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/* font-manager-database-iterator.c
*
* Copyright (C) 2009-2024 Jerry Casiano
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program.
*
* If not, see <http://www.gnu.org/licenses/gpl-3.0.txt>.
*/
#include "font-manager-database-iterator.h"
/**
* SECTION: font-manager-database-iterator
* @short_description: Database iterator
* @title: Database
* @include: font-manager-database-iterator.h
*
* Make looping through database results more convenient
*/
struct _FontManagerDatabaseIterator
{
GObjectClass parent_class;
FontManagerDatabase *db;
};
G_DEFINE_TYPE(FontManagerDatabaseIterator, font_manager_database_iterator, G_TYPE_OBJECT)
/**
* font_manager_database_iterator:
* @db: #FontManagerDatabase
*
* Returns: (transfer full): #FontManagerDatabaseIterator.
* Free the return object using g_object_unref().
*/
FontManagerDatabaseIterator *
font_manager_database_iterator (FontManagerDatabase *db)
{
return font_manager_database_iterator_new(db);
}
static void
font_manager_database_iterator_dispose (GObject *gobject)
{
g_return_if_fail(gobject != NULL);
FontManagerDatabaseIterator *self = FONT_MANAGER_DATABASE_ITERATOR(gobject);
g_clear_object(&self->db);
G_OBJECT_CLASS(font_manager_database_iterator_parent_class)->dispose(gobject);
return;
}
static void
font_manager_database_iterator_class_init (FontManagerDatabaseIteratorClass *klass)
{
G_OBJECT_CLASS(klass)->dispose = font_manager_database_iterator_dispose;
return;
}
static void
font_manager_database_iterator_init (G_GNUC_UNUSED FontManagerDatabaseIterator *self)
{
return;
}
/**
* font_manager_database_iterator_next:
* @self: #FontManagerDatabase
*
* Returns: %TRUE if there are more results in set
*/
gboolean
font_manager_database_iterator_next (FontManagerDatabaseIterator *self)
{
g_return_val_if_fail(self != NULL, FALSE);
g_return_val_if_fail(self->db != NULL, FALSE);
sqlite3_stmt *stmt = font_manager_database_get_cursor(self->db);
return (sqlite3_step(stmt) == SQLITE_ROW);
}
/**
* font_manager_database_iterator_get: (skip)
* @self: #FontManagerDatabase
*
* Returns: (transfer none): #sqlite3_stmt
*/
sqlite3_stmt *
font_manager_database_iterator_get (FontManagerDatabaseIterator *self)
{
g_return_val_if_fail(self != NULL, NULL);
return font_manager_database_get_cursor(self->db);
}
/**
* font_manager_database_iterator_new:
* @db: #FontManagerDatabase
*
* Returns: (transfer full): A newly created #FontManagerDatabaseIterator.
* Free the returned object using g_object_unref().
*/
FontManagerDatabaseIterator *
font_manager_database_iterator_new (FontManagerDatabase *db)
{
g_return_val_if_fail(db != NULL, NULL);
GObject *gobject = g_object_new(FONT_MANAGER_TYPE_DATABASE_ITERATOR, NULL);
FontManagerDatabaseIterator *self = FONT_MANAGER_DATABASE_ITERATOR(gobject);
self->db = g_object_ref(db);
return self;
}
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