summaryrefslogtreecommitdiffstats
path: root/examples/hellodynamic2.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'examples/hellodynamic2.cpp')
-rw-r--r--examples/hellodynamic2.cpp124
1 files changed, 124 insertions, 0 deletions
diff --git a/examples/hellodynamic2.cpp b/examples/hellodynamic2.cpp
new file mode 100644
index 0000000..0647564
--- /dev/null
+++ b/examples/hellodynamic2.cpp
@@ -0,0 +1,124 @@
+ /*
+
+ Copyright (C) 2001 Stefan Westerfeld
+ stefan@space.twc.de
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+ */
+
+#include "hello.h"
+#include "dynamicskeleton.h"
+#include "debug.h"
+#include "stdio.h"
+
+using namespace Arts;
+using namespace std;
+
+namespace Arts { typedef DynamicSkeleton<Arts::Object_skel> Object_dskel; }
+
+class HelloDynamic : public Arts::Object_dskel {
+protected:
+ long myValue;
+
+public:
+ HelloDynamic() : Arts::Object_dskel("Hello") {
+ }
+ void process(long methodID, Arts::Buffer *request, Arts::Buffer *result)
+ {
+ const Arts::MethodDef& methodDef = getMethodDef(methodID);
+
+ if(methodDef.name == "hello") // void hello(string);
+ {
+ string s; request->readString(s);
+ printf("Hello '%s'!\n",s.c_str());
+ }
+ else if(methodDef.name == "_set_myValue") // attribute long myValue;
+ {
+ myValue = request->readLong();
+ }
+ else if(methodDef.name == "_get_myValue")
+ {
+ result->writeLong(myValue);
+ }
+ else if(methodDef.name == "concat")
+ {
+ string s1; request->readString(s1);
+ string s2; request->readString(s2);
+ result->writeString(s1+s2);
+ }
+ else if(methodDef.name == "sum")
+ {
+ long a = request->readLong();
+ long b = request->readLong();
+ result->writeLong(a+b);
+ }
+ else
+ {
+ arts_fatal("method %s unimplemented", methodDef.name.c_str());
+ }
+ }
+};
+
+/*
+ * this program illustrates that you /can/ implement an interface without
+ * using the IDL compiler skeleton do to so - this is useful if you want
+ * to create a language or object system binding, where you don't know
+ * all interfaces that are present at compile time
+ *
+ * however, it's definitely advanced stuff, and not for daily use ;)
+ */
+int main()
+{
+ Dispatcher dispatcher;
+
+ Object obj = Object::_from_base(new HelloDynamic());
+ if(obj.isNull())
+ arts_fatal("dimpl is no object?");
+
+ HelloBase b = DynamicCast(obj);
+ if(b.isNull())
+ arts_fatal("can't cast the object to HelloBase");
+
+
+ Hello h = DynamicCast(obj);
+ /*arts_info("%d",obj.isCompatibleWith("Hello"));*/
+
+ if(h.isNull())
+ arts_fatal("can't destringify to the object");
+
+ const char *who = getenv("LOGNAME");
+ if(!who) who = "stefan";
+
+ arts_info("calling h.hello(\"%s\")", who);
+ h.hello(who);
+
+ h.myValue(6);
+ arts_info("h.myValue(6), h.myValue() is %ld",
+ h.myValue());
+
+ arts_info("h.concat(\"MCOP \",\"is great!\") is \"%s\"",
+ h.concat("MCOP ","is great!").c_str());
+
+ /*
+ int i,j = 0;
+ for(i=0;i<100000;i++)
+ j += h.sum(2,4);
+ printf("%d\n",j);
+ */
+
+ return 0;
+}