X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fdata%2Fcasereader.h;h=8f80c30ca0799033499b0f71a9716065fb9f0908;hb=687c1acdbeecd7d0d7fdc4143d444e8b1563b532;hp=c26657cf5d49a62d7870d0337117c2bfaf8a99d2;hpb=871dbf77ccabc6963c27006dc3d9aae3f949883d;p=pspp

diff --git a/src/data/casereader.h b/src/data/casereader.h
index c26657cf5d..8f80c30ca0 100644
--- a/src/data/casereader.h
+++ b/src/data/casereader.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2011 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
@@ -51,13 +51,14 @@
 #ifndef DATA_CASEREADER_H
 #define DATA_CASEREADER_H 1
 
-#include <libpspp/compiler.h>
-#include <data/case.h>
-#include <data/missing-values.h>
+#include "libpspp/compiler.h"
+#include "data/case.h"
+#include "data/missing-values.h"
 
 struct dictionary;
 struct casereader;
 struct casewriter;
+struct subcase;
 
 struct ccase *casereader_read (struct casereader *);
 bool casereader_destroy (struct casereader *);
@@ -76,7 +77,7 @@ void casereader_force_error (struct casereader *);
 const struct taint *casereader_get_taint (const struct casereader *);
 
 casenumber casereader_get_case_cnt (struct casereader *);
-casenumber casereader_count_cases (struct casereader *);
+casenumber casereader_count_cases (const struct casereader *);
 void casereader_truncate (struct casereader *, casenumber);
 const struct caseproto *casereader_get_proto (const struct casereader *);
 
@@ -99,7 +100,7 @@ casereader_create_filter_weight (struct casereader *,
                                  struct casewriter *exclude);
 struct casereader *
 casereader_create_filter_missing (struct casereader *,
-                                  const struct variable **vars, size_t var_cnt,
+                                  const struct variable *const*vars, size_t var_cnt,
                                   enum mv_class,
 				  casenumber *n_missing,
                                   struct casewriter *exclude);
@@ -125,6 +126,13 @@ casereader_translate_stateless (struct casereader *,
                                 bool (*destroy) (void *aux),
                                 void *aux);
 
+struct casereader *casereader_project (struct casereader *,
+                                       const struct subcase *);
+struct casereader *casereader_project_1 (struct casereader *, int column);
+struct casereader *casereader_select (struct casereader *,
+                                      casenumber first, casenumber last,
+                                      casenumber by);
+
 /* A function which creates a numberic value from an existing case */
 typedef double new_value_func (const struct ccase *, casenumber, void *);