Actualizado con los ultimos cambio locales del proyecto subversion
This commit is contained in:
Juan Ferrer Toribio
parent
d23042fc1c
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beeb26a19e
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/*
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* Copyright (C) 2012 - Juan Ferrer Toribio
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "sql-batch.h"
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#include "sql-value.h"
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/**
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* SECTION: sql_batch
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* @Short_description: represents an SQL statement or a part of it
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* @Title: SqlBatch
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*
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* The #SqlBatch is the base class for all objects in SqlLib.
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**/
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G_DEFINE_ABSTRACT_TYPE (SqlBatch, sql_batch, G_TYPE_INITIALLY_UNOWNED);
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enum {
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CHANGED
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,LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = {0};
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
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static void sql_batch_child_changed (SqlBatch * child, SqlBatch * obj)
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{
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sql_batch_changed (obj);
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Public
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/**
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* sql_batch_is_ready:
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* @obj: a #SqlBatch
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*
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* Checks if @obj and all of its elemens are ready to be rendered.
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*
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* Return value: %TRUE if ready, %FALSE otherwise.
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**/
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gboolean sql_batch_is_ready (SqlBatch * obj)
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{
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SqlBatchClass * klass = SQL_BATCH_GET_CLASS (obj);
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g_return_val_if_fail (SQL_IS_BATCH (obj), FALSE);
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if (obj->items)
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{
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GList * i;
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GList * items = g_hash_table_get_values (obj->items);
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gboolean is_ready = TRUE;
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for (i = items; i; i = i->next)
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if (!sql_object_is_ready (i->data))
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{
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is_ready = FALSE;
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break;
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}
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g_list_free (items);
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if (!is_ready)
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return FALSE;
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}
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return TRUE;
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}
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/**
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* sql_batch_add:
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* @obj: a #SqlBatch
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* @id: the id of the #SqlHolder
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* @held_object: the held object
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*
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* Adds a held object.
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**/
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void sql_batch_add (SqlBatch * obj, const gchar * id, SqlObject * held_object)
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{
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g_return_if_fail (SQL_IS_BATCH (obj));
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g_return_if_fail (id);
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if (!obj->held_objects)
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obj->held_objects = g_hash_table_new_full (
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g_str_hash
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,g_str_equal
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,g_free
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,g_object_unref
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);
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g_signal_connect (held_object, "changed",
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G_CALLBACK (sql_batch_child_changed), obj
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);
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g_hash_table_replace (obj->held_objects,
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g_strdup (id), g_object_ref_sink (held_object));
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}
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/**
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* sql_batch_get:
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* @obj: a #SqlBatch
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* @id: the id of the #SqlHolder
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*
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* Gets a held object by its id.
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*
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* Return value: the #SqlObject if an object with that id exists, %NULL otherwise
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**/
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SqlObject * sql_batch_get (SqlBatch * obj, const gchar * id)
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{
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g_return_val_if_fail (SQL_IS_BATCH (obj), NULL);
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g_return_val_if_fail (id, NULL);
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if (obj->held_objects)
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return g_hash_table_lookup (obj->held_objects, id);
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return NULL;
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}
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/**
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* sql_batch_add_from_param:
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* @obj: the #SqlString
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* @id: the id assigned to the item
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**/
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void sql_batch_add_from_param (SqlBatch * obj, const gchar * id, GvnParam * param)
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{
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g_return_if_fail (SQL_IS_BATCH (obj));
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g_return_if_fail (id);
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g_return_if_fail (GVN_IS_PARAM (param));
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SqlObject * value = sql_value_new ();
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sql_value_set_param (SQL_VALUE (value), param);
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sql_batch_add (obj, id, value);
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g_object_unref (value);
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}
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/**
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* sql_batch_add_from_value:
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* @obj: the #SqlString
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* @id: the id assigned to the item
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**/
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void sql_batch_add_from_value (SqlBatch * obj, const gchar * id, GType type, gpointer content)
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{
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g_return_if_fail (SQL_IS_BATCH (obj));
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g_return_if_fail (id);
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GValue gvalue = {0};
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SqlObject * value;
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gvn_value_new_with_content (&gvalue, type, content);
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value = sql_value_new ();
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sql_value_set_value (SQL_VALUE (value), &gvalue);
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sql_batch_add (obj, id, value);
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g_object_unref (value);
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g_value_unset (&gvalue);
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}
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/**
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* sql_batch_changed:
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* @obj: a #SqlBatch
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*
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* Emits the changed signal on #SqlBatch.
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**/
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void sql_batch_changed (SqlBatch * obj)
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{
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g_signal_emit (obj, signals[CHANGED], 0);
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Class
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static void sql_batch_init (SqlBatch * obj)
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{
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obj->items = NULL;
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}
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static void sql_batch_finalize (SqlBatch * obj)
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{
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if (obj->items)
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g_hash_table_destroy (obj->items);
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G_OBJECT_CLASS (sql_batch_parent_class)->finalize (G_OBJECT (obj));
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}
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static void sql_batch_class_init (SqlBatchClass * klass)
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{
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G_OBJECT_CLASS (klass)->finalize = (GObjectFinalizeFunc) sql_batch_finalize;
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/**
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* SqlBatch::changed:
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* @obj: the object which emit the signal.
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*
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* This signal is emitted every time the batch or one of its attributes
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* is modified.
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*/
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signals[CHANGED] = g_signal_new ("changed", SQL_TYPE_BATCH,
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G_SIGNAL_RUN_FIRST, 0, NULL, NULL,
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g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0
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);
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}
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@ -0,0 +1,51 @@
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/*
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* Copyright (C) 2013 - Juan Ferrer Toribio
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SQL_BATCH_H
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#define SQL_BATCH_H
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#include "sql-object.h"
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#define SQL_TYPE_BATCH (sql_batch_get_type ())
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#define SQL_BATCH(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, SQL_TYPE_BATCH, SqlBatch))
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#define SQL_IS_BATCH(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, SQL_TYPE_BATCH))
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#define SQL_BATCH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST (klass, SQL_TYPE_BATCH, SqlBatchClass))
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#define SQL_BATCH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS (obj, SQL_TYPE_BATCH, SqlBatchClass))
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typedef struct _SqlBatch SqlBatch;
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typedef struct _SqlBatchClass SqlBatchClass;
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struct _SqlBatch
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{
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GInitiallyUnowned parent;
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GHashTable * items;
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};
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struct _SqlBatchClass
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{
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/* <private> */
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GInitiallyUnownedClass parent;
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};
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GType sql_batch_get_type ();
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gboolean sql_batch_is_ready (SqlBatch * obj);
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void sql_batch_add (SqlBatch * obj, const gchar * id, SqlObject * held_object);
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SqlObject * sql_batch_get (SqlBatch * obj, const gchar * id);
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void sql_batch_add_from_param (SqlBatch * obj, const gchar * id, GvnParam * param);
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void sql_batch_add_from_value (SqlBatch * obj, const gchar * id, GType type, gpointer content);
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#endif
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