src/data/session.h

   1 /* PSPP - a program for statistical analysis.
   2    Copyright (C) 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
  16
  17 #ifndef SESSION_H
  18 #define SESSION_H 1
  19
  20 #include <stddef.h>
  21
  22 struct dataset;
  23
  24 struct session *session_create (struct session *parent);
  25 void session_destroy (struct session *);
  26
  27 struct dataset *session_active_dataset (struct session *);
  28 void session_set_active_dataset (struct session *, struct dataset *);
  29
  30 void session_add_dataset (struct session *, struct dataset *);
  31 void session_remove_dataset (struct session *, struct dataset *);
  32 struct dataset *session_lookup_dataset (const struct session *, const char *);
  33 struct dataset *session_lookup_dataset_assert (const struct session *,
  34                                                const char *);
  35
  36 void session_set_default_syntax_encoding (struct session *, const char *);
  37 const char *session_get_default_syntax_encoding (const struct session *);
  38
  39 size_t session_n_datasets (const struct session *);
  40 void session_for_each_dataset (const struct session *,
  41                                void (*cb) (struct dataset *, void *aux),
  42                                void *aux);
  43
  44 struct dataset *session_get_dataset_by_seqno (const struct session *,
  45                                               unsigned int seqno);
  46
  47 char *session_generate_dataset_name (struct session *);
  48
  49 #endif /* session.h */