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Catmandu-PICA-0.14
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/ PICA::Path

NAME

PICA::Path

VERSION

version 0.14

DESCRIPTION

PICA path expressions can be used to match fields and subfields of PICA::Data records. An instance of PICA::Path is a blessed array reference, consisting of the following fields:

  • regular expression to match fields against

  • regular expression to match occurrences against, or undefined

  • regular expression to match subfields against

  • substring start position

  • substring end position

NAME

PICA::Path - PICA path expression to match field and subfield values

METHODS

match_field( $field )

Check whether a given PICA field matches the field and occurrence of this path. Returns the $field on success.

match_subfields( $field )

Returns a list of matching subfields (optionally trimmed by from and length) without inspection of field and occurrence values.

stringify( [ short ] )

Stringifies the PICA path to normalized form. Subfields are separated with $, unless called as stringify(1) or the first subfield is $.

AUTHOR

Johann Rolschewski <rolschewski@gmail.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2014 by Johann Rolschewski.

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