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/* Copyright (C) 1990, 1992, 1993 Free Software Foundation, Inc.
This file is part of Oleo, the GNU Spreadsheet.
Oleo is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Oleo 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Oleo; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "funcdef.h"
#include <stdio.h>
#include <ctype.h>
#include "sysdef.h"
#include "global.h"
#include "cell.h"
#include "io-generic.h"
#include "io-abstract.h"
#include "regions.h"
#include "io-utils.h"
#include "cmd.h"
static char sl_sep = '\t';
/* This file reads/writes files containing values in separated lists,
sl_sep is the separating character. This isn't really a save-file
format, but it is useful for reading and writing tables written by other
programs.
Note that this format loses *most* of the information about the cells,
including formuale, formats, column widths, etc
*/
void
list_read_file (FILE *fp,
int ismerge)
{
char cbuf[1024];
CELLREF row, col;
char *bptr;
char *eptr;
char *ptr;
char tchar;
int endit;
unsigned lineno;
int string;
lineno = 0;
if (!ismerge)
clear_spreadsheet ();
row = curow;
col = cucol;
while (fgets (&cbuf[1], sizeof (cbuf) - 3, fp))
{
lineno++;
if (lineno % 50 == 0)
io_info_msg ("Line %d", lineno);
endit = 0;
for (bptr = &cbuf[1];; bptr = eptr + 1)
{
eptr = (char *)index (bptr, sl_sep);
if (!eptr)
{
eptr = (char *)index (bptr, '\n');
endit++;
}
string = 0;
for (ptr = bptr; ptr != eptr; ptr++)
if (!isdigit (*ptr) && *ptr != '.' && *ptr != 'e' && *ptr != 'E')
{
string++;
break;
}
if (string)
{
bptr[-1] = '"';
eptr[0] = '"';
tchar = eptr[1];
eptr[1] = '\0';
new_value (row, col, &bptr[-1]);
eptr[1] = tchar;
}
else
{
eptr[0] = '\0';
new_value (row, col, bptr);
}
if (endit)
break;
col++;
}
row++;
col = cucol;
}
}
void
list_write_file (FILE *fp,
struct rng *rng)
{
CELLREF row, col;
CELLREF rMax, cMax;
int repressed;
CELL *cp;
if (!rng)
rng = &all_rng;
rMax = rng->lr;
cMax = rng->lc;
find_cells_in_range (rng);
while (cp = next_row_col_in_range (&row, &col)) {
if (row > rMax) rMax = row;
if (col > cMax) cMax = col;
}
for (row = rng->lr;; row++)
{
repressed = 0;
for (col = rng->lc;; col++)
{
if ((cp = find_cell (row, col)) && GET_TYP (cp))
{
while (repressed > 0)
{
putc (sl_sep, fp);
--repressed;
}
repressed = 1;
switch (GET_TYP (cp))
{
case TYP_FLT:
fputs (flt_to_str (cp->cell_flt), fp);
break;
case TYP_INT:
fprintf (fp, "%ld", cp->cell_int);
break;
case TYP_STR:
fputs (cp->cell_str, fp);
break;
case TYP_BOL:
fputs (bname[cp->cell_bol], fp);
break;
case TYP_ERR:
fputs (ename[cp->cell_err], fp);
break;
#ifdef TEST
default:
panic ("Unknown type %d in write_sl_file()", GET_TYP (cp));
break;
#endif
}
}
else
repressed++;
if (col == cMax)
break;
}
putc ('\n', fp);
if (row == rMax)
break;
}
}
int
list_set_options (int set_opt,
char *option)
{
if (set_opt && !strincmp (option, "list ", 5))
{
option += 5;
sl_sep = string_to_char (&option);
return 0;
}
return -1;
}
void
list_show_options (void)
{
io_text_line ("File format: list (character separated list of cell values)");
io_text_line ("Save file element separator: %s", char_to_string (sl_sep));
}
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