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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
*
* 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 "matfile_manager.h"
#include "sciprint.h"
#include "MALLOC.h"
static mat_t **openedMatfiles = NULL;
static int numberOfMatfiles = 0;
/*******************************************************************************
This function manages the set of files:
- opened using matfile_open
- closed using matfile_closed
All pointers to opened files are stored in a static variable
*******************************************************************************/
void matfile_manager(int action, int *fileIndex, mat_t **matfile)
{
int K = 0; /* Loop index */
if (action == MATFILEMANAGER_GETFILE) /* Get the mat_t structure corresponding to the fileIndex (fileIndex is an input) */
{
if ((*fileIndex >= numberOfMatfiles) || (*fileIndex < 0)) /* FileIndex is too big or invalid */
{
*matfile = NULL; /* Return NULL */
}
else /* Return corresponding matfile */
{
*matfile = openedMatfiles[*fileIndex];
}
}
else if (action == MATFILEMANAGER_ADDFILE) /* Add matfile to the list of opened matfiles (fileIndex is an output) */
{
if (numberOfMatfiles == 0) /* No file opened */
{
numberOfMatfiles++;
if (openedMatfiles)
{
openedMatfiles = (mat_t**)REALLOC(openedMatfiles, numberOfMatfiles * sizeof(mat_t*));
}
else
{
openedMatfiles = (mat_t**)MALLOC(numberOfMatfiles * sizeof(mat_t*));
}
*fileIndex = numberOfMatfiles - 1;
openedMatfiles[*fileIndex] = *matfile;
}
else
{
/* Search for an empty space in openedMatfiles */
for (K = 0; K < numberOfMatfiles; K++)
{
if (openedMatfiles[K] == NULL)
{
openedMatfiles[K] = *matfile;
*fileIndex = K;
return;
}
}
numberOfMatfiles++;
openedMatfiles = (mat_t**)REALLOC(openedMatfiles, numberOfMatfiles * sizeof(mat_t*));
*fileIndex = numberOfMatfiles - 1;
openedMatfiles[*fileIndex] = *matfile;
}
}
else if (action == MATFILEMANAGER_DELFILE) /* Close matfile (fileIndex is an input) */
{
if ((*fileIndex >= numberOfMatfiles) || (*fileIndex < 0)) /* FileIndex is too big or invalid */
{
matfile = NULL; /* Return NULL */
}
else /* Return corresponding matfile */
{
*matfile = openedMatfiles[*fileIndex];
//sciprint("Have to Close %s\n", (*matfile)->filename);
openedMatfiles[*fileIndex] = NULL;
}
}
else if (action == MATFILEMANAGER_VIEWFILE) /* Display names of opened matfiles */
{
for (K = 0; K < numberOfMatfiles; K++)
{
if (openedMatfiles[K] != NULL)
{
sciprint("%d -> %s\n", K, Mat_GetFilename(openedMatfiles[K]));
}
else
{
sciprint("%d -> Empty\n", K);
}
}
}
else /* Unknown action */
{
/* Return NULL */
}
}
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