1 | ###########################################################################
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2 | #
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3 | # ExcelPlug.pm -- plugin for importing Microsoft Excel files.
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4 | # (currently only versions 95 and 97)
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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) 2002 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 ExcelPlug;
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29 |
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30 | use ConvertToPlug;
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31 |
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32 | sub BEGIN {
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33 | @ISA = ('ConvertToPlug');
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34 | }
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35 |
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36 | sub new {
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37 | my $class = shift (@_);
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38 |
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39 | my $self = new ConvertToPlug ($class, @_);
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40 |
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41 | # I'm not sure what encoding xlhtml produces - I think it puts it
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42 | # into the Content-Type meta tag in the header of the HTML file.
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43 |
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44 | # if ($self->{'input_encoding'} eq "auto") {
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45 | # $self->{'input_encoding'} = "utf8";
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46 | # }
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47 |
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48 | return bless $self, $class;
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49 | }
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50 |
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51 | sub get_default_process_exp {
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52 | my $self = shift (@_);
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53 | return q^(?i)\.xls$^;
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54 | }
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55 |
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56 | sub process {
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57 | my $self = shift (@_);
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58 |
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59 | my $outhandle = $self->{'outhandle'};
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60 | print $outhandle "ExcelPlug: passing $_[3] on to $self->{'converted_to'}Plug\n"
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61 | if $self->{'verbosity'} > 1;
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62 |
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63 | return ConvertToPlug::process_type($self,"xls",@_);
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64 | }
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65 |
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66 | 1;
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