| [3181] | 1 | #
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| 2 | # Locale::Script - ISO codes for script identification (ISO 15924)
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| 3 | #
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| 4 | # $Id: Script.pm,v 2.7 2004/06/10 21:19:34 neilb Exp $
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| 5 | #
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| 6 |
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| 7 | package Locale::Script;
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| 8 | use strict;
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| 9 | require 5.002;
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| 10 |
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| 11 | require Exporter;
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| 12 | use Carp;
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| 13 | use Locale::Constants;
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| 14 |
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| 15 |
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| 16 | #-----------------------------------------------------------------------
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| 17 | # Public Global Variables
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| 18 | #-----------------------------------------------------------------------
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| 19 | use vars qw($VERSION @ISA @EXPORT @EXPORT_OK);
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| 20 | $VERSION = sprintf("%d.%02d", q$Revision: 2.7 $ =~ /(\d+)\.(\d+)/);
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| 21 | @ISA = qw(Exporter);
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| 22 | @EXPORT = qw(code2script script2code
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| 23 | all_script_codes all_script_names
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| 24 | script_code2code
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| 25 | LOCALE_CODE_ALPHA_2 LOCALE_CODE_ALPHA_3 LOCALE_CODE_NUMERIC);
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| 26 |
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| 27 | #-----------------------------------------------------------------------
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| 28 | # Private Global Variables
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| 29 | #-----------------------------------------------------------------------
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| 30 | my $CODES = [];
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| 31 | my $COUNTRIES = [];
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| 32 |
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| 33 |
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| 34 | #=======================================================================
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| 35 | #
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| 36 | # code2script ( CODE [, CODESET ] )
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| 37 | #
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| 38 | #=======================================================================
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| 39 | sub code2script
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| 40 | {
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| 41 | my $code = shift;
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| 42 | my $codeset = @_ > 0 ? shift : LOCALE_CODE_DEFAULT;
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| 43 |
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| 44 |
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| 45 | return undef unless defined $code;
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| 46 |
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| 47 | #-------------------------------------------------------------------
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| 48 | # Make sure the code is in the right form before we use it
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| 49 | # to look up the corresponding script.
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| 50 | # We have to sprintf because the codes are given as 3-digits,
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| 51 | # with leading 0's. Eg 070 for Egyptian demotic.
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| 52 | #-------------------------------------------------------------------
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| 53 | if ($codeset == LOCALE_CODE_NUMERIC)
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| 54 | {
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| 55 | return undef if ($code =~ /\D/);
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| 56 | $code = sprintf("%.3d", $code);
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| 57 | }
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| 58 | else
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| 59 | {
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| 60 | $code = lc($code);
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| 61 | }
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| 62 |
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| 63 | if (exists $CODES->[$codeset]->{$code})
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| 64 | {
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| 65 | return $CODES->[$codeset]->{$code};
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| 66 | }
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| 67 | else
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| 68 | {
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| 69 | #---------------------------------------------------------------
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| 70 | # no such script code!
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| 71 | #---------------------------------------------------------------
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| 72 | return undef;
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| 73 | }
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| 74 | }
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| 75 |
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| 76 |
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| 77 | #=======================================================================
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| 78 | #
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| 79 | # script2code ( SCRIPT [, CODESET ] )
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| 80 | #
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| 81 | #=======================================================================
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| 82 | sub script2code
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| 83 | {
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| 84 | my $script = shift;
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| 85 | my $codeset = @_ > 0 ? shift : LOCALE_CODE_DEFAULT;
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| 86 |
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| 87 |
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| 88 | return undef unless defined $script;
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| 89 | $script = lc($script);
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| 90 | if (exists $COUNTRIES->[$codeset]->{$script})
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| 91 | {
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| 92 | return $COUNTRIES->[$codeset]->{$script};
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| 93 | }
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| 94 | else
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| 95 | {
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| 96 | #---------------------------------------------------------------
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| 97 | # no such script!
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| 98 | #---------------------------------------------------------------
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| 99 | return undef;
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| 100 | }
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| 101 | }
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| 102 |
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| 103 |
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| 104 | #=======================================================================
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| 105 | #
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| 106 | # script_code2code ( CODE, IN-CODESET, OUT-CODESET )
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| 107 | #
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| 108 | #=======================================================================
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| 109 | sub script_code2code
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| 110 | {
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| 111 | (@_ == 3) or croak "script_code2code() takes 3 arguments!";
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| 112 |
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| 113 | my $code = shift;
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| 114 | my $inset = shift;
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| 115 | my $outset = shift;
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| 116 | my $outcode;
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| 117 | my $script;
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| 118 |
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| 119 |
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| 120 | return undef if $inset == $outset;
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| 121 | $script = code2script($code, $inset);
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| 122 | return undef if not defined $script;
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| 123 | $outcode = script2code($script, $outset);
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| 124 | return $outcode;
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| 125 | }
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| 126 |
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| 127 |
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| 128 | #=======================================================================
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| 129 | #
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| 130 | # all_script_codes()
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| 131 | #
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| 132 | #=======================================================================
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| 133 | sub all_script_codes
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| 134 | {
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| 135 | my $codeset = @_ > 0 ? shift : LOCALE_CODE_DEFAULT;
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| 136 |
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| 137 | return keys %{ $CODES->[$codeset] };
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| 138 | }
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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 | # all_script_names()
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| 144 | #
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| 145 | #=======================================================================
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| 146 | sub all_script_names
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| 147 | {
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| 148 | my $codeset = @_ > 0 ? shift : LOCALE_CODE_DEFAULT;
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| 149 |
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| 150 | return values %{ $CODES->[$codeset] };
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| 151 | }
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| 152 |
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| 153 |
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| 154 | #=======================================================================
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| 155 | #
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| 156 | # initialisation code - stuff the DATA into the ALPHA2 hash
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| 157 | #
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| 158 | #=======================================================================
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| 159 | {
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| 160 | my ($alpha2, $alpha3, $numeric);
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| 161 | my $script;
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| 162 | local $_;
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| 163 |
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| 164 |
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| 165 | while (<DATA>)
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| 166 | {
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| 167 | next unless /\S/;
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| 168 | chop;
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| 169 | ($alpha2, $alpha3, $numeric, $script) = split(/:/, $_, 4);
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| 170 |
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| 171 | $CODES->[LOCALE_CODE_ALPHA_2]->{$alpha2} = $script;
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| 172 | $COUNTRIES->[LOCALE_CODE_ALPHA_2]->{"\L$script"} = $alpha2;
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| 173 |
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| 174 | if ($alpha3)
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| 175 | {
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| 176 | $CODES->[LOCALE_CODE_ALPHA_3]->{$alpha3} = $script;
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| 177 | $COUNTRIES->[LOCALE_CODE_ALPHA_3]->{"\L$script"} = $alpha3;
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| 178 | }
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| 179 |
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| 180 | if ($numeric)
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| 181 | {
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| 182 | $CODES->[LOCALE_CODE_NUMERIC]->{$numeric} = $script;
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| 183 | $COUNTRIES->[LOCALE_CODE_NUMERIC]->{"\L$script"} = $numeric;
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| 184 | }
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| 185 |
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| 186 | }
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| 187 |
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| 188 | close(DATA);
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| 189 | }
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| 190 |
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| 191 | 1;
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| 192 |
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| 193 | __DATA__
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| 194 | am:ama:130:Aramaic
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| 195 | ar:ara:160:Arabic
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| 196 | av:ave:151:Avestan
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| 197 | bh:bhm:300:Brahmi (Ashoka)
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| 198 | bi:bid:372:Buhid
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| 199 | bn:ben:325:Bengali
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| 200 | bo:bod:330:Tibetan
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| 201 | bp:bpm:285:Bopomofo
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| 202 | br:brl:570:Braille
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| 203 | bt:btk:365:Batak
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| 204 | bu:bug:367:Buginese (Makassar)
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| 205 | by:bys:550:Blissymbols
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| 206 | ca:cam:358:Cham
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| 207 | ch:chu:221:Old Church Slavonic
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| 208 | ci:cir:291:Cirth
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| 209 | cm:cmn:402:Cypro-Minoan
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| 210 | co:cop:205:Coptic
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| 211 | cp:cpr:403:Cypriote syllabary
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| 212 | cy:cyr:220:Cyrillic
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| 213 | ds:dsr:250:Deserel (Mormon)
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| 214 | dv:dvn:315:Devanagari (Nagari)
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| 215 | ed:egd:070:Egyptian demotic
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| 216 | eg:egy:050:Egyptian hieroglyphs
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| 217 | eh:egh:060:Egyptian hieratic
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| 218 | el:ell:200:Greek
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| 219 | eo:eos:210:Etruscan and Oscan
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| 220 | et:eth:430:Ethiopic
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| 221 | gl:glg:225:Glagolitic
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| 222 | gm:gmu:310:Gurmukhi
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| 223 | gt:gth:206:Gothic
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| 224 | gu:guj:320:Gujarati
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| 225 | ha:han:500:Han ideographs
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| 226 | he:heb:125:Hebrew
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| 227 | hg:hgl:420:Hangul
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| 228 | hm:hmo:450:Pahawh Hmong
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| 229 | ho:hoo:371:Hanunoo
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| 230 | hr:hrg:410:Hiragana
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| 231 | hu:hun:176:Old Hungarian runic
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| 232 | hv:hvn:175:Kok Turki runic
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| 233 | hy:hye:230:Armenian
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| 234 | iv:ivl:610:Indus Valley
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| 235 | ja:jap:930:(alias for Han + Hiragana + Katakana)
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| 236 | jl:jlg:445:Cherokee syllabary
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| 237 | jw:jwi:360:Javanese
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| 238 | ka:kam:241:Georgian (Mxedruli)
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| 239 | kh:khn:931:(alias for Hangul + Han)
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| 240 | kk:kkn:411:Katakana
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| 241 | km:khm:354:Khmer
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| 242 | kn:kan:345:Kannada
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| 243 | kr:krn:357:Karenni (Kayah Li)
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| 244 | ks:kst:305:Kharoshthi
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| 245 | kx:kax:240:Georgian (Xucuri)
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| 246 | la:lat:217:Latin
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| 247 | lf:laf:215:Latin (Fraktur variant)
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| 248 | lg:lag:216:Latin (Gaelic variant)
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| 249 | lo:lao:356:Lao
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| 250 | lp:lpc:335:Lepcha (Rong)
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| 251 | md:mda:140:Mandaean
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| 252 | me:mer:100:Meroitic
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| 253 | mh:may:090:Mayan hieroglyphs
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| 254 | ml:mlm:347:Malayalam
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| 255 | mn:mon:145:Mongolian
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| 256 | my:mya:350:Burmese
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| 257 | na:naa:400:Linear A
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| 258 | nb:nbb:401:Linear B
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| 259 | og:ogm:212:Ogham
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| 260 | or:ory:327:Oriya
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| 261 | os:osm:260:Osmanya
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| 262 | ph:phx:115:Phoenician
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| 263 | ph:pah:150:Pahlavi
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| 264 | pl:pld:282:Pollard Phonetic
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| 265 | pq:pqd:295:Klingon plQaD
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| 266 | pr:prm:227:Old Permic
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| 267 | ps:pst:600:Phaistos Disk
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| 268 | rn:rnr:211:Runic (Germanic)
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| 269 | rr:rro:620:Rongo-rongo
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| 270 | sa:sar:110:South Arabian
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| 271 | si:sin:348:Sinhala
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| 272 | sj:syj:137:Syriac (Jacobite variant)
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| 273 | sl:slb:440:Unified Canadian Aboriginal Syllabics
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| 274 | sn:syn:136:Syriac (Nestorian variant)
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| 275 | sw:sww:281:Shavian (Shaw)
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| 276 | sy:syr:135:Syriac (Estrangelo)
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| 277 | ta:tam:346:Tamil
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| 278 | tb:tbw:373:Tagbanwa
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| 279 | te:tel:340:Telugu
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| 280 | tf:tfn:120:Tifnagh
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| 281 | tg:tag:370:Tagalog
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| 282 | th:tha:352:Thai
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| 283 | tn:tna:170:Thaana
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| 284 | tw:twr:290:Tengwar
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| 285 | va:vai:470:Vai
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| 286 | vs:vsp:280:Visible Speech
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| 287 | xa:xas:000:Cuneiform, Sumero-Akkadian
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| 288 | xf:xfa:105:Cuneiform, Old Persian
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| 289 | xk:xkn:412:(alias for Hiragana + Katakana)
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| 290 | xu:xug:106:Cuneiform, Ugaritic
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| 291 | yi:yii:460:Yi
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| 292 | zx:zxx:997:Unwritten language
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| 293 | zy:zyy:998:Undetermined script
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| 294 | zz:zzz:999:Uncoded script
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