gtk2/gtk/gtkbitmaskprivateimpl.h
2015-02-19 14:46:32 +01:00

168 lines
4.5 KiB
C

/*
* Copyright © 2011 Red Hat Inc.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
static inline GtkBitmask *
_gtk_bitmask_new (void)
{
return _gtk_bitmask_from_bits (0);
}
static inline GtkBitmask *
_gtk_bitmask_copy (const GtkBitmask *mask)
{
if (_gtk_bitmask_is_allocated (mask))
return _gtk_allocated_bitmask_copy (mask);
else
return (GtkBitmask *) mask;
}
static inline void
_gtk_bitmask_free (GtkBitmask *mask)
{
if (_gtk_bitmask_is_allocated (mask))
_gtk_allocated_bitmask_free (mask);
}
static inline char *
_gtk_bitmask_to_string (const GtkBitmask *mask)
{
GString *string;
string = g_string_new (NULL);
_gtk_allocated_bitmask_print (mask, string);
return g_string_free (string, FALSE);
}
static inline void
_gtk_bitmask_print (const GtkBitmask *mask,
GString *string)
{
_gtk_allocated_bitmask_print (mask, string);
}
static inline GtkBitmask *
_gtk_bitmask_intersect (GtkBitmask *mask,
const GtkBitmask *other)
{
return _gtk_allocated_bitmask_intersect (mask, other);
}
static inline GtkBitmask *
_gtk_bitmask_union (GtkBitmask *mask,
const GtkBitmask *other)
{
if (_gtk_bitmask_is_allocated (mask) ||
_gtk_bitmask_is_allocated (other))
return _gtk_allocated_bitmask_union (mask, other);
else
return _gtk_bitmask_from_bits (_gtk_bitmask_to_bits (mask)
| _gtk_bitmask_to_bits (other));
}
static inline GtkBitmask *
_gtk_bitmask_subtract (GtkBitmask *mask,
const GtkBitmask *other)
{
return _gtk_allocated_bitmask_subtract (mask, other);
}
static inline gboolean
_gtk_bitmask_get (const GtkBitmask *mask,
guint index_)
{
if (_gtk_bitmask_is_allocated (mask))
return _gtk_allocated_bitmask_get (mask, index_);
else
return index_ < GTK_BITMASK_N_DIRECT_BITS
? !!(_gtk_bitmask_to_bits (mask) & (((size_t) 1) << index_))
: FALSE;
}
static inline GtkBitmask *
_gtk_bitmask_set (GtkBitmask *mask,
guint index_,
gboolean value)
{
if (_gtk_bitmask_is_allocated (mask) ||
(index_ >= GTK_BITMASK_N_DIRECT_BITS && value))
return _gtk_allocated_bitmask_set (mask, index_, value);
else if (index_ < GTK_BITMASK_N_DIRECT_BITS)
{
gsize bits = _gtk_bitmask_to_bits (mask);
if (value)
bits |= ((size_t) 1) << index_;
else
bits &= ~(((size_t) 1) << index_);
return _gtk_bitmask_from_bits (bits);
}
else
return mask;
}
static inline GtkBitmask *
_gtk_bitmask_invert_range (GtkBitmask *mask,
guint start,
guint end)
{
if (_gtk_bitmask_is_allocated (mask) ||
(end > GTK_BITMASK_N_DIRECT_BITS))
return _gtk_allocated_bitmask_invert_range (mask, start, end);
else
{
size_t invert = (((size_t) 1) << end) - (((size_t) 1) << start);
return _gtk_bitmask_from_bits (_gtk_bitmask_to_bits (mask) ^ invert);
}
}
static inline gboolean
_gtk_bitmask_is_empty (const GtkBitmask *mask)
{
return mask == _gtk_bitmask_from_bits (0);
}
static inline gboolean
_gtk_bitmask_equals (const GtkBitmask *mask,
const GtkBitmask *other)
{
if (mask == other)
return TRUE;
if (!_gtk_bitmask_is_allocated (mask) ||
!_gtk_bitmask_is_allocated (other))
return FALSE;
return _gtk_allocated_bitmask_equals (mask, other);
}
static inline gboolean
_gtk_bitmask_intersects (const GtkBitmask *mask,
const GtkBitmask *other)
{
if (_gtk_bitmask_is_allocated (mask) ||
_gtk_bitmask_is_allocated (other))
return _gtk_allocated_bitmask_intersects (mask, other);
else
return _gtk_bitmask_to_bits (mask) & _gtk_bitmask_to_bits (other) ? TRUE : FALSE;
}