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/*
* Copyright (C) 2008 - 2011 Murray Cumming <murrayc@murrayc.com>
* Copyright (C) 2008 - 2013 Vivien Malerba <malerba@gnome-db.org>
* Copyright (C) 2009 Bas Driessen <bas.driessen@xobas.com>
* Copyright (C) 2010 David King <davidk@openismus.com>
* Copyright (C) 2013 Daniel Espinosa <esodan@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <stdarg.h>
#include <string.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <glib/gi18n-lib.h>
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#include "gda-set.h"
#include "gda-marshal.h"
#include "gda-data-model.h"
#include "gda-data-model-import.h"
#include "gda-holder.h"
#include "gda-connection.h"
#include "gda-server-provider.h"
#include "gda-util.h"
#include <libgda/gda-custom-marshal.h>
#include <libgda/gda-types.h>
extern xmlDtdPtr gda_paramlist_dtd;
extern gchar *gda_lang_locale;
#ifdef GSEAL_ENABLE
/**
* GdaSetGroup:
* @nodes: (element-type Gda.SetNode): list of GdaSetNode, at least one entry
* @nodes_source: (allow-none): if NULL, then @nodes contains exactly one entry
*
* Since 5.2, you must consider this struct as opaque. Any access to its internal must use public API.
* Don't try to use #gda_set_group_free on a struct that was created manually.
*/
struct _GdaSetGroup {
GSList *nodes; /* list of GdaSetNode, at least one entry */
GdaSetSource *nodes_source; /* if NULL, then @nodes contains exactly one entry */
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
#else
#endif
/*
Register GdaSetGroup type
*/
GType
gda_set_group_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
if (type == 0)
type = g_boxed_type_register_static ("GdaSetGroup",
(GBoxedCopyFunc) gda_set_group_copy,
(GBoxedFreeFunc) gda_set_group_free);
}
return type;
}
/**
* gda_set_group_new:
* @node: a #GdaSetNode struct
*
* Creates a new #GdaSetGroup struct. If @source is %NULL then new group contains
* just one #GdaSetNode.
*
* Return: (transfer full): a new #GdaSetGroup struct.
*
* Since: 5.2
*/
GdaSetGroup*
gda_set_group_new (GdaSetNode *node)
{
GdaSetGroup *sg;
g_return_val_if_fail (node, NULL);
sg = g_new0 (GdaSetGroup, 1);
sg->nodes_source = NULL;
sg->nodes = NULL;
sg->nodes = g_slist_append (sg->nodes, node);
return sg;
}
/**
* gda_set_group_copy:
* @sg: a #GdaSetGroup
*
* Copy constructor.
*
* Returns: a new #GdaSetGroup
*
* Since: 5.2
*/
GdaSetGroup *
gda_set_group_copy (GdaSetGroup *sg)
{
g_return_val_if_fail (sg, NULL);
GdaSetGroup *n;
n = g_new0 (GdaSetGroup, 1);
n->nodes_source = sg->nodes_source;
n->nodes = g_slist_copy (sg->nodes);
return n;
}
/**
* gda_set_group_free:
* @sg: (allow-none): a #GdaSetGroup struct to free
*
* Frees any resources taken by @sg struct. If @sg is %NULL, then nothing happens.
*
* Since: 5.2
*/
void
gda_set_group_free (GdaSetGroup *sg)
{
g_return_if_fail(sg);
g_slist_free (sg->nodes);
g_free (sg);
}
/**
* gda_set_group_set_source:
* @sg: a #GdaSetGroup
* @source: a #GdaSetSource to set
*
* Since: 5.2
*/
void
gda_set_group_set_source (GdaSetGroup *sg, GdaSetSource *source)
{
g_return_if_fail (sg);
sg->nodes_source = source;
}
/**
* gda_set_group_get_source:
* @sg: a #GdaSetGroup
*
* Returns: a #GdaSetSource. If %NULL then @sg contains just one element.
*
* Since: 5.2
*/
GdaSetSource*
gda_set_group_get_source (GdaSetGroup *sg)
{
g_return_val_if_fail (sg, NULL);
return sg->nodes_source;
}
/**
* gda_set_group_add_node:
* @sg: a #GdaSetGroup
* @node: a #GdaSetNode to set
*
* Since: 5.2
*/
void
gda_set_group_add_node (GdaSetGroup *sg, GdaSetNode *node)
{
g_return_if_fail (sg);
g_return_if_fail (node);
sg->nodes = g_slist_append (sg->nodes, node);
}
/**
* gda_set_group_get_node:
* @sg: a #GdaSetGroup
*
* This method always return first #GdaSetNode in @sg.
*
* Returns: first #GdaSetNode in @sg.
*
* Since: 5.2
*/
GdaSetNode*
gda_set_group_get_node (GdaSetGroup *sg)
{
g_return_val_if_fail (sg, NULL);
g_return_val_if_fail (sg->nodes, NULL);
return GDA_SET_NODE (sg->nodes->data);
}
/**
* gda_set_group_get_nodes:
* @sg: a #GdaSetGroup
*
* Returns a #GSList with the #GdaSetNode grouped by @sg. You must use
* #g_slist_free on returned list.
*
* Returns: (transfer none) (element-type Gda.SetNode): a #GSList with all nodes in @sg.
*
* Since: 5.2
*/
GSList*
gda_set_group_get_nodes (GdaSetGroup *sg)
{
g_return_val_if_fail (sg, NULL);
g_return_val_if_fail (sg->nodes, NULL);
return sg->nodes;
}
/**
* gda_set_group_get_n_nodes:
* @sg: a #GdaSetGroup
*
* Returns: number of nodes in @sg.
*
* Since: 5.2
*/
gint
gda_set_group_get_n_nodes (GdaSetGroup *sg)
{
g_return_val_if_fail (sg, -1);
return g_slist_length (sg->nodes);
}
#ifdef GSEAL_ENABLE
/**
* GdaSetSource:
* @data_model: Can't be NULL
* @nodes: (element-type Gda.SetNode): list of #GdaSetNode for which source_model == @data_model
*
* Since 5.2, you must consider this struct as opaque. Any access to its internal must use public API.
* Don't try to use #gda_set_source_free on a struct that was created manually.
**/
struct _GdaSetSource {
GdaDataModel *data_model; /* Can't be NULL */
GSList *nodes; /* list of #GdaSetNode for which source_model == @data_model */
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
gpointer _gda_reserved3;
gpointer _gda_reserved4;
};
#else
#endif
/*
Register GdaSetSource type
*/
GType
gda_set_source_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
if (type == 0)
type = g_boxed_type_register_static ("GdaSetSource",
(GBoxedCopyFunc) gda_set_source_copy,
(GBoxedFreeFunc) gda_set_source_free);
}
return type;
}
/**
* gda_set_source_new:
* @model: a #GdaDataModel
*
* Creates a new #GdaSetSource struct.
*
* Return: (transfer full): a new #GdaSetSource struct.
*
* Since: 5.2
*/
GdaSetSource*
gda_set_source_new (GdaDataModel *model)
{
g_return_val_if_fail (model != NULL && GDA_IS_DATA_MODEL (model), NULL);
GdaSetSource *s = g_new0 (GdaSetSource, 1);
s->nodes = NULL;
s->data_model = g_object_ref (model);
return s;
}
/**
* gda_set_source_copy:
* @s: a #GdaSetGroup
*
* Copy constructor.
*
* Returns: a new #GdaSetSource
*
* Since: 5.2
*/
GdaSetSource *
gda_set_source_copy (GdaSetSource *s)
{
GdaSetSource *n;
g_return_val_if_fail (s, NULL);
n = gda_set_source_new (gda_set_source_get_data_model (s));
n->nodes = g_slist_copy (s->nodes);
return n;
}
/**
* gda_set_source_free:
* @s: (allow-none): a #GdaSetSource struct to free
*
* Frees any resources taken by @s struct. If @s is %NULL, then nothing happens.
*
* Since: 5.2
*/
void
gda_set_source_free (GdaSetSource *s)
{
g_return_if_fail(s);
g_object_unref (s->data_model);
g_slist_free (s->nodes); /* FIXME: A source must own its nodes, then they must be freed here
this leaves to others responsability free nodes BEFORE
to free this source */
g_free (s);
}
/**
* gda_set_source_get_data_model:
* @s: a #GdaSetSource
*
* Returns: (transfer none): a #GdaDataModel used by @s
*
* Since: 5.2
*/
GdaDataModel*
gda_set_source_get_data_model (GdaSetSource *s)
{
g_return_val_if_fail (s, NULL);
return s->data_model;
}
/**
* gda_set_source_set_data_model:
* @s: a #GdaSetSource struct to free
* @model: a #GdaDataModel
*
* Set a #GdaDataModel
*
* Since: 5.2
*/
void
gda_set_source_set_data_model (GdaSetSource *s, GdaDataModel *model)
{
g_return_if_fail (s);
g_return_if_fail (GDA_IS_DATA_MODEL (model));
s->data_model = g_object_ref (model);
}
/**
* gda_set_source_add_node:
* @s: a #GdaSetSource
* @node: a #GdaSetNode to add
*
* Set a #GdaDataModel
*
* Since: 5.2
*/
void
gda_set_source_add_node (GdaSetSource *s, GdaSetNode *node)
{
g_return_if_fail (s);
g_return_if_fail (node);
s->nodes = g_slist_append (s->nodes, node);
}
/**
* gda_set_source_get_nodes:
* @s: a #GdaSetSource
*
* Returns: (transfer none) (element-type Gda.SetNode): a list of #GdaSetNode structs
*
* Since: 5.2
*/
GSList*
gda_set_source_get_nodes (GdaSetSource *s)
{
g_return_val_if_fail (s, NULL);
g_return_val_if_fail (s->nodes, NULL);
return s->nodes;
}
/**
* gda_set_source_get_n_nodes:
* @s: a #GdaSetSource
*
* Returns: number of nodes in @sg.
*
* Since: 5.2
*/
gint
gda_set_source_get_n_nodes (GdaSetSource *s)
{
g_return_val_if_fail (s, -1);
return g_slist_length (s->nodes);
}
#ifdef GSEAL_ENABLE
/**
* GdaSetNode:
* @holder: a #GdaHolder. It can't be NULL
* @source_model: a #GdaDataModel. It could be NULL
* @source_column: a #gint with the number of column in @source_model
*
* Since 5.2, you must consider this struct as opaque. Any access to its internal must use public API.
* Don't try to use #gda_set_node_free on a struct that was created manually.
*/
struct _GdaSetNode {
GdaHolder *holder; /* Can't be NULL */
GdaDataModel *source_model; /* may be NULL */
gint source_column; /* unused if @source_model is NULL */
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
#endif
/*
Register GdaSetNode type
*/
GType
gda_set_node_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
if (type == 0)
type = g_boxed_type_register_static ("GdaSetNode",
(GBoxedCopyFunc) gda_set_node_copy,
(GBoxedFreeFunc) gda_set_node_free);
}
return type;
}
/**
* gda_set_node_new:
* @holder: a #GdaHolder to used by new #GdaSetNode
*
* Creates a new #GdaSetNode struct.
*
* Return: (transfer full): a new #GdaSetNode struct.
*
* Since: 5.2
*/
GdaSetNode*
gda_set_node_new (GdaHolder *holder)
{
g_return_val_if_fail (GDA_IS_HOLDER (holder), NULL);
GdaSetNode *n = g_new0 (GdaSetNode, 1);
n->holder = holder;
n->source_model = NULL;
return n;
}
/**
* gda_set_node_copy:
* @node: a #GdaSetNode to copy from
*
* Copy constructor.
*
* Returns: a new #GdaSetNode
*
* Since: 5.2
*/
GdaSetNode *
gda_set_node_copy (GdaSetNode *node)
{
g_return_val_if_fail (node, NULL);
GdaSetNode *n;
n = gda_set_node_new (gda_set_node_get_holder (node));
gda_set_node_set_source_column (n, gda_set_node_get_source_column (node));
gda_set_node_set_holder (n, gda_set_node_get_holder (node));
gda_set_node_set_data_model (n, gda_set_node_get_data_model (node));
return n;
}
/**
* gda_set_node_free:
* @node: (allow-none): a #GdaSetNode struct to free
*
* Frees any resources taken by @node struct. If @node is %NULL, then nothing happens.
*
* Since: 5.2
*/
void
gda_set_node_free (GdaSetNode *node)
{
if (node == NULL)
return;
g_free (node);
}
/**
* gda_set_node_get_holder:
* @node: a #GdaSetNode struct to get holder from
*
* Returns: (transfer none): the #GdaHolder used by @node
*
* Since: 5.2
*/
GdaHolder*
gda_set_node_get_holder (GdaSetNode *node)
{
g_return_val_if_fail (node, NULL);
return node->holder;
}
/**
* gda_set_node_set_holder:
* @node: a #GdaSetNode struct to set holder to
*
* Set a #GdaHolder to @node.
*
* Since: 5.2
*/
void
gda_set_node_set_holder (GdaSetNode *node, GdaHolder *holder)
{
g_return_if_fail (node);
g_return_if_fail (GDA_IS_HOLDER (holder));
node->holder = holder;
}
/**
* gda_set_node_get_data_model:
* @node: a #GdaSetNode struct to get holder from
*
* Returns: (transfer none): the #GdaDataModel used by @node
*
* Since: 5.2
*/
GdaDataModel*
gda_set_node_get_data_model (GdaSetNode *node)
{
g_return_val_if_fail (node, NULL);
return node->source_model;
}
/**
* gda_set_node_set_data_model:
* @node: a #GdaSetNode struct to set data model to
* @model: (allow-none): a #GdaDataModel to be used by @node
*
* Set a #GdaDataModel to be used by @node. @model increment its reference
* counting when set. Internally referenced column number is set to first column
* in @model.
*
* Since: 5.2
*/
void
gda_set_node_set_data_model (GdaSetNode *node, GdaDataModel *model)
{
g_return_if_fail (node);
if (GDA_IS_DATA_MODEL (model)) {
node->source_model = model;
node->source_column = 0;
}
else {
node->source_model = NULL;
node->source_column = -1;
}
}
/**
* gda_set_node_get_source_column:
* @node: a #GdaSetNode struct to get column source from
*
* Returns: the number of column referenced in a given #GdaDataModel. If negative
* no column is referenced or no #GdaDataModel is used by @node.
*
* Since: 5.2
*/
gint
gda_set_node_get_source_column (GdaSetNode *node)
{
g_return_val_if_fail (node, -1);
return node->source_column;
}
/**
* gda_set_node_set_source_column:
* @node: a #GdaSetNode struct to set column source to, from an used data model
*
* Set column number in the #GdaDataModel used @node. If no #GdaDataModel is set
* then column is set to invalid (-1);
*
* Since: 5.2
*/
void
gda_set_node_set_source_column (GdaSetNode *node, gint column)
{
g_return_if_fail (column >= 0);
if (GDA_IS_DATA_MODEL (node->source_model)) {
if (column < gda_data_model_get_n_columns (node->source_model))
node->source_column = column;
}
}
/*
* Main static functions
*/
static void gda_set_class_init (GdaSetClass *class);
static void gda_set_init (GdaSet *set);
static void gda_set_dispose (GObject *object);
static void gda_set_finalize (GObject *object);
static void set_remove_node (GdaSet *set, GdaSetNode *node);
static void set_remove_source (GdaSet *set, GdaSetSource *source);
static void changed_holder_cb (GdaHolder *holder, GdaSet *dataset);
static GError *validate_change_holder_cb (GdaHolder *holder, const GValue *value, GdaSet *dataset);
static void source_changed_holder_cb (GdaHolder *holder, GdaSet *dataset);
static void att_holder_changed_cb (GdaHolder *holder, const gchar *att_name, const GValue *att_value, GdaSet *dataset);
static void holder_notify_cb (GdaHolder *holder, GParamSpec *pspec, GdaSet *dataset);
static void compute_public_data (GdaSet *set);
static gboolean gda_set_real_add_holder (GdaSet *set, GdaHolder *holder);
/* get a pointer to the parents to be able to call their destructor */
static GObjectClass *parent_class = NULL;
/* properties */
enum
{
PROP_0,
PROP_ID,
PROP_NAME,
PROP_DESCR,
PROP_HOLDERS,
PROP_VALIDATE_CHANGES
};
/* signals */
enum
{
HOLDER_CHANGED,
PUBLIC_DATA_CHANGED,
HOLDER_ATTR_CHANGED,
VALIDATE_HOLDER_CHANGE,
VALIDATE_SET,
HOLDER_TYPE_SET,
SOURCE_MODEL_CHANGED,
LAST_SIGNAL
};
static gint gda_set_signals[LAST_SIGNAL] = { 0, 0, 0, 0, 0, 0 };
/* private structure */
struct _GdaSetPrivate
{
gchar *id;
gchar *name;
gchar *descr;
GHashTable *holders_hash; /* key = GdaHoler ID, value = GdaHolder */
GArray *holders_array;
gboolean read_only;
gboolean validate_changes;
};
static void
gda_set_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
GdaSet* set;
set = GDA_SET (object);
switch (param_id) {
case PROP_ID:
g_free (set->priv->id);
set->priv->id = g_value_dup_string (value);
break;
case PROP_NAME:
g_free (set->priv->name);
set->priv->name = g_value_dup_string (value);
break;
case PROP_DESCR:
g_free (set->priv->descr);
set->priv->descr = g_value_dup_string (value);
break;
case PROP_HOLDERS: {
/* add the holders */
GSList* holders;
for (holders = (GSList*) g_value_get_pointer (value); holders; holders = holders->next)
gda_set_real_add_holder (set, GDA_HOLDER (holders->data));
compute_public_data (set);
break;
}
case PROP_VALIDATE_CHANGES:
if (set->priv->validate_changes != g_value_get_boolean (value)) {
GSList *list;
set->priv->validate_changes = g_value_get_boolean (value);
for (list = set->holders; list; list = list->next) {
GdaHolder *holder = (GdaHolder*) list->data;
g_object_set ((GObject*) holder, "validate-changes",
set->priv->validate_changes, NULL);
if (set->priv->validate_changes)
g_signal_connect ((GObject*) holder, "validate-change",
G_CALLBACK (validate_change_holder_cb), set);
else
g_signal_handlers_disconnect_by_func ((GObject*) holder,
G_CALLBACK (validate_change_holder_cb),
set);
}
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
gda_set_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GdaSet* set;
set = GDA_SET (object);
switch (param_id) {
case PROP_ID:
g_value_set_string (value, set->priv->id);
break;
case PROP_NAME:
if (set->priv->name)
g_value_set_string (value, set->priv->name);
else
g_value_set_string (value, set->priv->id);
break;
case PROP_DESCR:
g_value_set_string (value, set->priv->descr);
break;
case PROP_VALIDATE_CHANGES:
g_value_set_boolean (value, set->priv->validate_changes);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
/* module error */
GQuark gda_set_error_quark (void)
{
static GQuark quark;
if (!quark)
quark = g_quark_from_static_string ("gda_set_error");
return quark;
}
GType
gda_set_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
static GMutex registering;
static const GTypeInfo info = {
sizeof (GdaSetClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gda_set_class_init,
NULL,
NULL,
sizeof (GdaSet),
0,
(GInstanceInitFunc) gda_set_init,
0
};
g_mutex_lock (®istering);
if (type == 0)
type = g_type_register_static (G_TYPE_OBJECT, "GdaSet", &info, 0);
g_mutex_unlock (®istering);
}
return type;
}
static gboolean
validate_accumulator (G_GNUC_UNUSED GSignalInvocationHint *ihint,
GValue *return_accu,
const GValue *handler_return,
G_GNUC_UNUSED gpointer data)
{
GError *error;
error = g_value_get_boxed (handler_return);
g_value_set_boxed (return_accu, error);
return error ? FALSE : TRUE; /* stop signal if an error has been set */
}
static GError *
m_validate_holder_change (G_GNUC_UNUSED GdaSet *set, G_GNUC_UNUSED GdaHolder *holder,
G_GNUC_UNUSED const GValue *new_value)
{
return NULL;
}
static GError *
m_validate_set (G_GNUC_UNUSED GdaSet *set)
{
return NULL;
}
static void
gda_set_class_init (GdaSetClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
parent_class = g_type_class_peek_parent (class);
gda_set_signals[HOLDER_CHANGED] =
g_signal_new ("holder-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GdaSetClass, holder_changed),
NULL, NULL,
_gda_marshal_VOID__OBJECT, G_TYPE_NONE, 1,
GDA_TYPE_HOLDER);
/**
* GdaSet::validate-holder-change:
* @set: the #GdaSet
* @holder: the #GdaHolder which is going to change
* @new_value: the proposed new value for @holder
*
* Gets emitted when a #GdaHolder's in @set is going to change its value. One can connect to
* this signal to control which values @holder can have (for example to implement some business rules)
*
* Returns: NULL if @holder is allowed to change its value to @new_value, or a #GError
* otherwise.
*/
gda_set_signals[VALIDATE_HOLDER_CHANGE] =
g_signal_new ("validate-holder-change",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GdaSetClass, validate_holder_change),
validate_accumulator, NULL,
_gda_marshal_ERROR__OBJECT_VALUE, G_TYPE_ERROR, 2,
GDA_TYPE_HOLDER, G_TYPE_VALUE);
/**
* GdaSet::validate-set:
* @set: the #GdaSet
*
* Gets emitted when gda_set_is_valid() is called, use
* this signal to control which combination of values @set's holder can have (for example to implement some business rules)
*
* Returns: NULL if @set's contents has been validated, or a #GError
* otherwise.
*/
gda_set_signals[VALIDATE_SET] =
g_signal_new ("validate-set",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GdaSetClass, validate_set),
validate_accumulator, NULL,
_gda_marshal_ERROR__VOID, G_TYPE_ERROR, 0);
/**
* GdaSet::holder-attr-changed:
* @set: the #GdaSet
* @holder: the GdaHolder for which an attribute changed
* @attr_name: attribute's name
* @attr_value: attribute's value
*
* Gets emitted when an attribute for any of the #GdaHolder objects managed by @set has changed
*/
gda_set_signals[HOLDER_ATTR_CHANGED] =
g_signal_new ("holder-attr-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GdaSetClass, holder_attr_changed),
NULL, NULL,
_gda_marshal_VOID__OBJECT_STRING_VALUE, G_TYPE_NONE, 3,
GDA_TYPE_HOLDER, G_TYPE_STRING, G_TYPE_VALUE);
/**
* GdaSet::public-data-changed:
* @set: the #GdaSet
*
* Gets emitted when @set's public data (#GdaSetNode, #GdaSetGroup or #GdaSetSource values) have changed
*/
gda_set_signals[PUBLIC_DATA_CHANGED] =
g_signal_new ("public-data-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GdaSetClass, public_data_changed),
NULL, NULL,
_gda_marshal_VOID__VOID, G_TYPE_NONE, 0);
/**
* GdaSet::holder-type-set:
* @set: the #GdaSet
* @holder: the #GdaHolder for which the #GType has been set
*
* Gets emitted when @holder in @set has its type finally set, in case
* it was #GDA_TYPE_NULL
*
* Since: 4.2
*/
gda_set_signals[HOLDER_TYPE_SET] =
g_signal_new ("holder-type-set",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GdaSetClass, holder_type_set),
NULL, NULL,
_gda_marshal_VOID__OBJECT, G_TYPE_NONE, 1,
GDA_TYPE_HOLDER);
/**
* GdaSet::source-model-changed:
* @set: the #GdaSet
* @source: the #GdaSetSource for which the @data_model attribute has changed
*
* Gets emitted when the data model in @source has changed
*
* Since: 4.2
*/
gda_set_signals[SOURCE_MODEL_CHANGED] =
g_signal_new ("source-model-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GdaSetClass, source_model_changed),
NULL, NULL,
_gda_marshal_VOID__POINTER, G_TYPE_NONE, 1,
G_TYPE_POINTER);
class->holder_changed = NULL;
class->validate_holder_change = m_validate_holder_change;
class->validate_set = m_validate_set;
class->holder_attr_changed = NULL;
class->public_data_changed = NULL;
class->holder_type_set = NULL;
class->source_model_changed = NULL;
/* Properties */
object_class->set_property = gda_set_set_property;
object_class->get_property = gda_set_get_property;
g_object_class_install_property (object_class, PROP_ID,
g_param_spec_string ("id", NULL, "Id", NULL,
(G_PARAM_READABLE | G_PARAM_WRITABLE)));
g_object_class_install_property (object_class, PROP_NAME,
g_param_spec_string ("name", NULL, "Name", NULL,
(G_PARAM_READABLE | G_PARAM_WRITABLE)));
g_object_class_install_property (object_class, PROP_DESCR,
g_param_spec_string ("description", NULL, "Description", NULL,
(G_PARAM_READABLE | G_PARAM_WRITABLE)));
g_object_class_install_property (object_class, PROP_HOLDERS,
g_param_spec_pointer ("holders", "GSList of GdaHolders",
"GdaHolder objects the set should contain", (
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)));
/**
* GdaSet:validate-changes:
*
* Defines if the "validate-set" signal gets emitted when
* any holder in the data set changes. This property also affects the
* GdaHolder:validate-changes property.
*
* Since: 5.2.0
*/
g_object_class_install_property (object_class, PROP_VALIDATE_CHANGES,
g_param_spec_boolean ("validate-changes", NULL, "Defines if the validate-set signal is emitted", TRUE,
(G_PARAM_READABLE | G_PARAM_WRITABLE)));
object_class->dispose = gda_set_dispose;
object_class->finalize = gda_set_finalize;
}
static void
gda_set_init (GdaSet *set)
{
set->priv = g_new0 (GdaSetPrivate, 1);
set->holders = NULL;
set->nodes_list = NULL;
set->sources_list = NULL;
set->groups_list = NULL;
set->priv->holders_hash = g_hash_table_new (g_str_hash, g_str_equal);
set->priv->holders_array = NULL;
set->priv->read_only = FALSE;
set->priv->validate_changes = TRUE;
}
/**
* gda_set_new:
* @holders: (element-type Gda.Holder) (transfer none): a list of #GdaHolder objects
*
* Creates a new #GdaSet object, and populates it with the list given as argument.
* The list can then be freed as it is copied. All the value holders in @holders are referenced counted
* and modified, so they should not be used anymore afterwards.
*
* Returns: a new #GdaSet object
*/
GdaSet *
gda_set_new (GSList *holders)
{
GObject *obj;
obj = g_object_new (GDA_TYPE_SET, NULL);
for (; holders; holders = holders->next)
gda_set_real_add_holder ((GdaSet*) obj, GDA_HOLDER (holders->data));
compute_public_data ((GdaSet*) obj);
return (GdaSet*) obj;
}
/**
* gda_set_new_read_only:
* @holders: (element-type Gda.Holder) (transfer none): a list of #GdaHolder objects
*
* Creates a new #GdaSet like gda_set_new(), but does not allow modifications to any of the #GdaHolder
* object in @holders. This function is used for Libgda's database providers' implementation.
*
* Returns: a new #GdaSet object
*
* Since: 4.2
*/
GdaSet *
gda_set_new_read_only (GSList *holders)
{
GObject *obj;
obj = g_object_new (GDA_TYPE_SET, NULL);
((GdaSet*) obj)->priv->read_only = TRUE;
for (; holders; holders = holders->next)
gda_set_real_add_holder ((GdaSet*) obj, GDA_HOLDER (holders->data));
compute_public_data ((GdaSet*) obj);
return (GdaSet*) obj;
}
/**
* gda_set_copy:
* @set: a #GdaSet object
*
* Creates a new #GdaSet object, copy of @set
*
* Returns: (transfer full): a new #GdaSet object
*/
GdaSet *
gda_set_copy (GdaSet *set)
{
GdaSet *copy;
GSList *list, *holders = NULL;
g_return_val_if_fail (GDA_IS_SET (set), NULL);
for (list = set->holders; list; list = list->next)
holders = g_slist_prepend (holders, gda_holder_copy (GDA_HOLDER (list->data)));
holders = g_slist_reverse (holders);
copy = g_object_new (GDA_TYPE_SET, "holders", holders, NULL);
g_slist_foreach (holders, (GFunc) g_object_unref, NULL);
g_slist_free (holders);
return copy;
}
/**
* gda_set_new_inline: (skip)
* @nb: the number of value holders which will be contained in the new #GdaSet
* @...: a serie of a (const gchar*) id, (GType) type, and value
*
* Creates a new #GdaSet containing holders defined by each triplet in ...
* For each triplet (id, Glib type and value),
* the value must be of the correct type (gchar * if type is G_STRING, ...)
*
* Note that this function is a utility function and that only a limited set of types are supported. Trying
* to use an unsupported type will result in a warning, and the returned value holder holding a safe default
* value.
*
* Returns: (transfer full): a new #GdaSet object
*/
GdaSet *
gda_set_new_inline (gint nb, ...)
{
GdaSet *set = NULL;
GSList *holders = NULL;
va_list ap;
gchar *id;
gint i;
gboolean allok = TRUE;
/* build the list of holders */
va_start (ap, nb);
for (i = 0; i < nb; i++) {
GType type;
GdaHolder *holder;
GValue *value;
GError *lerror = NULL;
id = va_arg (ap, char *);
type = va_arg (ap, GType);
holder = (GdaHolder *) g_object_new (GDA_TYPE_HOLDER, "g-type", type, "id", id, NULL);
value = gda_value_new (type);
if (type == G_TYPE_BOOLEAN)
g_value_set_boolean (value, va_arg (ap, int));
else if (type == G_TYPE_STRING)
g_value_set_string (value, va_arg (ap, gchar *));
else if (type == G_TYPE_OBJECT)
g_value_set_object (value, va_arg (ap, gpointer));
else if (type == G_TYPE_INT)
g_value_set_int (value, va_arg (ap, gint));
else if (type == G_TYPE_UINT)
g_value_set_uint (value, va_arg (ap, guint));
else if (type == GDA_TYPE_BINARY)
gda_value_set_binary (value, va_arg (ap, GdaBinary *));
else if (type == G_TYPE_INT64)
g_value_set_int64 (value, va_arg (ap, gint64));
else if (type == G_TYPE_UINT64)
g_value_set_uint64 (value, va_arg (ap, guint64));
else if (type == GDA_TYPE_SHORT)
gda_value_set_short (value, va_arg (ap, int));
else if (type == GDA_TYPE_USHORT)
gda_value_set_ushort (value, va_arg (ap, guint));
else if (type == G_TYPE_CHAR)
g_value_set_schar (value, va_arg (ap, gint));
else if (type == G_TYPE_UCHAR)
g_value_set_uchar (value, va_arg (ap, guint));
else if (type == G_TYPE_FLOAT)
g_value_set_float (value, va_arg (ap, double));
else if (type == G_TYPE_DOUBLE)
g_value_set_double (value, va_arg (ap, gdouble));
else if (type == GDA_TYPE_NUMERIC)
gda_value_set_numeric (value, va_arg (ap, GdaNumeric *));
else if (type == G_TYPE_DATE)
g_value_set_boxed (value, va_arg (ap, GDate *));
else if (type == G_TYPE_LONG)
g_value_set_long (value, va_arg (ap, glong));
else if (type == G_TYPE_ULONG)
g_value_set_ulong (value, va_arg (ap, gulong));
else if (type == G_TYPE_GTYPE)
g_value_set_gtype (value, va_arg(ap, GType));
else if (type == GDA_TYPE_TIMESTAMP)
gda_value_set_timestamp (value, va_arg(ap, GdaTimestamp *));
else if (type == GDA_TYPE_TIME)
gda_value_set_time (value, va_arg(ap, GdaTime *));
else {
g_warning (_("%s() does not handle values of type '%s'."),
__FUNCTION__, g_type_name (type));
g_object_unref (holder);
allok = FALSE;
break;
}
if (!gda_holder_take_value (holder, value, &lerror)) {
g_warning (_("Unable to set holder's value: %s"),
lerror && lerror->message ? lerror->message : _("No detail"));
if (lerror)
g_error_free (lerror);
g_object_unref (holder);
allok = FALSE;
break;
}
holders = g_slist_append (holders, holder);
}
va_end (ap);
/* create the set */
if (allok)
set = gda_set_new (holders);
if (holders) {
g_slist_foreach (holders, (GFunc) g_object_unref, NULL);
g_slist_free (holders);
}
return set;
}
/**
* gda_set_set_holder_value: (skip)
* @set: a #GdaSet object
* @error: (allow-none): a place to store errors, or %NULL
* @holder_id: the ID of the holder to set the value
* @...: value, of the correct type, depending on the requested holder's type (not NULL)
*
* Set the value of the #GdaHolder which ID is @holder_id to a specified value
*
* Returns: %TRUE if no error occurred and the value was set correctly
*/
gboolean
gda_set_set_holder_value (GdaSet *set, GError **error, const gchar *holder_id, ...)
{
GdaHolder *holder;
va_list ap;
GValue *value;
GType type;
g_return_val_if_fail (GDA_IS_SET (set), FALSE);
g_return_val_if_fail (set->priv, FALSE);
holder = gda_set_get_holder (set, holder_id);
if (!holder) {
g_set_error (error, GDA_SET_ERROR, GDA_SET_HOLDER_NOT_FOUND_ERROR,
_("GdaHolder with ID '%s' not found in set"), holder_id);
return FALSE;
}
type = gda_holder_get_g_type (holder);
va_start (ap, holder_id);
value = gda_value_new (type);
if (type == G_TYPE_BOOLEAN)
g_value_set_boolean (value, va_arg (ap, int));
else if (type == G_TYPE_STRING)
g_value_set_string (value, va_arg (ap, gchar *));
else if (type == G_TYPE_OBJECT)
g_value_set_object (value, va_arg (ap, gpointer));
else if (type == G_TYPE_INT)
g_value_set_int (value, va_arg (ap, gint));
else if (type == G_TYPE_UINT)
g_value_set_uint (value, va_arg (ap, guint));
else if (type == GDA_TYPE_BINARY)
gda_value_set_binary (value, va_arg (ap, GdaBinary *));
else if (type == G_TYPE_INT64)
g_value_set_int64 (value, va_arg (ap, gint64));
else if (type == G_TYPE_UINT64)
g_value_set_uint64 (value, va_arg (ap, guint64));
else if (type == GDA_TYPE_SHORT)
gda_value_set_short (value, va_arg (ap, int));
else if (type == GDA_TYPE_USHORT)
gda_value_set_ushort (value, va_arg (ap, guint));
else if (type == G_TYPE_CHAR)
g_value_set_schar (value, va_arg (ap, gint));
else if (type == G_TYPE_UCHAR)
g_value_set_uchar (value, va_arg (ap, guint));
else if (type == G_TYPE_FLOAT)
g_value_set_float (value, va_arg (ap, double));
else if (type == G_TYPE_DOUBLE)
g_value_set_double (value, va_arg (ap, gdouble));
else if (type == GDA_TYPE_NUMERIC)
gda_value_set_numeric (value, va_arg (ap, GdaNumeric *));
else if (type == G_TYPE_DATE)
g_value_set_boxed (value, va_arg (ap, GDate *));
else if (type == GDA_TYPE_TIMESTAMP)
gda_value_set_timestamp (value, va_arg (ap, GdaTimestamp*));
else if (type == GDA_TYPE_TIME)
gda_value_set_time (value, va_arg (ap, GdaTime*));
else if (type == G_TYPE_LONG)
g_value_set_long (value, va_arg (ap, glong));
else if (type == G_TYPE_ULONG)
g_value_set_ulong (value, va_arg (ap, gulong));
else if (type == G_TYPE_GTYPE)
g_value_set_gtype (value, va_arg (ap, GType));
else {
g_set_error (error, GDA_SET_ERROR, GDA_SET_IMPLEMENTATION_ERROR,
_("%s() does not handle values of type '%s'."),
__FUNCTION__, g_type_name (type));
va_end (ap);
return FALSE;
}
va_end (ap);
return gda_holder_take_value (holder, value, error);
}
/**
* gda_set_get_holder_value:
* @set: a #GdaSet object
* @holder_id: the ID of the holder to set the value
*
* Get the value of the #GdaHolder which ID is @holder_id
*
* Returns: (allow-none) (transfer none): the requested GValue, or %NULL (see gda_holder_get_value())
*/
const GValue *
gda_set_get_holder_value (GdaSet *set, const gchar *holder_id)
{
GdaHolder *holder;
g_return_val_if_fail (GDA_IS_SET (set), FALSE);
g_return_val_if_fail (set->priv, FALSE);
holder = gda_set_get_holder (set, holder_id);
if (holder)
return gda_holder_get_value (holder);
else
return NULL;
}
static void
xml_validity_error_func (void *ctx, const char *msg, ...)
{
va_list args;
gchar *str, *str2, *newerr;
va_start (args, msg);
str = g_strdup_vprintf (msg, args);
va_end (args);
str2 = *((gchar **) ctx);
if (str2) {
newerr = g_strdup_printf ("%s\n%s", str2, str);
g_free (str2);
}
else
newerr = g_strdup (str);
g_free (str);
*((gchar **) ctx) = newerr;
}
/**
* gda_set_new_from_spec_string:
* @xml_spec: a string
* @error: (allow-none): a place to store the error, or %NULL
*
* Creates a new #GdaSet object from the @xml_spec
* specifications
*
* Returns: (transfer full): a new object, or %NULL if an error occurred
*/
GdaSet *
gda_set_new_from_spec_string (const gchar *xml_spec, GError **error)
{
xmlDocPtr doc;
xmlNodePtr root;
GdaSet *set;
/* string parsing */
doc = xmlParseMemory (xml_spec, strlen (xml_spec));
if (!doc)
return NULL;
{
/* doc validation */
xmlValidCtxtPtr validc;
int xmlcheck;
gchar *err_str = NULL;
xmlDtdPtr old_dtd = NULL;
validc = g_new0 (xmlValidCtxt, 1);
validc->userData = &err_str;
validc->error = xml_validity_error_func;
validc->warning = NULL;
xmlcheck = xmlDoValidityCheckingDefaultValue;
xmlDoValidityCheckingDefaultValue = 1;
/* replace the DTD with ours */
if (gda_paramlist_dtd) {
old_dtd = doc->intSubset;
doc->intSubset = gda_paramlist_dtd;
}
#ifndef G_OS_WIN32
if (doc->intSubset && !xmlValidateDocument (validc, doc)) {
if (gda_paramlist_dtd)
doc->intSubset = old_dtd;
xmlFreeDoc (doc);
g_free (validc);
if (err_str) {
g_set_error (error,
GDA_SET_ERROR,
GDA_SET_XML_SPEC_ERROR,
"XML spec. does not conform to DTD:\n%s", err_str);
g_free (err_str);
}
else
g_set_error (error,
GDA_SET_ERROR,
GDA_SET_XML_SPEC_ERROR,
"%s", "XML spec. does not conform to DTD");
xmlDoValidityCheckingDefaultValue = xmlcheck;
return NULL;
}
#endif
if (gda_paramlist_dtd)
doc->intSubset = old_dtd;
xmlDoValidityCheckingDefaultValue = xmlcheck;
g_free (validc);
}
/* doc is now non NULL */
root = xmlDocGetRootElement (doc);
if (strcmp ((gchar*)root->name, "data-set-spec") != 0){
g_set_error (error, GDA_SET_ERROR, GDA_SET_XML_SPEC_ERROR,
_("Spec's root node != 'data-set-spec': '%s'"), root->name);
return NULL;
}
/* creating holders */
root = root->xmlChildrenNode;
while (xmlNodeIsText (root))
root = root->next;
set = gda_set_new_from_spec_node (root, error);
xmlFreeDoc(doc);
return set;
}
/**
* gda_set_new_from_spec_node:
* @xml_spec: a #xmlNodePtr for a <parameters> tag
* @error: (allow-none): a place to store the error, or %NULL
*
* Creates a new #GdaSet object from the @xml_spec
* specifications
*
* Returns: (transfer full): a new object, or %NULL if an error occurred
*/
GdaSet *
gda_set_new_from_spec_node (xmlNodePtr xml_spec, GError **error)
{
GdaSet *set = NULL;
GSList *holders = NULL, *sources = NULL;
GSList *list;
const gchar *lang = gda_lang_locale;
xmlNodePtr cur;
gboolean allok = TRUE;
gchar *str;
if (strcmp ((gchar*)xml_spec->name, "parameters") != 0){
g_set_error (error, GDA_SET_ERROR, GDA_SET_XML_SPEC_ERROR,
_("Missing node <parameters>: '%s'"), xml_spec->name);
return NULL;
}
/* Holders' sources, not mandatory: makes the @sources list */
cur = xml_spec->next;
while (cur && (xmlNodeIsText (cur) || strcmp ((gchar*)cur->name, "sources")))
cur = cur->next;
if (allok && cur && !strcmp ((gchar*)cur->name, "sources")){
for (cur = cur->xmlChildrenNode; (cur != NULL) && allok; cur = cur->next) {
if (xmlNodeIsText (cur))
continue;
if (!strcmp ((gchar*)cur->name, "gda_array")) {
GdaDataModel *model;
GSList *errors;
model = gda_data_model_import_new_xml_node (cur);
errors = gda_data_model_import_get_errors (GDA_DATA_MODEL_IMPORT (model));
if (errors) {
GError *err = (GError *) errors->data;
g_set_error (error, GDA_SET_ERROR, GDA_SET_XML_SPEC_ERROR,
"%s", err->message);
g_object_unref (model);
model = NULL;
allok = FALSE;
}
else {
sources = g_slist_prepend (sources, model);
str = (gchar*)xmlGetProp(cur, (xmlChar*) "name");
if (str)
g_object_set_data_full (G_OBJECT (model), "name", str, xmlFree);
}
}
}
}
/* holders */
for (cur = xml_spec->xmlChildrenNode; cur && allok; cur = cur->next) {
if (xmlNodeIsText (cur))
continue;
if (!strcmp ((gchar*)cur->name, "parameter")) {
GdaHolder *holder = NULL;
gchar *str, *id;
xmlChar *this_lang;
xmlChar *gdatype;
/* don't care about entries for the wrong locale */
this_lang = xmlGetProp(cur, (xmlChar*)"lang");
if (this_lang && strncmp ((gchar*)this_lang, lang, strlen ((gchar*)this_lang))) {
g_free (this_lang);
continue;
}
/* find if there is already a holder with the same ID */
id = (gchar*)xmlGetProp(cur, (xmlChar*)"id");
for (list = holders; list && !holder; list = list->next) {
str = (gchar *) gda_holder_get_id ((GdaHolder *) list->data);
if (str && id && !strcmp (str, id))
holder = (GdaHolder *) list->data;
}
if (id)
xmlFree (id);
if (holder && !this_lang) {
xmlFree (this_lang);
continue;
}
g_free (this_lang);
/* find data type and create GdaHolder */
gdatype = xmlGetProp (cur, BAD_CAST "gdatype");
if (!holder) {
GType gt;
gt = gdatype ? gda_g_type_from_string ((gchar *) gdatype) : G_TYPE_STRING;
if (gt == G_TYPE_INVALID)
gt = GDA_TYPE_NULL;
holder = (GdaHolder*) (g_object_new (GDA_TYPE_HOLDER,
"g-type", gt,
NULL));
holders = g_slist_append (holders, holder);
}
if (gdatype)
xmlFree (gdatype);
/* set holder's attributes */
if (! gda_utility_holder_load_attributes (holder, cur, sources, error))
allok = FALSE;
}
}
/* setting prepared new names from sources (models) */
for (list = sources; list; list = list->next) {
str = g_object_get_data (G_OBJECT (list->data), "newname");
if (str) {
g_object_set_data_full (G_OBJECT (list->data), "name", g_strdup (str), g_free);
g_object_set_data (G_OBJECT (list->data), "newname", NULL);
}
str = g_object_get_data (G_OBJECT (list->data), "newdescr");
if (str) {
g_object_set_data_full (G_OBJECT (list->data), "descr", g_strdup (str), g_free);
g_object_set_data (G_OBJECT (list->data), "newdescr", NULL);
}
}
/* holders' values, constraints: TODO */
/* GdaSet creation */
if (allok) {
xmlChar *prop;;
set = gda_set_new (holders);
prop = xmlGetProp(xml_spec, (xmlChar*)"id");
if (prop) {
set->priv->id = g_strdup ((gchar*)prop);
xmlFree (prop);
}
prop = xmlGetProp(xml_spec, (xmlChar*)"name");
if (prop) {
set->priv->name = g_strdup ((gchar*)prop);
xmlFree (prop);
}
prop = xmlGetProp(xml_spec, (xmlChar*)"descr");
if (prop) {
set->priv->descr = g_strdup ((gchar*)prop);
xmlFree (prop);
}
}
g_slist_foreach (holders, (GFunc) g_object_unref, NULL);
g_slist_free (holders);
g_slist_foreach (sources, (GFunc) g_object_unref, NULL);
g_slist_free (sources);
return set;
}
/**
* gda_set_remove_holder:
* @set: a #GdaSet object
* @holder: the #GdaHolder to remove from @set
*
* Removes a #GdaHolder from the list of holders managed by @set
*/
void
gda_set_remove_holder (GdaSet *set, GdaHolder *holder)
{
GdaSetNode *node;
GdaDataModel *model;
g_return_if_fail (GDA_IS_SET (set));
g_return_if_fail (set->priv);
g_return_if_fail (g_slist_find (set->holders, holder));
if (set->priv->validate_changes)
g_signal_handlers_disconnect_by_func (G_OBJECT (holder),
G_CALLBACK (validate_change_holder_cb), set);
if (! set->priv->read_only) {
g_signal_handlers_disconnect_by_func (G_OBJECT (holder),
G_CALLBACK (changed_holder_cb), set);
g_signal_handlers_disconnect_by_func (G_OBJECT (holder),
G_CALLBACK (source_changed_holder_cb), set);
g_signal_handlers_disconnect_by_func (G_OBJECT (holder),
G_CALLBACK (att_holder_changed_cb), set);
}
g_signal_handlers_disconnect_by_func (holder,
G_CALLBACK (holder_notify_cb), set);
/* now destroy the GdaSetNode and the GdaSetSource if necessary */
node = gda_set_get_node (set, holder);
g_assert (node);
model = gda_set_node_get_data_model (node);
if (GDA_IS_DATA_MODEL (model)) {
GdaSetSource *source;
GSList *nodes;
source = gda_set_get_source_for_model (set, model);
g_assert (source);
nodes = gda_set_source_get_nodes (source);
g_assert (nodes);
if (! nodes->next)
set_remove_source (set, source);
}
set_remove_node (set, node);
set->holders = g_slist_remove (set->holders, holder);
g_hash_table_remove (set->priv->holders_hash, gda_holder_get_id (holder));
if (set->priv->holders_array) {
g_array_free (set->priv->holders_array, TRUE);
set->priv->holders_array = NULL;
}
g_object_unref (G_OBJECT (holder));
}
static void
source_changed_holder_cb (G_GNUC_UNUSED GdaHolder *holder, GdaSet *set)
{
compute_public_data (set);
}
static void
att_holder_changed_cb (GdaHolder *holder, const gchar *att_name, const GValue *att_value, GdaSet *set)
{
#ifdef GDA_DEBUG_signal
g_print (">> 'HOLDER_ATTR_CHANGED' from %s\n", __FUNCTION__);
#endif
g_signal_emit (G_OBJECT (set), gda_set_signals[HOLDER_ATTR_CHANGED], 0, holder, att_name, att_value);
#ifdef GDA_DEBUG_signal
g_print ("<< 'HOLDER_ATTR_CHANGED' from %s\n", __FUNCTION__);
#endif
}
static GError *
validate_change_holder_cb (GdaHolder *holder, const GValue *value, GdaSet *set)
{
/* signal the holder validate-change */
GError *error = NULL;
if (set->priv->read_only)
g_set_error (&error, GDA_SET_ERROR, GDA_SET_READ_ONLY_ERROR, "%s", _("Data set does not allow modifications"));
else {
#ifdef GDA_DEBUG_signal
g_print (">> 'VALIDATE_HOLDER_CHANGE' from %s\n", __FUNCTION__);
#endif
g_signal_emit (G_OBJECT (set), gda_set_signals[VALIDATE_HOLDER_CHANGE], 0, holder, value, &error);
#ifdef GDA_DEBUG_signal
g_print ("<< 'VALIDATE_HOLDER_CHANGED' from %s\n", __FUNCTION__);
#endif
}
return error;
}
static void
changed_holder_cb (GdaHolder *holder, GdaSet *set)
{
/* signal the holder change */
#ifdef GDA_DEBUG_signal
g_print (">> 'HOLDER_CHANGED' from %s\n", __FUNCTION__);
#endif
g_signal_emit (G_OBJECT (set), gda_set_signals[HOLDER_CHANGED], 0, holder);
#ifdef GDA_DEBUG_signal
g_print ("<< 'HOLDER_CHANGED' from %s\n", __FUNCTION__);
#endif
}
static void
group_free (GdaSetGroup *group, G_GNUC_UNUSED gpointer data)
{
gda_set_group_free (group);
}
static void
gda_set_dispose (GObject *object)
{
GdaSet *set;
GSList *list;
g_return_if_fail (object != NULL);
g_return_if_fail (GDA_IS_SET (object));
set = GDA_SET (object);
/* free the holders list */
if (set->holders) {
for (list = set->holders; list; list = list->next) {
if (set->priv->validate_changes)
g_signal_handlers_disconnect_by_func (G_OBJECT (list->data),
G_CALLBACK (validate_change_holder_cb), set);
if (! set->priv->read_only) {
g_signal_handlers_disconnect_by_func (G_OBJECT (list->data),
G_CALLBACK (changed_holder_cb), set);
g_signal_handlers_disconnect_by_func (G_OBJECT (list->data),
G_CALLBACK (source_changed_holder_cb), set);
g_signal_handlers_disconnect_by_func (G_OBJECT (list->data),
G_CALLBACK (att_holder_changed_cb), set);
}
g_object_unref (list->data);
}
g_slist_free (set->holders);
}
if (set->priv->holders_hash) {
g_hash_table_destroy (set->priv->holders_hash);
set->priv->holders_hash = NULL;
}
if (set->priv->holders_array) {
g_array_free (set->priv->holders_array, TRUE);
set->priv->holders_array = NULL;
}
/* free the nodes if there are some */
while (set->nodes_list)
set_remove_node (set, GDA_SET_NODE (set->nodes_list->data));
while (set->sources_list)
set_remove_source (set, GDA_SET_SOURCE (set->sources_list->data));
g_slist_foreach (set->groups_list, (GFunc) group_free, NULL);
g_slist_free (set->groups_list);
set->groups_list = NULL;
/* parent class */
parent_class->dispose (object);
}
static void
gda_set_finalize (GObject *object)
{
GdaSet *set;
g_return_if_fail (object != NULL);
g_return_if_fail (GDA_IS_SET (object));
set = GDA_SET (object);
if (set->priv) {
g_free (set->priv->id);
g_free (set->priv->name);
g_free (set->priv->descr);
g_free (set->priv);
set->priv = NULL;
}
/* parent class */
parent_class->finalize (object);
}
/*
* Resets and computes set->nodes, and if some nodes already exist, they are previously discarded
*/
static void
compute_public_data (GdaSet *set)
{
GSList *list;
GdaSetNode *node;
GdaSetSource *source;
GdaSetGroup *group;
GHashTable *groups = NULL;
/*
* Get rid of all the previous structures
*/
while (set->nodes_list)
set_remove_node (set, GDA_SET_NODE (set->nodes_list->data));
while (set->sources_list)
set_remove_source (set, GDA_SET_SOURCE (set->sources_list->data));
g_slist_foreach (set->groups_list, (GFunc) group_free, NULL);
g_slist_free (set->groups_list);
set->groups_list = NULL;
/*
* Creation of the GdaSetNode structures
*/
for (list = set->holders; list; list = list->next) {
GdaHolder *holder = GDA_HOLDER (list->data);
gint col;
node = gda_set_node_new (holder);
gda_set_node_set_data_model (node, gda_holder_get_source_model (holder, &col));
gda_set_node_set_source_column (node, col);
set->nodes_list = g_slist_prepend (set->nodes_list, node);
}
set->nodes_list = g_slist_reverse (set->nodes_list);
/*
* Creation of the GdaSetSource and GdaSetGroup structures
*/
for (list = set->nodes_list; list;list = list->next) {
node = GDA_SET_NODE (list->data);
/* source */
source = NULL;
if (gda_set_node_get_data_model (node)) {
source = gda_set_get_source_for_model (set, gda_set_node_get_data_model (node));
if (source)
gda_set_source_add_node (source, node);
else {
source = gda_set_source_new (gda_set_node_get_data_model (node));
gda_set_source_add_node (source, node);
set->sources_list = g_slist_prepend (set->sources_list, source);
}
}
/* group */
group = NULL;
if (gda_set_node_get_data_model (node) && groups)
group = g_hash_table_lookup (groups, gda_set_node_get_data_model (node));
if (group)
gda_set_group_add_node (group, node);
else {
group = gda_set_group_new (node);
gda_set_group_set_source (group, source);
set->groups_list = g_slist_prepend (set->groups_list, group);
if (gda_set_node_get_data_model (node)) {
if (!groups)
groups = g_hash_table_new (NULL, NULL); /* key = source model,
value = GdaSetGroup */
g_hash_table_insert (groups, gda_set_node_get_data_model (node), group);
}
}
}
set->groups_list = g_slist_reverse (set->groups_list);
if (groups)
g_hash_table_destroy (groups);
#ifdef GDA_DEBUG_signal
g_print (">> 'PUBLIC_DATA_CHANGED' from %p\n", set);
#endif
g_signal_emit (set, gda_set_signals[PUBLIC_DATA_CHANGED], 0);
#ifdef GDA_DEBUG_signal
g_print ("<< 'PUBLIC_DATA_CHANGED' from %p\n", set);
#endif
}
/**
* gda_set_add_holder:
* @set: a #GdaSet object
* @holder: a #GdaHolder object
*
* Adds @holder to the list of holders managed within @set.
*
* NOTE: if @set already has a #GdaHolder with the same ID as @holder, then @holder
* will not be added to the set (even if @holder's type or value is not the same as the
* one already in @set).
*
* Returns: TRUE if @holder has been added to @set (and FALSE if it has not been added because there is another #GdaHolder
* with the same ID)
*/
gboolean
gda_set_add_holder (GdaSet *set, GdaHolder *holder)
{
gboolean added;
g_return_val_if_fail (GDA_IS_SET (set), FALSE);
g_return_val_if_fail (GDA_IS_HOLDER (holder), FALSE);
added = gda_set_real_add_holder (set, holder);
if (added)
compute_public_data (set);
return added;
}
static void
holder_notify_cb (GdaHolder *holder, GParamSpec *pspec, GdaSet *dataset)
{
GType gtype;
gtype = gda_holder_get_g_type (holder);
if (!strcmp (pspec->name, "g-type")) {
g_assert (gtype != GDA_TYPE_NULL);
g_signal_emit (dataset, gda_set_signals[HOLDER_TYPE_SET], 0, holder);
}
else if (!strcmp (pspec->name, "name")) {
#ifdef GDA_DEBUG_signal
g_print (">> 'HOLDER_ATTR_CHANGED' from %s\n", __FUNCTION__);
#endif
g_signal_emit (G_OBJECT (dataset), gda_set_signals[HOLDER_ATTR_CHANGED], 0, holder,
GDA_ATTRIBUTE_NAME, gda_holder_get_attribute (holder, GDA_ATTRIBUTE_NAME));
#ifdef GDA_DEBUG_signal
g_print ("<< 'HOLDER_ATTR_CHANGED' from %s\n", __FUNCTION__);
#endif
}
else if (!strcmp (pspec->name, "description")) {
#ifdef GDA_DEBUG_signal
g_print (">> 'HOLDER_ATTR_CHANGED' from %s\n", __FUNCTION__);
#endif
g_signal_emit (G_OBJECT (dataset), gda_set_signals[HOLDER_ATTR_CHANGED], 0, holder,
GDA_ATTRIBUTE_DESCRIPTION, gda_holder_get_attribute (holder, GDA_ATTRIBUTE_DESCRIPTION));
#ifdef GDA_DEBUG_signal
g_print ("<< 'HOLDER_ATTR_CHANGED' from %s\n", __FUNCTION__);
#endif
}
}
static gboolean
gda_set_real_add_holder (GdaSet *set, GdaHolder *holder)
{
GdaHolder *similar;
const gchar *hid;
/*
* try to find a similar holder in the set->holders:
* a holder B is similar to a holder A if it has the same ID
*/
hid = gda_holder_get_id (holder);
if (!hid) {
g_warning (_("GdaHolder needs to have an ID"));
return FALSE;
}
similar = (GdaHolder*) g_hash_table_lookup (set->priv->holders_hash, hid);
if (!similar) {
/* really add @holder to the set */
set->holders = g_slist_append (set->holders, holder);
g_hash_table_insert (set->priv->holders_hash, (gchar*) hid, holder);
if (set->priv->holders_array) {
g_array_free (set->priv->holders_array, TRUE);
set->priv->holders_array = NULL;
}
g_object_ref (holder);
if (set->priv->validate_changes)
g_signal_connect (G_OBJECT (holder), "validate-change",
G_CALLBACK (validate_change_holder_cb), set);
if (! set->priv->read_only) {
g_signal_connect (G_OBJECT (holder), "changed",
G_CALLBACK (changed_holder_cb), set);
g_signal_connect (G_OBJECT (holder), "source-changed",
G_CALLBACK (source_changed_holder_cb), set);
g_signal_connect (G_OBJECT (holder), "attribute-changed",
G_CALLBACK (att_holder_changed_cb), set);
}
if (gda_holder_get_g_type (holder) == GDA_TYPE_NULL)
g_signal_connect (G_OBJECT (holder), "notify::g-type",
G_CALLBACK (holder_notify_cb), set);
g_signal_connect (G_OBJECT (holder), "notify::name",
G_CALLBACK (holder_notify_cb), set);
g_signal_connect (G_OBJECT (holder), "notify::description",
G_CALLBACK (holder_notify_cb), set);
return TRUE;
}
else if (similar == holder)
return FALSE;
else {
#ifdef GDA_DEBUG_NO
g_print ("In Set %p, Holder %p and %p are similar, keeping %p only\n", set, similar, holder, similar);
#endif
return FALSE;
}
}
/**
* gda_set_merge_with_set:
* @set: a #GdaSet object
* @set_to_merge: a #GdaSet object
*
* Add to @set all the holders of @set_to_merge.
* Note1: only the #GdaHolder of @set_to_merge for which no holder in @set has the same ID are merged
* Note2: all the #GdaHolder merged in @set are still used by @set_to_merge.
*/
void
gda_set_merge_with_set (GdaSet *set, GdaSet *set_to_merge)
{
GSList *holders;
g_return_if_fail (GDA_IS_SET (set));
g_return_if_fail (set_to_merge && GDA_IS_SET (set_to_merge));
for (holders = set_to_merge->holders; holders; holders = holders->next)
gda_set_real_add_holder (set, GDA_HOLDER (holders->data));
compute_public_data (set);
}
static void
set_remove_node (GdaSet *set, GdaSetNode *node)
{
g_return_if_fail (g_slist_find (set->nodes_list, node));
gda_set_node_free (node);
set->nodes_list = g_slist_remove (set->nodes_list, node);
}
static void
set_remove_source (GdaSet *set, GdaSetSource *source)
{
g_return_if_fail (g_slist_find (set->sources_list, source));
gda_set_source_free (source);
set->sources_list = g_slist_remove (set->sources_list, source);
}
/**
* gda_set_is_valid:
* @set: a #GdaSet object
* @error: (allow-none): a place to store validation errors, or %NULL
*
* This method tells if all @set's #GdaHolder objects are valid, and if
* they represent a valid combination of values, as defined by rules
* external to Libgda: the "validate-set" signal is emitted and if none of the signal handlers return an
* error, then the returned value is TRUE, otherwise the return value is FALSE as soon as a signal handler
* returns an error.
*
* Returns: TRUE if the set is valid
*/
gboolean
gda_set_is_valid (GdaSet *set, GError **error)
{
GSList *holders;
g_return_val_if_fail (GDA_IS_SET (set), FALSE);
g_return_val_if_fail (set->priv, FALSE);
for (holders = set->holders; holders; holders = holders->next) {
if (!gda_holder_is_valid (GDA_HOLDER (holders->data))) {
g_set_error (error, GDA_SET_ERROR, GDA_SET_INVALID_ERROR,
"%s", _("One or more values are invalid"));
return FALSE;
}
}
return _gda_set_validate (set, error);
}
gboolean
_gda_set_validate (GdaSet *set, GError **error)
{
/* signal the holder validate-set */
GError *lerror = NULL;
#ifdef GDA_DEBUG_signal
g_print (">> 'VALIDATE_SET' from %s\n", __FUNCTION__);
#endif
g_signal_emit (G_OBJECT (set), gda_set_signals[VALIDATE_SET], 0, &lerror);
#ifdef GDA_DEBUG_signal
g_print ("<< 'VALIDATE_SET' from %s\n", __FUNCTION__);
#endif
if (lerror) {
g_propagate_error (error, lerror);
return FALSE;
}
return TRUE;
}
/**
* gda_set_get_holder:
* @set: a #GdaSet object
* @holder_id: the ID of the requested value holder
*
* Finds a #GdaHolder using its ID
*
* Returns: (transfer none): the requested #GdaHolder or %NULL
*/
GdaHolder *
gda_set_get_holder (GdaSet *set, const gchar *holder_id)
{
g_return_val_if_fail (GDA_IS_SET (set), NULL);
g_return_val_if_fail (holder_id, NULL);
return (GdaHolder *) g_hash_table_lookup (set->priv->holders_hash, holder_id);
}
/**
* gda_set_get_nth_holder:
* @set: a #GdaSet object
* @pos: the position of the requested #GdaHolder, starting at %0
*
* Finds a #GdaHolder using its position
*
* Returns: (transfer none): the requested #GdaHolder or %NULL
*
* Since: 4.2
*/
GdaHolder *
gda_set_get_nth_holder (GdaSet *set, gint pos)
{
g_return_val_if_fail (GDA_IS_SET (set), NULL);
g_return_val_if_fail (pos >= 0, NULL);
if (! set->priv->holders_array) {
GSList *list;
set->priv->holders_array = g_array_sized_new (FALSE, FALSE, sizeof (GdaHolder*),
g_slist_length (set->holders));
for (list = set->holders; list; list = list->next)
g_array_append_val (set->priv->holders_array, list->data);
}
if ((guint)pos >= set->priv->holders_array->len)
return NULL;
else
return g_array_index (set->priv->holders_array, GdaHolder*, pos);
}
/**
* gda_set_get_node:
* @set: a #GdaSet object
* @holder: a #GdaHolder object
*
* Finds a #GdaSetNode holding information for @holder, don't modify the returned structure
*
* Returns: (transfer none): the requested #GdaSetNode or %NULL
*/
GdaSetNode *
gda_set_get_node (GdaSet *set, GdaHolder *holder)
{
GdaSetNode *retval = NULL;
GSList *list;
g_return_val_if_fail (GDA_IS_SET (set), NULL);
g_return_val_if_fail (set->priv, NULL);
g_return_val_if_fail (GDA_IS_HOLDER (holder), NULL);
/* FIXME: May is better to use holder's hash for better performance */
g_return_val_if_fail (g_slist_find (set->holders, holder), NULL);
for (list = set->nodes_list; list && !retval; list = list->next) {
GdaHolder *node_holder;
retval = GDA_SET_NODE (list->data);
node_holder = gda_set_node_get_holder (retval);
if (node_holder == holder) /* FIXME: May is better to compare holders ID */
break;
else
retval = NULL;
}
return retval;
}
/**
* gda_set_get_source:
* @set: a #GdaSet object
* @holder: a #GdaHolder object
*
* Finds a #GdaSetSource which contains the #GdaDataModel restricting the possible values of
* @holder, don't modify the returned structure.
*
* Returns: (transfer none): the requested #GdaSetSource or %NULL
*/
GdaSetSource *
gda_set_get_source (GdaSet *set, GdaHolder *holder)
{
GdaSetNode *node;
GdaDataModel *node_model;
node = gda_set_get_node (set, holder);
node_model = gda_set_node_get_data_model (node);
if (node && GDA_IS_DATA_MODEL (node_model))
return gda_set_get_source_for_model (set, node_model);
else
return NULL;
}
/**
* gda_set_get_group:
* @set: a #GdaSet object
* @holder: a #GdaHolder object
*
* Finds a #GdaSetGroup which lists a #GdaSetNode containing @holder,
* don't modify the returned structure.
*
* Returns: (transfer none): the requested #GdaSetGroup or %NULL
*/
GdaSetGroup *
gda_set_get_group (GdaSet *set, GdaHolder *holder)
{
GdaSetNode *node;
GdaSetGroup *retval = NULL;
GSList *list, *sublist;
GdaHolder *node_holder;
g_return_val_if_fail (GDA_IS_SET (set), NULL);
g_return_val_if_fail (set->priv, NULL);
g_return_val_if_fail (GDA_IS_HOLDER (holder), NULL);
/* FIXME: May is better to use holder's hash for better performance */
g_return_val_if_fail (g_slist_find (set->holders, holder), NULL);
for (list = set->groups_list; list && !retval; list = list->next) {
retval = GDA_SET_GROUP (list->data);
sublist = gda_set_group_get_nodes (retval);
while (sublist && !retval) {
node = GDA_SET_NODE (sublist->data);
if (node) {
node_holder = gda_set_node_get_holder (node);
if (node_holder == holder) /* FIXME: May is better to compare holders ID */
break;
else {
sublist = g_slist_next (sublist);
retval = NULL;
}
}
}
}
return retval;
}
/**
* gda_set_get_source_for_model:
* @set: a #GdaSet object
* @model: a #GdaDataModel object
*
* Finds the #GdaSetSource structure used in @set for which @model is a
* the data model (the returned structure should not be modified).
*
* Returns: (transfer none): the requested #GdaSetSource pointer or %NULL.
*/
GdaSetSource *
gda_set_get_source_for_model (GdaSet *set, GdaDataModel *model)
{
GdaSetSource *retval = NULL;
GdaDataModel *source_model;
GSList *list;
g_return_val_if_fail (GDA_IS_SET (set), NULL);
g_return_val_if_fail (set->priv, NULL);
g_return_val_if_fail (GDA_IS_DATA_MODEL (model), NULL);
list = set->sources_list;
while (list && !retval) {
retval = GDA_SET_SOURCE (list->data);
source_model = gda_set_source_get_data_model (retval);
if (GDA_IS_DATA_MODEL (source_model)) {
if (source_model == model)
break;
else
retval = NULL;
}
list = g_slist_next (list);
}
return retval;
}
/**
* gda_set_replace_source_model:
* @set: a #GdaSet object
* @source: a pointer to a #GdaSetSource in @set
* @model: a #GdaDataModel
*
* Replaces @source->data_model with @model, which must have the same
* characteristics as @source->data_model (same column types)
*
* Also for each #GdaHolder for which @source->data_model is a source model,
* this method calls gda_holder_set_source_model() with @model to replace
* the source by the new model
*
* Since: 4.2
*/
void
gda_set_replace_source_model (GdaSet *set, GdaSetSource *source, GdaDataModel *model)
{
GdaDataModel *source_model;
g_return_if_fail (GDA_IS_SET (set));
g_return_if_fail (source);
g_return_if_fail (g_slist_find (set->sources_list, source));
g_return_if_fail (GDA_IS_DATA_MODEL (model));
/* compare models */
gint ncols, i;
source_model = gda_set_source_get_data_model (source);
if (GDA_IS_DATA_MODEL (source_model)) {
ncols = gda_data_model_get_n_columns (source_model);
/* FIXME: This way to compare two Data Models could be useful as a function
* gda_data_model_compare (GdaDataModel)
**/
if (ncols != gda_data_model_get_n_columns (model)) {
g_warning (_("Replacing data model must have the same characteristics as the "
"data model it replaces"));
return;
}
for (i = 0; i < ncols; i++) {
GdaColumn *c1, *c2;
GType t1, t2;
c1 = gda_data_model_describe_column (source->data_model, i);
c2 = gda_data_model_describe_column (model, i);
t1 = gda_column_get_g_type (c1);
t2 = gda_column_get_g_type (c2);
if ((t1 != GDA_TYPE_NULL) && (t2 != GDA_TYPE_NULL) && (t1 != t2)) {
g_warning (_("Replacing data model must have the same characteristics as the "
"data model it replaces"));
return;
}
}
}
/* actually swap the models */
GSList *list;
gda_set_source_set_data_model (source, model);
for (list = gda_set_source_get_nodes (source); list; list = list->next) {
GdaSetNode *node = GDA_SET_NODE (list->data);
gda_set_node_set_data_model (node, model);
g_signal_handlers_block_by_func (G_OBJECT (node->holder),
G_CALLBACK (source_changed_holder_cb), set);
gda_holder_set_source_model (GDA_HOLDER (node->holder), model, node->source_column,
NULL);
g_signal_handlers_unblock_by_func (G_OBJECT (node->holder),
G_CALLBACK (source_changed_holder_cb), set);
}
#ifdef GDA_DEBUG_signal
g_print (">> 'SOURCE_MODEL_CHANGED' from %s\n", __FUNCTION__);
#endif
g_signal_emit (G_OBJECT (set), gda_set_signals[SOURCE_MODEL_CHANGED], 0, source);
#ifdef GDA_DEBUG_signal
g_print ("<< 'SOURCE_MODEL_CHANGED' from %s\n", __FUNCTION__);
#endif
}
#ifdef GDA_DEBUG_NO
static void holder_dump (GdaHolder *holder);
static void set_node_dump (GdaSetNode *node);
static void set_source_dump (GdaSetSource *source);
static void set_group_dump (GdaSetGroup *group);
static void
holder_dump (GdaHolder *holder)
{
g_print (" GdaHolder %p (%s)\n", holder, holder ? gda_holder_get_id (holder) : "---");
}
static void
set_source_dump (GdaSetSource *source)
{
g_print (" GdaSetSource %p\n", source);
if (source) {
g_print (" - data_model: %p\n", source->data_model);
GSList *list;
for (list = source->nodes; list; list = list->next)
g_print (" - node: %p\n", list->data);
}
}
static void
set_group_dump (GdaSetGroup *group)
{
g_print (" GdaSetGroup %p\n", group);
if (group) {
GSList *list;
for (list = gda_set_group_get_nodes (group); list; list = list->next)
g_print (" - node: %p\n", list->data);
g_print (" - GdaSetSource: %p\n", group->nodes_source);
}
}
static void
set_node_dump (GdaSetNode *node)
{
g_print (" GdaSetNode: %p\n", node);
g_print (" - holder: %p (%s)\n", node->holder, node->holder ? gda_holder_get_id (node->holder) : "ERROR : no GdaHolder!");
g_print (" - source_model: %p\n", node->source_model);
g_print (" - source_column: %d\n", node->source_column);
}
void
gda_set_dump (GdaSet *set)
{
g_print ("=== GdaSet %p ===\n", set);
g_slist_foreach (set->holders, (GFunc) holder_dump, NULL);
g_slist_foreach (set->nodes_list, (GFunc) set_node_dump, NULL);
g_slist_foreach (set->sources_list, (GFunc) set_source_dump, NULL);
g_slist_foreach (set->groups_list, (GFunc) set_group_dump, NULL);
g_print ("=== GdaSet %p END ===\n", set);
}
#endif
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