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Diffstat (limited to 'examples/hellodynamic2.cpp')
-rw-r--r-- | examples/hellodynamic2.cpp | 124 |
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; +} |