annotate cpack/dml/lib/csvutils.pl @ 0:718306e29690 tip

commiting public release
author Daniel Wolff
date Tue, 09 Feb 2016 21:05:06 +0100
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Daniel@0 1 /* Part of DML (Digital Music Laboratory)
Daniel@0 2 Copyright 2014-2015 Samer Abdallah, University of London
Daniel@0 3
Daniel@0 4 This program is free software; you can redistribute it and/or
Daniel@0 5 modify it under the terms of the GNU General Public License
Daniel@0 6 as published by the Free Software Foundation; either version 2
Daniel@0 7 of the License, or (at your option) any later version.
Daniel@0 8
Daniel@0 9 This program is distributed in the hope that it will be useful,
Daniel@0 10 but WITHOUT ANY WARRANTY; without even the implied warranty of
Daniel@0 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Daniel@0 12 GNU General Public License for more details.
Daniel@0 13
Daniel@0 14 You should have received a copy of the GNU General Public
Daniel@0 15 License along with this library; if not, write to the Free Software
Daniel@0 16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Daniel@0 17 */
Daniel@0 18
Daniel@0 19 :- module(csvutils, [uri_to_csv/2]).
Daniel@0 20
Daniel@0 21 :- use_module(library(insist)).
Daniel@0 22 :- use_module(api(archive)).
Daniel@0 23
Daniel@0 24 :- set_prolog_flag(double_quotes,string).
Daniel@0 25
Daniel@0 26 %% uri_to_csv(+URI:uri, -Rows:list(row)) is det.
Daniel@0 27 %
Daniel@0 28 % Read contents of CSV and return a list of terms with functor row/N, where
Daniel@0 29 % N is the number of columns in the CSV.
Daniel@0 30 uri_to_csv(URI,Rows) :- with_input_from_uri(URI,load_csv_from_stream(Rows)).
Daniel@0 31
Daniel@0 32 load_csv_from_stream(Rows,Stream) :-
Daniel@0 33 read_stream_to_codes(Stream,Codes),
Daniel@0 34 insist(phrase(csv(Rows,[match_arity(false),convert(true)]),Codes),
Daniel@0 35 csv_parse_failed).