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Text::Query::Solve

Section: User Contributed Perl Documentation (3)
Updated: perl v5.6.0
Index

NAME

Text::Query::Solve - Base class for query resolution

SYNOPSIS

    package Text::Query::SolveSource;

    use Text::Query::Parse;

    use vars qw(@ISA);

    @ISA = qw(Text::Query::Solve);

DESCRIPTION

This module provides a virtual base class for query resolution.

It defines the `match' and `matchscalar' method that is called by the `Text::Query'object to apply a query on a data source.

METHODS

match (EXPR [TARGET])

If `TARGET' is a scalar, `match' returns a true value if the data source specified by `TARGET' matches the `EXPR' query expression. If `TARGET' is not given, the match is made against `$_'.

If `TARGET' is an array, `match' returns a (possibly empty) list of all matching elements. If the elements of the array are references to sub- arrays, the match is done against the first element of each sub-array. This allows arbitrary information (e.g. filenames) to be associated with each data source to match.

If `TARGET' is a reference to an array, `match' returns a reference to a (possibly empty) list of all matching elements.

matchscalar (EXPR [TARGET])

Behaves just like `MATCH' when `TARGET' is a scalar or is not given.

AUTHORS

Eric Bohlman (ebohlmanAATTnetcom.com)

Loic Dachary (loicAATTsenga.org)

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