Logo Search packages:      
Sourcecode: file-roller version File versions  Download package

bookmarks.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/*
 *  File-Roller
 *
 *  Copyright (C) 2001 The Free Software Foundation, Inc.
 *
 *  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 Street #330, Boston, MA 02111-1307, USA.
 */

#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>

#include "bookmarks.h"
#include "glib-utils.h"
#include "file-utils.h"


Bookmarks *
bookmarks_new (gchar *rc_filename)
{
      Bookmarks *bookmarks;

      g_return_val_if_fail (rc_filename != NULL, NULL);

      bookmarks = g_new (Bookmarks, 1);
      bookmarks->list = NULL;
      bookmarks->rc_filename = g_strdup (rc_filename);
      bookmarks->max_lines = 50;

      return bookmarks;
}


static void
bookmarks_free_data (Bookmarks *bookmarks)
{
      if (bookmarks->list != NULL) {
            path_list_free (bookmarks->list);
            bookmarks->list = NULL;
      }
}


void
bookmarks_free (Bookmarks *bookmarks)
{
      g_return_if_fail (bookmarks != NULL);

      bookmarks_free_data (bookmarks);

      if (bookmarks->rc_filename != NULL)
            g_free (bookmarks->rc_filename);

      g_free (bookmarks);
}


void
bookmarks_add (Bookmarks   *bookmarks,
             const gchar *path)
{
      GList *scan;

      g_return_if_fail (bookmarks != NULL);
      g_return_if_fail (path != NULL);    

      for (scan = bookmarks->list; scan; scan = scan->next) 
            if (strcmp (path, scan->data) == 0) 
                  return;

      bookmarks->list = g_list_prepend (bookmarks->list, g_strdup (path));
}


void
bookmarks_remove (Bookmarks *bookmarks,
              const gchar *path)
{
      GList *link;

      g_return_if_fail (bookmarks != NULL);
      g_return_if_fail (path != NULL);    

      link = bookmarks->list;
      while (link) {
            if (strcmp ((gchar*) link->data, path) == 0)
                  break;
            link = link->next;
      }
      if (link == NULL)
            return;

      bookmarks->list = g_list_remove_link (bookmarks->list, link);

      g_free (link->data);
      g_list_free (link);
}


#define MAX_LINE_LENGTH 4096
void
bookmarks_load_from_disk (Bookmarks *bookmarks)
{
      gchar  line [MAX_LINE_LENGTH];
      gchar *path;
      FILE  *f;

      g_return_if_fail (bookmarks != NULL);

      bookmarks_free_data (bookmarks);

      path = get_home_relative_dir (bookmarks->rc_filename);

      f = fopen (path, "r");
      g_free (path);

      if (!f)     return;

      while (fgets (line, sizeof (line), f)) {
            gchar *path;

            if (line[0] != '"')
                  continue;

            line[strlen (line) - 2] = 0;
            path = line + 1;

            bookmarks->list = g_list_prepend (bookmarks->list, 
                                      g_strdup (path));
      }
      bookmarks->list = g_list_reverse (bookmarks->list);
      fclose (f);
}
#undef MAX_LINE_LENGTH  


void
bookmarks_write_to_disk (Bookmarks *bookmarks)
{
      FILE  *f;
      gchar *path;
      GList *scan;
      gint   lines;

      g_return_if_fail (bookmarks != NULL);

      path = get_home_relative_dir (bookmarks->rc_filename);

      f = fopen (path, "w+");
      g_free (path);
      
      if (!f)     {
            debug (DEBUG_INFO, "ERROR opening bookmark file\n");
            return;
      }

      /* write the file list. */
      lines = 0;
      scan = bookmarks->list;
      while ((lines < bookmarks->max_lines) && scan) {
            if (! fprintf (f, "\"%s\"\n", (gchar*) scan->data)) {
                  debug (DEBUG_INFO, "ERROR saving to bookmark file\n");
                  fclose (f);
                  return;
            }
            lines++;
            scan = scan->next;
      }
      fclose (f);
}


void
bookmarks_set_max_lines (Bookmarks *bookmarks,
                   gint max_lines)
{
      g_return_if_fail (bookmarks != NULL);
      bookmarks->max_lines = max_lines;
}

Generated by  Doxygen 1.6.0   Back to index