path: root/filter/filter-context.c

/*
 *  Copyright (C) 2000 Ximian Inc.
 *
 *  Authors: Not Zed <notzed@lostzed.mmc.com.au>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

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

#include <gtk/gtktypeutils.h>
#include <gtk/gtkobject.h>

#include "filter-context.h"
#include "filter-filter.h"

#define d(x)

static void filter_context_class_init   (FilterContextClass *class);
static void filter_context_init (FilterContext *gspaper);
static void filter_context_finalise (GtkObject *obj);

#define _PRIVATE(x) (((FilterContext *)(x))->priv)

struct _FilterContextPrivate {
};

static RuleContextClass *parent_class;

enum {
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };

guint
filter_context_get_type (void)
{
    static guint type = 0;
    
    if (!type) {
        GtkTypeInfo type_info = {
            "FilterContext",
            sizeof(FilterContext),
            sizeof(FilterContextClass),
            (GtkClassInitFunc)filter_context_class_init,
            (GtkObjectInitFunc)filter_context_init,
            (GtkArgSetFunc)NULL,
            (GtkArgGetFunc)NULL
        };
        
        type = gtk_type_unique(rule_context_get_type (), &type_info);
    }
    
    return type;
}

static void
filter_context_class_init (FilterContextClass *class)
{
    GtkObjectClass *object_class;
    
    object_class = (GtkObjectClass *)class;
    parent_class = gtk_type_class(rule_context_get_type ());

    object_class->finalize = filter_context_finalise;
    /* override methods */

    /* signals */

    gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL);
}

static void
filter_context_init (FilterContext *o)
{
    o->priv = g_malloc0(sizeof(*o->priv));

    rule_context_add_part_set((RuleContext *)o, "partset", filter_part_get_type(),
                  rule_context_add_part, rule_context_next_part);
    rule_context_add_part_set((RuleContext *)o, "actionset", filter_part_get_type(),
                  (RCPartFunc)filter_context_add_action,
                  (RCNextPartFunc)filter_context_next_action);

    rule_context_add_rule_set((RuleContext *)o, "ruleset", filter_filter_get_type(),
                  (RCRuleFunc)rule_context_add_rule, rule_context_next_rule);
}

static void
filter_context_finalise(GtkObject *obj)
{
    FilterContext *o = (FilterContext *)obj;

    g_list_foreach(o->actions, (GFunc)gtk_object_unref, NULL);
    g_list_free(o->actions);

        ((GtkObjectClass *)(parent_class))->finalize(obj);
}

/**
 * filter_context_new:
 *
 * Create a new FilterContext object.
 * 
 * Return value: A new #FilterContext object.
 **/
FilterContext *
filter_context_new(void)
{
    FilterContext *o = (FilterContext *)gtk_type_new(filter_context_get_type ());
    return o;
}

void filter_context_add_action(FilterContext *f, FilterPart *action)
{
    d(printf("find action : "));
    f->actions = g_list_append(f->actions, action);
}

FilterPart *filter_context_find_action(FilterContext *f, const char *name)
{
    d(printf("find action : "));
    return filter_part_find_list(f->actions, name);
}

FilterPart  *filter_context_create_action(FilterContext *f, const char *name)
{
    FilterPart *part;

    part = filter_context_find_action(f, name);
    if (part)
        part = filter_part_clone(part);
    return part;
}

FilterPart  *filter_context_next_action(FilterContext *f, FilterPart *last)
{
    return filter_part_next_list(f->actions, last);
}