X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fdata-io%2Fsession.c;fp=src%2Flanguage%2Fdata-io%2Fsession.c;h=86b26714757f771d451c19d6c9d7575c1ab8210f;hb=52c54183e360053b1845e46cb96cd44a0cf96040;hp=0000000000000000000000000000000000000000;hpb=2ca3267c1110bbff675c560b19d02defb96ee2f9;p=pspp
diff --git a/src/language/data-io/session.c b/src/language/data-io/session.c
new file mode 100644
index 0000000000..86b2671475
--- /dev/null
+++ b/src/language/data-io/session.c
@@ -0,0 +1,79 @@
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 2010, 2012 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
+
+#include
+
+#include "data/case.h"
+#include "data/dataset.h"
+#include "data/dictionary.h"
+#include "language/command.h"
+#include "language/data-io/file-handle.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/pxd.h"
+
+#include "gl/xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+int
+cmd_save_session (struct lexer *lexer, struct dataset *ds)
+{
+ struct file_handle *handle;
+ struct pxd_object *obj;
+ struct pxd_id root;
+ struct pxd *pxd;
+
+ if (!lex_force_match_id (lexer, "OUTFILE"))
+ return CMD_FAILURE;
+ lex_match (lexer, '=');
+
+ handle = fh_parse (lexer, FH_REF_FILE, dataset_session (ds));
+ if (handle == NULL)
+ return CMD_FAILURE;
+
+ pxd = pxd_open (fh_get_file_name (handle), true);
+ obj = dict_save (dataset_dict (ds), pxd);
+ pxd_get_root (pxd, &root);
+ pxd_swap_root (pxd, &root, obj);
+ pxd_close (pxd);
+
+ return CMD_SUCCESS;
+}
+
+int
+cmd_get_session (struct lexer *lexer, struct dataset *ds)
+{
+ struct file_handle *handle;
+ struct pxd_object *obj;
+ struct pxd_id root;
+ struct pxd *pxd;
+
+ if (lex_match_id (lexer, "FILE"))
+ lex_match (lexer, '=');
+
+ handle = fh_parse (lexer, FH_REF_FILE, dataset_session (ds));
+ if (handle == NULL)
+ return CMD_FAILURE;
+
+ pxd = pxd_open (fh_get_file_name (handle), false);
+ pxd_get_root (pxd, &root);
+ obj = pxd_fetch (pxd, &root);
+ dict_destroy (dict_load (obj, pxd));
+ pxd_close (pxd);
+
+ return CMD_SUCCESS;
+}