NAME¶
MARC::Spec::Structure - base class
SYNOPSIS¶
use MARC::Spec::Field;
# create a new field
my $field = MARC::Spec::Field->new('246');
# field does inherit all attributes, predicates and methods
say $field->DOES('MARC::Spec::Structure'); # 1
DESCRIPTION¶
Is the base class for MARC::Spec::Field and MARC::Spec::Subfield.
METHODS¶
set_index_start_end (Str)¶
Sets MARC::Spec::Structure::$index_start and MARC::Spec::Structure::$index_end
from an index position or range.
set_char_start_end (Str)¶
Sets MARC::Spec::Structure::$char_start and MARC::Spec::Structure::$char_end
from an character position or range.
add_subspec(MARC::Spec::Subspec)¶
Appends a subspec to the array of the attribute subspecs. Parameter must be an
instance of MARC::Spec::Subspec.
add_subspecs(ArrayRef[MARC::Spec::Subspec])¶
Appends subspecs to the array of the attribute subspecs. Parameter must be an
ArrayRef and elements must be instances of MARC::Spec::Subspec.
PREDICATES¶
has_char_start¶
True if attribute char_start has an value and false otherwise.
has_char_end¶
True if attribute char_end has an value and false otherwise.
has_char_pos¶
True if attribute char_pos has an value and false otherwise.
has_subspecs¶
Returns true if attribute subspecs has an value and false otherwise.
ATTRIBUTES¶
base¶
Obligatory. Scalar. Normalized MARCspec without Subspecs.
char_start¶
If defined, the beginning character position of a character position or range.
char_end¶
If defined, the ending character position of a character position or range. Only
present if MARC::Spec::Structure::$char_start is defined.
char_length¶
The difference of MARC::Spec::Structure::$char_start and
MARC::Spec::Structure::$char_end if both are numeric (or else -1). Only
present if MARC::Spec::Structure::$char_start is defined.
char_pos¶
If defined, the character position or range. Only present if
MARC::Spec::Structure::$char_start is defined.
index_start¶
Obligatory. The beginning index of field repetitions. Maybe a positiv integer or
the character '#'. Default is 0.
index_end¶
Obligatory. The ending index of field repetitions. Maybe a positiv integer or
the character '#'. Default is '#'.
index_length¶
Obligatory. The difference of MARC::Spec::Structure::$index_start and
MARC::Spec::Structure::$index_end if both are numeric. Default is -1.
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.
SEE ALSO¶
- MARC::Spec
- MARC::Spec::Field
- MARC::Spec::Subfield
- MARC::Spec::Indicator
- MARC::Spec::Subspec
- MARC::Spec::Comparisonstring
- MARC::Spec::Parser