#include <stdbool.h>
+struct casereeader;
+
/* Default width of string variables. */
#define SPREADSHEET_DEFAULT_WIDTH 8
char *sheet_name ; /* The name of the sheet to open (in UTF-8) */
int sheet_index ; /* The index of the sheet to open (only used if sheet_name is NULL) */
char *cell_range ; /* The cell range (in UTF-8) */
-};
-
-
-struct spreadsheet_read_info
-{
bool read_names ; /* True if the first row is to be used as the names of the variables */
int asw ; /* The width of string variables in the created dictionary */
};
int *coli, int *rowi);
-#define _xml(X) (CHAR_CAST (const xmlChar *, X))
+#define _xml(X) (CHAR_CAST (const xmlChar *, (X)))
-#define _xmlchar_to_int(X) (atoi(CHAR_CAST (const char *, X)))
+#define _xmlchar_to_int(X) ((X) ? atoi (CHAR_CAST (const char *, (X))) : -1)
enum spreadsheet_type
{
SPREADSHEET_ODS
};
+
struct spreadsheet
{
char *file_name;
/* The dictionary */
struct dictionary *dict;
+
+ int ref_cnt;
};
-char *create_cell_ref (int col0, int row0, int coli, int rowi);
+struct casereader * spreadsheet_make_reader (struct spreadsheet *, const struct spreadsheet_read_options *);
+
+const char * spreadsheet_get_sheet_name (struct spreadsheet *s, int n);
+char * spreadsheet_get_sheet_range (struct spreadsheet *s, int n);
+
+
+char * create_cell_ref (int col0, int row0);
+char *create_cell_range (int col0, int row0, int coli, int rowi);
+
+void spreadsheet_unref (struct spreadsheet *);
+void spreadsheet_ref (struct spreadsheet *);
+
-/*
- Attempt to open the file called FILENAME as a spreadsheet.
- It is not known a priori, what type of spreadsheet FILENAME is, or
- even if it is a spreadsheet at all.
- If it fails to open, then it will return NULL without any error or
- warning messages.
- */
-struct spreadsheet * spreadsheet_open (const char *filename);
-void spreadsheet_close (struct spreadsheet *);
-struct casereeader;
-struct casereader * spreadsheet_make_reader (struct spreadsheet *s);
#define SPREADSHEET_CAST(X) ((struct spreadsheet *)(X))