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(csvutils, [uri_to_csv/2]).
Daniel@0: 
Daniel@0: :- use_module(library(insist)).
Daniel@0: :- use_module(api(archive)).
Daniel@0: 
Daniel@0: :- set_prolog_flag(double_quotes,string).
Daniel@0: 
Daniel@0: %% uri_to_csv(+URI:uri, -Rows:list(row)) is det.
Daniel@0: %
Daniel@0: %  Read contents of CSV and return a list of terms with functor row/N, where
Daniel@0: %  N is the number of columns in the CSV.
Daniel@0: uri_to_csv(URI,Rows) :- with_input_from_uri(URI,load_csv_from_stream(Rows)).
Daniel@0: 
Daniel@0: load_csv_from_stream(Rows,Stream) :- 
Daniel@0: 	read_stream_to_codes(Stream,Codes),
Daniel@0: 	insist(phrase(csv(Rows,[match_arity(false),convert(true)]),Codes),
Daniel@0:           csv_parse_failed).