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/*
*
* 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 "CommonOptions.h"
#include <algorithm>
namespace qpid {
namespace program_options {
static const std::string prefix("QPID_");
static char env2optchar(char env) { return (env=='_') ? '-' : tolower(env); }
std::string EnvMapper::operator()(const std::string& env) {
if (env.substr(0, prefix.size()) == prefix) {
std::string opt = env.substr(prefix.size());
transform(opt.begin(), opt.end(), opt.begin(), env2optchar);
// Ignore env vars that don't match to known options.
if (opts.find_nothrow(opt, false))
return opt;
}
return std::string();
}
} // namespace program_options
const int CommonOptions::DEFAULT_PORT=5672;
CommonOptions::CommonOptions() : trace(false), port(DEFAULT_PORT) {}
void CommonOptions::addTo(po::options_description& desc)
{
using namespace po;
desc.add_options()
("trace,t", optValue(trace), "Enable debug tracing" )
("port,p", optValue(port,"PORT"), "Use PORT for AMQP connections.");
}
} // namespace qpid
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