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d3082fac |
1 | package Catalyst::ScriptRole; |
2 | use Moose::Role; |
3 | use MooseX::Types::Moose qw/Str Bool/; |
4 | use Pod::Usage; |
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5 | use MooseX::Getopt; |
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6 | use namespace::autoclean; |
7 | |
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8 | with 'MooseX::Getopt' => { |
9 | excludes => [qw/ |
10 | _getopt_spec_warnings |
11 | _getopt_spec_exception |
12 | /], |
13 | }; |
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14 | |
15 | has application_name => ( |
16 | traits => ['NoGetopt'], |
17 | isa => Str, |
18 | is => 'ro', |
19 | required => 1, |
20 | ); |
21 | |
22 | has help => ( |
23 | traits => ['Getopt'], |
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24 | isa => Bool, |
25 | is => 'ro', |
26 | documentation => q{Display this help and exit}, |
27 | ); |
28 | |
19529022 |
29 | sub _getopt_spec_exception {} |
30 | |
31 | sub _getopt_spec_warnings { |
32 | shift; |
33 | warn @_; |
34 | } |
35 | |
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36 | sub _exit_with_usage { |
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37 | my $self = shift; |
38 | pod2usage(); |
39 | exit 0; |
40 | } |
41 | |
42 | before run => sub { |
43 | my $self = shift; |
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44 | $self->_exit_with_usage if $self->help; |
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45 | }; |
46 | |
47 | sub run { |
48 | my $self = shift; |
49 | $self->_run_application; |
50 | } |
51 | |
52 | sub _application_args { |
53 | () |
54 | } |
55 | |
56 | sub _run_application { |
57 | my $self = shift; |
58 | my $app = $self->application_name; |
59 | Class::MOP::load_class($app); |
60 | $app->run($self->_application_args); |
61 | } |
62 | |
4f0612fd |
63 | # GROSS HACK, temporary until MX::Getopt gets some proper refactoring and unfucking.. |
64 | around '_parse_argv' => sub { |
65 | my ($orig, $self, @args) = @_; |
66 | my %data = eval { $self->$orig(@args) }; |
67 | $self->_exit_with_usage($@) if $@; |
68 | $data{usage} = Catalyst::ScriptRole::Useage->new(code => sub { shift; $self->_exit_with_usage(@_) }); |
69 | return %data; |
70 | }; |
71 | |
72 | # This package is going away. |
73 | package # Hide from PAUSE |
74 | Catalyst::ScriptRole::Useage; |
75 | use Moose; |
76 | use namespace::autoclean; |
77 | |
78 | has code => ( is => 'ro', required => 1 ); |
79 | |
80 | sub die { shift->code->(@_) } |
81 | |
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82 | 1; |
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83 | |
84 | =head1 NAME |
85 | |
86 | Catalyst::ScriptRole - Common functionality for Catalyst scripts. |
87 | |
88 | =head1 SYNOPSIS |
89 | |
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90 | package MyApp::Script::Foo; |
91 | use Moose; |
92 | use namespace::autoclean; |
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93 | |
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94 | with 'Catalyst::Script::Role'; |
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95 | |
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96 | sub _application_args { ... } |
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97 | |
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98 | =head1 DESCRIPTION |
99 | |
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100 | Role with the common functionality of Catalyst scripts. |
101 | |
102 | =head1 METHODS |
103 | |
104 | =head2 run |
105 | |
106 | The method invoked to run the application. |
107 | |
108 | =head1 ATTRIBUTES |
109 | |
110 | =head2 application_name |
111 | |
112 | The name of the application class, e.g. MyApp |
113 | |
114 | =head1 SEE ALSO |
115 | |
116 | L<Catalyst> |
117 | |
118 | L<MooseX::Getopt> |
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119 | |
120 | =head1 AUTHORS |
121 | |
122 | Catalyst Contributors, see Catalyst.pm |
123 | |
124 | =head1 COPYRIGHT |
125 | |
126 | This library is free software, you can redistribute it and/or modify |
127 | it under the same terms as Perl itself. |
128 | |
129 | =cut |
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130 | |