Daniel@0: /* Part of DML (Digital Music Laboratory)
Daniel@0: 	Copyright 2014-2015 Samer Abdallah, University of London
Daniel@0: 	 
Daniel@0: 	This program is free software; you can redistribute it and/or
Daniel@0: 	modify it under the terms of the GNU General Public License
Daniel@0: 	as published by the Free Software Foundation; either version 2
Daniel@0: 	of the License, or (at your option) any later version.
Daniel@0: 
Daniel@0: 	This program is distributed in the hope that it will be useful,
Daniel@0: 	but WITHOUT ANY WARRANTY; without even the implied warranty of
Daniel@0: 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Daniel@0: 	GNU General Public License for more details.
Daniel@0: 
Daniel@0: 	You should have received a copy of the GNU General Public
Daniel@0: 	License along with this library; if not, write to the Free Software
Daniel@0: 	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
Daniel@0: */
Daniel@0: 
Daniel@0: :- module(pengutils, 
Daniel@0:       [  write_html/1
Daniel@0:       ,  term_rendering//3
Daniel@0:       ]).
Daniel@0: 
Daniel@0: :- meta_predicate write_html(:).
Daniel@0: 
Daniel@0: :- use_module(library(http/html_write)).
Daniel@0: :- use_module(library(pengines)).
Daniel@0: :- use_module(library(sandbox)).
Daniel@0: :- use_module(library(swish/render)).
Daniel@0: 
Daniel@0: :- register_renderer(html,"Render HTML").
Daniel@0: 
Daniel@0: :- meta_predicate write_html(:).
Daniel@0: sandbox:safe_meta(pengutils:write_html(_),[]).
Daniel@0: 
Daniel@0: %% write_html(+HTML) is det.
Daniel@0: %  Takes HTML elements as accepted by html//1 and outputs
Daniel@0: %  them to the pengine.
Daniel@0: write_html(M:H) :-
Daniel@0:    debug(pengutils,'write_html(~w)',[M:H]),
Daniel@0:    html(M:H,Tokens,[]),
Daniel@0:    with_output_to(string(S),print_html(Tokens)),
Daniel@0:    debug(pengutils,'write_html output: ~s',[S]),
Daniel@0:    pengine_output(S).
Daniel@0: 
Daniel@0: term_rendering(html(Stuff),_,Opts) --> 
Daniel@0:    {option(module(M),Opts)},
Daniel@0:    {debug(pengutils,'Rendering as HTML: ~q',[Stuff])},
Daniel@0:    html(M:Stuff).
Daniel@0: