/* PSPP - computes sample statistics.
- Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2008, 2009 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
#include <gl/xalloc.h>
#include <data/dictionary.h>
#include <data/case.h>
+#include <data/casereader.h>
#include <data/variable.h>
+#include <data/attributes.h>
#include <data/file-handle-def.h>
#include <data/sys-file-writer.h>
#include <data/sys-file-reader.h>
RETVAL = ret;
OUTPUT:
RETVAL
-
+
int
value_is_missing (val, var)
XSRETURN_IV (1);
+SV *
+get_attributes (var)
+ struct variable *var
+CODE:
+ HV *attrhash = (HV *) sv_2mortal ((SV *) newHV());
+
+ struct attrset *as = var_get_attributes (var);
+
+ if ( as )
+ {
+ struct attrset_iterator iter;
+ struct attribute *attr;
+
+ for (attr = attrset_first (as, &iter);
+ attr;
+ attr = attrset_next (as, &iter))
+ {
+ int i;
+ const char *name = attribute_get_name (attr);
+
+ AV *values = newAV ();
+
+ for (i = 0 ; i < attribute_get_n_values (attr); ++i )
+ {
+ const char *value = attribute_get_value (attr, i);
+ av_push (values, newSVpv (value, 0));
+ }
+
+ hv_store (attrhash, name, strlen (name),
+ newRV_noinc ((SV*) values), 0);
+ }
+ }
+
+ RETVAL = newRV ((SV *) attrhash);
+ OUTPUT:
+RETVAL
+
const char *
get_name (var)
RETVAL
-SV *
+void
get_next_case (sfr)
struct sysreader_info *sfr;
-CODE:
+PPCODE:
struct ccase *c;
- if (! (c = casereader_read (sfr->reader)))
- {
- RETVAL = 0;
- }
- else
+ if (c = casereader_read (sfr->reader))
{
int v;
- AV *av_case = (AV *) sv_2mortal ((SV *) newAV());
+ EXTEND (SP, dict_get_var_cnt (sfr->dict));
for (v = 0; v < dict_get_var_cnt (sfr->dict); ++v )
{
const struct variable *var = dict_get_var (sfr->dict, v);
const union value *val = case_data (c, var);
- av_push (av_case, value_to_scalar (val, var));
+ PUSHs (sv_2mortal (value_to_scalar (val, var)));
}
case_unref (c);
- RETVAL = newRV ((SV *) av_case);
}
-OUTPUT:
- RETVAL
-