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NAME

POE::Component::IRC::Plugin::HTML::ElementInfo - lookup HTML element information from IRC

SYNOPSIS

use strict;
use warnings;

use POE qw(Component::IRC  Component::IRC::Plugin::HTML::ElementInfo);

my $irc = POE::Component::IRC->spawn(
    nick        => 'HTMLInfoBot',
    server      => 'irc.freenode.net',
    port        => 6667,
    ircname     => 'Lookup HTML element info',
);

POE::Session->create(
    package_states => [
        main => [ qw(_start irc_001) ],
    ],
);

$poe_kernel->run;

sub _start {
    $irc->yield( register => 'all' );

    $irc->plugin_add(
        'HTMLInfo' =>
            POE::Component::IRC::Plugin::HTML::ElementInfo->new
    );

    $irc->yield( connect => {} );
}

sub irc_001 {
    $_[KERNEL]->post( $_[SENDER] => join => '#zofbot' );
}


<Zoffix> HTMLInfoBot, html span
<HTMLInfoBot> Zoffix, span [HTML 4.01] is not empty and not deprecated.
              Start tag is required. End tag is required. Description:
              generic language/style container.
<Zoffix> HTMLInfoBot, html head
<HTMLInfoBot> Zoffix, head [HTML 4.01] is not empty and not deprecated.
              Start tag is optional. End tag is optional. Description:
              document head.
<Zoffix> HTMLInfoBot, html u
<HTMLInfoBot> Zoffix, u [Loose HTML 4.01] is not empty and deprecated.
              Start tag is required. End tag is required. Description:
              underlined text style.
<Zoffix> HTMLInfoBot, html blah
<HTMLInfoBot> Zoffix, I don't have information for blah

DESCRIPTION

This module is a POE::Component::IRC plugin which uses POE::Component::IRC::Plugin for its base. It provides interface to lookup HTML element information (description, whether or not the element is deprecated, are opening/closing tags required, etc)

It accepts input from public channel events, /notice messages as well as /msg (private messages); although that can be configured at will.

CONSTRUCTOR

new

# plain and simple
$irc->plugin_add(
    'HTMLInfo' => POE::Component::IRC::Plugin::HTML::ElementInfo->new
);

# juicy flavor
$irc->plugin_add(
    'HTMLInfo' =>
        POE::Component::IRC::Plugin::HTML::ElementInfo->new(
            auto             => 1,
            response_event   => 'irc_html_info',
            banned           => [ qr/aol\.com$/i ],
            root             => [ qr/mah.net$/i ],
            addressed        => 1,
            trigger          => qr/^html\s+(?=\S+$)/i,
            listen_for_input => [ qw(public notice privmsg) ],
            eat              => 1,
            debug            => 0,
            out_format       => '[[el]] [[[dtd]]] is [l[empty]] and '
                                . '[l[deprecated]]. Start tag is [l[start_tag]].'
                                . ' End tag is [l[end_tag]]. '
                                . 'Description: [l[description]].',
        )
);

The new() method constructs and returns a new POE::Component::IRC::Plugin::HTML::ElementInfo object suitable to be fed to POE::Component::IRC's plugin_add method. The constructor takes a few arguments, but all of them are optional. Note: you can change the values for constructor's arguments by accessing them as keys in plugin's object, i.e. $plugin_object->{one_of_arguments} = 'blah'

The possible arguments/values are as follows:

auto

->new( auto => 0 );

Optional. Takes either true or false values, specifies whether or not the plugin should auto respond to requests. When the auto argument is set to a true value plugin will respond to the requesting person with the results automatically. When the auto argument is set to a false value plugin will not respond and you will have to listen to the events emitted by the plugin to retrieve the results (see EMITTED EVENTS section and response_event argument for details). Defaults to: 1.

response_event

->new( response_event => 'event_name_to_receive_results' );

Optional. Takes a scalar string specifying the name of the event to emit when the results of the request are ready. See EMITTED EVENTS section for more information. Defaults to: irc_html_info

banned

->new( banned => [ qr/aol\.com$/i ] );

Optional. Takes an arrayref of regexes as a value. If the usermask of the person (or thing) making the request matches any of the regexes listed in the banned arrayref, plugin will ignore the request. Defaults to: [] (no bans are set).

root

->new( root => [ qr/\Qjust.me.and.my.friend.net\E$/i ] );

Optional. As opposed to banned argument, the root argument allows access only to people whose usermasks match any of the regexen you specify in the arrayref the argument takes as a value. By default: it is not specified. Note: as opposed to banned specifying an empty arrayref to root argument will restrict access to everyone.

trigger

->new( trigger => qr/^html\s+(?=\S+$)/i );

Optional. Takes a regex as an argument. Messages matching this regex will be considered as requests. See also addressed option below which is enabled by default. Note: the trigger will be removed from the message, therefore make sure your trigger doesn't match the actual data that needs to be processed. Defaults to: qr/^html\s+(?=\S+$)/i

addressed

->new( addressed => 1 );

Optional. Takes either true or false values. When set to a true value all the public messages must be addressed to the bot. In other words, if your bot's nickname is Nick and your trigger is qr/^trig\s+/ you would make the request by saying Nick, trig span. When addressed mode is turned on, the bot's nickname, including any whitespace and common punctuation character will be removed before matching the trigger (see above). When addressed argument it set to a false value, public messages will only have to match trigger regex in order to make a request. Note: this argument has no effect on /notice and /msg requests. Defaults to: 1

listen_for_input

->new( listen_for_input => [ qw(public  notice  privmsg) ] );

Optional. Takes an arrayref as a value which can contain any of the three elements, namely public, notice and privmsg which indicate which kind of input plugin should respond to. When the arrayref contains public element, plugin will respond to requests sent from messages in public channels (see addressed argument above for specifics). When the arrayref contains notice element plugin will respond to requests sent to it via /notice messages. When the arrayref contains privmsg element, the plugin will respond to requests sent to it via /msg (private messages). You can specify any of these. In other words, setting ( listen_for_input = [ qr(notice privmsg) ] )> will enable functionality only via /notice and /msg messages. Defaults to: [ qw(public notice privmsg) ]

out_format

->new( out_format =>
    '[[el]] [[[dtd]]] is [l[empty]] and '
    . '[l[deprecated]]. Start tag is [l[start_tag]]. End tag is '
    . '[l[end_tag]]. Description: [l[description]].'
);

This monster argument specifies the format of the output message. As a value it takes a string with "tags". Those tags will be substituted by particular bits of information they represent. Tags in format [[tag_name]] will be replaced as they are and tags in format [l[tag_name]] (note the 'l') will be replaced by data in all lower case. In other words if data for tag 'empty' reads "Not empty" the [[empty]] tag will be replaced by words "Not empty" but [l[empty]] tags will be replaced by words "not empty". You can duplicate tags if you like. By default the out_format is set to:

'[[el]] [[[dtd]]] is [l[empty]] and '
. '[l[deprecated]]. Start tag is [l[start_tag]]. End tag is '
. '[l[end_tag]]. Description: [l[description]].'

Which results in message as:

<HTMLInfoBot> Zoffix, u [Loose HTML 4.01] is not empty and deprecated.
Start tag is required. End tag is required. Description: underlined
text style.

Possible tags are as follows:

`[[el]]`

Will be replaced by element's name, i.e. what the user gave the plugin to lookup information for.

`[[dtd]]`

Will be replaced with the DTD (Document Type Definition) in which the element is valid (this would usually be HTML 4.01 Strict, Loose and Frameset).

`[[empty]]`

Will be replaced with words "empty" or "not empty" depending on whether or not the element is an empty element

`[[deprecated]]`

Will be replaced with words "deprecated" or "not deprecated" indicating whether or not the element is deprecated in HTML 4.01 Strict.

`[[start_tag]]`

Will be replaced by words "required" or "optional" indicating whether or not the start tag for this element is required.

`[[end_tag]]`

Same as [[start_tag]] except this is for the end tag.

`[[description]]`

Will be replaced with element's short description (its purpose)

eat

->new( eat => 0 );

Optional. If set to a false value plugin will return a PCI_EAT_NONE after responding. If eat is set to a true value, plugin will return a PCI_EAT_ALL after responding. See POE::Component::IRC::Plugin documentation for more information if you are interested. Defaults to: 1

debug

->new( debug => 1 );

Optional. Takes either a true or false value. When debug argument is set to a true value some debugging information will be printed out. When debug argument is set to a false value no debug info will be printed. Defaults to: 0.

EMITTED EVENTS

response_event

$VAR1 = {
    'out' => 'span [HTML 4.01] is not empty and not deprecated. Start
    tag is required. End tag is required. Description: generic
    language/style container.',
    'who' => 'Zoffix!n=Zoffix@unaffiliated/zoffix',
    'what' => 'span',
    'type' => 'public',
    'channel' => '#zofbot',
    'message' => 'HTMLInfoBot, html span'
};

The event handler set up to handle the event, name of which you've specified in the response_event argument to the constructor (it defaults to irc_html_info) will receive input every time request is completed. The input will come in $_[ARG0] in a form of a hashref. The keys/value of that hashref are as follows:

out

{ 'out' => 'span [HTML 4.01] is not empty and not deprecated. Start
        tag is required. End tag is required. Description: generic
        language/style container.' }

The out key will contain the "information message", this will be your out_format (see constructor) string filled with bits of information and this will be what will be sent to IRC if auto argument to constructor is set to a true value.

what

{ 'what' => 'span' }

The what key will contain the name of the element which was looked up.

who

{ 'who' => 'Zoffix!n=Zoffix@unaffiliated/zoffix' }

The who key will contain the usermask of the user who sent the request.

type

{ 'type' => 'public' }

The type key will contain the "type" of the message sent by the requester. The possible values are: public, notice and privmsg indicating that request was requested in public channel, via /notice and via /msg (private message) respectively.

channel

{ 'channel' => '#zofbot' }

The channel key will contain the name of the channel from which the request came from. This will only make sense when type key (see above) contains public.

message

{ 'message' => 'HTMLInfoBot, html span' }

The message key will contain the message which the user has sent to request.

REPOSITORY

Fork this module on GitHub: https://github.com/zoffixznet/POE-Component-IRC-PluginBundle-WebDevelopment

BUGS

To report bugs or request features, please use https://github.com/zoffixznet/POE-Component-IRC-PluginBundle-WebDevelopment/issues

If you can't access GitHub, you can email your request to bug-POE-Component-IRC-PluginBundle-WebDevelopment at rt.cpan.org

AUTHOR

Zoffix Znet <zoffix at cpan.org> (http://zoffix.com/, http://haslayout.net/)

LICENSE

You can use and distribute this module under the same terms as Perl itself. See the LICENSE file included in this distribution for complete details.

To install POE::Component::IRC::PluginBundle::WebDevelopment, copy and paste the appropriate command in to your terminal.

cpanm

cpanm POE::Component::IRC::PluginBundle::WebDevelopment

CPAN shell

perl -MCPAN -e shell
install POE::Component::IRC::PluginBundle::WebDevelopment

For more information on module installation, please visit the detailed CPAN module installation guide.

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Why not adopt me?

NAME

SYNOPSIS

DESCRIPTION

CONSTRUCTOR

new

auto

response_event

banned

root

trigger

addressed

listen_for_input

out_format

[[el]]

[[dtd]]

[[empty]]

[[deprecated]]

[[start_tag]]

[[end_tag]]

[[description]]

eat

debug

EMITTED EVENTS

response_event

out

what

who

type

channel

message

REPOSITORY

BUGS

AUTHOR

LICENSE

Module Install Instructions

`[[el]]`

`[[dtd]]`

`[[empty]]`

`[[deprecated]]`

`[[start_tag]]`

`[[end_tag]]`

`[[description]]`