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lib/DateTime/Format/RelativeTime.pm  view on Meta::CPAN

            {
                $decimal = $ref->{value};
                last LOCALE;
            }
        }
    }

    my $parts = $self->_format_to_parts(
        pattern => $pattern,
        unit => $unit,
        value => $num,
        ( defined( $decimal ) ? ( decimal => $decimal ) : () ),
    ) || return( $self->pass_error );
    return( $parts );
}

sub formatToParts { return( shift->format_to_parts( @_ ) ); }

sub pass_error
{
    my $self = shift( @_ );
    my $pack = ref( $self ) || $self;
    my $opts = {};
    my( $err, $class, $code );
    no strict 'refs';
    if( scalar( @_ ) )
    {
        # Either an hash defining a new error and this will be passed along to error(); or
        # an hash with a single property: { class => 'Some::ExceptionClass' }
        if( scalar( @_ ) == 1 && ref( $_[0] ) eq 'HASH' )
        {
            $opts = $_[0];
        }
        else
        {
            if( scalar( @_ ) > 1 && ref( $_[-1] ) eq 'HASH' )
            {
                $opts = pop( @_ );
            }
            $err = $_[0];
        }
    }
    $err = $opts->{error} if( !defined( $err ) && CORE::exists( $opts->{error} ) && defined( $opts->{error} ) && CORE::length( $opts->{error} ) );
    # We set $class only if the hash provided is a one-element hash and not an error-defining hash
    $class = $opts->{class} if( CORE::exists( $opts->{class} ) && defined( $opts->{class} ) && CORE::length( $opts->{class} ) );
    $code  = $opts->{code} if( CORE::exists( $opts->{code} ) && defined( $opts->{code} ) && CORE::length( $opts->{code} ) );
    
    # called with no argument, most likely from the same class to pass on an error 
    # set up earlier by another method; or
    # with an hash containing just one argument class => 'Some::ExceptionClass'
    if( !defined( $err ) && ( !scalar( @_ ) || defined( $class ) ) )
    {
        # $error is a previous erro robject
        my $error = ref( $self ) ? $self->{error} : length( ${ $pack . '::ERROR' } ) ? ${ $pack . '::ERROR' } : undef;
        if( !defined( $error ) )
        {
            warn( "No error object provided and no previous error set either! It seems the previous method call returned a simple undef" );
        }
        else
        {
            $err = ( defined( $class ) ? bless( $error => $class ) : $error );
            $err->code( $code ) if( defined( $code ) );
        }
    }
    elsif( defined( $err ) && 
           Scalar::Util::blessed( $err ) && 
           ( scalar( @_ ) == 1 || 
             ( scalar( @_ ) == 2 && defined( $class ) ) 
           ) )
    {
        $self->{error} = ${ $pack . '::ERROR' } = ( defined( $class ) ? bless( $err => $class ) : $err );
        $self->{error}->code( $code ) if( defined( $code ) && $self->{error}->can( 'code' ) );
        
        if( $self->{fatal} || ( defined( ${"${class}\::FATAL_EXCEPTIONS"} ) && ${"${class}\::FATAL_EXCEPTIONS"} ) )
        {
            die( $self->{error} );
        }
    }
    # If the error provided is not an object, we call error to create one
    else
    {
        return( $self->error( @_ ) );
    }
    
    if( want( 'OBJECT' ) )
    {
        rreturn( DateTime::Format::RelativeTime::NullObject->new );
    }
    return;
}

sub resolvedOptions { return( shift->_set_get_prop( 'resolvedOptions', @_ ) ); }

sub supportedLocalesOf
{
    my $self = shift( @_ );
    my $locales = shift( @_ );
    my $opts = $self->_get_args_as_hash( @_ );
    my $res = [];
    if( !defined( $locales ) || !length( $locales ) || ( ( Scalar::Util::reftype( $locales ) // '' ) eq 'ARRAY' && !scalar( @$locales ) ) )
    {
        return( $res );
    }
    $locales = ( Scalar::Util::reftype( $locales ) // '' ) eq 'ARRAY' ? $locales : [$locales];
    my $cldr = $self->_cldr || return( $self->pass_error );
    LOCALE: for( my $i = 0; $i < scalar( @$locales ); $i++ )
    {
        my $locale = Locale::Intl->new( $locales->[$i] ) ||
            return( $self->pass_error( Locale::Intl->error ) );
        my $tree = $cldr->make_inheritance_tree( $locale->core ) ||
            return( $self->pass_error( $cldr->error ) );
        # Remove the last one, which is 'und', a.k.a 'root'
        pop( @$tree );
        foreach my $loc ( @$tree )
        {
            my $all = $cldr->time_relatives_l10n(
                locale => $loc,
            );
            if( $all && ref( $all ) eq 'ARRAY' && scalar( @$all ) )
            {
                push( @$res, $loc );
                next LOCALE;
            }
        }
    }
    return( $res );
}

sub _cldr
{
    my $self = shift( @_ );

lib/DateTime/Format/RelativeTime.pm  view on Meta::CPAN

        my $msg  = shift( @_ );
        $e = $self->new({
            skip_frames => 1,
            message => $msg,
        });
    }
    else
    {
        $e = $self;
    }
    die( $e );
}

sub type { return( shift->reset(@_)->_set_get_prop( 'type', @_ ) ); }

sub _set_get_prop
{
    my $self = shift( @_ );
    my $prop = shift( @_ ) || die( "No object property was provided." );
    $self->{ $prop } = shift( @_ ) if( @_ );
    return( $self->{ $prop } );
}

sub FREEZE
{
    my $self = CORE::shift( @_ );
    my $serialiser = CORE::shift( @_ ) // '';
    my $class = CORE::ref( $self );
    my %hash  = %$self;
    # Return an array reference rather than a list so this works with Sereal and CBOR
    # On or before Sereal version 4.023, Sereal did not support multiple values returned
    CORE::return( [$class, \%hash] ) if( $serialiser eq 'Sereal' && Sereal::Encoder->VERSION <= version->parse( '4.023' ) );
    # But Storable want a list with the first element being the serialised element
    CORE::return( $class, \%hash );
}

sub STORABLE_freeze { return( shift->FREEZE( @_ ) ); }

sub STORABLE_thaw { return( shift->THAW( @_ ) ); }

# NOTE: CBOR will call the THAW method with the stored classname as first argument, the constant string CBOR as second argument, and all values returned by FREEZE as remaining arguments.
# NOTE: Storable calls it with a blessed object it created followed with $cloning and any other arguments initially provided by STORABLE_freeze
sub THAW
{
    my( $self, undef, @args ) = @_;
    my $ref = ( CORE::scalar( @args ) == 1 && CORE::ref( $args[0] ) eq 'ARRAY' ) ? CORE::shift( @args ) : \@args;
    my $class = ( CORE::defined( $ref ) && CORE::ref( $ref ) eq 'ARRAY' && CORE::scalar( @$ref ) > 1 ) ? CORE::shift( @$ref ) : ( CORE::ref( $self ) || $self );
    my $hash = CORE::ref( $ref ) eq 'ARRAY' ? CORE::shift( @$ref ) : {};
    my $new;
    # Storable pattern requires to modify the object it created rather than returning a new one
    if( CORE::ref( $self ) )
    {
        foreach( CORE::keys( %$hash ) )
        {
            $self->{ $_ } = CORE::delete( $hash->{ $_ } );
        }
        $new = $self;
    }
    else
    {
        $new = CORE::bless( $hash => $class );
    }
    CORE::return( $new );
}

sub TO_JSON { return( shift->as_string ); }

{
    # NOTE: DateTime::Format::RelativeTime::NullObject class
    package
        DateTime::Format::RelativeTime::NullObject;
    BEGIN
    {
        use strict;
        use warnings;
        use overload (
            '""'    => sub{ '' },
            fallback => 1,
        );
        use Wanted;
    };
    use strict;
    use warnings;

    sub new
    {
        my $this = shift( @_ );
        my $ref = @_ ? { @_ } : {};
        return( bless( $ref => ( ref( $this ) || $this ) ) );
    }

    sub AUTOLOAD
    {
        my( $method ) = our $AUTOLOAD =~ /([^:]+)$/;
        my $self = shift( @_ );
        if( want( 'OBJECT' ) )
        {
            rreturn( $self );
        }
        # Otherwise, we return undef; Empty return returns undef in scalar context and empty list in list context
        return;
    };
}

1;
# NOTE: POD
__END__

=encoding utf-8

=head1 NAME

DateTime::Format::RelativeTime - A Web Intl.RelativeTimeFormat Class Implementation

=head1 SYNOPSIS

    use DateTime::Lite;
    # or
    use DateTime;
    use DateTime::Format::RelativeTime;
    my $fmt = DateTime::Format::RelativeTime->new(