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Manual Reference Pages  -  HTML::ENTITIES::IMODEPICTOGRAM (3)

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NAME

HTML::Entities::ImodePictogram - encode / decode i-mode pictogram

CONTENTS

SYNOPSIS



  use HTML::Entities::ImodePictogram;

  $html      = encode_pictogram($rawtext);
  $rawtext   = decode_pictogram($html);
  $cleantext = remove_pictogram($rawtext);

  use HTML::Entities::ImodePictogram qw(find_pictogram);

  $num_found = find_pictogram($rawtext, \&callback);



DESCRIPTION

HTML::Entities::ImodePictogram handles HTML entities for i-mode pictogram (emoji), which are assigned in Shift_JIS private area.

See http://www.nttdocomo.co.jp/i/tag/emoji/index.html for details about i-mode pictogram.

FUNCTIONS

In all functions in this module, input/output strings are asssumed as encoded in Shift_JIS. See Jcode for conversion between Shift_JIS and other encodings like EUC-JP or UTF-8.

This module exports following functions by default.
encode_pictogram


  $html = encode_pictogram($rawtext);
  $html = encode_pictogram($rawtext, unicode => 1);



Encodes pictogram characters in raw-text into HTML entities. If $rawtext contains extended pictograms, they are encoded in Unicode format. If you add unicode option explicitly, all pictogram characters are encoded in Unicode format (￿). Otherwise, encoding is done in decimal format (&#NNNNN;).

decode_pictogram


  $rawtext = decode_pictogram($html);



Decodes HTML entities (both for ￿ and &#NNNNN;) for pictogram into raw-text in Shift_JIS.

remove_pictogram


  $cleantext = remove_pictogram($rawtext);



Removes pictogram characters in raw-text.

This module also exports following functions on demand.
find_pictogram


  $num_found = find_pictorgram($rawtext, \&callback);



Finds pictogram characters in raw-text and executes callback when found. It returns the total numbers of charcters found in text.

The callback is given three arguments. The first is a found pictogram character itself, and the second is a decimal number which represents Shift_JIS codepoint of the character. The third is a Unicode codepoint. Whatever the callback returns will replace the original text.

Here is a stub implementation of encode_pictogram(), which will be the good example for the usage of find_pictogram(). Note that this example version doesn’t support extended pictograms.



  sub encode_pictogram {
      my $text = shift;
      find_pictogram($text, sub {
                         my($char, $number, $cp) = @_;
                         return &# . $number . ;;
                     });
      return $text;
  }



CAVEAT

o This module works so slow, because regex used here matches ANY characters in the text. This is due to the difficulty of extracting character boundaries of Shift_JIS encoding.
o Extended pictogram support of this module is not complete. If you handle pictogram characters in Unicode, try Encode module with perl 5.8.0, or Unicode::Japanese.

AUTHOR

Tatsuhiko Miyagawa <miyagawa@bulknews.net>

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

HTML::Entities, Unicode::Japanese, http://www.nttdocomo.co.jp/p_s/imode/tag/emoji/
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perl v5.20.3 HTML::ENTITIES::IMODEPICTOGRAM (3) 2003-06-23

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