From 8c05b81d6860d8e0da4098cc6f59f630d7c53037 Mon Sep 17 00:00:00 2001
From: Adam Frisby
Date: Tue, 25 Mar 2008 16:29:54 +0000
Subject: * Committing Lulurun's Cgi/Perl implementation of the UGAI servers. *
 I love you long time.

---
 share/perl/lib/XML/RPC.pm | 217 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 217 insertions(+)
 create mode 100644 share/perl/lib/XML/RPC.pm

(limited to 'share/perl/lib/XML/RPC.pm')

diff --git a/share/perl/lib/XML/RPC.pm b/share/perl/lib/XML/RPC.pm
new file mode 100644
index 0000000..2e08867
--- /dev/null
+++ b/share/perl/lib/XML/RPC.pm
@@ -0,0 +1,217 @@
+package XML::RPC;
+
+use strict;
+use XML::TreePP;
+use Data::Dumper;
+use vars qw($VERSION $faultCode);
+no strict 'refs';
+
+$VERSION = 0.5;
+
+sub new {
+    my $package = shift;
+    my $self    = { };
+    bless $self, $package;
+    $self->{url} = shift;
+    $self->{tpp} = XML::TreePP->new(@_);
+    return $self;
+}
+
+sub call {
+    my $self = shift;
+    my ( $methodname, @params ) = @_;
+
+    die 'no url' if ( !$self->{url} );
+
+    $faultCode = 0;
+    my $xml = $self->create_call_xml( $methodname, @params );
+#print STDERR $xml;
+    my $result = $self->{tpp}->parsehttp(
+        POST => $self->{url},
+        $xml,
+        {
+            'Content-Type'   => 'text/xml',
+            'User-Agent'     => 'XML-RPC/' . $VERSION,
+            'Content-Length' => length($xml)
+        }
+    );
+
+    my @data = $self->unparse_response($result);
+    return @data == 1 ? $data[0] : @data;
+}
+
+sub receive {
+    my $self   = shift;
+    my $result = eval {
+        my $xml     = shift || die 'no xml';
+        my $handler = shift || die 'no handler';
+        my $hash = $self->{tpp}->parse($xml);
+        my ( $methodname, @params ) = $self->unparse_call($hash);
+        $self->create_response_xml( $handler->( $methodname, @params ) );
+    };
+    return $self->create_fault_xml($@) if ($@);
+    return $result;
+
+}
+
+sub create_fault_xml {
+    my $self  = shift;
+    my $error = shift;
+    chomp($error);
+    return $self->{tpp}
+      ->write( { methodResponse => { fault => $self->parse( { faultString => $error, faultCode => $faultCode } ) } } );
+}
+
+sub create_call_xml {
+    my $self = shift;
+    my ( $methodname, @params ) = @_;
+
+    return $self->{tpp}->write(
+        {
+            methodCall => {
+                methodName => $methodname,
+                params     => { param => [ map { $self->parse($_) } @params ] }
+            }
+        }
+    );
+}
+
+sub create_response_xml {
+    my $self   = shift;
+    my @params = @_;
+
+    return $self->{tpp}->write( { methodResponse => { params => { param => [ map { $self->parse($_) } @params ] } } } );
+}
+
+sub parse {
+    my $self = shift;
+    my $p    = shift;
+    my $result;
+
+    if ( ref($p) eq 'HASH' ) {
+        $result = $self->parse_struct($p);
+    }
+    elsif ( ref($p) eq 'ARRAY' ) {
+        $result = $self->parse_array($p);
+    }
+    else {
+        $result = $self->parse_scalar($p);
+    }
+
+    return { value => $result };
+}
+
+sub parse_scalar {
+    my $self   = shift;
+    my $scalar = shift;
+    local $^W = undef;
+
+    if (   ( $scalar =~ m/^[\-+]?\d+$/ )
+        && ( abs($scalar) <= ( 0xffffffff >> 1 ) ) )
+    {
+        return { i4 => $scalar };
+    }
+    elsif ( $scalar =~ m/^[\-+]?\d+\.\d+$/ ) {
+        return { double => $scalar };
+    }
+    else {
+        return { string => \$scalar };
+    }
+}
+
+sub parse_struct {
+    my $self = shift;
+    my $hash = shift;
+    my @members;
+    while ( my ( $k, $v ) = each(%$hash) ) {
+        push @members, { name => $k, %{ $self->parse($v) } };
+    }
+    return { struct => { member => \@members } };
+}
+
+sub parse_array {
+    my $self  = shift;
+    my $array = shift;
+
+    return { array => { data => { value => [ map { $self->parse($_)->{value} } $self->list($array) ] } } };
+}
+
+sub unparse_response {
+    my $self = shift;
+    my $hash = shift;
+
+    my $response = $hash->{methodResponse} || die 'no data';
+
+    if ( $response->{fault} ) {
+        return $self->unparse_value( $response->{fault}->{value} );
+    }
+    else {
+        return map { $self->unparse_value( $_->{value} ) } $self->list( $response->{params}->{param} );
+    }
+}
+
+sub unparse_call {
+    my $self = shift;
+    my $hash = shift;
+
+    my $response = $hash->{methodCall} || die 'no data';
+
+    my $methodname = $response->{methodName};
+    my @args =
+      map { $self->unparse_value( $_->{value} ) } $self->list( $response->{params}->{param} );
+    return ( $methodname, @args );
+}
+
+sub unparse_value {
+    my $self  = shift;
+    my $value = shift;
+    my $result;
+
+    return $value if ( ref($value) ne 'HASH' );    # for unspecified params
+    if ( $value->{struct} ) {
+        $result = $self->unparse_struct( $value->{struct} );
+        return !%$result
+          ? undef
+          : $result;                               # fix for empty hashrefs from XML::TreePP
+    }
+    elsif ( $value->{array} ) {
+        return $self->unparse_array( $value->{array} );
+    }
+    else {
+        return $self->unparse_scalar($value);
+    }
+}
+
+sub unparse_scalar {
+    my $self     = shift;
+    my $scalar   = shift;
+    my ($result) = values(%$scalar);
+    return ( ref($result) eq 'HASH' && !%$result )
+      ? undef
+      : $result;    # fix for empty hashrefs from XML::TreePP
+}
+
+sub unparse_struct {
+    my $self   = shift;
+    my $struct = shift;
+
+    return { map { $_->{name} => $self->unparse_value( $_->{value} ) } $self->list( $struct->{member} ) };
+}
+
+sub unparse_array {
+    my $self  = shift;
+    my $array = shift;
+    my $data  = $array->{data};
+
+    return [ map { $self->unparse_value($_) } $self->list( $data->{value} ) ];
+}
+
+sub list {
+    my $self  = shift;
+    my $param = shift;
+    return () if ( !$param );
+    return @$param if ( ref($param) eq 'ARRAY' );
+    return ($param);
+}
+
+1;
-- 
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