Priority.cpp

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/*
 * Priority.cpp
 *
 * Copyright 2000, LifeLine Networks BV (www.lifeline.nl). All rights reserved.
 * Copyright 2000, Bastiaan Bakker. All rights reserved.
 *
 * See the COPYING file for the terms of usage and distribution.
 */

#include "PortabilityImpl.hh"
#include <log4cpp/Priority.hh>
#include <cstdlib>

namespace log4cpp {

    namespace {
        const std::string *names() {
            static const std::string priority_names[10] = {
                        "FATAL",
                        "ALERT",
                        "CRIT",
                        "ERROR",
                        "WARN",
                        "NOTICE",
                        "INFO",
                        "DEBUG",
                        "NOTSET",
                        "UNKNOWN" 
            };
            return priority_names;
        }
    }    

    const int log4cpp::Priority::MESSAGE_SIZE = 8;
    

    const std::string& Priority::getPriorityName(int priority) throw() {
         
        priority++;
        priority /= 100;
        return names()[((priority < 0) || (priority > 8)) ? 8 : priority];
    }

    Priority::Value Priority::getPriorityValue(const std::string& priorityName) 
    throw(std::invalid_argument) {
        Priority::Value value = -1;

        for (unsigned int i = 0; i < 10; i++) {
            if (priorityName == names()[i]) {
                value = i * 100;
                break;
            }
        }

        if (value == -1) {
            if (priorityName == "EMERG") {
                    value = 0;
            } else {
                    char* endPointer;
                    value = std::strtoul(priorityName.c_str(), &endPointer, 10);
                    if (*endPointer != 0) {
                        throw std::invalid_argument(
                                        std::string("unknown priority name: '") + priorityName + "'"
                                );
                    }
            }
        }
        
        return value;
    }
}