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qpid/Msg.h
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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     Msg& operator<<(long n) { os << n; return *this; }
00048     Msg& operator<<(unsigned long n) { os << n; return *this; }
00049     Msg& operator<<(bool n) { os << n; return *this; }
00050     Msg& operator<<(short n) { os << n; return *this; }
00051     Msg& operator<<(unsigned short n) { os << n; return *this; }
00052     Msg& operator<<(int n) { os << n; return *this; }
00053     Msg& operator<<(unsigned int n) { os << n; return *this; }
00054 #ifdef _GLIBCXX_USE_LONG_LONG
00055     Msg& operator<<(long long n) { os << n; return *this; }
00056     Msg& operator<<(unsigned long long n) { os << n; return *this; }
00057 #endif
00058     Msg& operator<<(double n) { os << n; return *this; }
00059     Msg& operator<<(float n) { os << n; return *this; }
00060     Msg& operator<<(long double n) { os << n; return *this; }
00061 
00062     template <class T> Msg& operator<<(const T& t) { os <<t; return *this; }
00063 };
00064 
00065 
00066 
00067 inline std::ostream& operator<<(std::ostream& o, const Msg& m) {
00068     return o << m.str();
00069 }
00070 
00072 #define QUOTE_(x) #x
00073 #define QUOTE(x) QUOTE_(x)
00074 #define QPID_MSG(message) (::qpid::Msg() << message << " (" __FILE__ ":" QUOTE(__LINE__) ")")
00075 
00076 } // namespace qpid
00077 
00078 #endif  

Qpid C++ API Reference
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