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1 | package Catalyst::Utils; |
2 | |
3 | use strict; |
4 | use attributes (); |
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5 | use Path::Class; |
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6 | |
7 | =head1 NAME |
8 | |
9 | Catalyst::Utils - The Catalyst Utils |
10 | |
11 | =head1 SYNOPSIS |
12 | |
13 | See L<Catalyst>. |
14 | |
15 | =head1 DESCRIPTION |
16 | |
17 | =head1 METHODS |
18 | |
19 | =over 4 |
20 | |
21 | =item attrs($coderef) |
22 | |
23 | Returns attributes for coderef in a arrayref |
24 | |
25 | =cut |
26 | |
27 | sub attrs { attributes::get( $_[0] ) || [] } |
28 | |
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29 | =item class2appclass($class); |
30 | |
31 | Returns the appclass for class. |
32 | |
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33 | MyApp::C::Foo::Bar becomes MyApp |
34 | My::App::C::Foo::Bar becomes My::App |
35 | |
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36 | =cut |
37 | |
38 | sub class2appclass { |
39 | my $class = shift || ''; |
40 | my $appname = ''; |
41 | if ( $class =~ /^(.*)::([MVC]|Model|View|Controller)?::.*$/ ) { |
42 | $appname = $1; |
43 | } |
44 | return $appname; |
45 | } |
46 | |
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47 | =item class2classprefix($class); |
48 | |
49 | Returns the classprefix for class. |
50 | |
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51 | MyApp::C::Foo::Bar becomes MyApp::C |
52 | My::App::C::Foo::Bar becomes My::App::C |
53 | |
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54 | =cut |
55 | |
56 | sub class2classprefix { |
57 | my $class = shift || ''; |
58 | my $prefix; |
59 | if ( $class =~ /^(.*::[MVC]|Model|View|Controller)?::.*$/ ) { |
60 | $prefix = $1; |
61 | } |
62 | return $prefix; |
63 | } |
64 | |
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65 | =item class2classsuffix($class); |
66 | |
67 | Returns the classsuffix for class. |
68 | |
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69 | MyApp::C::Foo::Bar becomes C::Foo::Bar |
70 | |
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71 | =cut |
72 | |
73 | sub class2classsuffix { |
74 | my $class = shift || ''; |
75 | my $prefix = class2appclass($class) || ''; |
76 | $class =~ s/$prefix\:\://; |
77 | return $class; |
78 | } |
79 | |
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80 | =item class2prefix($class); |
81 | |
82 | Returns the prefix for class. |
83 | |
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84 | My::App::C::Foo::Bar becomes /foo/bar |
85 | |
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86 | =cut |
87 | |
88 | sub class2prefix { |
89 | my $class = shift || ''; |
90 | my $prefix; |
91 | if ( $class =~ /^.*::([MVC]|Model|View|Controller)?::(.*)$/ ) { |
92 | $prefix = lc $2; |
93 | $prefix =~ s/\:\:/\//g; |
94 | } |
95 | return $prefix; |
96 | } |
97 | |
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98 | =item home($class) |
99 | |
100 | Returns home directory for given class. |
101 | |
102 | =cut |
103 | |
104 | sub home { |
105 | my $name = shift; |
106 | $name =~ s/\:\:/\//g; |
107 | my $home = 0; |
108 | if ( my $path = $INC{"$name.pm"} ) { |
109 | $home = file($path)->absolute->dir; |
110 | $name =~ /(\w+)$/; |
111 | my $append = $1; |
112 | my $subdir = dir($home)->subdir($append); |
113 | for ( split '/', $name ) { $home = dir($home)->parent } |
114 | if ( $home =~ /blib$/ ) { $home = dir($home)->parent } |
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115 | elsif (!-f file( $home, 'Makefile.PL' ) |
116 | && !-f file( $home, 'Build.PL' ) ) |
117 | { |
118 | $home = $subdir; |
119 | } |
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120 | } |
121 | return $home; |
122 | } |
123 | |
124 | =item prefix($class, $name); |
125 | |
126 | Returns a prefixed action. |
127 | |
128 | MyApp::C::Foo::Bar, yada becomes /foo/bar/yada |
129 | |
130 | =cut |
131 | |
132 | sub prefix { |
133 | my ( $class, $name ) = @_; |
134 | my $prefix = &class2prefix($class); |
135 | $name = "$prefix/$name" if $prefix; |
136 | return $name; |
137 | } |
138 | |
139 | =item reflect_actions($class); |
140 | |
141 | Returns an arrayref containing all actions of a component class. |
142 | |
143 | =cut |
144 | |
145 | sub reflect_actions { |
146 | my $class = shift; |
147 | my $actions = []; |
148 | eval '$actions = $class->_action_cache'; |
149 | die qq/Couldn't reflect actions of component "$class", "$@"/ if $@; |
150 | return $actions; |
151 | } |
152 | |
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153 | =back |
154 | |
155 | =head1 AUTHOR |
156 | |
157 | Sebastian Riedel, C<sri@cpan.org> |
158 | |
159 | =head1 COPYRIGHT |
160 | |
161 | This program is free software, you can redistribute it and/or modify it under |
162 | the same terms as Perl itself. |
163 | |
164 | =cut |
165 | |
166 | 1; |