1 | ###########################################################################
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2 | #
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3 | # CJKTextSegmenter - helper plugin that segments chinese/japanese/korean text
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4 | # into single characters
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5 | #
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6 | # A component of the Greenstone digital library software
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7 | # from the New Zealand Digital Library Project at the
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8 | # University of Waikato, New Zealand.
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9 | #
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10 | # Copyright (C) 2008 New Zealand Digital Library Project
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11 | #
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12 | # This program is free software; you can redistribute it and/or modify
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13 | # it under the terms of the GNU General Public License as published by
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14 | # the Free Software Foundation; either version 2 of the License, or
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15 | # (at your option) any later version.
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16 | #
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17 | # This program is distributed in the hope that it will be useful,
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18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 | # GNU General Public License for more details.
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21 | #
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22 | # You should have received a copy of the GNU General Public License
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23 | # along with this program; if not, write to the Free Software
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24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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25 | #
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26 | ###########################################################################
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27 |
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28 | package CJKTextSegmenter;
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29 |
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30 | use cnseg;
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31 | use PrintInfo;
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32 | use strict;
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33 |
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34 | BEGIN {
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35 | @CJKTextSegmenter::ISA = ('PrintInfo');
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36 | }
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37 |
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38 | my $arguments = [
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39 | { 'name' => "separate_cjk",
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40 | 'desc' => "{CJKTextSegmenter.separate_cjk}",
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41 | 'type' => "flag",
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42 | 'reqd' => "no" }
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43 | ];
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44 | my $options = { 'name' => "CJKTextSegmenter",
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45 | 'desc' => "{CJKTextSegmenter.desc}",
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46 | 'abstract' => "yes",
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47 | 'inherits' => "yes",
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48 | 'args' => $arguments };
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49 |
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50 |
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51 | sub new {
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52 | my ($class) = shift (@_);
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53 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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54 | push(@$pluginlist, $class);
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55 |
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56 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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57 | push(@{$hashArgOptLists->{"OptList"}},$options);
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58 |
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59 | my $self = new PrintInfo($pluginlist, $inputargs, $hashArgOptLists, 1);
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60 |
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61 | return bless $self, $class;
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62 |
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63 | }
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64 |
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65 |
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66 | sub separate_cjk_text {
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67 |
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68 | my $self = shift (@_);
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69 | my ($doc_obj) = @_;
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70 |
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71 | if($self->{'separate_cjk'}) {
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72 | my $thissection = $doc_obj->get_top_section();
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73 | while (defined $thissection) {
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74 |
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75 | my $text = $doc_obj->get_text($thissection);
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76 | $text = &cnseg::segment($text);
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77 | $doc_obj->add_utf8_text($thissection, $text);
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78 | $thissection = $doc_obj->get_next_section ($thissection);
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79 | }
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80 | }
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81 | }
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82 |
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83 | 1;
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