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2008-02-29 Mike Kestner <mkestner@novell.com>

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* generator/ReturnValue.cs: null-term array handling.
	* glib/Marshaller.cs: marshaling methods for null-term arrays.

svn path=/trunk/gtk-sharp/; revision=97032
This commit is contained in:
Mike Kestner 2008-02-29 23:42:27 +00:00
parent ada526a153
commit be28ed3597
4 changed files with 117 additions and 40 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2008-02-29 Mike Kestner <mkestner@novell.com>
* generator/ReturnValue.cs: null-term array handling.
* glib/Marshaller.cs: marshaling methods for null-term arrays.
2008-02-29 Mike Kestner <mkestner@novell.com>
* sample/Action.cs: qualify Action usage.

49
doc/en/GLib/Marshaller.xml
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@ -373,5 +373,54 @@
<remarks />
</Docs>
</Member>
<Member MemberName="Malloc">
<MemberSignature Language="C#" Value="public static IntPtr Malloc (ulong size);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.IntPtr</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="size" Type="System.UInt64" />
</Parameters>
<Docs>
<param name="size">Size in bytes to be allocated.</param>
<summary>Allocates a block of heap memory using the glib allocator.</summary>
<returns>A pointer to the block.</returns>
<remarks />
</Docs>
</Member>
<Member MemberName="NullTermPtrToStringArray">
<MemberSignature Language="C#" Value="public static string[] NullTermPtrToStringArray (IntPtr null_term_array, bool owned);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.String[]</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="null_term_array" Type="System.IntPtr" />
<Parameter Name="owned" Type="System.Boolean" />
</Parameters>
<Docs>
<param name="null_term_array">Pointer to a null-terminated string array.</param>
<param name="owned">Indicates if the memory is owned and should be released.</param>
<summary>Marshals a native null-terminated string array to a managed string array.</summary>
<returns>an array of managed strings.</returns>
<remarks />
</Docs>
</Member>
<Member MemberName="StrFreeV">
<MemberSignature Language="C#" Value="public static void StrFreeV (IntPtr null_term_array);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="null_term_array" Type="System.IntPtr" />
</Parameters>
<Docs>
<param name="null_term_array">Pointer to a native null-terminated string array.</param>
<summary>Frees a string array, including its member strings.</summary>
<remarks />
</Docs>
</Member>
</Members>
</Type>

71
generator/ReturnValue.cs
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@ -28,15 +28,29 @@ namespace GtkSharp.Generation {
private XmlElement elem;
bool is_null_term;
bool is_array;
bool elements_owned;
bool owned;
string ctype = String.Empty;
string element_ctype = String.Empty;
public ReturnValue (XmlElement elem)
{
this.elem = elem;
if (elem != null) {
is_null_term = elem.HasAttribute ("null_term_array");
is_array = elem.HasAttribute ("array");
elements_owned = elem.GetAttribute ("elements_owned") == "true";
owned = elem.GetAttribute ("owned") == "true";
ctype = elem.GetAttribute("type");
element_ctype = elem.GetAttribute ("element_type");
}
}
public string CType {
get {
return elem == null ? String.Empty : elem.GetAttribute("type");
return ctype;
}
}
@ -48,7 +62,7 @@ namespace GtkSharp.Generation {
if (ElementType != String.Empty)
return ElementType + "[]";
return IGen.QualifiedName + (IsArray ? "[]" : String.Empty);
return IGen.QualifiedName + (is_array || is_null_term ? "[]" : String.Empty);
}
}
@ -60,28 +74,10 @@ namespace GtkSharp.Generation {
}
}
string ElementCType {
get {
if (elem != null && elem.HasAttribute ("element_type"))
return elem.GetAttribute ("element_type");
return String.Empty;
}
}
bool ElementsOwned {
get {
if (elem != null && elem.GetAttribute ("elements_owned") == "true")
return true;
return false;
}
}
string ElementType {
get {
if (ElementCType.Length > 0)
return SymbolTable.Table.GetCSType (ElementCType);
if (element_ctype.Length > 0)
return SymbolTable.Table.GetCSType (element_ctype);
return String.Empty;
}
@ -96,12 +92,6 @@ namespace GtkSharp.Generation {
}
}
bool IsArray {
get {
return elem == null ? false : elem.HasAttribute ("array");
}
}
public bool IsVoid {
get {
return CSType == "void";
@ -112,13 +102,9 @@ namespace GtkSharp.Generation {
get {
if (IGen == null)
return String.Empty;
return IGen.MarshalReturnType + (IsArray ? "[]" : String.Empty);
}
}
bool Owned {
get {
return elem.GetAttribute ("owned") == "true";
else if (is_null_term)
return "IntPtr";
return IGen.MarshalReturnType + (is_array ? "[]" : String.Empty);
}
}
@ -126,7 +112,9 @@ namespace GtkSharp.Generation {
get {
if (IGen == null)
return String.Empty;
return IGen.ToNativeReturnType + (IsArray ? "[]" : String.Empty);
else if (is_null_term)
return "IntPtr"; //FIXME
return IGen.ToNativeReturnType + (is_array ? "[]" : String.Empty);
}
}
@ -137,10 +125,12 @@ namespace GtkSharp.Generation {
if (ElementType != String.Empty) {
string type_str = "typeof (" + ElementType + ")";
string args = type_str + ", " + (Owned ? "true" : "false") + ", " + (ElementsOwned ? "true" : "false");
string args = type_str + ", " + (owned ? "true" : "false") + ", " + (elements_owned ? "true" : "false");
return String.Format ("({0}[]) GLib.Marshaller.ListToArray ({1}, {2})", ElementType, IGen.FromNativeReturn (var + ", " + args), type_str);
} else if (IGen is HandleBase)
return ((HandleBase)IGen).FromNative (var, Owned);
return ((HandleBase)IGen).FromNative (var, owned);
else if (is_null_term)
return String.Format ("GLib.Marshaller.NullTermPtrToStringArray ({0}, {1})", var, owned ? "true" : "false");
else
return IGen.FromNativeReturn (var);
}
@ -151,9 +141,10 @@ namespace GtkSharp.Generation {
return String.Empty;
if (ElementType.Length > 0) {
string args = ", typeof (" + ElementType + "), " + (Owned ? "true" : "false") + ", " + (ElementsOwned ? "true" : "false");
string args = ", typeof (" + ElementType + "), " + (owned ? "true" : "false") + ", " + (elements_owned ? "true" : "false");
var = "new " + IGen.QualifiedName + "(" + var + args + ")";
}
} else if (is_null_term)
return String.Format ("GLib.Marshaller.StringArrayToNullTermPtr ({0})", var);
if (IGen is IManualMarshaler)
return (IGen as IManualMarshaler).AllocNative (var);

32
glib/Marshaller.cs
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@ -150,6 +150,33 @@ namespace GLib {
return result;
}
[DllImport("libglib-2.0-0.dll")]
static extern void g_strfreev (IntPtr mem);
public static void StrFreeV (IntPtr null_term_array)
{
g_strfreev (null_term_array);
}
public static string[] NullTermPtrToStringArray (IntPtr null_term_array, bool owned)
{
if (null_term_array == IntPtr.Zero)
return new string [0];
int count = 0;
System.Collections.ArrayList result = new System.Collections.ArrayList ();
IntPtr s = Marshal.ReadIntPtr (null_term_array, count++ * IntPtr.Size);
while (s != IntPtr.Zero) {
result.Add (Utf8PtrToString (s));
s = Marshal.ReadIntPtr (null_term_array, count++ * IntPtr.Size);
}
if (owned)
g_strfreev (null_term_array);
return (string[]) result.ToArray (typeof(string));
}
public static string[] PtrToStringArrayGFree (IntPtr string_array)
{
if (string_array == IntPtr.Zero)
@ -180,6 +207,11 @@ namespace GLib {
[DllImport("libglib-2.0-0.dll")]
static extern IntPtr g_malloc(UIntPtr size);
public static IntPtr Malloc (ulong size)
{
return g_malloc (new UIntPtr (size));
}
static bool check_sixtyfour () {
int szint = Marshal.SizeOf (typeof (int));
int szlong = Marshal.SizeOf (typeof (long));