X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fspreadsheet-reader.h;h=c03cf71642135f0ef12331e247a4fe44d58fb9a7;hb=5e180775fa5a79e6f14b2798bd4a3d4ea9f51939;hp=6edd705067a27adc7c7cf2b8cda1bffa4760cd93;hpb=2f7b367bf796c63c595ac837b716cce535ffd5bf;p=pspp

diff --git a/src/data/spreadsheet-reader.h b/src/data/spreadsheet-reader.h
index 6edd705067..c03cf71642 100644
--- a/src/data/spreadsheet-reader.h
+++ b/src/data/spreadsheet-reader.h
@@ -19,29 +19,76 @@
 
 #include <stdbool.h>
 
+struct casereeader;
+
 /* Default width of string variables. */
 #define SPREADSHEET_DEFAULT_WIDTH 8
 
-struct spreadsheet_read_info
+/* These elements are read/write.
+   They may be passed in NULL (for pointers) or negative for integers, in which
+   case they will be filled in be the function.
+*/
+struct spreadsheet_read_options
 {
-  char *sheet_name ;            /* In UTF-8. */
-  char *file_name ;             /* In filename encoding. */
-  char *cell_range ;            /* In UTF-8. */
-  int sheet_index ;
-  bool read_names ;
-  int asw ;
+  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) */
+  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 pseudo_base26 (const char *str);
+int ps26_to_int (const char *str);
+char * int_to_ps26 (int);
 
 bool convert_cell_ref (const char *ref,
 		       int *col0, int *row0,
 		       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) ((X) ? atoi (CHAR_CAST (const char *, (X))) : -1)
+
+enum spreadsheet_type
+  {
+    SPREADSHEET_NONE,
+    SPREADSHEET_GNUMERIC,
+    SPREADSHEET_ODS
+  };
+
+
+struct spreadsheet
+{
+  char *file_name;
+
+  enum spreadsheet_type type;
+
+  /* The total number of sheets in the "workbook" */
+  int n_sheets;
+
+  /* The dictionary */
+  struct dictionary *dict;
+
+  int ref_cnt;
+};
+
+
+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 *);
+
+
+
 
-#define _xmlchar_to_int(X) (atoi(CHAR_CAST (const char *, X)))
 
+#define SPREADSHEET_CAST(X) ((struct spreadsheet *)(X))
 
 #endif