diff options
Diffstat (limited to 'qpid/cpp/src/qpid/pointer_to_other.h')
-rw-r--r-- | qpid/cpp/src/qpid/pointer_to_other.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/pointer_to_other.h b/qpid/cpp/src/qpid/pointer_to_other.h new file mode 100644 index 0000000000..a99dc89658 --- /dev/null +++ b/qpid/cpp/src/qpid/pointer_to_other.h @@ -0,0 +1,62 @@ +#ifndef QPID_POINTERTOOTHER_H +#define QPID_POINTERTOOTHER_H + +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + */ + +namespace qpid { + +// Defines the same pointer type (raw or smart) to another pointee type + +template<class T, class U> +struct pointer_to_other; + +template<class T, class U, + template<class> class Sp> +struct pointer_to_other< Sp<T>, U > + { + typedef Sp<U> type; + }; + +template<class T, class T2, class U, + template<class, class> class Sp> +struct pointer_to_other< Sp<T, T2>, U > + { + typedef Sp<U, T2> type; + }; + +template<class T, class T2, class T3, class U, + template<class, class, class> class Sp> +struct pointer_to_other< Sp<T, T2, T3>, U > + { + typedef Sp<U, T2, T3> type; + }; + +template<class T, class U> +struct pointer_to_other< T*, U > +{ + typedef U* type; +}; + +} // namespace qpid + + + +#endif /*!QPID_POINTERTOOTHER_H*/ |