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1 | package Catalyst::Utils; |
2 | |
3 | use strict; |
4 | use attributes (); |
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5 | use HTTP::Request; |
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6 | use Path::Class; |
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7 | use URI; |
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8 | |
9 | =head1 NAME |
10 | |
11 | Catalyst::Utils - The Catalyst Utils |
12 | |
13 | =head1 SYNOPSIS |
14 | |
15 | See L<Catalyst>. |
16 | |
17 | =head1 DESCRIPTION |
18 | |
19 | =head1 METHODS |
20 | |
21 | =over 4 |
22 | |
23 | =item attrs($coderef) |
24 | |
25 | Returns attributes for coderef in a arrayref |
26 | |
27 | =cut |
28 | |
29 | sub attrs { attributes::get( $_[0] ) || [] } |
30 | |
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31 | =item class2appclass($class); |
32 | |
33 | Returns the appclass for class. |
34 | |
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35 | MyApp::C::Foo::Bar becomes MyApp |
36 | My::App::C::Foo::Bar becomes My::App |
37 | |
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38 | =cut |
39 | |
40 | sub class2appclass { |
41 | my $class = shift || ''; |
42 | my $appname = ''; |
43 | if ( $class =~ /^(.*)::([MVC]|Model|View|Controller)?::.*$/ ) { |
44 | $appname = $1; |
45 | } |
46 | return $appname; |
47 | } |
48 | |
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49 | =item class2classprefix($class); |
50 | |
51 | Returns the classprefix for class. |
52 | |
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53 | MyApp::C::Foo::Bar becomes MyApp::C |
54 | My::App::C::Foo::Bar becomes My::App::C |
55 | |
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56 | =cut |
57 | |
58 | sub class2classprefix { |
59 | my $class = shift || ''; |
60 | my $prefix; |
61 | if ( $class =~ /^(.*::[MVC]|Model|View|Controller)?::.*$/ ) { |
62 | $prefix = $1; |
63 | } |
64 | return $prefix; |
65 | } |
66 | |
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67 | =item class2classsuffix($class); |
68 | |
69 | Returns the classsuffix for class. |
70 | |
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71 | MyApp::C::Foo::Bar becomes C::Foo::Bar |
72 | |
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73 | =cut |
74 | |
75 | sub class2classsuffix { |
76 | my $class = shift || ''; |
77 | my $prefix = class2appclass($class) || ''; |
78 | $class =~ s/$prefix\:\://; |
79 | return $class; |
80 | } |
81 | |
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82 | =item class2prefix( $class, $case ); |
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83 | |
84 | Returns the prefix for class. |
85 | |
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86 | My::App::C::Foo::Bar becomes /foo/bar |
87 | |
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88 | =cut |
89 | |
90 | sub class2prefix { |
91 | my $class = shift || ''; |
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92 | my $case = shift || 0; |
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93 | my $prefix; |
94 | if ( $class =~ /^.*::([MVC]|Model|View|Controller)?::(.*)$/ ) { |
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95 | $prefix = $case ? $2 : lc $2; |
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96 | $prefix =~ s/\:\:/\//g; |
97 | } |
98 | return $prefix; |
99 | } |
100 | |
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101 | =item home($class) |
102 | |
103 | Returns home directory for given class. |
104 | |
105 | =cut |
106 | |
107 | sub home { |
108 | my $name = shift; |
109 | $name =~ s/\:\:/\//g; |
110 | my $home = 0; |
111 | if ( my $path = $INC{"$name.pm"} ) { |
112 | $home = file($path)->absolute->dir; |
113 | $name =~ /(\w+)$/; |
114 | my $append = $1; |
115 | my $subdir = dir($home)->subdir($append); |
116 | for ( split '/', $name ) { $home = dir($home)->parent } |
117 | if ( $home =~ /blib$/ ) { $home = dir($home)->parent } |
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118 | elsif (!-f file( $home, 'Makefile.PL' ) |
119 | && !-f file( $home, 'Build.PL' ) ) |
120 | { |
121 | $home = $subdir; |
122 | } |
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123 | # clean up relative path: |
124 | # MyApp/script/.. -> MyApp |
125 | my ($lastdir) = $home->dir_list( -1, 1 ); |
126 | if ( $lastdir eq '..' ) { |
127 | $home = dir($home)->parent->parent; |
128 | } |
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129 | } |
130 | return $home; |
131 | } |
132 | |
133 | =item prefix($class, $name); |
134 | |
135 | Returns a prefixed action. |
136 | |
137 | MyApp::C::Foo::Bar, yada becomes /foo/bar/yada |
138 | |
139 | =cut |
140 | |
141 | sub prefix { |
142 | my ( $class, $name ) = @_; |
143 | my $prefix = &class2prefix($class); |
144 | $name = "$prefix/$name" if $prefix; |
145 | return $name; |
146 | } |
147 | |
148 | =item reflect_actions($class); |
149 | |
150 | Returns an arrayref containing all actions of a component class. |
151 | |
152 | =cut |
153 | |
154 | sub reflect_actions { |
155 | my $class = shift; |
156 | my $actions = []; |
157 | eval '$actions = $class->_action_cache'; |
158 | die qq/Couldn't reflect actions of component "$class", "$@"/ if $@; |
159 | return $actions; |
160 | } |
161 | |
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162 | =item request($string); |
163 | |
164 | Returns an C<HTTP::Request> from a string. |
165 | |
166 | =cut |
167 | |
168 | sub request { |
169 | my $request = shift; |
170 | |
171 | unless ( ref $request ) { |
172 | |
173 | if ( $request =~ m/http/i ) { |
174 | $request = URI->new($request)->canonical; |
175 | } |
176 | else { |
177 | $request = URI->new( 'http://localhost' . $request )->canonical; |
178 | } |
179 | } |
180 | |
181 | unless ( ref $request eq 'HTTP::Request' ) { |
182 | $request = HTTP::Request->new( 'GET', $request ); |
183 | } |
184 | |
185 | return $request; |
186 | } |
187 | |
188 | =back |
189 | |
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190 | =head1 AUTHOR |
191 | |
192 | Sebastian Riedel, C<sri@cpan.org> |
193 | |
194 | =head1 COPYRIGHT |
195 | |
196 | This program is free software, you can redistribute it and/or modify it under |
197 | the same terms as Perl itself. |
198 | |
199 | =cut |
200 | |
201 | 1; |