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/*
 *
 * This program 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) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Authors:
 *      Not Zed <notzed@lostzed.mmc.com.au>
 *      Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>

#include "em-search-context.h"
#include "filter/filter-rule.h"
#include "filter/filter-option.h"
#include "filter/filter-int.h"

static gpointer parent_class;

static FilterElement *
search_context_new_element (RuleContext *context,
                            const gchar *type)
{
    if (strcmp (type, "system-flag") == 0)
        return (FilterElement *) filter_option_new ();

    if (strcmp (type, "score") == 0)
        return (FilterElement *) filter_int_new_type ("score", -3, 3);

    /* Chain up to parent's new_element() method. */
    return RULE_CONTEXT_CLASS (parent_class)->new_element (context, type);
}

static void
search_context_class_init (EMSearchContextClass *class)
{
    RuleContextClass *rule_context_class;

    parent_class = g_type_class_peek_parent (class);

    rule_context_class = RULE_CONTEXT_CLASS (class);
    rule_context_class->new_element = search_context_new_element;
}

static void
search_context_init (EMSearchContext *vc)
{
    RuleContext *rule_context;

    rule_context = RULE_CONTEXT (vc);
    rule_context->flags = RULE_CONTEXT_THREADING | RULE_CONTEXT_GROUPING;
}

GType
em_search_context_get_type (void)
{
    static GType type = 0;

    if (G_UNLIKELY (type == 0)) {
        static const GTypeInfo type_info = {
            sizeof (EMSearchContextClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) search_context_class_init,
            (GClassFinalizeFunc) NULL,
            NULL,  /* class_data */
            sizeof (EMSearchContext),
            0,     /* n_preallocs */
            (GInstanceInitFunc) search_context_init,
            NULL   /* value_table */
        };

        type = g_type_register_static (
            RULE_TYPE_CONTEXT, "EMSearchContext", &type_info, 0);
    }

    return type;
}

RuleContext *
em_search_context_new (void)
{
    return g_object_new (EM_SEARCH_TYPE_CONTEXT, NULL);
}