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* */Makefile.am : automakify the build * */Makefile.in : kill * *.custom : remove System.Drawing dependencies * *.cs : remove System.Drawing dependencies * *-api.xml : mv to *-api.raw * glue/* : mv to lib specific gluelibs for glib, gdk, gtk, and glade. * gtk/gtk-symbols : alias GtkType to GType * sources/gtk-sharp-sources.xml : create .raw files. They are now transformed to .xml files by the metadata compilation step. svn path=/trunk/gtk-sharp/; revision=23967
79 lines
2 KiB
C#
79 lines
2 KiB
C#
// time_t_CustomMarshaler.cs - Custom marshaling between time_t and DateTime
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//
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// Author: Mike Kestner <mkestner@ximian.com>
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//
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// Copyright (c) 2004 Novell, Inc.
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namespace GLib {
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using System;
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using System.Runtime.InteropServices;
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public class time_t_CustomMarshaler : ICustomMarshaler {
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static time_t_CustomMarshaler marshaler;
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int utc_offset;
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DateTime local_epoch;
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private time_t_CustomMarshaler ()
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{
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utc_offset = (int) DateTime.Now.Subtract (DateTime.UtcNow).TotalSeconds;
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local_epoch = new DateTime (1970, 1, 1, 0, 0, 0);
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}
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public static ICustomMarshaler GetInstance (string cookie)
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{
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if (marshaler == null)
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marshaler = new time_t_CustomMarshaler ();
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return marshaler;
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}
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public IntPtr MarshalManagedToNative (object obj)
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{
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DateTime dt = (DateTime) obj;
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int size = Marshal.SizeOf (typeof (int)) + GetNativeDataSize ();
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IntPtr ptr = Marshal.AllocCoTaskMem (size);
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IntPtr time_t_ptr = new IntPtr (ptr.ToInt32 () + Marshal.SizeOf (typeof(int)));
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int secs = ((int)dt.Subtract (local_epoch).TotalSeconds) + utc_offset;
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if (GetNativeDataSize () == 4)
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Marshal.WriteInt32 (time_t_ptr, secs);
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else if (GetNativeDataSize () == 8)
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Marshal.WriteInt64 (time_t_ptr, secs);
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else
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throw new Exception ("Unexpected native size for time_t.");
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return time_t_ptr;
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}
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public void CleanUpNativeData (IntPtr data)
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{
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IntPtr ptr = new IntPtr (data.ToInt32 () - Marshal.SizeOf (typeof (int)));
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Marshal.FreeCoTaskMem (ptr);
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}
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public object MarshalNativeToManaged (IntPtr data)
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{
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long secs;
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if (GetNativeDataSize () == 4)
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secs = (int)data;
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else if (GetNativeDataSize () == 8)
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secs = (long)data;
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else
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throw new Exception ("Unexpected native size for time_t.");
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TimeSpan span = new TimeSpan ((int)secs - utc_offset);
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return local_epoch.Add (span);
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}
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public void CleanUpManagedData (object obj) {}
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[DllImport ("glibsharpglue")]
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static extern int gtksharp_time_t_sizeof ();
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public int GetNativeDataSize ()
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{
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return gtksharp_time_t_sizeof ();
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}
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}
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}
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