| 1 | ###########################################################################
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| 2 | #
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| 3 | # WordPlugin.pm -- plugin for importing Microsoft Word documents
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| 4 | # A component of the Greenstone digital library software
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| 5 | # from the New Zealand Digital Library Project at the
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| 6 | # University of Waikato, New Zealand.
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| 7 | #
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| 8 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistribute it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 | package WordPlugin;
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| 26 |
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| 27 | use strict;
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| 28 | no strict 'refs'; # allow filehandles to be variables and viceversa
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| 29 | no strict 'subs';
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| 30 |
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| 31 | use gsprintf 'gsprintf';
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| 32 |
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| 33 | use AutoLoadConverters;
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| 34 | use ConvertBinaryFile;
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| 35 |
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| 36 | sub BEGIN {
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| 37 | @WordPlugin::ISA = ('ConvertBinaryFile', 'AutoLoadConverters');
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| 38 | }
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| 39 |
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| 40 | my $openoffice_available = 0;
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| 41 |
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| 42 | my $arguments =
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| 43 | [ { 'name' => "process_exp",
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| 44 | 'desc' => "{BasePlugin.process_exp}",
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| 45 | 'type' => "regexp",
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| 46 | 'deft' => "&get_default_process_exp()", # delayed (see below)
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| 47 | 'reqd' => "no" },
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| 48 | { 'name' => "description_tags",
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| 49 | 'desc' => "{HTMLPlugin.description_tags}",
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| 50 | 'type' => "flag" }
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| 51 | ];
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| 52 |
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| 53 |
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| 54 | my $opt_windows_args = [ { 'name' => "windows_scripting",
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| 55 | 'desc' => "{WordPlugin.windows_scripting}",
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| 56 | 'type' => "flag",
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| 57 |
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| 58 | 'reqd' => "no" } ];
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| 59 |
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| 60 | my $opt_office_args = [ { 'name' => "metadata_fields",
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| 61 | 'desc' => "{WordPlugin.metadata_fields}",
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| 62 | 'type' => "string",
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| 63 | 'deft' => "Title" },
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| 64 | { 'name' => "level1_header",
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| 65 | 'desc' => "{StructuredHTMLPlugin.level1_header}",
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| 66 | 'type' => "regexp",
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| 67 | 'reqd' => "no",
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| 68 | 'deft' => "" },
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| 69 | { 'name' => "level2_header",
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| 70 | 'desc' => "{StructuredHTMLPlugin.level2_header}",
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| 71 | 'type' => "regexp",
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| 72 | 'reqd' => "no",
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| 73 | 'deft' => "" },
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| 74 | { 'name' => "level3_header",
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| 75 | 'desc' => "{StructuredHTMLPlugin.level3_header}",
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| 76 | 'type' => "regexp",
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| 77 | 'reqd' => "no",
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| 78 | 'deft' => "" },
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| 79 | { 'name' => "title_header",
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| 80 | 'desc' => "{StructuredHTMLPlugin.title_header}",
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| 81 | 'type' => "regexp",
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| 82 | 'reqd' => "no",
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| 83 | 'deft' => "" },
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| 84 | { 'name' => "delete_toc",
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| 85 | 'desc' => "{StructuredHTMLPlugin.delete_toc}",
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| 86 | 'type' => "flag",
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| 87 | 'reqd' => "no" },
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| 88 | { 'name' => "toc_header",
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| 89 | 'desc' => "{StructuredHTMLPlugin.toc_header}",
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| 90 | 'type' => "regexp",
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| 91 | 'reqd' => "no",
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| 92 | 'deft' => "" } ];
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| 93 |
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| 94 |
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| 95 | my $options = { 'name' => "WordPlugin",
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| 96 | 'desc' => "{WordPlugin.desc}",
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| 97 | 'abstract' => "no",
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| 98 | 'inherits' => "yes",
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| 99 | 'srcreplaceable' => "yes", # Source docs in Word can be replaced with GS-generated html
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| 100 | 'args' => $arguments };
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| 101 |
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| 102 | sub new {
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| 103 | my ($class) = shift (@_);
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| 104 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 105 | push(@$pluginlist, $class);
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| 106 |
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| 107 | # this bit needs to happen later after the arguments array has been
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| 108 | # finished - used for parsing the input args.
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| 109 | # push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 110 | # this one needs to go in first, to get the print info in the right order
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| 111 | push(@{$hashArgOptLists->{"OptList"}},$options);
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| 112 |
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| 113 | my $office_capable = 0;
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| 114 | if ($ENV{'GSDLOS'} =~ m/^windows$/i) {
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| 115 | push(@$arguments,@$opt_windows_args);
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| 116 | $office_capable = 1;
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| 117 | }
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| 118 |
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| 119 | my $auto_converter_self = new AutoLoadConverters($pluginlist,$inputargs,$hashArgOptLists,["OpenOfficeConverter"],1);
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| 120 |
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| 121 | if ($auto_converter_self->{'openoffice_available'}) {
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| 122 | $office_capable = 1;
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| 123 | $openoffice_available = 1;
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| 124 | }
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| 125 |
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| 126 | # these office args apply to windows scripting or to openoffice conversion
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| 127 | if ($office_capable) {
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| 128 | push(@$arguments,@$opt_office_args);
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| 129 | }
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| 130 |
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| 131 | # evaluate the default for process_exp - it needs to be delayed till here so we know if openoffice is available or not. But needs to be done before parsing the args.
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| 132 | foreach my $a (@$arguments) {
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| 133 | if ($a->{'name'} eq "process_exp") {
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| 134 | my $eval_expr = $a->{'deft'};
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| 135 | $a->{'deft'} = eval "$eval_expr";
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| 136 | last;
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| 137 | }
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| 138 | }
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| 139 |
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| 140 | # have finished modifying our arguments, add them to ArgList
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| 141 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 142 |
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| 143 | my $cbf_self = new ConvertBinaryFile($pluginlist, $inputargs, $hashArgOptLists);
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| 144 | my $self = BasePlugin::merge_inheritance($auto_converter_self, $cbf_self);
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| 145 |
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| 146 | if ($self->{'info_only'}) {
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| 147 | # don't worry about any options etc
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| 148 | return bless $self, $class;
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| 149 | }
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| 150 |
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| 151 | $self = bless $self, $class;
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| 152 | $self->{'file_type'} = "Word";
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| 153 |
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| 154 | my $outhandle = $self->{'outhandle'};
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| 155 |
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| 156 | if ($self->{'windows_scripting'}) {
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| 157 | $self->{'convert_options'} = "-windows_scripting";
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| 158 | $self->{'office_scripting'} = 1;
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| 159 | }
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| 160 | if ($self->{'openoffice_conversion'}) {
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| 161 | if ($self->{'windows_scripting'}) {
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| 162 | print $outhandle "Warning: Cannot have -windows_scripting and -openoffice_conversion\n";
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| 163 | print $outhandle " on at the same time. Defaulting to -windows_scripting\n";
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| 164 | $self->{'openoffice_conversion'} = 0;
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| 165 | }
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| 166 | else {
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| 167 | $self->{'office_scripting'} = 1;
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| 168 | }
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| 169 | }
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| 170 |
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| 171 | # check convert_to
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| 172 | if ($self->{'convert_to'} eq "auto") {
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| 173 | $self->{'convert_to'} = "html";
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| 174 | }
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| 175 | # windows or open office scripting, outputs structuredHTML
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| 176 | if (defined $self->{'office_scripting'}) {
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| 177 | $self->{'convert_to'} = "structuredhtml";
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| 178 | }
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| 179 |
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| 180 | # set convert_to_plugin and convert_to_ext
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| 181 | $self->set_standard_convert_settings();
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| 182 |
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| 183 | my $secondary_plugin_name = $self->{'convert_to_plugin'};
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| 184 | my $secondary_plugin_options = $self->{'secondary_plugin_options'};
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| 185 |
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| 186 | if (!defined $secondary_plugin_options->{$secondary_plugin_name}) {
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| 187 | $secondary_plugin_options->{$secondary_plugin_name} = [];
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| 188 | }
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| 189 | my $specific_options = $secondary_plugin_options->{$secondary_plugin_name};
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| 190 |
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| 191 | # following title_sub removes "Page 1" and a leading
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| 192 | # "1", which is often the page number at the top of the page. Bad Luck
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| 193 | # if your document title actually starts with "1 " - is there a better way?
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| 194 | push(@$specific_options , "-title_sub", '^(Page\s+\d+)?(\s*1\s+)?');
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| 195 |
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| 196 | my $associate_tail_re = $self->{'associate_tail_re'};
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| 197 | if ((defined $associate_tail_re) && ($associate_tail_re ne "")) {
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| 198 | push(@$specific_options, "-associate_tail_re", $associate_tail_re);
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| 199 | }
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| 200 | push(@$specific_options, "-file_rename_method", "none");
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| 201 |
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| 202 | if ($secondary_plugin_name eq "StructuredHTMLPlugin") {
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| 203 | # Instruct HTMLPlugin (when eventually accessed through read_into_doc_obj)
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| 204 | # to extract these metadata fields from the HEAD META fields
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| 205 | push (@$specific_options, "-metadata_fields","Title,GENERATOR,date,author<Creator>");
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| 206 | push (@$specific_options, "-description_tags") if $self->{'office_scripting'};
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| 207 | push (@$specific_options, "-extract_language") if $self->{'extract_language'};
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| 208 | push (@$specific_options, "-delete_toc") if $self->{'delete_toc'};
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| 209 | push (@$specific_options, "-toc_header", $self->{'toc_header'}) if $self->{'toc_header'};
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| 210 | push (@$specific_options, "-title_header", $self->{'title_header'}) if $self->{'title_header'};
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| 211 | push (@$specific_options, "-level1_header", $self->{'level1_header'}) if $self->{'level1_header'};
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| 212 | push (@$specific_options, "-level2_header", $self->{'level2_header'})if $self->{'level2_header'};
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| 213 | push (@$specific_options, "-level3_header", $self->{'level3_header'}) if $self->{'level3_header'};
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| 214 | push (@$specific_options, "-metadata_fields", $self->{'metadata_fields'}) if $self->{'metadata_fields'};
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| 215 | push (@$specific_options, "-metadata_field_separator", $self->{'metadata_field_separator'}) if $self->{'metadata_field_separator'};
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| 216 | push(@$specific_options, "-processing_tmp_files");
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| 217 |
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| 218 | }
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| 219 |
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| 220 | elsif ($secondary_plugin_name eq "HTMLPlugin") {
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| 221 | push(@$specific_options, "-processing_tmp_files");
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| 222 | push(@$specific_options,"-input_encoding", "utf8");
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| 223 | push(@$specific_options,"-extract_language") if $self->{'extract_language'};
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| 224 | push(@$specific_options, "-description_tags") if $self->{'description_tags'};
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| 225 | # Instruct HTMLPlugin (when eventually accessed through read_into_doc_obj)
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| 226 | # to extract these metadata fields from the HEAD META fields
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| 227 | push(@$specific_options,"-metadata_fields","Title,GENERATOR,date,author<Creator>");
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| 228 | }
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| 229 |
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| 230 | $self->load_secondary_plugins($class,$secondary_plugin_options,$hashArgOptLists);
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| 231 |
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| 232 | return $self;
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| 233 | }
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| 234 |
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| 235 | sub get_default_process_exp {
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| 236 | my $self = shift (@_);
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| 237 |
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| 238 | if ($openoffice_available) {
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| 239 | return q^(?i)\.(doc|dot|docx|odt|wpd)$^;
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| 240 | }
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| 241 | return q^(?i)\.(doc|dot)$^;
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| 242 | }
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| 243 |
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| 244 | sub init {
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| 245 | my $self = shift (@_);
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| 246 |
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| 247 | # ConvertBinaryFile init
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| 248 | $self->SUPER::init(@_);
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| 249 | $self->AutoLoadConverters::init();
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| 250 |
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| 251 | }
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| 252 |
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| 253 | sub begin {
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| 254 | my $self = shift (@_);
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| 255 |
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| 256 | $self->AutoLoadConverters::begin();
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| 257 | $self->SUPER::begin(@_);
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| 258 |
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| 259 | }
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| 260 |
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| 261 | sub deinit {
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| 262 | my $self = shift (@_);
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| 263 |
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| 264 | $self->AutoLoadConverters::deinit();
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| 265 | $self->SUPER::deinit(@_);
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| 266 |
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| 267 | }
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| 268 |
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| 269 | sub tmp_area_convert_file {
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| 270 |
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| 271 | my $self = shift (@_);
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| 272 | return $self->AutoLoadConverters::tmp_area_convert_file(@_);
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| 273 |
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| 274 | }
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| 275 |
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| 276 |
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| 277 | sub convert_post_process_old
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| 278 | {
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| 279 | my $self = shift (@_);
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| 280 | my ($conv_filename) = @_;
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| 281 |
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| 282 | my $outhandle=$self->{'outhandle'};
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| 283 |
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| 284 | my ($language, $encoding) = $self->textcat_get_language_encoding ($conv_filename);
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| 285 |
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| 286 | # read in file ($text will be in utf8)
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| 287 | my $text = "";
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| 288 | $self->read_file ($conv_filename, $encoding, $language, \$text);
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| 289 |
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| 290 | # turn any high bytes that aren't valid utf-8 into utf-8.
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| 291 | #unicode::ensure_utf8(\$text);
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| 292 |
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| 293 | # Write it out again!
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| 294 | #$self->utf8_write_file (\$text, $conv_filename);
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| 295 | }
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| 296 |
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| 297 | # Modified to cache HTML files for efficieny reasons rather
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| 298 | # than delete all. HTML is modified not to use IE's VML.
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| 299 | # VML uses WML files, so these can be deleted.
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| 300 | sub cleanup_tmp_area {
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| 301 | my ($self) = @_;
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| 302 | if (defined $self->{'files_dir'}) {
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| 303 | my $html_files_dir = $self->{'files_dir'};
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| 304 |
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| 305 | if (opendir(DIN,$html_files_dir)) {
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| 306 | my @wmz_files = grep( /\.wmz$/, readdir(DIN));
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| 307 | foreach my $f (@wmz_files) {
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| 308 | my $full_f = &util::filename_cat($html_files_dir,$f);
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| 309 | &util::rm($full_f);
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| 310 | }
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| 311 | closedir(DIN);
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| 312 | }
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| 313 | else {
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| 314 | # if HTML file has no supporting images, then no _files dir made
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| 315 | # => do nothing
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| 316 | }
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| 317 | }
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| 318 | }
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| 319 |
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| 320 |
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| 321 | 1;
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| 322 |
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