn_workers))).
:- use_module(library(http/http_dyn_workers)).
:- else.
:- use_module(lib/plugin/http_dyn_workers, []).
:- endif.
:- use_module(lib/web).
:- use_module(lib/version).
/*******************************
* VERSION *
*******************************/
setup_versions :-
prolog_load_context(directory, Dir),
register_git_module(swish,
[ directory(Dir),
home_url('https://github.com/SWI-Prolog/swish')
]),
check_prolog_version(070717).
:- initialization setup_versions.
/*******************************
* CORS *
*******************************/
% By default, enable CORS
:- set_setting_default(http:cors, [*]).
/*******************************
* LOCAL CONFIG *
*******************************/
% create the application first, so we can modify it inside the
% configuration files.
:- pengine_application(swish).
%! load_config
%
% Load files from config-enabled if present. Currently loads from
% a single config-enabled directory, either found locally or from
% the swish directory.
load_config :-
absolute_file_name(config_enabled(.), Path,
[ file_type(directory),
access(read),
file_errors(fail)
]), !,
atom_concat(Path, '/*.pl', Pattern),
expand_file_name(Pattern, Files),
maplist(user:ensure_loaded, Files).
load_config.
:- initialization(load_config, now).
/*******************************
* CONFIG *
*******************************/
:- multifile
swish_config:config/2,
swish_config:source_alias/2.
%% swish_config:config(?Config, ?Value) is nondet.
%
% All solutions of this predicate are available in the JavaScript
% object config.swish.config. Config must be an atom that is also
% a valid JavaScript identifier. Value must be a value that is
% valid for json_write_dict/2. Defined config parameters:
%
% - show_beware
% If `true`, show the *Beware* modal dialog on startup
% - tabled_results
% If `true`, check the _table results_ checkbox by default.
% - application
% Name of the Pengine application.
% - csv_formats
% CSV output formats offered. For example, ClioPatria
% defines this as [rdf,prolog]. The first element is default.
% - community_examples
% Allow marking saved programs as example. If marked, the
% programs are added to the Examples menu.
% - public_access
% If lib/authenticate.pl is loaded and this flag is `true`,
% _all_ access to SWISH demands authentication. If false,
% only running queries and saving files is restricted. Note
% that this flag has no effect if no authentication module is
% loaded.
% - include_alias
% Alias for searching files for `:- include(Alias(Name)).`
% - ping
% Ping pengine status every N seconds. Updates sparkline
% chart with stack usage.
% - notebook
% Dict holding options for notebooks:
% - eval_script
% Whether or not to evaluate JavaScript in cells
% - fullscreen
% Whether or not to start in fullscreen mode by default
% - fullscreen
% Dict holding options for fullscreen mode:
% - hide_navbar: hide the navigation bar when in fullscreen
% mode.
% - chat
% Activate the chat interface
% - chat_spam_protection
% Perform protection against spamming on chat messages.
% - default_query
% Initial query for the source search in an empty tab
%
% These config options are commonly overruled using one of the
% configuration files. See `config-available` and `config-enabled`
% directories.
%
% The defaults below are for small installations. See
% `config-available/dim_large.pl` for a default config for large
% communities.
% Allow other code to overrule the defaults from this file.
term_expansion(swish_config:config(Config, _Value), []) :-
clause(swish_config:config(Config, _), _).
swish_config:config(show_beware, false).
swish_config:config(tabled_results, false).
swish_config:config(application, swish).
swish_config:config(csv_formats, [prolog]).
swish_config:config(community_examples, true).
swish_config:config(public_access, false).
swish_config:config(include_alias, example).
swish_config:config(ping, 2).
swish_config:config(notebook, _{ eval_script: true,
fullscreen: false
}).
swish_config:config(fullscreen, _{ hide_navbar: true
}).
swish_config:config(chat, true).
swish_config:config(chat_spam_protection, true).
swish_config:config(default_query, '').
%% swish_config:source_alias(Alias, Options) is nondet.
%
% Specify access for files below a given _alias_. Options define
%
% - access(Access)
% One of `read` or `both`. Default is `read`.
% - if(Condition)
% Provide additional conditions. Defined conditions are:
% - loaded
% Only provide access to the file if it is loaded.
% setup HTTP session management
:- use_module(lib/session).
/*******************************
* CREATE SWISH APPLICATION *
*******************************/
:- multifile
pengines:prepare_module/3.
:- use_module(swish:lib/render).
:- use_module(swish:lib/trace).
:- use_module(swish:lib/projection).
:- use_module(swish:lib/attvar).
:- use_module(swish:lib/jquery).
:- use_module(swish:lib/dashboard).
:- use_module(swish:lib/md_eval).
:- use_module(swish:lib/html_output).
:- use_module(swish:lib/swish_diagnostics).
:- use_module(swish:lib/swish_debug).
:- use_module(swish:library(pengines_io)).
:- use_module(swish:library(solution_sequences)).
:- use_module(swish:library(aggregate)).
pengines:prepare_module(Module, swish, _Options) :-
pengines_io:pengine_bind_io_to_html(Module).
% Additional sandboxing rules.
:- use_module(lib/flags).
% Libraries that are nice to have in SWISH, but cannot be loaded
% because they use directives that are considered unsafe. We load
% them here, so they only need to be imported, which is just fine.
:- use_module(library(clpfd), []).
:- use_module(library(clpb), []).
:- if(exists_source(library(dcg/high_order))).
:- use_module(library(dcg/high_order), []).
:- endif.
:- use_module(lib/swish_chr, []).
% load rendering modules
:- use_module(swish(lib/render/sudoku), []).
:- use_module(swish(lib/render/chess), []).
:- use_module(swish(lib/render/table), []).
:- use_module(swish(lib/render/codes), []).
:- use_module(swish(lib/render/svgtree), []).
:- use_module(swish(lib/render/graphviz), []).
:- use_module(swish(lib/render/c3), []).
:- use_module(swish(lib/render/vega), []).
:- use_module(swish(lib/render/url), []).
:- use_module(swish(lib/render/bdd), []).
:- use_module(swish(lib/render/mathjax), []).
:- use_module(swish(lib/render/gvterm), []).
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