#!/bin/false
# PODNAME: BZ::Client::XMLRPC::Struct
# ABSTRACT: Event handler for parsing a single XML-RPC struct.

use strict;
use warnings 'all';

package BZ::Client::XMLRPC::Struct;
$BZ::Client::XMLRPC::Struct::VERSION = '4.4002';
use parent qw( BZ::Client::XMLRPC::Handler );

sub init {
    my ($self, $parser) = @_;
    $self->SUPER::init($parser);
    $self->{'result'} = {}
}

sub start {
    my($self,$name) = @_;
    my $l = $self->inc_level();
    if ($l == 0) {
        if ('struct' ne $name) {
            $self->error("Expected struct element, got $name");
        }
    }
    elsif ($l == 1) {
        if ('member' ne $name) {
            $self->error("Expected struct/member element, got $name");
        }
        $self->{'current_name'} = undef;
        $self->{'parsing_name'} = undef;
    }
    elsif ($l == 2) {
        if ('name' eq $name) {
            $self->error('Multiple name elements in struct/member')
                if defined $self->{'parsing_name'};
            $self->{'parsing_name'} = q();
        }
        elsif ('value' eq $name) {
            my $current_name = $self->{'current_name'};
            $self->error('Expected struct/member/name element, got value')
                unless defined $current_name;
            $self->error('Multiple value elements in struct/member, or multiple members with the same name.')
                if defined $self->{'result'}->{$current_name};
            my $handler = BZ::Client::XMLRPC::Value->new();
            $self->parser()->register($self, $handler, sub {
                $self->{'result'}->{$current_name} = $handler->result()
            });
            $handler->start($name);
        }
        else {
            $self->error("Expected name|value element in struct/member, got $name");
        }
    }
    else {
        $self->error("Unexpected level $l with element $name");
    }
}

sub end {
    my($self,$name) = @_;
    my $l = $self->SUPER::end($name);
    if ($l == 2 and defined($self->{'parsing_name'})) {
        $self->{'current_name'} = $self->{'parsing_name'};
    }
    return $l
}

sub characters {
    my($self, $text) = @_;
    my $l = $self->level();
    if ($l == 3 and defined($self->{'parsing_name'})) {
        $self->{'parsing_name'} .= $text;
    }
    else {
        $self->SUPER::characters($text);
    }
}

sub result {
    my $self = shift;
    return $self->{'result'}
}

1;

__END__

=pod

=encoding UTF-8

=head1 NAME

BZ::Client::XMLRPC::Struct - Event handler for parsing a single XML-RPC struct.

=head1 VERSION

version 4.4002

=head1 AUTHORS

=over 4

=item *

Dean Hamstead <dean@bytefoundry.com.au>

=item *

Jochen Wiedmann <jochen.wiedmann@gmail.com>

=back

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2017 by Dean Hamstad.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut