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 ConvertBinaryFile;
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28 | use strict;
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29 | no strict 'refs'; # allow filehandles to be variables and viceversa
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30 |
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31 | sub BEGIN {
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32 | @WordPlugin::ISA = ('ConvertBinaryFile');
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33 | }
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34 |
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35 | my $arguments =
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36 | [ { 'name' => "process_exp",
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37 | 'desc' => "{BasePlugin.process_exp}",
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38 | 'type' => "regexp",
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39 | 'deft' => &get_default_process_exp(),
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40 | 'reqd' => "no" },
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41 | { 'name' => "description_tags",
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42 | 'desc' => "{HTMLPlugin.description_tags}",
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43 | 'type' => "flag" }
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44 | ];
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45 |
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46 | my $options = { 'name' => "WordPlugin",
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47 | 'desc' => "{WordPlugin.desc}",
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48 | 'abstract' => "no",
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49 | 'inherits' => "yes",
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50 | 'srcreplaceable' => "yes", # Source docs in Word can be replaced with GS-generated html
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51 | 'args' => $arguments };
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52 |
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53 | sub new {
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54 | my ($class) = shift (@_);
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55 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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56 | push(@$pluginlist, $class);
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57 |
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58 | if ($ENV{'GSDLOS'} =~ m/^windows$/i) {
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59 | my $ws_arg = [ { 'name' => "windows_scripting",
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60 | 'desc' => "{WordPlugin.windows_scripting}",
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61 | 'type' => "flag",
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62 | 'reqd' => "no" },
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63 | { 'name' => "metadata_fields",
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64 | 'desc' => "{WordPlugin.metadata_fields}",
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65 | 'type' => "string",
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66 | 'deft' => "Title" },
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67 | { 'name' => "level1_header",
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68 | 'desc' => "{StructuredHTMLPlugin.level1_header}",
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69 | 'type' => "regexp",
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70 | 'reqd' => "no",
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71 | 'deft' => "" },
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72 | { 'name' => "level2_header",
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73 | 'desc' => "{StructuredHTMLPlugin.level2_header}",
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74 | 'type' => "regexp",
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75 | 'reqd' => "no",
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76 | 'deft' => "" },
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77 | { 'name' => "level3_header",
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78 | 'desc' => "{StructuredHTMLPlugin.level3_header}",
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79 | 'type' => "regexp",
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80 | 'reqd' => "no",
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81 | 'deft' => "" },
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82 | { 'name' => "title_header",
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83 | 'desc' => "{StructuredHTMLPlugin.title_header}",
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84 | 'type' => "regexp",
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85 | 'reqd' => "no",
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86 | 'deft' => "" },
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87 | { 'name' => "delete_toc",
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88 | 'desc' => "{StructuredHTMLPlugin.delete_toc}",
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89 | 'type' => "flag",
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90 | 'reqd' => "no" },
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91 | { 'name' => "toc_header",
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92 | 'desc' => "{StructuredHTMLPlugin.toc_header}",
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93 | 'type' => "regexp",
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94 | 'reqd' => "no",
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95 | 'deft' => "" }
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96 | ];
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97 |
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98 | push(@$arguments,@$ws_arg);
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99 | }
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100 |
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101 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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102 | push(@{$hashArgOptLists->{"OptList"}},$options);
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103 |
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104 | my $self = new ConvertBinaryFile($pluginlist, $inputargs, $hashArgOptLists);
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105 |
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106 | if ($self->{'info_only'}) {
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107 | # don't worry about any options etc
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108 | return bless $self, $class;
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109 | }
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110 |
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111 | $self->{'filename_extension'} = "doc";
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112 | $self->{'file_type'} = "Word";
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113 |
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114 | #this is passed through to gsConvert.pl by ConvertBinaryFile.pm
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115 | $self->{'convert_options'} = "-windows_scripting" if $self->{'windows_scripting'};
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116 |
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117 | # we always save as utf-8
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118 | # if ($self->{'input_encoding'} eq "auto") {
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119 | # $self->{'input_encoding'} = "utf8";
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120 | # }
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121 |
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122 | my $secondary_plugin_options = $self->{'secondary_plugin_options'};
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123 | if (defined $self->{'windows_scripting'}) {
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124 | if (!defined $secondary_plugin_options->{'StructuredHTMLPlugin'}){
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125 | $secondary_plugin_options->{'StructuredHTMLPlugin'} = [];
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126 | my $structhtml_options = $secondary_plugin_options->{'StructuredHTMLPlugin'};
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127 |
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128 | # Instruct HTMLPlugin (when eventually accessed through read_into_doc_obj)
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129 | # to extract these metadata fields from the HEAD META fields
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130 | push (@$structhtml_options, "-metadata_fields","Title,GENERATOR,date,author<Creator>");
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131 | push (@$structhtml_options, "-title_sub", '^(Page\s+\d+)?(\s*1\s+)?');
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132 | push (@$structhtml_options, "-description_tags") if $self->{'windows_scripting'};
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133 | push (@$structhtml_options, "-extract_language") if $self->{'extract_language'};
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134 | push (@$structhtml_options, "-delete_toc") if $self->{'delete_toc'};
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135 | push (@$structhtml_options, "-toc_header", $self->{'toc_header'}) if $self->{'toc_header'};
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136 | push (@$structhtml_options, "-title_header", $self->{'title_header'}) if $self->{'title_header'};
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137 | push (@$structhtml_options, "-level1_header", $self->{'level1_header'}) if $self->{'level1_header'};
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138 | push (@$structhtml_options, "-level2_header", $self->{'level2_header'})if $self->{'level2_header'};
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139 | push (@$structhtml_options, "-level3_header", $self->{'level3_header'}) if $self->{'level3_header'};
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140 | push (@$structhtml_options, "-metadata_fields", $self->{'metadata_fields'}) if $self->{'metadata_fields'};
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141 | }
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142 | }
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143 | if (!defined $secondary_plugin_options->{'HTMLPlugin'}) {
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144 | $secondary_plugin_options->{'HTMLPlugin'} = [];
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145 | }
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146 | if (!defined $secondary_plugin_options->{'TextPlugin'}) {
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147 | $secondary_plugin_options->{'TextPlugin'} = [];
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148 | }
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149 |
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150 | my $html_options = $secondary_plugin_options->{'HTMLPlugin'};
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151 | my $text_options = $secondary_plugin_options->{'TextPlugin'};
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152 | my $structhtml_options = $secondary_plugin_options->{'StructuredHTMLPlugin'};
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153 | # wvWare will always produce html files encoded as utf-8, so make sure the secondary HTMLPlugin knows this
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154 | push(@$html_options,"-input_encoding", "utf8");
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155 | push(@$html_options,"-extract_language") if $self->{'extract_language'};
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156 | push(@$html_options, "-description_tags") if $self->{'description_tags'};
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157 |
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158 | # Instruct HTMLPlugin (when eventually accessed through read_into_doc_obj)
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159 | # to extract these metadata fields from the HEAD META fields
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160 | push(@$html_options,"-metadata_fields","Title,GENERATOR,date,author<Creator>");
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161 | push(@$html_options , "-title_sub", '^(Page\s+\d+)?(\s*1\s+)?');
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162 |
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163 | my $associate_tail_re = $self->{'associate_tail_re'};
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164 | if ((defined $associate_tail_re) && ($associate_tail_re ne "")) {
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165 | push(@$html_options, "-associate_tail_re", $associate_tail_re);
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166 | push(@$text_options, "-associate_tail_re", $associate_tail_re);
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167 | push(@$structhtml_options, "-associate_tail_re", $associate_tail_re) if defined $structhtml_options;
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168 | }
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169 |
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170 | push(@$html_options, "-file_rename_method", "none");
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171 | push(@$text_options, "-file_rename_method", "none");
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172 | push(@$structhtml_options, "-file_rename_method", "none") if defined $structhtml_options;
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173 |
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174 | $self = bless $self, $class;
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175 | $self->load_secondary_plugins($class,$secondary_plugin_options,$hashArgOptLists);
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176 |
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177 | return bless $self;
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178 | }
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179 |
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180 | sub get_default_process_exp {
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181 | my $self = shift (@_);
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182 |
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183 | return q^(?i)\.(doc|dot)$^;
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184 | }
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185 |
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186 | sub convert_post_process_old
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187 | {
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188 | my $self = shift (@_);
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189 | my ($conv_filename) = @_;
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190 |
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191 | my $outhandle=$self->{'outhandle'};
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192 |
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193 | my ($language, $encoding) = $self->textcat_get_language_encoding ($conv_filename);
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194 |
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195 | # read in file ($text will be in utf8)
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196 | my $text = "";
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197 | $self->read_file ($conv_filename, $encoding, $language, \$text);
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198 |
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199 | # turn any high bytes that aren't valid utf-8 into utf-8.
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200 | #unicode::ensure_utf8(\$text);
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201 |
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202 | # Write it out again!
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203 | #$self->utf8_write_file (\$text, $conv_filename);
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204 | }
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205 |
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206 | # Modified to cache HTML files for efficieny reasons rather
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207 | # than delete all. HTML is modified not to use IE's VML.
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208 | # VML uses WML files, so these can be deleted.
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209 | sub cleanup_tmp_area {
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210 | my ($self) = @_;
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211 | if (defined $self->{'files_dir'}) {
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212 | my $html_files_dir = $self->{'files_dir'};
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213 |
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214 | if (opendir(DIN,$html_files_dir)) {
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215 | my @wmz_files = grep( /\.wmz$/, readdir(DIN));
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216 | foreach my $f (@wmz_files) {
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217 | my $full_f = &util::filename_cat($html_files_dir,$f);
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218 | &util::rm($full_f);
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219 | }
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220 | closedir(DIN);
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221 | }
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222 | else {
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223 | # if HTML file has no supporting images, then no _files dir made
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224 | # => do nothing
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225 | }
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226 | }
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227 | }
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228 |
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229 |
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230 | 1;
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231 |
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