1 | ###########################################################################
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2 | #
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3 | # mgppbuildproc.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
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27 | # for mgpp to process
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28 |
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29 |
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30 | package mgppbuildproc;
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31 |
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32 | use classify;
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33 | use doc;
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34 | use docproc;
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35 | use util;
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36 |
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37 |
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38 | BEGIN {
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39 | @ISA = ('docproc');
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40 | }
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41 |
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42 |
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43 | sub new {
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44 | my ($class, $collection, $source_dir, $build_dir,
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45 | $verbosity, $outhandle) = @_;
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46 | my $self = new docproc ();
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47 |
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48 | # outhandle is where all the debugging info goes
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49 | # output_handle is where the output of the plugins is piped
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50 | # to (i.e. mg, gdbm etc.)
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51 | $outhandle = STDERR unless defined $outhandle;
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52 |
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53 | $self->{'collection'} = $collection;
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54 | $self->{'source_dir'} = $source_dir;
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55 | $self->{'build_dir'} = $build_dir;
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56 | $self->{'verbosity'} = $verbosity;
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57 | $self->{'classifiers'} = [];
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58 | $self->{'mode'} = "text";
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59 | $self->{'assocdir'} = $build_dir;
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60 | $self->{'dontgdbm'} = {};
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61 | $self->{'index'} = "text";
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62 | $self->{'indexexparr'} = [];
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63 | $self->{'output_handle'} = "STDOUT";
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64 | $self->{'num_docs'} = 0;
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65 | $self->{'num_sections'} = 0;
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66 | $self->{'num_bytes'} = 0;
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67 | $self->{'num_processed_bytes'} = 0;
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68 | $self->{'store_text'} = 1;
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69 | $self->{'outhandle'} = $outhandle;
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70 |
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71 | #used by browse interface
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72 | $self->{'doclist'} = [];
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73 |
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74 | $self->{'indexing_text'} = 0;
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75 |
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76 | #new ones for mgpp
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77 | $self->{'dontindex'} = {};
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78 | $self->{'indexfieldmap'} = {};
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79 | $self->{'indexfields'} = {};
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80 | $self->{'strip_html'}=1;
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81 |
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82 |
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83 | return bless $self, $class;
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84 | }
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85 |
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86 | sub reset {
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87 | my $self = shift (@_);
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88 |
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89 | $self->{'num_docs'} = 0;
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90 | $self->{'num_sections'} = 0;
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91 | $self->{'num_processed_bytes'} = 0;
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92 | $self->{'num_bytes'} = 0;
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93 | }
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94 |
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95 | sub get_num_docs {
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96 | my $self = shift (@_);
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97 |
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98 | return $self->{'num_docs'};
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99 | }
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100 |
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101 | sub get_num_sections {
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102 | my $self = shift (@_);
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103 |
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104 | return $self->{'num_sections'};
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105 | }
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106 |
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107 | # num_bytes is the actual number of bytes in the collection
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108 | # this is normally the same as what's processed during text compression
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109 | sub get_num_bytes {
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110 | my $self = shift (@_);
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111 |
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112 | return $self->{'num_bytes'};
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113 | }
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114 |
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115 | # num_processed_bytes is the number of bytes actually passed
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116 | # to mgpp for the current index
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117 | sub get_num_processed_bytes {
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118 | my $self = shift (@_);
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119 |
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120 | return $self->{'num_processed_bytes'};
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121 | }
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122 |
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123 | sub set_output_handle {
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124 | my $self = shift (@_);
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125 | my ($handle) = @_;
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126 |
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127 | $self->{'output_handle'} = $handle;
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128 | }
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129 |
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130 | sub set_mode {
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131 | my $self = shift (@_);
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132 | my ($mode) = @_;
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133 |
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134 | $self->{'mode'} = $mode;
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135 | }
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136 |
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137 | sub set_assocdir {
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138 | my $self = shift (@_);
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139 | my ($assocdir) = @_;
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140 |
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141 | $self->{'assocdir'} = $assocdir;
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142 | }
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143 |
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144 | sub set_dontgdbm {
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145 | my $self = shift (@_);
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146 | my ($dontgdbm) = @_;
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147 |
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148 | $self->{'dontgdbm'} = $dontgdbm;
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149 | }
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150 |
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151 | sub set_index {
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152 | my $self = shift (@_);
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153 | my ($index, $indexexparr) = @_;
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154 |
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155 | $self->{'index'} = $index;
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156 | $self->{'indexexparr'} = $indexexparr if defined $indexexparr;
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157 | }
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158 |
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159 | sub get_index {
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160 | my $self = shift (@_);
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161 |
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162 | return $self->{'index'};
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163 | }
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164 |
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165 | sub set_classifiers {
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166 | my $self = shift (@_);
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167 | my ($classifiers) = @_;
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168 |
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169 | $self->{'classifiers'} = $classifiers;
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170 | }
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171 |
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172 | sub set_indexing_text {
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173 | my $self = shift (@_);
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174 | my ($indexing_text) = @_;
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175 |
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176 | $self->{'indexing_text'} = $indexing_text;
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177 | }
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178 |
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179 | sub get_indexing_text {
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180 | my $self = shift (@_);
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181 |
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182 | return $self->{'indexing_text'};
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183 | }
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184 |
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185 | sub set_store_text {
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186 | my $self = shift (@_);
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187 | my ($store_text) = @_;
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188 |
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189 | $self->{'store_text'} = $store_text;
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190 | }
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191 |
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192 | sub get_doc_list {
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193 | my $self = shift(@_);
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194 |
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195 | return @{$self->{'doclist'}};
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196 | }
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197 |
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198 | sub set_indexfieldmap {
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199 | my $self = shift (@_);
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200 | my ($indexmap) = @_;
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201 |
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202 | $self->{'indexfieldmap'} = $indexmap;
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203 | }
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204 |
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205 | sub get_indexfieldmap {
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206 | my $self = shift (@_);
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207 |
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208 | return $self->{'indexfieldmap'};
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209 | }
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210 |
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211 | sub set_levels {
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212 | my $self = shift (@_);
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213 | my ($levels) = @_;
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214 |
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215 | $self->{'levels'} = $levels;
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216 | }
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217 |
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218 | sub set_strip_html {
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219 | my $self = shift (@_);
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220 | my ($strip) = @_;
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221 | $self->{'strip_html'}=$strip;
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222 | }
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223 |
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224 | sub process {
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225 | my $self = shift (@_);
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226 | my $method = $self->{'mode'};
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227 |
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228 | $self->$method(@_);
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229 | }
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230 |
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231 | # use 'Paged' if document has no more than 2 levels
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232 | # and each section at second level has a number for
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233 | # Title metadata
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234 | sub get_document_type {
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235 | my $self = shift (@_);
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236 | my ($doc_obj) = @_;
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237 |
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238 | my $thistype = "VList";
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239 | my $childtype = "VList";
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240 | my $title;
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241 | my @tmp = ();
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242 |
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243 | my $section = $doc_obj->get_top_section ();
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244 | my $first = 1;
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245 | while (defined $section) {
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246 | @tmp = split /\./, $section;
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247 | if (scalar(@tmp) > 1) {
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248 | return ($thistype, $childtype);
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249 | }
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250 | if (!$first) {
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251 | $title = $doc_obj->get_metadata_element ($section, "Title");
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252 | if (!defined $title || $title !~ /^\d+$/) {
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253 | return ($thistype, $childtype);
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254 | }
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255 | }
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256 | $first = 0;
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257 | $section = $doc_obj->get_next_section($section);
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258 | }
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259 | if ($doc_obj->get_text_length ($doc_obj->get_top_section())) {
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260 | $thistype = "Paged";
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261 | } else {
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262 | $thistype = "Invisible";
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263 | }
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264 | $childtype = "Paged";
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265 | return ($thistype, $childtype);
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266 | }
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267 |
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268 | sub assoc_files {
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269 | my $self = shift (@_);
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270 | my ($doc_obj, $archivedir) = @_;
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271 | my ($afile);
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272 |
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273 | foreach my $assoc_file (@{$doc_obj->get_assoc_files()}) {
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274 | # if assoc file contains directory structure of
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275 | # its own use it, otherwise use HASH... directory
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276 | if ($assoc_file->[1] =~ /[\/\\]/) {
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277 | $afile = &util::filename_cat($self->{'assocdir'}, $assoc_file->[1]);
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278 | } else {
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279 | $afile = &util::filename_cat($self->{'assocdir'}, $archivedir, $assoc_file->[1]);
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280 | }
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281 | &util::hard_link ($assoc_file->[0], $afile);
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282 | }
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283 | }
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284 |
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285 | sub infodb {
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286 | my $self = shift (@_);
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287 | my ($doc_obj, $filename) = @_;
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288 | my $handle = $self->{'output_handle'};
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289 |
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290 | my $doctype = $doc_obj->get_doc_type();
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291 |
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292 | # only output this document if it is one to be indexed
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293 | return if ($doctype ne "indexed_doc");
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294 |
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295 | #if a Section level index is not built, the gdbm file should be at doc
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296 | #level not Section
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297 | my $docs_only = 1;
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298 | if ($self->{'levels'}->{'Section'}) {
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299 | $docs_only = 0;
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300 | }
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301 |
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302 | my ($archivedir) = $filename =~ /^(.*?)(?:\/|\\)[^\/\\]*$/;
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303 | $archivedir = "" unless defined $archivedir;
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304 | $archivedir =~ s/\\/\//g;
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305 | $archivedir =~ s/^\/+//;
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306 | $archivedir =~ s/\/+$//;
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307 |
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308 | $self->assoc_files ($doc_obj, $archivedir);
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309 |
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310 | # this is another document
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311 | $self->{'num_docs'} += 1 unless ($doctype eq "classification");
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312 |
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313 | # is this a paged or a hierarchical document
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314 | my ($thistype, $childtype) = $self->get_document_type ($doc_obj);
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315 |
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316 | my $section = $doc_obj->get_top_section ();
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317 | my $doc_OID = $doc_obj->get_OID();
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318 | my $first = 1;
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319 | my $url = "";
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320 | while (defined $section) {
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321 | # update a few statistics
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322 | $self->{'num_bytes'} += $doc_obj->get_text_length ($section);
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323 | $self->{'num_sections'} += 1 unless ($doctype eq "classification");
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324 |
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325 | # output the section name
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326 | if ($section eq "") { print $handle "[$doc_OID]\n"; }
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327 | else { print $handle "[$doc_OID.$section]\n"; }
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328 |
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329 | # output the fact that this document is a document (unless doctype
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330 | # has been set to something else from within a plugin
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331 | my $dtype = $doc_obj->get_metadata_element ($section, "doctype");
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332 | if (!defined $dtype || $dtype !~ /\w/) {
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333 | print $handle "<doctype>doc\n";
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334 | }
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335 |
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336 | # output whether this node contains text
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337 | if ($doc_obj->get_text_length($section) > 0) {
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338 | print $handle "<hastxt>1\n";
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339 | } else {
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340 | print $handle "<hastxt>0\n";
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341 | }
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342 |
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343 | # output all the section metadata
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344 | my $metadata = $doc_obj->get_all_metadata ($section);
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345 | foreach my $pair (@$metadata) {
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346 | my ($field, $value) = (@$pair);
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347 |
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348 | if ($field ne "Identifier" && $field !~ /^gsdl/ &&
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349 | defined $value && $value ne "") {
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350 |
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351 | # escape problematic stuff
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352 | $value =~ s/\\/\\\\/g;
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353 | $value =~ s/\n/\\n/g;
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354 | $value =~ s/\r/\\r/g;
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355 |
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356 | # special case for URL metadata
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357 | if ($field =~ /^URL$/i) {
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358 | $url .= "[$value]\n";
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359 | if ($section eq "") {$url .= "<section>$doc_OID\n";}
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360 | else {$url .= "<section>$doc_OID.$section\n";}
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361 | $url .= '-' x 70 . "\n";
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362 | }
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363 |
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364 | if (!defined $self->{'dontgdbm'}->{$field}) {
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365 | print $handle "<$field>$value\n";
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366 | }
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367 | }
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368 | }
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369 |
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370 | # output archivedir if at top level
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371 | if ($section eq $doc_obj->get_top_section()) {
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372 | print $handle "<archivedir>$archivedir\n";
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373 | }
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374 |
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375 | # output document display type
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376 | if ($first) {
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377 | print $handle "<thistype>$thistype\n";
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378 | }
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379 |
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380 | if (!$docs_only) {
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381 | # output a list of children
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382 | my $children = $doc_obj->get_children ($section);
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383 | if (scalar(@$children) > 0) {
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384 | print $handle "<childtype>$childtype\n";
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385 | print $handle "<contains>";
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386 | my $firstchild = 1;
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387 | foreach $child (@$children) {
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388 | print $handle ";" unless $firstchild;
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389 | $firstchild = 0;
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390 | if ($child =~ /^.*?\.(\d+)$/) {
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391 | print $handle "\".$1";
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392 | } else {
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393 | print $handle "\".$child";
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394 | }
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395 | # if ($child eq "") { print $handle "$doc_OID"; }
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396 | # elsif ($section eq "") { print $handle "$doc_OID.$child"; }
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397 | # else { print $handle "$doc_OID.$section.$child"; }
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398 | }
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399 | print $handle "\n";
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400 | }
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401 | #output the matching doc number
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402 | print $handle "<docnum>$self->{'num_sections'}\n";
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403 |
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404 | } # if (!$docs_only)
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405 | else { #docs only, doc num is num_docs not num_sections
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406 | # output the matching document number
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407 | print $handle "<docnum>$self->{'num_docs'}\n";
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408 | }
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409 |
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410 | print $handle '-' x 70, "\n";
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411 |
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412 |
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413 | # output a database entry for the document number
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414 | if ($docs_only) {
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415 | print $handle "[$self->{'num_docs'}]\n";
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416 | print $handle "<section>$doc_OID\n";
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417 | }
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418 | else {
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419 | print $handle "[$self->{'num_sections'}]\n";
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420 | if ($section eq "") { print $handle "<section>$doc_OID\n"; }
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421 | else { print $handle "<section>$doc_OID.$section\n"; }
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422 | }
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423 | print $handle '-' x 70, "\n";
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424 |
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425 | # output entry for url
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426 | if ($url ne "") {
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427 | print $handle $url;
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428 | }
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429 |
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430 | $first = 0;
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431 | $section = $doc_obj->get_next_section($section);
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432 | last if ($docs_only); # if no sections wanted, only gdbm the docs
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433 | }
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434 |
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435 | #add this document to the browse structure
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436 | push(@{$self->{'doclist'}},$doc_obj->get_OID())
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437 | unless ($doctype eq "classification");
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438 |
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439 | # classify this document
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440 | &classify::classify_doc ($self->{'classifiers'}, $doc_obj);
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441 |
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442 | }
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443 |
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444 | sub find_paragraphs {
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445 | $_[1] =~ s/(<p\b)/<Paragraph>$1/gi;
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446 | }
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447 |
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448 | #this function strips the html tags from the doc if ($strip_html) and
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449 | # if ($para) replaces <p> with <Paragraph> tags.
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450 | # if both are false, the original text is returned
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451 | #assumes that <pre> and </pre> have no spaces, and removes all < and > inside
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452 | #these tags
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453 | sub preprocess_text {
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454 | my $self = shift (@_);
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455 | my ($text, $strip_html, $para) = @_;
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456 |
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457 | my ($outtext) = "";
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458 | if ($strip_html) {
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459 | while ($text =~ /<([^>]*)>/ && $text ne "") {
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460 |
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461 | $tag = $1;
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462 | $outtext .= $`." "; #add everything before the matched tag
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463 | $text = $'; #everything after the matched tag
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464 | if ($para && $tag =~ /^\s*p\s/) {
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465 | $outtext .= "<Paragraph> ";
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466 | }
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467 | elsif ($tag =~ /^pre$/) { # a pre tag
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468 | $text =~ /<\/pre>/; # find the closing pre tag
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469 | my $tmp_text = $`; #everything before the closing pre tag
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470 | $text = $'; #everything after the </pre>
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471 | $tmp_text =~ s/[<>]//g; # remove all < and >
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472 | $outtext.= $tmp_text . " ";
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473 | }
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---|
474 | }
|
---|
475 |
|
---|
476 | $outtext .= $text; # add any remaining text
|
---|
477 | return $outtext;
|
---|
478 | } #if strip_html
|
---|
479 |
|
---|
480 | if ($para) {
|
---|
481 | $text =~ s/(<p\b)/<Paragraph>$1/gi;
|
---|
482 | return $text;
|
---|
483 | }
|
---|
484 | return $text;
|
---|
485 | }
|
---|
486 |
|
---|
487 |
|
---|
488 |
|
---|
489 | sub filter_text {
|
---|
490 | # $self->filter_text ($field, $new_text);
|
---|
491 | # don't want to do anything for this version, however,
|
---|
492 | # in a particular collection you might want to override
|
---|
493 | # this method to post-process certain fields depending on
|
---|
494 | # the field, or whether we are outputting it for indexing
|
---|
495 | }
|
---|
496 |
|
---|
497 | sub text {
|
---|
498 | my $self = shift (@_);
|
---|
499 | my ($doc_obj) = @_;
|
---|
500 | my $handle = $self->{'output_handle'};
|
---|
501 | my $indexed_doc = 1;
|
---|
502 |
|
---|
503 | # only output this document if it is one to be indexed
|
---|
504 | return if ($doc_obj->get_doc_type() ne "indexed_doc");
|
---|
505 |
|
---|
506 | # see if this document belongs to this subcollection
|
---|
507 | foreach my $indexexp (@{$self->{'indexexparr'}}) {
|
---|
508 | $indexed_doc = 0;
|
---|
509 | my ($field, $exp, $options) = split /\//, $indexexp;
|
---|
510 | if (defined ($field) && defined ($exp)) {
|
---|
511 | my ($bool) = $field =~ /^(.)/;
|
---|
512 | $field =~ s/^.// if $bool eq '!';
|
---|
513 | if ($field =~ /^filename$/i) {
|
---|
514 | $field = $doc_obj->get_source_filename();
|
---|
515 | } else {
|
---|
516 | $field = $doc_obj->get_metadata_element($doc_obj->get_top_section(), $field);
|
---|
517 | }
|
---|
518 | next unless defined $field;
|
---|
519 | if ($bool eq '!') {
|
---|
520 | if ($options =~ /^i$/i) {
|
---|
521 | if ($field !~ /$exp/i) {$indexed_doc = 1; last;}
|
---|
522 | } else {
|
---|
523 | if ($field !~ /$exp/) {$indexed_doc = 1; last;}
|
---|
524 | }
|
---|
525 | } else {
|
---|
526 | if ($options =~ /^i$/i) {
|
---|
527 | if ($field =~ /$exp/i) {$indexed_doc = 1; last;}
|
---|
528 | } else {
|
---|
529 | if ($field =~ /$exp/) {$indexed_doc = 1; last;}
|
---|
530 | }
|
---|
531 | }
|
---|
532 | }
|
---|
533 | }
|
---|
534 |
|
---|
535 | # this is another document
|
---|
536 | $self->{'num_docs'} += 1;
|
---|
537 |
|
---|
538 | # get the parameters for the output
|
---|
539 | my ($fields) = $self->{'index'};
|
---|
540 |
|
---|
541 | my ($sectiontag) = "";
|
---|
542 | if ($self->{'levels'}->{'Section'}) {
|
---|
543 | $sectiontag = "\n<Section>\n";
|
---|
544 | }
|
---|
545 | my ($paratag) = "";
|
---|
546 | if ($self->{'levels'}->{'Paragraph'}) {
|
---|
547 | $paratag = "<Paragraph>";
|
---|
548 | }
|
---|
549 | my $doc_section = 0; # just for this document
|
---|
550 | my $text = "<Document>\n";
|
---|
551 |
|
---|
552 | # get the text for this document
|
---|
553 | my $section = $doc_obj->get_top_section();
|
---|
554 | while (defined $section) {
|
---|
555 | # update a few statistics
|
---|
556 | $doc_section++;
|
---|
557 | $self->{'num_sections'} += 1;
|
---|
558 | $text .= $sectiontag;
|
---|
559 |
|
---|
560 | if ($indexed_doc) {
|
---|
561 | $self->{'num_bytes'} += $doc_obj->get_text_length ($section);
|
---|
562 | foreach my $field (split (/,/, $fields)) {
|
---|
563 | # only deal with this field if it doesn't start with top or
|
---|
564 | # this is the first section
|
---|
565 | my $real_field = $field;
|
---|
566 | if (!($real_field =~ s/^top//) || ($doc_section == 1)) {
|
---|
567 | my $new_text = "";
|
---|
568 | my $tmp_text = "";
|
---|
569 | if ($real_field eq "text") {
|
---|
570 | if ($self->{'indexing_text'}) { #tag the text with <Text>...</Text>, add the <Paragraph> tags and strip out html if needed
|
---|
571 | $new_text .= "<TX>\n";
|
---|
572 | $tmp_text .= $doc_obj->get_text ($section) if $self->{'store_text'};
|
---|
573 | $tmp_text = $self->preprocess_text($tmp_text, $self->{'strip_html'}, $self->{'levels'}->{'Paragraph'});
|
---|
574 |
|
---|
575 | $new_text .= "$tmp_text</TX>\n";
|
---|
576 | if (!defined $self->{'indexfields'}->{'TextOnly'}) {
|
---|
577 | $self->{'indexfields'}->{'TextOnly'} = 1;
|
---|
578 | }
|
---|
579 | }
|
---|
580 | else { # leave html stuff in, and dont add Paragraph tags - never retrieve paras at the moment
|
---|
581 | $new_text .= $doc_obj->get_text ($section) if $self->{'store_text'};
|
---|
582 | #if ($self->{'levels'}->{'Paragraph'}) {
|
---|
583 | #$self->find_paragraphs($new_text);
|
---|
584 | #}
|
---|
585 | }
|
---|
586 | } else { # metadata field
|
---|
587 | if ($real_field eq "metadata") { # insert all metadata
|
---|
588 | #except gsdl stuff
|
---|
589 | my $shortname = "";
|
---|
590 | my $metadata = $doc_obj->get_all_metadata ($section);
|
---|
591 | foreach $pair (@$metadata) {
|
---|
592 | my ($mfield, $mvalue) = (@$pair);
|
---|
593 | # check fields here, maybe others dont want - change to use dontindex!!
|
---|
594 | if ($mfield ne "Identifier" && $mfield ne "classifytype" && $mfield ne "assocfilepath" &&
|
---|
595 | $mfield !~ /^gsdl/ && defined $mvalue && $mvalue ne "") {
|
---|
596 |
|
---|
597 | if (defined $self->{'indexfieldmap'}->{$mfield}) {
|
---|
598 | $shortname = $self->{'indexfieldmap'}->{$mfield};
|
---|
599 | }
|
---|
600 | else {
|
---|
601 | $shortname = $self->create_shortname($mfield);
|
---|
602 | $self->{'indexfieldmap'}->{$mfield} = $shortname;
|
---|
603 | $self->{'indexfieldmap'}->{$shortname} = 1;
|
---|
604 | }
|
---|
605 | $new_text .= "$paratag<$shortname>$mvalue</$shortname>\n";
|
---|
606 | if (!defined $self->{'indexfields'}->{$mfield}) {
|
---|
607 | $self->{'indexfields'}->{$mfield} = 1;
|
---|
608 | }
|
---|
609 | }
|
---|
610 | }
|
---|
611 |
|
---|
612 | }
|
---|
613 | else { #individual metadata specified
|
---|
614 | my $shortname="";
|
---|
615 | if (!defined $self->{'indexfields'}->{$real_field}) {
|
---|
616 | $self->{'indexfields'}->{$real_field} = 1;
|
---|
617 | }
|
---|
618 | if (defined $self->{'indexfieldmap'}->{$real_field}) {
|
---|
619 | $shortname = $self->{'indexfieldmap'}->{$real_field};
|
---|
620 | }
|
---|
621 | else {
|
---|
622 | $shortname = $self->create_shortname($real_field);
|
---|
623 | $self->{'indexfieldmap'}->{$real_field} = $shortname;
|
---|
624 | $self->{'indexfieldmap'}->{$shortname} = 1;
|
---|
625 | }
|
---|
626 | foreach $item (@{$doc_obj->get_metadata ($section, $real_field)}) {
|
---|
627 | $new_text .= "$paratag<$shortname>$item</$shortname>\n";
|
---|
628 | }
|
---|
629 | }
|
---|
630 |
|
---|
631 | }
|
---|
632 |
|
---|
633 | # filter the text
|
---|
634 | $self->filter_text ($field, $new_text);
|
---|
635 |
|
---|
636 | $self->{'num_processed_bytes'} += length ($new_text);
|
---|
637 | $text .= "$new_text";
|
---|
638 | }
|
---|
639 | }
|
---|
640 | } # if (indexed_doc)
|
---|
641 |
|
---|
642 | $section = $doc_obj->get_next_section($section);
|
---|
643 | } #while defined section
|
---|
644 | print $handle "$text\n</Document>\n";
|
---|
645 | }
|
---|
646 |
|
---|
647 | sub create_shortname {
|
---|
648 | $self = shift(@_);
|
---|
649 |
|
---|
650 | my ($realname) = @_;
|
---|
651 | #take the first two chars
|
---|
652 | my ($shortname) = $realname =~ /^(\w\w)/;
|
---|
653 | $shortname =~ tr/a-z/A-Z/;
|
---|
654 |
|
---|
655 | #if already used, take the first and third letters and so on
|
---|
656 | $count = 1;
|
---|
657 | while (defined $self->{'indexfieldmap'}->{$shortname}) {
|
---|
658 | if ($realname =~ /^(\w).{$count}(\w)/) {
|
---|
659 | $shortname = "$1$2";
|
---|
660 | $count++;
|
---|
661 | $shortname =~ tr/a-z/A-Z/;
|
---|
662 |
|
---|
663 | }
|
---|
664 | else {
|
---|
665 | $realname =~ s/^.//;
|
---|
666 | $count = 0;
|
---|
667 | }
|
---|
668 | }
|
---|
669 |
|
---|
670 | return $shortname;
|
---|
671 | }
|
---|
672 |
|
---|
673 | 1;
|
---|
674 |
|
---|