view Lib/IMPL/DOM/Schema/NodeList.pm @ 250:129e48bb5afb

DOM refactoring ObjectToDOM methods are virtual QueryToDOM uses inflators Fixed transform for the complex values in the ObjectToDOM QueryToDOM doesn't allow to use complex values (HASHes) as values for nodes (overpost problem)
author sergey
date Wed, 07 Nov 2012 04:17:53 +0400
parents b8c724f6de36
children 648dfaf642e0
line wrap: on
line source

package IMPL::DOM::Schema::NodeList;
use strict;
use warnings;
use parent qw(IMPL::DOM::Node);

use IMPL::Class::Property;
use IMPL::DOM::Property qw(_dom);
require IMPL::DOM::Schema::ValidationError;

our %CTOR = (
    'IMPL::DOM::Node' => sub { nodeName => 'NodeList' }
);

BEGIN {
    public _dom property messageUnexpected => prop_all;
    public _dom property messageNodesRequired => prop_all;
}

sub CTOR {
    my ($this,%args) = @_;
    
    $this->messageUnexpected($args{messageUnexpected} || 'A %node.nodeName% isn\'t allowed in %node.parentNode.path%');
    $this->messageNodesRequired($args{messageNodesRequired} || 'A %schema.name% is required in the node %parent.path%');
}

sub Validate {
    my ($this,$node,$ctx) = @_;
    
    my @nodes = map {
        {nodeName => $_->name, anyNode => $_->isa('IMPL::DOM::Schema::AnyNode') , Schema => $_, Max => $_->maxOccur eq 'unbounded' ? undef : $_->maxOccur, Min => $_->minOccur, Seen => 0 }
    } @{$this->childNodes};
    
    my $info = shift @nodes;
    my $sourceSchema = $ctx->{Source} || $this->parentNode;
    
    foreach my $child ( @{$node->childNodes} ) {
        #skip schema elements
        while ($info and not $info->{anyNode} and $info->{nodeName} ne $child->nodeName) {
            # if possible of course :)
            return new IMPL::DOM::Schema::ValidationError (
                message => $this->messageUnexpected,
                node => $child,
                parent => $node,
                schema => $info->{Schema},
                source => $sourceSchema
            ) if $info->{Min} > $info->{Seen};
            
            $info = shift @nodes;
        }
        
        # return error if no more children allowed
        return new IMPL::DOM::Schema::ValidationError (
            message => $this->messageUnexpected,
            node => $child,
            parent => $node,
            source => $sourceSchema
        ) unless $info;
        
        # it's ok, we found schema element for child
        # but it may be any node or switching node wich would not satisfy current child

        # validate
        while (my @errors = $info->{Schema}->Validate($child)) {
            if( $info->{anyNode} and $info->{Seen} >= $info->{Min} ) {
                # in case of any or switch node, skip it if possible
                next if $info = shift @nodes;
            }
            return @errors;
        }
        
        $info->{Seen}++;
        
        # check count limits
        return new IMPL::DOM::Schema::ValidationError (
            message => $this->messageUnexpected,
            node => $child,
            parent => $node,
            source => $sourceSchema,
        ) if $info->{Max} and $info->{Seen} > $info->{Max};
    }
    
    # no more children left (but may be should :)
    while ($info) {
        return new IMPL::DOM::Schema::ValidationError (
            error => 1,
            message => $this->messageNodesRequired,
            source => $sourceSchema,
            parent => $node,
            schema => $info->{Schema}
        ) if $info->{Seen} < $info->{Min};
        
        $info = shift @nodes;
    }
    return;
}

1;

__END__

=pod

=head1 DESCRIPTION

Содержимое для сложного узла. Порядок важен. Дочерними элементами могут быть
только C<IMPL::DOM::Schema::ComplexNode> и C<IMPL::DOM::Schema::SimpleNode>.

=cut