oflog/include/dcmtk/oflog/helpers/timehelp.h

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// Module:  Log4CPLUS
// File:    timehelper.h
// Created: 6/2003
// Author:  Tad E. Smith
//
//
// Copyright 2003-2009 Tad E. Smith
//
// Licensed 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.

#ifndef _LOG4CPLUS_HELPERS_TIME_HELPER_HEADER_
#define _LOG4CPLUS_HELPERS_TIME_HELPER_HEADER_

#include "dcmtk/oflog/config.h"
#include "dcmtk/oflog/tstring.h"

#ifdef TM_IN_SYS_TIME
#include <sys/time.h>
#endif

//#include <time.h>
#define INCLUDE_CTIME
#include "dcmtk/ofstd/ofstdinc.h"


namespace log4cplus {

namespace helpers {

class LOG4CPLUS_EXPORT Time {
public:
    Time();
    Time(time_t tv_sec, long tv_usec);
    explicit Time(time_t time);

    static Time gettimeofday();

  // Methods
    time_t sec() const { return tv_sec; }

    long usec() const { return tv_usec; }

    void sec(time_t s) { tv_sec = s; }

    void usec(long us) { tv_usec = us; }

    time_t setTime(struct tm* t);

    time_t getTime() const;

    void gmtime(struct tm* t) const;

    void localtime(struct tm* t) const;

    log4cplus::tstring getFormattedTime(const log4cplus::tstring& fmt,
                                        bool use_gmtime = false) const;

  // Operators
    Time& operator+=(const Time& rhs);
    Time& operator-=(const Time& rhs);
    Time& operator/=(long rhs);
    Time& operator*=(long rhs);

private:
    void build_q_value (log4cplus::tstring & q_str) const;
    void build_uc_q_value (log4cplus::tstring & uc_q_str) const;

  // Data
    time_t tv_sec;  /* seconds */
    long tv_usec;  /* microseconds */
};


LOG4CPLUS_EXPORT const log4cplus::helpers::Time operator+
                                   (const log4cplus::helpers::Time& lhs,
                                    const log4cplus::helpers::Time& rhs);
LOG4CPLUS_EXPORT const log4cplus::helpers::Time operator-
                                   (const log4cplus::helpers::Time& lhs,
                                    const log4cplus::helpers::Time& rhs);
LOG4CPLUS_EXPORT const log4cplus::helpers::Time operator/
                                   (const log4cplus::helpers::Time& lhs,
                                    long rhs);
LOG4CPLUS_EXPORT const log4cplus::helpers::Time operator*
                                   (const log4cplus::helpers::Time& lhs,
                                    long rhs);

LOG4CPLUS_EXPORT bool operator<(const log4cplus::helpers::Time& lhs,
                                const log4cplus::helpers::Time& rhs);
LOG4CPLUS_EXPORT bool operator<=(const log4cplus::helpers::Time& lhs,
                                 const log4cplus::helpers::Time& rhs);

LOG4CPLUS_EXPORT bool operator>(const log4cplus::helpers::Time& lhs,
                                const log4cplus::helpers::Time& rhs);
LOG4CPLUS_EXPORT bool operator>=(const log4cplus::helpers::Time& lhs,
                                 const log4cplus::helpers::Time& rhs);

LOG4CPLUS_EXPORT bool operator==(const log4cplus::helpers::Time& lhs,
                                 const log4cplus::helpers::Time& rhs);
LOG4CPLUS_EXPORT bool operator!=(const log4cplus::helpers::Time& lhs,
                                 const log4cplus::helpers::Time& rhs);

} // namespace helpers

} // namespace log4cplus


#endif // _LOG4CPLUS_HELPERS_TIME_HELPER_HEADER_

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