GtkSharp/glib/ValueArray.cs
Mike Kestner 7f3171c814 merge to HEAD of jeroen and friends' work on the 2-4 branch. HEAD
is now tracking Gnome 2.6.

svn path=/trunk/gtk-sharp/; revision=35479
2004-10-29 20:33:07 +00:00

211 lines
4.6 KiB
C#

// ValueArray.cs - ValueArray wrapper implementation
//
// Authors: Mike Kestner <mkestner@ximian.com>
//
// Copyright (c) 2003 Novell, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser 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.
namespace GLib {
using System;
using System.Collections;
using System.Runtime.InteropServices;
public class ValueArray : IDisposable, ICollection, ICloneable, IWrapper {
private IntPtr handle = IntPtr.Zero;
[DllImport("libgobject-2.0-0.dll")]
static extern IntPtr g_value_array_new (uint n_preallocs);
public ValueArray (uint n_preallocs)
{
handle = g_value_array_new (n_preallocs);
}
internal ValueArray (IntPtr raw)
{
handle = raw;
}
~ValueArray ()
{
Dispose (false);
}
// IDisposable
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
[DllImport("libgobject-2.0-0.dll")]
static extern void g_value_array_free (IntPtr raw);
void Dispose (bool disposing)
{
if (Handle == IntPtr.Zero)
return;
g_value_array_free (Handle);
handle = IntPtr.Zero;
}
public IntPtr Handle {
get {
return handle;
}
}
[DllImport("glibsharpglue-2.0")]
static extern IntPtr gtksharp_value_array_get_array (IntPtr raw);
public IntPtr ArrayPtr {
get {
return gtksharp_value_array_get_array (Handle);
}
}
[DllImport("libgobject-2.0-0.dll")]
static extern void g_value_array_append (IntPtr raw, ref GLib.Value val);
public void Append (GLib.Value val)
{
g_value_array_append (Handle, ref val);
}
[DllImport("libgobject-2.0-0.dll")]
static extern void g_value_array_insert (IntPtr raw, uint idx, ref GLib.Value val);
public void Insert (uint idx, GLib.Value val)
{
g_value_array_insert (Handle, idx, ref val);
}
[DllImport("libgobject-2.0-0.dll")]
static extern void g_value_array_prepend (IntPtr raw, ref GLib.Value val);
public void Prepend (GLib.Value val)
{
g_value_array_prepend (Handle, ref val);
}
[DllImport("libgobject-2.0-0.dll")]
static extern void g_value_array_remove (IntPtr raw, uint idx);
public void Remove (uint idx)
{
g_value_array_remove (Handle, idx);
}
[DllImport("glibsharpglue-2.0")]
static extern int gtksharp_value_array_get_count (IntPtr raw);
// ICollection
public int Count {
get {
return gtksharp_value_array_get_count (Handle);
}
}
[DllImport("libgobject-2.0-0.dll")]
static extern IntPtr g_value_array_get_nth (IntPtr raw, uint idx);
public object this [int index] {
get {
GLib.Value val = Value.Empty;
Marshal.PtrToStructure (g_value_array_get_nth (Handle, (uint) index), val);
return val;
}
}
// Synchronization could be tricky here. Hmm.
public bool IsSynchronized {
get { return false; }
}
public object SyncRoot {
get { return null; }
}
public void CopyTo (Array array, int index)
{
if (array == null)
throw new ArgumentNullException ("Array can't be null.");
if (index < 0)
throw new ArgumentOutOfRangeException ("Index must be greater than 0.");
if (index + Count < array.Length)
throw new ArgumentException ("Array not large enough to copy into starting at index.");
for (int i = 0; i < Count; i++)
((IList) array) [index + i] = this [i];
}
private class ListEnumerator : IEnumerator
{
private int current = -1;
private ValueArray vals;
public ListEnumerator (ValueArray vals)
{
this.vals = vals;
}
public object Current {
get {
if (current == -1)
return null;
return vals [current];
}
}
public bool MoveNext ()
{
if (++current >= vals.Count) {
current = -1;
return false;
}
return true;
}
public void Reset ()
{
current = -1;
}
}
// IEnumerable
public IEnumerator GetEnumerator ()
{
return new ListEnumerator (this);
}
[DllImport("libgobject-2.0-0.dll")]
static extern IntPtr g_value_array_copy (IntPtr raw);
// ICloneable
public object Clone ()
{
return new ValueArray (g_value_array_copy (Handle));
}
}
}