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Graham Ollis 🔥🐉

NAME

Text::Hunspell::FFI - Perl FFI interface to the Hunspell library

VERSION

version 0.02

SYNOPSIS

    use Text::Hunspell::FFI;

    # You can use relative or absolute paths.
    my $speller = Text::Hunspell::FFI->new(
        "/usr/share/hunspell/en_US.aff",    # Hunspell affix file
        "/usr/share/hunspell/en_US.dic"     # Hunspell dictionary file
    );

    die unless $speller;

    # Check a word against the dictionary
    my $word = 'opera';
    print $speller->check($word)
          ? "'$word' found in the dictionary\n"
          : "'$word' not found in the dictionary!\n";

    # Spell check suggestions
    my $misspelled = 'programmng';
    my @suggestions = $speller->suggest($misspelled);
    print "\n", "You typed '$misspelled'. Did you mean?\n";
    for (@suggestions) {
        print "  - $_\n";
    }

    # Add dictionaries later
    $speller->add_dic('dictionary_file.dic');

DESCRIPTION

NOTE: This module is a reimplementation of Text::Hunspell using FFI::Platypus instead of XS. The documentation has largely be cribbed from that module. The main advantage to this module is that it does not require a compiler. The man disadvantage is that it is experimental and may break.

This module provides a Perl interface to the Hunspell library. This module is to meet the need of looking up many words, one at a time, in a single session, such as spell-checking a document in memory.

The example code describes the interface on http://hunspell.sf.net

METHODS

The following methods are available:

new

 my $spell = Text::Hunspell::FFI->new($full_path_to_affix, $full_path_to_dic);

Creates a new speller object. Parameters are:

full path of affix (.aff) file
full path of dictionary (.dic) file

Returns undef if the object could not be created, which is unlikely.

add_dic

 $spell->add_dic($path_to_dic);

Adds a new dictionary to the current Text::Hunspell::FFI object. This dictionary will use the same affix file as the original dictionary, so this is like using a personal word list in a given language. To check spellings in several different languages, use multiple Text::Hunspell::FFI objects.

check

 my $bool = $spell->check($word);

Check the word. Returns 1 if the word is found, 0 otherwise.

suggest

 my @words = $spell->suggest($misspelled_word);

Returns the list of suggestions for the misspelled word.

The following methods are used for morphological analysis, which is looking at the structure of words; parts of speech, inflectional suffixes and so on. However, most of the dictionaries that Hunspell can use are missing this information and only contain affix flags which allow, for example, 'cat' to turn into 'cats' but not 'catability'. (Users of the French and Hungarian dictionaries will find that they have more information available.)

analyze

 my @words = $spell->analyze($word);

Returns the analysis list for the word. This will be a list of strings that contain a stem word and the morphological information about the changes that have taken place from the stem. This will most likely be 'fl:X' strings that indicate that affix flag 'X' was applied to the stem. Words may have more than one stem, and each one will be returned as a different item in the list.

However, with a French dictionary loaded, analyze('chanson') will return

  st:chanson po:nom is:fem is:sg

to tell you that "chanson" is a feminine singular noun, and analyze('chansons') will return

  st:chanson po:nom is:fem is:pl

to tell you that you've analyzed the plural of the same noun.

stem

 my @stems = $spell->stem($word);

Returns the stem list for the word. This is a simpler version of the results from analyze().

generate2

 my @ana = $spell->generate2($stem, \@suggestions)

Returns a morphologically modified stem as defined in @suggestions (got by analysis).

With a French dictionary:

  $feminine_form = 'chanteuse';
  @ana = $speller->analyze($feminine_form);
  $ana[0] =~ s/is:fem/is:mas/;
  print $speller->generate2($feminine_form, \@ana)

will print 'chanteur'.

generate

 my @ana = generate($stem, $word)

Returns morphologically modified stem like $word.

  $french_speller->generate('danseuse', 'chanteur');

tells us that the masculine form of 'danseuse' is 'danseur'.

SEE ALSO

Text::Hunspell
FFI::Platypus

CAVEATS

Please see:

http://hunspell.sf.net

For the dictionaries:

https://wiki.openoffice.org/wiki/Dictionaries
http://magyarispell.sf.net for Hungarian dictionary

AUTHOR

Graham Ollis <plicease@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2015 by Graham Ollis.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.