Add C# array typemaps provided by Antti Karanta.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@10872 626c5289-ae23-0410-ae9c-e8d60b6d4f22

6 files changed, 132 insertions, 0 deletions

diff --git a/Examples/csharp/arrays/Makefile b/Examples/csharp/arrays/Makefile
new file mode 100644
index 000000000..b3446d895
--- /dev/null
+++ b/Examples/csharp/arrays/Makefile
@@ -0,0 +1,20 @@
+TOP        = ../..
+SWIG       = $(TOP)/../preinst-swig
+SRCS       = example.c
+TARGET     = example
+INTERFACE  = example.i
+SWIGOPT    =
+CSHARPSRCS = *.cs
+CSHARPFLAGS= -nologo -unsafe -out:runme.exe
+
+all::	csharp
+
+csharp::
+	$(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' csharp
+	$(MAKE) -f $(TOP)/Makefile CSHARPSRCS='$(CSHARPSRCS)' CSHARPFLAGS='$(CSHARPFLAGS)' csharp_compile
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile csharp_clean
+
+check: all
diff --git a/Examples/csharp/arrays/example.c b/Examples/csharp/arrays/example.c
new file mode 100644
index 000000000..2498e1f4e
--- /dev/null
+++ b/Examples/csharp/arrays/example.c
@@ -0,0 +1,22 @@
+/* File : example.c */
+
+#include "example.h"
+
+/* copy the contents of the first array to the second */
+void myArrayCopy( int* sourceArray, int* targetArray, int nitems ) {
+  int i;
+  for ( i = 0; i < nitems; i++ ) {
+    targetArray[ i ] = sourceArray[ i ];
+  }
+}
+
+/* swap the contents of the two arrays */
+void myArraySwap( int* array1, int* array2, int nitems ) {
+  int i, temp;
+  for ( i = 0; i < nitems; i++ ) {
+    temp = array1[ i ];
+    array1[ i ] = array2[ i ];
+    array2[ i ] = temp;
+  }
+}
+
diff --git a/Examples/csharp/arrays/example.h b/Examples/csharp/arrays/example.h
new file mode 100644
index 000000000..113b92c1b
--- /dev/null
+++ b/Examples/csharp/arrays/example.h
@@ -0,0 +1,4 @@
+
+void myArrayCopy( int *sourceArray, int* targetArray, int nitems );
+void myArraySwap( int* array1, int* array2, int nitems );
+
diff --git a/Examples/csharp/arrays/example.i b/Examples/csharp/arrays/example.i
new file mode 100644
index 000000000..22b9aa19d
--- /dev/null
+++ b/Examples/csharp/arrays/example.i
@@ -0,0 +1,42 @@
+/* File : example.i */
+%module example
+
+%include "arrays_csharp.i"
+
+%apply int INPUT[]  { int* sourceArray }
+%apply int OUTPUT[] { int* targetArray }
+
+%apply int INOUT[] { int* array1 }
+%apply int INOUT[] { int* array2 }
+
+%include "example.h"
+
+%clear int* sourceArray;
+%clear int* targetArray;
+
+%clear int* array1;
+%clear int* array2;
+
+
+// Below replicates the above array handling but this time using the pinned (fixed) array typemaps
+%csmethodmodifiers "public unsafe";
+
+%apply int FIXED[] { int* sourceArray }
+%apply int FIXED[] { int* targetArray }
+
+%inline %{
+void myArrayCopyUsingFixedArrays( int *sourceArray, int* targetArray, int nitems ) {
+  myArrayCopy(sourceArray, targetArray, nitems);
+}
+%}
+
+%apply int FIXED[] { int* array1 }
+%apply int FIXED[] { int* array2 }
+
+%inline %{
+void myArraySwapUsingFixedArrays( int* array1, int* array2, int nitems ) {
+  myArraySwap(array1, array2, nitems);
+}
+%}
+
+  
diff --git a/Examples/csharp/arrays/runme.cs b/Examples/csharp/arrays/runme.cs
new file mode 100644
index 000000000..c2b8a6bdd
--- /dev/null
+++ b/Examples/csharp/arrays/runme.cs
@@ -0,0 +1,43 @@
+using System;
+
+public class runme
+{
+  static void Main() 
+  {
+    int[] source = { 1, 2, 3 };
+    int[] target = new int[ source.Length ];
+
+    example.myArrayCopy( source, target, target.Length );
+          
+    Console.WriteLine( "Contents of copy target array using default marshaling" );
+    PrintArray( target );
+
+    target = new int[ source.Length ];
+    
+    example.myArrayCopyUsingFixedArrays( source, target, target.Length );
+    Console.WriteLine( "Contents of copy target array using fixed arrays" );
+    PrintArray( target );
+
+    target = new int[] { 4, 5, 6 };
+    example.myArraySwap( source, target, target.Length );
+    Console.WriteLine( "Contents of arrays after swapping using default marshaling" );
+    PrintArray( source );
+    PrintArray( target );
+    
+    source = new int[] { 1, 2, 3 };
+    target = new int[] { 4, 5, 6 };
+    
+    example.myArraySwapUsingFixedArrays( source, target, target.Length );
+    Console.WriteLine( "Contents of arrays after swapping using fixed arrays" );
+    PrintArray( source );
+    PrintArray( target );
+  }
+  
+  static void PrintArray( int[] a ) 
+  {
+    foreach ( int i in a ) 
+      Console.Write( "{0} ", i );
+    Console.WriteLine();
+  }
+}
+
diff --git a/Examples/csharp/check.list b/Examples/csharp/check.list
index c4d92402b..5454d8531 100644
--- a/Examples/csharp/check.list
+++ b/Examples/csharp/check.list
@@ -1,4 +1,5 @@
 # see top-level Makefile.in
+arrays
 callback
 class
 enum