=head1 NAME

Attean::API::AtOnceParser - Role for parsers that natively parse all input before returning any data

=head1 VERSION

This document describes Attean::API::AtOnceParser version 0.023

=head1 DESCRIPTION

The Attean::API::AtOnceParser role defines parsers that must parse all input
data before any objects are constructed and returned or passed to callback
functions. This role adds methods that builds on this functionality to allow
parsing data using different approaches.

=head1 ROLES

This role consumes the L<Attean::API::Parser> role.

=head1 REQUIRED METHODS

Classes consuming this role must provide the following methods:

=over 4

=item C<< parse_list_from_io( $fh ) >>

Returns a list of all objects that result from parsing the data read from the
L<IO::Handle> object C<< $fh >>.

=item C<< parse_list_from_bytes( $data ) >>

Returns a list of all objects that result from parsing the data read from the
UTF-8 encoded byte string C<< $data >>.

=back

=head1 METHODS

This role provides default implementations of the following methods:

=over 4

=item C<< parse_iter_from_io( $fh ) >>

Returns an L<Attean::API::Iterator> that result from parsing the data read from
the L<IO::Handle> object C<< $fh >>.

=item C<< parse_iter_from_bytes( $data ) >>

Returns an L<Attean::API::Iterator> that result from parsing the data read from
the UTF-8 encoded byte string C<< $data >>.

=item C<< parse_cb_from_io( $fh ) >>

Calls the C<< $parser->handler >> function once for each object that result
from parsing the data read from the L<IO::Handle> object C<< $fh >>.

=item C<< parse_cb_from_bytes( $data ) >>

Calls the C<< $parser->handler >> function once for each object that result
from parsing the data read from the UTF-8 encoded byte string C<< $data >>.

=back

=head1 BUGS

Please report any bugs or feature requests to through the GitHub web interface
at L<https://github.com/kasei/attean/issues>.

=head1 SEE ALSO



=head1 AUTHOR

Gregory Todd Williams  C<< <gwilliams@cpan.org> >>

=head1 COPYRIGHT

Copyright (c) 2014--2019 Gregory Todd Williams.
This program is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.

=cut