/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 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 <config.h>
-#include <language/data-io/inpt-pgm.h>
#include <float.h>
#include <stdlib.h>
#include <language/command.h>
#include <language/data-io/data-reader.h>
#include <language/data-io/file-handle.h>
+#include <language/data-io/inpt-pgm.h>
#include <language/expressions/public.h>
#include <language/lexer/lexer.h>
#include <libpspp/assertion.h>
#include <libpspp/compiler.h>
#include <libpspp/message.h>
-#include <libpspp/message.h>
#include <libpspp/misc.h>
#include <libpspp/str.h>
casenumber case_nr; /* Incremented by END CASE transformation. */
struct caseinit *init;
- size_t value_cnt;
+ struct caseproto *proto;
};
static void destroy_input_program (struct input_program_pgm *);
inp = xmalloc (sizeof *inp);
inp->trns_chain = NULL;
inp->init = NULL;
+ inp->proto = NULL;
inside_input_program = true;
for (;;)
/* Figure out how to initialize each input case. */
inp->init = caseinit_create ();
caseinit_mark_for_init (inp->init, dataset_dict (ds));
- inp->value_cnt = dict_get_next_value_idx (dataset_dict (ds));
+ inp->proto = caseproto_ref (dict_get_proto (dataset_dict (ds)));
proc_set_active_file_data (
- ds, casereader_create_sequential (NULL, inp->value_cnt, CASENUMBER_MAX,
+ ds, casereader_create_sequential (NULL, inp->proto, CASENUMBER_MAX,
&input_program_casereader_class, inp));
return CMD_SUCCESS;
|| state >= 0);
}
-/* Reads one case into C.
- Returns true if successful, false at end of file or if an
+/* Reads and returns one case.
+ Returns the case if successful, null at end of file or if an
I/O error occurred. */
-static bool
-input_program_casereader_read (struct casereader *reader UNUSED, void *inp_,
- struct ccase *c)
+static struct ccase *
+input_program_casereader_read (struct casereader *reader UNUSED, void *inp_)
{
struct input_program_pgm *inp = inp_;
-
- case_create (c, inp->value_cnt);
+ struct ccase *c = case_create (inp->proto);
do
{
assert (is_valid_state (inp->restart));
if (inp->restart == TRNS_ERROR || inp->restart == TRNS_END_FILE)
{
- case_destroy (c);
- return false;
+ case_unref (c);
+ return NULL;
}
+ c = case_unshare (c);
caseinit_init_vars (inp->init, c);
inp->restart = trns_chain_execute (inp->trns_chain, inp->restart,
- c, inp->case_nr);
+ &c, inp->case_nr);
assert (is_valid_state (inp->restart));
caseinit_update_left_vars (inp->init, c);
}
while (inp->restart < 0);
- return true;
+ return c;
}
static void
{
trns_chain_destroy (pgm->trns_chain);
caseinit_destroy (pgm->init);
+ caseproto_unref (pgm->proto);
free (pgm);
}
}
/* Outputs the current case */
int
-end_case_trns_proc (void *inp_, struct ccase *c UNUSED,
+end_case_trns_proc (void *inp_, struct ccase **c UNUSED,
casenumber case_nr UNUSED)
{
struct input_program_pgm *inp = inp_;
if (e)
{
- msg (SE, _("COLUMN subcommand multiply specified."));
+ msg (SE, _("%s subcommand may be given at most once."), "COLUMN");
expr_free (e);
return CMD_CASCADING_FAILURE;
}
/* Executes a REREAD transformation. */
static int
-reread_trns_proc (void *t_, struct ccase *c, casenumber case_num)
+reread_trns_proc (void *t_, struct ccase **c, casenumber case_num)
{
struct reread_trns *t = t_;
dfm_reread_record (t->reader, 1);
else
{
- double column = expr_evaluate_num (t->column, c, case_num);
+ double column = expr_evaluate_num (t->column, *c, case_num);
if (!isfinite (column) || column < 1)
{
msg (SE, _("REREAD: Column numbers must be positive finite "
/* Executes an END FILE transformation. */
static int
-end_file_trns_proc (void *trns_ UNUSED, struct ccase *c UNUSED,
+end_file_trns_proc (void *trns_ UNUSED, struct ccase **c UNUSED,
casenumber case_num UNUSED)
{
return TRNS_END_FILE;