/* PSPP - a program for statistical analysis.
- Copyright (C) 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-
#include <config.h>
#include "libpspp/message.h"
#include "libpspp/misc.h"
#include "gl/minmax.h"
+#include "gl/c-strtod.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
#define N_(msgid) (msgid)
+#include "spreadsheet-reader.h"
#if !GNM_SUPPORT
struct casereader *
-gnumeric_open_reader (struct gnumeric_read_info *gri, struct dictionary **dict)
+gnumeric_open_reader (struct spreadsheet_read_info *gri, struct dictionary **dict)
{
- msg (ME, _("Support for Gnumeric files was not compiled into this installation of PSPP"));
+ msg (ME, _("Support for %s files was not compiled into this installation of PSPP"), "Gnumeric");
return NULL;
}
#include "gl/xalloc.h"
-/* Default width of string variables. */
-#define GNUMERIC_DEFAULT_WIDTH 8
-
static void gnm_file_casereader_destroy (struct casereader *, void *);
static struct ccase *gnm_file_casereader_read (struct casereader *, void *);
NULL,
};
-/* Convert a string, which is an integer encoded in base26
- IE, A=0, B=1, ... Z=25 to the integer it represents.
- ... except that in this scheme, digits with an exponent
- greater than 1 are implicitly incremented by 1, so
- AA = 0 + 1*26, AB = 1 + 1*26,
- ABC = 2 + 2*26 + 1*26^2 ....
-*/
-static int
-pseudo_base26 (const char *str)
-{
- int i;
- int multiplier = 1;
- int result = 0;
- int len = strlen (str);
-
- for ( i = len - 1 ; i >= 0; --i)
- {
- int mantissa = (str[i] - 'A');
-
- if ( mantissa < 0 || mantissa > 25 )
- return -1;
-
- if ( i != len - 1)
- mantissa++;
-
- result += mantissa * multiplier;
-
- multiplier *= 26;
- }
-
- return result;
-}
-
-
-
-/* Convert a cell reference in the form "A1:B2", to
- integers. A1 means column zero, row zero.
- B1 means column 1 row 0. AA1 means column 26, row 0.
-*/
-static bool
-convert_cell_ref (const char *ref,
- int *col0, int *row0,
- int *coli, int *rowi)
-{
- char startcol[5];
- char stopcol [5];
-
- int startrow;
- int stoprow;
-
- int n = sscanf (ref, "%4[a-zA-Z]%d:%4[a-zA-Z]%d",
- startcol, &startrow,
- stopcol, &stoprow);
- if ( n != 4)
- return false;
-
- str_uppercase (startcol);
- *col0 = pseudo_base26 (startcol);
- str_uppercase (stopcol);
- *coli = pseudo_base26 (stopcol);
- *row0 = startrow - 1;
- *rowi = stoprow - 1 ;
-
- return true;
-}
-
-
enum reader_state
{
STATE_INIT = 0, /* Initial state */
static void process_node (struct gnumeric_reader *r);
-#define _xml(X) (CHAR_CAST (const xmlChar *, X))
-
-#define _xmlchar_to_int(X) (atoi(CHAR_CAST (const char *, X)))
static void
gnm_file_casereader_destroy (struct casereader *reader UNUSED, void *r_)
if (0 == xmlStrcasecmp (name, _xml("gnm:Sheet")) &&
XML_READER_TYPE_ELEMENT == r->node_type)
{
+ ++r->sheet_index;
r->state = STATE_SHEET_START;
}
break;
{
r->state = STATE_SHEET_NAME;
}
- else if (0 == xmlStrcasecmp (name, _xml("gnm:Name")) &&
- XML_READER_TYPE_END_ELEMENT == r->node_type)
- {
- r->state = STATE_INIT;
- }
break;
case STATE_SHEET_NAME:
if (0 == xmlStrcasecmp (name, _xml("gnm:Name")) &&
XML_READER_TYPE_END_ELEMENT == r->node_type)
{
- r->state = STATE_SHEET_START;
+ r->state = STATE_INIT;
}
else if (XML_READER_TYPE_TEXT == r->node_type)
{
- ++r->sheet_index;
if ( r->target_sheet != NULL)
{
xmlChar *value = xmlTextReaderValue (r->xtr);
case STATE_CELL:
if (0 == xmlStrcasecmp (name, _xml("gnm:Cell")) &&
XML_READER_TYPE_END_ELEMENT == r->node_type)
- r->state = STATE_CELLS_START;
+ {
+ r->state = STATE_CELLS_START;
+ }
break;
default:
break;
char *endptr;
errno = 0;
- v->f = strtod (text, &endptr);
+ v->f = c_strtod (text, &endptr);
if ( errno != 0 || endptr == text)
v->f = SYSMIS;
}
};
struct casereader *
-gnumeric_open_reader (struct gnumeric_read_info *gri, struct dictionary **dict)
+gnumeric_open_reader (struct spreadsheet_read_info *gri, struct dictionary **dict)
{
unsigned long int vstart = 0;
int ret;
r = xzalloc (sizeof *r);
- r->xtr = xmlReaderForIO ((xmlInputReadCallback) gzread, gzclose, gz,
+ r->xtr = xmlReaderForIO ((xmlInputReadCallback) gzread,
+ (xmlInputCloseCallback) gzclose, gz,
NULL, NULL, 0);
- if ( r->xtr == NULL)
+ if ( r->xtr == NULL )
goto error;
if ( gri->cell_range )
if (-1 == var_spec [idx].width )
var_spec [idx].width = (gri->asw == -1) ?
- ROUND_UP (strlen(text), GNUMERIC_DEFAULT_WIDTH) : gri->asw;
+ ROUND_UP (strlen(text), SPREADSHEET_DEFAULT_WIDTH) : gri->asw;
}
free (value);
}
}
-
- /* Create the dictionary and populate it */
- *dict = r->dict = dict_create (
- CHAR_CAST (const char *, xmlTextReaderConstEncoding (r->xtr)));
+ {
+ const xmlChar *enc = xmlTextReaderConstEncoding (r->xtr);
+ if ( enc == NULL)
+ goto error;
+ /* Create the dictionary and populate it */
+ *dict = r->dict = dict_create (CHAR_CAST (const char *, enc));
+ }
for (i = 0 ; i < n_var_specs ; ++i )
{
/* Probably no data exists for this variable, so allocate a
default width */
if ( var_spec[i].width == -1 )
- var_spec[i].width = GNUMERIC_DEFAULT_WIDTH;
+ var_spec[i].width = SPREADSHEET_DEFAULT_WIDTH;
name = dict_make_unique_var_name (r->dict, var_spec[i].name, &vstart);
dict_create_var (r->dict, name, var_spec[i].width);