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dh-book.c
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dh-book.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2002 CodeFactory AB
* Copyright (C) 2002 Mikael Hallendal <micke@imendio.com>
* Copyright (C) 2004-2008 Imendio AB
* Copyright (C) 2010 Lanedo GmbH
*
* 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 2 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include "dh-link.h"
#include "dh-parser.h"
#include "dh-book.h"
/* Structure defining basic contents to store about every book */
typedef struct {
/* File path of the book */
gchar *path;
/* Enable or disabled? */
gboolean enabled;
/* Book name */
gchar *name;
/* Book title */
gchar *title;
/* Generated book tree */
GNode *tree;
/* Generated list of keywords in the book */
GList *keywords;
} DhBookPriv;
G_DEFINE_TYPE (DhBook, dh_book, G_TYPE_OBJECT);
#define GET_PRIVATE(instance) G_TYPE_INSTANCE_GET_PRIVATE \
(instance, DH_TYPE_BOOK, DhBookPriv)
static void dh_book_init (DhBook *book);
static void dh_book_class_init (DhBookClass *klass);
static void unref_node_link (GNode *node,
gpointer data);
static void
book_finalize (GObject *object)
{
DhBookPriv *priv;
priv = GET_PRIVATE (object);
if (priv->tree) {
g_node_traverse (priv->tree,
G_IN_ORDER,
G_TRAVERSE_ALL,
-1,
(GNodeTraverseFunc)unref_node_link,
NULL);
g_node_destroy (priv->tree);
}
if (priv->keywords) {
g_list_foreach (priv->keywords, (GFunc)dh_link_unref, NULL);
g_list_free (priv->keywords);
}
g_free (priv->title);
g_free (priv->path);
G_OBJECT_CLASS (dh_book_parent_class)->finalize (object);
}
static void
dh_book_class_init (DhBookClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = book_finalize;
g_type_class_add_private (klass, sizeof (DhBookPriv));
}
static void
dh_book_init (DhBook *book)
{
DhBookPriv *priv = GET_PRIVATE (book);
priv->name = NULL;
priv->path = NULL;
priv->title = NULL;
priv->enabled = TRUE;
priv->tree = NULL;
priv->keywords = NULL;
}
static void
unref_node_link (GNode *node,
gpointer data)
{
dh_link_unref (node->data);
}
DhBook *
dh_book_new (const gchar *book_path)
{
DhBookPriv *priv;
DhBook *book;
GError *error = NULL;
g_return_val_if_fail (book_path, NULL);
book = g_object_new (DH_TYPE_BOOK, NULL);
priv = GET_PRIVATE (book);
/* Parse file storing contents in the book struct */
if (!dh_parser_read_file (book_path,
&priv->tree,
&priv->keywords,
&error)) {
g_warning ("Failed to read '%s': %s",
priv->path, error->message);
g_error_free (error);
/* Deallocate the book, as we are not going to add it
* in the manager */
g_object_unref (book);
return NULL;
}
/* Store path */
priv->path = g_strdup (book_path);
/* Setup title */
priv->title = g_strdup (dh_link_get_name ((DhLink *)priv->tree->data));
/* Setup name */
priv->name = g_strdup (dh_link_get_book_id ((DhLink *)priv->tree->data));
return book;
}
GList *
dh_book_get_keywords (DhBook *book)
{
DhBookPriv *priv;
g_return_val_if_fail (DH_IS_BOOK (book), NULL);
priv = GET_PRIVATE (book);
return priv->enabled ? priv->keywords : NULL;
}
GNode *
dh_book_get_tree (DhBook *book)
{
DhBookPriv *priv;
g_return_val_if_fail (DH_IS_BOOK (book), NULL);
priv = GET_PRIVATE (book);
return priv->enabled ? priv->tree : NULL;
}
const gchar *
dh_book_get_name (DhBook *book)
{
DhBookPriv *priv;
g_return_val_if_fail (DH_IS_BOOK (book), NULL);
priv = GET_PRIVATE (book);
return priv->name;
}
const gchar *
dh_book_get_title (DhBook *book)
{
DhBookPriv *priv;
g_return_val_if_fail (DH_IS_BOOK (book), NULL);
priv = GET_PRIVATE (book);
return priv->title;
}
gboolean
dh_book_get_enabled (DhBook *book)
{
g_return_val_if_fail (DH_IS_BOOK (book), FALSE);
return GET_PRIVATE (book)->enabled;
}
void
dh_book_set_enabled (DhBook *book,
gboolean enabled)
{
g_return_if_fail (DH_IS_BOOK (book));
GET_PRIVATE (book)->enabled = enabled;
}
gint
dh_book_cmp_by_path (const DhBook *a,
const DhBook *b)
{
return ((a && b) ?
g_strcmp0 (GET_PRIVATE (a)->path, GET_PRIVATE (b)->path) :
-1);
}
gint
dh_book_cmp_by_name (const DhBook *a,
const DhBook *b)
{
return ((a && b) ?
g_ascii_strcasecmp (GET_PRIVATE (a)->name, GET_PRIVATE (b)->name) :
-1);
}
gint
dh_book_cmp_by_title (const DhBook *a,
const DhBook *b)
{
return ((a && b) ?
g_utf8_collate (GET_PRIVATE (a)->title, GET_PRIVATE (b)->title) :
-1);
}