1 | ##########################################################################
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2 | #
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3 | # basebuildproc.pm --
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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 | # This document processor outputs a document for indexing (should be
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27 | # implemented by subclass) and storing in the database
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28 |
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29 | package basebuildproc;
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30 |
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31 | eval {require bytes};
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32 |
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33 | use classify;
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34 | use dbutil;
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35 | use doc;
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36 | use docproc;
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37 | use strict;
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38 | no strict 'subs';
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39 | no strict 'refs';
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40 | use util;
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41 |
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42 | BEGIN {
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43 | @basebuildproc::ISA = ('docproc');
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44 | }
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45 |
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46 | sub new()
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47 | {
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48 | my ($class, $collection, $source_dir, $build_dir, $keepold, $verbosity, $outhandle) = @_;
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49 | my $self = new docproc ();
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50 |
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51 | # outhandle is where all the debugging info goes
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52 | # output_handle is where the output of the plugins is piped
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53 | # to (i.e. mg, database etc.)
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54 | $outhandle = STDERR unless defined $outhandle;
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55 |
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56 | $self->{'collection'} = $collection;
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57 | $self->{'source_dir'} = $source_dir;
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58 | $self->{'build_dir'} = $build_dir;
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59 | $self->{'keepold'} = $keepold;
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60 | $self->{'verbosity'} = $verbosity;
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61 | $self->{'outhandle'} = $outhandle;
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62 |
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63 | $self->{'classifiers'} = [];
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64 | $self->{'mode'} = "text";
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65 | $self->{'assocdir'} = $build_dir;
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66 | $self->{'dontdb'} = {};
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67 | $self->{'store_metadata_coverage'} = "false";
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68 |
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69 | $self->{'index'} = "section:text";
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70 | $self->{'indexexparr'} = [];
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71 |
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72 | $self->{'separate_cjk'} = 0;
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73 |
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74 | my $found_num_data = 0;
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75 | my $buildconfigfile = undef;
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76 |
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77 | if ($keepold) {
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78 | # For incremental building need to seed num_docs etc from values
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79 | # stored in build.cfg (if present)
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80 | $buildconfigfile = &util::filename_cat($build_dir, "build.cfg");
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81 | if (-e $buildconfigfile) {
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82 | $found_num_data = 1;
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83 | }
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84 | else {
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85 | # try the index dir
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86 | $buildconfigfile = &util::filename_cat($ENV{'GSDLCOLLECTDIR'},
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87 | "index", "build.cfg");
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88 | if (-e $buildconfigfile) {
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89 | $found_num_data = 1;
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90 | }
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91 | }
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92 |
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93 | }
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94 |
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95 | if ($found_num_data)
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96 | {
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97 | #print STDERR "Found_Num_Data!\n";
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98 | my $buildcfg = &colcfg::read_build_cfg($buildconfigfile);
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99 | $self->{'starting_num_docs'} = $buildcfg->{'numdocs'};
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100 | #print STDERR "- num_docs: $self->{'starting_num_docs'}\n";
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101 | $self->{'starting_num_sections'} = $buildcfg->{'numsections'};
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102 | #print STDERR "- num_sections: $self->{'starting_num_sections'}\n";
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103 | $self->{'starting_num_bytes'} = $buildcfg->{'numbytes'};
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104 | #print STDERR "- num_bytes: $self->{'starting_num_bytes'}\n";
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105 | }
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106 | else
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107 | {
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108 | #print STDERR "NOT Found_Num_Data!\n";
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109 | $self->{'starting_num_docs'} = 0;
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110 | $self->{'starting_num_sections'} = 0;
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111 | $self->{'starting_num_bytes'} = 0;
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112 | }
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113 |
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114 | $self->{'output_handle'} = "STDOUT";
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115 | $self->{'num_docs'} = $self->{'starting_num_docs'};
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116 | $self->{'num_sections'} = $self->{'starting_num_sections'};
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117 | $self->{'num_bytes'} = $self->{'starting_num_bytes'};
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118 |
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119 | $self->{'num_processed_bytes'} = 0;
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120 | $self->{'store_text'} = 1;
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121 |
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122 | # what level (section/document) the database - indexer intersection is
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123 | $self->{'db_level'} = "section";
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124 | #used by browse interface
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125 | $self->{'doclist'} = [];
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126 |
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127 | $self->{'indexing_text'} = 0;
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128 |
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129 | return bless $self, $class;
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130 |
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131 | }
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132 |
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133 | sub reset {
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134 | my $self = shift (@_);
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135 |
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136 | $self->{'num_docs'} = $self->{'starting_num_docs'};
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137 | $self->{'num_sections'} = $self->{'starting_num_sections'};
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138 | $self->{'num_bytes'} = $self->{'starting_num_bytes'};
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139 |
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140 | $self->{'num_processed_bytes'} = 0;
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141 | }
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142 |
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143 | sub zero_reset {
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144 | my $self = shift (@_);
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145 |
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146 | $self->{'num_docs'} = 0;
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147 | $self->{'num_sections'} = 0;
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148 | # reconstructed docs have no text, just metadata, so we need to
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149 | # remember how many bytes we had initially
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150 | $self->{'num_bytes'} = $self->{'starting_num_bytes'};
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151 |
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152 | $self->{'num_processed_bytes'} = 0;
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153 | }
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154 |
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155 | sub is_incremental_capable
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156 | {
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157 | # By default we return 'no' as the answer
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158 | # Safer to assume non-incremental to start with, and then override in
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159 | # inherited classes that are.
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160 |
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161 | return 0;
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162 | }
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163 |
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164 | sub get_num_docs {
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165 | my $self = shift (@_);
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166 |
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167 | return $self->{'num_docs'};
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168 | }
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169 |
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170 | sub get_num_sections {
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171 | my $self = shift (@_);
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172 |
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173 | return $self->{'num_sections'};
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174 | }
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175 |
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176 | # num_bytes is the actual number of bytes in the collection
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177 | # this is normally the same as what's processed during text compression
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178 | sub get_num_bytes {
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179 | my $self = shift (@_);
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180 |
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181 | return $self->{'num_bytes'};
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182 | }
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183 |
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184 | # num_processed_bytes is the number of bytes actually passed
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185 | # to mg for the current index
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186 | sub get_num_processed_bytes {
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187 | my $self = shift (@_);
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188 |
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189 | return $self->{'num_processed_bytes'};
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190 | }
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191 |
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192 | sub set_output_handle {
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193 | my $self = shift (@_);
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194 | my ($handle) = @_;
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195 |
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196 | $self->{'output_handle'} = $handle;
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197 | }
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198 |
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199 |
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200 | sub set_mode {
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201 | my $self = shift (@_);
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202 | my ($mode) = @_;
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203 |
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204 | $self->{'mode'} = $mode;
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205 | }
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206 |
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207 | sub get_mode {
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208 | my $self = shift (@_);
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209 |
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210 | return $self->{'mode'};
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211 | }
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212 |
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213 | sub set_assocdir {
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214 | my $self = shift (@_);
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215 | my ($assocdir) = @_;
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216 |
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217 | $self->{'assocdir'} = $assocdir;
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218 | }
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219 |
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220 | sub set_dontdb {
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221 | my $self = shift (@_);
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222 | my ($dontdb) = @_;
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223 |
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224 | $self->{'dontdb'} = $dontdb;
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225 | }
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226 |
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227 | sub set_infodbtype
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228 | {
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229 | my $self = shift(@_);
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230 | my $infodbtype = shift(@_);
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231 | $self->{'infodbtype'} = $infodbtype;
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232 | }
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233 |
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234 | sub set_index {
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235 | my $self = shift (@_);
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236 | my ($index, $indexexparr) = @_;
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237 |
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238 | $self->{'index'} = $index;
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239 | $self->{'indexexparr'} = $indexexparr if defined $indexexparr;
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240 | }
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241 |
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242 | sub set_index_languages {
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243 | my $self = shift (@_);
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244 | my ($lang_meta, $langarr) = @_;
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245 | $self->{'lang_meta'} = $lang_meta;
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246 | $self->{'langarr'} = $langarr;
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247 | }
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248 |
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249 | sub get_index {
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250 | my $self = shift (@_);
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251 |
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252 | return $self->{'index'};
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253 | }
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254 |
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255 | sub set_classifiers {
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256 | my $self = shift (@_);
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257 | my ($classifiers) = @_;
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258 |
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259 | $self->{'classifiers'} = $classifiers;
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260 | }
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261 |
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262 | sub set_indexing_text {
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263 | my $self = shift (@_);
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264 | my ($indexing_text) = @_;
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265 |
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266 | $self->{'indexing_text'} = $indexing_text;
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267 | }
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268 |
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269 | sub get_indexing_text {
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270 | my $self = shift (@_);
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271 |
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272 | return $self->{'indexing_text'};
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273 | }
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274 |
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275 | sub set_store_text {
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276 | my $self = shift (@_);
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277 | my ($store_text) = @_;
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278 |
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279 | $self->{'store_text'} = $store_text;
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280 | }
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281 |
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282 | sub set_store_metadata_coverage {
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283 | my $self = shift (@_);
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284 | my ($store_metadata_coverage) = @_;
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285 |
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286 | $self->{'store_metadata_coverage'} = $store_metadata_coverage || "";
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287 | }
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288 |
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289 | sub get_doc_list {
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290 | my $self = shift(@_);
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291 |
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292 | return @{$self->{'doclist'}};
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293 | }
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294 |
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295 | # the standard database level is section, but you may want to change it to document
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296 | sub set_db_level {
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297 | my $self= shift (@_);
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298 | my ($db_level) = @_;
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299 |
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300 | $self->{'db_level'} = $db_level;
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301 | }
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302 |
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303 | sub set_sections_index_document_metadata {
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304 | my $self= shift (@_);
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305 | my ($index_type) = @_;
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306 |
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307 | $self->{'sections_index_document_metadata'} = $index_type;
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308 | }
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309 |
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310 | sub set_separate_cjk {
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311 | my $self = shift (@_);
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312 | my ($sep_cjk) = @_;
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313 |
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314 | $self->{'separate_cjk'} = $sep_cjk;
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315 | }
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316 |
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317 | sub process {
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318 | my $self = shift (@_);
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319 | my $method = $self->{'mode'};
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320 |
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321 | $self->$method(@_);
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322 | }
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323 |
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324 | # post process text depending on field. Currently don't do anything here
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325 | # except cjk separation, and only for indexing
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326 | # should only do this for indexed text (if $self->{'indexing_text'}),
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327 | # but currently search term highlighting doesn't work if you do that.
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328 | # once thats fixed up, then fix this.
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329 | sub filter_text {
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330 | my $self = shift (@_);
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331 | my ($field, $text) = @_;
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332 |
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333 | # lets do cjk seg here
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334 | my $new_text =$text;
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335 | if ($self->{'separate_cjk'}) {
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336 | $new_text = &cnseg::segment($text);
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337 | }
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338 | return $new_text;
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339 | }
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340 |
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341 |
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342 | sub infodb_metadata_stats
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343 | {
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344 | my $self = shift (@_);
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345 | my ($field,$edit_mode) = @_;
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346 |
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347 | # Keep some statistics relating to metadata sets used and
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348 | # frequency of particular metadata fields within each set
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349 |
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350 | # Union of metadata prefixes and frequency of fields
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351 | # (both scoped for this document alone, and across whole collection)
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352 |
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353 | if ($field =~ m/^(.+)\.(.*)$/) {
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354 | my $prefix = $1;
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355 | my $core_field = $2;
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356 |
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357 | if (($edit_mode eq "add") || ($edit_mode eq "update")) {
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358 | $self->{'doc_mdprefix_fields'}->{$prefix}->{$core_field}++;
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359 | $self->{'mdprefix_fields'}->{$prefix}->{$core_field}++;
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360 | }
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361 | else {
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362 | # delete
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363 | $self->{'doc_mdprefix_fields'}->{$prefix}->{$core_field}--;
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364 | $self->{'mdprefix_fields'}->{$prefix}->{$core_field}--;
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365 | }
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366 |
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367 | }
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368 | elsif ($field =~ m/^[[:upper:]]/) {
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369 | # implicit 'ex' metadata set
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370 |
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371 | if (($edit_mode eq "add") || ($edit_mode eq "update")) {
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372 |
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373 | $self->{'doc_mdprefix_fields'}->{'ex'}->{$field}++;
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374 | $self->{'mdprefix_fields'}->{'ex'}->{$field}++;
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375 | }
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376 | else {
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377 | # delete
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378 | $self->{'doc_mdprefix_fields'}->{'ex'}->{$field}--;
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379 | $self->{'mdprefix_fields'}->{'ex'}->{$field}--;
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380 | }
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381 | }
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382 |
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383 | }
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384 |
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385 |
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386 | sub infodbedit {
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387 | my $self = shift (@_);
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388 | my ($doc_obj, $filename, $edit_mode) = @_;
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389 |
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390 | # only output this document if it is a "indexed_doc" or "info_doc" (database only) document
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391 | my $doctype = $doc_obj->get_doc_type();
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392 | return if ($doctype ne "indexed_doc" && $doctype ne "info_doc");
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393 |
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394 | my $archivedir = "";
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395 | if (defined $filename)
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396 | {
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397 | # doc_obj derived directly from file
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398 | my ($dir) = $filename =~ /^(.*?)(?:\/|\\)[^\/\\]*$/;
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399 | $dir = "" unless defined $dir;
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400 | $dir =~ s/\\/\//g;
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401 | $dir =~ s/^\/+//;
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402 | $dir =~ s/\/+$//;
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403 |
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404 | $archivedir = $dir;
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405 |
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406 | # resolve the final filenames of the files associated with this document
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407 | $self->assoc_files ($doc_obj, $archivedir);
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408 | }
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409 | else
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410 | {
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411 | # doc_obj reconstructed from database (has metadata, doc structure but no text)
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412 | my $top_section = $doc_obj->get_top_section();
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413 | $archivedir = $doc_obj->get_metadata_element($top_section,"archivedir");
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414 | }
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415 |
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416 | if (($edit_mode eq "add") || ($edit_mode eq "update")) {
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417 | #add this document to the browse structure
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418 | push(@{$self->{'doclist'}},$doc_obj->get_OID())
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419 | unless ($doctype eq "classification");
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420 | }
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421 | else {
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422 | # delete => remove this doc from browse structure
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423 | my $del_doc_oid = $doc_obj->get_OID();
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424 |
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425 | my @filtered_doc_list = ();
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426 | foreach my $oid (@{$self->{'doclist'}}) {
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427 | push(@filtered_doc_list,$oid) if ($oid ne $del_doc_oid);
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428 | }
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429 | $self->{'doclist'} = \@filtered_doc_list;
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430 | }
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431 |
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432 |
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433 | # classify this document
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434 | &classify::classify_doc ($self->{'classifiers'}, $doc_obj, $edit_mode);
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435 |
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436 | if (($edit_mode eq "add") || ($edit_mode eq "update")) {
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437 | # this is another document
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438 | $self->{'num_docs'} += 1 unless ($doctype eq "classification");
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439 | }
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440 | else {
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441 | # delete
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442 | $self->{'num_docs'} -= 1 unless ($doctype eq "classification");
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443 | }
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444 |
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445 | # is this a paged or a hierarchical document
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446 | my ($thistype, $childtype) = $self->get_document_type ($doc_obj);
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447 |
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448 | my $section = $doc_obj->get_top_section ();
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449 | my $doc_OID = $doc_obj->get_OID();
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450 | my $first = 1;
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451 | my $infodb_handle = $self->{'output_handle'};
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452 |
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453 | $self->{'doc_mdprefix_fields'} = {};
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454 |
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455 | while (defined $section)
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456 | {
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457 | my $section_OID = $doc_OID;
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458 | if ($section ne "")
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459 | {
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460 | $section_OID = $doc_OID . "." . $section;
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461 | }
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462 | my %section_infodb = ();
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463 |
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464 | # update a few statistics
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465 | if (($edit_mode eq "add") || ($edit_mode eq "update")) {
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466 |
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467 | $self->{'num_bytes'} += $doc_obj->get_text_length ($section);
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468 | $self->{'num_sections'} += 1 unless ($doctype eq "classification");
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469 | }
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470 | else {
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471 | # delete
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472 | $self->{'num_bytes'} -= $doc_obj->get_text_length ($section);
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473 | $self->{'num_sections'} -= 1 unless ($doctype eq "classification");
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474 | }
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475 |
|
---|
476 | # output the fact that this document is a document (unless doctype
|
---|
477 | # has been set to something else from within a plugin
|
---|
478 | my $dtype = $doc_obj->get_metadata_element ($section, "doctype");
|
---|
479 | if (!defined $dtype || $dtype !~ /\w/) {
|
---|
480 | $section_infodb{"doctype"} = [ "doc" ];
|
---|
481 | }
|
---|
482 |
|
---|
483 | # Output whether this node contains text
|
---|
484 | #
|
---|
485 | # If doc_obj reconstructed from database file then no need to
|
---|
486 | # explicitly add <hastxt> as this is preserved as metadata when
|
---|
487 | # the database file is loaded in
|
---|
488 | if (defined $filename)
|
---|
489 | {
|
---|
490 | # doc_obj derived directly from file
|
---|
491 | if ($doc_obj->get_text_length($section) > 0) {
|
---|
492 | $section_infodb{"hastxt"} = [ "1" ];
|
---|
493 | } else {
|
---|
494 | $section_infodb{"hastxt"} = [ "0" ];
|
---|
495 | }
|
---|
496 | }
|
---|
497 |
|
---|
498 | # output all the section metadata
|
---|
499 | my $metadata = $doc_obj->get_all_metadata ($section);
|
---|
500 | foreach my $pair (@$metadata) {
|
---|
501 | my ($field, $value) = (@$pair);
|
---|
502 |
|
---|
503 | if ($field ne "Identifier" && $field !~ /^gsdl/ &&
|
---|
504 | defined $value && $value ne "") {
|
---|
505 |
|
---|
506 | # escape problematic stuff
|
---|
507 | $value =~ s/\\/\\\\/g;
|
---|
508 | $value =~ s/\n/\\n/g;
|
---|
509 | $value =~ s/\r/\\r/g;
|
---|
510 |
|
---|
511 | # special case for URL metadata
|
---|
512 | if ($field =~ /^URL$/i) {
|
---|
513 | if (($edit_mode eq "add") || ($edit_mode eq "update")) {
|
---|
514 |
|
---|
515 | &dbutil::write_infodb_entry($self->{'infodbtype'}, $infodb_handle, $value, { 'section' => [ $section_OID ] });
|
---|
516 | }
|
---|
517 | else {
|
---|
518 | # delete
|
---|
519 | &dbutil::delete_infodb_entry($self->{'infodbtype'}, $infodb_handle, $value);
|
---|
520 | }
|
---|
521 |
|
---|
522 |
|
---|
523 | }
|
---|
524 |
|
---|
525 | if (!defined $self->{'dontdb'}->{$field}) {
|
---|
526 | push(@{$section_infodb{$field}}, $value);
|
---|
527 |
|
---|
528 | if ($section eq "" && $self->{'store_metadata_coverage'} =~ /^true$/i)
|
---|
529 | {
|
---|
530 | $self->infodb_metadata_stats($field,$edit_mode);
|
---|
531 | }
|
---|
532 | }
|
---|
533 | }
|
---|
534 | }
|
---|
535 |
|
---|
536 | if ($section eq "")
|
---|
537 | {
|
---|
538 | my $doc_mdprefix_fields = $self->{'doc_mdprefix_fields'};
|
---|
539 |
|
---|
540 | foreach my $prefix (keys %$doc_mdprefix_fields)
|
---|
541 | {
|
---|
542 | push(@{$section_infodb{"metadataset"}}, $prefix);
|
---|
543 |
|
---|
544 | foreach my $field (keys %{$doc_mdprefix_fields->{$prefix}})
|
---|
545 | {
|
---|
546 | push(@{$section_infodb{"metadatalist-$prefix"}}, $field);
|
---|
547 |
|
---|
548 | my $val = $doc_mdprefix_fields->{$prefix}->{$field};
|
---|
549 | push(@{$section_infodb{"metadatafreq-$prefix-$field"}}, $val);
|
---|
550 | }
|
---|
551 | }
|
---|
552 | }
|
---|
553 |
|
---|
554 | # If doc_obj reconstructed from database file then no need to
|
---|
555 | # explicitly add <archivedir> as this is preserved as metadata when
|
---|
556 | # the database file is loaded in
|
---|
557 | if (defined $filename)
|
---|
558 | {
|
---|
559 | # output archivedir if at top level
|
---|
560 | if ($section eq $doc_obj->get_top_section()) {
|
---|
561 | $section_infodb{"archivedir"} = [ $archivedir ];
|
---|
562 | }
|
---|
563 | }
|
---|
564 |
|
---|
565 | # output document display type
|
---|
566 | if ($first) {
|
---|
567 | $section_infodb{"thistype"} = [ $thistype ];
|
---|
568 | }
|
---|
569 |
|
---|
570 | if ($self->{'db_level'} eq "document") {
|
---|
571 | # doc num is num_docs not num_sections
|
---|
572 | # output the matching document number
|
---|
573 | $section_infodb{"docnum"} = [ $self->{'num_docs'} ];
|
---|
574 | }
|
---|
575 | else {
|
---|
576 | # output a list of children
|
---|
577 | my $children = $doc_obj->get_children ($section);
|
---|
578 | if (scalar(@$children) > 0) {
|
---|
579 | $section_infodb{"childtype"} = [ $childtype ];
|
---|
580 | my $contains = "";
|
---|
581 | foreach my $child (@$children)
|
---|
582 | {
|
---|
583 | $contains .= ";" unless ($contains eq "");
|
---|
584 | if ($child =~ /^.*?\.(\d+)$/)
|
---|
585 | {
|
---|
586 | $contains .= "\".$1";
|
---|
587 | }
|
---|
588 | else
|
---|
589 | {
|
---|
590 | $contains .= "\".$child";
|
---|
591 | }
|
---|
592 | }
|
---|
593 | $section_infodb{"contains"} = [ $contains ];
|
---|
594 | }
|
---|
595 | # output the matching doc number
|
---|
596 | $section_infodb{"docnum"} = [ $self->{'num_sections'} ];
|
---|
597 | }
|
---|
598 |
|
---|
599 | if (($edit_mode eq "add") || ($edit_mode eq "update")) {
|
---|
600 |
|
---|
601 | &dbutil::write_infodb_entry($self->{'infodbtype'}, $infodb_handle, $section_OID, \%section_infodb);
|
---|
602 | }
|
---|
603 | else {
|
---|
604 | # delete
|
---|
605 | &dbutil::delete_infodb_entry($self->{'infodbtype'}, $infodb_handle, $section_OID);
|
---|
606 | }
|
---|
607 |
|
---|
608 |
|
---|
609 | # output a database entry for the document number, except for Lucene (which no longer needs this information)
|
---|
610 | unless (ref($self) eq "lucenebuildproc")
|
---|
611 | {
|
---|
612 | if (($edit_mode eq "add") || ($edit_mode eq "update")) {
|
---|
613 |
|
---|
614 | if ($self->{'db_level'} eq "document") {
|
---|
615 | &dbutil::write_infodb_entry($self->{'infodbtype'}, $infodb_handle, $self->{'num_docs'}, { 'section' => [ $doc_OID ] });
|
---|
616 | }
|
---|
617 | else {
|
---|
618 | &dbutil::write_infodb_entry($self->{'infodbtype'}, $infodb_handle, $self->{'num_sections'}, { 'section' => [ $section_OID ] });
|
---|
619 | }
|
---|
620 | }
|
---|
621 | else {
|
---|
622 |
|
---|
623 | if ($self->{'db_level'} eq "document") {
|
---|
624 | &dbutil::delete_infodb_entry($self->{'infodbtype'}, $infodb_handle, $self->{'num_docs'});
|
---|
625 | }
|
---|
626 | else {
|
---|
627 | &dbutil::delete_infodb_entry($self->{'infodbtype'}, $infodb_handle, $self->{'num_sections'});
|
---|
628 | }
|
---|
629 |
|
---|
630 | }
|
---|
631 | }
|
---|
632 |
|
---|
633 | $first = 0;
|
---|
634 | $section = $doc_obj->get_next_section($section);
|
---|
635 | last if ($self->{'db_level'} eq "document"); # if no sections wanted, only add the docs
|
---|
636 | }
|
---|
637 | }
|
---|
638 |
|
---|
639 |
|
---|
640 |
|
---|
641 |
|
---|
642 | sub infodb {
|
---|
643 | my $self = shift (@_);
|
---|
644 | my ($doc_obj, $filename) = @_;
|
---|
645 |
|
---|
646 | $self->infodbedit($doc_obj,$filename,"add");
|
---|
647 | }
|
---|
648 |
|
---|
649 | sub infodbreindex {
|
---|
650 | my $self = shift (@_);
|
---|
651 | my ($doc_obj, $filename) = @_;
|
---|
652 |
|
---|
653 | $self->infodbedit($doc_obj,$filename,"update");
|
---|
654 | }
|
---|
655 |
|
---|
656 | sub infodbdelete {
|
---|
657 | my $self = shift (@_);
|
---|
658 | my ($doc_obj, $filename) = @_;
|
---|
659 |
|
---|
660 | $self->infodbedit($doc_obj,$filename,"delete");
|
---|
661 | }
|
---|
662 |
|
---|
663 |
|
---|
664 | sub text {
|
---|
665 | my $self = shift (@_);
|
---|
666 | my ($doc_obj) = @_;
|
---|
667 |
|
---|
668 | my $handle = $self->{'outhandle'};
|
---|
669 | print $handle "basebuildproc::text function must be implemented in sub classes\n";
|
---|
670 | die "\n";
|
---|
671 | }
|
---|
672 |
|
---|
673 | sub textreindex
|
---|
674 | {
|
---|
675 | my $self = shift @_;
|
---|
676 |
|
---|
677 | my $outhandle = $self->{'outhandle'};
|
---|
678 | print $outhandle "basebuildproc::textreindex function must be implemented in sub classes\n";
|
---|
679 | if (!$self->is_incremental_capable()) {
|
---|
680 |
|
---|
681 | print $outhandle " This operation is only possible with indexing tools with that support\n";
|
---|
682 | print $outhandle " incremental building\n";
|
---|
683 | }
|
---|
684 | die "\n";
|
---|
685 | }
|
---|
686 |
|
---|
687 | sub textdelete
|
---|
688 | {
|
---|
689 | my $self = shift @_;
|
---|
690 |
|
---|
691 | my $outhandle = $self->{'outhandle'};
|
---|
692 | print $outhandle "basebuildproc::textdelete function must be implemented in sub classes\n";
|
---|
693 | if (!$self->is_incremental_capable()) {
|
---|
694 |
|
---|
695 | print $outhandle " This operation is only possible with indexing tools with that support\n";
|
---|
696 | print $outhandle " incremental building\n";
|
---|
697 | }
|
---|
698 | die "\n";
|
---|
699 | }
|
---|
700 |
|
---|
701 |
|
---|
702 | # should the document be indexed - according to the subcollection and language
|
---|
703 | # specification.
|
---|
704 | sub is_subcollection_doc {
|
---|
705 | my $self = shift (@_);
|
---|
706 | my ($doc_obj) = @_;
|
---|
707 |
|
---|
708 | my $indexed_doc = 1;
|
---|
709 | foreach my $indexexp (@{$self->{'indexexparr'}}) {
|
---|
710 | $indexed_doc = 0;
|
---|
711 | my ($field, $exp, $options) = split /\//, $indexexp;
|
---|
712 | if (defined ($field) && defined ($exp)) {
|
---|
713 | my ($bool) = $field =~ /^(.)/;
|
---|
714 | $field =~ s/^.// if $bool eq '!';
|
---|
715 | my @metadata_values;
|
---|
716 | if ($field =~ /^filename$/i) {
|
---|
717 | push(@metadata_values, $doc_obj->get_source_filename());
|
---|
718 | }
|
---|
719 | else {
|
---|
720 | @metadata_values = @{$doc_obj->get_metadata($doc_obj->get_top_section(), $field)};
|
---|
721 | }
|
---|
722 | next unless @metadata_values;
|
---|
723 | foreach my $metadata_value (@metadata_values) {
|
---|
724 | if ($bool eq '!') {
|
---|
725 | if ($options =~ /^i$/i) {
|
---|
726 | if ($metadata_value !~ /$exp/i) {$indexed_doc = 1; last;}
|
---|
727 | } else {
|
---|
728 | if ($metadata_value !~ /$exp/) {$indexed_doc = 1; last;}
|
---|
729 | }
|
---|
730 | } else {
|
---|
731 | if ($options =~ /^i$/i) {
|
---|
732 | if ($metadata_value =~ /$exp/i) {$indexed_doc = 1; last;}
|
---|
733 | } else {
|
---|
734 | if ($metadata_value =~ /$exp/) {$indexed_doc = 1; last;}
|
---|
735 | }
|
---|
736 | }
|
---|
737 | }
|
---|
738 |
|
---|
739 | last if ($indexed_doc == 1);
|
---|
740 | }
|
---|
741 | }
|
---|
742 |
|
---|
743 | # if this doc is so far in the sub collection, and we have lang info,
|
---|
744 | # now we check the languages to see if it matches
|
---|
745 | if($indexed_doc && defined $self->{'lang_meta'}) {
|
---|
746 | $indexed_doc = 0;
|
---|
747 | my $field = $doc_obj->get_metadata_element($doc_obj->get_top_section(), $self->{'lang_meta'});
|
---|
748 | if (defined $field) {
|
---|
749 | foreach my $lang (@{$self->{'langarr'}}) {
|
---|
750 | my ($bool) = $lang =~ /^(.)/;
|
---|
751 | if ($bool eq '!') {
|
---|
752 | $lang =~ s/^.//;
|
---|
753 | if ($field !~ /$lang/) {
|
---|
754 | $indexed_doc = 1; last;
|
---|
755 | }
|
---|
756 | } else {
|
---|
757 | if ($field =~ /$lang/) {
|
---|
758 | $indexed_doc = 1; last;
|
---|
759 | }
|
---|
760 | }
|
---|
761 | }
|
---|
762 | }
|
---|
763 | }
|
---|
764 | return $indexed_doc;
|
---|
765 |
|
---|
766 | }
|
---|
767 |
|
---|
768 | # use 'Paged' if document has no more than 2 levels
|
---|
769 | # and each section at second level has a number for
|
---|
770 | # Title metadata
|
---|
771 | # also use Paged if gsdlthistype metadata is set to Paged
|
---|
772 | sub get_document_type {
|
---|
773 | my $self = shift (@_);
|
---|
774 | my ($doc_obj) = @_;
|
---|
775 |
|
---|
776 | my $thistype = "VList";
|
---|
777 | my $childtype = "VList";
|
---|
778 | my $title;
|
---|
779 | my @tmp = ();
|
---|
780 |
|
---|
781 | my $section = $doc_obj->get_top_section ();
|
---|
782 |
|
---|
783 | my $gsdlthistype = $doc_obj->get_metadata_element ($section, "gsdlthistype");
|
---|
784 | if (defined $gsdlthistype) {
|
---|
785 | if ($gsdlthistype eq "Paged") {
|
---|
786 | $childtype = "Paged";
|
---|
787 | if ($doc_obj->get_text_length ($doc_obj->get_top_section())) {
|
---|
788 | $thistype = "Paged";
|
---|
789 | } else {
|
---|
790 | $thistype = "Invisible";
|
---|
791 | }
|
---|
792 |
|
---|
793 | return ($thistype, $childtype);
|
---|
794 | } elsif ($gsdlthistype eq "Hierarchy") {
|
---|
795 | return ($thistype, $childtype); # use VList, VList
|
---|
796 | }
|
---|
797 | }
|
---|
798 | my $first = 1;
|
---|
799 | while (defined $section) {
|
---|
800 | @tmp = split /\./, $section;
|
---|
801 | if (scalar(@tmp) > 1) {
|
---|
802 | return ($thistype, $childtype);
|
---|
803 | }
|
---|
804 | if (!$first) {
|
---|
805 | $title = $doc_obj->get_metadata_element ($section, "Title");
|
---|
806 | if (!defined $title || $title !~ /^\d+$/) {
|
---|
807 | return ($thistype, $childtype);
|
---|
808 | }
|
---|
809 | }
|
---|
810 | $first = 0;
|
---|
811 | $section = $doc_obj->get_next_section($section);
|
---|
812 | }
|
---|
813 | if ($doc_obj->get_text_length ($doc_obj->get_top_section())) {
|
---|
814 | $thistype = "Paged";
|
---|
815 | } else {
|
---|
816 | $thistype = "Invisible";
|
---|
817 | }
|
---|
818 | $childtype = "Paged";
|
---|
819 | return ($thistype, $childtype);
|
---|
820 | }
|
---|
821 |
|
---|
822 | sub assoc_files
|
---|
823 | {
|
---|
824 | my $self = shift (@_);
|
---|
825 | my ($doc_obj, $archivedir) = @_;
|
---|
826 | my ($afile);
|
---|
827 |
|
---|
828 | foreach my $assoc_file (@{$doc_obj->get_assoc_files()}) {
|
---|
829 | #rint STDERR "Processing associated file - copy " . $assoc_file->[0] . " to " . $assoc_file->[1] . "\n";
|
---|
830 | # if assoc file starts with a slash, we put it relative to the assoc
|
---|
831 | # dir, otherwise it is relative to the HASH... directory
|
---|
832 | if ($assoc_file->[1] =~ m@^[/\\]@) {
|
---|
833 | $afile = &util::filename_cat($self->{'assocdir'}, $assoc_file->[1]);
|
---|
834 | } else {
|
---|
835 | $afile = &util::filename_cat($self->{'assocdir'}, $archivedir, $assoc_file->[1]);
|
---|
836 | }
|
---|
837 | &util::hard_link ($assoc_file->[0], $afile, $self->{'verbosity'});
|
---|
838 | }
|
---|
839 | }
|
---|
840 |
|
---|