/usr/share/cruisecontrol-bin-2.6.1/projects/qpid-trunk/cpp/src/qpid/Msg.h

00001 #ifndef QPID_MSG_H
00002 #define QPID_MSG_H
00003 
00004 /*
00005  *
00006  * Licensed to the Apache Software Foundation (ASF) under one
00007  * or more contributor license agreements.  See the NOTICE file
00008  * distributed with this work for additional information
00009  * regarding copyright ownership.  The ASF licenses this file
00010  * to you under the Apache License, Version 2.0 (the
00011  * "License"); you may not use this file except in compliance
00012  * with the License.  You may obtain a copy of the License at
00013  * 
00014  *   http://www.apache.org/licenses/LICENSE-2.0
00015  * 
00016  * Unless required by applicable law or agreed to in writing,
00017  * software distributed under the License is distributed on an
00018  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
00019  * KIND, either express or implied.  See the License for the
00020  * specific language governing permissions and limitations
00021  * under the License.
00022  *
00023  */
00024 
00025 #include <sstream>
00026 #include <iostream>
00027 
00028 namespace qpid {
00029 
00040 struct Msg {
00041     std::ostringstream os;
00042     Msg() {}
00043     Msg(const Msg& m) : os(m.str()) {}
00044     std::string str() const { return os.str(); }
00045     operator std::string() const { return str(); }
00046 };
00047 
00048 template <class T> const Msg& operator<<(const Msg& m, const T& t) {
00049     const_cast<std::ostringstream&>(m.os)<<t; return m;
00050 }
00051 
00052 inline std::ostream& operator<<(std::ostream& o, const Msg& m) {
00053     return o<<m.str();
00054 }
00055 
00057 #define QPID_MSG(message) ::qpid::Msg() << message << " (" << __FILE__ << ":" << __LINE__ << ")"
00058 
00059 } // namespace qpid
00060 
00061 #endif  

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