+const char *
+spreadsheet_get_sheet_name (struct spreadsheet *s, int n)
+{
+ if (ODF_READING_SUPPORTED)
+ if ( s->type == SPREADSHEET_ODS)
+ return ods_get_sheet_name (s, n);
+
+ if (GNM_READING_SUPPORTED)
+ if ( s->type == SPREADSHEET_GNUMERIC)
+ return gnumeric_get_sheet_name (s, n);
+
+ return NULL;
+}
+
+
+char *
+spreadsheet_get_sheet_range (struct spreadsheet *s, int n)
+{
+ if (ODF_READING_SUPPORTED)
+ if ( s->type == SPREADSHEET_ODS)
+ return ods_get_sheet_range (s, n);
+
+ if (GNM_READING_SUPPORTED)
+ if ( s->type == SPREADSHEET_GNUMERIC)
+ return gnumeric_get_sheet_range (s, n);
+
+ return NULL;
+}
+
+
+#define RADIX 26
+
+static void
+reverse (char *s, int len)
+{
+ int i;
+ for (i = 0; i < len / 2; ++i)
+ {
+ char tmp = s[len - i - 1];
+ s[len - i -1] = s[i];
+ s[i] = tmp;
+ }
+}