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/*
* Copyright (C) 2007-2024 S[&]T, The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "coda-matlab.h"
#include <string.h>
/*
* Depending on the contents of arg, arg_type is set to
* 0 : index -> index[] is set to the value in arg and length is set to the number of dimensions
* 1 : name -> *name is set to the value in arg and length is set to the length of the string
* -1 : invalid -> nothing is changed.
* arg is considered invalid if it doesn't contain a valid string or
* if it doesn't contain a value array of indices.
*
* The user should pass index as an integer array of size = CODA_MAX_N_DIMS.
*
* If *name != NULL then *name contains a string that was allocated with
* mxCalloc and the caller of this function should free it with mxFree.
*/
static void coda_matlab_parse_arg(const mxArray *arg, int *arg_type, long *index, char **name, int *length)
{
int arg_num_dims;
const mwSize *arg_dim;
mxAssert(arg != NULL, "Arguments array pointer is zero");
mxAssert(arg_type != NULL, "Pointer to 'type' argument is zero");
mxAssert(index != NULL, "Pointer to 'index' argument is zero");
mxAssert(name != NULL, "Pointer to 'name' argument is zero");
mxAssert(length != NULL, "Pointer to 'lenght' argument is zero");
*arg_type = -1;
arg_num_dims = (int)mxGetNumberOfDimensions(arg);
arg_dim = mxGetDimensions(arg);
if (mxGetClassID(arg) == mxCHAR_CLASS)
{
/* arg contains string */
if (arg_num_dims == 2 && arg_dim[0] == 1 && arg_dim[1] > 0)
{
*length = (int)(arg_dim[0] * arg_dim[1] * sizeof(mxChar)) + 1;
*name = mxCalloc(*length, 1);
if (mxGetString(arg, *name, *length) != 0)
{
mexErrMsgTxt("Error copying string");
}
*arg_type = 1;
}
}
else if (arg_num_dims == 2 && arg_dim[0] == 1 && arg_dim[1] > 0 && arg_dim[1] <= CODA_MAX_NUM_DIMS)
{
void *data;
mwSize i;
/* arg contains value array */
data = mxGetData(arg);
for (i = 0; i < arg_dim[1]; i++)
{
switch (mxGetClassID(arg))
{
case mxDOUBLE_CLASS:
index[i] = (int)((double *)data)[i];
break;
case mxINT32_CLASS:
index[i] = (int)((int32_t *)data)[i];
break;
default:
mexErrMsgTxt("Index parameter not of type double or int32");
break;
}
}
*length = (int)arg_dim[1];
*arg_type = 0;
}
}
void coda_matlab_traverse_data(int nrhs, const mxArray *prhs[], coda_cursor *cursor, coda_MatlabCursorInfo *info)
{
int arg_idx;
long index[CODA_MAX_NUM_DIMS];
if (info != NULL)
{
info->intermediate_cursor_flag = 0; /* Final cursor unless otherwise specified */
}
for (arg_idx = 0; arg_idx < nrhs; arg_idx++)
{
char *name = NULL;
int arg_type;
int length;
coda_matlab_parse_arg(prhs[arg_idx], &arg_type, index, &name, &length);
if (arg_type == 0)
{
coda_type_class type_class;
long local_index[CODA_MAX_NUM_DIMS];
int i;
if (coda_cursor_get_type_class(cursor, &type_class) != 0)
{
coda_matlab_coda_error();
}
if (type_class != coda_array_class)
{
mexErrMsgTxt("Using numeric index for type that is not an array");
}
for (i = 0; i < length; i++)
{
if (index[i] != -1)
{
index[i]--;
}
else if (info != NULL)
{
info->intermediate_cursor_flag = 1;
}
}
if ((info != NULL) && (info->intermediate_cursor_flag))
{
info->argument_index = arg_idx;
info->num_variable_indices = length;
for (i = 0; i < length; i++)
{
info->variable_index[i] = index[i];
}
return; /* Return intermediate cursor */
}
if (length == 1 && index[0] == 0)
{
coda_type *type;
int num_dims;
/* convert to zero dimensional index if needed */
if (coda_cursor_get_type(cursor, &type) != 0)
{
coda_matlab_coda_error();
}
if (coda_type_get_array_num_dims(type, &num_dims) != 0)
{
coda_matlab_coda_error();
}
if (num_dims == 0)
{
length = 0;
}
}
for (i = 0; i < length; i++)
{
local_index[i] = coda_env.option_swap_dimensions ? index[i] : index[length - i + 1];
}
if (coda_cursor_goto_array_element(cursor, length, local_index) != 0)
{
if (coda_errno == CODA_ERROR_ARRAY_NUM_DIMS_MISMATCH)
{
mexErrMsgTxt("Error in parameter (array dimensions mismatch)");
}
if (coda_errno == CODA_ERROR_ARRAY_OUT_OF_BOUNDS)
{
mexErrMsgTxt("Error in parameter (array index out of bounds)");
}
coda_matlab_coda_error();
}
}
else if (arg_type == 1)
{
if (coda_cursor_goto(cursor, name) != 0)
{
coda_matlab_coda_error();
}
}
else
{
mexErrMsgTxt("Error in parameter (not a string or integer)");
}
if (name != NULL)
{
mxFree(name);
}
}
}
void coda_matlab_traverse_product(coda_product *pf, int nrhs, const mxArray *prhs[], coda_cursor *cursor,
coda_MatlabCursorInfo *info)
{
mxAssert(pf != NULL, "Productfile pointer is zero");
mxAssert(cursor != NULL, "Coda Cursor pointer is zero");
if (coda_cursor_set_product(cursor, pf) != 0)
{
coda_matlab_coda_error();
}
coda_matlab_traverse_data(nrhs, prhs, cursor, info);
}
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