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87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
//
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// Copyright 2010-2011 Ettus Research LLC
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include <uhd/utils/warning.hpp>
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#include <uhd/exception.hpp>
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#include <boost/tokenizer.hpp>
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#include <uhd/utils/static.hpp>
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#include <uhd/types/dict.hpp>
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#include <boost/foreach.hpp>
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#include <sstream>
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#include <iostream>
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#include <vector>
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using namespace uhd;
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#define tokenizer(inp, sep) \
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boost::tokenizer<boost::char_separator<char> > \
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(inp, boost::char_separator<char>(sep))
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/***********************************************************************
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* Registry implementation
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**********************************************************************/
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//create the registry for the handlers
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typedef uhd::dict<std::string, warning::handler_t> registry_t;
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UHD_SINGLETON_FCN(registry_t, get_registry)
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//the default warning handler
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static void stderr_warning(const std::string &msg){
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std::cerr << msg;
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}
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//register a default handler
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UHD_STATIC_BLOCK(warning_register_default){
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warning::register_handler("default", &stderr_warning);
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}
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/***********************************************************************
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* Post + format
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**********************************************************************/
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void warning::post(const std::string &msg){
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std::stringstream ss;
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//format the warning message
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ss << std::endl << "Warning:" << std::endl;
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BOOST_FOREACH(const std::string &line, tokenizer(msg, "\n")){
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ss << " " << line << std::endl;
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}
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//post the formatted message
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BOOST_FOREACH(const std::string &name, get_registry().keys()){
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get_registry()[name](ss.str());
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}
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}
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/***********************************************************************
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* Registry accessor functions
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**********************************************************************/
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void warning::register_handler(
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const std::string &name, const handler_t &handler
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){
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get_registry()[name] = handler;
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}
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warning::handler_t warning::unregister_handler(const std::string &name){
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if (not get_registry().has_key(name)) throw uhd::key_error(
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"The warning registry does not have a handler registered to " + name
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);
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return get_registry().pop(name);
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}
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const std::vector<std::string> warning::registry_names(void){
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return get_registry().keys();
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}
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