lib/CWMP/Request.pm

package CWMP::Request;

use warnings;
use strict;

use XML::Rules;
use Data::Dump qw/dump/;
use Carp qw/confess cluck/;

=head1 NAME

CWMP::Request - parse SOAP request

=head1 METHODS

=head2 _tag

Get value of tag. Tag name is case insensitive (don't ask why),
we ignore namespaces and can take optional C<sub_key>
(usually C<_content>).

  _tag( $tag_hash, $name, $sub_key )

=cut

sub _tag {
        my ( $tag_hash, $name, $sub_key ) = @_;
        confess "need hash as first argument" unless ( ref $tag_hash eq 'HASH' );
        $name = (grep { m/^(?:\w+:)*$name$/i } keys %$tag_hash )[0];
#       $name =~ s/^\w+://;
        if ( defined $tag_hash->{$name} ) {
                if ( ! defined $sub_key ) {
                        return $tag_hash->{$name};
                } elsif ( defined $tag_hash->{$name}->{$sub_key} ) {
                        return $tag_hash->{$name}->{$sub_key};
                } else {
                        return if ( $name =~ m/^value$/i );
                        warn "can't find '$name/$sub_key' in ", dump( $tag_hash );
                        return;
                }
        } else {
                warn "can't find '$name' in ", dump( $tag_hash );
                return;
        }
}

my $state;

my $parser = XML::Rules->new(
#       start_rules => [
#               '^division_name,fax' => 'skip',
#       ],
        namespaces => {
#               'http://schemas.xmlsoap.org/soap/envelope/' => 'soapenv',
#               'http://schemas.xmlsoap.org/soap/encoding/' => 'soap',
                'urn:dslforum-org:cwmp-1-0' => '',
        },
        rules => [
                #_default => 'content trim',
                x_default => sub {
                        my ($tag_name, $tag_hash, $context, $parent_data) = @_;
                        warn dump( $tag_name, $tag_hash, $context );
                },
                'ID' => sub {
                        my ($tag_name, $tag_hash, $context, $parent_data) = @_;
                        $state->{ID} = $tag_hash->{_content};
                },
                #
                # Inform
                #
                qr/DeviceId/ => sub {
                        my ($tag_name, $tag_hash, $context, $parent_data) = @_;
                        foreach my $name ( keys %$tag_hash ) {
                                next if $name eq '_content';
                                my $key = $name;
                                $key =~ s/^\w+://;      # stip namespace
                                $state->{DeviceID}->{ $key } = _tag( $tag_hash, $name, '_content' );
                        }
                },
                qr/EventStruct/ => sub {
                        my ($tag_name, $tag_hash, $context, $parent_data) = @_;
                        push @{ $state->{EventStruct} }, $tag_hash->{EventCode}->{_content};
                },
                qr/(MaxEnvelopes|CurrentTime|RetryCount)/ => sub {
                        my ($tag_name, $tag_hash, $context, $parent_data) = @_;
                        $state->{$tag_name} = $tag_hash->{_content};
                },
                qr/ParameterValueStruct/ => sub {
                        my ($tag_name, $tag_hash, $context, $parent_data) = @_;
                        # Name/Value tags must be case insnesitive
                        my $value = (grep( /value/i, keys %$tag_hash ))[0];
                        $state->{Parameter}->{ _tag($tag_hash, 'Name', '_content') } = _tag($tag_hash, 'Value', '_content' );
                },
                #
                # GetRPCMethodsResponse
                #
                qr/^(?:^\w+:)*string$/ => 'content array',
                qr/MethodList/ => sub {
                        my ($tag_name, $tag_hash, $context, $parent_data) = @_;
                        $state->{MethodList} = _tag( $tag_hash, 'string' );
                },      
        ]
);

=head2 parse

  my $state = CWMP::Request->parse( "<soap>request</soap>" );

=cut

sub parse {
        my $self = shift;

        my $xml = shift || confess "no xml?";

        $state = {};
        $parser->parsestring( $xml );
        return $state;
}

1;
1	dpavlin	31	package CWMP::Request;
2
3			use warnings;
4			use strict;
5
6			use XML::Rules;
7			use Data::Dump qw/dump/;
8			use Carp qw/confess cluck/;
9
10			=head1 NAME
11
12			CWMP::Request - parse SOAP request
13
14			=head1 METHODS
15
16			=head2 _tag
17
18			Get value of tag. Tag name is case insensitive (don't ask why),
19			we ignore namespaces and can take optional C<sub_key>
20			(usually C<_content>).
21
22			_tag( $tag_hash, $name, $sub_key )
23
24			=cut
25
26			sub _tag {
27			my ( $tag_hash, $name, $sub_key ) = @_;
28			confess "need hash as first argument" unless ( ref $tag_hash eq 'HASH' );
29			$name = (grep { m/^(?:\w+:)*$name$/i } keys %$tag_hash )[0];
30			# $name =~ s/^\w+://;
31			if ( defined $tag_hash->{$name} ) {
32			if ( ! defined $sub_key ) {
33			return $tag_hash->{$name};
34			} elsif ( defined $tag_hash->{$name}->{$sub_key} ) {
35			return $tag_hash->{$name}->{$sub_key};
36			} else {
37			return if ( $name =~ m/^value$/i );
38			warn "can't find '$name/$sub_key' in ", dump( $tag_hash );
39			return;
40			}
41			} else {
42			warn "can't find '$name' in ", dump( $tag_hash );
43			return;
44			}
45			}
46
47			my $state;
48
49			my $parser = XML::Rules->new(
50			# start_rules => [
51			# '^division_name,fax' => 'skip',
52			# ],
53			namespaces => {
54			# 'http://schemas.xmlsoap.org/soap/envelope/' => 'soapenv',
55			# 'http://schemas.xmlsoap.org/soap/encoding/' => 'soap',
56			'urn:dslforum-org:cwmp-1-0' => '',
57			},
58			rules => [
59			#_default => 'content trim',
60			x_default => sub {
61			my ($tag_name, $tag_hash, $context, $parent_data) = @_;
62			warn dump( $tag_name, $tag_hash, $context );
63			},
64			'ID' => sub {
65			my ($tag_name, $tag_hash, $context, $parent_data) = @_;
66			$state->{ID} = $tag_hash->{_content};
67			},
68			#
69			# Inform
70			#
71			qr/DeviceId/ => sub {
72			my ($tag_name, $tag_hash, $context, $parent_data) = @_;
73			foreach my $name ( keys %$tag_hash ) {
74			next if $name eq '_content';
75			my $key = $name;
76			$key =~ s/^\w+://; # stip namespace
77			$state->{DeviceID}->{ $key } = _tag( $tag_hash, $name, '_content' );
78			}
79			},
80			qr/EventStruct/ => sub {
81			my ($tag_name, $tag_hash, $context, $parent_data) = @_;
82			push @{ $state->{EventStruct} }, $tag_hash->{EventCode}->{_content};
83			},
84			qr/(MaxEnvelopes\|CurrentTime\|RetryCount)/ => sub {
85			my ($tag_name, $tag_hash, $context, $parent_data) = @_;
86			$state->{$tag_name} = $tag_hash->{_content};
87			},
88			qr/ParameterValueStruct/ => sub {
89			my ($tag_name, $tag_hash, $context, $parent_data) = @_;
90			# Name/Value tags must be case insnesitive
91			my $value = (grep( /value/i, keys %$tag_hash ))[0];
92			$state->{Parameter}->{ _tag($tag_hash, 'Name', '_content') } = _tag($tag_hash, 'Value', '_content' );
93			},
94			#
95			# GetRPCMethodsResponse
96			#
97			qr/^(?:^\w+:)*string$/ => 'content array',
98			qr/MethodList/ => sub {
99			my ($tag_name, $tag_hash, $context, $parent_data) = @_;
100			$state->{MethodList} = _tag( $tag_hash, 'string' );
101			},
102			]
103			);
104
105			=head2 parse
106
107			my $state = CWMP::Request->parse( "<soap>request</soap>" );
108
109			=cut
110
111			sub parse {
112			my $self = shift;
113
114			my $xml = shift \|\| confess "no xml?";
115
116			$state = {};
117			$parser->parsestring( $xml );
118			return $state;
119			}
120	dpavlin	32
121			1;