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 | # picklanguage.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 the front page of the Greenstone Interface Translation Agency
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30 | # which asks the user to pick their base language and translating language before
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31 | # proceeding into the translation pages
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32 |
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33 | BEGIN {
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34 | if (!defined($ENV{'GSDLHOME'})) {
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35 | print STDERR "GSDLHOME not set\n";
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36 | return 1;
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37 | }
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38 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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39 | }
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40 |
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41 |
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42 | use util;
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43 | use CGI;
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44 |
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45 |
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46 | sub main
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47 | {
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48 | my $gsdldir = "$ENV{'GSDLHOME'}";
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49 | # Read the languages available from etc/main.cfg
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50 | my $maincfg_fname = util::filename_cat($gsdldir, "etc", "main.cfg");
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51 | if (!open(MCFILE, "<$maincfg_fname")) {
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52 | print STDERR "Error: Could not open $maincfg_fname: $!\n";
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53 | return 2;
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54 | }
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55 |
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56 | my @languages;
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57 | my $line;
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58 | while (defined ($line=<MCFILE>)) {
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59 | chomp($line);
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60 | if ($line =~ m/^Language\s+/i) {
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61 | my @args = split(/ +/,$line);
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62 | my ($lang_abbr) = ($args[1] =~ m/^shortname=(.*)$/);
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63 | my ($lang_long) = ($args[2] =~ m/^longname=(.*)$/);
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64 | push(@languages, $lang_long);
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65 | }
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66 | }
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67 | close MCFILE;
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68 |
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69 | # Write the HTML content of the page to tmp/lang/picklanguage.lang
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70 | my $dir = util::filename_cat($gsdldir, "tmp", "lang");
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71 | # creates directory if it doesn't already exist
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72 | my $currentmask = umask;
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73 | umask(0000);
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74 | if (!-e $dir) {
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75 | if (! mkdir($dir, 0777)) {
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76 | print STDERR "Couldn't create directory $dir\n";
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77 | return 3;
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78 | }
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79 | }
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80 | my $picklang_fname = util::filename_cat($dir, "picklanguage.lang");
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81 |
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82 | # Make the file world writeable
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83 | if (! open(HTMLFILE,">$picklang_fname")) {
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84 | umask($currentmask);
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85 | print STDERR "Error: Could not create $picklang_fname: $!\n";
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86 | return 4;
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87 | }
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88 | umask($currentmask);
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89 |
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90 | # Writes to file the instructions on how to use the interface (_textinitial_)
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91 | # and then displays a table at the end with menu options from which the user
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92 | # selects their base and translation languages, and submits these choices
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93 | # to proceed into the interface translation agency
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94 | my $query = new CGI;
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95 | print HTMLFILE (" _textinitial_ <br>\n",
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96 | "<table border=\"2\" cellpadding=\"8\"><tr><td><center>",
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97 | "_textselectbase_ <p>\n",
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98 | $query->popup_menu(-name=>"bl",
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99 | -values=>\@languages,
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100 | -default=>'English'),
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101 | "<p></center></td><td><center>\n",
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102 | "_textselectforeign_ <p>\n",
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103 | $query->popup_menu(-name=>"tlng",
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104 | -values=>\@languages),
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105 | "<p>\n",
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106 | "_textselectnew_ <p>\n",
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107 | $query->textfield(-name=>"ownchoice",
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108 | -default=>"",
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109 | -size=>50),
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110 | "<p></center></td></tr></table>\n",
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111 | $query->submit("submitlanguage","_textenter_"),
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112 | "</center><p>\n",
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113 | "<center><img src=\"_httpimg_/divb.gif\"></center><p>");
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114 | close HTMLFILE;
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115 | return 0;
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116 | }
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117 |
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118 |
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119 | exit &main();
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