/* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
/*
 *  Copyright (C) 2011  Ruby-GNOME2 Project Team
 *  Copyright (C) 2003, 2004 Laurent Sansonetti <lrz@gnome.org>
 *
 *  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 2.1 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 Street, Fifth Floor, Boston,
 *  MA  02110-1301  USA
 */

#include "rbgst-private.h"

#define RG_TARGET_NAMESPACE cIndexEntry

/* Class: Gst::IndexEntry
 * An index's entry. 
 */

/*
 * Method: data
 *
 * Gets the internal data stored in the entry.  The data depends of the type
 * of the entry:
 *  * Gst::IndexEntry::ID: the description of the ID, as a String. 
 *  * Gst::IndexEntry::ASSOCIATION: an Array that contains the number of associations, a Gst::Format, the value of the format and the association flags (see Gst::Index::AssocFlags).
 *  * Gst::IndexEntry::FORMAT: an Array that contains a Gst::Format and its value.
 *  * Gst::IndexEntry::OBJECt: not yet implemented.
 *
 * Returns: the internal data of the entry. 
 */
static VALUE
rg_data (VALUE self)
{
    GstIndexEntry *entry;
    VALUE data;

    entry = RGST_INDEX_ENTRY (self);
    switch (entry->type) {
    case GST_INDEX_ENTRY_ID:
        data = CSTR2RVAL (entry->data.id.description);
        break;

    case GST_INDEX_ENTRY_ASSOCIATION:
        data = rb_ary_new ();
        rb_ary_push (data, INT2FIX (entry->data.assoc.nassocs));
        rb_ary_push (data, RGST_FORMAT_NEW (entry->data.assoc.assocs->format));
        rb_ary_push (data, ULL2NUM (entry->data.assoc.assocs->value));
        rb_ary_push (data,
                     GFLAGS2RVAL (entry->data.assoc.flags,
                                  GST_TYPE_ASSOC_FLAGS));
        break;

    case GST_INDEX_ENTRY_FORMAT:
        data = rb_ary_new ();
        rb_ary_push (data, RGST_FORMAT_NEW (entry->data.format.format));
        rb_ary_push (data, CSTR2RVAL (entry->data.format.key));
        break;

    case GST_INDEX_ENTRY_OBJECT:   /* TODO */
    default:
        data = Qnil;
    }
    return data;
}

/* Method: entry_type
 * Returns: the type of the entry (see Gst::IndexEntry::Types).
 */
static VALUE
rg_entry_type (VALUE self)
{
    GstIndexEntry *entry = RGST_INDEX_ENTRY (self);

    return GENUM2RVAL (entry->type, GST_TYPE_INDEX_ENTRY_TYPE);
}

void
Init_gst_indexentry (VALUE mGst)
{
    VALUE RG_TARGET_NAMESPACE = G_DEF_CLASS (GST_TYPE_INDEX_ENTRY, "IndexEntry", mGst);

    rb_undef_method (RG_TARGET_NAMESPACE, "initialize");
    RG_DEF_METHOD(data, 0);
    RG_DEF_METHOD(entry_type, 0);

    G_DEF_CLASS (GST_TYPE_INDEX_ENTRY_TYPE, "Types", RG_TARGET_NAMESPACE);
    G_DEF_CONSTANTS (RG_TARGET_NAMESPACE, GST_TYPE_INDEX_ENTRY_TYPE, "GST_INDEX_ENTRY_");
}