-/*
- PSPPIRE --- A Graphical User Interface for PSPP
- Copyright (C) 2006 Free Software Foundation
+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2006 Free Software Foundation
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
+ 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <string.h>
#include <stdlib.h>
-#include "psppire-object.h"
#include "psppire-case-file.h"
#include <gtksheet/gtkextra-marshal.h>
+#include <data/format.h>
#include <data/case.h>
-#include <ui/flexifile.h>
-#include "flexifile-factory.h"
-#include <data/casefile.h>
#include <data/data-in.h>
+#include <data/datasheet.h>
+#include <data/casereader.h>
#include <math/sort.h>
#include <libpspp/misc.h>
+#include "xalloc.h"
+#include "xmalloca.h"
+
/* --- prototypes --- */
static void psppire_case_file_class_init (PsppireCaseFileClass *class);
static void psppire_case_file_init (PsppireCaseFile *case_file);
CASES_DELETED,
n_SIGNALS};
-static guint signal[n_SIGNALS];
+static guint signals [n_SIGNALS];
/* --- functions --- */
(GInstanceInitFunc) psppire_case_file_init,
};
- object_type = g_type_register_static (G_TYPE_PSPPIRE_OBJECT, "PsppireCaseFile",
+ object_type = g_type_register_static (G_TYPE_OBJECT, "PsppireCaseFile",
&object_info, 0);
}
return object_type;
}
+/* Properties */
+enum
+{
+ PROP_0,
+ PROP_DATASHEET,
+ PROP_READER
+};
+
+
+
+
+static void
+psppire_case_file_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+
+{
+ PsppireCaseFile *cf = PSPPIRE_CASE_FILE (object);
+
+ switch (prop_id)
+ {
+ case PROP_READER:
+ cf->datasheet = datasheet_create (g_value_get_pointer (value));
+ cf->accessible = TRUE;
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ };
+}
+
+static void
+psppire_case_file_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ PsppireCaseFile *cf = PSPPIRE_CASE_FILE (object);
+
+ switch (prop_id)
+ {
+ case PROP_DATASHEET:
+ g_value_set_pointer (value, cf->datasheet);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ };
+}
+
static void
psppire_case_file_class_init (PsppireCaseFileClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
+ GParamSpec *datasheet_spec ;
+ GParamSpec *reader_spec ;
parent_class = g_type_class_peek_parent (class);
object_class->finalize = psppire_case_file_finalize;
- signal[CASE_CHANGED] =
- g_signal_new ("case_changed",
- G_TYPE_FROM_CLASS(class),
+ datasheet_spec =
+ g_param_spec_pointer ("datasheet",
+ "Datasheet",
+ "A pointer to the datasheet belonging to this object",
+ G_PARAM_READABLE );
+ reader_spec =
+ g_param_spec_pointer ("casereader",
+ "CaseReader",
+ "A pointer to the case reader from which this object is constructed",
+ G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE );
+
+ object_class->set_property = psppire_case_file_set_property;
+ object_class->get_property = psppire_case_file_get_property;
+
+ g_object_class_install_property (object_class,
+ PROP_DATASHEET,
+ datasheet_spec);
+
+ g_object_class_install_property (object_class,
+ PROP_READER,
+ reader_spec);
+
+ signals [CASE_CHANGED] =
+ g_signal_new ("case-changed",
+ G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
G_TYPE_INT);
- signal[CASE_INSERTED] =
- g_signal_new ("case_inserted",
- G_TYPE_FROM_CLASS(class),
+ signals [CASE_INSERTED] =
+ g_signal_new ("case-inserted",
+ G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
G_TYPE_INT);
- signal[CASES_DELETED] =
- g_signal_new ("cases_deleted",
- G_TYPE_FROM_CLASS(class),
+ signals [CASES_DELETED] =
+ g_signal_new ("cases-deleted",
+ G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
{
PsppireCaseFile *cf = PSPPIRE_CASE_FILE (object);
- if ( cf->flexifile)
- casefile_destroy (cf->flexifile);
+ if ( cf->accessible)
+ datasheet_destroy (cf->datasheet);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
psppire_case_file_init (PsppireCaseFile *cf)
{
- cf->flexifile = 0;
+ cf->datasheet = NULL;
+ cf->accessible = FALSE;
}
* Creates a new #PsppireCaseFile.
*/
PsppireCaseFile*
-psppire_case_file_new (gint val_cnt)
+psppire_case_file_new (struct casereader *reader)
{
- PsppireCaseFile *cf = g_object_new (G_TYPE_PSPPIRE_CASE_FILE, NULL);
-
- cf->flexifile = flexifile_create (val_cnt);
-
- return cf;
-}
-
-
-/**
- * psppire_case_file_new_from_flexifile:
- * @returns: a new #PsppireCaseFile object
- *
- * Creates a new #PsppireCaseFile from an existing flexifile
- */
-PsppireCaseFile*
-psppire_case_file_new_from_flexifile (struct flexifile *ff)
-{
- PsppireCaseFile *cf = g_object_new (G_TYPE_PSPPIRE_CASE_FILE, NULL);
-
- cf->flexifile = (struct casefile *) ff;
-
- return cf;
+ return g_object_new (G_TYPE_PSPPIRE_CASE_FILE,
+ "casereader", reader,
+ NULL);
}
gboolean
-psppire_case_file_delete_cases (PsppireCaseFile *cf, gint n_cases, gint first)
+psppire_case_file_delete_cases (PsppireCaseFile *cf, casenumber n_cases, casenumber first)
{
- int result;
-
g_return_val_if_fail (cf, FALSE);
- g_return_val_if_fail (cf->flexifile, FALSE);
+ g_return_val_if_fail (cf->datasheet, FALSE);
+ g_return_val_if_fail (cf->accessible, FALSE);
- result = flexifile_delete_cases (FLEXIFILE(cf->flexifile), n_cases, first);
+ g_return_val_if_fail (first + n_cases <=
+ psppire_case_file_get_case_count (cf), FALSE);
- g_signal_emit (cf, signal[CASES_DELETED], 0, n_cases, first);
+ datasheet_delete_rows (cf->datasheet, first, n_cases);
- return result;
+ g_signal_emit (cf, signals [CASES_DELETED], 0, first, n_cases);
+
+ return TRUE;
}
/* Insert case CC into the case file before POSN */
gboolean
psppire_case_file_insert_case (PsppireCaseFile *cf,
- struct ccase *cc,
- gint posn)
+ struct ccase *cc,
+ casenumber posn)
{
+ struct ccase tmp;
bool result ;
g_return_val_if_fail (cf, FALSE);
- g_return_val_if_fail (cf->flexifile, FALSE);
+ g_return_val_if_fail (cf->datasheet, FALSE);
+ g_return_val_if_fail (cf->accessible, FALSE);
- result = flexifile_insert_case (FLEXIFILE(cf->flexifile), cc, posn);
+ case_clone (&tmp, cc);
+ result = datasheet_insert_rows (cf->datasheet, posn, &tmp, 1);
if ( result )
- g_signal_emit (cf, signal[CASE_INSERTED], 0, posn);
+ g_signal_emit (cf, signals [CASE_INSERTED], 0, posn);
else
- g_warning ("Cannot insert case at position %d\n", posn);
+ g_warning ("Cannot insert case at position %ld\n", posn);
return result;
}
-/* Append a case to the case file */
-gboolean
-psppire_case_file_append_case (PsppireCaseFile *cf,
- struct ccase *c)
-{
- bool result ;
- gint posn ;
-
- g_return_val_if_fail (cf, FALSE);
- g_return_val_if_fail (cf->flexifile, FALSE);
-
- posn = casefile_get_case_cnt (cf->flexifile);
-
- result = casefile_append (cf->flexifile, c);
-
- g_signal_emit (cf, signal[CASE_INSERTED], 0, posn);
-
- return result;
-}
-
-
-inline gint
+casenumber
psppire_case_file_get_case_count (const PsppireCaseFile *cf)
{
g_return_val_if_fail (cf, FALSE);
+ g_return_val_if_fail (cf->accessible, FALSE);
- if ( ! cf->flexifile)
+ if ( ! cf->datasheet)
return 0;
- return casefile_get_case_cnt (cf->flexifile);
+ return datasheet_get_row_cnt (cf->datasheet);
}
-/* Return the IDXth value from case CASENUM.
- The return value must not be freed or written to
- */
-const union value *
-psppire_case_file_get_value (const PsppireCaseFile *cf, gint casenum, gint idx)
+/* Copies the IDXth value from case CASENUM into VALUE.
+ If VALUE is null, then memory is allocated is allocated with
+ malloc. Returns the value if successful, NULL on failure. */
+union value *
+psppire_case_file_get_value (const PsppireCaseFile *cf,
+ casenumber casenum, size_t idx,
+ union value *value, int width)
{
- const union value *v;
- struct ccase c;
-
- 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);
+ bool allocated;
- flexifile_get_case (FLEXIFILE(cf->flexifile), casenum, &c);
+ g_return_val_if_fail (cf, false);
+ g_return_val_if_fail (cf->datasheet, false);
- v = case_data_idx (&c, idx);
- case_destroy (&c);
+ g_return_val_if_fail (idx < datasheet_get_column_cnt (cf->datasheet), false);
- return v;
+ if (value == NULL)
+ {
+ value = xnmalloc (value_cnt_from_width (width), sizeof *value);
+ allocated = true;
+ }
+ else
+ allocated = false;
+ if (!datasheet_get_value (cf->datasheet, casenum, idx, value, width))
+ {
+ if (allocated)
+ free (value);
+ value = NULL;
+ }
+ return value;
}
void
psppire_case_file_clear (PsppireCaseFile *cf)
{
- casefile_destroy (cf->flexifile);
- cf->flexifile = 0;
- g_signal_emit (cf, signal[CASES_DELETED], 0, 0, -1);
+ datasheet_destroy (cf->datasheet);
+ cf->datasheet = NULL;
+ g_signal_emit (cf, signals [CASES_DELETED], 0, 0, -1);
}
-/* Set the IDXth value of case C to SYSMIS/EMPTY */
+/* Set the IDXth value of case C to V.
+ Returns true if successful, false on I/O error. */
gboolean
-psppire_case_file_set_value (PsppireCaseFile *cf, gint casenum, gint idx,
+psppire_case_file_set_value (PsppireCaseFile *cf, casenumber casenum, gint idx,
union value *v, gint width)
{
- struct ccase cc ;
- int bytes;
+ bool ok;
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);
-
- if ( ! flexifile_get_case (FLEXIFILE(cf->flexifile), casenum, &cc) )
- return FALSE;
-
- if ( width == 0 )
- bytes = MAX_SHORT_STRING;
- else
- bytes = DIV_RND_UP(width, MAX_SHORT_STRING) * MAX_SHORT_STRING ;
+ g_return_val_if_fail (cf->datasheet, FALSE);
- /* Cast away const in flagrant abuse of the casefile */
- memcpy ((union value *)case_data_idx (&cc, idx), v, bytes);
+ g_return_val_if_fail (idx < datasheet_get_column_cnt (cf->datasheet), FALSE);
- g_signal_emit (cf, signal[CASE_CHANGED], 0, casenum);
-
- return TRUE;
+ ok = datasheet_put_value (cf->datasheet, casenum, idx, v, width);
+ if (ok)
+ g_signal_emit (cf, signals [CASE_CHANGED], 0, casenum);
+ return ok;
}
/* Set the IDXth value of case C using D_IN */
gboolean
-psppire_case_file_data_in (PsppireCaseFile *cf, gint casenum, gint idx,
+psppire_case_file_data_in (PsppireCaseFile *cf, casenumber casenum, gint idx,
struct substring input, const struct fmt_spec *fmt)
{
- struct ccase cc ;
+ union value *value = NULL;
+ int width;
+ bool ok;
g_return_val_if_fail (cf, FALSE);
- g_return_val_if_fail (cf->flexifile, FALSE);
+ g_return_val_if_fail (cf->datasheet, FALSE);
- g_return_val_if_fail (idx < casefile_get_value_cnt (cf->flexifile), FALSE);
+ g_return_val_if_fail (idx < datasheet_get_column_cnt (cf->datasheet), FALSE);
- if ( ! flexifile_get_case (FLEXIFILE(cf->flexifile), casenum, &cc) )
- return FALSE;
+ width = fmt_var_width (fmt);
+ value = xmalloca (value_cnt_from_width (width) * sizeof *value);
+ ok = (datasheet_get_value (cf->datasheet, casenum, idx, value, width)
+ && data_in (input, LEGACY_NATIVE, fmt->type, 0, 0, 0, value, width)
+ && datasheet_put_value (cf->datasheet, casenum, idx, value, width));
- /* 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");
+ if (ok)
+ g_signal_emit (cf, signals [CASE_CHANGED], 0, casenum);
- g_signal_emit (cf, signal[CASE_CHANGED], 0, casenum);
+ freea (value);
return TRUE;
}
void
-psppire_case_file_sort (PsppireCaseFile *cf, const struct sort_criteria *sc)
+psppire_case_file_sort (PsppireCaseFile *cf, struct case_ordering *ordering)
{
+ struct casereader *sorted_data;
gint c;
- struct casereader *reader = casefile_get_reader (cf->flexifile, NULL);
- struct casefile *cfile;
-
- struct casefile_factory *factory = flexifile_factory_create ();
-
- cfile = sort_execute (reader, sc, factory);
-
- casefile_destroy (cf->flexifile);
-
- cf->flexifile = cfile;
+ sorted_data = sort_execute (datasheet_make_reader (cf->datasheet), ordering);
+ cf->datasheet = datasheet_create (sorted_data);
/* 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);
-
- flexifile_factory_destroy (factory);
+ for ( c = 0 ; c < datasheet_get_row_cnt (cf->datasheet) ; ++c )
+ g_signal_emit (cf, signals [CASE_CHANGED], 0, c);
}
/* Resize the cases in the casefile, by inserting N_VALUES into every
- one of them. */
+ one of them at the position immediately preceeding WHERE.
+*/
gboolean
psppire_case_file_insert_values (PsppireCaseFile *cf,
- gint n_values, gint before)
+ gint n_values, gint where)
{
g_return_val_if_fail (cf, FALSE);
+ g_return_val_if_fail (cf->accessible, FALSE);
- if ( ! cf->flexifile )
- {
- cf->flexifile = flexifile_create (n_values);
+ if ( n_values == 0 )
+ return FALSE;
- return TRUE;
- }
+ g_assert (n_values > 0);
- return flexifile_resize (FLEXIFILE(cf->flexifile), n_values, before);
+ if ( ! cf->datasheet )
+ cf->datasheet = datasheet_create (NULL);
+
+ {
+ union value *values = xcalloc (n_values, sizeof *values);
+ datasheet_insert_columns (cf->datasheet, values, n_values, where);
+ free (values);
+ }
+
+ return TRUE;
}
+
/* Fills C with the CASENUMth case.
Returns true on success, false otherwise.
*/
gboolean
-psppire_case_file_get_case (const PsppireCaseFile *cf, gint casenum,
+psppire_case_file_get_case (const PsppireCaseFile *cf, casenumber casenum,
struct ccase *c)
{
g_return_val_if_fail (cf, FALSE);
- g_return_val_if_fail (cf->flexifile, FALSE);
+ g_return_val_if_fail (cf->datasheet, FALSE);
+
+ return datasheet_get_row (cf->datasheet, casenum, c);
+}
+
+
- return flexifile_get_case (FLEXIFILE(cf->flexifile), casenum, c);
+struct casereader *
+psppire_case_file_make_reader (PsppireCaseFile *cf)
+{
+ struct casereader *r = datasheet_make_reader (cf->datasheet);
+ cf->accessible = FALSE;
+ return r;
}
+
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