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    | Email::Address::XS(3) | 
    User Contributed Perl Documentation | 
    Email::Address::XS(3) | 
   
 
Email::Address::XS - Parse and format RFC 5322 email addresses and
    groups 
  use Email::Address::XS;
  my $winstons_address = Email::Address::XS->new(phrase => 'Winston Smith', user => 'winston.smith', host => 'recdep.minitrue', comment => 'Records Department');
  print $winstons_address->address();
  # winston.smith@recdep.minitrue
  my $julias_address = Email::Address::XS->new('Julia', 'julia@ficdep.minitrue');
  print $julias_address->format();
  # Julia <julia@ficdep.minitrue>
  my $users_address = Email::Address::XS->parse('user <user@oceania>');
  print $users_address->host();
  # oceania
  my $goldsteins_address = Email::Address::XS->parse_bare_address('goldstein@brotherhood.oceania');
  print $goldsteins_address->user();
  # goldstein
  my @addresses = Email::Address::XS->parse('"Winston Smith" <winston.smith@recdep.minitrue> (Records Department), Julia <julia@ficdep.minitrue>');
  # ($winstons_address, $julias_address)
  use Email::Address::XS qw(format_email_addresses format_email_groups parse_email_addresses parse_email_groups);
  my $addresses_string = format_email_addresses($winstons_address, $julias_address, $users_address);
  # "Winston Smith" <winston.smith@recdep.minitrue> (Records Department), Julia <julia@ficdep.minitrue>, user <user@oceania>
  my @addresses = map { $_->address() } parse_email_addresses($addresses_string);
  # ('winston.smith@recdep.minitrue', 'julia@ficdep.minitrue', 'user@oceania')
  my $groups_string = format_email_groups('Brotherhood' => [ $winstons_address, $julias_address ], undef() => [ $users_address ]);
  # Brotherhood: "Winston Smith" <winston.smith@recdep.minitrue> (Records Department), Julia <julia@ficdep.minitrue>;, user <user@oceania>
  my @groups = parse_email_groups($groups_string);
  # ('Brotherhood' => [ $winstons_address, $julias_address ], undef() => [ $users_address ])
  use Email::Address::XS qw(compose_address split_address);
  my ($user, $host) = split_address('julia(outer party)@ficdep.minitrue');
  # ('julia', 'ficdep.minitrue')
  my $string = compose_address('charrington"@"shop', 'thought.police.oceania');
  # "charrington\"@\"shop"@thought.police.oceania
This module implements RFC 5322
    <https://tools.ietf.org/html/rfc5322> parser and formatter of email
    addresses and groups. It parses an input string from email headers which
    contain a list of email addresses or a groups of email addresses (like From,
    To, Cc, Bcc, Reply-To, Sender, ...). Also it can generate a string value for
    those headers from a list of email addresses objects. Module is backward
    compatible with RFC 2822 <https://tools.ietf.org/html/rfc2822> and RFC
    822 <https://tools.ietf.org/html/rfc822>. 
Parser and formatter functionality is implemented in XS and uses
    shared code from Dovecot IMAP server. 
It is a drop-in replacement for the Email::Address module which
    has several security issues. E.g. issue CVE-2015-7686 (Algorithmic
    complexity vulnerability)
    <https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7686>, which
    allows remote attackers to cause denial of service, is still present in
    Email::Address version 1.908. 
Email::Address::XS module was created to finally fix
    CVE-2015-7686. 
Existing applications that use Email::Address module could be
    easily switched to Email::Address::XS module. In most cases only changing
    "use Email::Address" to
    "use Email::Address::XS" and replacing
    every "Email::Address" occurrence with
    "Email::Address::XS" is sufficient. 
So unlike Email::Address, this module does not use regular
    expressions for parsing but instead native XS implementation parses input
    string sequentially according to RFC 5322 grammar. 
Additionally it has support also for named groups and so can be
    use instead of the Email::Address::List module. 
If you are looking for the module which provides object
    representation for the list of email addresses suitable for the MIME email
    headers, see Email::MIME::Header::AddressList. 
None by default. Exportable functions are:
    "parse_email_addresses",
    "parse_email_groups",
    "format_email_addresses",
    "format_email_groups",
    "compose_address",
    "split_address". 
  - format_email_addresses
 
  - 
    
  use Email::Address::XS qw(format_email_addresses);
  my $winstons_address = Email::Address::XS->new(phrase => 'Winston Smith', address => 'winston@recdep.minitrue');
  my $julias_address = Email::Address::XS->new(phrase => 'Julia', address => 'julia@ficdep.minitrue');
  my @addresses = ($winstons_address, $julias_address);
  my $string = format_email_addresses(@addresses);
  print $string;
  # "Winston Smith" <winston@recdep.minitrue>, Julia <julia@ficdep.minitrue>
    
    Takes a list of email address objects and returns one
        formatted string of those email addresses. 
   
  - format_email_groups
 
  - 
    
  use Email::Address::XS qw(format_email_groups);
  my $winstons_address = Email::Address::XS->new(phrase => 'Winston Smith', user => 'winston.smith', host => 'recdep.minitrue');
  my $julias_address = Email::Address::XS->new('Julia', 'julia@ficdep.minitrue');
  my $users_address = Email::Address::XS->new(address => 'user@oceania');
  my $groups_string = format_email_groups('Brotherhood' => [ $winstons_address, $julias_address ], undef() => [ $users_address ]);
  print $groups_string;
  # Brotherhood: "Winston Smith" <winston.smith@recdep.minitrue>, Julia <julia@ficdep.minitrue>;, user@oceania
  my $undisclosed_string = format_email_groups('undisclosed-recipients' => []);
  print $undisclosed_string;
  # undisclosed-recipients:;
    
    Like
        "format_email_addresses" but this
        method takes pairs which consist of a group display name and a reference
        to address list. If a group is not undef then address list is formatted
        inside named group. 
   
  - parse_email_addresses
 
  - 
    
  use Email::Address::XS qw(parse_email_addresses);
  my $string = '"Winston Smith" <winston.smith@recdep.minitrue>, Julia <julia@ficdep.minitrue>, user@oceania';
  my @addresses = parse_email_addresses($string);
  # @addresses now contains three Email::Address::XS objects, one for each address
    
    Parses an input string and returns a list of
        Email::Address::XS objects. Optional second string argument specifies
        class name for blessing new objects. 
   
  - parse_email_groups
 
  - 
    
  use Email::Address::XS qw(parse_email_groups);
  my $string = 'Brotherhood: "Winston Smith" <winston.smith@recdep.minitrue>, Julia <julia@ficdep.minitrue>;, user@oceania, undisclosed-recipients:;';
  my @groups = parse_email_groups($string);
  # @groups now contains list ('Brotherhood' => [ $winstons_object, $julias_object ], undef() => [ $users_object ], 'undisclosed-recipients' => [])
    
    Like "parse_email_addresses"
        but this function returns a list of pairs: a group display name and a
        reference to a list of addresses which belongs to that named group. An
        undef value for a group means that a following list of addresses is not
        inside any named group. An output is in a same format as a input for the
        function "format_email_groups". This
        function preserves order of groups and does not do any de-duplication or
        merging. 
   
  - compose_address
 
  - 
    
  use Email::Address::XS qw(compose_address);
  my $string_address = compose_address($user, $host);
    
    Takes an unescaped user part and unescaped host part of an
        address and returns escaped address. 
    Available since version 1.01. 
   
  - split_address
 
  - 
    
  use Email::Address::XS qw(split_address);
  my ($user, $host) = split_address($string_address);
    
    Takes an escaped address and split it into pair of unescaped
        user part and unescaped host part of address. If splitting input address
        into these two parts is not possible then this function returns pair of
        undefs. 
    Available since version 1.01. 
   
 
  - new
 
  - 
    
  my $empty_address = Email::Address::XS->new();
  my $winstons_address = Email::Address::XS->new(phrase => 'Winston Smith', user => 'winston.smith', host => 'recdep.minitrue', comment => 'Records Department');
  my $julias_address = Email::Address::XS->new('Julia', 'julia@ficdep.minitrue');
  my $users_address = Email::Address::XS->new(address => 'user@oceania');
  my $only_name = Email::Address::XS->new(phrase => 'Name');
  my $copy_of_winstons_address = Email::Address::XS->new(copy => $winstons_address);
    
    Constructs and returns a new
        "Email::Address::XS" object. Takes
        named list of arguments: phrase, address, user, host, comment and copy.
        An argument address takes precedence over user and host. 
    When an argument copy is specified then it is expected an
        Email::Address::XS object and a cloned copy of that object is returned.
        All other parameters are ignored. 
    Old syntax from the Email::Address module is supported too.
        Takes one to four positional arguments: phrase, address comment, and
        original string. Passing an argument original is deprecated, ignored and
        throws a warning. 
   
  - parse
 
  - 
    
  my $winstons_address = Email::Address::XS->parse('"Winston Smith" <winston.smith@recdep.minitrue> (Records Department)');
  my @users_addresses = Email::Address::XS->parse('user1@oceania, user2@oceania');
    
    Parses an input string and returns a list of an
        Email::Address::XS objects. Same as the function
        "parse_email_addresses" but this one
        is class method. 
    In scalar context this function returns just first parsed
        object. If more then one object was parsed then
        "is_valid" method on returned object
        returns false. If no object was parsed then empty Email::Address::XS
        object is returned. 
    Prior to version 1.01 return value in scalar context is undef
        when no object was parsed. 
   
  - parse_bare_address
 
  - 
    
  my $winstons_address = Email::Address::XS->parse_bare_address('winston.smith@recdep.minitrue');
    
    Parses an input string as one bare email address (addr spec)
        which does not allow phrase part or angle brackets around email address
        and returns an Email::Address::XS object. It is just a wrapper around
        "address" method. Method
        "is_valid" can be used to check if
        parsing was successful. 
    Available since version 1.01. 
   
 
  - format
 
  - 
    
  my $string = $address->format();
    
    Returns formatted Email::Address::XS object as a string. This
        method throws a warning when "user" or
        "host" part of the email address is
        invalid or empty string. 
   
  - is_valid
 
  - 
    
  my $is_valid = $address->is_valid();
    
    Returns true if the parse function or method which created
        this Email::Address::XS object had not received any syntax error on
        input string and also that "user" and
        "host" part of the email address are
        not empty strings. 
    Thus this function can be used for checking if
        Email::Address::XS object is valid before calling
        "format" method on it. 
    Available since version 1.01. 
   
  - phrase
 
  - 
    
  my $phrase = $address->phrase();
  $address->phrase('Winston Smith');
    
    Accessor and mutator for the phrase (display name). 
   
  - user
 
  - 
    
  my $user = $address->user();
  $address->user('winston.smith');
    
    Accessor and mutator for the unescaped user (local/mailbox)
        part of an address. 
   
  - host
 
  - 
    
  my $host = $address->host();
  $address->host('recdep.minitrue');
    
    Accessor and mutator for the unescaped host (domain) part of
        an address. 
    Since version 1.03 this method checks if setting a new value
        is syntactically valid. If not undef is set and returned. 
   
  - address
 
  - 
    
  my $string_address = $address->address();
  $address->address('winston.smith@recdep.minitrue');
    
    Accessor and mutator for the escaped address (addr spec). 
    Internally this module stores a user and a host part of an
        address separately. Function
        "compose_address" is used for
        composing full address and function
        "split_address" for splitting into a
        user and a host parts. If splitting new address into these two parts is
        not possible then this method returns undef and sets both parts to
        undef. 
   
  
  - 
    
  my $comment = $address->comment();
  $address->comment('Records Department');
    
    Accessor and mutator for the comment which is formatted after
        an address. A comment can contain another nested comments in round
        brackets. When setting new comment this method check if brackets are
        balanced. If not undef is set and returned. 
   
  - name
 
  - 
    
  my $name = $address->name();
    
    This method tries to return a name which belongs to the
        address. It returns either "phrase" or
        "comment" or
        "user" part of the address or empty
        string (first defined value in this order). But it never returns
      undef. 
   
  - as_string
 
  - 
    
  my $address = Email::Address::XS->new(phrase => 'Winston Smith', address => 'winston.smith@recdep.minitrue');
  my $stringified = $address->as_string();
    
    This method is used for object stringification. It returns
        string representation of object. By default object is stringified to
        "format". 
    Available since version 1.01. 
   
  - original
 
  - 
    
  my $address = Email::Address::XS->parse('(Winston) "Smith"   <winston.smith@recdep.minitrue> (Minitrue)');
  my $original = $address->original();
  # (Winston) "Smith"   <winston.smith@recdep.minitrue> (Minitrue)
  my $format = $address->format();
  # Smith <winston.smith@recdep.minitrue> (Minitrue)
    
    This method returns original part of the string which was used
        for parsing current Email::Address::XS object. If object was not created
        by parsing input string, then this method returns undef. 
    Note that "format" method
        does not have to return same original string. 
    Available since version 1.01. 
   
 
  - stringify
 
  - 
    
  my $address = Email::Address::XS->new(phrase => 'Winston Smith', address => 'winston.smith@recdep.minitrue');
  print "Winston's address is $address.";
  # Winston's address is "Winston Smith" <winston.smith@recdep.minitrue>.
    
    Stringification is done by method
        "as_string". 
   
 
For compatibility with the Email::Address module there are defined
    some deprecated functions and variables. Do not use them in new code. Their
    usage throws warnings. 
Altering deprecated variable
    $Email::Address::XS::STRINGIFY changes method which
    is called for objects stringification. 
Deprecated cache functions
    "purge_cache",
    "disable_cache" and
    "enable_cache" are noop and do
  nothing. 
RFC 822 <https://tools.ietf.org/html/rfc822>, RFC 2822
    <https://tools.ietf.org/html/rfc2822>, RFC 5322
    <https://tools.ietf.org/html/rfc5322>,
    Email::MIME::Header::AddressList, Email::Address, Email::Address::List,
    Email::AddressParser 
Copyright (C) 2015-2018 by Pali <pali@cpan.org> 
This library is free software; you can redistribute it and/or
    modify it under the same terms as Perl itself, either Perl version 5.6.0 or,
    at your option, any later version of Perl 5 you may have available. 
Dovecot parser is licensed under The MIT License and copyrighted
    by Dovecot authors. 
 
 
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