1 | #!/usr/bin/perl -w
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2 |
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3 | ###########################################################################
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4 | #
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5 | # lucene_passes.pl -- perl wrapper, akin to mgpp_passes, for Lucene
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6 | # A component of the Greenstone digital library software
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7 | # from the New Zealand Digital Library Project at the
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8 | # University of Waikato, New Zealand.
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9 | #
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10 | # Copyright (C) 1999 New Zealand Digital Library Project
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11 | #
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12 | # This program is free software; you can redistribute it and/or modify
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13 | # it under the terms of the GNU General Public License as published by
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14 | # the Free Software Foundation; either version 2 of the License, or
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15 | # (at your option) any later version.
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16 | #
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17 | # This program is distributed in the hope that it will be useful,
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18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 | # GNU General Public License for more details.
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21 | #
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22 | # You should have received a copy of the GNU General Public License
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23 | # along with this program; if not, write to the Free Software
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24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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25 | #
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26 | ###########################################################################
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27 |
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28 |
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29 | BEGIN {
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30 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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31 | die "GSDLOS not set\n" unless defined $ENV{'GSDLOS'};
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32 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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33 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan");
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34 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/plugins");
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35 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/classify");
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36 | }
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37 |
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38 | use util;
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39 | use ghtml;
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40 |
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41 |
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42 | sub open_java_lucene
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43 | {
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44 | my ($doc_tag_level,$full_builddir,$indexdir,$create,$verbosity) = @_;
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45 |
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46 | my $bin_java = &util::filename_cat($ENV{'GSDLHOME'},"bin","java");
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47 | my $classpath = &util::filename_cat($bin_java,"LuceneWrap.jar");
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48 |
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49 | my $java_lucene = "java -classpath \"$classpath\" GS2LuceneIndexer";
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50 | my $cmd_options = "$create -verbosity $verbosity";
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51 | my $java_cmd = "$java_lucene $cmd_options $doc_tag_level \"$full_builddir\" $indexdir";
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52 |
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53 | if (!open (PIPEOUT, "| $java_cmd")) {
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54 | die "$PROGNAME - couldn't run $java_cmd\n";
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55 | }
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56 | }
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57 |
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58 | sub close_java_lucene
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59 | {
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60 | close(PIPEOUT);
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61 | }
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62 |
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63 | sub save_xml_doc
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64 | {
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65 | my ($full_textdir,$output_filename,$doc_xml) = @_;
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66 | $dir_sep = &util::get_os_dirsep();
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67 |
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68 | my $full_output_filename
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69 | = &util::filename_cat($full_textdir,$output_filename);
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70 | my ($full_output_dir) = ($full_output_filename =~ m/^(.*$dir_sep)/x);
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71 | &util::mk_all_dir($full_output_dir);
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72 |
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73 | open(DOCOUT,">$full_output_filename")
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74 | || die "Unable to open $full_output_filename";
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75 |
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76 | print DOCOUT $doc_xml;
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77 | close(DOCOUT);
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78 |
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79 | my @secs = ($doc_xml =~ m/<Sec\s+gs2:id="\d+"\s*>.*?<\/Sec>/sg);
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80 |
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81 |
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82 | # Currently not used, but consult with DB before removing
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83 | # foreach my $sec (@secs) {
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84 | # my ($docnum,$sec_text) = ($sec =~ m/<Sec\s+gs2:id="(\d+)"\s*>(.*?)<\/Sec>/s);
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85 | # my $docnum_filename
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86 | # = &util::filename_cat($full_textdir,"$docnum.xml");
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87 |
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88 | #
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89 | # open(SECOUT,">$docnum_filename")
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90 | # || die "Unable to open $docnum_filename";
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91 |
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92 | # print SECOUT &ghtml::unescape_html($sec_text);
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93 | # close(SECOUT);
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94 | # }
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95 |
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96 | }
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97 |
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98 | sub compress_xml_doc
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99 | {
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100 | my ($full_textdir,$output_filename) = @_;
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101 |
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102 | my $full_output_filename
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103 | = &util::filename_cat($full_textdir,$output_filename);
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104 |
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105 | `gzip $full_output_filename`;
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106 | }
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107 |
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108 | sub monitor_xml_stream
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109 | {
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110 | my ($mode, $full_textdir) = @_;
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111 |
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112 | my $doc_xml = "";
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113 | my $output_filename = "";
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114 |
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115 | my $line;
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116 | while (defined ($line = <STDIN>)) {
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117 | $line =~ s/ /&nbsp;/g;
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118 | $doc_xml .= $line;
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119 | if ($line =~ m/^<Doc.+file=\"(.*?)\".*>$/) {
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120 | $output_filename = $1;
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121 |
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122 | }
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123 |
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124 | if ($line =~ m/^<\/Doc>$/) {
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125 | if ($mode eq "text") {
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126 | save_xml_doc($full_textdir,$output_filename,$doc_xml);
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127 | } elsif ($mode eq "index") {
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128 | # notify lucene indexer
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129 | # print STDERR $doc_xml;
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130 | ## print PIPEOUT "$output_filename\n";
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131 | print PIPEOUT "$doc_xml";
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132 | #save_xml_doc($full_textdir, "$output_filename.txt", $doc_xml);
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133 | }
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134 | # compress file
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135 | ### compress_xml_doc($full_textdir,$output_filename);
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136 |
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137 | $doc_xml = "";
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138 | $output_filename = "";
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139 | }
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140 | }
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141 | }
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142 |
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143 | sub main
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144 | {
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145 | my (@argv) = @_;
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146 | my $argc = scalar(@argv);
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147 |
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148 | my $create = "";
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149 | my $verbosity = 1;
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150 |
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151 | my @filtered_argv = ();
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152 |
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153 | my $i = 0;
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154 | while ($i<$argc) {
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155 | if ($argv[$i] =~ m/^-(.*)$/) {
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156 |
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157 | my $option = $1;
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158 |
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159 | # -create causes build to be incremental
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160 | if ($option eq ("create")) {
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161 | $create = "-create";
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162 | }
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163 |
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164 | # -verbosity num
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165 | elsif ($option eq "verbosity") {
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166 | $i++;
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167 | if ($i<$argc) {
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168 | $verbosity = $argv[$i];
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169 | }
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170 | }
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171 | else {
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172 | print STDERR "Unrecognised minus option: -$option\n";
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173 | }
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174 | }
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175 | else {
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176 | push(@filtered_argv,$argv[$i]);
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177 | }
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178 | $i++;
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179 | }
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180 |
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181 | my $filtered_argc = scalar(@filtered_argv);
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182 |
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183 | if ($filtered_argc < 4) {
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184 | print STDERR "Usage: $PROGNAME [-create|-verbosity num] \"text\"|\"index\" doc-tag-level build-dir index-name\n";
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185 | exit 1;
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186 | }
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187 |
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188 | my $mode = $filtered_argv[0];
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189 | my $doc_tag_level = $filtered_argv[1];
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190 | my $full_builddir = $filtered_argv[2];
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191 | my $indexdir = $filtered_argv[3];
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192 | ### print STDERR "**** ARGS = ", join(" ", @argv), "\n";
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193 |
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194 | my $full_textdir = &util::filename_cat($full_builddir,"text");
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195 |
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196 | if ($mode eq "index") {
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197 | # don't need the lucene stuff if we are just storing the docs
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198 | open_java_lucene($doc_tag_level,$full_builddir,$indexdir,$create,$verbosity);
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199 | }
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200 | monitor_xml_stream($mode, $full_textdir);
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201 | if ($mode eq "index") {
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202 | close_java_lucene();
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203 | }
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204 | }
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205 |
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206 | $PROGNAME = $0;
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207 | $PROGNAME =~ s/^.*\/(.*)$/$1/;
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208 |
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209 | &main(@ARGV);
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210 |
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