1 | ###########################################################################
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2 | #
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3 | # util.pm -- various useful utilities
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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 extrametautil;
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27 |
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28 | use strict;
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29 |
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30 | use util;
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31 | #use Encode;
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32 | #use File::Copy;
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33 | use File::Basename;
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34 |
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35 |
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36 | #******************* ADD: add extrametakey, add extrametadata *********************#
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37 | sub addmetakey {
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38 | my ($extrametakeys, $filename_re_for_metadata) = @_;
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39 | push(@$extrametakeys, $filename_re_for_metadata);
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40 | }
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41 |
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42 | # Unused. Added for symmetry
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43 | sub addmetadata {
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44 | my ($extrametadata, $filename_re_for_metadata, $value) = @_;
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45 | my $metanames = $extrametadata->{$filename_re_for_metadata};
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46 | push(@$metanames, $value);
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47 | }
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48 |
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49 | # Unused. Added for symmetry
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50 | sub addmetafile {
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51 | my ($extrametafile, $filename_re_for_metadata, $file) = @_;
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52 | my $metafiles = $extrametafile->{$filename_re_for_metadata};
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53 | push(@$metafiles, $file);
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54 | }
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55 |
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56 | sub addmetadata_for_named_metaname { # e.g. push(@{$extrametadata->{$filename_re_for_metadata}->{$field_name}}, $value);
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57 | my ($extrametadata, $filename_re_for_metadata, $field_name, $value) = @_;
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58 | my $metaname_vals = $extrametadata->{$filename_re_for_metadata}->{$field_name};
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59 | push(@$metaname_vals, $value);
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60 | }
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61 |
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62 | # Unused. Added for symmetry
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63 | sub addmetafile_for_named_file {
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64 | my ($extrametafile, $filename_re_for_metadata, $file, $filename_full_path) = @_;
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65 | my $metafile_vals = $extrametafile->{$filename_re_for_metadata}->{$file};
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66 | push(@$metafile_vals, $filename_full_path);
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67 | }
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68 |
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69 |
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70 | #**************** In future, may be useful to expand this utility file
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71 | #**************** by having remove methods to mirror the add methods
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72 |
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73 |
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74 | #******************* GET methods
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75 | sub getmetadata {
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76 | my ($extrametadata, $filename_re_for_metadata) = @_;
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77 | return $extrametadata->{$filename_re_for_metadata};
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78 | }
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79 |
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80 | sub getmetafile {
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81 | my ($extrametafile, $filename_re_for_metadata) = @_;
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82 | return $extrametafile->{$filename_re_for_metadata};
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83 | }
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84 |
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85 | sub getmetadata_for_named_metaname {
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86 | my ($extrametadata, $filename_re_for_metadata, $field_name) = @_;
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87 | return $extrametadata->{$filename_re_for_metadata}->{$field_name}; # e.g. $extrametadata->{$filename_re_for_metadata}->{$field_name}
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88 | }
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89 |
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90 | # Unused. Added for symmetry
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91 | sub getmetadata_for_named_file {
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92 | my ($extrametafile, $filename_re_for_metadata, $file) = @_;
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93 | return $extrametafile->{$filename_re_for_metadata}->{$file};
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94 | }
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95 |
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96 | sub getmetadata_for_named_pos {
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97 | my ($extrametadata, $filename_re_for_metadata, $metaname, $index) = @_;
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98 | return $extrametadata->{$filename_re_for_metadata}->{$metaname}->[$index]; # e.g. $extrametadata->{$filename_re_for_metadata}->{"dc.Identifier"}->[0]
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99 | }
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100 |
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101 |
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102 | #******************* SET methods
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103 | sub setmetadata {
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104 | my ($extrametadata, $filename_re_for_metadata, $value) = @_;
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105 | $extrametadata->{$filename_re_for_metadata} = $value;
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106 | }
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107 |
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108 | sub setmetafile { # e.g. $extrametafile{$filename_re_for_metadata} = $file;
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109 | my ($extrametafile, $filename_re_for_metadata, $file) = @_;
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110 | $extrametafile->{$filename_re_for_metadata} = $file;
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111 | }
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112 |
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113 | sub setmetadata_for_named_metaname {
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114 | my ($extrametadata, $filename_re_for_metadata, $field_name, $value) = @_;
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115 | $extrametadata->{$filename_re_for_metadata}->{$field_name} = $value;
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116 | }
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117 |
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118 | sub setmetafile_for_named_file {
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119 | my ($extrametafile, $filename_re_for_metadata, $file, $filename_full_path) = @_;
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120 | $extrametafile->{$filename_re_for_metadata}->{$file} = $filename_full_path;
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121 | }
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122 |
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123 | # Unused. Added for symmetry
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124 | sub setmetadata_for_named_pos {
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125 | my ($extrametadata, $filename_re_for_metadata, $metaname, $index, $value) = @_;
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126 | $extrametadata->{$filename_re_for_metadata}->{$metaname}->[$index] = $value;
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127 | }
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128 |
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129 |
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130 | 1; |
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