[3737] | 1 | ###########################################################################
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| 2 | #
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[15872] | 3 | # ConvertToRogPlugin.pm -- plugin that inherits from RogPlugin
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[3737] | 4 | #
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| 5 | # A component of the Greenstone digital library software
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| 6 | # from the New Zealand Digital Library Project at the
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| 7 | # University of Waikato, New Zealand.
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| 8 | #
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| 9 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 10 | #
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| 11 | # This program is free software; you can redistribute it and/or modify
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| 12 | # it under the terms of the GNU General Public License as published by
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| 13 | # the Free Software Foundation; either version 2 of the License, or
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| 14 | # (at your option) any later version.
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| 15 | #
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| 16 | # This program is distributed in the hope that it will be useful,
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| 17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | # GNU General Public License for more details.
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| 20 | #
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| 21 | # You should have received a copy of the GNU General Public License
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| 22 | # along with this program; if not, write to the Free Software
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| 23 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 24 | #
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| 25 | ###########################################################################
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| 26 |
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| 27 |
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[15872] | 28 | package ConvertToRogPlugin;
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[3737] | 29 |
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[15872] | 30 | use RogPlugin;
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[10254] | 31 | use strict;
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| 32 | no strict 'refs'; # allow filehandles to be variables and viceversa
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[3737] | 33 |
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| 34 | sub BEGIN {
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[15872] | 35 | @ConvertToRogPlugin::ISA = ('RogPlugin');
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[3737] | 36 | }
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| 37 |
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[10254] | 38 | my $arguments = [
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| 39 | ];
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[15872] | 40 | my $options = { 'name' => "ConvertToRogPlugin",
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| 41 | 'desc' => "{ConvertToRogPlugin.desc}",
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[7243] | 42 | 'abstract' => "yes",
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[6408] | 43 | 'inherits' => "yes" };
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[4744] | 44 |
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[3737] | 45 | sub new {
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[10218] | 46 | my ($class) = shift (@_);
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| 47 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 48 | push(@$pluginlist, $class);
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[3737] | 49 |
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[15872] | 50 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 51 | push(@{$hashArgOptLists->{"OptList"}},$options);
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[10218] | 52 |
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[15872] | 53 | my $self = new RogPlugin($pluginlist, $inputargs, $hashArgOptLists);
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[10218] | 54 |
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[3737] | 55 | $self->{'convert_to'} = "Rog";
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| 56 | $self->{'convert_to_ext'} = "rog";
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[4744] | 57 |
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[3737] | 58 | return bless $self, $class;
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| 59 | }
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| 60 |
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| 61 |
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| 62 | sub begin {
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| 63 | my $self = shift (@_);
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| 64 |
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| 65 | $self->SUPER::begin(@_);
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| 66 |
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| 67 | $self->{'docnum'} = 0;
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| 68 | }
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| 69 |
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| 70 | sub end {
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| 71 | my ($self) = @_;
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| 72 |
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| 73 | # nothing to do, but keep symmetric with begin function
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| 74 | $self->SUPER::end(@_);
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| 75 | }
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| 76 |
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| 77 |
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| 78 | # Run conversion utility on the input file.
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| 79 | #
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| 80 | # The conversion takes place in a collection specific 'tmp' directory so
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| 81 | # that we don't accidentally damage the input.
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| 82 | #
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| 83 | # The desired output type is indicated by $output_ext. This is usually
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| 84 | # something like "html" or "word", but can be "best" (or the empty string)
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| 85 | # to indicate that the conversion utility should do the best it can.
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| 86 |
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| 87 | sub tmp_area_convert_file {
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| 88 | my $self = shift (@_);
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| 89 | my ($output_ext, $input_filename, $textref) = @_;
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| 90 |
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| 91 | my $outhandle = $self->{'outhandle'};
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| 92 | my $convert_to = $self->{'convert_to'};
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| 93 | my $failhandle = $self->{'failhandle'};
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| 94 |
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| 95 | # softlink to collection tmp dir
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| 96 | my $tmp_dirname
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| 97 | = &util::filename_cat($ENV{'GSDLCOLLECTDIR'}, "tmp");
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| 98 | &util::mk_dir($tmp_dirname) if (!-e $tmp_dirname);
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| 99 |
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| 100 | # derive tmp filename from input filename
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| 101 | my ($tailname, $dirname, $suffix)
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| 102 | = &File::Basename::fileparse($input_filename, "\\.[^\\.]+\$");
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| 103 |
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| 104 | # Remove any white space from filename -- no risk of name collision, and
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| 105 | # makes later conversion by utils simpler. Leave spaces in path...
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[16580] | 106 | $tailname =~ s/\s+//g;
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| 107 | $tailname = $self->SUPER::filepath_to_utf8($tailname) unless &unicode::check_is_utf8($tailname);
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[3737] | 108 |
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| 109 | my $tmp_filename = &util::filename_cat($tmp_dirname, "$tailname$suffix");
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| 110 |
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| 111 | &util::soft_link($input_filename, $tmp_filename);
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| 112 |
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| 113 | my $verbosity = $self->{'verbosity'};
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| 114 | if ($verbosity > 0) {
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| 115 | print $outhandle "Converting $tailname$suffix to $convert_to format\n";
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| 116 | }
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| 117 |
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| 118 | my $errlog = &util::filename_cat($tmp_dirname, "err.log");
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| 119 |
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| 120 | # Execute the conversion command and get the type of the result,
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| 121 | # making sure the converter gives us the appropriate output type
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| 122 | my $output_type = lc($convert_to);
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| 123 | my $cmd = "perl -S gsMusicConvert.pl -verbose $verbosity -errlog \"$errlog\" -output $output_type \"$tmp_filename\"";
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| 124 | $output_type = `$cmd`;
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| 125 |
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| 126 | # remove symbolic link to original file
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| 127 | &util::rm($tmp_filename);
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| 128 |
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| 129 | # Check STDERR here
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| 130 | chomp $output_type;
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| 131 | if ($output_type eq "fail") {
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| 132 | print $outhandle "Could not convert $tailname$suffix to $convert_to format\n";
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| 133 | print $failhandle "$tailname$suffix: " . ref($self) . " failed to convert to $convert_to\n";
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| 134 | $self->{'num_not_processed'} ++;
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| 135 | if (-s "$errlog") {
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| 136 | open(ERRLOG, "$errlog");
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| 137 | while (<ERRLOG>) {
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| 138 | print $outhandle "$_";
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| 139 | }
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| 140 | print $outhandle "\n";
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| 141 | close ERRLOG;
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| 142 | }
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| 143 | &util::rm("$errlog") if (-e "$errlog");
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| 144 | return "";
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| 145 | }
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| 146 |
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| 147 | # store the *actual* output type and return the output filename
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| 148 | # it's possible we requested conversion to html, but only to text succeeded
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| 149 |
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| 150 | $self->{'convert_to_ext'} = $output_type;
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| 151 | $self->{'converted_to'} = "Rog";
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| 152 |
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| 153 | my $output_filename = $tmp_filename;
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| 154 |
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| 155 | $output_filename =~ s/$suffix$//;
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| 156 |
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| 157 | return $output_filename;
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| 158 | }
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| 159 |
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| 160 |
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| 161 | # Remove collection specific tmp directory and all its contents.
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| 162 |
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| 163 | sub cleanup_tmp_area {
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| 164 | my $self = shift (@_);
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| 165 |
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| 166 | my $tmp_dirname
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| 167 | = &util::filename_cat($ENV{'GSDLCOLLECTDIR'}, "tmp");
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| 168 | &util::rm_r($tmp_dirname);
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| 169 | &util::mk_dir($tmp_dirname);
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| 170 | }
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| 171 |
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| 172 |
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[15872] | 173 | # Exact copy of read_rog_record from RogPlugin
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[3737] | 174 | # Needed for FILE in right scope
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| 175 |
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| 176 | sub read_rog_record
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| 177 | {
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| 178 | my ($self,$file_buffer, $docnum, $seclevel) = @_;
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| 179 |
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| 180 | my $next_line = $file_buffer->{'next_line'};
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| 181 |
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| 182 | return 0 if (!defined $next_line);
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| 183 |
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| 184 | if ($next_line eq "")
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| 185 | {
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| 186 | my $line;
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| 187 | while(defined($line=<FILE>))
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| 188 | {
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| 189 | $line =~ s/\r$//;
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| 190 | $file_buffer->{'line_no'}++;
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| 191 | next if ($line =~ m/^\#/);
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| 192 | $next_line = $line;
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| 193 | last;
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| 194 | }
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| 195 | }
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| 196 |
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| 197 | if ($next_line !~ m/^song( +)\"([^\"]*)\"( +)\"([^\"]*)\"( +)(\d+)( *)$/)
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| 198 | {
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| 199 | print STDERR "Error: Malformed Rog file: $next_line";
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| 200 | return 0;
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| 201 | }
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| 202 | else
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| 203 | {
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| 204 | # init default values
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| 205 | $file_buffer->{'song'}->{'tempo'} = 120;
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| 206 | $file_buffer->{'song'}->{'ks_type'} = 0;
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| 207 | $file_buffer->{'song'}->{'ks_num'} = 0;
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| 208 | $file_buffer->{'song'}->{'metadata'} = [];
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| 209 | $file_buffer->{'song'}->{'content'} = "";
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| 210 |
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| 211 | $file_buffer->{'song'}->{'subcol'} = $2;
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| 212 | $file_buffer->{'song'}->{'title'} = $4;
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| 213 | $file_buffer->{'song'}->{'tval'} = $6;
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| 214 |
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| 215 | chomp($next_line);
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| 216 | my $content = $next_line;
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| 217 | if (defined $docnum)
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| 218 | {
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| 219 | $content.= " $docnum $seclevel";
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| 220 | }
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| 221 | $content .= "\n";
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| 222 |
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| 223 | $file_buffer->{'song'}->{'content'} = $content;
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| 224 |
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| 225 |
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| 226 | my $line;
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| 227 | while(defined($line=<FILE>))
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| 228 | {
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| 229 | $line =~ s/\r$//;
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| 230 |
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| 231 | $file_buffer->{'line_no'}++;
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| 232 | next if ($line =~ m/^\#/);
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| 233 |
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| 234 | if ($line =~ m/^song/)
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| 235 | {
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| 236 | $file_buffer->{'next_line'} = $line;
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| 237 | return 1;
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| 238 | }
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| 239 | elsif ($line =~ m/^tempo( +)(\d+)( *)$/)
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| 240 | {
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| 241 | $file_buffer->{'song'}->{'tempo'} = $2;
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| 242 | $file_buffer->{'song'}->{'content'} .= $line;
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| 243 | }
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| 244 | elsif ($line =~ m/^keysig( +)(\d+)( +)(\d+)( *)$/)
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| 245 | {
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| 246 | $file_buffer->{'song'}->{'ks_type'} = $2;
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| 247 | $file_buffer->{'song'}->{'ks_num'} = $4;
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| 248 | $file_buffer->{'song'}->{'content'} .= $line;
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| 249 | }
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| 250 | elsif ($line =~ m/^timesig( +)(\d+)( +)(\d+)( *)$/)
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| 251 | {
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| 252 | $file_buffer->{'song'}->{'ts_numer'} = $2;
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| 253 | $file_buffer->{'song'}->{'ts_denom'} = $4;
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| 254 | $file_buffer->{'song'}->{'content'} .= $line;
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| 255 | }
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| 256 | elsif ($line =~ m/^metadata ([^:]*): (.*)/)
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| 257 | {
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| 258 | push(@{$file_buffer->{'song'}->{'metadata'}},[$1,$2]);
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| 259 | $file_buffer->{'song'}->{'content'} .= $line;
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| 260 | }
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| 261 | else
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| 262 | {
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| 263 | $file_buffer->{'song'}->{'content'} .= $line;
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| 264 | }
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| 265 | }
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| 266 |
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| 267 | $file_buffer->{'next_line'} = undef;
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| 268 | }
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| 269 |
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| 270 | return 1;
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| 271 | }
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| 272 |
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[15872] | 273 | # Override RogPlugin function so rog files are stored as sections (not docs)
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[3737] | 274 |
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| 275 | sub process_rog_record
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| 276 | {
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| 277 | my ($self,$doc_obj,$cursection,$song) = @_;
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| 278 |
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| 279 | $cursection =
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| 280 | $doc_obj->insert_section($cursection);
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| 281 | $self->{'docnum'}++;
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| 282 |
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| 283 | my $title = $song->{'title'};
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| 284 | my $title_safe = $title;
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| 285 | $title_safe =~ s/\'/\\\\'/g;
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| 286 |
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| 287 | # add metadata
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| 288 | $doc_obj->add_metadata($cursection, "Tempo", $song->{'tempo'});
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| 289 | $doc_obj->add_metadata($cursection, "KeySigType", $song->{'ks_type'});
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| 290 | $doc_obj->add_metadata($cursection, "KeySigNum", $song->{'ks_num'});
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| 291 | $doc_obj->add_metadata($cursection, "SubCollection", $song->{'subcol'});
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| 292 | $doc_obj->add_metadata($cursection, "Title", $title);
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| 293 | $doc_obj->add_metadata($cursection, "TitleSafe", $title_safe);
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| 294 | $doc_obj->add_metadata($cursection, "TVal", $song->{'tval'});
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| 295 |
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[10254] | 296 | foreach my $md ( @{$song->{'metadata'}} )
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[3737] | 297 | {
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| 298 | $doc_obj->add_metadata($cursection, $md->[0], $md->[1]);
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| 299 | }
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| 300 |
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| 301 | # add contents as text
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| 302 | $doc_obj->add_text($cursection,$song->{'content'});
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| 303 |
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| 304 | return $cursection;
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| 305 | }
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| 306 |
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| 307 |
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| 308 |
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[15872] | 309 | # Override BasePlugin read
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[3737] | 310 | # We don't want to get language encoding stuff until after we've converted
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| 311 | # our file to Rog format
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| 312 | sub read {
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| 313 | my $self = shift (@_);
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[16392] | 314 | my ($pluginfo, $base_dir, $file, $block_hash, $metadata, $processor, $maxdocs, $total_count, $gli) = @_;
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[3737] | 315 |
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| 316 | my $outhandle = $self->{'outhandle'};
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| 317 |
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[16392] | 318 | my ($filename_full_path, $filename_no_path) = &util::get_full_filenames($base_dir, $file);
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| 319 | return undef unless $self->can_process_this_file($filename_full_path);
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[11090] | 320 |
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[3737] | 321 | $file =~ s/^[\/\\]+//; # $file often begins with / so we'll tidy it up
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| 322 |
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| 323 | # read in file ($text will be in utf8)
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| 324 | my $text = "";
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| 325 |
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| 326 | my $output_ext = $self->{'convert_to_ext'};
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[16392] | 327 | my $conv_filename = $self->tmp_area_convert_file($output_ext, $filename_full_path);
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[3737] | 328 |
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| 329 | if ("$conv_filename" eq "") {return 0;} # allows continue on errors
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| 330 | $self->{'conv_filename'} = $conv_filename;
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| 331 |
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| 332 |
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| 333 | # create a new document
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[7571] | 334 | #my $doc_obj = new doc ($conv_filename, "indexed_doc");
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| 335 | # the original filename is used now
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[18327] | 336 | my $doc_obj = new doc ($filename_full_path, "indexed_doc", $self->{'file_rename_method'});
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[7571] | 337 | # the converted filename is set separately
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| 338 | $doc_obj->set_converted_filename($conv_filename);
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| 339 |
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[3737] | 340 | my $topsection = $doc_obj->get_top_section();
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| 341 | my $cursection = $topsection;
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| 342 |
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| 343 | $self->{'docnum'}++;
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| 344 | my $docnum = $self->{'docnum'};
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| 345 |
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| 346 | my ($filemeta) = $file =~ /([^\\\/]+)$/;
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[15872] | 347 | $self->set_Source_metadata($doc_obj, $filemeta);
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| 348 |
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[3737] | 349 | if ($self->{'cover_image'}) {
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[16392] | 350 | $self->associate_cover_image($doc_obj, $filename_full_path);
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[3737] | 351 | }
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[7508] | 352 | $doc_obj->add_utf8_metadata($doc_obj->get_top_section(), "Plugin", "$self->{'plugin_type'}");
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[16392] | 353 | $doc_obj->add_utf8_metadata($doc_obj->get_top_section(), "FileSize", (-s $filename_full_path));
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[3737] | 354 |
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| 355 | my $track_no = "1";
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| 356 | my $rog_filename = "$conv_filename$track_no.$output_ext";
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| 357 | while (1)
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| 358 | {
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| 359 | last unless open (FILE, $rog_filename) ;
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| 360 |
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| 361 | my $file_buffer = { line_no => 0, next_line => "", song => {} };
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| 362 |
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| 363 | while ($self->read_rog_record($file_buffer, $docnum, $track_no))
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| 364 | {
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| 365 | my $song = $file_buffer->{'song'};
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| 366 | my $content = $song->{'content'};
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| 367 | $content =~ s/^song\w+(.*)$/song $1 X.$track_no/;
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| 368 |
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| 369 | $cursection
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| 370 | = $self->process_rog_record($doc_obj,$cursection,
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| 371 | $file_buffer->{'song'});
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| 372 | }
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| 373 |
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| 374 | close FILE;
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| 375 |
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| 376 | $track_no++;
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| 377 | $rog_filename = "$conv_filename$track_no.$output_ext";
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| 378 | }
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| 379 |
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| 380 | print STDERR "\n";
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| 381 |
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| 382 | # include any metadata passed in from previous plugins
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| 383 | # note that this metadata is associated with the top level section
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| 384 | $self->extra_metadata ($doc_obj, $doc_obj->get_top_section(), $metadata);
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| 385 | # do plugin specific processing of doc_obj
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[9584] | 386 | unless (defined ($self->process(\$text, $pluginfo, $base_dir, $file, $metadata, $doc_obj))) {
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| 387 | print STDERR "<ProcessingError n='$file'>\n" if ($gli);
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| 388 | return -1;
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| 389 | }
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[3737] | 390 | # do any automatic metadata extraction
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| 391 | $self->auto_extract_metadata ($doc_obj);
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| 392 | # add an OID
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[17026] | 393 | $self->add_OID($doc_obj);
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[3737] | 394 |
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| 395 | my $oid = $doc_obj->get_OID();
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| 396 | my $appletlink = "<a href=\"javascript:meldexout(\'$oid\','[TitleSafe]')\">";
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| 397 |
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| 398 | $doc_obj->add_utf8_metadata ($topsection, "audiolink", $appletlink);
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| 399 | $doc_obj->add_utf8_metadata ($topsection, "audioicon", "_iconaudio_");
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| 400 | $doc_obj->add_utf8_metadata ($topsection, "/audiolink", "</a>");
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| 401 |
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| 402 | # if no title metadata defined, set it to filename minus extension
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| 403 | my $existing_title = $doc_obj->get_metadata_element($topsection,"Title");
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| 404 | if (!defined $existing_title)
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| 405 | {
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| 406 | my $title = $doc_obj->get_metadata_element($topsection,"Source");
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| 407 | $title =~ s/\..*?$//g;
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| 408 | $doc_obj->add_utf8_metadata ($topsection, "Title", $title);
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| 409 |
|
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| 410 | my $title_safe = $title;
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| 411 | $title_safe =~ s/\'/\\\\'/g;
|
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| 412 | $doc_obj->add_utf8_metadata ($topsection, "TitleSafe", $title_safe);
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| 413 | }
|
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| 414 |
|
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| 415 | # process the document
|
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| 416 | $processor->process($doc_obj);
|
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| 417 | $self->cleanup_tmp_area();
|
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| 418 |
|
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| 419 | $self->{'num_processed'} ++;
|
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| 420 |
|
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| 421 | return 1;
|
---|
| 422 | }
|
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| 423 |
|
---|
| 424 |
|
---|
| 425 | # do plugin specific processing of doc_obj for HTML type
|
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| 426 | sub process_type {
|
---|
| 427 | my $self = shift (@_);
|
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| 428 | my ($doc_ext, $textref, $pluginfo, $base_dir, $file, $metadata, $doc_obj) = @_;
|
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| 429 |
|
---|
| 430 | my $conv_filename = $self->{'conv_filename'};
|
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| 431 | my $tmp_dirname = File::Basename::dirname($conv_filename);
|
---|
| 432 | my $tmp_tailname = File::Basename::basename($conv_filename);
|
---|
| 433 |
|
---|
| 434 | my $converted_to = $self->{'converted_to'};
|
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| 435 | my $ret_val = 1;
|
---|
| 436 |
|
---|
[15872] | 437 | # $ret_val = &RogPlugin::process($self, $textref, $pluginfo,
|
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[3737] | 438 | # $tmp_dirname, $tmp_tailname,
|
---|
| 439 | # $metadata, $doc_obj);
|
---|
| 440 |
|
---|
| 441 | # associate original file with doc object
|
---|
| 442 | my $cursection = $doc_obj->get_top_section();
|
---|
| 443 | my $filename = &util::filename_cat($base_dir, $file);
|
---|
| 444 | $doc_obj->associate_file($filename, "doc.$doc_ext", undef, $cursection);
|
---|
| 445 |
|
---|
[21760] | 446 | #my $doclink = "<a href=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/doc.$doc_ext\">";
|
---|
| 447 | #$doc_obj->add_utf8_metadata ($cursection, "srclink", $doclink);
|
---|
[21764] | 448 | $doc_obj->add_metadata ($cursection, "srclink_file", "doc.$doc_ext");
|
---|
[3737] | 449 | $doc_obj->add_utf8_metadata ($cursection, "srcicon", "_icon".$doc_ext."_");
|
---|
[21760] | 450 | #$doc_obj->add_utf8_metadata ($cursection, "/srclink", "</a>");
|
---|
[3737] | 451 | return $ret_val;
|
---|
| 452 | }
|
---|
| 453 |
|
---|
| 454 | 1;
|
---|