christopherh@1: %
christopherh@1: %NOTES2PITCHCLASSES convert a note list to an array pitchclasses
christopherh@1: % 
christopherh@1: % [pitchclasses, success, errormessage] = notes2pitchclasses(notes, {verbose})
christopherh@1: % 
christopherh@1: % Converts a cell array of note strings to an array of pitch class integer 
christopherh@1: % values. Pitch class values are referenced w.r.t. C = 0. 
christopherh@1: % 
christopherh@1: % Success = 1 if symbols converted correctly, 0 otherwise.
christopherh@1: % 
christopherh@1: % If optional argument 'verbose' is 1, function prints any errormessage to 
christopherh@1: % the screen.
christopherh@1: % 
christopherh@1: % calls note2pitchclass
christopherh@1: % 
christopherh@1: % returns:  pitchclasses (array of integers)
christopherh@1: %           success (boolean)
christopherh@1: %           errormessage (string)
christopherh@1: %
christopherh@1: %
christopherh@1: % Author: Christopher Harte, March 2009
christopherh@1: % 
christopherh@1: % Copyright: Centre for Digital Music, Queen Mary University of London 2005 
christopherh@1: %
christopherh@1: % This file is part of the C4DM Chord Toolkit V2.0  
christopherh@1: %
christopherh@1: % The C4DM Chord Toolkit is free software; you can redistribute it and/or 
christopherh@1: % modify it under the terms of the GNU General Public License as published 
christopherh@1: % by the Free Software Foundation; either version 2 of the License, or
christopherh@1: % (at your option) any later version.
christopherh@1: %
christopherh@1: % The C4DM Chord Toolkit is distributed in the hope that it will be useful,
christopherh@1: % but WITHOUT ANY WARRANTY; without even the implied warranty of
christopherh@1: % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
christopherh@1: % GNU General Public License for more details.
christopherh@1: %
christopherh@1: % You should have received a copy of the GNU General Public License
christopherh@1: % along with the C4DM Toolkit; if not, write to the Free Software
christopherh@1: % Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
christopherh@1: %
christopherh@1: 
christopherh@1: function [pitchclasses, success, errormessage] = notes2pitchclasses(notes, verbose)
christopherh@1: 
christopherh@1: % set verbose default to 0
christopherh@1: if nargin < 2
christopherh@1:     verbose = 0;
christopherh@1: end
christopherh@1: 
christopherh@1: errormessage = '';
christopherh@1: 
christopherh@1: ilength = length(notes);
christopherh@1: 
christopherh@1: index = 1;
christopherh@1: 
christopherh@1: success = 1;
christopherh@1: 
christopherh@1: pitchclasses = [];
christopherh@1: 
christopherh@1: while index <= ilength
christopherh@1:     
christopherh@1:         [pitchclasses(index), success, errormessage] = note2pitchclass(char(notes(index)));
christopherh@1:     
christopherh@1:         if success
christopherh@1:             index=index+1;
christopherh@1:         else
christopherh@1:             errormessage = [errormessage sprintf(['Error in notes2pitchclasses: couldn''t convert notes "' notes '"\n'])];
christopherh@1:             index = ilength +1;            
christopherh@1:         end
christopherh@1:     
christopherh@1:     
christopherh@1: end
christopherh@1: 
christopherh@1: if (success == 0) && (verbose == 1)
christopherh@1: 
christopherh@1:     fprintf(1,errormessage)
christopherh@1:     
christopherh@1: end    
christopherh@1: 
christopherh@1: 
christopherh@1: