NAME

MARC::Spec::Indicator - indicator specification

SYNOPSIS

    use MARC::Spec::Indicator;
    
    my $indicator = MARC::Spec::Indicator->new('2');
    say ref $indicator;           # MARC::Spec::Indicator
    say $field->position;         # 2

DESCRIPTION

MARC::Spec::Indicator is the indicator specification of a MARC::Spec.

See MARCspec - A common MARC record path language for further details on the syntax.

METHODS

new(Str)

Create a new MARC::Spec::Indicator instance. Parameter must be a valid MARCspec indicatorPosition.

add_subspec(MARC::Spec::Subspec)

Appends a subspec to the array of the attribute subspecs. Parameter must be an instance of MARC::Spec::Subspec.

add_subspecs(ArrayRef[MARC::Spec::Subspec])

Appends subspecs to the array of the attribute subspecs. Parameter must be an ArrayRef and elements must be instances of MARC::Spec::Subspec.

to_string

Returns the spec as a string.

PREDICATES

has_position

True if attribute position has an value and false otherwise.

has_subspecs

Returns true if attribute subspecs has an value and false otherwise.

ATTRIBUTES

Some attributes are inherited from MARC::Spec::Structure.

base

Obligatory. Scalar. The base Field spec without subspecs.

position

Obligatory. The indicator position.

subspecs

Optional. An array of instances of MARC::Spec::Subspec, thus all subspecs in this array MUST be validated as a combination with the boolean 'AND', and/or an array of arrays (AoA) of instances of MARC::Spec::Subspec, thus all subspecs in this AoA must be validated as a combination with the boolean 'OR'.

See MARC::Spec::Subspec for description of attributes of MARC::Spec::Subspec.

AUTHOR

Carsten Klee <klee at cpan.org>

CONTRIBUTORS

• Johann Rolschewski, <jorol at cpan>

COPYRIGHT AND LICENSE

This software is copyright (c) 2016 by Carsten Klee.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

BUGS

Please report any bugs to https://github.com/MARCspec/MARC-Spec/issues

SEE ALSO

MARC::Spec, MARC::Spec::Subfield, MARC::Spec::Field, MARC::Spec::Subspec, MARC::Spec::Structure, MARC::Spec::Comparisonstring, MARC::Spec::Parser

cpanm MARC::Spec

perl -MCPAN -e shell
install MARC::Spec