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util: Support jsonencode/jsondecode as regular functions #24

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Dec 24, 2019
Merged

util: Support jsonencode/jsondecode as regular functions #24

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10 changes: 8 additions & 2 deletions +bids/+util/jsondecode.m
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Original file line number Diff line number Diff line change
Expand Up @@ -12,9 +12,15 @@
% Copyright (C) 2018, Guillaume Flandin, Wellcome Centre for Human Neuroimaging
% Copyright (C) 2018--, BIDS-MATLAB developers

persistent has_jsondecode
if isempty(has_jsondecode)
has_jsondecode = ...
exist('jsondecode','builtin') == 5 || ... % MATLAB >= R2016b
ismember(exist('jsondecode','file'), [2 3]); % jsonstuff or other Matlab-compatible implementation
end

if exist('jsondecode','builtin') == 5 % MATLAB >= R2016b
value = builtin('jsondecode', fileread(file));
if has_jsondecode
value = jsondecode(fileread(file));
elseif exist('spm_jsonread','file') == 3 % SPM12
value = spm_jsonread(file, varargin{:});
elseif exist('jsonread','file') == 3 % JSONio
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12 changes: 9 additions & 3 deletions +bids/+util/jsonencode.m
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Original file line number Diff line number Diff line change
Expand Up @@ -19,16 +19,22 @@
% Copyright (C) 2018, Guillaume Flandin, Wellcome Centre for Human Neuroimaging
% Copyright (C) 2018--, BIDS-MATLAB developers


if ~nargin
error('Not enough input arguments.');
end

persistent has_jsonencode
if isempty(has_jsonencode)
has_jsonencode = ...
exist('jsonencode','builtin') == 5 || ... % MATLAB >= R2016b
ismember(exist('jsonencode','file'), [2 3]); % jsonstuff or other Matlab-compatible implementation
end

if exist('spm_jsonwrite','file') == 2 % SPM12
[varargout{1:nargout}] = spm_jsonwrite(varargin{:});
elseif exist('jsonwrite','file') == 2 % JSONio
[varargout{1:nargout}] = jsonwrite(varargin{:});
elseif exist('jsonencode','builtin') == 5 % MATLAB >= R2016b
elseif has_jsonencode
file = '';
if ischar(varargin{1})
file = varargin{1};
Expand All @@ -44,7 +50,7 @@
end
end
end
txt = builtin('jsonencode', varargin{:});
txt = jsonencode(varargin{:});
if ~isempty(file)
fid = fopen(file,'wt');
if fid == -1
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