1 | ###########################################################################
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2 | #
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3 | # OpenOfficePlugin.pm -- for processing standalone images
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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 |
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26 | package OpenOfficePlugin;
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27 |
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28 | use ConvertBinaryFile;
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29 | use OpenOfficeConverter;
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30 |
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31 | use strict;
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32 | no strict 'refs'; # allow filehandles to be variables and viceversa
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33 | no strict 'subs';
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34 |
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35 | use gsprintf 'gsprintf';
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36 |
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37 | sub BEGIN {
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38 | @OpenOfficePlugin::ISA = ('ConvertBinaryFile', 'OpenOfficeConverter');
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39 | }
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40 |
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41 | my $word_pe = "doc|dot|docx|odt|wpd";
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42 | my $rtf_pe = "rtf";
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43 | my $ppt_pe = "ppt|pptx|odp";
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44 | my $xls_pe = "xls|xlsx|ods";
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45 |
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46 | my $arguments =
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47 | [ { 'name' => "process_exp",
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48 | 'desc' => "{BasePlugin.process_exp}",
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49 | 'type' => "regexp",
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50 | 'deft' => &get_default_process_exp(),
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51 | 'reqd' => "no" },
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52 | ];
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53 |
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54 | # This is not quite fully functional, eg doesn't do proper PowerPoint processing. So I have made it hidden in gli for now.
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55 | my $options = { 'name' => "OpenOfficePlugin",
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56 | 'desc' => "{OpenOfficePlugin.desc}",
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57 | 'abstract' => "no",
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58 | 'inherits' => "yes",
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59 | 'hiddengli' => "yes",
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60 | 'args' => $arguments };
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61 |
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62 |
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63 | sub new {
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64 | my ($class) = shift (@_);
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65 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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66 | push(@$pluginlist, $class);
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67 |
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68 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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69 | push(@{$hashArgOptLists->{"OptList"}},$options);
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70 |
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71 |
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72 | my $ooc_self = new OpenOfficeConverter($pluginlist, $inputargs, $hashArgOptLists);
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73 | my $cbf_self = new ConvertBinaryFile($pluginlist, $inputargs, $hashArgOptLists);
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74 |
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75 | my $self = BasePlugin::merge_inheritance($ooc_self, $cbf_self);
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76 |
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77 | if ($self->{'info_only'}) {
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78 | # don't worry about any options etc
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79 | return bless $self, $class;
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80 | }
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81 | if ($OpenOfficeConverter::openoffice_conversion_available) {
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82 | $self->{'openoffice_ext_working'} = 1;
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83 | }
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84 | else {
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85 | $self->{'openoffice_ext_working'} = 0;
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86 | }
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87 | $self->{'convert_to'} = "structuredhtml";
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88 |
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89 | $self = bless $self, $class;
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90 |
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91 | # set convert_to_plugin and convert_to_ext
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92 | $self->set_standard_convert_settings();
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93 |
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94 | # set up appropriate secondary plugin options here!!!
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95 | my $secondary_plugin_name = $self->{'convert_to_plugin'};
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96 | my $secondary_plugin_options = $self->{'secondary_plugin_options'};
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97 |
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98 | if (!defined $secondary_plugin_options->{$secondary_plugin_name}) {
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99 | $secondary_plugin_options->{$secondary_plugin_name} = [];
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100 | }
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101 | my $specific_options = $secondary_plugin_options->{$secondary_plugin_name};
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102 |
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103 | $self->load_secondary_plugins($class,$secondary_plugin_options,$hashArgOptLists);
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104 |
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105 | return $self;
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106 | }
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107 |
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108 | sub init {
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109 | my $self = shift (@_);
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110 | my ($verbosity, $outhandle, $failhandle) = @_;
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111 |
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112 | $self->SUPER::init(@_);
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113 | $self->OpenOfficeConverter::init();
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114 | }
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115 |
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116 | sub begin {
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117 | my $self = shift (@_);
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118 | my ($pluginfo, $base_dir, $processor, $maxdocs) = @_;
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119 |
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120 | $self->SUPER::begin(@_);
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121 | $self->OpenOfficeConverter::begin(@_);
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122 | }
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123 |
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124 |
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125 | sub get_default_process_exp {
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126 | my $self = shift (@_);
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127 |
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128 | return "(?i)\.($word_pe|$ppt_pe|$rtf_pe|$xls_pe)\$";
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129 | }
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130 |
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131 |
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132 | sub read_into_doc_obj {
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133 | my $self = shift (@_);
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134 | my ($pluginfo, $base_dir, $file, $block_hash, $metadata, $processor, $maxdocs, $total_count, $gli) = @_;
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135 |
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136 | if (!$self->{'openoffice_ext_working'}) {
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137 | # use BasePlugin version to set up the doc obj, then we will do a little bit more in process
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138 | return $self->BasePlugin::read_into_doc_obj(@_);
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139 | }
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140 | # use convertbinaryfile version, will call tmp_area_convert_file and use
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141 | # secondary plugins
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142 | return $self->ConvertBinaryFile::read_into_doc_obj(@_);
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143 |
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144 | }
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145 |
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146 | # override this to use our own convert method
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147 | sub tmp_area_convert_file {
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148 | my $self = shift (@_);
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149 | my ($output_ext, $input_filename, $textref) = @_;
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150 |
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151 | my ($result, $result_str, $new_filename) = $self->OpenOfficeConverter::convert($input_filename, $output_ext);
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152 | if ($result != 0) {
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153 | return $new_filename;
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154 | }
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155 | my $outhandle=$self->{'outhandle'};
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156 | print $outhandle "Open Office Conversion error\n";
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157 | print $outhandle $result_str;
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158 | return "";
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159 | }
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160 |
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161 | # first return value is used in _iconxx_ to give a srcicon,
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162 | # second return value is used for FileFormat metadata
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163 | sub get_file_type_from_extension {
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164 | my $self = shift (@_);
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165 | my ($file) = @_;
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166 |
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167 | #check against the various bit of process_exp
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168 | if ($file =~ /$word_pe/) {
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169 | return ("doc", "Word");
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170 | }
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171 | if ($file =~ /$ppt_pe/) {
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172 | return ("ppt", "PPT");
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173 | }
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174 | if ($file =~ /$xls_pe/) {
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175 | return ("xls", "Excel");
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176 | }
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177 | if ($file =~ /$rtf_pe/) {
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178 | return ("rtf", "RTF");
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179 | }
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180 |
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181 | return ("unknown", "Unknown");
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182 | }
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183 |
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184 |
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185 | sub process {
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186 | my $self = shift (@_);
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187 | my ($pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli) = @_;
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188 |
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189 | my $cursection = $doc_obj->get_top_section();
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190 |
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191 | # store original file as associated file
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192 | my $filename = &util::filename_cat($base_dir, $file);
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193 | my $assocfilename = $doc_obj->get_assocfile_from_sourcefile();
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194 | $doc_obj->associate_file($filename, $assocfilename, undef, $cursection);
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195 |
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196 | my ($ext, $format) = $self->get_file_type_from_extension($file);
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197 | # overwrite the one set by secondary plugin
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198 | $doc_obj->set_utf8_metadata_element($cursection, "FileFormat", $format);
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199 |
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200 | $doc_obj->add_utf8_metadata ($cursection, "srclink_file", "[SourceFile]");
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201 | $doc_obj->add_utf8_metadata ($cursection, "srcicon", "_icon".$ext."_");
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202 | # if oo conversion not available, we have no text, so add some
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203 | if (!$self->{'openoffice_ext_working'}) {
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204 | if ($gli) {
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205 | &gsprintf(STDERR, "<Warning p='openOfficePlugin' r='{OpenOfficeConverter.noconversionavailable}: {OpenOfficeConverter.".$self->{'no_openoffice_conversion_reason'}."}'>");
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206 | }
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207 | print STDERR "OpenOfficePlugin: no conversion available, just adding $file as is\n";
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208 | #we have no text - adds dummy text and NoText metadata
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209 | $self->add_dummy_text($doc_obj, $doc_obj->get_top_section());
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210 |
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211 | }
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212 | }
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213 |
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214 | sub process_old {
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215 | my $self = shift (@_);
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216 | my ($pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli) = @_;
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217 | # old from here
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218 | # need to check that not empty
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219 | my $doc_ext = $self->{'filename_extension'};
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220 | my $file_type = "unknown";
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221 | $file_type = $self->{'file_type'} if defined $self->{'file_type'};
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222 |
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223 | # associate original file with doc object
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224 | my $cursection = $doc_obj->get_top_section();
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225 | my $filename = &util::filename_cat($base_dir, $file);
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226 | my $assocfilename = "doc.$doc_ext";
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227 | if ($self->{'keep_original_filename'} == 1) {
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228 | # this should be the same filename that was used for the Source and SourceFile metadata,
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229 | # as we will use [SourceFile] in the srclink
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230 | $assocfilename = $doc_obj->get_assocfile_from_sourcefile();
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231 | }
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232 | $doc_obj->associate_file($filename, $assocfilename, undef, $cursection);
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233 |
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234 | # We use set instead of add here because we only want one value
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235 | $doc_obj->set_utf8_metadata_element($cursection, "FileFormat", $file_type);
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236 | my $srclink_filename = "doc.$doc_ext";
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237 | #my $doclink = "<a href=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/doc.$doc_ext\">";
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238 | if ($self->{'keep_original_filename'} == 1) {
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239 | $srclink_filename = "[SourceFile]";
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240 | #$doclink = "<a href=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[SourceFile]\">";
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241 | }
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242 | #$doc_obj->add_utf8_metadata ($cursection, "srclink", $doclink);
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243 | $doc_obj->add_utf8_metadata ($cursection, "srcicon", "_icon".$doc_ext."_");
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244 | #$doc_obj->add_utf8_metadata ($cursection, "/srclink", "</a>");
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245 | $doc_obj->add_utf8_metadata ($cursection, "srclink_file", $srclink_filename);
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246 | return 1;
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247 |
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248 | }
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