render: Introduce render_pager to factor out code from drivers.

[pspp] / src / data / any-reader.h

diff --git a/src/data/any-reader.h b/src/data/any-reader.h
index 5ba72fc0a26a041123a62f4c2e187f7d072780e3..063a7e650ecee3f335fa9078c8035982f54f2ace 100644 (file)
--- a/src/data/any-reader.h
+++ b/src/data/any-reader.h
@@ -1,34 +1,37 @@
-/* PSPP - computes sample statistics.
-   Copyright (C) 2006 Free Software Foundation, Inc.
-   Written by Ben Pfaff <blp@gnu.org>.
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2006, 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 2 of the
-   License, or (at your option) any later version.
+   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.
+   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, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301, USA. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 #ifndef ANY_READER_H
 #define ANY_READER_H 1
 
 #include <stdbool.h>
 
+/* Result of type detection. */
+enum detect_result
+  {
+    ANY_YES,                        /* It is this type. */
+    ANY_NO,                         /* It is not this type. */
+    ANY_ERROR                    /* File couldn't be opened. */
+  };
+
+
 struct file_handle;
 struct dictionary;
-struct ccase;
-struct any_reader *any_reader_open (struct file_handle *,
+enum detect_result any_reader_may_open (const char *file_name);
+struct casereader *any_reader_open (struct file_handle *, const char *encoding,
                                     struct dictionary **);
-bool any_reader_read (struct any_reader *, struct ccase *);
-bool any_reader_error (struct any_reader *);
-void any_reader_close (struct any_reader *);
 
 #endif /* any-reader.h */