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package SOAP::WSDL::Expat::Base;
use strict;
use warnings;
use URI;
use XML::Parser::Expat;
# TODO: convert to Class::Std::Fast based class - hash based classes suck.
our $VERSION = 3.004;
sub new {
my ($class, $arg_ref) = @_;
my $self = {
data => undef,
};
bless $self, $class;
$self->set_user_agent($arg_ref->{ user_agent })
if $arg_ref->{ user_agent };
$self->{ parsed } = $arg_ref->{ parsed } if $arg_ref->{ parsed };
return $self;
}
sub clone {
my $self = shift;
my $class = ref $self;
my $clone = $class->new($self);
return $clone;
}
sub set_uri { $_[0]->{ uri } = $_[1]; }
sub get_uri { return $_[0]->{ uri }; }
sub set_user_agent { $_[0]->{ user_agent } = $_[1]; }
sub get_user_agent { return $_[0]->{ user_agent }; }
# Mark a URI as "already parsed"
sub set_parsed {
my ($self, $uri) = @_;
$self->{ parsed }->{ $uri } = 1;
return;
}
# returns true if a specific URI has already been parsed
sub is_parsed {
my ($self, $uri) = @_;
return exists $self->{ parsed }->{ $uri };
}
# parse a URI. This is the preferred parsing method for WSDL files, as it's
# the only one allowing automatic import resolution
sub parse_uri {
my $self = shift;
my $uri = shift;
if ($self->is_parsed($uri)){
warn "$uri already imported; ignoring it.\n";
return;
}
$self->set_parsed($uri);
$self->set_uri( $uri );
if (not $self->{ user_agent }) {
require LWP::UserAgent;
$self->{ user_agent } = LWP::UserAgent->new();
}
my $response = $self->{ user_agent }->get($uri);
die $response->message() if $response->code() ne '200';
return $self->parse( $response->content() );
}
sub parse {
eval {
$_[0]->_initialize( XML::Parser::Expat->new( Namespaces => 1 ) )->parse( $_[1] );
$_[0]->{ parser }->release();
};
$_[0]->{ parser }->xpcroak( $@ ) if $@;
delete $_[0]->{ parser };
return $_[0]->{ data };
}
sub parsefile {
eval {
$_[0]->_initialize( XML::Parser::Expat->new(Namespaces => 1) )->parsefile( $_[1] );
$_[0]->{ parser }->release();
};
$_[0]->{ parser }->xpcroak( $@ ) if $@;
delete $_[0]->{ parser };
return $_[0]->{ data };
}
# SAX-like aliases
sub parse_string;
*parse_string = \&parse;
sub parse_file;
*parse_file = \&parsefile;
sub get_data {
return $_[0]->{ data };
}
1;
=pod
=head1 NAME
SOAP::WSDL::Expat::Base - Base class for XML::Parser::Expat based XML parsers
=head1 DESCRIPTION
Base class for XML::Parser::Expat based XML parsers. All XML::SAX::Expat based
parsers in SOAP::WSDL inherit from this class.
=head1 AUTHOR
Replace the whitespace by @ for E-Mail Address.
Martin Kutter E<lt>martin.kutter fen-net.deE<gt>
=head1 LICENSE AND COPYRIGHT
Copyright 2004-2007 Martin Kutter.
This file is part of SOAP-WSDL. You may distribute/modify it under
the same terms as perl itself
=head1 Repository information
$Id: $
$LastChangedDate: 2007-09-10 18:19:23 +0200 (Mo, 10 Sep 2007) $
$LastChangedRevision: 218 $
$LastChangedBy: kutterma $
$HeadURL: https://soap-wsdl.svn.sourceforge.net/svnroot/soap-wsdl/SOAP-WSDL/trunk/lib/SOAP/WSDL/Expat/MessageParser.pm $
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