/*
PSPPIRE --- A Graphical User Interface for PSPP
Copyright (C) 2006 Free Software Foundation
- Written by John Darrington
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
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
-
+#include <config.h>
#include <string.h>
#include <stdlib.h>
#include <gtksheet/gtkextra-marshal.h>
#include <data/case.h>
+#include <ui/flexifile.h>
#include <data/casefile.h>
#include <data/data-in.h>
+#include <math/sort.h>
+#include <libpspp/misc.h>
/* --- prototypes --- */
static void psppire_case_file_class_init (PsppireCaseFileClass *class);
{
PsppireCaseFile *cf = PSPPIRE_CASE_FILE (object);
- if ( cf->casefile)
- casefile_destroy(cf->casefile);
+ if ( cf->flexifile)
+ casefile_destroy(cf->flexifile);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
psppire_case_file_init (PsppireCaseFile *cf)
{
- cf->casefile = 0;
+ cf->flexifile = 0;
}
/**
* Creates a new #PsppireCaseFile.
*/
PsppireCaseFile*
-psppire_case_file_new (gint var_cnt)
+psppire_case_file_new (gint val_cnt)
{
PsppireCaseFile *cf = g_object_new (G_TYPE_PSPPIRE_CASE_FILE, NULL);
- cf->casefile = casefile_create(var_cnt);
+ cf->flexifile = flexifile_create (val_cnt);
return cf;
}
+gboolean
+psppire_case_file_delete_cases(PsppireCaseFile *cf, gint n_cases, gint first)
+{
+ int result;
+
+ g_return_val_if_fail(cf, FALSE);
+ g_return_val_if_fail(cf->flexifile, FALSE);
+
+ result = flexifile_delete_cases(FLEXIFILE(cf->flexifile), n_cases, first);
+
+ g_signal_emit(cf, signal[CASES_DELETED], 0, n_cases, first);
+
+ return result;
+}
+
+/* Insert case CC into the case file before POSN */
+gboolean
+psppire_case_file_insert_case(PsppireCaseFile *cf,
+ struct ccase *cc,
+ gint posn)
+{
+ bool result ;
+
+ g_return_val_if_fail(cf, FALSE);
+ g_return_val_if_fail(cf->flexifile, FALSE);
+
+ result = flexifile_insert_case(FLEXIFILE(cf->flexifile), cc, posn);
+
+ if ( result )
+ g_signal_emit(cf, signal[CASE_INSERTED], 0, posn);
+ else
+ g_warning("Cannot insert case at position %d\n", posn);
+
+ return result;
+}
+
/* Append a case to the case file */
gboolean
gint posn ;
g_return_val_if_fail(cf, FALSE);
- g_return_val_if_fail(cf->casefile, FALSE);
+ g_return_val_if_fail(cf->flexifile, FALSE);
- posn = casefile_get_case_cnt(cf->casefile);
+ posn = casefile_get_case_cnt(cf->flexifile);
- result = casefile_append(cf->casefile, c);
+ result = casefile_append(cf->flexifile, c);
g_signal_emit(cf, signal[CASE_INSERTED], 0, posn);
{
g_return_val_if_fail(cf, FALSE);
- if ( ! cf->casefile)
+ if ( ! cf->flexifile)
return 0;
- return casefile_get_case_cnt(cf->casefile);
+ return casefile_get_case_cnt(cf->flexifile);
}
/* Return the IDXth value from case CASENUM.
{
const union value *v;
struct ccase c;
- struct casereader *reader = casefile_get_random_reader (cf->casefile);
- casereader_seek(reader, casenum);
+ g_return_val_if_fail(cf, NULL);
+ g_return_val_if_fail(cf->flexifile, NULL);
+
+ g_return_val_if_fail(idx < casefile_get_value_cnt(cf->flexifile), NULL);
- casereader_read(reader, &c);
+ flexifile_get_case(FLEXIFILE(cf->flexifile), casenum, &c);
+
+ v = case_data_idx(&c, idx);
- v = case_data(&c, idx);
- casereader_destroy(reader);
case_destroy(&c);
return v;
void
psppire_case_file_clear(PsppireCaseFile *cf)
{
- casefile_destroy(cf->casefile);
- cf->casefile = 0;
+ casefile_destroy(cf->flexifile);
+ cf->flexifile = 0;
g_signal_emit(cf, signal[CASES_DELETED], 0, 0, -1);
}
-/* Set the IDXth value of case C using FF and DATA */
+/* Set the IDXth value of case C to SYSMIS/EMPTY */
gboolean
psppire_case_file_set_value(PsppireCaseFile *cf, gint casenum, gint idx,
- struct data_in *d_in)
+ union value *v, gint width)
{
struct ccase cc ;
+ int bytes;
+
+ g_return_val_if_fail(cf, FALSE);
+ g_return_val_if_fail(cf->flexifile, FALSE);
+
+ g_return_val_if_fail(idx < casefile_get_value_cnt(cf->flexifile), FALSE);
- struct casereader *reader = casefile_get_random_reader (cf->casefile);
+ if ( ! flexifile_get_case(FLEXIFILE(cf->flexifile), casenum, &cc) )
+ return FALSE;
- casereader_seek(reader, casenum);
- casereader_read(reader, &cc);
+ if ( width == 0 )
+ bytes = MAX_SHORT_STRING;
+ else
+ bytes = DIV_RND_UP(width, MAX_SHORT_STRING) * MAX_SHORT_STRING ;
/* Cast away const in flagrant abuse of the casefile */
- d_in->v = (union value *) case_data(&cc, idx);
+ memcpy((union value *)case_data_idx(&cc, idx), v, bytes);
- if ( ! data_in(d_in) )
- g_warning("Cant set value\n");
+ g_signal_emit(cf, signal[CASE_CHANGED], 0, casenum);
+
+ return TRUE;
+}
+
+
+
+/* Set the IDXth value of case C using D_IN */
+gboolean
+psppire_case_file_data_in(PsppireCaseFile *cf, gint casenum, gint idx,
+ struct substring input, const struct fmt_spec *fmt)
+{
+ struct ccase cc ;
+
+ g_return_val_if_fail(cf, FALSE);
+ g_return_val_if_fail(cf->flexifile, FALSE);
- case_destroy(&cc);
- casereader_destroy(reader);
+ g_return_val_if_fail(idx < casefile_get_value_cnt(cf->flexifile), FALSE);
+
+ if ( ! flexifile_get_case(FLEXIFILE(cf->flexifile), casenum, &cc) )
+ return FALSE;
+
+ /* Cast away const in flagrant abuse of the casefile */
+ if (!data_in (input, fmt->type, 0, 0,
+ (union value *) case_data_idx(&cc, idx), fmt_var_width (fmt)))
+ g_warning("Cant set value\n");
g_signal_emit(cf, signal[CASE_CHANGED], 0, casenum);
return TRUE;
}
+
+
+void
+psppire_case_file_sort(PsppireCaseFile *cf, const struct sort_criteria *sc)
+{
+ struct ccase cc;
+ gint c;
+ struct casefile *cfile;
+ struct casereader *reader = casefile_get_reader (cf->flexifile, NULL);
+ const int value_cnt = casefile_get_value_cnt(cf->flexifile);
+
+ cfile = sort_execute(reader, sc);
+
+ casefile_destroy(cf->flexifile);
+
+ /* Copy casefile into flexifile */
+
+ reader = casefile_get_destructive_reader(cfile);
+ cf->flexifile = flexifile_create(value_cnt);
+ while(casereader_read(reader, &cc))
+ casefile_append(cf->flexifile, &cc);
+
+
+ /* FIXME: Need to have a signal to change a range of cases, instead of
+ calling a signal many times */
+ for ( c = 0 ; c < casefile_get_case_cnt(cf->flexifile) ; ++c )
+ g_signal_emit(cf, signal[CASE_CHANGED], 0, c);
+}
+
+
+/* Resize the cases in the casefile, by inserting N_VALUES into every
+ one of them. */
+gboolean
+psppire_case_file_insert_values (PsppireCaseFile *cf,
+ gint n_values, gint before)
+{
+ g_return_val_if_fail(cf, FALSE);
+
+ if ( ! cf->flexifile )
+ {
+ cf->flexifile = flexifile_create(n_values);
+ return TRUE;
+ }
+
+ return flexifile_resize (FLEXIFILE(cf->flexifile), n_values, before);
+}
+
+/* Fills C with the CASENUMth case.
+ Returns true on success, false otherwise.
+ */
+gboolean
+psppire_case_file_get_case (const PsppireCaseFile *cf, gint casenum,
+ struct ccase *c)
+{
+ g_return_val_if_fail (cf, FALSE);
+ g_return_val_if_fail (cf->flexifile, FALSE);
+
+ return flexifile_get_case (FLEXIFILE(cf->flexifile), casenum, c);
+}
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