import SOAP-WSDL 2.00_16 from CPAN
git-cpan-module: SOAP-WSDL git-cpan-version: 2.00_16 git-cpan-authorid: MKUTTER git-cpan-file: authors/id/M/MK/MKUTTER/SOAP-WSDL-2.00_16.tar.gz
This commit is contained in:
Martin Kutter
committed by
Michael G. Schwern
Michael G. Schwern
parent
2347a88353
commit
30be0da3dc
@@ -0,0 +1,261 @@
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#!/usr/bin/perl
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package SOAP::WSDL::Expat::MessageParser;
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use strict;
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use warnings;
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use SOAP::WSDL::XSD::Typelib::Builtin;
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use XML::Parser::Expat;
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sub new {
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my ($class, $args) = @_;
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my $self = {
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class_resolver => $args->{ class_resolver },
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strict => exists $args->{ strict } ? $args->{ strict } : 1,
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};
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bless $self, $class;
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return $self;
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}
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sub class_resolver {
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my $self = shift;
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$self->{ class_resolver } = shift;
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return;
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}
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sub _initialize {
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my ($self, $parser) = @_;
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$self->{ parser } = $parser;
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delete $self->{ data }; # remove potential old results
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my $characters;
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#my @characters_from = ();
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my $current = undef;
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my $list = []; # node list
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my $path = []; # current path
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my $skip = 0; # skip elements
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my $current_part = q{}; # are we in header or body ?
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my $depth = 0;
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my %content_check = $self->{strict}
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? (
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0 => sub {
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die "Bad top node $_[1]" if $_[1] ne 'Envelope';
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die "Bad namespace for SOAP envelope: " . $_[0]->recognized_string()
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if $_[0]->namespace($_[1]) ne 'http://schemas.xmlsoap.org/soap/envelope/';
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$depth++;
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return;
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},
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1 => sub {
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$depth++;
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return;
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}
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)
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: ();
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my $char_handler = sub {
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# push @characters_from, $_[1] if $_[1] =~m{ [^s] }xms;
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$characters .= $_[1] if $_[1] =~m{ [^\s] }xms;
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return;
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};
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# use "globals" for speed
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my ($_prefix, $_method,
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$_class) = ();
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no strict qw(refs);
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$parser->setHandlers(
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Start => sub {
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# my ($parser, $element, %_attrs) = @_;
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# $depth = $parser->depth();
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# call methods without using their parameter stack
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# That's slightly faster than $content_check{ $depth }->()
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# and we don't have to pass $_[1] to the method.
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# Yup, that's dirty.
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return &{$content_check{ $depth }} if exists $content_check{ $depth };
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push @{ $path }, $_[1]; # step down in path
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return if $skip; # skip inside __SKIP__
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# resolve class of this element
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$_class = $self->{ class_resolver }->get_class( $path )
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or die "Cannot resolve class for "
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. join('/', @{ $path }) . " via " . $self->{ class_resolver };
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if ($_class eq '__SKIP__') {
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$skip = join('/', @{ $path });
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$self->setHandlers( Char => undef );
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return;
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}
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push @$list, $current; # step down in tree ()remember current)
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$characters = q(); # empty characters
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#@characters_from = ();
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# Check whether we have a builtin - we implement them as classes
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# We could replace this with UNIVERSAL->isa() - but it's slow...
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# match is a bit faster if the string does not match, but WAY slower
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# if $class matches...
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if (index $_class, 'SOAP::WSDL::XSD::Typelib::Builtin', 0 < 0) {
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# check wheter there is a non-empty ARRAY reference for $_class::ISA
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# or a "new" method
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# If not, require it - all classes required here MUST
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# define new()
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# This is not exactly the same as $class->can('new'), but it's way faster
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defined *{ "$_class\::new" }{ CODE }
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or scalar @{ *{ "$_class\::ISA" }{ ARRAY } }
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or eval "require $_class" ## no critic qw(ProhibitStringyEval)
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or die $@;
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}
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$current = $_class->new({ @_[2..$#_] }); # set new current object
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# remember top level element
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exists $self->{ data }
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or ($self->{ data } = $current);
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$depth++;
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return;
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},
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Char => $char_handler,
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End => sub {
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pop @{ $path }; # step up in path
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if ($skip) {
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return if $skip ne join '/', @{ $path }, $_[1];
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$skip = 0;
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$_[0]->setHandler( Char => $char_handler );
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return;
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}
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$depth--;
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# This one easily handles ignores for us, too...
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return if not ref $list->[-1];
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# set characters in current if we are a simple type
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# we may have characters in complexTypes with simpleContent,
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# too - maybe we should rely on the presence of characters ?
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# may get a speedup by defining a ident method in anySimpleType
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# and looking it up via exists &$class::ident;
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# if ( $current->isa('SOAP::WSDL::XSD::Typelib::Builtin::anySimpleType') ) {
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# $current->set_value( $characters );
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# }
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# currently doesn't work, as anyType does not implement value -
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# maybe change ?
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$current->set_value( $characters ) if (length $characters);
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#$current->set_value( join @characters_from ) if (@characters_from);
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$characters = q{};
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# undef @characters_from;
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# set appropriate attribute in last element
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# multiple values must be implemented in base class
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#$_method = "add_$_localname";
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$_method = "add_$_[1]";
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$list->[-1]->$_method( $current );
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$current = pop @$list; # step up in object hierarchy...
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return;
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}
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);
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return $parser;
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}
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sub parse {
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eval {
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$_[0]->_initialize(
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XML::Parser::Expat->new(
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Namespaces => 1
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)
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)->parse( $_[1] );
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$_[0]->{ parser }->release();
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};
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$_[0]->{ parser }->xpcroak( $@ ) if $@;
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return $_[0]->{ data };
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}
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sub parsefile {
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eval {
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$_[0]->_initialize( XML::Parser::Expat->new(Namespaces => 1) )->parsefile( $_[1] );
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$_[0]->{ parser }->release();
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};
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die $@, $_[1] if $@;
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return $_[0]->{ data };
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}
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# SAX-like aliases
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sub parse_string;
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*parse_string = \&parse;
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sub parse_file;
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*parse_file = \&parsefile;
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sub get_data {
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return $_[0]->{ data };
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}
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1;
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=pod
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=head1 NAME
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SOAP::WSDL::Expat::MessageParser - Convert SOAP messages to custom object trees
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=head1 SYNOPSIS
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my $parser = SOAP::WSDL::Expat::MessageParser->new({
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class_resolver => 'My::Resolver'
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});
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$parser->parse( $xml );
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my $obj = $parser->get_data();
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=head1 DESCRIPTION
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Real fast expat based SOAP message parser.
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See L<SOAP::WSDL::Parser> for details.
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=head2 Skipping unwanted items
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Sometimes there's unneccessary information transported in SOAP messages.
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To skip XML nodes (including all child nodes), just edit the type map for
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the message and set the type map entry to '__SKIP__'.
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=head1 Bugs and Limitations
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=over
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=item * Ignores all namespaces
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=item * Does not handle mixed content
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=item * The SOAP header is ignored
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=back
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=head1 AUTHOR
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Replace the whitespace by @ for E-Mail Address.
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Martin Kutter E<lt>martin.kutter fen-net.deE<gt>
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=head1 COPYING
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This module may be used under the same terms as perl itself.
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=head1 Repository information
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$ID: $
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$LastChangedDate: 2007-09-27 21:06:29 +0200 (Don, 27 Sep 2007) $
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$LastChangedRevision: 283 $
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$LastChangedBy: kutterma $
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$HeadURL: http://soap-wsdl.svn.sourceforge.net/svnroot/soap-wsdl/SOAP-WSDL/trunk/lib/SOAP/WSDL/Expat/MessageParser.pm $
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