/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2006, 2008 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2006, 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 published by
#include <stdlib.h>
#include <data/any-writer.h>
-#include <data/case-ordering.h>
#include <data/case.h>
#include <data/casegrouper.h>
#include <data/casereader.h>
#include <data/format.h>
#include <data/procedure.h>
#include <data/settings.h>
+#include <data/subcase.h>
#include <data/sys-file-writer.h>
#include <data/variable.h>
#include <language/command.h>
struct agr_proc
{
/* Break variables. */
- struct case_ordering *sort; /* Sort criteria (break variable). */
+ struct subcase sort; /* Sort criteria (break variables). */
const struct variable **break_vars; /* Break variables. */
size_t break_var_cnt; /* Number of break variables. */
- struct ccase break_case; /* Last values of break variables. */
+ struct ccase *break_case; /* Last values of break variables. */
enum missing_treatment missing; /* How to treat missing values. */
struct agr_var *agr_vars; /* First aggregate variable. */
memset(&agr, 0 , sizeof (agr));
agr.missing = ITEMWISE;
- case_nullify (&agr.break_case);
+ agr.break_case = NULL;
agr.dict = dict_create ();
agr.src_dict = dict;
+ subcase_init_empty (&agr.sort);
dict_set_label (agr.dict, dict_get_label (dict));
dict_set_documents (agr.dict, dict_get_documents (dict));
int i;
lex_match (lexer, '=');
- agr.sort = parse_case_ordering (lexer, dict,
-
- &saw_direction);
- if (agr.sort == NULL)
+ if (!parse_sort_criteria (lexer, dict, &agr.sort, &agr.break_vars,
+ &saw_direction))
goto error;
- case_ordering_get_vars (agr.sort,
- &agr.break_vars, &agr.break_var_cnt);
+ agr.break_var_cnt = subcase_get_n_fields (&agr.sort);
for (i = 0; i < agr.break_var_cnt; i++)
dict_clone_var_assert (agr.dict, agr.break_vars[i],
}
input = proc_open (ds);
- if (agr.sort != NULL && !presorted)
+ if (!subcase_is_empty (&agr.sort) && !presorted)
{
- input = sort_execute (input, agr.sort);
- agr.sort = NULL;
+ input = sort_execute (input, &agr.sort);
+ subcase_clear (&agr.sort);
}
for (grouper = casegrouper_create_vars (input, agr.break_vars,
casegrouper_get_next_group (grouper, &group);
casereader_destroy (group))
{
- struct ccase c;
-
- if (!casereader_peek (group, 0, &c))
+ struct ccase *c = casereader_peek (group, 0);
+ if (c == NULL)
{
casereader_destroy (group);
continue;
}
- initialize_aggregate_info (&agr, &c);
- case_destroy (&c);
+ initialize_aggregate_info (&agr, c);
+ case_unref (c);
- for (; casereader_read (group, &c); case_destroy (&c))
- accumulate_aggregate_info (&agr, &c);
+ for (; (c = casereader_read (group)) != NULL; case_unref (c))
+ accumulate_aggregate_info (&agr, c);
dump_aggregate_info (&agr, output);
}
if (!casegrouper_destroy (grouper))
{
struct agr_var *iter, *next;
- case_ordering_destroy (agr->sort);
+ subcase_destroy (&agr->sort);
free (agr->break_vars);
- case_destroy (&agr->break_case);
+ case_unref (agr->break_case);
for (iter = agr->agr_vars; iter; iter = next)
{
next = iter->next;
case MEDIAN:
{
double wv ;
- struct ccase cout;
- case_create (&cout, 2);
+ struct ccase *cout = case_create (2);
- case_data_rw (&cout, iter->subject)->f =
- case_data (input, iter->src)->f;
+ case_data_rw (cout, iter->subject)->f
+ = case_data (input, iter->src)->f;
wv = dict_get_case_weight (agr->src_dict, input, NULL);
- case_data_rw (&cout, iter->weight)->f = wv;
+ case_data_rw (cout, iter->weight)->f = wv;
iter->cc += wv;
- casewriter_write (iter->writer, &cout);
- case_destroy (&cout);
+ casewriter_write (iter->writer, cout);
}
break;
case SD:
static void
dump_aggregate_info (struct agr_proc *agr, struct casewriter *output)
{
- struct ccase c;
-
- case_create (&c, dict_get_next_value_idx (agr->dict));
+ struct ccase *c = case_create (dict_get_next_value_idx (agr->dict));
{
int value_idx = 0;
{
const struct variable *v = agr->break_vars[i];
size_t value_cnt = var_get_value_cnt (v);
- memcpy (case_data_rw_idx (&c, value_idx),
- case_data (&agr->break_case, v),
+ memcpy (case_data_rw_idx (c, value_idx),
+ case_data (agr->break_case, v),
sizeof (union value) * value_cnt);
value_idx += value_cnt;
}
for (i = agr->agr_vars; i; i = i->next)
{
- union value *v = case_data_rw (&c, i->dest);
+ union value *v = case_data_rw (c, i->dest);
if (agr->missing == COLUMNWISE && i->saw_missing
}
}
- casewriter_write (output, &c);
+ casewriter_write (output, c);
}
/* Resets the state for all the aggregate functions. */
{
struct agr_var *iter;
- case_destroy (&agr->break_case);
- case_clone (&agr->break_case, input);
+ case_unref (agr->break_case);
+ agr->break_case = case_ref (input);
for (iter = agr->agr_vars; iter; iter = iter->next)
{
break;
case MEDIAN:
{
- struct case_ordering *ordering = case_ordering_create ();
+ struct subcase ordering;
if ( ! iter->subject)
iter->subject = var_create_internal (0);
if ( ! iter->weight)
iter->weight = var_create_internal (1);
- case_ordering_add_var (ordering, iter->subject, SRT_ASCEND);
+ subcase_init_var (&ordering, iter->subject, SC_ASCEND);
+ iter->writer = sort_create_writer (&ordering, 2);
+ subcase_destroy (&ordering);
- iter->writer = sort_create_writer (ordering, 2);
iter->cc = 0;
}
break;
projects / pspp-builds.git / blobdiff