File Coverage

blib/lib/Text/Query/Parse.pm

Criterion	Covered	Total	%
statement	52	58	89.6
branch	4	6	66.6
condition			n/a
subroutine	18	20	90.0
pod	3	18	16.6
total	77	102	75.4

#
#   Copyright (C) 1999 Eric Bohlman, Loic Dachary
#
#   This program is free software; you can redistribute it and/or modify it
#   under the terms of the GNU General Public License as published by the
#   Free Software Foundation; either version 2, or (at your option) any
#   later version.  You may also use, redistribute and/or modify it
#   under the terms of the Artistic License supplied with your Perl
#   distribution
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

package Text::Query::Parse;

use strict;

use Carp;

sub new {
  my $class=shift;
  my $self={};
  bless $self, $class;

  $self->initialize();

  return $self;
}

sub initialize {
}

sub prepare {
  my $self=shift;
  my $qstring=shift;

  @_ = ( %{$self->{parseopts}}, @_ ) if($self->{parseopts});
  $self->{parseopts} = { -regexp=>0, -litspace=>0, -case=>0, -whole=>0, -quotes=>"\\'\\\"", @_ };
  croak("no builder") if(!$self->{-build});
  $self->{-build}->{parseopts} = $self->{parseopts};

  delete($self->{'token'});
  delete($self->{'tokens'});
  $self->build_init();

  $self->parse_tokens($qstring);

  croak("no token found") if(!@{$self->{'tokens'}});

  return $self->build_final_expression($self->expression());
}

#parsing routines

sub expression($) {
    my($self) = @_;

    croak("not implemented");

    return "expression";
}

sub parse_tokens($) {
    my($self, $qstring) = @_;

    croak("not implemented");

    $self->{'tokens'} = [];
}

#
# Access builder functions
#

sub build_init {
    my($self) = @_;

    return $self->{-build}->build_init();
}

sub build_final_expression {
    my($self, $t1) = @_;

    return $self->{-build}->build_final_expression($t1);
}

sub build_expression {
    my($self, $l, $r) = @_;

    return $self->{-build}->build_expression($l, $r);
}

sub build_expression_finish {
    my($self, $l) = @_;

    return $self->{-build}->build_expression_finish($l);
}

sub build_conj {
    my($self, $l, $r, $first) = @_;

    return $self->{-build}->build_conj($l, $r, $first);
}

sub build_near {
    my($self, $l, $r) = @_;

    return $self->{-build}->build_near($l, $r);
}

sub build_concat {
    my($self, $l, $r) = @_;

    return $self->{-build}->build_concat($l, $r);
}

sub build_negation {
    my($self, $t) = @_;

    return $self->{-build}->build_negation($t);
}

sub build_literal {
    my($self, $t) = @_;

    return $self->{-build}->build_literal($t);
}

sub build_scope_start {
    my($self) = @_;

    return $self->{-build}->build_scope_start($self->{scope});
}

sub build_scope_end {
    my($self, $t) = @_;

    return $self->{-build}->build_scope_end($self->{scope}, $t);
}

sub build_mandatory {
    my($self, $t) = @_;

    return $self->{-build}->build_mandatory($t);
}

sub build_forbiden {
    my($self, $t) = @_;

    return $self->{-build}->build_forbiden($t);
}

1;

__END__