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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008 - INRIA - Vincent COUVERT
* Copyright (C) 2010 - DIGITEO - Yann COLLETTE
* Copyright (C) 2010 - DIGITEO - Vincent COUVERT
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
*/
#include <string.h>
#include "GetMatlabVariable.h"
#include "api_scilab.h"
#include "sci_types.h"
#include "freeArrayOfString.h"
#ifdef _MSC_VER
#include "strdup_windows.h"
#endif
#include "MALLOC.h"
#include "localization.h"
matvar_t *GetCharVariable(void *pvApiCtx, int iVar, const char *name, int * parent, int item_position)
{
int rank = 0, i = 0, j = 0;
size_t *pszDims = NULL;
int *piDims = NULL;
matvar_t *createdVar = NULL;
int* piLen = NULL;
char** pstData = NULL;
char* pstMatData = NULL;
int * piAddr = NULL;
int * item_addr = NULL;
int var_type;
int saveDim = 0; /* Used to save old dimension before restoring it */
SciErr sciErr;
if (parent == NULL)
{
sciErr = getVarAddressFromPosition(pvApiCtx, iVar, &piAddr);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return NULL;
}
sciErr = getVarType(pvApiCtx, piAddr, &var_type);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return NULL;
}
}
else
{
sciErr = getListItemAddress(pvApiCtx, parent, item_position, &item_addr);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return NULL;
}
sciErr = getVarType(pvApiCtx, item_addr, &var_type);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return NULL;
}
}
if (var_type == sci_strings) /* 2-D array */
{
rank = 2;
piDims = (int*)MALLOC(sizeof(int) * rank);
if (piDims == NULL)
{
Scierror(999, _("%s: No more memory.\n"), "GetCharVariable");
return NULL;
}
if (parent == NULL)
{
// First call to retrieve dimensions
sciErr = getMatrixOfString(pvApiCtx, piAddr, &piDims[0], &piDims[1], NULL, NULL);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
piLen = (int *)MALLOC(piDims[0] * piDims[1] * sizeof(int));
// Second call to retrieve length of each string
sciErr = getMatrixOfString(pvApiCtx, piAddr, &piDims[0], &piDims[1], piLen, NULL);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
pstData = (char**)MALLOC(sizeof(char*) * piDims[0] * piDims[1]);
for (i = 0 ; i < piDims[0] * piDims[1] ; i++)
{
pstData[i] = (char*)MALLOC(sizeof(char) * (piLen[i] + 1)); //+ 1 for null termination
}
// Third call to retrieve data
sciErr = getMatrixOfString(pvApiCtx, piAddr, &piDims[0], &piDims[1], piLen, pstData);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
}
else
{
// First call to retrieve dimensions
sciErr = getMatrixOfStringInList(pvApiCtx, parent, item_position, &piDims[0], &piDims[1], NULL, NULL);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return NULL;
}
piLen = (int *)MALLOC(piDims[0] * piDims[1] * sizeof(int));
// Second call to retrieve length of each string
sciErr = getMatrixOfStringInList(pvApiCtx, parent, item_position, &piDims[0], &piDims[1], piLen, NULL);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return NULL;
}
pstData = (char**)MALLOC(sizeof(char*) * piDims[0] * piDims[1]);
for (i = 0 ; i < piDims[0] * piDims[1] ; i++)
{
pstData[i] = (char*)MALLOC(sizeof(char) * (piLen[i] + 1)); //+ 1 for null termination
}
// Third call to retrieve data
sciErr = getMatrixOfStringInList(pvApiCtx, parent, item_position, &piDims[0], &piDims[1], piLen, pstData);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return NULL;
}
}
pszDims = (size_t*) MALLOC(rank * sizeof(size_t));
if (pszDims == NULL)
{
Scierror(999, _("%s: No more memory.\n"), "GetCharVariable");
return NULL;
}
for (i = 0; i < rank; i++)
{
pszDims[i] = piDims[i];
}
if (piDims[0] == 0) /* Empty character string */
{
createdVar = Mat_VarCreate(name, MAT_C_CHAR, MAT_T_UINT8, rank, pszDims, pstData[0], 0);
}
else if (piDims[0]*piDims[1] == 1) /* Scalar character string */
{
saveDim = piDims[1];
pszDims[1] = piLen[0];
createdVar = Mat_VarCreate(name, MAT_C_CHAR, MAT_T_UINT8, rank, pszDims, pstData[0], 0);
pszDims[1] = saveDim;
}
else /* More than one character string -> save as a Cell */
{
if (piDims[0] == 1)
{
/* TODO: Should be saved as a cell */
Scierror(999, _("%s: Row array of strings saving is not implemented.\n"), "GetCharVariable");
freeArrayOfString(pstData, piDims[0]*piDims[1]);
FREE(pszDims);
FREE(piDims);
FREE(piLen);
return NULL;
}
else if (piDims[1] == 1)
{
/* Check that all strings have the same length */
for (i = 0 ; i < piDims[0] ; i++)
{
if (piLen[0] != piLen[i])
{
/* TODO: Should be saved as a cell */
Scierror(999, _("%s: Column array of strings with different lengths saving is not implemented.\n"), "GetCharVariable");
freeArrayOfString(pstData, piDims[0]*piDims[1]);
FREE(pszDims);
FREE(piDims);
FREE(piLen);
return NULL;
}
}
/* Reorder characters */
pstMatData = (char*)MALLOC(sizeof(char) * piDims[0] * piLen[0]);
for (i = 0 ; i < piDims[0] ; i++)
{
for (j = 0 ; j < piLen[0] ; j++)
{
pstMatData[i + j * piDims[0]] = pstData[i][j];
}
}
/* Save the variable */
saveDim = piDims[1];
pszDims[1] = piLen[0];
createdVar = Mat_VarCreate(name, MAT_C_CHAR, MAT_T_UINT8, rank, pszDims, pstMatData, 0);
pszDims[1] = saveDim;
freeArrayOfString(pstData, piDims[0]*piDims[1]); /* FREE now because dimensions are changed just below */
FREE(pstMatData);
FREE(pszDims);
FREE(piDims);
FREE(piLen);
}
else
{
/* TODO: Should be saved as a cell */
Scierror(999, _("%s: 2D array of strings saving is not implemented.\n"), "GetCharVariable");
freeArrayOfString(pstData, piDims[0]*piDims[1]);
FREE(pszDims);
FREE(piDims);
FREE(piLen);
return NULL;
}
}
}
else
{
Scierror(999, _("%s: Wrong type for first input argument: String matrix expected.\n"), "GetCharVariable");
freeArrayOfString(pstData, piDims[0]*piDims[1]);
FREE(pszDims);
FREE(piDims);
FREE(piLen);
return NULL;
}
return createdVar;
}
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