NAME
App::CLI::Extension - for App::CLI extension module
VERSION
1.21
SYNOPSIS
# MyApp.pm
package MyApp;
use strict;
use base qw(App::CLI::Extension);
# extension method
# load App::CLI::Plugin::Foo, MyApp::Plugin::Bar
__PACKAGE__->load_plugins(qw(Foo +MyApp::Plugin::Bar));
# extension method
__PACKAGE__->config( name => "kurt" );
1;
# MyApp/Hello.pm
package MyApp::Hello;
use strict;
use base qw(App::CLI::Command);
use constant options => ("age=i" => "age");
sub run {
my($self, @args) = @_;
# config - App::CLI::Extension extension method(App::CLI::Extension::Component::Config)
print "Hello! my name is " . $self->config->{name} . "\n";
print "age is " . "$self->{age}\n";
}
# myapp
#!/usr/bin/perl
use strict;
use MyApp;
MyApp->dispatch;
# execute
[kurt@localhost ~] myapp hello --age=27
Hello! my name is kurt
age is 27
DESCRIPTION
The expansion module which added plug in, initial setting mechanism to App::CLI
App::CLI::Extension::Component::* modules is automatic, and it is done require
(It is now Config and Stash is automatic, and it is done require)
RUN PHASE
+----------------------+
| ** run_method ** |
| +----------------+ |
| | setup phase | |
| +----------------+ |
| || |
| +----------------+ |
| | prerun phase | |
| +----------------+ |
| || |
| +----------------+ | if anything error... +----------------+
| | run phase | | ======================> | fail phase |
| +----------------+ | +----------------+
| || | set exit_value(default: 255)
| +----------------+ | |
| | postrun phase | | |
| +----------------+ | |
+----------------------+ |
| |
| |
+----------------+ |
| finish phase | <================================== +
+----------------+
|
exit
SETUP
If you define initialization and initialization of each plug-in
PRERUN
If you want the process to run before you run something in the main processing
RUN
Process to define the main(require)
POSTRUN
After the run method to execute
FINISH
At the end of all processing
FAIL
setup/prerun/run/postrun/finish processing to be executed if an exception occurs somewhere in the phase error
METHOD
load_plugins
auto load and require plugin modules
Example
# MyApp.pm
# MyApp::Plugin::GoodMorning and App::CLI::Plugin::Config::YAML::Syck require
__PACKAGE__->load_plugins(qw(+MyApp::Plugin::GoodMorning Config::YAML::Syck));
# MyApp/Plugin/GoodMorning.pm
package MyApp::Plugin::GoodMorning;
use strict;
sub good_morning {
my $self = shift;
print "Good monring!\n";
}
# MyApp/Hello.pm
package MyApp::Hello;
use strict;
use base qw(App::CLI::Command);
sub run {
my($self, @args) = @_;
$self->good_morning;
}
# myapp
#!/usr/bin/perl
use strict;
use MyApp;
MyApp->dispatch;
# execute
[kurt@localhost ~] myapp hello
Good morning!
config
configuration method
Example
# MyApp.pm
__PACKAGE__->config(
name => "kurt",
favorite_group => "nirvana",
favorite_song => ["Lounge Act", "Negative Creep", "Radio Friendly Unit Shifter", "You Know You're Right"]
);
# MyApp/Hello.pm
package MyApp::Hello;
use strict;
use base qw(App::CLI::Command);
sub run {
my($self, @args) = @_;
print "My name is " . $self->config->{name} . "\n";
print "My favorite group is " . $self->config->{favorite_group} . "\n";
print "My favorite song is " . join(",", @{$self->config->{favorite_song}});
print " and Smells Like Teen Spirit\n"
}
# myapp
#!/usr/bin/perl
use strict;
use MyApp;
MyApp->dispatch;
# execute
[kurt@localhost ~] myapp hello
My name is kurt
My favorite group is nirvana
My favorite song is Lounge Act,Negative Creep,Radio Friendly Unit Shifter,You Know You're Right and Smells Like Teen Spirit
COMPONENT METHOD
argv0
my script name
Example:
# MyApp/Hello.pm
package MyApp::Hello;
use strict;
use feature ":5.10.0";
use base qw(App::CLI::Command);
sub run {
my($self, @args) = @_;
say "my script name is " . $self->argv0;
}
1;
# execute
[kurt@localhost ~] myapp hello
my script name is myapp
full_argv0
my script fullname
Example:
# MyApp/Hello.pm
package MyApp::Hello;
use strict;
use feature ":5.10.0";
use base qw(App::CLI::Command);
sub run {
my($self, @args) = @_;
say "my script full name is " . $self->full_argv0;
}
1;
# execute
[kurt@localhost ~] myapp hello
my script name is /home/kurt/myapp
cmdline
my execute cmdline string
Example:
# MyApp/Hello.pm
package MyApp::Hello;
use strict;
use feature ":5.10.0";
use base qw(App::CLI::Command);
sub run {
my($self, @args) = @_;
say "my script cmdline is [" . $self->cmdline . "]";
}
1;
# execute
[kurt@localhost ~] myapp hello --verbose --num=10
my script cmdline is [/home/kurt/myapp hello --verbose --num=10]
orig_argv
my execute script original argv
Example:
# MyApp/Hello.pm
package MyApp::Hello;
use strict;
use feature ":5.10.0";
use base qw(App::CLI::Command);
sub run {
my($self, @args) = @_;
say "my script original argv is [" join(", ", @{$self->orig_argv}) . "]";
}
1;
# execute
[kurt@localhost ~] myapp hello --verbose --num=10
my script original argv is [hello,--verbose, --num=10]
stash
like global variable in Command package
Example:
# MyApp/Hello.pm
package MyApp::Hello;
use strict;
use feature ":5.10.0";
use base qw(App::CLI::Command);
sub run {
my($self, @args) = @_;
$self->stash->{name} = "kurt";
say "stash value: " . $self->stash->{name};
}
1;
new_callback
install new callback phase
Example:
$self->new_callback("some_phase");
# registered callback argument pattern
$self->new_callback("some_phase", sub { $self = shift; "anything to do..." });
add_callback
install callback
Example:
$self->add_callback("some_phase", sub { my $self = shift; say "some_phase method No.1" });
$self->add_callback("some_phase", sub { my $self = shift; say "some_phase method No.1" });
$self->add_callback("any_phase", sub {
my($self, @args) = @_;
say "any_phase args: @args";
});
exec_callback
execute callback
Example:
$self->execute_callback("some_phase");
# some_phase method method No.1
# some_phase method method No.2
$self->execute_callback("any_phase", qw(one two three));
# any_phase args: one two three
exists_callback
exists callback check
Example:
if ($self->exists_callback("some_phase")) {
$self->exec_callback("some_phase");
} else {
die "some_phase is not exists callback phase";
}
exit_value
set exit value
Example:
# program exit value is 1(ex. echo $?)
$self->exit_value(1);
RUN PHASE METHOD
setup
prerun
postrun
finish
program last phase. By default, the exit will be executed automatically, exit if you do not want the APPCLI_NON_EXIT environ valiable how do I set the (value is whatever)
fail
error phase. default errstr exit value is 255. if you want to change exit_value, see exit_value manual
SEE ALSO
App::CLI Class::Data::Accessor UNIVERSAL::require
AUTHOR
Akira Horimoto
COPYRIGHT AND LICENSE
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
Copyright (C) 2009 Akira Horimoto