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[WIP] layout redone #134

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[WIP] layout redone #134

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29 changes: 21 additions & 8 deletions +bids/+internal/parse_filename.m
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Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,15 @@
% filename: 'sub-16_ses-mri_run-1_echo-2_FLASH.nii.gz'
% type: 'FLASH'
% ext: '.nii.gz'
% sub: '16'
% ses: 'mri'
% run: '1'
% echo: '2'
% gz: 1
% tab: 0
% depend: {}
% intended: {}
% entity:
% sub: '16'
% ses: 'mri'
% run: '1'
% echo: '2'
% __________________________________________________________________________

% Copyright (C) 2016-2018, Guillaume Flandin, Wellcome Centre for Human Neuroimaging
Expand All @@ -30,25 +35,33 @@
[parts, dummy] = regexp(filename, '(?:_)+', 'split', 'match'); %#ok<ASGLU>
p.filename = filename;

% filename without suffix, usefull to get accompagning files
p.basename = strjoin(parts(1:end-1), '_');

% -Identify the suffix and extension of this file
% https://bids-specification.readthedocs.io/en/stable/02-common-principles.html#file-name-structure
[p.type, p.ext] = strtok(parts{end}, '.');

% are files zipped or tabulats
p.gz = endsWith(p.ext, '.gz', 'IgnoreCase',true);
p.tab = startsWith(p.ext, '.tsv', 'IgnoreCase',true);
p.intended = {};

% -Separate the entity from the label for each pair identified above
for i = 1:numel(parts) - 1
[d, dummy] = regexp(parts{i}, '(?:\-)+', 'split', 'match'); %#ok<ASGLU>
p.(d{1}) = d{2};
p.entity.(d{1}) = d{2};
end

% -Extra fields can be added to the structure and ordered specifically.
if nargin == 2
for i = 1:numel(fields)
if ~isfield(p, fields{i})
p.(fields{i}) = '';
if ~isfield(p.entity, fields{i})
p.entity.(fields{i}) = '';
end
end
try
p = orderfields(p, ['filename', 'ext', 'type', fields]);
p = orderfields(p.entity, [fields]);
catch
warning('Ignoring file ''%s'' not matching template.', filename);
p = struct([]);
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