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/** \file
* \brief iupmatrix control memory allocation
*
* See Copyright Notice in "iup.h"
*/
/**************************************************************************/
/* Functions to allocate memory */
/**************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <memory.h>
#include <string.h>
#include "iup.h"
#include "iupcbs.h"
#include <cd.h>
#include "iup_object.h"
#include "iup_attrib.h"
#include "iup_str.h"
#include "iup_stdcontrols.h"
#include "iupmat_def.h"
#include "iupmat_mem.h"
static void iMatrixGetInitialValues(Ihandle* ih)
{
int lin, col;
char* value;
char attr[100];
for (lin=0; lin<ih->data->lines.num; lin++)
{
for (col=0; col<ih->data->columns.num; col++)
{
sprintf(attr, "%d:%d", lin, col);
value = iupAttribGet(ih, attr);
if (value)
{
/* get the initial value and remove it from the hash table */
if (*value)
ih->data->cells[lin][col].value = iupStrDup(value);
iupAttribSetStr(ih, attr, NULL);
}
}
}
}
void iupMatrixMemAlloc(Ihandle* ih)
{
ih->data->lines.num_alloc = ih->data->lines.num;
if (ih->data->lines.num_alloc == 1)
ih->data->lines.num_alloc = 5;
ih->data->columns.num_alloc = ih->data->columns.num;
if (ih->data->columns.num_alloc == 1)
ih->data->columns.num_alloc = 5;
if (!ih->data->callback_mode)
{
int lin;
ih->data->cells = (ImatCell**)calloc(ih->data->lines.num_alloc, sizeof(ImatCell*));
for (lin = 0; lin < ih->data->lines.num_alloc; lin++)
ih->data->cells[lin] = (ImatCell*)calloc(ih->data->columns.num_alloc, sizeof(ImatCell));
iMatrixGetInitialValues(ih);
}
ih->data->lines.flags = (unsigned char*)calloc(ih->data->lines.num_alloc, sizeof(unsigned char));
ih->data->columns.flags = (unsigned char*)calloc(ih->data->columns.num_alloc, sizeof(unsigned char));
ih->data->lines.sizes = (int*)calloc(ih->data->lines.num_alloc, sizeof(int));
ih->data->columns.sizes = (int*)calloc(ih->data->columns.num_alloc, sizeof(int));
}
void iupMatrixMemRelease(Ihandle* ih)
{
if (ih->data->cells)
{
int lin, col;
for (lin = 0; lin < ih->data->lines.num_alloc; lin++)
{
for (col = 0; col < ih->data->columns.num_alloc; col++)
{
ImatCell* cell = &(ih->data->cells[lin][col]);
if (cell->value)
{
free(cell->value);
cell->value = NULL;
}
}
free(ih->data->cells[lin]);
ih->data->cells[lin] = NULL;
}
free(ih->data->cells);
ih->data->cells = NULL;
}
if (ih->data->columns.flags)
{
free(ih->data->columns.flags);
ih->data->columns.flags = NULL;
}
if (ih->data->lines.flags)
{
free(ih->data->lines.flags);
ih->data->lines.flags = NULL;
}
if (ih->data->columns.sizes)
{
free(ih->data->columns.sizes);
ih->data->columns.sizes = NULL;
}
if (ih->data->lines.sizes)
{
free(ih->data->lines.sizes);
ih->data->lines.sizes = NULL;
}
}
void iupMatrixMemReAllocLines(Ihandle* ih, int old_num, int num, int base)
{
int lin, col, end, diff_num, shift_num;
/* base is the first line where the change started */
/* If it doesn't have enough lines allocated, then allocate more space */
if (num > ih->data->lines.num_alloc) /* this also implicates that num>old_num */
{
int old_alloc = ih->data->lines.num_alloc;
ih->data->lines.num_alloc = num;
if (!ih->data->callback_mode)
{
ih->data->cells = (ImatCell**)realloc(ih->data->cells, ih->data->lines.num_alloc*sizeof(ImatCell*));
/* new space are allocated at the end, later we need to move the old data and clear the available space */
for(lin = old_alloc; lin < num; lin++)
ih->data->cells[lin] = (ImatCell*)calloc(ih->data->columns.num_alloc, sizeof(ImatCell));
}
ih->data->lines.sizes = (int*)realloc(ih->data->lines.sizes, ih->data->lines.num_alloc*sizeof(int));
ih->data->lines.flags = (unsigned char*)realloc(ih->data->lines.flags, ih->data->lines.num_alloc*sizeof(unsigned char));
}
if (old_num==num)
return;
if (num>old_num) /* ADD */
{
diff_num = num-old_num; /* size of the openned space */
shift_num = old_num-base; /* size of the data to be moved (base maximum is old_num) */
end = base+diff_num;
/* shift the old data, opening space for new data, from base to end */
/* do it in reverse order to avoid overlapping */
if (shift_num)
{
if (!ih->data->callback_mode)
for (lin = shift_num-1; lin >= 0; lin--) /* all columns, shift_num lines */
memmove(ih->data->cells[lin+end], ih->data->cells[lin+base], ih->data->columns.num_alloc*sizeof(ImatCell));
memmove(ih->data->lines.sizes+end, ih->data->lines.sizes+base, shift_num*sizeof(int));
memmove(ih->data->lines.flags+end, ih->data->lines.flags+base, shift_num*sizeof(unsigned char));
}
/* then clear the new space starting at base */
if (!ih->data->callback_mode)
for (lin = 0; lin < diff_num; lin++) /* all columns, diff_num lines */
memset(ih->data->cells[lin+base], 0, ih->data->columns.num_alloc*sizeof(ImatCell));
memset(ih->data->lines.sizes+base, 0, diff_num*sizeof(int));
memset(ih->data->lines.flags+base, 0, diff_num*sizeof(unsigned char));
}
else /* DEL */
{
diff_num = old_num-num; /* size of the openned space */
shift_num = num-base; /* size of the data to be moved */
end = base+diff_num;
/* release memory from the opened space */
if (!ih->data->callback_mode)
{
for(lin = base; lin < end; lin++) /* all columns, base-end lines */
{
for (col = 0; col < ih->data->columns.num_alloc; col++)
{
ImatCell* cell = &(ih->data->cells[lin][col]);
if (cell->value)
{
free(cell->value);
cell->value = NULL;
}
cell->flags = 0;
}
}
}
/* move the old data to opened space from end to base */
if (shift_num)
{
if (!ih->data->callback_mode)
for (lin = 0; lin < shift_num; lin++) /* all columns, shift_num lines */
memmove(ih->data->cells[lin+base], ih->data->cells[lin+end], ih->data->columns.num_alloc*sizeof(ImatCell));
memmove(ih->data->lines.sizes+base, ih->data->lines.sizes+end, shift_num*sizeof(int));
memmove(ih->data->lines.flags+base, ih->data->lines.flags+end, shift_num*sizeof(unsigned char));
}
/* then clear the remaining space starting at num */
if (!ih->data->callback_mode)
for (lin = 0; lin < diff_num; lin++) /* all columns, diff_num lines */
memset(ih->data->cells[lin+num], 0, ih->data->columns.num_alloc*sizeof(ImatCell));
memset(ih->data->lines.sizes+num, 0, diff_num*sizeof(int));
memset(ih->data->lines.flags+num, 0, diff_num*sizeof(unsigned char));
}
}
void iupMatrixMemReAllocColumns(Ihandle* ih, int old_num, int num, int base)
{
int lin, col, end, diff_num, shift_num;
/* base is the first column where the change started */
/* If it doesn't have enough columns allocated, then allocate more space */
if (num > ih->data->columns.num_alloc) /* this also implicates that also num>old_num */
{
ih->data->columns.num_alloc = num;
/* new space are allocated at the end, later we need to move the old data and clear the available space */
if (!ih->data->callback_mode)
{
for(lin = 0; lin < ih->data->lines.num_alloc; lin++)
ih->data->cells[lin] = (ImatCell*)realloc(ih->data->cells[lin], ih->data->columns.num_alloc*sizeof(ImatCell));
}
ih->data->columns.sizes = (int*)realloc(ih->data->columns.sizes, ih->data->columns.num_alloc*sizeof(int));
ih->data->columns.flags = (unsigned char*)realloc(ih->data->columns.flags, ih->data->columns.num_alloc*sizeof(unsigned char));
}
if (old_num==num)
return;
if (num>old_num) /* ADD */
{
/* even if (old_num-base)>(num-old_num) memmove will correctly copy the memory */
/* then clear the openned space starting at base */
diff_num = num-old_num; /* size of the openned space */
shift_num = old_num-base; /* size of the data to be moved (base maximum is old_num) */
end = base+diff_num;
/* shift the old data, opening space for new data, from base to end */
if (shift_num)
{
if (!ih->data->callback_mode)
for (lin = 0; lin < ih->data->lines.num_alloc; lin++) /* all lines, shift_num columns */
memmove(ih->data->cells[lin]+end, ih->data->cells[lin]+base, shift_num*sizeof(ImatCell));
memmove(ih->data->columns.sizes+end, ih->data->columns.sizes+base, shift_num*sizeof(int));
memmove(ih->data->columns.flags+end, ih->data->columns.flags+base, shift_num*sizeof(unsigned char));
}
/* then clear the openned space starting at base */
if (!ih->data->callback_mode)
for (lin = 0; lin < ih->data->lines.num_alloc; lin++) /* all lines, diff_num columns */
memset(ih->data->cells[lin]+base, 0, diff_num*sizeof(ImatCell));
memset(ih->data->columns.sizes+base, 0, diff_num*sizeof(int));
memset(ih->data->columns.flags+base, 0, diff_num*sizeof(unsigned char));
}
else /* DEL */
{
diff_num = old_num-num; /* size of the openned space */
shift_num = num-base; /* size of the data to be moved */
end = base+diff_num;
/* release memory from the opened space */
if (!ih->data->callback_mode)
{
for (lin = 0; lin < ih->data->lines.num_alloc; lin++) /* all lines, base-end columns */
{
for(col = base; col < end; col++)
{
ImatCell* cell = &(ih->data->cells[lin][col]);
if (cell->value)
{
free(cell->value);
cell->value = NULL;
}
cell->flags = 0;
}
}
}
/* move the old data to opened space from end to base */
/* even if (num-base)>(old_num-num) memmove will correctly copy the memory */
if (shift_num)
{
if (!ih->data->callback_mode)
for (lin = 0; lin < ih->data->lines.num_alloc; lin++) /* all lines, shift_num columns */
memmove(ih->data->cells[lin]+base, ih->data->cells[lin]+end, shift_num*sizeof(ImatCell));
memmove(ih->data->columns.sizes+base, ih->data->columns.sizes+end, shift_num*sizeof(int));
memmove(ih->data->columns.flags+base, ih->data->columns.flags+end, shift_num*sizeof(unsigned char));
}
/* then clear the remaining space starting at num */
if (!ih->data->callback_mode)
for (lin = 0; lin < ih->data->lines.num_alloc; lin++) /* all lines, diff_num columns */
memset(ih->data->cells[lin]+num, 0, diff_num*sizeof(ImatCell));
memset(ih->data->columns.sizes+num, 0, diff_num*sizeof(int));
memset(ih->data->columns.flags+num, 0, diff_num*sizeof(unsigned char));
}
}
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