diff options
Diffstat (limited to 'mono/DBusType/Int32.cs')
-rw-r--r-- | mono/DBusType/Int32.cs | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/mono/DBusType/Int32.cs b/mono/DBusType/Int32.cs new file mode 100644 index 00000000..b617a9a0 --- /dev/null +++ b/mono/DBusType/Int32.cs @@ -0,0 +1,86 @@ +using System; +using System.Runtime.InteropServices; +using System.Reflection.Emit; + +using DBus; + +namespace DBus.DBusType +{ + /// <summary> + /// 32-bit integer. + /// </summary> + public class Int32 : IDBusType + { + public const char Code = 'i'; + private System.Int32 val; + + private Int32() + { + } + + public Int32(System.Int32 val) + { + this.val = val; + } + + public Int32(IntPtr iter) + { + this.val = dbus_message_iter_get_int32(iter); + } + + public void Append(IntPtr iter) + { + if (!dbus_message_iter_append_int32(iter, val)) + throw new ApplicationException("Failed to append INT32 argument:" + val); + } + + public static bool Suits(System.Type type) + { + switch (type.ToString()) { + case "System.Int32": + case "System.Int32&": + return true; + } + + return false; + } + + public static void EmitMarshalIn(ILGenerator generator, Type type) + { + if (type.IsByRef) { + generator.Emit(OpCodes.Ldind_I4); + } + } + + public static void EmitMarshalOut(ILGenerator generator, Type type, bool isReturn) + { + generator.Emit(OpCodes.Unbox, type); + generator.Emit(OpCodes.Ldind_I4); + if (!isReturn) { + generator.Emit(OpCodes.Stind_I4); + } + } + + public object Get() + { + return this.val; + } + + public object Get(System.Type type) + { + switch (type.ToString()) { + case "System.Int32": + case "System.Int32&": + return this.val; + default: + throw new ArgumentException("Cannot cast DBus.Type.Int32 to type '" + type.ToString() + "'"); + } + } + + [DllImport("dbus-1")] + private extern static System.Int32 dbus_message_iter_get_int32(IntPtr iter); + + [DllImport("dbus-1")] + private extern static bool dbus_message_iter_append_int32(IntPtr iter, System.Int32 value); + } +} |