The great merge

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@4141 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/ocaml/std_string.i

@@ -0,0 +1,55 @@
+// -*- C++ -*-
+// SWIG typemaps for std::string
+// Art Yerkes
+// Modified from: Luigi Ballabio
+// Apr 8, 2002
+//
+// Ocaml implementation
+
+// ------------------------------------------------------------------------
+// std::string is typemapped by value
+// This can prevent exporting methods which return a string
+// in order for the user to modify it.
+// However, I think I'll wait until someone asks for it...
+// ------------------------------------------------------------------------
+
+%include exception.i
+
+%{
+#include <string>
+%}
+
+namespace std {
+
+    class string;
+
+    /* Overloading check */
+
+    %typemap(typecheck) string = char *;
+    %typemap(typecheck) const string & = char *;
+
+    %typemap(in) string {
+        if (caml_ptr_check($input))
+            $1 = std::string((char *)caml_ptr_val($input,0));
+        else
+            SWIG_exception(SWIG_TypeError, "string expected");
+    }
+
+    %typemap(in) const string & (std::string temp) {
+        if (caml_ptr_check($input)) {
+            temp = std::string((char *)caml_ptr_val($input,0));
+            $1 = &temp;
+        } else {
+            SWIG_exception(SWIG_TypeError, "string expected");
+        }
+    }
+
+    %typemap(out) string {
+        $result = caml_val_ptr((char *)$1.c_str(),0);
+    }
+
+    %typemap(out) const string & {
+        $result = caml_val_ptr((char *)$1->c_str(),0);
+    }
+}
+