/* PSPP - a program for statistical analysis.
- Copyright (C) 2007, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2009, 2010, 2011, 2012, 2013, 2016,
+ 2020 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
#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 spreadsheet_read_info *gri, struct spreadsheet_read_options *opts, struct dictionary **dict)
-{
- msg (ME, _("Support for %s files was not compiled into this installation of PSPP"), "Gnumeric");
-
- return NULL;
-}
-
-#else
-
#include "data/gnumeric-reader.h"
+#include "spreadsheet-reader.h"
#include <assert.h>
#include <stdbool.h>
#include "data/case.h"
#include "data/casereader-provider.h"
+#include "data/data-in.h"
#include "data/dictionary.h"
+#include "data/format.h"
#include "data/identifier.h"
#include "data/value.h"
#include "data/variable.h"
#include "libpspp/i18n.h"
+#include "libpspp/message.h"
+#include "libpspp/misc.h"
+#include "libpspp/hmap.h"
+#include "libpspp/hash-functions.h"
+
#include "libpspp/str.h"
+#include "gl/c-strtod.h"
+#include "gl/minmax.h"
#include "gl/xalloc.h"
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) (msgid)
+
+/* Setting this to false can help with debugging and development.
+ Don't forget to set it back to true, or users will complain that
+ all but the smallest spreadsheets display VERY slowly. */
+static const bool use_cache = true;
+
+/* Shamelessly lifted from the Gnumeric sources:
+ https://git.gnome.org/browse/gnumeric/tree/src/value.h
+ */
+enum gnm_value_type
+{
+ VALUE_EMPTY = 10,
+ VALUE_BOOLEAN = 20,
+ VALUE_INTEGER = 30, /* Note, this was removed from gnumeric in 2006 - old versions may of
+ course still be around. New ones are supposed to use float.*/
+ VALUE_FLOAT = 40,
+ VALUE_ERROR = 50,
+ VALUE_STRING = 60,
+ VALUE_CELLRANGE = 70,
+ VALUE_ARRAY = 80
+};
+
+
static void gnm_file_casereader_destroy (struct casereader *, void *);
static struct ccase *gnm_file_casereader_read (struct casereader *, void *);
+
static const struct casereader_class gnm_file_casereader_class =
{
gnm_file_casereader_read,
STATE_CELL /* Found a cell */
};
-struct sheet_detail
+struct state_data
{
- /* The name of the sheet (utf8 encoding) */
- char *name;
+ gzFile gz;
+
+ /* The libxml reader for this instance */
+ xmlTextReaderPtr xtr;
+
+ /* An internal state variable */
+ enum reader_state state;
+
+ int node_type;
+ int current_sheet;
- int start_col;
- int stop_col;
- int start_row;
- int stop_row;
+ int row;
+ int col;
- int maxcol;
- int maxrow;
+ int min_col;
};
+static void
+state_data_destroy (struct state_data *sd)
+{
+ xmlFreeTextReader (sd->xtr);
+}
+
+
struct gnumeric_reader
{
struct spreadsheet spreadsheet;
- /* The libxml reader for this instance */
- xmlTextReaderPtr xtr;
+ struct state_data rsd;
+ struct state_data msd;
- /* An internal state variable */
- enum reader_state state;
+ const xmlChar *target_sheet_name;
+ int target_sheet_index;
+ enum gnm_value_type vtype;
+
+ /* The total number of sheets in the "workbook" */
+ int n_sheets;
+
+ struct hmap cache;
+};
+
+/* A value to be kept in the hash table for cache purposes. */
+struct cache_datum
+{
+ struct hmap_node node;
+
+ /* The cell's row. */
int row;
+
+ /* The cell's column. */
int col;
- int min_col;
- int node_type;
- int current_sheet;
- int start_col;
- int stop_col;
- int start_row;
- int stop_row;
-
- struct sheet_detail *sheets;
+ /* The value of the cell. */
+ char *value;
+};
- const xmlChar *target_sheet;
- int target_sheet_index;
+static void
+gnumeric_destroy (struct spreadsheet *s)
+{
+ struct gnumeric_reader *r = (struct gnumeric_reader *) s;
- struct caseproto *proto;
- struct dictionary *dict;
- struct ccase *first_case;
- bool used_first_case;
-};
+ int i;
+
+ for (i = 0; i < r->n_sheets; ++i)
+ {
+ xmlFree (r->spreadsheet.sheets[i].name);
+ }
+
+ if (s->dict)
+ dict_unref (s->dict);
+
+ free (r->spreadsheet.sheets);
+ state_data_destroy (&r->msd);
+
+ free (s->file_name);
+
+ struct cache_datum *cell;
+ struct cache_datum *next;
+ HMAP_FOR_EACH_SAFE (cell, next, struct cache_datum, node, &r->cache)
+ {
+ free (cell->value);
+ free (cell);
+ }
+ hmap_destroy (&r->cache);
-const char *
+ free (r);
+}
+
+
+static const char *
gnumeric_get_sheet_name (struct spreadsheet *s, int n)
{
struct gnumeric_reader *gr = (struct gnumeric_reader *) s;
- assert (n < s->n_sheets);
+ assert (n < gr->n_sheets);
- return gr->sheets[n].name;
+ return gr->spreadsheet.sheets[n].name;
}
-static void process_node (struct gnumeric_reader *r);
+static void process_node (struct gnumeric_reader *r, struct state_data *sd);
+
+
+static int
+gnumeric_get_sheet_n_sheets (struct spreadsheet *s)
+{
+ struct gnumeric_reader *gr = (struct gnumeric_reader *) s;
+
+ int ret;
+ while (1 == (ret = xmlTextReaderRead (gr->msd.xtr)))
+ {
+ process_node (gr, &gr->msd);
+ }
+ return gr->n_sheets;
+}
-char *
+static char *
gnumeric_get_sheet_range (struct spreadsheet *s, int n)
{
int ret;
struct gnumeric_reader *gr = (struct gnumeric_reader *) s;
-
- assert (n < s->n_sheets);
- while (
- (gr->sheets[n].stop_col == -1)
- &&
- (1 == (ret = xmlTextReaderRead (gr->xtr)))
- )
+ while ((gr->spreadsheet.sheets[n].last_col == -1)
+ &&
+ (1 == (ret = xmlTextReaderRead (gr->msd.xtr))))
{
- process_node (gr);
+ process_node (gr, &gr->msd);
}
- return create_cell_ref (
- gr->sheets[n].start_col,
- gr->sheets[n].start_row,
- gr->sheets[n].stop_col,
- gr->sheets[n].stop_row);
+ assert (n < gr->n_sheets);
+ return create_cell_range (
+ gr->spreadsheet.sheets[n].first_col,
+ gr->spreadsheet.sheets[n].first_row,
+ gr->spreadsheet.sheets[n].last_col,
+ gr->spreadsheet.sheets[n].last_row);
}
-static void
-gnm_file_casereader_destroy (struct casereader *reader UNUSED, void *r_)
+static unsigned int
+gnumeric_get_sheet_n_rows (struct spreadsheet *s, int n)
{
- struct gnumeric_reader *r = r_;
- if ( r == NULL)
- return ;
+ struct gnumeric_reader *gr = (struct gnumeric_reader *) s;
- if ( r->xtr)
- xmlFreeTextReader (r->xtr);
- r->xtr = NULL;
+ while ((gr->spreadsheet.sheets[n].last_col == -1)
+ &&
+ (1 == xmlTextReaderRead (gr->msd.xtr)))
+ {
+ process_node (gr, &gr->msd);
+ }
- if ( ! r->used_first_case )
- case_unref (r->first_case);
+ assert (n < gr->n_sheets);
+ return gr->spreadsheet.sheets[n].last_row + 1;
+}
- caseproto_unref (r->proto);
+static unsigned int
+gnumeric_get_sheet_n_columns (struct spreadsheet *s, int n)
+{
+ struct gnumeric_reader *gr = (struct gnumeric_reader *) s;
-#if 0
- for (i = 0; i < r->spreadsheet.n_sheets; ++i)
+ while ((gr->spreadsheet.sheets[n].last_col == -1)
+ &&
+ (1 == xmlTextReaderRead (gr->msd.xtr)))
{
- xmlFree (r->sheets[i].name);
+ process_node (gr, &gr->msd);
}
-
- free (r->sheets);
+ assert (n < gr->n_sheets);
+ return gr->spreadsheet.sheets[n].last_col + 1;
+}
- free (r);
-#endif
+static struct gnumeric_reader *
+gnumeric_reopen (struct gnumeric_reader *r, const char *filename, bool show_errors);
+
+
+static char *
+gnumeric_get_sheet_cell (struct spreadsheet *s, int n, int row, int column)
+{
+ struct gnumeric_reader *gr = (struct gnumeric_reader *) s;
+
+ /* See if this cell is in the cache. If it is, then use it. */
+ if (use_cache)
+ {
+ struct cache_datum *lookup = NULL;
+ unsigned int hash = hash_int (row, 0);
+ hash = hash_int (column, hash);
+
+ HMAP_FOR_EACH_WITH_HASH (lookup, struct cache_datum, node, hash,
+ &gr->cache)
+ {
+ if (lookup->row == row && lookup->col == column)
+ {
+ break;
+ }
+ }
+ if (lookup)
+ {
+ return strdup (lookup->value);
+ }
+ }
+
+ struct state_data sd;
+
+ sd.state = STATE_PRE_INIT;
+ sd.current_sheet = -1;
+ sd.row = -1;
+ sd.col = -1;
+ sd.min_col = 0;
+ sd.gz = gzopen (s->file_name, "r");
+
+ sd.xtr = xmlReaderForIO ((xmlInputReadCallback) gzread,
+ (xmlInputCloseCallback) gzclose,
+ sd.gz,
+ NULL, NULL,
+ 0);
+
+
+ gr->target_sheet_name = NULL;
+
+ int current_row = -1;
+ int current_col = -1;
+
+ /* Spool to the target cell, caching values of cells as they are encountered. */
+ for (int ret = 1; ret; )
+ {
+ while ((ret = xmlTextReaderRead (sd.xtr)))
+ {
+ process_node (gr, &sd);
+ if (sd.state == STATE_CELL)
+ {
+ if (sd.current_sheet == n)
+ {
+ current_row = sd.row;
+ current_col = sd.col;
+ break;
+ }
+ }
+ }
+ if (current_row >= row && current_col >= column - 1)
+ break;
+
+ while ((ret = xmlTextReaderRead (sd.xtr)))
+ {
+ process_node (gr, &sd);
+ if (sd.node_type == XML_READER_TYPE_TEXT)
+ break;
+ }
+
+ if (use_cache)
+ {
+ /* See if this cell has already been cached ... */
+ unsigned int hash = hash_int (current_row, 0);
+ hash = hash_int (current_col, hash);
+ struct cache_datum *probe = NULL;
+ HMAP_FOR_EACH_WITH_HASH (probe, struct cache_datum, node, hash,
+ &gr->cache)
+ {
+ if (probe->row == current_row && probe->col == current_col)
+ break;
+ }
+ /* If not, then cache it. */
+ if (!probe)
+ {
+ char *str = CHAR_CAST (char *, xmlTextReaderValue (sd.xtr));
+ struct cache_datum *cell_data = XMALLOC (struct cache_datum);
+ cell_data->row = current_row;
+ cell_data->col = current_col;
+ cell_data->value = str;
+ hmap_insert (&gr->cache, &cell_data->node, hash);
+ }
+ }
+ }
+
+ while (xmlTextReaderRead (sd.xtr))
+ {
+ process_node (gr, &sd);
+ if (sd.state == STATE_CELL && sd.node_type == XML_READER_TYPE_TEXT)
+ {
+ if (sd.current_sheet == n)
+ {
+ if (row == sd.row && column == sd.col)
+ break;
+ }
+ }
+ }
+
+ char *cell_content = CHAR_CAST (char *, xmlTextReaderValue (sd.xtr));
+ xmlFreeTextReader (sd.xtr);
+ return cell_content;
+}
+
+
+static void
+gnm_file_casereader_destroy (struct casereader *reader UNUSED, void *r_)
+{
+ struct gnumeric_reader *r = r_;
+
+ if (r == NULL)
+ return ;
+
+ state_data_destroy (&r->rsd);
+
+ if (r->spreadsheet.first_case && ! r->spreadsheet.used_first_case)
+ case_unref (r->spreadsheet.first_case);
+
+ if (r->spreadsheet.proto)
+ caseproto_unref (r->spreadsheet.proto);
+
+ spreadsheet_unref (&r->spreadsheet);
}
+
static void
-process_node (struct gnumeric_reader *r)
+process_node (struct gnumeric_reader *r, struct state_data *sd)
{
- xmlChar *name = xmlTextReaderName (r->xtr);
+ xmlChar *name = xmlTextReaderName (sd->xtr);
if (name == NULL)
name = xmlStrdup (_xml ("--"));
- r->node_type = xmlTextReaderNodeType (r->xtr);
+ sd->node_type = xmlTextReaderNodeType (sd->xtr);
- switch (r->state)
+ switch (sd->state)
{
case STATE_PRE_INIT:
- r->current_sheet = -1;
+ sd->current_sheet = -1;
if (0 == xmlStrcasecmp (name, _xml("gnm:SheetNameIndex")) &&
- XML_READER_TYPE_ELEMENT == r->node_type)
+ XML_READER_TYPE_ELEMENT == sd->node_type)
{
- r->state = STATE_SHEET_COUNT;
+ sd->state = STATE_SHEET_COUNT;
}
break;
case STATE_SHEET_COUNT:
if (0 == xmlStrcasecmp (name, _xml("gnm:SheetName")) &&
- XML_READER_TYPE_ELEMENT == r->node_type)
+ XML_READER_TYPE_ELEMENT == sd->node_type)
{
- ++r->current_sheet;
- if (r->current_sheet + 1 > r->spreadsheet.n_sheets)
+ ++sd->current_sheet;
+ if (sd->current_sheet + 1 > r->n_sheets)
{
- struct sheet_detail *sd ;
- r->sheets = xrealloc (r->sheets, (r->current_sheet + 1) * sizeof *r->sheets);
- sd = &r->sheets[r->current_sheet];
- sd->start_col = sd->stop_col = sd->start_row = sd->stop_row = -1;
- r->spreadsheet.n_sheets = r->current_sheet + 1;
+ struct sheet_detail *detail ;
+ r->spreadsheet.sheets = xrealloc (r->spreadsheet.sheets, (sd->current_sheet + 1) * sizeof *r->spreadsheet.sheets);
+ detail = &r->spreadsheet.sheets[sd->current_sheet];
+ detail->first_col = detail->last_col = detail->first_row = detail->last_row = -1;
+ detail->name = NULL;
+ r->n_sheets = sd->current_sheet + 1;
}
}
else if (0 == xmlStrcasecmp (name, _xml("gnm:SheetNameIndex")) &&
- XML_READER_TYPE_END_ELEMENT == r->node_type)
+ XML_READER_TYPE_END_ELEMENT == sd->node_type)
{
- r->state = STATE_INIT;
- r->current_sheet = -1;
+ sd->state = STATE_INIT;
+ sd->current_sheet = -1;
}
- else if (XML_READER_TYPE_TEXT == r->node_type)
+ else if (XML_READER_TYPE_TEXT == sd->node_type)
{
- r->sheets [r->spreadsheet.n_sheets - 1].name = CHAR_CAST (char *, xmlTextReaderValue (r->xtr));
+ if (r->spreadsheet.sheets [r->n_sheets - 1].name == NULL)
+ r->spreadsheet.sheets [r->n_sheets - 1].name =
+ CHAR_CAST (char *, xmlTextReaderValue (sd->xtr));
}
break;
case STATE_INIT:
if (0 == xmlStrcasecmp (name, _xml("gnm:Sheet")) &&
- XML_READER_TYPE_ELEMENT == r->node_type)
+ XML_READER_TYPE_ELEMENT == sd->node_type)
{
- ++r->current_sheet;
- r->state = STATE_SHEET_START;
+ ++sd->current_sheet;
+ sd->state = STATE_SHEET_START;
}
break;
case STATE_SHEET_START:
if (0 == xmlStrcasecmp (name, _xml("gnm:Name")) &&
- XML_READER_TYPE_ELEMENT == r->node_type)
+ XML_READER_TYPE_ELEMENT == sd->node_type)
{
- r->state = STATE_SHEET_NAME;
+ sd->state = STATE_SHEET_NAME;
}
break;
case STATE_SHEET_NAME:
if (0 == xmlStrcasecmp (name, _xml("gnm:Name")) &&
- XML_READER_TYPE_END_ELEMENT == r->node_type)
+ XML_READER_TYPE_END_ELEMENT == sd->node_type)
{
- r->state = STATE_INIT;
+ sd->state = STATE_INIT;
}
else if (0 == xmlStrcasecmp (name, _xml("gnm:Sheet")) &&
- XML_READER_TYPE_END_ELEMENT == r->node_type)
+ XML_READER_TYPE_END_ELEMENT == sd->node_type)
{
- r->state = STATE_INIT;
+ sd->state = STATE_INIT;
}
- else if (XML_READER_TYPE_TEXT == r->node_type)
+ else if (XML_READER_TYPE_TEXT == sd->node_type)
{
- if ( r->target_sheet != NULL)
+ if (r->target_sheet_name != NULL)
{
- xmlChar *value = xmlTextReaderValue (r->xtr);
- if ( 0 == xmlStrcmp (value, r->target_sheet))
- r->state = STATE_SHEET_FOUND;
+ xmlChar *value = xmlTextReaderValue (sd->xtr);
+ if (0 == xmlStrcmp (value, r->target_sheet_name))
+ sd->state = STATE_SHEET_FOUND;
free (value);
}
- else if (r->target_sheet_index == r->current_sheet + 1)
+ else if (r->target_sheet_index == sd->current_sheet + 1)
{
- r->state = STATE_SHEET_FOUND;
+ sd->state = STATE_SHEET_FOUND;
}
else if (r->target_sheet_index == -1)
{
- r->state = STATE_SHEET_FOUND;
+ sd->state = STATE_SHEET_FOUND;
}
}
break;
case STATE_SHEET_FOUND:
if (0 == xmlStrcasecmp (name, _xml("gnm:Cells")) &&
- XML_READER_TYPE_ELEMENT == r->node_type)
+ XML_READER_TYPE_ELEMENT == sd->node_type)
{
- r->min_col = INT_MAX;
- if (! xmlTextReaderIsEmptyElement (r->xtr))
- r->state = STATE_CELLS_START;
+ sd->min_col = INT_MAX;
+ if (! xmlTextReaderIsEmptyElement (sd->xtr))
+ sd->state = STATE_CELLS_START;
}
else if (0 == xmlStrcasecmp (name, _xml("gnm:MaxRow")) &&
- XML_READER_TYPE_ELEMENT == r->node_type)
+ XML_READER_TYPE_ELEMENT == sd->node_type)
{
- r->state = STATE_MAXROW;
+ sd->state = STATE_MAXROW;
}
else if (0 == xmlStrcasecmp (name, _xml("gnm:MaxCol")) &&
- XML_READER_TYPE_ELEMENT == r->node_type)
+ XML_READER_TYPE_ELEMENT == sd->node_type)
{
- r->state = STATE_MAXCOL;
+ sd->state = STATE_MAXCOL;
}
else if (0 == xmlStrcasecmp (name, _xml("gnm:Sheet")) &&
- XML_READER_TYPE_END_ELEMENT == r->node_type)
+ XML_READER_TYPE_END_ELEMENT == sd->node_type)
{
- r->state = STATE_INIT;
+ sd->state = STATE_INIT;
}
break;
case STATE_MAXROW:
if (0 == xmlStrcasecmp (name, _xml("gnm:MaxRow")) &&
- XML_READER_TYPE_END_ELEMENT == r->node_type)
+ XML_READER_TYPE_END_ELEMENT == sd->node_type)
{
- r->state = STATE_SHEET_FOUND;
+ sd->state = STATE_SHEET_FOUND;
}
- else if (r->node_type == XML_READER_TYPE_TEXT)
+ else if (sd->node_type == XML_READER_TYPE_TEXT)
{
- xmlChar *value = xmlTextReaderValue (r->xtr);
- r->sheets[r->current_sheet].maxrow = _xmlchar_to_int (value);
+ xmlChar *value = xmlTextReaderValue (sd->xtr);
xmlFree (value);
}
break;
case STATE_MAXCOL:
if (0 == xmlStrcasecmp (name, _xml("gnm:MaxCol")) &&
- XML_READER_TYPE_END_ELEMENT == r->node_type)
+ XML_READER_TYPE_END_ELEMENT == sd->node_type)
{
- r->state = STATE_SHEET_FOUND;
+ sd->state = STATE_SHEET_FOUND;
}
- else if (r->node_type == XML_READER_TYPE_TEXT)
+ else if (sd->node_type == XML_READER_TYPE_TEXT)
{
- xmlChar *value = xmlTextReaderValue (r->xtr);
- r->sheets[r->current_sheet].maxcol = _xmlchar_to_int (value);
+ xmlChar *value = xmlTextReaderValue (sd->xtr);
xmlFree (value);
}
break;
case STATE_CELLS_START:
if (0 == xmlStrcasecmp (name, _xml ("gnm:Cell")) &&
- XML_READER_TYPE_ELEMENT == r->node_type)
+ XML_READER_TYPE_ELEMENT == sd->node_type)
{
- xmlChar *attr = NULL;
-
- attr = xmlTextReaderGetAttribute (r->xtr, _xml ("Col"));
- r->col = _xmlchar_to_int (attr);
+ xmlChar *attr = xmlTextReaderGetAttribute (sd->xtr, _xml ("Col"));
+ sd->col = _xmlchar_to_int (attr);
free (attr);
- if (r->col < r->min_col)
- r->min_col = r->col;
+ if (sd->col < sd->min_col)
+ sd->min_col = sd->col;
- attr = xmlTextReaderGetAttribute (r->xtr, _xml ("Row"));
- r->row = _xmlchar_to_int (attr);
+ attr = xmlTextReaderGetAttribute (sd->xtr, _xml ("Row"));
+ sd->row = _xmlchar_to_int (attr);
free (attr);
- if (r->sheets[r->current_sheet].start_row == -1)
+ if (r->spreadsheet.sheets[sd->current_sheet].first_row == -1)
{
- r->sheets[r->current_sheet].start_row = r->row;
+ r->spreadsheet.sheets[sd->current_sheet].first_row = sd->row;
}
- if (r->sheets[r->current_sheet].start_col == -1)
+ if (r->spreadsheet.sheets[sd->current_sheet].first_col == -1)
{
- r->sheets[r->current_sheet].start_col = r->col;
+ r->spreadsheet.sheets[sd->current_sheet].first_col = sd->col;
}
- if (! xmlTextReaderIsEmptyElement (r->xtr))
- r->state = STATE_CELL;
+ if (! xmlTextReaderIsEmptyElement (sd->xtr))
+ sd->state = STATE_CELL;
}
- else if ( (0 == xmlStrcasecmp (name, _xml("gnm:Cells"))) && (XML_READER_TYPE_END_ELEMENT == r->node_type) )
+ else if ((0 == xmlStrcasecmp (name, _xml("gnm:Cells")))
+ && (XML_READER_TYPE_END_ELEMENT == sd->node_type))
{
- r->sheets[r->current_sheet].stop_col = r->col;
- r->sheets[r->current_sheet].stop_row = r->row;
- r->state = STATE_SHEET_NAME;
+ r->spreadsheet.sheets[sd->current_sheet].last_col = sd->col;
+ r->spreadsheet.sheets[sd->current_sheet].last_row = sd->row;
+ sd->state = STATE_SHEET_NAME;
}
break;
case STATE_CELL:
- if (0 == xmlStrcasecmp (name, _xml("gnm:Cell")) && XML_READER_TYPE_END_ELEMENT == r->node_type)
+ if (0 == xmlStrcasecmp (name, _xml("gnm:Cell"))
+ && XML_READER_TYPE_END_ELEMENT == sd->node_type)
{
- r->state = STATE_CELLS_START;
+ sd->state = STATE_CELLS_START;
}
break;
default:
*/
static void
convert_xml_string_to_value (struct ccase *c, const struct variable *var,
- const xmlChar *xv)
+ const xmlChar *xv, enum gnm_value_type type, int col, int row)
{
union value *v = case_data_rw (c, var);
if (xv == NULL)
value_set_missing (v, var_get_width (var));
- else if ( var_is_alpha (var))
+ else if (var_is_alpha (var))
value_copy_str_rpad (v, var_get_width (var), xv, ' ');
- else
+ else if (type == VALUE_FLOAT || type == VALUE_INTEGER)
{
const char *text = CHAR_CAST (const char *, xv);
char *endptr;
errno = 0;
v->f = c_strtod (text, &endptr);
- if ( errno != 0 || endptr == text)
+ if (errno != 0 || endptr == text)
v->f = SYSMIS;
}
+ else
+ {
+ const char *text = CHAR_CAST (const char *, xv);
+
+ const struct fmt_spec *fmt = var_get_write_format (var);
+
+ char *m = data_in (ss_cstr (text), "UTF-8", fmt->type,
+ settings_get_fmt_settings (), v, var_get_width (var),
+ "UTF-8");
+
+ if (m)
+ {
+ char buf [FMT_STRING_LEN_MAX + 1];
+ char *cell = create_cell_ref (col, row);
+
+ msg (MW, _("Cannot convert the value in the spreadsheet cell %s to format (%s): %s"),
+ cell, fmt_to_string (fmt, buf), m);
+ free (cell);
+ }
+ free (m);
+ }
}
struct var_spec
char *name;
int width;
xmlChar *first_value;
+ int first_type;
};
-void
-gnumeric_destroy (struct spreadsheet *s)
-{
- gnm_file_casereader_destroy (NULL, s);
-}
-
-
static void
gnumeric_error_handler (void *ctx, const char *mesg,
- UNUSED xmlParserSeverities sev, xmlTextReaderLocatorPtr loc)
+ xmlParserSeverities sev UNUSED,
+ xmlTextReaderLocatorPtr loc)
{
struct gnumeric_reader *r = ctx;
-
- msg (MW, _("There was a problem whilst reading the Gnumeric file `%s' (near line %d): `%s'"),
+
+ msg (MW, _("There was a problem whilst reading the %s file `%s' (near line %d): `%s'"),
+ "Gnumeric",
r->spreadsheet.file_name,
xmlTextReaderLocatorLineNumber (loc),
mesg);
}
-static struct gnumeric_reader *
-gnumeric_reopen (struct gnumeric_reader *r, const char *filename, bool show_errors)
-{
- int ret;
-
- xmlTextReaderPtr xtr;
- gzFile gz;
-
- assert (r == NULL || filename == NULL);
-
- if (r && r->xtr)
- xmlFreeTextReader (r->xtr);
-
- if (filename)
- gz = gzopen (filename, "r");
- else
- gz = gzopen ( r->spreadsheet.file_name, "r");
-
- if (NULL == gz)
- return NULL;
-
-
- xtr = xmlReaderForIO ((xmlInputReadCallback) gzread,
- (xmlInputCloseCallback) gzclose, gz,
- NULL, NULL,
- show_errors ? 0 : (XML_PARSE_NOERROR | XML_PARSE_NOWARNING) );
-
- if (xtr == NULL)
- {
- gzclose (gz);
- return NULL;
- }
-
- if (r == NULL)
- {
- r = xzalloc (sizeof *r);
- r->spreadsheet.n_sheets = -1;
- r->spreadsheet.file_name = filename;
- }
-
- if (show_errors)
- xmlTextReaderSetErrorHandler (xtr, gnumeric_error_handler, r);
-
- r->target_sheet = NULL;
- r->target_sheet_index = -1;
-
- r->row = r->col = -1;
- r->state = STATE_PRE_INIT;
- r->xtr = xtr;
-
- /* Advance to the start of the workbook.
- This gives us some confidence that we are actually dealing with a gnumeric
- spreadsheet.
- */
- while ( (r->state != STATE_INIT )
- && 1 == (ret = xmlTextReaderRead (r->xtr)))
- {
- process_node (r);
- }
-
- if ( ret != 1)
- {
- /* Does not seem to be a gnumeric file */
- xmlFreeTextReader (r->xtr);
- free (r);
- return NULL;
- }
-
- r->spreadsheet.type = SPREADSHEET_GNUMERIC;
-
- if (show_errors)
- {
- const xmlChar *enc = xmlTextReaderConstEncoding (r->xtr);
- xmlCharEncoding xce = xmlParseCharEncoding (CHAR_CAST (const char *, enc));
-
- if ( XML_CHAR_ENCODING_UTF8 != xce)
- {
- /* I have been told that ALL gnumeric files are UTF8 encoded. If that is correct, this
- can never happen. */
- msg (MW, _("The gnumeric file `%s' is encoded as %s instead of the usual UTF-8 encoding. "
- "Any non-ascii characters will be incorrectly imported."),
- r->spreadsheet.file_name,
- enc);
- }
- }
-
- return r;
-}
-
-
-struct spreadsheet *
-gnumeric_probe (const char *filename, bool report_errors)
-{
- struct gnumeric_reader *r = gnumeric_reopen (NULL, filename, report_errors);
-
- return &r->spreadsheet;
-}
-
-
-struct casereader *
+static struct casereader *
gnumeric_make_reader (struct spreadsheet *spreadsheet,
- const struct spreadsheet_read_info *gri,
const struct spreadsheet_read_options *opts)
{
+ int type = 0;
int x = 0;
struct gnumeric_reader *r = NULL;
unsigned long int vstart = 0;
r = (struct gnumeric_reader *) (spreadsheet);
- if (r->row != -1)
- r = gnumeric_reopen (r, NULL, true);
+ r = gnumeric_reopen (r, NULL, true);
- if ( opts->cell_range )
+ if (opts->cell_range)
{
- if ( ! convert_cell_ref (opts->cell_range,
- &r->start_col, &r->start_row,
- &r->stop_col, &r->stop_row))
+ if (! convert_cell_ref (opts->cell_range,
+ &r->spreadsheet.start_col, &r->spreadsheet.start_row,
+ &r->spreadsheet.stop_col, &r->spreadsheet.stop_row))
{
msg (SE, _("Invalid cell range `%s'"),
opts->cell_range);
}
else
{
- r->start_col = -1;
- r->start_row = 0;
- r->stop_col = -1;
- r->stop_row = -1;
+ r->spreadsheet.start_col = -1;
+ r->spreadsheet.start_row = 0;
+ r->spreadsheet.stop_col = -1;
+ r->spreadsheet.stop_row = -1;
}
- r->target_sheet = BAD_CAST opts->sheet_name;
+ r->target_sheet_name = BAD_CAST opts->sheet_name;
r->target_sheet_index = opts->sheet_index;
- r->row = r->col = -1;
- r->current_sheet = -1;
+ r->rsd.row = r->rsd.col = -1;
+ r->rsd.current_sheet = -1;
+ r->spreadsheet.first_case = NULL;
+ r->spreadsheet.proto = NULL;
/* Advance to the start of the cells for the target sheet */
- while ( (r->state != STATE_CELL || r->row < r->start_row )
- && 1 == (ret = xmlTextReaderRead (r->xtr)))
+ while ((r->rsd.state != STATE_CELL || r->rsd.row < r->spreadsheet.start_row)
+ && 1 == (ret = xmlTextReaderRead (r->rsd.xtr)))
{
xmlChar *value ;
- process_node (r);
- value = xmlTextReaderValue (r->xtr);
+ process_node (r, &r->rsd);
+ value = xmlTextReaderValue (r->rsd.xtr);
- if ( r->state == STATE_MAXROW && r->node_type == XML_READER_TYPE_TEXT)
+ if (r->rsd.state == STATE_MAXROW && r->rsd.node_type == XML_READER_TYPE_TEXT)
{
n_cases = 1 + _xmlchar_to_int (value) ;
}
/* If a range has been given, then use that to calculate the number
of cases */
- if ( opts->cell_range)
+ if (opts->cell_range)
{
- n_cases = MIN (n_cases, r->stop_row - r->start_row + 1);
+ n_cases = MIN (n_cases, r->spreadsheet.stop_row - r->spreadsheet.start_row + 1);
}
- if ( gri->read_names )
+ if (opts->read_names)
{
- r->start_row++;
+ r->spreadsheet.start_row++;
n_cases --;
}
+
/* Read in the first row of cells,
including the headers if read_names was set */
while (
- (( r->state == STATE_CELLS_START && r->row <= r->start_row) || r->state == STATE_CELL )
- && (ret = xmlTextReaderRead (r->xtr))
- )
+ ((r->rsd.state == STATE_CELLS_START && r->rsd.row <= r->spreadsheet.start_row) || r->rsd.state == STATE_CELL)
+ && (ret = xmlTextReaderRead (r->rsd.xtr))
+ )
{
int idx;
- process_node (r);
- if ( r->row > r->start_row ) break;
+ if (r->rsd.state == STATE_CELL && r->rsd.node_type == XML_READER_TYPE_TEXT)
+ {
+ xmlChar *attr =
+ xmlTextReaderGetAttribute (r->rsd.xtr, _xml ("ValueType"));
+
+ type = _xmlchar_to_int (attr);
+
+ xmlFree (attr);
+ }
+
+ process_node (r, &r->rsd);
+
+ if (r->rsd.row > r->spreadsheet.start_row)
+ {
+ xmlChar *attr =
+ xmlTextReaderGetAttribute (r->rsd.xtr, _xml ("ValueType"));
+
+ r->vtype = _xmlchar_to_int (attr);
- if ( r->col < r->start_col ||
- (r->stop_col != -1 && r->col > r->stop_col))
+ xmlFree (attr);
+ break;
+ }
+
+ if (r->rsd.col < r->spreadsheet.start_col ||
+ (r->spreadsheet.stop_col != -1 && r->rsd.col > r->spreadsheet.stop_col))
continue;
- idx = r->col - r->start_col;
+ idx = r->rsd.col - r->spreadsheet.start_col;
- if ( idx >= n_var_specs )
+ if (idx >= n_var_specs)
{
int i;
var_spec = xrealloc (var_spec, sizeof (*var_spec) * (idx + 1));
var_spec [i].name = NULL;
var_spec [i].width = -1;
var_spec [i].first_value = NULL;
+ var_spec [i].first_type = -1;
}
n_var_specs = idx + 1 ;
}
- if ( r->node_type == XML_READER_TYPE_TEXT )
+ var_spec [idx].first_type = type;
+
+ if (r->rsd.node_type == XML_READER_TYPE_TEXT)
{
- xmlChar *value = xmlTextReaderValue (r->xtr);
+ xmlChar *value = xmlTextReaderValue (r->rsd.xtr);
const char *text = CHAR_CAST (const char *, value);
- if ( r->row < r->start_row)
+ if (r->rsd.row < r->spreadsheet.start_row)
{
- if ( gri->read_names )
+ if (opts->read_names)
{
var_spec [idx].name = xstrdup (text);
}
{
var_spec [idx].first_value = xmlStrdup (value);
- if (-1 == var_spec [idx].width )
- var_spec [idx].width = (gri->asw == -1) ?
- ROUND_UP (strlen(text), SPREADSHEET_DEFAULT_WIDTH) : gri->asw;
+ if (-1 == var_spec [idx].width)
+ var_spec [idx].width = (opts->asw == -1) ?
+ ROUND_UP (strlen(text), SPREADSHEET_DEFAULT_WIDTH) : opts->asw;
}
free (value);
}
- else if ( r->node_type == XML_READER_TYPE_ELEMENT
- && r->state == STATE_CELL)
+ else if (r->rsd.node_type == XML_READER_TYPE_ELEMENT
+ && r->rsd.state == STATE_CELL)
{
- if ( r->row == r->start_row )
+ if (r->rsd.row == r->spreadsheet.start_row)
{
xmlChar *attr =
- xmlTextReaderGetAttribute (r->xtr, _xml ("ValueType"));
+ xmlTextReaderGetAttribute (r->rsd.xtr, _xml ("ValueType"));
- if ( NULL == attr || 60 != _xmlchar_to_int (attr))
+ if (NULL == attr || VALUE_STRING != _xmlchar_to_int (attr))
var_spec [idx].width = 0;
free (attr);
}
{
- const xmlChar *enc = xmlTextReaderConstEncoding (r->xtr);
- if ( enc == NULL)
+ const xmlChar *enc = xmlTextReaderConstEncoding (r->rsd.xtr);
+ if (enc == NULL)
goto error;
/* Create the dictionary and populate it */
- spreadsheet->dict = r->dict = dict_create (CHAR_CAST (const char *, enc));
+ spreadsheet->dict = dict_create (CHAR_CAST (const char *, enc));
}
- for (i = 0 ; i < n_var_specs ; ++i )
+ for (i = 0 ; i < n_var_specs ; ++i)
{
char *name;
- if ( (var_spec[i].name == NULL) && (var_spec[i].first_value == NULL))
+ if ((var_spec[i].name == NULL) && (var_spec[i].first_value == NULL))
continue;
/* Probably no data exists for this variable, so allocate a
default width */
- if ( var_spec[i].width == -1 )
+ if (var_spec[i].width == -1)
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);
+ name = dict_make_unique_var_name (r->spreadsheet.dict, var_spec[i].name, &vstart);
+ dict_create_var (r->spreadsheet.dict, name, var_spec[i].width);
free (name);
}
/* Create the first case, and cache it */
- r->used_first_case = false;
+ r->spreadsheet.used_first_case = false;
- if ( n_var_specs == 0 )
+ if (n_var_specs == 0)
{
msg (MW, _("Selected sheet or range of spreadsheet `%s' is empty."),
spreadsheet->file_name);
goto error;
}
- r->proto = caseproto_ref (dict_get_proto (r->dict));
- r->first_case = case_create (r->proto);
- case_set_missing (r->first_case);
+ r->spreadsheet.proto = caseproto_ref (dict_get_proto (r->spreadsheet.dict));
+ r->spreadsheet.first_case = case_create (r->spreadsheet.proto);
+ case_set_missing (r->spreadsheet.first_case);
- for ( i = 0 ; i < n_var_specs ; ++i )
+ for (i = 0 ; i < n_var_specs ; ++i)
{
const struct variable *var;
- if ( (var_spec[i].name == NULL) && (var_spec[i].first_value == NULL))
+ if ((var_spec[i].name == NULL) && (var_spec[i].first_value == NULL))
continue;
- var = dict_get_var (r->dict, x++);
+ var = dict_get_var (r->spreadsheet.dict, x++);
- convert_xml_string_to_value (r->first_case, var,
- var_spec[i].first_value);
+ convert_xml_string_to_value (r->spreadsheet.first_case, var,
+ var_spec[i].first_value,
+ var_spec[i].first_type,
+ r->rsd.col + i - 1,
+ r->rsd.row - 1);
}
- for ( i = 0 ; i < n_var_specs ; ++i )
+ for (i = 0 ; i < n_var_specs ; ++i)
{
free (var_spec[i].first_value);
free (var_spec[i].name);
}
free (var_spec);
-
+
return casereader_create_sequential
(NULL,
- r->proto,
+ r->spreadsheet.proto,
n_cases,
&gnm_file_casereader_class, r);
error:
- for ( i = 0 ; i < n_var_specs ; ++i )
+ for (i = 0 ; i < n_var_specs ; ++i)
{
free (var_spec[i].first_value);
free (var_spec[i].name);
}
free (var_spec);
- dict_destroy (spreadsheet->dict);
- spreadsheet->dict = NULL;
gnm_file_casereader_destroy (NULL, r);
int ret = 0;
struct gnumeric_reader *r = r_;
- int current_row = r->row;
+ int current_row = r->rsd.row;
- if ( !r->used_first_case )
+ if (!r->spreadsheet.used_first_case)
{
- r->used_first_case = true;
- return r->first_case;
+ r->spreadsheet.used_first_case = true;
+ return r->spreadsheet.first_case;
}
- c = case_create (r->proto);
+ c = case_create (r->spreadsheet.proto);
case_set_missing (c);
- if (r->start_col == -1)
- r->start_col = r->min_col;
+ if (r->spreadsheet.start_col == -1)
+ r->spreadsheet.start_col = r->rsd.min_col;
+
- while ((r->state == STATE_CELL || r->state == STATE_CELLS_START )
- && r->row == current_row && (ret = xmlTextReaderRead (r->xtr)))
+ while ((r->rsd.state == STATE_CELL || r->rsd.state == STATE_CELLS_START)
+ && r->rsd.row == current_row && (ret = xmlTextReaderRead (r->rsd.xtr)))
{
- process_node (r);
+ process_node (r, &r->rsd);
- if ( r->col < r->start_col || (r->stop_col != -1 &&
- r->col > r->stop_col))
+ if (r->rsd.state == STATE_CELL && r->rsd.node_type == XML_READER_TYPE_ELEMENT)
+ {
+ xmlChar *attr =
+ xmlTextReaderGetAttribute (r->rsd.xtr, _xml ("ValueType"));
+
+ r->vtype = _xmlchar_to_int (attr);
+
+ xmlFree (attr);
+ }
+
+ if (r->rsd.col < r->spreadsheet.start_col || (r->spreadsheet.stop_col != -1 &&
+ r->rsd.col > r->spreadsheet.stop_col))
continue;
- if ( r->col - r->start_col >= caseproto_get_n_widths (r->proto))
+ if (r->rsd.col - r->spreadsheet.start_col >= caseproto_get_n_widths (r->spreadsheet.proto))
continue;
- if ( r->stop_row != -1 && r->row > r->stop_row)
+ if (r->spreadsheet.stop_row != -1 && r->rsd.row > r->spreadsheet.stop_row)
break;
- if ( r->node_type == XML_READER_TYPE_TEXT )
- {
- xmlChar *value = xmlTextReaderValue (r->xtr);
-
- const int idx = r->col - r->start_col;
- const struct variable *var = dict_get_var (r->dict, idx);
+ if (r->rsd.node_type == XML_READER_TYPE_TEXT)
+ {
+ xmlChar *value = xmlTextReaderValue (r->rsd.xtr);
+ const int idx = r->rsd.col - r->spreadsheet.start_col;
+ const struct variable *var = dict_get_var (r->spreadsheet.dict, idx);
- convert_xml_string_to_value (c, var, value);
+ convert_xml_string_to_value (c, var, value, r->vtype,
+ r->rsd.col, r->rsd.row);
- free (value);
+ xmlFree (value);
}
-
}
if (ret == 1)
}
}
+static struct gnumeric_reader *
+gnumeric_reopen (struct gnumeric_reader *r, const char *filename, bool show_errors)
+{
+ int ret = -1;
+ struct state_data *sd;
+
+ xmlTextReaderPtr xtr;
+ gzFile gz;
+
+ assert (r == NULL || filename == NULL);
+
+ if (filename)
+ {
+ gz = gzopen (filename, "r");
+ }
+ else
+ {
+ gz = gzopen (r->spreadsheet.file_name, "r");
+ }
+
+ if (NULL == gz)
+ return NULL;
+
+ if (r == NULL)
+ {
+ r = xzalloc (sizeof *r);
+ r->n_sheets = -1;
+ r->spreadsheet.file_name = strdup (filename);
+ struct spreadsheet *s = SPREADSHEET_CAST (r);
+ strcpy (s->type, "GNM");
+ s->destroy = gnumeric_destroy;
+ s->make_reader = gnumeric_make_reader;
+ s->get_sheet_name = gnumeric_get_sheet_name;
+ s->get_sheet_range = gnumeric_get_sheet_range;
+ s->get_sheet_n_sheets = gnumeric_get_sheet_n_sheets;
+ s->get_sheet_n_rows = gnumeric_get_sheet_n_rows;
+ s->get_sheet_n_columns = gnumeric_get_sheet_n_columns;
+ s->get_sheet_cell = gnumeric_get_sheet_cell;
+
+ sd = &r->msd;
+ hmap_init (&r->cache);
+ }
+ else
+ {
+ sd = &r->rsd;
+ }
+ sd->gz = gz;
+
+ r = (struct gnumeric_reader *) spreadsheet_ref (SPREADSHEET_CAST (r));
-#endif /* GNM_SUPPORT */
+ {
+ xtr = xmlReaderForIO ((xmlInputReadCallback) gzread,
+ (xmlInputCloseCallback) gzclose, gz,
+ NULL, NULL,
+ show_errors ? 0 : (XML_PARSE_NOERROR | XML_PARSE_NOWARNING));
+
+ if (xtr == NULL)
+ {
+ gzclose (gz);
+ free (r);
+ return NULL;
+ }
+
+ if (show_errors)
+ xmlTextReaderSetErrorHandler (xtr, gnumeric_error_handler, r);
+
+ sd->row = sd->col = -1;
+ sd->state = STATE_PRE_INIT;
+ sd->xtr = xtr;
+ }
+
+ r->target_sheet_name = NULL;
+ r->target_sheet_index = -1;
+
+
+ /* Advance to the start of the workbook.
+ This gives us some confidence that we are actually dealing with a gnumeric
+ spreadsheet.
+ */
+ while ((sd->state != STATE_INIT)
+ && 1 == (ret = xmlTextReaderRead (sd->xtr)))
+ {
+ process_node (r, sd);
+ }
+
+ if (ret != 1)
+ {
+ /* Does not seem to be a gnumeric file */
+ spreadsheet_unref (&r->spreadsheet);
+ return NULL;
+ }
+
+ if (show_errors)
+ {
+ const xmlChar *enc = xmlTextReaderConstEncoding (sd->xtr);
+ xmlCharEncoding xce = xmlParseCharEncoding (CHAR_CAST (const char *, enc));
+
+ if (XML_CHAR_ENCODING_UTF8 != xce)
+ {
+ /* I have been told that ALL gnumeric files are UTF8 encoded. If that is correct, this
+ can never happen. */
+ msg (MW, _("The gnumeric file `%s' is encoded as %s instead of the usual UTF-8 encoding. "
+ "Any non-ascii characters will be incorrectly imported."),
+ r->spreadsheet.file_name,
+ enc);
+ }
+ }
+
+ return r;
+}
+
+
+struct spreadsheet *
+gnumeric_probe (const char *filename, bool report_errors)
+{
+ struct gnumeric_reader *r = gnumeric_reopen (NULL, filename, report_errors);
+
+ return &r->spreadsheet;
+}
projects / pspp / blobdiff