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author | Rajith Muditha Attapattu <rajith@apache.org> | 2007-11-20 14:01:22 +0000 |
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committer | Rajith Muditha Attapattu <rajith@apache.org> | 2007-11-20 14:01:22 +0000 |
commit | e162ae8c89bfc29293ed84d552dbb373dd1c06f3 (patch) | |
tree | 4d0737f7a4324dfd93c4b519cce1e6998e46cf77 /Final/cpp/lib/common/CommonOptions.h | |
parent | bcd011a10c0db4ffc6f78380c548d673e270e000 (diff) | |
download | qpid-python-e162ae8c89bfc29293ed84d552dbb373dd1c06f3.tar.gz |
Creating tag for M2 final release
git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/tags/M2@596674 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'Final/cpp/lib/common/CommonOptions.h')
-rw-r--r-- | Final/cpp/lib/common/CommonOptions.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/Final/cpp/lib/common/CommonOptions.h b/Final/cpp/lib/common/CommonOptions.h new file mode 100644 index 0000000000..086b9742fb --- /dev/null +++ b/Final/cpp/lib/common/CommonOptions.h @@ -0,0 +1,101 @@ +#ifndef QPID_COMMONOPTIONS_H +#define QPID_COMMONOPTIONS_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. + * + */ + +#include <boost/program_options.hpp> +#include <boost/format.hpp> + +namespace qpid { + +/**@Qpid extensions to boost::program_options */ +namespace program_options { + +using namespace boost::program_options; + +/** @internal Normally only constructed by optValue() */ +template <class T> +class OptionValue : public typed_value<T> { + public: + OptionValue(T& value, const std::string& arg) + : typed_value<T>(&value), argName(arg) {} + std::string name() const { return argName; } + private: + std::string argName; +}; + +/** + * Like boost::program_options::value() with more convenient signature + * for updating a value by reference and nicer help formatting. + * + *@param value displayed as default in help, updated from options. + * Must support ostream << operator. + *@param arg name for arguments in help. + * + *@see CommonOptions.cpp for example of use. + */ +template<class T> +value_semantic* optValue(T& value, const char* arg) { + std::string val(boost::lexical_cast<std::string>(value)); + std::string argName( + val.empty() ? std::string(arg) : + (boost::format("%s (=%s) ") % arg % val).str()); + return new OptionValue<T>(value, argName); +} + +/** Environment-to-option name mapping. + * Maps env variable "QPID_SOME_VAR" to option "some-var" + * Ignores env vars that dont match known options._ + */ +struct EnvMapper { + EnvMapper(const options_description& o) : opts(o) {} + std::string operator()(const std::string& env); + const options_description& opts; +}; + +/** + * Like boost::program_options::bool_switch but takes reference, not pointer. + */ +inline value_semantic* optValue(bool& value) { return bool_switch(&value); } + +} // namespace program_options + +namespace po=program_options; // Convenience alias. + +/** + * Common options for client and broker + */ +struct CommonOptions { + static const int DEFAULT_PORT; + + CommonOptions(); + + bool trace; + int port; + + /** Add members to program_options to be updated */ + void addTo(po::options_description&); +}; + +} // namespace qpid + +#endif /*!QPID_COMMONOPTIONS_H*/ |