Mercurial > hg > dml-open-cliopatria
comparison cpack/dml/lib/queries.pl @ 0:718306e29690 tip
commiting public release
author | Daniel Wolff |
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date | Tue, 09 Feb 2016 21:05:06 +0100 |
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-1:000000000000 | 0:718306e29690 |
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1 /* Part of DML (Digital Music Laboratory) | |
2 Copyright 2014-2015 Samer Abdallah, University of London | |
3 | |
4 This program is free software; you can redistribute it and/or | |
5 modify it under the terms of the GNU General Public License | |
6 as published by the Free Software Foundation; either version 2 | |
7 of the License, or (at your option) any later version. | |
8 | |
9 This program is distributed in the hope that it will be useful, | |
10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 GNU General Public License for more details. | |
13 | |
14 You should have received a copy of the GNU General Public | |
15 License along with this library; if not, write to the Free Software | |
16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 */ | |
18 | |
19 :- module(queries, | |
20 [ with_output_to_pengine/1 | |
21 , write_html/1 | |
22 ]). | |
23 | |
24 :- use_module(library(pengines)). | |
25 :- use_module(library(http/html_write)). | |
26 :- use_module(library(apply_macros)). | |
27 :- use_module(library(dcg_core)). | |
28 | |
29 sandbox:safe_primitive(html_write:print_html(_)). | |
30 sandbox:safe_primitive(flush_output). | |
31 sandbox:safe_meta(html_write:html(_,_,_),[]). | |
32 | |
33 :- meta_predicate | |
34 with_output_to_pengine(0), | |
35 write_html(:). | |
36 | |
37 with_output_to_pengine(Goal) :- | |
38 with_output_to(atom(Reply), in_pre(Goal)), | |
39 % catch( Goal, Ex, | |
40 % in_pre((message_to_string(Ex,S),format(S))))), | |
41 (Reply='' -> true; pengine_output(Reply)). | |
42 | |
43 write_html(P) :- | |
44 html(P,Toks,[]), | |
45 print_html(Toks), | |
46 flush_output. | |
47 |