70546d0b9b
"custom search" UI controls on the advanced search form. r=mkanat, a=mkanat (module owner) git-svn-id: svn://10.0.0.236/trunk@262391 18797224-902f-48f8-a5cc-f745e15eee43
139 lines
3.9 KiB
Perl
139 lines
3.9 KiB
Perl
# -*- Mode: perl; indent-tabs-mode: nil -*-
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#
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# The contents of this file are subject to the Mozilla Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is the Bugzilla Bug Tracking System.
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#
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# The Initial Developer of the Original Code is BugzillaSource, Inc.
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# Portions created by the Initial Developer are Copyright (C) 2011 the
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# Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Max Kanat-Alexander <mkanat@bugzilla.org>
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package Bugzilla::Search::Clause;
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use strict;
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use Bugzilla::Error;
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use Bugzilla::Search::Condition qw(condition);
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use Bugzilla::Util qw(trick_taint);
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sub new {
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my ($class, $joiner) = @_;
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if ($joiner and $joiner ne 'OR' and $joiner ne 'AND') {
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ThrowCodeError('search_invalid_joiner', { joiner => $joiner });
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}
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# This will go into SQL directly so needs to be untainted.
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trick_taint($joiner) if $joiner;
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bless { joiner => $joiner || 'AND' }, $class;
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}
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sub children {
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my ($self) = @_;
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$self->{children} ||= [];
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return $self->{children};
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}
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sub joiner { return $_[0]->{joiner} }
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sub has_translated_conditions {
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my ($self) = @_;
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my $children = $self->children;
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return 1 if grep { $_->isa('Bugzilla::Search::Condition')
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&& $_->translated } @$children;
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foreach my $child (@$children) {
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next if $child->isa('Bugzilla::Search::Condition');
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return 1 if $child->has_translated_conditions;
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}
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return 0;
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}
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sub add {
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my $self = shift;
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my $children = $self->children;
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if (@_ == 3) {
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push(@$children, condition(@_));
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return;
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}
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my ($child) = @_;
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return if !defined $child;
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$child->isa(__PACKAGE__) || $child->isa('Bugzilla::Search::Condition')
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|| die 'child not the right type: ' . $child;
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push(@{ $self->children }, $child);
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}
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sub negate {
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my ($self, $value) = @_;
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if (@_ == 2) {
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$self->{negate} = $value ? 1 : 0;
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}
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return $self->{negate};
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}
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sub walk_conditions {
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my ($self, $callback) = @_;
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foreach my $child (@{ $self->children }) {
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if ($child->isa('Bugzilla::Search::Condition')) {
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$callback->($child);
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}
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else {
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$child->walk_conditions($callback);
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}
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}
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}
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sub as_string {
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my ($self) = @_;
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my @strings;
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foreach my $child (@{ $self->children }) {
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next if $child->isa(__PACKAGE__) && !$child->has_translated_conditions;
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next if $child->isa('Bugzilla::Search::Condition')
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&& !$child->translated;
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my $string = $child->as_string;
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if ($self->joiner eq 'AND') {
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$string = "( $string )" if $string =~ /OR/;
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}
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else {
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$string = "( $string )" if $string =~ /AND/;
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}
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push(@strings, $string);
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}
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my $sql = join(' ' . $self->joiner . ' ', @strings);
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$sql = "NOT( $sql )" if $sql && $self->negate;
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return $sql;
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}
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# Search.pm converts URL parameters to Clause objects. This helps do the
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# reverse.
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sub as_params {
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my ($self) = @_;
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my @params;
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foreach my $child (@{ $self->children }) {
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if ($child->isa(__PACKAGE__)) {
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my %open_paren = (f => 'OP', n => scalar $child->negate,
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j => $child->joiner);
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push(@params, \%open_paren);
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push(@params, $child->as_params);
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my %close_paren = (f => 'CP');
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push(@params, \%close_paren);
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}
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else {
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push(@params, $child->as_params);
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}
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}
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return @params;
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}
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1;
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