bdlt_fixutil.h

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/// @file bdlt_fixutil.h
///
/// The content of this file has been pre-processed for Doxygen.
///
 
 
// bdlt_fixutil.h                                                     -*-C++-*-
 
#ifndef INCLUDED_BDLT_FIXUTIL
#define INCLUDED_BDLT_FIXUTIL
 
#include <bsls_ident.h>
BSLS_IDENT("$Id: $")
 
/// @defgroup bdlt_fixutil bdlt_fixutil
/// @brief  Provide conversions between date/time objects and FIX strings.
/// @addtogroup bdl
/// @{
/// @addtogroup bdlt
/// @{
/// @addtogroup bdlt_fixutil
/// @{
///
/// <h1> Outline </h1>
/// * <a href="#bdlt_fixutil-purpose"> Purpose</a>
/// * <a href="#bdlt_fixutil-classes"> Classes </a>
/// * <a href="#bdlt_fixutil-description"> Description </a>
///   * <a href="#bdlt_fixutil-terminology"> Terminology </a>
///   * <a href="#bdlt_fixutil-fix-string-generation"> FIX String Generation </a>
///     * <a href="#bdlt_fixutil-configuration"> Configuration </a>
///   * <a href="#bdlt_fixutil-fix-string-parsing"> FIX String Parsing </a>
///     * <a href="#bdlt_fixutil-timezone-offsets"> Timezone Offsets </a>
///     * <a href="#bdlt_fixutil-fractional-seconds"> Fractional Seconds </a>
///     * <a href="#bdlt_fixutil-leap-seconds"> Leap Seconds </a>
///     * <a href="#bdlt_fixutil-the-time-24-00"> The Time 24:00 </a>
///     * <a href="#bdlt_fixutil-summary-of-supported-fix-representations"> Summary of Supported FIX Representations </a>
///   * <a href="#bdlt_fixutil-usage"> Usage </a>
///     * <a href="#bdlt_fixutil-example-1-basic-bdlt-fixutil-usage"> Example 1: Basic bdlt::FixUtil Usage </a>
///     * <a href="#bdlt_fixutil-example-2-configuring-fix-string-generation"> Example 2: Configuring FIX String Generation </a>
///
/// # Purpose {#bdlt_fixutil-purpose}
/// Provide conversions between date/time objects and FIX strings.
///
/// # Classes {#bdlt_fixutil-classes}
///
/// -  bdlt::FixUtil: namespace for FIX date/time conversion functions
///
/// @see  bdlt_fixutilconfiguration
///
/// # Description {#bdlt_fixutil-description}
/// This component provides a namespace, `bdlt::FixUtil`,
/// containing functions that convert `bdlt` date, time, and datetime objects to
/// and from ("generate" and "parse", respectively) corresponding string
/// representations that are compliant with the FIX standard.  The version of
/// the FIX standard that is the basis for this component can be found at:
/// @code
/// http://www.fixtradingcommunity.org/FIXimate/FIXimate3.0/latestEP/en/
///                                         FIX.5.0SP2_EP208/fix_datatypes.html
/// @endcode
/// In general terms, `FixUtil` functions support what FIX refers to as
/// *complete* *representations* in *extended* *format*.  We first present a
/// brief overview before delving into the details of the FIX representations
/// that are supported for each of the relevant `bdlt` vocabulary types.
///
/// Each function that *generates* FIX strings (named `generate` and
/// `generateRaw`) takes a `bdlt` object and a `char *` buffer, `bsl::string`,
/// or `bsl::ostream`, and writes a FIX representation of the object to the
/// buffer, string, or stream.  The "raw" functions are distinguished from their
/// non-"raw" counterparts in three respects:
///
/// * The length of the `char *` buffer is not supplied to the `generateRaw`
///   functions.
/// * The `generateRaw` functions do not output a null terminator.
/// * The `generate` functions that provide an `int bufferLength` parameter
///   truncate the generated output to `bufferLength` characters.  (Neither the
///   `generateRaw` functions nor the `generate` functions taking `bsl::string`
///   or `bsl::ostream` do any truncation of their generated output.)
///
/// Since the generate functions always succeed, no status value is returned.
/// Instead, either the number of characters output to the `char *` buffer or
/// string, or a reference to the stream, is returned.  (Note that the
/// generating functions also take an optional `bdlt::FixUtilConfiguration`
/// object, which is discussed shortly.)
///
/// Each function that *parses* FIX strings (named `parse`) take the address of
/// a target `bdlt` object and a `const char *` (paired with a `length`
/// argument) or `bsl::string_view`, and loads the object with the result of
/// parsing the character string.  Since parsing can fail, the parse functions
/// return an `int` status value (0 for success and a non-zero value for
/// failure).  Note that, besides elementary syntactical considerations, the
/// validity of parsed strings are subject to the semantic constraints imposed
/// by the various `isValid*` class methods (i.e., `Date::isValidYearMonthDay`,
/// `Time::isValid`, etc.).
///
/// ## Terminology {#bdlt_fixutil-terminology}
///
///
/// As this component concerns FIX, some terms from that specification are used
/// liberally in what follows.  Two FIX terms of particular note are *timezone*
/// *offset* and *fractional* *second*.
///
/// A FIX *timezone* *offset* corresponds to what other `bdlt` components
/// commonly refer to as a timezone offset (or simply as an offset; e.g., see
/// @ref bdlt_datetimetz ).  For example, the FIX string `20020317-15:46:00+04:00`
/// has a timezone offset of `+04:00`, indicating a timezone 4 hours ahead of
/// UTC.
///
/// A FIX *fractional* *second* corresponds to, for example, combined
/// `millisecond` and `microsecond` attributes of a `bdlt::Datetime` or
/// `bdlt::Time` object.  For example, the `Time` value (and FIX string)
/// `15:46:09.330` has a `millisecond` attribute value of 330; i.e., a
/// fractional second of .33.
///
/// ## FIX String Generation {#bdlt_fixutil-fix-string-generation}
///
///
/// Strings produced by the `generate` and `generateRaw` functions are a
/// straightforward transposition of the attributes of the source `bdlt` value
/// into an appropriate FIX format, and are best illustrated by a few examples.
/// Note that for `Datetime`, `DatetimeTz`, and `Time`, the fractional second is
/// generated with the precision specified in the configuration.  Also note that
/// for `TimeTz`, no fractional second is generated (as per the FIX
/// specification for "TZTimeOnly").
/// @code
/// +--------------------------------------+---------------------------------+
/// |             Object Value             |      Generated FIX String       |
/// |                                      |  (using default configuration)  |
/// +======================================+=================================+
/// |  Date(2002, 03, 17)                  |  20020317                       |
/// +--------------------------------------+---------------------------------+
/// |  Time(15, 46, 09, 330)               |  15:46:09.330                   |
/// +--------------------------------------+---------------------------------+
/// |  Datetime(Date(2002, 03, 17)         |                                 |
/// |           Time(15, 46, 09, 330))     |  20020317-15:46:09.330          |
/// +--------------------------------------+---------------------------------+
/// |  DateTz(Date(2002, 03, 17), -120)    |  20020317-02:00                 |
/// +--------------------------------------+---------------------------------+
/// |  TimeTz(Time(15, 46, 09, 330), 270)  |  15:46:09+04:30                 |
/// +--------------------------------------+---------------------------------+
/// |  DatetimeTz(Datetime(                |                                 |
/// |              Date(2002, 03, 17),     |                                 |
/// |              Time(15, 46, 09, 330)), |                                 |
/// |             0)                       |  20020317-15:46:09.330+00:00    |
/// +--------------------------------------+---------------------------------+
/// @endcode
/// Note that the FIX specification does not have an equivalent to
/// `bdlt::DateTz`.
///
/// ### Configuration {#bdlt_fixutil-configuration}
///
///
/// The `generate` and `generateRaw` functions provide an optional configuration
/// parameter.  This optional parameter, of type `FixUtilConfiguration`, enables
/// configuration of two aspects of FIX string generation:
///
/// * The precision of the fractional seconds.
/// * Whether `Z` is output for the timezone offset instead of `+00:00` (UTC).
///
/// `FixUtilConfiguration` has two attributes that directly correspond to these
/// aspects.  In addition, for generate methods that are not supplied with a
/// configuration argument, a process-wide configuration takes effect.  See
/// @ref bdlt_fixutilconfiguration  for details.
///
/// ## FIX String Parsing {#bdlt_fixutil-fix-string-parsing}
///
///
/// The parse functions accept *all* strings that are produced by the generate
/// functions.  In addition, the parse functions accept some variation in the
/// generated strings, the details of which are discussed next.  Note that the
/// parse methods are not configurable like the generate methods (i.e., via an
/// optional `FixUtilConfiguration` argument).  Moreover, the process-wide
/// configuration has no effect on parsing either.  Instead, the parse methods
/// automatically treat `+00:00` and `Z` as equivalent timezone offsets (both
/// denoting UTC).  Finally, the parsing allows seconds to be optionally
/// specified in all types, which is in contradiction to some of the types in
/// the referenced FIX protocol specification.
///
/// ### Timezone Offsets {#bdlt_fixutil-timezone-offsets}
///
///
/// The timezone offset is optional, and can be present when parsing for *any*
/// type, i.e., even for `Date`, `Time`, and `Datetime`.  If a timezone offset
/// is parsed for a `Date`, it must be valid, so it can affect the status value
/// that is returned in that case, but it is otherwise ignored.  For `Time` and
/// `Datetime`, any timezone offset present in the parsed string will affect the
/// resulting object value (unless the timezone offset denotes UTC) because the
/// result is converted to UTC.  If the timezone offset is absent, it is treated
/// as if `+00:00` were specified:
/// @code
/// +------------------------------------+-----------------------------------+
/// |         Parsed FIX String          |        Result Object Value        |
/// +====================================+===================================+
/// |  20020317-02:00                    |  Date(2002, 03, 17)               |
/// |                                    |  # timezone offset ignored        |
/// +------------------------------------+-----------------------------------+
/// |  20020317-02:65                    |  Date: parsing fails              |
/// |                                    |  # invalid timezone offset        |
/// +------------------------------------+-----------------------------------+
/// |  15:46:09.330+04:30                |  Time(11, 16, 09, 330)            |
/// |                                    |  # converted to UTC               |
/// +------------------------------------+-----------------------------------+
/// |  15:46:09.330+04:30                |  TimeTz(Time(15, 46, 09, 330),    |
/// |                                    |         270)                      |
/// +------------------------------------+-----------------------------------+
/// |  15:46:09.330                      |  TimeTz(Time(15, 46, 09, 330),    |
/// |                                    |         0)                        |
/// |                                    |  # implied '+00:00'               |
/// +------------------------------------+-----------------------------------+
/// |  20020317-23:46:09.222-05:00       |  Datetime(Date(2002, 03, 18),     |
/// |                                    |           Time(04, 46, 09, 222))  |
/// |                                    |  # carry into 'day' attribute     |
/// |                                    |  # when converted to UTC          |
/// +------------------------------------+-----------------------------------+
/// @endcode
/// In the last example above, the conversion to UTC incurs a carry into the
/// `day` attribute of the `Date` component of the resulting `Datetime` value.
/// Note that if such a carry causes an underflow or overflow at the extreme
/// ends of the valid range of dates (0001/01/01 and 9999/12/31), then parsing
/// for `Datetime` fails.
///
/// ### Fractional Seconds {#bdlt_fixutil-fractional-seconds}
///
///
/// The fractional second is optional.  When the fractional second is absent, it
/// is treated as if `.0` were specified.  When the fractional second is
/// present, it can have one or more digits (in divergence with the referenced
/// FIX protocol document, which indicates the fractional second may be
/// unspecified or have a positive multiple of three digits).  Although FIX has
/// provision for picosecond (or finer) time resolution, be aware that `bdlt` is
/// limited to microsecond resolution.  If more than six digits are included in
/// the fractional second, values are rounded to a full microsecond; i.e.,
/// values greater than or equal to .5 microseconds are rounded up.  These
/// roundings may incur a carry of one second into the `second` attribute:
/// @code
/// +--------------------------------------+---------------------------------+
/// |          Parsed FIX String           |      Result Object Value        |
/// +======================================+=================================+
/// |  15:46:09.1                          |  Time(15, 46, 09, 100)          |
/// +--------------------------------------+---------------------------------+
/// |  15:46:09-05:00                      |  TimeTz(Time(15, 46, 09), -300) |
/// |                                      |  # implied '.0'                 |
/// +--------------------------------------+---------------------------------+
/// |  15:46:09.99999949                   |  Time(15, 46, 09, 999, 999)     |
/// |                                      |  # truncate last two digits     |
/// +--------------------------------------+---------------------------------+
/// |  15:46:09.9999995                    |  Time(15, 46, 10, 000)          |
/// |                                      |  # round up and carry           |
/// +--------------------------------------+---------------------------------+
/// @endcode
/// Note that, for `Datetime` and `DatetimeTz`, if a carry due to rounding of
/// the fractional second causes an overflow at the extreme upper end of the
/// valid range of dates (i.e., 9999/12/31), then parsing fails.
///
/// ### Leap Seconds {#bdlt_fixutil-leap-seconds}
///
///
/// Leap seconds are not representable by `bdlt::Time` or `bdlt::Datetime`.
/// Hence, they are not produced by any of the `FixUtil` generate functions.
/// However, positive leap seconds *are* supported by the parse functions.  A
/// leap second is recognized when the value parsed for the `second` attribute
/// of a `Time` is 60 -- regardless of the values parsed for the `hour`,
/// `minute`, and `millisecond` attributes.  Note that this behavior is more
/// generous than that afforded by the FIX specification (which indicates that a
/// positive leap second can only be represented as "23:59:60Z").
///
/// When a leap second is detected during parsing of a FIX string, the `second`
/// attribute is taken to be 59, so that the value of the `Time` object can be
/// validly set; then an additional second is added to the object.  Note that
/// the possible carry incurred by a leap second (i.e., when loading the result
/// of parsing into a `Datetime` or `DatetimeTz` object) has the same potential
/// for overflow as may occur with fractional seconds that are rounded up
/// (although in admittedly pathological cases).
///
/// ### The Time 24:00 {#bdlt_fixutil-the-time-24-00}
///
///
/// Although 24:00 is *representable* by `bdlt`, i.e., as the default value for
/// `bdlt::Time`, "24:00:00.000" is *not* a valid string in the FIX protocol.
/// As per other methods acting upon 24:00 within `bdlt`, an `hour` attribute
/// value of 24 is mapped to 0 by the generate functions provided by this
/// component:
/// @code
/// +------------------------------------+-----------------------------------+
/// |        Source Object Value         |       Generated FIX String        |
/// +====================================+===================================+
/// |  Time(24, 0, 0, 0)                 |  00:00:00.000                     |
/// +------------------------------------+-----------------------------------+
/// |  Datetime(Date(2002, 03, 17),      |  20020317-00:00:00.000            |
/// |           Time(24, 0, 0, 0))       |                                   |
/// +------------------------------------+-----------------------------------+
/// @endcode
/// Finally, a string representing 24:00 is rejected by the `bdlt::FixUtil`
/// parse methods.
///
/// ### Summary of Supported FIX Representations {#bdlt_fixutil-summary-of-supported-fix-representations}
///
///
/// The syntax description below summarizes the FIX string representations
/// supported by this component.  Although not quoted (for readability),
/// `[+-:.Z]` are literal characters that can occur in FIX strings.  The
/// characters `[YMDhms]` each denote a decimal digit, `{}` brackets optional
/// elements, `()` is used for grouping, and `|` separates alternatives:
/// @code
/// <Generated Date>        ::=  <DATE>
///
/// <Parsed Date>           ::=  <Parsed DateTz>
///
/// <Generated DateTz>      ::=  <DATE><ZONE>
///
/// <Parsed DateTz>         ::=  <DATE>{<ZONE>}
///
/// <Generated Time>        ::=  <TIME FLEXIBLE>
///
/// <Parsed Time>           ::=  <Parsed TimeTz>
///
/// <Generated TimeTz>      ::=  <TIME FIXED><ZONE>
///
/// <Parsed TimeTz>         ::=  <TIME FLEXIBLE>{<ZONE>}
///
/// <Generated Datetime>    ::=  <DATE>-<TIME FLEXIBLE>
///
/// <Parsed Datetime>       ::=  <Parsed DatetimeTz>
///
/// <Generated DatetimeTz>  ::=  <DATE>-<TIME FLEXIBLE><ZONE>
///
/// <Parsed DatetimeTz>     ::=  <DATE>-<TIME FLEXIBLE>{<ZONE>}
///
/// <DATE>                  ::=  YYYYMMDD
///
/// <TIME FIXED>            ::=  hh:mm:ss
///
/// <TIME FLEXIBLE>         ::=  hh:mm{:ss{.s+}}
///
/// <ZONE>                  ::=  ((+|-)hh{:mm})|Z  # timezone offset, the colon
///                                                # and minute attribute are
///                                                # optional during parsing
/// @endcode
///
/// ## Usage {#bdlt_fixutil-usage}
///
///
/// This section illustrates intended use of this component.
///
/// ### Example 1: Basic bdlt::FixUtil Usage {#bdlt_fixutil-example-1-basic-bdlt-fixutil-usage}
///
///
/// This example demonstrates basic use of one `generate` function and two
/// `parse` functions.
///
/// First, we construct a few objects that are prerequisites for this and the
/// following example:
/// @code
/// const bdlt::Date date(2005, 1, 31);     // 2005/01/31
/// const bdlt::Time time(8, 59, 59, 123);  // 08:59:59.123
/// const int        tzOffset = 240;        // +04:00 (four hours west of UTC)
/// @endcode
/// Then, we construct a `bdlt::DatetimeTz` object for which a corresponding
/// FIX-compliant string will be generated shortly:
/// @code
/// const bdlt::DatetimeTz sourceDatetimeTz(bdlt::Datetime(date, time),
///                                         tzOffset);
/// @endcode
/// For comparison with the FIX string generated below, note that streaming the
/// value of `sourceDatetimeTz` to `stdout`:
/// @code
/// bsl::cout << sourceDatetimeTz << bsl::endl;
/// @endcode
/// produces:
/// @code
/// 31JAN2005_08:59:59.123000+0400
/// @endcode
/// Next, we use a `generate` function to produce a FIX-compliant string for
/// `sourceDatetimeTz`, writing the output to a `bsl::ostringstream`, and assert
/// that both the return value and the string that is produced are as expected:
/// @code
/// bsl::ostringstream  oss;
/// const bsl::ostream& ret = bdlt::FixUtil::generate(oss, sourceDatetimeTz);
/// assert(&oss == &ret);
///
/// const bsl::string fix = oss.str();
/// assert(fix == "20050131-08:59:59.123+04:00");
/// @endcode
/// For comparison, see the output that was produced by the streaming operator
/// above.
///
/// Now, we parse the string that was just produced, loading the result of the
/// parse into a second `bdlt::DatetimeTz` object, and assert that the parse was
/// successful and that the target object has the same value as that of the
/// original (i.e., `sourceDatetimeTz`):
/// @code
/// bdlt::DatetimeTz targetDatetimeTz;
///
/// int rc = bdlt::FixUtil::parse(&targetDatetimeTz,
///                               fix.c_str(),
///                               static_cast<int>(fix.length()));
/// assert(               0 == rc);
/// assert(sourceDatetimeTz == targetDatetimeTz);
/// @endcode
/// Finally, we parse the `fix` string a second time, this time loading the
/// result into a `bdlt::Datetime` object (instead of a `bdlt::DatetimeTz`):
/// @code
/// bdlt::Datetime targetDatetime;
///
/// rc = bdlt::FixUtil::parse(&targetDatetime,
///                           fix.c_str(),
///                           static_cast<int>(fix.length()));
/// assert(                             0 == rc);
/// assert(sourceDatetimeTz.utcDatetime() == targetDatetime);
/// @endcode
/// Note that this time the value of the target object has been converted to
/// UTC.
///
/// ### Example 2: Configuring FIX String Generation {#bdlt_fixutil-example-2-configuring-fix-string-generation}
///
///
/// This example demonstrates use of a `bdlt::FixUtilConfiguration` object to
/// influence the format of the FIX strings that are generated by this component
/// by passing that configuration object to `generate`.  We also take this
/// opportunity to illustrate the flavor of the `generate` functions that
/// outputs to a `char *` buffer of a specified length.
///
/// First, we construct the `bdlt::FixUtilConfiguration` object that indicates
/// how we would like to affect the generated output FIX string.  In this case,
/// we want to have microsecond precision displayed:
/// @code
/// bdlt::FixUtilConfiguration configuration;
///
/// configuration.setFractionalSecondPrecision(6);
/// @endcode
/// Then, we define the `char *` buffer that will be used to stored the
/// generated string.  A buffer of size `bdlt::FixUtil::k_DATETIMETZ_STRLEN + 1`
/// is large enough to hold any string generated by this component for a
/// `bdlt::DatetimeTz` object, including a null terminator:
/// @code
/// const int BUFLEN = bdlt::FixUtil::k_DATETIMETZ_STRLEN + 1;
/// char      buffer[BUFLEN];
/// @endcode
/// Next, we use a `generate` function that accepts our `configuration` to
/// produce a FIX-compliant string for `sourceDatetimeTz`, this time writing the
/// output to a `char *` buffer, and assert that both the return value and the
/// string that is produced are as expected.  Note that in comparing the return
/// value against `BUFLEN - 1` we account for the fact that, although a null
/// terminator was generated, it is not included in the character count returned
/// by `generate`.  Also note that we use `bsl::strcmp` to compare the resulting
/// string knowing that we supplied a buffer having sufficient capacity to
/// accommodate a null terminator:
/// @code
/// rc = bdlt::FixUtil::generate(buffer,
///                              BUFLEN,
///                              sourceDatetimeTz,
///                              configuration);
/// assert(BUFLEN - 1 == rc);
/// assert(         0 == bsl::strcmp(buffer,
///                                  "20050131-08:59:59.123000+04:00"));
/// @endcode
/// For comparison, see the output that was produced by the streaming operator
/// above.
///
/// Next, we parse the string that was just produced, loading the result of the
/// parse into a second `bdlt::DatetimeTz` object, and assert that the parse was
/// successful and that the target object has the same value as that of the
/// original (i.e., `sourceDatetimeTz`).  Note that `BUFLEN - 1` is passed and
/// *not* `BUFLEN` because the former indicates the correct number of characters
/// in `buffer` that we wish to parse:
/// @code
/// rc = bdlt::FixUtil::parse(&targetDatetimeTz, buffer, BUFLEN - 1);
///
/// assert(               0 == rc);
/// assert(sourceDatetimeTz == targetDatetimeTz);
/// @endcode
/// Then, we parse the string in `buffer` a second time, this time loading the
/// result into a `bdlt::Datetime` object (instead of a `bdlt::DatetimeTz`):
/// @code
/// rc = bdlt::FixUtil::parse(&targetDatetime, buffer, BUFLEN - 1);
///
/// assert(                             0 == rc);
/// assert(sourceDatetimeTz.utcDatetime() == targetDatetime);
/// @endcode
/// Note that this time the value of the target object has been converted to
/// UTC.
///
/// Finally, we modify the `configuration` to display the `bdlt::DatetimeTz`
/// without fractional seconds:
/// @code
/// configuration.setFractionalSecondPrecision(0);
/// rc = bdlt::FixUtil::generate(buffer,
///                              BUFLEN,
///                              sourceDatetimeTz,
///                              configuration);
/// assert(BUFLEN - 8 == rc);
/// assert(         0 == bsl::strcmp(buffer, "20050131-08:59:59+04:00"));
/// @endcode
/// @}
/** @} */
/** @} */
 
/** @addtogroup bdl
 * @{
 */
/** @addtogroup bdlt
 * @{
 */
/** @addtogroup bdlt_fixutil
 * @{
 */
 
#include <bdlscm_version.h>
 
#include <bdlt_fixutilconfiguration.h>
 
#include <bslmf_assert.h>
#include <bslmf_issame.h>
 
#include <bsls_assert.h>
#include <bsls_libraryfeatures.h>
#include <bsls_review.h>
 
#include <bsl_ostream.h>
#include <bsl_string.h>
 
 
namespace bdlt {
 
class Date;
class DateTz;
class Datetime;
class DatetimeTz;
class Time;
class TimeTz;
 
class  FixUtilConfiguration;
 
                              // ==============
                              // struct FixUtil
                              // ==============
 
/// This `struct` provides a namespace for a suite of pure functions that
/// perform conversions between objects of `bdlt` vocabulary type and their
/// FIX representations.  Each `generate` and `generateRaw` method takes a
/// `bdlt` object (of type `Date`, `DateTz`, `Time`, `TimeTz`, `Datetime`,
/// or `DatetimeTz`) and outputs its corresponding FIX representation to a
/// user-supplied character buffer or `bsl::ostream`.  The `parse` methods
/// effect the opposite conversion in that they populate a `bdlt` object
/// from the result of parsing a FIX representation.
struct FixUtil {
 
    // TYPES
 
    /// This enumeration defines fixed lengths for the FIX representations
    /// of date, time, and datetime values.  Note that these constants do
    /// *not* account for the null terminator that may be produced by the
    /// `generate` functions taking a `bufferLength` argument.
    enum {
        k_DATE_STRLEN       =  8,  // `bdlt::Date`
        k_DATETZ_STRLEN     = 14,  // `bdlt::DateTz`
 
        k_TIME_STRLEN       = 15,  // `bdlt::Time`
        k_TIMETZ_STRLEN     = 14,  // `bdlt::TimeTz`
 
        k_DATETIME_STRLEN   = 24,  // `bdlt::Datetime`
        k_DATETIMETZ_STRLEN = 30,  // `bdlt::DatetimeTz`
 
        k_MAX_STRLEN        = k_DATETIMETZ_STRLEN
    };
 
    // CLASS METHODS
 
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const Date&                  object);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const Date&                  object,
                        const FixUtilConfiguration&  configuration);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const Time&                  object);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const Time&                  object,
                        const FixUtilConfiguration&  configuration);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const Datetime&              object);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const Datetime&              object,
                        const FixUtilConfiguration&  configuration);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const DateTz&                object);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const DateTz&                object,
                        const FixUtilConfiguration&  configuration);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const TimeTz&                object);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const TimeTz&                object,
                        const FixUtilConfiguration&  configuration);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const DatetimeTz&            object);
    static int generate(char                        *buffer,
                        int                          bufferLength,
                        const DatetimeTz&            object,
                        const FixUtilConfiguration&  configuration);
 
    static int generate(bsl::string                 *string,
                        const Date&                  object);
    static int generate(bsl::string                 *string,
                        const Date&                  object,
                        const FixUtilConfiguration&  configuration);
    static int generate(bsl::string                 *string,
                        const Time&                  object);
    static int generate(bsl::string                 *string,
                        const Time&                  object,
                        const FixUtilConfiguration&  configuration);
    static int generate(bsl::string                 *string,
                        const Datetime&              object);
    static int generate(bsl::string                 *string,
                        const Datetime&              object,
                        const FixUtilConfiguration&  configuration);
    static int generate(bsl::string                 *string,
                        const DateTz&                object);
    static int generate(bsl::string                 *string,
                        const DateTz&                object,
                        const FixUtilConfiguration&  configuration);
    static int generate(bsl::string                 *string,
                        const TimeTz&                object);
    static int generate(bsl::string                 *string,
                        const TimeTz&                object,
                        const FixUtilConfiguration&  configuration);
    static int generate(bsl::string                 *string,
                        const DatetimeTz&            object);
    static int generate(bsl::string                 *string,
                        const DatetimeTz&            object,
                        const FixUtilConfiguration&  configuration);
 
    static int generate(std::string                 *string,
                        const Date&                  object);
    static int generate(std::string                 *string,
                        const Date&                  object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::string                 *string,
                        const Time&                  object);
    static int generate(std::string                 *string,
                        const Time&                  object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::string                 *string,
                        const Datetime&              object);
    static int generate(std::string                 *string,
                        const Datetime&              object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::string                 *string,
                        const DateTz&                object);
    static int generate(std::string                 *string,
                        const DateTz&                object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::string                 *string,
                        const TimeTz&                object);
    static int generate(std::string                 *string,
                        const TimeTz&                object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::string                 *string,
                        const DatetimeTz&            object);
    /// Write the FIX representation of the specified `object` to the
    /// specified `buffer` of the specified `bufferLength` (in bytes),
    /// truncating (if necessary) to `bufferLength`.  Optionally specify a
    /// `configuration` to affect the format of the generated string.  If
    /// `configuration` is not supplied, the process-wide default value
    /// `FixUtilConfiguration::defaultConfiguration()` is used.  Return the
    /// number of characters in the formatted string before truncation (not
    /// counting a null terminator).  If `bufferLength` indicates sufficient
    /// capacity, `buffer` is null terminated.  The behavior is undefined
    /// unless `0 <= bufferLength`.  Note that a buffer of size
    /// `k_MAX_STRLEN + 1` is large enough to hold any string generated by
    /// this component (counting a null terminator, if any).
    static int generate(std::string                 *string,
                        const DatetimeTz&            object,
                        const FixUtilConfiguration&  configuration);
 
#ifdef BSLS_LIBRARYFEATURES_HAS_CPP17_PMR_STRING
    static int generate(std::pmr::string            *string,
                        const Date&                  object);
    static int generate(std::pmr::string            *string,
                        const Date&                  object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::pmr::string            *string,
                        const Time&                  object);
    static int generate(std::pmr::string            *string,
                        const Time&                  object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::pmr::string            *string,
                        const Datetime&              object);
    static int generate(std::pmr::string            *string,
                        const Datetime&              object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::pmr::string            *string,
                        const DateTz&                object);
    static int generate(std::pmr::string            *string,
                        const DateTz&                object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::pmr::string            *string,
                        const TimeTz&                object);
    static int generate(std::pmr::string            *string,
                        const TimeTz&                object,
                        const FixUtilConfiguration&  configuration);
    static int generate(std::pmr::string            *string,
                        const DatetimeTz&            object);
    /// Load the FIX representation of the specified `object` into the
    /// specified `string`.  Optionally specify a `configuration` to affect
    /// the format of the generated string.  If `configuration` is not
    /// supplied, the process-wide default value
    /// `FixUtilConfiguration::defaultConfiguration()` is used.  Return the
    /// number of characters in the formatted string.  The previous contents
    /// of `string` (if any) are discarded.
    static int generate(std::pmr::string            *string,
                        const DatetimeTz&            object,
                        const FixUtilConfiguration&  configuration);
#endif
 
    /// Write the FIX representation of the specified `object` to the
    /// specified `stream`.  Optionally specify a `configuration` to affect
    /// the format of the generated string.  If `configuration` is not
    /// supplied, the process-wide default value
    /// `FixUtilConfiguration::defaultConfiguration()` is used.  Return a
    /// reference to `stream`.  Note that `stream` is not null terminated.
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const Date&                 object);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const Date&                 object,
                                  const FixUtilConfiguration& configuration);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const Time&                 object);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const Time&                 object,
                                  const FixUtilConfiguration& configuration);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const Datetime&             object);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const Datetime&             object,
                                  const FixUtilConfiguration& configuration);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const DateTz&               object);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const DateTz&               object,
                                  const FixUtilConfiguration& configuration);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const TimeTz&               object);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const TimeTz&               object,
                                  const FixUtilConfiguration& configuration);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const DatetimeTz&           object);
    static bsl::ostream& generate(bsl::ostream&               stream,
                                  const DatetimeTz&           object,
                                  const FixUtilConfiguration& configuration);
 
    static int generateRaw(char                        *buffer,
                           const Date&                  object);
    static int generateRaw(char                        *buffer,
                           const Date&                  object,
                           const FixUtilConfiguration&  configuration);
    static int generateRaw(char                        *buffer,
                           const Time&                  object);
    static int generateRaw(char                        *buffer,
                           const Time&                  object,
                           const FixUtilConfiguration&  configuration);
    static int generateRaw(char                        *buffer,
                           const Datetime&              object);
    static int generateRaw(char                        *buffer,
                           const Datetime&              object,
                           const FixUtilConfiguration&  configuration);
    static int generateRaw(char                        *buffer,
                           const DateTz&                object);
    static int generateRaw(char                        *buffer,
                           const DateTz&                object,
                           const FixUtilConfiguration&  configuration);
    static int generateRaw(char                        *buffer,
                           const TimeTz&                object);
    static int generateRaw(char                        *buffer,
                           const TimeTz&                object,
                           const FixUtilConfiguration&  configuration);
    static int generateRaw(char                        *buffer,
                           const DatetimeTz&            object);
    /// Write the FIX representation of the specified `object` to the
    /// specified `buffer`.  Optionally specify a `configuration` to affect
    /// the format of the generated string.  If `configuration` is not
    /// supplied, the process-wide default value
    /// `FixUtilConfiguration::defaultConfiguration()` is used.  Return the
    /// number of characters in the formatted string.  `buffer` is not null
    /// terminated.  The behavior is undefined unless `buffer` has
    /// sufficient capacity.  Note that a buffer of size `k_MAX_STRLEN + 1`
    /// is large enough to hold any string generated by this component
    /// (counting a null terminator, if any).
    static int generateRaw(char                        *buffer,
                           const DatetimeTz&            object,
                           const FixUtilConfiguration&  configuration);
 
    /// Parse the specified initial `length` characters of the specified FIX
    /// `string` as a `Date` value, and load the value into the specified
    /// `result`.  Return 0 on success, and a non-zero value (with no
    /// effect) otherwise.  `string` is assumed to be of the form:
    /// @code
    /// YYYYMMDD{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `length` characters are parsed; parsing will fail if a
    /// proper prefix of `string` matches the expected format, but the
    /// entire `length` characters do not.  If the optional timezone offset
    /// is present in `string`, it is parsed but ignored.  The behavior is
    /// undefined unless `0 <= length`.
    static int parse(Date *result, const char *string, int length);
 
    /// Parse the specified initial `length` characters of the specified FIX
    /// `string` as a `Time` value, and load the value into the specified
    /// `result`.  Return 0 on success, and a non-zero value (with no
    /// effect) otherwise.  `string` is assumed to be of the form:
    /// @code
    /// hh:mm:ss{.s+}{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `length` characters are parsed; parsing will fail if a
    /// proper prefix of `string` matches the expected format, but the
    /// entire `length` characters do not.  If an optional fractional second
    /// having more than six digits is present in `string`, it is rounded
    /// to the nearest value in microseconds.  If the optional timezone
    /// offset is present in `string`, the resulting `Time` value is
    /// converted to the equivalent UTC time; if the timezone offset is
    /// absent, UTC is assumed.  If a leap second is detected (i.e., the
    /// parsed value of the `second` attribute is 60; see {Leap Seconds}),
    /// the `second` attribute is taken to be 59, then an additional second
    /// is added to `result` at the end.  The behavior is undefined unless
    /// `0 <= length`.
    static int parse(Time *result, const char *string, int length);
 
    /// Parse the specified initial `length` characters of the specified FIX
    /// `string` as a `Datetime` value, and load the value into the
    /// specified `result`.  Return 0 on success, and a non-zero value (with
    /// no effect) otherwise.  `string` is assumed to be of the form:
    /// @code
    /// YYYYMMDD-hh:mm{:ss{.s+}}{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `length` characters are parsed; parsing will fail if a
    /// proper prefix of `string` matches the expected format, but the
    /// entire `length` characters do not.  If an optional fractional second
    /// having more than six digits is present in `string`, it is rounded to
    /// the nearest value in microseconds.  If the optional timezone offset
    /// is present in `string`, the resulting `Datetime` value is converted
    /// to the equivalent UTC value; if the timezone offset is absent, UTC
    /// is assumed.  If a leap second is detected (i.e., the parsed value of
    /// the `second` attribute is 60; see {Leap Seconds}), the `second`
    /// attribute is taken to be 59, then an additional second is added to
    /// `result` at the end.  The behavior is undefined unless
    /// `0 <= length`.
    static int parse(Datetime *result, const char *string, int length);
 
    /// Parse the specified initial `length` characters of the specified FIX
    /// `string` as a `DateTz` value, and load the value into the specified
    /// `result`.  Return 0 on success, and a non-zero value (with no
    /// effect) otherwise.  `string` is assumed to be of the form:
    /// @code
    /// YYYYMMDD{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `length` characters are parsed; parsing will fail if a
    /// proper prefix of `string` matches the expected format, but the
    /// entire `length` characters do not.  If the optional timezone offset
    /// is not present in `string`, UTC is assumed.  The behavior is
    /// undefined unless `0 <= length`.
    static int parse(DateTz *result, const char *string, int length);
 
    /// Parse the specified initial `length` characters of the specified FIX
    /// `string` as a `TimeTz` value, and load the value into the specified
    /// `result`.  Return 0 on success, and a non-zero value (with no
    /// effect) otherwise.  `string` is assumed to be of the form:
    /// @code
    /// hh:mm{:ss{.s+}}{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `length` characters are parsed; parsing will fail if a
    /// proper prefix of `string` matches the expected format, but the
    /// entire `length` characters do not.  If an optional fractional second
    /// having more than six digits is present in `string`, it is rounded
    /// to the nearest value in microseconds.  If the optional timezone
    /// offset is not present in `string`, UTC is assumed.  If a leap second
    /// is detected (i.e., the parsed value of the `second` attribute is 60;
    /// see {Leap Seconds}), the `second` attribute is taken to be 59, then
    /// an additional second is added to `result` at the end.  The behavior
    /// is undefined unless `0 <= length`.
    static int parse(TimeTz *result, const char *string, int length);
 
    /// Parse the specified initial `length` characters of the specified FIX
    /// `string` as a `DatetimeTz` value, and load the value into the
    /// specified `result`.  Return 0 on success, and a non-zero value (with
    /// no effect) otherwise.  `string` is assumed to be of the form:
    /// @code
    /// YYYYMMDD-hh:mm{:ss{.s+}}{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `length` characters are parsed; parsing will fail if a
    /// proper prefix of `string` matches the expected format, but the
    /// entire `length` characters do not.  If an optional fractional second
    /// having more than six digits is present in `string`, it is rounded to
    /// the nearest value in microseconds.  If the optional timezone offset
    /// is not present in `string`, UTC is assumed.  If a leap second is
    /// detected (i.e., the parsed value of the `second` attribute is 60;
    /// see {Leap Seconds}), the `second` attribute is taken to be 59, then
    /// an additional second is added to `result` at the end.  The behavior
    /// is undefined unless `0 <= length`.
    static int parse(DatetimeTz *result, const char *string, int length);
 
    /// Parse the specified FIX `string` as a `Date` value, and load the
    /// value into the specified `result`.  Return 0 on success, and a
    /// non-zero value (with no effect) otherwise.  `string` is assumed to
    /// be of the form:
    /// @code
    /// YYYYMMDD{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `string.length()` characters are parsed; parsing will fail
    /// if a proper prefix of `string` matches the expected format, but the
    /// entire `string.length()` characters do not.  If the optional
    /// timezone offset is present in `string`, it is parsed but ignored.
    /// The behavior is undefined unless `string.data()` is non-null.
    static int parse(Date *result, const bsl::string_view& string);
 
    /// Parse the specified FIX `string` as a `Time` value, and load the
    /// value into the specified `result`.  Return 0 on success, and a
    /// non-zero value (with no effect) otherwise.  `string` is assumed to
    /// be of the form:
    /// @code
    /// hh:mm{:ss{.s+}}{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `string.length()` characters are parsed; parsing will fail
    /// if a proper prefix of `string` matches the expected format, but the
    /// entire `string.length()` characters do not.  If an optional
    /// fractional second having more than six digits is present in
    /// `string`, it is rounded to the nearest value in microseconds.  If
    /// the optional timezone offset is present in `string`, the resulting
    /// `Time` value is converted to the equivalent UTC time; if the
    /// timezone offset is absent, UTC is assumed.  If a leap second is
    /// detected (i.e., the parsed value of the `second` attribute is 60;
    /// see {Leap Seconds}), the `second` attribute is taken to be 59, then
    /// an additional second is added to `result` at the end.  The behavior
    /// is undefined unless `string.data()` is non-null.
    static int parse(Time *result, const bsl::string_view& string);
 
    /// Parse the specified FIX `string` as a `Datetime` value, and load the
    /// value into the specified `result`.  Return 0 on success, and a
    /// non-zero value (with no effect) otherwise.  `string` is assumed to
    /// be of the form:
    /// @code
    /// YYYYMMDD-hh:mm{:ss{.s+}}{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `string.length()` characters are parsed; parsing will fail
    /// if a proper prefix of `string` matches the expected format, but the
    /// entire `string.length()` characters do not.  If an optional
    /// fractional second having more than six digits is present in
    /// `string`, it is rounded to the nearest value in microseconds.  If
    /// the optional timezone offset is present in `string`, the resulting
    /// `Datetime` value is converted to the equivalent UTC value; if the
    /// timezone offset is absent, UTC is assumed.  If a leap second is
    /// detected (i.e., the parsed value of the `second` attribute is 60;
    /// see {Leap Seconds}), the `second` attribute is taken to be 59, then
    /// an additional second is added to `result` at the end.  The behavior
    /// is undefined unless `string.data()` is non-null.
    static int parse(Datetime *result, const bsl::string_view& string);
 
    /// Parse the specified FIX `string` as a `DateTz` value, and load the
    /// value into the specified `result`.  Return 0 on success, and a
    /// non-zero value (with no effect) otherwise.  `string` is assumed to
    /// be of the form:
    /// @code
    /// YYYYMMDD{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `string.length()` characters are parsed; parsing will fail
    /// if a proper prefix of `string` matches the expected format, but the
    /// entire `string.length()` characters do not.  If the optional
    /// timezone offset is not present in `string`, UTC is assumed.  The
    /// behavior is undefined unless `string.data()` is non-null.
    static int parse(DateTz *result, const bsl::string_view& string);
 
    /// Parse the specified FIX `string` as a `TimeTz` value, and load the
    /// value into the specified `result`.  Return 0 on success, and a
    /// non-zero value (with no effect) otherwise.  `string` is assumed to
    /// be of the form:
    /// @code
    /// hh:mm{:ss{.s+}}{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `string.length()` characters are parsed; parsing will fail
    /// if a proper prefix of `string` matches the expected format, but the
    /// entire `string.length()` characters do not.  If an optional
    /// fractional second having more than six digits is present in
    /// `string`, it is rounded to the nearest value in microseconds.  If
    /// the optional timezone offset is not present in `string`, UTC is
    /// assumed.  If a leap second is detected (i.e., the parsed value of
    /// the `second` attribute is 60; see {Leap Seconds}), the `second`
    /// attribute is taken to be 59, then an additional second is added to
    /// `result` at the end.  The behavior is undefined unless
    /// `string.data()` is non-null.
    static int parse(TimeTz *result, const bsl::string_view& string);
 
    /// Parse the specified FIX `string` as a `DatetimeTz` value, and load
    /// the value into the specified `result`.  Return 0 on success, and a
    /// non-zero value (with no effect) otherwise.  `string` is assumed to
    /// be of the form:
    /// @code
    /// YYYYMMDD-hh:mm{:ss{.s+}}{(+|-)hh{:mm}|Z}
    /// @endcode
    /// *Exactly* `string.length()` characters are parsed; parsing will fail
    /// if a proper prefix of `string` matches the expected format, but the
    /// entire `string.length()` characters do not.  If an optional
    /// fractional second having more than six digits is present in
    /// `string`, it is rounded to the nearest value in microseconds.  If
    /// the optional timezone offset is not present in `string`, UTC is
    /// assumed.  If a leap second is detected (i.e., the parsed value of
    /// the `second` attribute is 60; see {Leap Seconds}), the `second`
    /// attribute is taken to be 59, then an additional second is added to
    /// `result` at the end.  The behavior is undefined unless
    /// `string.data()` is non-null.
    static int parse(DatetimeTz *result, const bsl::string_view& string);
};
 
// ============================================================================
//                             INLINE DEFINITIONS
// ============================================================================
 
                              // --------------
                              // struct FixUtil
                              // --------------
 
// CLASS METHODS
inline
int FixUtil::generate(char *buffer, int bufferLength, const Date& object)
{
    BSLS_ASSERT(buffer);
    BSLS_ASSERT(0 <= bufferLength);
 
    return generate(buffer,
                    bufferLength,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(char *buffer, int bufferLength, const Time& object)
{
    BSLS_ASSERT(buffer);
    BSLS_ASSERT(0 <= bufferLength);
 
    return generate(buffer,
                    bufferLength,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int
FixUtil::generate(char *buffer, int bufferLength, const Datetime& object)
{
    BSLS_ASSERT(buffer);
    BSLS_ASSERT(0 <= bufferLength);
 
    return generate(buffer,
                    bufferLength,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(char *buffer, int bufferLength, const DateTz& object)
{
    BSLS_ASSERT(buffer);
    BSLS_ASSERT(0 <= bufferLength);
 
    return generate(buffer,
                    bufferLength,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(char *buffer, int bufferLength, const TimeTz& object)
{
    BSLS_ASSERT(buffer);
    BSLS_ASSERT(0 <= bufferLength);
 
    return generate(buffer,
                    bufferLength,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int
FixUtil::generate(char *buffer, int bufferLength, const DatetimeTz& object)
{
    BSLS_ASSERT(buffer);
    BSLS_ASSERT(0 <= bufferLength);
 
    return generate(buffer,
                    bufferLength,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(bsl::string *string, const Date& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(bsl::string *string, const Time& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(bsl::string *string, const Datetime& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(bsl::string *string, const DateTz& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(bsl::string *string, const TimeTz& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(bsl::string *string, const DatetimeTz& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::string *string, const Date& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::string *string, const Time& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::string *string, const Datetime& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::string *string, const DateTz& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::string *string, const TimeTz& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::string *string, const DatetimeTz& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
#ifdef BSLS_LIBRARYFEATURES_HAS_CPP17_PMR_STRING
inline
int FixUtil::generate(std::pmr::string *string, const Date& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::pmr::string *string, const Time& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::pmr::string *string, const Datetime& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::pmr::string *string, const DateTz& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::pmr::string *string, const TimeTz& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generate(std::pmr::string *string, const DatetimeTz& object)
{
    return generate(string,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
#endif
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream& stream, const Date& object)
{
    return generate(stream,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream&               stream,
                                const Date&                 object,
                                const FixUtilConfiguration& configuration)
{
    char buffer[k_DATE_STRLEN + 1];
 
    const int len = generate(buffer, k_DATE_STRLEN, object, configuration);
    BSLS_ASSERT(k_DATE_STRLEN >= len);
 
    return stream.write(buffer, len);
}
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream& stream, const Time& object)
{
    return generate(stream,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream&               stream,
                                const Time&                 object,
                                const FixUtilConfiguration& configuration)
{
    char buffer[k_TIME_STRLEN + 1];
 
    const int len = generate(buffer, k_TIME_STRLEN, object, configuration);
    BSLS_ASSERT(k_TIME_STRLEN >= len);
 
    return stream.write(buffer, len);
}
 
inline
bsl::ostream&
FixUtil::generate(bsl::ostream& stream, const Datetime& object)
{
    return generate(stream,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream&               stream,
                                const Datetime&             object,
                                const FixUtilConfiguration& configuration)
{
    char buffer[k_DATETIME_STRLEN + 1];
 
    const int len = generate(buffer, k_DATETIME_STRLEN, object, configuration);
    BSLS_ASSERT(k_DATETIME_STRLEN >= len);
 
    return stream.write(buffer, len);
}
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream& stream, const DateTz& object)
{
    return generate(stream,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream&               stream,
                                const DateTz&               object,
                                const FixUtilConfiguration& configuration)
{
    char buffer[k_DATETZ_STRLEN + 1];
 
    const int len = generate(buffer, k_DATETZ_STRLEN, object, configuration);
    BSLS_ASSERT(k_DATETZ_STRLEN >= len);
 
    return stream.write(buffer, len);
}
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream& stream, const TimeTz& object)
{
    return generate(stream,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream&               stream,
                                const TimeTz&               object,
                                const FixUtilConfiguration& configuration)
{
    char buffer[k_TIMETZ_STRLEN + 1];
 
    const int len = generate(buffer, k_TIMETZ_STRLEN, object, configuration);
    BSLS_ASSERT(k_TIMETZ_STRLEN >= len);
 
    return stream.write(buffer, len);
}
 
inline
bsl::ostream&
FixUtil::generate(bsl::ostream& stream, const DatetimeTz& object)
{
    return generate(stream,
                    object,
                    FixUtilConfiguration::defaultConfiguration());
}
 
inline
bsl::ostream& FixUtil::generate(bsl::ostream&               stream,
                                const DatetimeTz&           object,
                                const FixUtilConfiguration& configuration)
{
    char buffer[k_DATETIMETZ_STRLEN + 1];
 
    const int len = generate(buffer,
                             k_DATETIMETZ_STRLEN,
                             object,
                             configuration);
    BSLS_ASSERT(k_DATETIMETZ_STRLEN >= len);
 
    return stream.write(buffer, len);
}
 
inline
int FixUtil::generateRaw(char *buffer, const Date& object)
{
    BSLS_ASSERT(buffer);
 
    return generateRaw(buffer,
                       object,
                       FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generateRaw(char *buffer, const Time& object)
{
    BSLS_ASSERT(buffer);
 
    return generateRaw(buffer,
                       object,
                       FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generateRaw(char *buffer, const Datetime& object)
{
    BSLS_ASSERT(buffer);
 
    return generateRaw(buffer,
                       object,
                       FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generateRaw(char *buffer, const DateTz& object)
{
    BSLS_ASSERT(buffer);
 
    return generateRaw(buffer,
                       object,
                       FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generateRaw(char *buffer, const TimeTz& object)
{
    BSLS_ASSERT(buffer);
 
    return generateRaw(buffer,
                       object,
                       FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::generateRaw(char *buffer, const DatetimeTz& object)
{
    BSLS_ASSERT(buffer);
 
    return generateRaw(buffer,
                       object,
                       FixUtilConfiguration::defaultConfiguration());
}
 
inline
int FixUtil::parse(Date *result, const bsl::string_view& string)
{
    BSLS_ASSERT(string.data());
 
    return parse(result, string.data(), static_cast<int>(string.length()));
}
 
inline
int FixUtil::parse(Time *result, const bsl::string_view& string)
{
    BSLS_ASSERT(string.data());
 
    return parse(result, string.data(), static_cast<int>(string.length()));
}
 
inline
int FixUtil::parse(Datetime *result, const bsl::string_view& string)
{
    BSLS_ASSERT(string.data());
 
    return parse(result, string.data(), static_cast<int>(string.length()));
}
 
inline
int FixUtil::parse(DateTz *result, const bsl::string_view& string)
{
    BSLS_ASSERT(string.data());
 
    return parse(result, string.data(), static_cast<int>(string.length()));
}
 
inline
int FixUtil::parse(TimeTz *result, const bsl::string_view& string)
{
    BSLS_ASSERT(string.data());
 
    return parse(result, string.data(), static_cast<int>(string.length()));
}
 
inline
int FixUtil::parse(DatetimeTz *result, const bsl::string_view& string)
{
    BSLS_ASSERT(string.data());
 
    return parse(result, string.data(), static_cast<int>(string.length()));
}
 
}  // close package namespace
 
 
#endif
 
// ----------------------------------------------------------------------------
// Copyright 2017 Bloomberg Finance L.P.
//
// 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.
// ----------------------------- END-OF-FILE ----------------------------------
 
/** @} */
/** @} */
/** @} */