[25113] | 1 | package LoremTextPlugin;
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| 2 |
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| 3 | use TextFile;
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| 4 |
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| 5 | use strict;
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| 6 | no strict 'refs'; # allow filehandles to be variables and viceversa
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| 7 | no strict 'subs';
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| 8 |
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| 9 | sub BEGIN {
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| 10 | @LoremTextPlugin::ISA = ('TextFile');
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| 11 | }
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| 12 |
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| 13 | my $arguments =
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| 14 | [ { 'name' => "process_exp",
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| 15 | 'desc' => "{BasePlugin.process_exp}",
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| 16 | 'type' => "regexp",
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| 17 | 'deft' => &get_default_process_exp(),
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| 18 | 'reqd' => "no" } ];
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| 19 |
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| 20 | my $options = { 'name' => "LoremTextPlugin",
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| 21 | 'desc' => "TextPlugin extended to do a little more processing (to stress CPU rather than IO)",
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| 22 | 'abstract' => "no",
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| 23 | 'inherits' => "yes",
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| 24 | 'srcreplaceable' => "yes", # Source docs in regular txt format can be replaced with GS-generated html
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| 25 | 'args' => $arguments };
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| 26 |
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| 27 |
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| 28 | sub new
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| 29 | {
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| 30 | my ($class) = shift (@_);
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| 31 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 32 | push(@$pluginlist, $class);
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| 33 |
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| 34 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 35 | push(@{$hashArgOptLists->{"OptList"}},$options);
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| 36 |
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| 37 | my $self = new TextFile($pluginlist, $inputargs, $hashArgOptLists);
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| 38 |
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| 39 | $self->{'lexicon'} = {};
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| 40 | $self->{'word_lengths'} = {};
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| 41 |
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| 42 | return bless $self, $class;
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| 43 | }
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| 44 |
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| 45 | # do plugin specific processing of doc_obj
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| 46 | sub process
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| 47 | {
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| 48 | my $self = shift (@_);
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| 49 | my ($textref, $pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli) = @_;
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| 50 | my $outhandle = $self->{'outhandle'};
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| 51 |
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| 52 | my $cursection = $doc_obj->get_top_section();
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| 53 |
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| 54 | # get title metadata
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| 55 | # (don't need to get title if it has been passed
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| 56 | # in from another plugin)
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| 57 | if (!defined $metadata->{'Title'})
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| 58 | {
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| 59 | my $title = $self->get_title_metadata($textref);
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| 60 | $doc_obj->add_utf8_metadata ($cursection, "Title", $title);
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| 61 | }
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| 62 | # Add FileFormat metadata
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| 63 | $doc_obj->add_metadata($cursection, "FileFormat", "Text");
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| 64 |
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| 65 | # Process the text to determine
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| 66 | # - a) the lexicon used, and
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| 67 | $self->{'lexicon'} = {};
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| 68 | # - b) the frequency of words of various lengths
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| 69 | $self->{'word_lengths'} = {};
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| 70 |
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| 71 | my @words = split('/[\,\.\s]+/', $$textref);
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| 72 | foreach my $word (@words)
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| 73 | {
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| 74 | $word = lc($word);
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| 75 | if (defined $self->{'lexicon'}->{$word})
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| 76 | {
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| 77 | $self->{'lexicon'}->{$word}++;
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| 78 | }
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| 79 | else
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| 80 | {
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| 81 | $self->{'lexicon'}->{$word} = 1;
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| 82 | }
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| 83 | my $length = length($word);
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| 84 | if (defined $self->{'word_lengths'}->{$length})
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| 85 | {
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| 86 | $self->{'word_lengths'}->{$length} = 1;
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| 87 | }
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| 88 | else
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| 89 | {
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| 90 | $self->{'word_lengths'}->{$length}++;
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| 91 | }
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| 92 | }
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| 93 |
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| 94 | my @lexicon;
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| 95 | foreach my $word (sort keys %{$self->{'lexicon'}})
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| 96 | {
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| 97 | push(@lexicon, $word . ':' . $self->{'lexicon'}->{$word});
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| 98 | }
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| 99 | $doc_obj->add_metadata($cursection, "Lexicon", join(', ', @lexicon));
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| 100 |
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| 101 | my @word_lengths;
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| 102 | foreach my $word_length (sort keys %{$self->{'word_lengths'}})
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| 103 | {
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| 104 | push(@word_lengths, $word_length . ':' . $self->{'word_lengths'}->{$word_length});
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| 105 | }
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| 106 | $doc_obj->add_metadata($cursection, "WordLengths", join(', ', @word_lengths));
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| 107 |
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| 108 | # insert preformat tags and add text to document object
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| 109 | $self->text_to_html($textref); # modifies the text
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| 110 | $doc_obj->add_utf8_text($cursection, $$textref);
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| 111 |
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| 112 | return 1;
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| 113 | }
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| 114 |
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| 115 | 1;
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