GtkSharp/glib/ValueArray.cs

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// ValueArray.cs - ValueArray wrapper implementation
//
// Authors: Mike Kestner <mkestner@ximian.com>
//
// (c) 2003 Novell, Inc.
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("gtksharpglue")]
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, IntPtr val);
public void Append (GLib.Value val)
{
g_value_array_append (Handle, val.Handle);
}
[DllImport("libgobject-2.0-0.dll")]
static extern void g_value_array_insert (IntPtr raw, uint idx, IntPtr val);
public void Insert (uint idx, GLib.Value val)
{
g_value_array_insert (Handle, idx, val.Handle);
}
[DllImport("libgobject-2.0-0.dll")]
static extern void g_value_array_prepend (IntPtr raw, IntPtr val);
public void Prepend (GLib.Value val)
{
g_value_array_prepend (Handle, val.Handle);
}
[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("gtksharpglue")]
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 {
return new GLib.Value (g_value_array_get_nth (Handle, (uint) index), IntPtr.Zero);
}
}
// 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));
}
}
}