| 1 | #!/usr/bin/perl
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| 2 |
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| 3 | ###########################################################################
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| 4 | #
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| 5 | # fromsearch.pl
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| 6 | #
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| 7 | # A component of the Greenstone digital library software
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| 8 | # from the New Zealand Digital Library Project at the
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| 9 | # University of Waikato, New Zealand.
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| 10 | #
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| 11 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 12 | #
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| 13 | # This program is free software; you can redistribute it and/or modify
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| 14 | # it under the terms of the GNU General Public License as published by
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| 15 | # the Free Software Foundation; either version 2 of the License, or
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| 16 | # (at your option) any later version.
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| 17 | #
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| 18 | # This program is distributed in the hope that it will be useful,
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| 19 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | # GNU General Public License for more details.
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| 22 | #
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| 23 | # You should have received a copy of the GNU General Public License
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| 24 | # along with this program; if not, write to the Free Software
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| 25 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 26 | #
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| 27 | ###########################################################################
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| 28 |
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| 29 | # This code generates a single page version of the Greenstone Interface
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| 30 | # Translation Agency when accessed from a search of the Macro Collection.
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| 31 | # This allows users to correct mistakes made in translations.
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| 32 |
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| 33 | BEGIN {
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| 34 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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| 35 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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| 36 | }
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| 37 |
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| 38 | use parsargv;
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| 39 | use util;
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| 40 | use Cwd;
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| 41 | use File::Basename;
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| 42 | use GDBM_File;
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| 43 | use CGI;
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| 44 | #require utf8;
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| 45 | #use unicode;
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| 46 |
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| 47 | &main(@ARGV);
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| 48 |
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| 49 | sub main {
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| 50 |
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| 51 | $macroname = shift(@_);
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| 52 | $language = shift(@_);
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| 53 | $baselanguage = shift(@_);
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| 54 |
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| 55 | $dir = util::filename_cat($ENV{'GSDLHOME'},"tmp","lang","gdbmfiles");
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| 56 |
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| 57 | #finds the macroname in the dbfiles
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| 58 | my $db1_blang = util::filename_cat($dir,$baselanguage.".db");
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| 59 | my $db1_lang = util::filename_cat($dir,language.".db");
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| 60 | my $db2_blang = util::filename_cat($dir,$baselanguage."2.db");
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| 61 | my $db2_lang = util::filename_cat($dir,language."2.db");
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| 62 |
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| 63 | my ($formhash) = &db_db_diffs ($db1_blang, $db1_lang, $macroname);
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| 64 | my ($formhash2) = &db_db_diffs($db2_blang, $db2_lang, $macroname);
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| 65 |
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| 66 | #puts results of above calls into one hash
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| 67 | $formhash = &combine_hashes($formhash,$formhash2);
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| 68 |
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| 69 | #generates form using the one macro and macrotext from above
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| 70 | &generate_form($formhash, $language, $baselanguage);
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| 71 |
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| 72 | }
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| 73 | #loops through each hash which is passed to it, appending each value
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| 74 | #to a new third hash. Returns the third hash as result.
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| 75 | sub combine_hashes {
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| 76 |
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| 77 | my ($hash1, $hash2) = @_;
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| 78 | my %combined = ();
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| 79 |
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| 80 | foreach $key (sort (keys %$hash1)) {
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| 81 | $combined{$key} = $hash1->{$key};
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| 82 | }
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| 83 | foreach $key (sort (keys %$hash2)) {
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| 84 | $combined{$key} = $hash2->{$key};
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| 85 | }
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| 86 |
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| 87 | return (\%combined);
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| 88 |
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| 89 | }
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| 90 |
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| 91 | sub db_db_diffs
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| 92 | {
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| 93 | my ($db_one, $db_two, $macroname) = @_;
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| 94 |
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| 95 | my %db1hash = ();
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| 96 | my %db2hash = ();
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| 97 | my %months = ("Jan",1,"Feb",2,"Mar",3,"Apr",4,"May",5,"Jun",6,
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| 98 | "Jul",7,"Aug",8,"Sep",9,"Oct",10,"Nov",11,"Dec",12);
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| 99 |
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| 100 | # this hash holds the database entries that are in
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| 101 | # english.db but not in $filename.db
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| 102 | my %diffhash = ();
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| 103 |
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| 104 | #ties the hash to database so when you read from hash it fetches from external
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| 105 | #database and when you set hash it writes to external database
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| 106 | tie(%db1hash, "GDBM_File", $db_one, GDBM_READER, 0640);
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| 107 | tie(%db2hash, "GDBM_File", $db_two, GDBM_READER, 0640);
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| 108 |
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| 109 | #the key is the name of the macro
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| 110 | foreach $key (sort keys(%db1hash)) {
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| 111 |
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| 112 | #the macro has to be in one of the dbfiles so just want to keep scrolling
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| 113 | #through until we hit it...
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| 114 | if ($key eq $macroname) {
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| 115 | $foreigntext = $db2hash{$key};
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| 116 | if ($foreigntext =~ m/\#\# /) {
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| 117 | $foreigntext = $& if ($foreigntext =~ m/\"(.|^)*\"/);
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| 118 | }
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| 119 | else {
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| 120 | $foreigntext =~ s/^.*\n//;
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| 121 | $foreigntext =~ s/.*\{//;
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| 122 | $foreigntext =~ s/\}\Z//;
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| 123 | $foreigntext =~ s/\n\Z//;
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| 124 | }
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| 125 | #puts the macroname as a key with the array containing the macro text in
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| 126 | #the base language and in the translation language
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| 127 | $diffhash{$key} = [$db1hash{$key}, $foreigntext];
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| 128 | }
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| 129 | }
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| 130 | untie %db1hash;
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| 131 | untie %db2hash;
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| 132 |
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| 133 | return \%diffhash;
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| 134 | }
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| 135 |
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| 136 | sub generate_form
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| 137 | {
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| 138 | my ($formhash) = shift(@_);
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| 139 | my $language = shift(@_);
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| 140 | my $baselanguage = shift(@_);
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| 141 | my $fs_fname = util::filename_cat($ENV{'GSDLHOME'},"tmp","lang",
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| 142 | "package_forms", "$lang", "fromsearch.lang");
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| 143 |
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| 144 | open (FILE, ">$fs_fname") or die "Unable to open $fs_fname: $!\n";
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| 145 | # common gateway interface for writing the stuff to the web
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| 146 | my $query = new CGI;
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| 147 |
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| 148 | #used to indicate whether or not content of table has been generated
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| 149 | my $processed = "false";
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| 150 |
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| 151 | #prints table headings and passes hidden data for page
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| 152 | print FILE ($query->hidden(-name=>"hiddenlanguage",-default=>"$language"),
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| 153 | $query->hidden(-name=>"baselanguage",-default=>"$baselanguage"),
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| 154 | "</center><table cellpadding=\"10\">\n",
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| 155 | "<tr><td><strong><center>".uc ($baselanguage)."</strong></center></td>\n",
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| 156 | "<td><strong><center>". uc ($language)."</strong></center></td></tr>\n");
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| 157 |
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| 158 |
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| 159 | foreach $key (keys(%$formhash)) {
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| 160 |
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| 161 | #changes to indicate hash did contain data and table content will be created
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| 162 | $processed = "true";
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| 163 |
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| 164 | #gets the base language text from the hash
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| 165 | my $text = $formhash->{$key}[0];
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| 166 | my $keyname = $key;
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| 167 | $keyname =~ s/_/\\_/g;
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| 168 | # strip off the date
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| 169 | $text =~ s/.*//;
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| 170 | $text =~ s/(\[l=.*\])//;
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| 171 |
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| 172 | # must take care of image macros single and multiple line ones
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| 173 | $text =~ s/(\<br\>\#\#.*\#\#\s*\<br\>).*/$1/g;
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| 174 |
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| 175 | # format the text for displaying in the browser
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| 176 | $text =~ s/[\{\}]//g unless($text =~ m/\#\# /);
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| 177 | $text =~ s/(\A\n)//;
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| 178 | $text =~ s/(\n\Z)//;
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| 179 |
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| 180 | #gets the translation language text from the hash
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| 181 | my $default = $formhash->{$key}[1];
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| 182 |
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| 183 | # so that when it is an image only get the text to translate not coding stuff aswell
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| 184 | if ($text =~ m/\#\# (^|.)*/) {
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| 185 | if ($& =~ m/".*"/) {
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| 186 | #prints to file two text fields, the left contains the base language text
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| 187 | #and cannot be modified, the right contains the translation language text
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| 188 | #to be modified and submitted
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| 189 | print FILE ("<tr><td>",
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| 190 |
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| 191 | $query->textfield(-name=>"whocares",
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| 192 | -default=>"$&",
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| 193 | -size=>50,
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| 194 | -readonly=>1),
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| 195 | "</td><td>",
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| 196 | $query->hidden(-name=>"$keyname",-default=>"$`"));
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| 197 | print FILE ($query->textfield(-name=>"$keyname",
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| 198 | -default=>"$default",
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| 199 | -size=>50));
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| 200 | print FILE ($query->hidden(-name=>"$keyname",-default=>"$'"),
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| 201 | "</td></tr>\n");
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| 202 | }
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| 203 | }
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| 204 | #else have a normal macro of form _this_
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| 205 | elsif ($text =~ m/\S+/) {
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| 206 | $text =~ s/\s+/ /g;
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| 207 |
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| 208 | $text =~ s/<p>/<p>\n/g;
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| 209 | $text =~ s/<br>/<br>\n/g;
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| 210 | $text =~ s/<\/td>/<\/td>\n/g;
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| 211 |
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| 212 | #see how long the macro text is to determine whether to use a text
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| 213 | #field or a text area
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| 214 | my @words = split(/ /, $text);
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| 215 | my $words = scalar(@words);
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| 216 | my $rows = sprintf("%.0f", $words/5);
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| 217 | print FILE ("<tr><td>\n");
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| 218 | #prints to file two text regions, the left contains the base language text
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| 219 | #and cannot be modified, the right contains the translation language text
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| 220 | #to be modified and submitted
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| 221 | if ($rows > 1) {
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| 222 | print FILE ($query->textarea(-name=>"whocares",
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| 223 | -rows=>$rows * 2,
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| 224 | -default=>"$text",
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| 225 | -columns=>50,
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| 226 | -readonly=>1),
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| 227 | "</td><td>\n",
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| 228 | $query->textarea(-name=>"$keyname",
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| 229 | -rows=>$rows * 2,
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| 230 | -default=>"$default",
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| 231 | -columns=>50),
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| 232 | "<br></td></tr>\n");
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| 233 | }
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| 234 | else {
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| 235 | print FILE ($query->textfield(-name=>"whocares",
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| 236 | -default=>"$text",
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| 237 | -size=>50,
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| 238 | -readonly=>1),
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| 239 | "</td><td>\n",
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| 240 | $query->textfield(-name=>"$keyname",
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| 241 | -default=>"$default",
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| 242 | -size=>50),
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| 243 | "<br></td></tr>\n");
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| 244 | }
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| 245 | }
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| 246 | }
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| 247 |
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| 248 | #catch where hash is empty and print appropriate error message for user
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| 249 | if ($processed eq "false") {
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| 250 | print FILE ("<tr><td colspan=2 align=center>",
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| 251 | "An error occurred while processing your request\n<br>",
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| 252 | "</td></tr>")
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| 253 | }
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| 254 |
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| 255 | #finishes table and adds a SUBMIT CHANGES option on the end
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| 256 | print FILE ("</table><br><center>\n",
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| 257 | "<table><tr><td align=left width=\"50%\">",
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| 258 | $query->reset("RESET FORM"),
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| 259 | "</td><td align=right width=\"50%\">",
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| 260 | $query->submit($pageno, "_textsubmit_"),
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| 261 | "</td></tr><tr><td width=\"50%\"></td><td align=right width=\"50%\">",
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| 262 | "<br> _textsubmittext_ \n",
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| 263 | "</td></tr></table>");
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| 264 |
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| 265 | # adds the CGI area just written to the array of CGI areas
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| 266 | push (@queries, $query);
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| 267 |
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| 268 | return $query;
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| 269 | }
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| 270 |
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