annotate Lib/IMPL/Transform.pm @ 92:5f676b61fb8b

IMPL::Config::Resolve alpha version
author wizard
date Tue, 27 Apr 2010 20:10:07 +0400
parents 16ada169ca75
children 4c55aed00ff2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
49
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
1 package IMPL::Transform;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
2 use base qw(IMPL::Object);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
3
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
4 use IMPL::Class::Property;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
5 use IMPL::Class::Property::Direct;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
6
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
7 BEGIN {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
8 protected _direct property Templates => prop_all;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
9 protected _direct property Default => prop_all;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
10 protected _direct property Plain => prop_all;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
11 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
12
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
13 sub CTOR {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
14 my ($this,%args) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
15
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
16 $this->{$Plain} = delete $args{-plain};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
17 $this->{$Default} = delete $args{-default};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
18
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
19 $this->{$Templates} = \%args;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
20 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
21
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
22 sub Transform {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
23 my ($this,$object,@args) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
24
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
25 if (not ref $object) {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
26 die new IMPL::Exception("There is no the template for a plain value in the transform") unless $this->{$Plain};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
27 my $template = $this->{$Plain};
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
28 return $this->$template($object,@args);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
29 } else {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
30
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
31 my $template = $this->MatchTemplate($object) || $this->Default or die new IMPL::Transform::NoTransformException(ref $object);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
32
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
33 return $this->$template($object,@args);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
34 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
35 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
36
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
37 sub MatchTemplate {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
38 my ($this,$object) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
39 my $class = $this->GetClassForObject( $object );
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
40
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
41 foreach my $tClass ( keys %{$this->Templates || {}} ) {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
42 return $this->Templates->{$tClass} if ($tClass eq $class);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
43 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
44 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
45
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
46 sub GetClassForObject {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
47 my ($this,$object) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
48
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
49 return ref $object;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
50 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
51
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
52 package IMPL::Transform::NoTransformException;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
53 use base qw(IMPL::Exception);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
54
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
55 our %CTOR = (
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
56 'IMPL::Exception' => sub { 'No transformation', @_ }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
57 );
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
58
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
59 1;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
60
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
61 __END__
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
62
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
63 =pod
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
64 =head1 SYNOPSIS
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
65
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
66 my $obj = new AnyObject;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
67
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
68 my $t = new Transform (
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
69 AnyClass => sub {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
70 my ($this,$object) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
71 return new NewClass({ Name => $object->name, Document => $this->Transform($object->Data) })
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
72 },
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
73 DocClass => sub {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
74 my ($this,$object) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
75 return new DocPreview(Author => $object->Author, Text => $object->Data);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
76 },
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
77 -default => sub {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
78 my ($this,$object) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
79 return $object;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
80 },
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
81 -plain => sub {
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
82 my ($this,$object) = @_;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
83 return $object;
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
84 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
85 );
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
86
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
87 my $result = $t->Transform($obj);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
88
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
89 =head1 DESCRIPTION
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
90
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
91 Преобразование одного объекта к другому, например даных к их представлению.
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
92
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 44
diff changeset
93 =cut