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2001-09-28 Mike Kestner <mkestner@speakeasy.net>

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* glib/Value.cs (~Value): New destructor to release g_malloc'd space.
	(default ctor): New default ctor just mallocs without init.
	(String ctor): call default
	(bool ctor): call default
	(Init): New post construct initializer.
	(String exp cast): Replaces ToString method.
	(bool exp cast): New for bool extraction.
	(MarshalAs): Renamed prop was RawValue.

svn path=/trunk/gtk-sharp/; revision=1017
This commit is contained in:
Mike Kestner 2001-09-28 00:28:30 +00:00
parent 4a2fa05bee
commit f193cf3efe
2 changed files with 101 additions and 28 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2001-09-28 Mike Kestner <mkestner@speakeasy.net>
* glib/Value.cs (~Value): New destructor to release g_malloc'd space.
(default ctor): New default ctor just mallocs without init.
(String ctor): call default
(bool ctor): call default
(Init): New post construct initializer.
(String exp cast): Replaces ToString method.
(bool exp cast): New for bool extraction.
(MarshalAs): Renamed prop was RawValue.
2001-09-27 Mike Kestner <mkestner@speakeasy.net>
* glib/Object.cs : Docs for everything. Made Objects hash private.

118
glib/Value.cs
View file

@ -22,47 +22,109 @@ namespace GLib {
IntPtr _val;
// We use g_malloc0 and g_free to put the GValue on the
// heap to avoid some marshalling pain.
[DllImport("glib-1.3.dll")]
static extern IntPtr g_malloc0 (long n_bytes);
// Destructor is required since we are allocating unmananged
// heap resources.
[DllImport("glib-1.3.dll")]
static extern void g_free (IntPtr mem);
[DllImport("gobject-1.3.dll")]
static extern void g_value_init (IntPtr val,
TypeFundamentals type);
~Value ()
{
g_free (_val);
}
/// <summary>
/// Value Constructor
/// </summary>
///
/// <remarks>
/// Constructs a Value from a spectified string.
/// Creates an uninitialized Value on the unmanaged heap.
/// Use the Init method prior to attempting to assign a
/// value to it.
/// </remarks>
[DllImport("glib-1.3.dll")]
static extern IntPtr g_malloc0 (long n_bytes);
public Value ()
{
_val = g_malloc0 (5 * IntPtr.Size);
}
/// <summary>
/// Value Constructor
/// </summary>
///
/// <remarks>
/// Constructs a Value from a specified boolean.
/// </remarks>
[DllImport("gobject-1.3.dll")]
static extern void g_value_set_boolean (IntPtr val,
bool data);
public Value (bool val) : this ()
{
g_value_init (_val, TypeFundamentals.TypeBoolean);
g_value_set_boolean (_val, val);
}
/// <summary>
/// Value Constructor
/// </summary>
///
/// <remarks>
/// Constructs a Value from a specified string.
/// </remarks>
[DllImport("gobject-1.3.dll")]
static extern void g_value_set_string (IntPtr val,
String data);
[DllImport("gobject-1.3.dll")]
static extern void g_value_set_boolean (IntPtr val,
bool data);
public Value (bool val)
public Value (String val) : this ()
{
_val = g_malloc0 (5 * IntPtr.Size);
g_value_init (_val, TypeFundamentals.TypeBoolean);
g_value_set_boolean (_val, val);
}
public Value (String str)
{
_val = g_malloc0 (5 * IntPtr.Size);
g_value_init (_val, TypeFundamentals.TypeString);
g_value_set_string (_val, str);
g_value_set_string (_val, val);
}
/// <summary>
/// GetString Method
/// Init Method
/// </summary>
///
/// <remarks>
/// Prepares a raw value to hold a specified type.
/// </remarks>
[DllImport("gobject-1.3.dll")]
static extern void g_value_init (IntPtr val,
TypeFundamentals type);
public void Init (TypeFundamentals type)
{
g_value_init (_val, type);
}
/// <summary>
/// Value to Boolean Conversion
/// </summary>
///
/// <remarks>
/// Extracts a bool from a Value. Note, this method
/// will produce an exception if the Value does not hold a
/// boolean value.
/// </remarks>
[DllImport("gobject-1.3.dll")]
static extern bool g_value_get_boolean (IntPtr val);
public static explicit operator bool (Value val)
{
// FIXME: Insert an appropriate exception here if
// _val.type indicates an error.
return g_value_get_boolean (val._val);
}
/// <summary>
/// Value to String Conversion
/// </summary>
///
/// <remarks>
@ -74,22 +136,22 @@ namespace GLib {
[DllImport("gobject-1.3.dll")]
static extern String g_value_get_string (IntPtr val);
public String GetString ()
public static explicit operator String (Value val)
{
// FIXME: Insert an appropriate exception here if
// _val.type indicates an error.
return g_value_get_string (_val);
return g_value_get_string (val._val);
}
/// <summary>
/// RawValue Property
/// MarshalAs Property
/// </summary>
///
/// <remarks>
/// Read only. Accesses a pointer to the Raw GValue.
/// Read only. Accesses a pointer to the raw GValue.
/// </remarks>
public IntPtr RawValue {
public IntPtr MarshalAs {
get {
return _val;
}