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/* Copyright (C) 2013, 2016 D. V. Wiebe
*
***************************************************************************
*
* This file is part of the GetData project.
*
* GetData is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* GetData is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GetData; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "gd_matlab.h"
/*
% GD_ENTRY_LIST Retrieve a list of field names
%
% L = GD_ENTRY_LIST(DIRFILE [, PARENT [, TYPE [, FLAGS]]])
% returns a cell array of strings, L, listing all fields in the
% dirfile DIRFILE which satisfy the supplied PARENT, TYPE, and/or
% FLAGS.
%
% If PARENT is given, and not numeric zero, metafields of the specified
% parent field will be searched. Otherwise, only top level fields are
% considered. If non-zero (matching all types), TYPE should be either one
% of the GD.xxx_ENTRY symbols or else one of the special GD.xxx_ENTRIES
% symbols provided by GETDATA_CONSTANTS. FLAGS, if given, should be zero
% or more of the GD.ENTRIES_... flags, bitwise or'd together.
%
% The DIRFILE object should have previously been created with GD_OPEN.
%
% See the documentation on the C API function gd_entry_list(3) in
% section 3 of the UNIX manual for more details.
%
% See also GD_NENTRIES, GD_OPEN, GETDATA_CONSTANTS
*/
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
DIRFILE *D;
char *parent = NULL;
unsigned int type = 0, flags = 0;
const char **fl;
GDMX_CHECK_RHS2(1,4);
D = gdmx_to_dirfile(prhs[0]);
if (nrhs > 1)
parent = gdmx_to_string(prhs, 1, 1);
if (nrhs > 2)
type = gdmx_to_uint(prhs, 2);
if (nrhs > 3)
flags = gdmx_to_uint(prhs, 3);
fl = gd_entry_list(D, parent, type, flags);
mxFree(parent);
gdmx_err(D, 0);
plhs[0] = gdmx_from_string_list(fl);
}
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