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Commit9dc07de

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author
mikhail_beris
committed
Implement to_upper transformer and basic transformation infrastructure.
1 parent3bf7c60 commit9dc07de

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6 files changed

+160
-0
lines changed

6 files changed

+160
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lines changed

‎boost/network/message.hpp‎

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@@ -80,5 +80,8 @@ namespace boost { namespace network {
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#include<boost/network/message/wrappers.hpp>
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// pull in wrappers header file
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#include<boost/network/message/transformers.hpp>
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// pull in transformer header file
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#endif// __NETWORK_MESSAGE_HPP__
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// Copyright Dean Michael Berris 2007.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef __NETWORK_MESSAGE_TRANSFORMERS_HPP__
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#define__NETWORK_MESSAGE_TRANSFORMERS_HPP__
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/** transformers.hpp
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*
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* Pulls in all the transformers files.
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*/
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#include<boost/network/message/transformers/selectors.hpp>
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#include<boost/network/message/transformers/to_upper.hpp>
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namespaceboost {namespacenetwork {
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namespaceimpl {
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template<classAlgorithm,classSelector>
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structget_real_algorithm {
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typedeftypename Algorithm::type<Selector> type;
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};
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template<classAlgorithm,classSelector>
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structtransform_impl :publicget_real_algorithm<Algorithm, Selector>::type { };
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};// namspace impl
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template<classAlgorithm,classSelector>
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inline impl::transform_impl<Algorithm, Selector>
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transform(Algorithm, Selector) {
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return impl::transform_impl<Algorithm, Selector>();
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};
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template<classTag,classAlgorithm,classSelector>
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inline basic_message<Tag> &
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operator<< (basic_message<Tag> & msg_,
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impl::transform_impl<Algorithm, Selector>
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const & transformer) {
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transformer(msg_);
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return msg_;
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};
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};// namespace network
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};// namespace boost
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#endif// __NETWORK_MESSAGE_TRANSFORMERS_HPP__
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// Copyright Dean Michael Berris 2007.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef __NETWORK_MESSAGE_TRANSFORMERS_SELECTORS_HPP__
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#define__NETWORK_MESSAGE_TRANSFORMERS_SELECTORS_HPP__
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namespaceboost {namespacenetwork {
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namespaceselectors {
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structsource_selector { };
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structdestination_selector { };
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};// namespace selectors
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extern selectors::source_selector source_;
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extern selectors::destination_selector destination_;
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};// namespace network
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};// namespace boost
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#endif// __NETWORK_MESSAGE_TRANSFORMERS_SELECTORS_HPP__
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// Copyright Dean Michael Berris 2007.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef __NETWORK_MESSAGE_TRANSFORMERS_TO_UPPER_HPP__
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#define__NETWORK_MESSAGE_TRANSFORMERS_TO_UPPER_HPP__
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#include<boost/algorithm/string.hpp>
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/** to_upper.hpp
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*
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* Implements the to_upper transformer. This applies
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* the to_upper string algorithm to a string, which
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* is selected by the appropriate selector.
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*
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* This defines a type, to be applied using template
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* metaprogramming on the selected string target.
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*/
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namespaceboost {namespacenetwork {
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namespaceimpl {
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template<classSelector>
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structto_upper_transformer { };
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template<>
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structto_upper_transformer<selectors::source_selector> {
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template<classTag>
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voidoperator() (basic_message<Tag> & message_)const {
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boost::to_upper(message_.source());
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};
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protected:
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~to_upper_transformer() { };
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};
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template<>
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structto_upper_transformer<selectors::destination_selector> {
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template<classTag>
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voidoperator() (basic_message<Tag> & message_)const {
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boost::to_upper(message_.destination());
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};
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protected:
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~to_upper_transformer() { };
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};
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};// namespace impl
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structto_upper_placeholder {
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template<classSelector>
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structtype :publicimpl::to_upper_transformer<Selector> { };
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} ;
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extern to_upper_placeholder to_upper_;
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};// namespace network
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};// namespace boost
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#endif// __NETWORK_MESSAGE_TRANSFORMERS_TO_UPPER_HPP__
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‎libs/network/test/Jamfile.v2‎

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;
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unit-test message_test : message_test.cpp ;
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unit-test message_transform_test : message_transform_test.cpp ;
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// Copyright Dean Michael Berris 2007.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#defineBOOST_TEST_MODULE message test
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#include<boost/test/unit_test.hpp>
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#include<boost/network.hpp>
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#include<algorithm>
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BOOST_AUTO_TEST_CASE ( message_transform_tolower ) {
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usingnamespaceboost::network;
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message msg;
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msg <<source("me");
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BOOST_CHECK_EQUAL (source(msg),"me" );
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msg <<transform(to_upper_, source_);
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BOOST_CHECK_EQUAL (source(msg),"ME" );
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};

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