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| f768f60b |
1 | package Locale::Codes; |
| 2 | # Copyright (C) 2001 Canon Research Centre Europe (CRE). |
| 3 | # Copyright (C) 2002-2009 Neil Bowers |
| 4 | # Copyright (c) 2010-2010 Sullivan Beck |
| 5 | # This program is free software; you can redistribute it and/or modify it |
| 6 | # under the same terms as Perl itself. |
| 7 | |
| 8 | use strict; |
| 9 | use warnings; |
| 10 | require 5.002; |
| 11 | |
| 12 | use Carp; |
| 13 | |
| 14 | #======================================================================= |
| 15 | # Public Global Variables |
| 16 | #======================================================================= |
| 17 | |
| 18 | # This module is not called directly... %Data is filled in by the |
| 19 | # calling modules. |
| 20 | |
| 21 | use vars qw($VERSION %Data); |
| 22 | |
| 23 | # $Data{ TYPE }{ code2id }{ CODESET } { CODE } = [ ID, I ] |
| 24 | # { id2code }{ CODESET } { ID } = CODE |
| 25 | # { id2names }{ ID } = [ NAME, NAME, ... ] |
| 26 | # { alias2id }{ NAME } = [ ID, I ] |
| 27 | # { id } = FIRST_UNUSED_ID |
| 28 | # { codealias }{ CODESET } { ALIAS } = CODE |
| 29 | |
| 30 | $VERSION='3.12'; |
| 31 | |
| 32 | #======================================================================= |
| 33 | # |
| 34 | # _code2name ( TYPE,CODE,CODESET ) |
| 35 | # |
| 36 | #======================================================================= |
| 37 | |
| 38 | sub _code2name { |
| 39 | my($type,$code,$codeset) = @_; |
| 40 | |
| 41 | $code = $Data{$type}{'codealias'}{$codeset}{$code} |
| 42 | if (exists $Data{$type}{'codealias'}{$codeset}{$code}); |
| 43 | |
| 44 | if (exists $Data{$type}{'code2id'}{$codeset} && |
| 45 | exists $Data{$type}{'code2id'}{$codeset}{$code}) { |
| 46 | my ($id,$i) = @{ $Data{$type}{'code2id'}{$codeset}{$code} }; |
| 47 | my $name = $Data{$type}{'id2names'}{$id}[$i]; |
| 48 | return $name; |
| 49 | } else { |
| 50 | #--------------------------------------------------------------- |
| 51 | # no such code! |
| 52 | #--------------------------------------------------------------- |
| 53 | return undef; |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | #======================================================================= |
| 58 | # |
| 59 | # _name2code ( TYPE,NAME,CODESET ) |
| 60 | # |
| 61 | #======================================================================= |
| 62 | |
| 63 | sub _name2code { |
| 64 | my($type,$name,$codeset) = @_; |
| 65 | $name = "" if (! $name); |
| 66 | $name = lc($name); |
| 67 | |
| 68 | if (exists $Data{$type}{'alias2id'}{$name}) { |
| 69 | my $id = $Data{$type}{'alias2id'}{$name}[0]; |
| 70 | if (exists $Data{$type}{'id2code'}{$codeset}{$id}) { |
| 71 | return $Data{$type}{'id2code'}{$codeset}{$id}; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | #--------------------------------------------------------------- |
| 76 | # no such name! |
| 77 | #--------------------------------------------------------------- |
| 78 | return undef; |
| 79 | } |
| 80 | |
| 81 | #======================================================================= |
| 82 | # |
| 83 | # _code2code ( TYPE,CODE,CODESET ) |
| 84 | # |
| 85 | #======================================================================= |
| 86 | |
| 87 | sub _code2code { |
| 88 | my($type,$code,$inset,$outset) = @_; |
| 89 | |
| 90 | my $name = _code2name($type,$code,$inset); |
| 91 | my $outcode = _name2code($type,$name,$outset); |
| 92 | return $outcode; |
| 93 | } |
| 94 | |
| 95 | #======================================================================= |
| 96 | # |
| 97 | # _all_codes ( TYPE,CODESET ) |
| 98 | # |
| 99 | #======================================================================= |
| 100 | |
| 101 | sub _all_codes { |
| 102 | my($type,$codeset) = @_; |
| 103 | |
| 104 | if (! exists $Data{$type}{'code2id'}{$codeset}) { |
| 105 | return (); |
| 106 | } |
| 107 | my @codes = keys %{ $Data{$type}{'code2id'}{$codeset} }; |
| 108 | return (sort @codes); |
| 109 | } |
| 110 | |
| 111 | #======================================================================= |
| 112 | # |
| 113 | # _all_names ( TYPE,CODESET ) |
| 114 | # |
| 115 | #======================================================================= |
| 116 | |
| 117 | sub _all_names { |
| 118 | my($type,$codeset) = @_; |
| 119 | |
| 120 | my @codes = _all_codes($type,$codeset); |
| 121 | return () if (! @codes); |
| 122 | my @names; |
| 123 | |
| 124 | foreach my $code (@codes) { |
| 125 | my($id,$i) = @{ $Data{$type}{'code2id'}{$codeset}{$code} }; |
| 126 | my $name = $Data{$type}{'id2names'}{$id}[$i]; |
| 127 | push(@names,$name); |
| 128 | } |
| 129 | return (sort @names); |
| 130 | } |
| 131 | |
| 132 | #======================================================================= |
| 133 | # |
| 134 | # _rename ( TYPE,CODE,NAME,CODESET ) |
| 135 | # |
| 136 | # Change the official name for a code. The original is retained |
| 137 | # as an alias, but the new name will be returned if you lookup the |
| 138 | # name from code. |
| 139 | # |
| 140 | #======================================================================= |
| 141 | |
| 142 | sub _rename { |
| 143 | my($type,$code,$new_name,$codeset,$nowarn) = @_; |
| 144 | |
| 145 | if (! $codeset) { |
| 146 | carp "rename_$type(): unknown codeset\n" unless ($nowarn); |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | $code = $Data{$type}{'codealias'}{$codeset}{$code} |
| 151 | if (exists $Data{$type}{'codealias'}{$codeset}{$code}); |
| 152 | |
| 153 | # Check that $code exists in the codeset. |
| 154 | |
| 155 | my $id; |
| 156 | if (exists $Data{$type}{'code2id'}{$codeset}{$code}) { |
| 157 | $id = $Data{$type}{'code2id'}{$codeset}{$code}[0]; |
| 158 | } else { |
| 159 | carp "rename_$type(): unknown code: $code\n" unless ($nowarn); |
| 160 | return 0; |
| 161 | } |
| 162 | |
| 163 | # Cases: |
| 164 | # 1. Renaming to a name which exists with a different ID |
| 165 | # Error |
| 166 | # |
| 167 | # 2. Renaming to a name which exists with the same ID |
| 168 | # Just change code2id (I value) |
| 169 | # |
| 170 | # 3. Renaming to a new name |
| 171 | # Create a new alias |
| 172 | # Change code2id (I value) |
| 173 | |
| 174 | if (exists $Data{$type}{'alias2id'}{lc($new_name)}) { |
| 175 | # Existing name (case 1 and 2) |
| 176 | |
| 177 | my ($new_id,$i) = @{ $Data{$type}{'alias2id'}{lc($new_name)} }; |
| 178 | if ($new_id != $id) { |
| 179 | # Case 1 |
| 180 | carp "rename_$type(): rename to an existing $type not allowed\n" |
| 181 | unless ($nowarn); |
| 182 | return 0; |
| 183 | } |
| 184 | |
| 185 | # Case 2 |
| 186 | |
| 187 | $Data{$type}{'code2id'}{$codeset}{$code}[1] = $i; |
| 188 | |
| 189 | } else { |
| 190 | |
| 191 | # Case 3 |
| 192 | |
| 193 | push @{ $Data{$type}{'id2names'}{$id} },$new_name; |
| 194 | my $i = $#{ $Data{$type}{'id2names'}{$id} }; |
| 195 | $Data{$type}{'alias2id'}{lc($new_name)} = [ $id,$i ]; |
| 196 | $Data{$type}{'code2id'}{$codeset}{$code}[1] = $i; |
| 197 | } |
| 198 | |
| 199 | return 1; |
| 200 | } |
| 201 | |
| 202 | #======================================================================= |
| 203 | # |
| 204 | # _add_code ( TYPE,CODE,NAME,CODESET ) |
| 205 | # |
| 206 | # Add a new code to the codeset. Both CODE and NAME must be |
| 207 | # unused in the code set. |
| 208 | # |
| 209 | #======================================================================= |
| 210 | |
| 211 | sub _add_code { |
| 212 | my($type,$code,$name,$codeset,$nowarn) = @_; |
| 213 | |
| 214 | if (! $codeset) { |
| 215 | carp "add_$type(): unknown codeset\n" unless ($nowarn); |
| 216 | return 0; |
| 217 | } |
| 218 | |
| 219 | # Check that $code is unused. |
| 220 | |
| 221 | if (exists $Data{$type}{'code2id'}{$codeset}{$code} || |
| 222 | exists $Data{$type}{'codealias'}{$codeset}{$code}) { |
| 223 | carp "add_$type(): code already in use: $code\n" unless ($nowarn); |
| 224 | return 0; |
| 225 | } |
| 226 | |
| 227 | # Check to see that $name is unused in this code set. If it is |
| 228 | # used (but not in this code set), we'll use that ID. Otherwise, |
| 229 | # we'll need to get the next available ID. |
| 230 | |
| 231 | my ($id,$i); |
| 232 | if (exists $Data{$type}{'alias2id'}{lc($name)}) { |
| 233 | ($id,$i) = @{ $Data{$type}{'alias2id'}{lc($name)} }; |
| 234 | if (exists $Data{$type}{'id2code'}{$codeset}{$id}) { |
| 235 | carp "add_$type(): name already in use: $name\n" unless ($nowarn); |
| 236 | return 0; |
| 237 | } |
| 238 | |
| 239 | } else { |
| 240 | $id = $Data{$type}{'id'}++; |
| 241 | $i = 0; |
| 242 | $Data{$type}{'alias2id'}{lc($name)} = [ $id,$i ]; |
| 243 | $Data{$type}{'id2names'}{$id} = [ $name ]; |
| 244 | } |
| 245 | |
| 246 | # Add the new code |
| 247 | |
| 248 | $Data{$type}{'code2id'}{$codeset}{$code} = [ $id,$i ]; |
| 249 | $Data{$type}{'id2code'}{$codeset}{$id} = $code; |
| 250 | |
| 251 | return 1; |
| 252 | } |
| 253 | |
| 254 | #======================================================================= |
| 255 | # |
| 256 | # _delete_code ( TYPE,CODE,CODESET ) |
| 257 | # |
| 258 | # Delete a code from the codeset. |
| 259 | # |
| 260 | #======================================================================= |
| 261 | |
| 262 | sub _delete_code { |
| 263 | my($type,$code,$codeset,$nowarn) = @_; |
| 264 | |
| 265 | if (! $codeset) { |
| 266 | carp "delete_$type(): unknown codeset\n" unless ($nowarn); |
| 267 | return 0; |
| 268 | } |
| 269 | |
| 270 | $code = $Data{$type}{'codealias'}{$codeset}{$code} |
| 271 | if (exists $Data{$type}{'codealias'}{$codeset}{$code}); |
| 272 | |
| 273 | # Check that $code is valid. |
| 274 | |
| 275 | if (! exists $Data{$type}{'code2id'}{$codeset}{$code}) { |
| 276 | carp "delete_$type(): code does not exist: $code\n" unless ($nowarn); |
| 277 | return 0; |
| 278 | } |
| 279 | |
| 280 | # Delete the code |
| 281 | |
| 282 | my $id = $Data{$type}{'code2id'}{$codeset}{$code}[0]; |
| 283 | delete $Data{$type}{'code2id'}{$codeset}{$code}; |
| 284 | delete $Data{$type}{'id2code'}{$codeset}{$id}; |
| 285 | |
| 286 | # Delete any aliases that are linked to this code |
| 287 | |
| 288 | foreach my $alias (keys %{ $Data{$type}{'codealias'}{$codeset} }) { |
| 289 | next if ($Data{$type}{'codealias'}{$codeset}{$alias} ne $code); |
| 290 | delete $Data{$type}{'codealias'}{$codeset}{$alias}; |
| 291 | } |
| 292 | |
| 293 | # If this ID is not used in any other codeset, delete it completely. |
| 294 | |
| 295 | foreach my $c (keys %{ $Data{$type}{'id2code'} }) { |
| 296 | return 1 if (exists $Data{$type}{'id2code'}{$c}{$id}); |
| 297 | } |
| 298 | |
| 299 | my @names = @{ $Data{$type}{'id2names'}{$id} }; |
| 300 | delete $Data{$type}{'id2names'}{$id}; |
| 301 | |
| 302 | foreach my $name (@names) { |
| 303 | delete $Data{$type}{'alias2id'}{lc($name)}; |
| 304 | } |
| 305 | |
| 306 | return 1; |
| 307 | } |
| 308 | |
| 309 | #======================================================================= |
| 310 | # |
| 311 | # _add_alias ( TYPE,NAME,NEW_NAME ) |
| 312 | # |
| 313 | # Add a new alias. NAME must exist, and NEW_NAME must be unused. |
| 314 | # |
| 315 | #======================================================================= |
| 316 | |
| 317 | sub _add_alias { |
| 318 | my($type,$name,$new_name,$nowarn) = @_; |
| 319 | |
| 320 | # Check that $name is used and $new_name is new. |
| 321 | |
| 322 | my($id); |
| 323 | if (exists $Data{$type}{'alias2id'}{lc($name)}) { |
| 324 | $id = $Data{$type}{'alias2id'}{lc($name)}[0]; |
| 325 | } else { |
| 326 | carp "add_${type}_alias(): name does not exist: $name\n" unless ($nowarn); |
| 327 | return 0; |
| 328 | } |
| 329 | |
| 330 | if (exists $Data{$type}{'alias2id'}{lc($new_name)}) { |
| 331 | carp "add_${type}_alias(): alias already in use: $new_name\n" unless ($nowarn); |
| 332 | return 0; |
| 333 | } |
| 334 | |
| 335 | # Add the new alias |
| 336 | |
| 337 | push @{ $Data{$type}{'id2names'}{$id} },$new_name; |
| 338 | my $i = $#{ $Data{$type}{'id2names'}{$id} }; |
| 339 | $Data{$type}{'alias2id'}{lc($new_name)} = [ $id,$i ]; |
| 340 | |
| 341 | return 1; |
| 342 | } |
| 343 | |
| 344 | #======================================================================= |
| 345 | # |
| 346 | # _delete_alias ( TYPE,NAME ) |
| 347 | # |
| 348 | # This deletes a name from the list of names used by an element. |
| 349 | # NAME must be used, but must NOT be the only name in the list. |
| 350 | # |
| 351 | # Any id2name that references this name will be changed to |
| 352 | # refer to the first name in the list. |
| 353 | # |
| 354 | #======================================================================= |
| 355 | |
| 356 | sub _delete_alias { |
| 357 | my($type,$name,$nowarn) = @_; |
| 358 | |
| 359 | # Check that $name is used. |
| 360 | |
| 361 | my($id,$i); |
| 362 | if (exists $Data{$type}{'alias2id'}{lc($name)}) { |
| 363 | ($id,$i) = @{ $Data{$type}{'alias2id'}{lc($name)} }; |
| 364 | } else { |
| 365 | carp "delete_${type}_alias(): name does not exist: $name\n" unless ($nowarn); |
| 366 | return 0; |
| 367 | } |
| 368 | |
| 369 | my $n = $#{ $Data{$type}{'id2names'}{$id} }; |
| 370 | if ($n == 1) { |
| 371 | carp "delete_${type}_alias(): only one name defined (use _delete_${type} instead)\n" |
| 372 | unless ($nowarn); |
| 373 | return 0; |
| 374 | } |
| 375 | |
| 376 | # Delete the alias. |
| 377 | |
| 378 | splice (@{ $Data{$type}{'id2names'}{$id} },$i,1); |
| 379 | delete $Data{$type}{'alias2id'}{lc($name)}; |
| 380 | |
| 381 | # Every element that refers to this ID: |
| 382 | # Ignore if I < $i |
| 383 | # Set to 0 if I = $i |
| 384 | # Decrement if I > $i |
| 385 | |
| 386 | foreach my $codeset (keys %{ $Data{'code2id'} }) { |
| 387 | foreach my $code (keys %{ $Data{'code2id'}{$codeset} }) { |
| 388 | my($jd,$j) = @{ $Data{'code2id'}{$codeset}{$code} }; |
| 389 | next if ($jd ne $id || |
| 390 | $j < $i); |
| 391 | if ($i == $j) { |
| 392 | $Data{'code2id'}{$codeset}{$code}[1] = 0; |
| 393 | } else { |
| 394 | $Data{'code2id'}{$codeset}{$code}[1]--; |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | return 1; |
| 400 | } |
| 401 | |
| 402 | #======================================================================= |
| 403 | # |
| 404 | # _rename_code ( TYPE,CODE,NEW_CODE,CODESET ) |
| 405 | # |
| 406 | # Change the official code. The original is retained as an alias, but |
| 407 | # the new name will be returned if you lookup the code from name. |
| 408 | # |
| 409 | #======================================================================= |
| 410 | |
| 411 | sub _rename_code { |
| 412 | my($type,$code,$new_code,$codeset,$nowarn) = @_; |
| 413 | |
| 414 | if (! $codeset) { |
| 415 | carp "rename_$type(): unknown codeset\n" unless ($nowarn); |
| 416 | return 0; |
| 417 | } |
| 418 | |
| 419 | $code = $Data{$type}{'codealias'}{$codeset}{$code} |
| 420 | if (exists $Data{$type}{'codealias'}{$codeset}{$code}); |
| 421 | |
| 422 | # Check that $code exists in the codeset. |
| 423 | |
| 424 | if (! exists $Data{$type}{'code2id'}{$codeset}{$code}) { |
| 425 | carp "rename_$type(): unknown code: $code\n" unless ($nowarn); |
| 426 | return 0; |
| 427 | } |
| 428 | |
| 429 | # Cases: |
| 430 | # 1. Renaming code to an existing alias of this code: |
| 431 | # Make the alias real and the code an alias |
| 432 | # |
| 433 | # 2. Renaming code to some other existing alias: |
| 434 | # Error |
| 435 | # |
| 436 | # 3. Renaming code to some other code: |
| 437 | # Error ( |
| 438 | # |
| 439 | # 4. Renaming code to a new code: |
| 440 | # Make code into an alias |
| 441 | # Replace code with new_code. |
| 442 | |
| 443 | if (exists $Data{$type}{'codealias'}{$codeset}{$new_code}) { |
| 444 | # Cases 1 and 2 |
| 445 | if ($Data{$type}{'codealias'}{$codeset}{$new_code} eq $code) { |
| 446 | # Case 1 |
| 447 | |
| 448 | delete $Data{$type}{'codealias'}{$codeset}{$new_code}; |
| 449 | |
| 450 | } else { |
| 451 | # Case 2 |
| 452 | carp "rename_$type(): new code already in use: $new_code\n" unless ($nowarn); |
| 453 | return 0; |
| 454 | } |
| 455 | |
| 456 | } elsif (exists $Data{$type}{'code2id'}{$codeset}{$new_code}) { |
| 457 | # Case 3 |
| 458 | carp "rename_$type(): new code already in use: $new_code\n" unless ($nowarn); |
| 459 | return 0; |
| 460 | } |
| 461 | |
| 462 | # Cases 1 and 4 |
| 463 | |
| 464 | $Data{$type}{'codealias'}{$codeset}{$code} = $new_code; |
| 465 | |
| 466 | my $id = $Data{$type}{'code2id'}{$codeset}{$code}[0]; |
| 467 | $Data{$type}{'code2id'}{$codeset}{$new_code} = $Data{$type}{'code2id'}{$codeset}{$code}; |
| 468 | delete $Data{$type}{'code2id'}{$codeset}{$code}; |
| 469 | |
| 470 | $Data{$type}{'id2code'}{$codeset}{$id} = $new_code; |
| 471 | |
| 472 | return 1; |
| 473 | } |
| 474 | |
| 475 | #======================================================================= |
| 476 | # |
| 477 | # _add_code_alias ( TYPE,CODE,NEW_CODE,CODESET ) |
| 478 | # |
| 479 | # Adds an alias for the code. |
| 480 | # |
| 481 | #======================================================================= |
| 482 | |
| 483 | sub _add_code_alias { |
| 484 | my($type,$code,$new_code,$codeset,$nowarn) = @_; |
| 485 | |
| 486 | if (! $codeset) { |
| 487 | carp "add_${type}_code_alias(): unknown codeset\n" unless ($nowarn); |
| 488 | return 0; |
| 489 | } |
| 490 | |
| 491 | $code = $Data{$type}{'codealias'}{$codeset}{$code} |
| 492 | if (exists $Data{$type}{'codealias'}{$codeset}{$code}); |
| 493 | |
| 494 | # Check that $code exists in the codeset and that $new_code |
| 495 | # does not exist. |
| 496 | |
| 497 | if (! exists $Data{$type}{'code2id'}{$codeset}{$code}) { |
| 498 | carp "add_${type}_code_alias(): unknown code: $code\n" unless ($nowarn); |
| 499 | return 0; |
| 500 | } |
| 501 | |
| 502 | if (exists $Data{$type}{'code2id'}{$codeset}{$new_code} || |
| 503 | exists $Data{$type}{'codealias'}{$codeset}{$new_code}) { |
| 504 | carp "add_${type}_code_alias(): code already in use: $new_code\n" unless ($nowarn); |
| 505 | return 0; |
| 506 | } |
| 507 | |
| 508 | # Add the alias |
| 509 | |
| 510 | $Data{$type}{'codealias'}{$codeset}{$new_code} = $code; |
| 511 | |
| 512 | return 1; |
| 513 | } |
| 514 | |
| 515 | #======================================================================= |
| 516 | # |
| 517 | # _delete_code_alias ( TYPE,CODE,CODESET ) |
| 518 | # |
| 519 | # Deletes an alias for the code. |
| 520 | # |
| 521 | #======================================================================= |
| 522 | |
| 523 | sub _delete_code_alias { |
| 524 | my($type,$code,$codeset,$nowarn) = @_; |
| 525 | |
| 526 | if (! $codeset) { |
| 527 | carp "delete_${type}_code_alias(): unknown codeset\n" unless ($nowarn); |
| 528 | return 0; |
| 529 | } |
| 530 | |
| 531 | # Check that $code exists in the codeset as an alias. |
| 532 | |
| 533 | if (! exists $Data{$type}{'codealias'}{$codeset}{$code}) { |
| 534 | carp "delete_${type}_code_alias(): no alias defined: $code\n" unless ($nowarn); |
| 535 | return 0; |
| 536 | } |
| 537 | |
| 538 | # Delete the alias |
| 539 | |
| 540 | delete $Data{$type}{'codealias'}{$codeset}{$code}; |
| 541 | |
| 542 | return 1; |
| 543 | } |
| 544 | |
| 545 | #======================================================================= |
| 546 | # |
| 547 | # alias_code ( ALIAS => CODE [ , CODESET ] ) |
| 548 | # |
| 549 | # Add an alias for an existing code. If the CODESET isn't specified, |
| 550 | # then we use the default (currently the alpha-2 codeset). |
| 551 | # |
| 552 | # Locale::Country::alias_code('uk' => 'gb'); |
| 553 | # |
| 554 | #======================================================================= |
| 555 | |
| 556 | # sub alias_code { |
| 557 | # my $nowarn = 0; |
| 558 | # $nowarn = 1, pop if ($_[$#_] eq "nowarn"); |
| 559 | # my $alias = shift; |
| 560 | # my $code = shift; |
| 561 | # my $codeset = @_ > 0 ? shift : LOCALE_CODE_DEFAULT; |
| 562 | |
| 563 | # return 0 if ($codeset !~ /^\d+$/); |
| 564 | |
| 565 | # if ($codeset == LOCALE_CODE_ALPHA_2) { |
| 566 | # $codeset = "alpha2"; |
| 567 | # $alias = lc($alias); |
| 568 | # } elsif ($codeset == LOCALE_CODE_ALPHA_3) { |
| 569 | # $codeset = "alpha3"; |
| 570 | # $alias = lc($alias); |
| 571 | # } elsif ($codeset == LOCALE_CODE_FIPS) { |
| 572 | # $codeset = "fips"; |
| 573 | # $alias = uc($alias); |
| 574 | # } elsif ($codeset == LOCALE_CODE_NUMERIC) { |
| 575 | # $codeset = "num"; |
| 576 | # return undef if ($alias =~ /\D/); |
| 577 | # $alias = sprintf("%.3d", $alias); |
| 578 | # } else { |
| 579 | # carp "rename_country(): unknown codeset\n" unless ($nowarn); |
| 580 | # return 0; |
| 581 | # } |
| 582 | |
| 583 | # # Check that $code exists in the codeset. |
| 584 | |
| 585 | # my ($id,$i); |
| 586 | # if (exists $Data{$type}{'code2id'}{$codeset}{$code}) { |
| 587 | # ($id,$i) = @{ $Data{$type}{'code2id'}{$codeset}{$code} }; |
| 588 | # } else { |
| 589 | # carp "alias_code: attempt to alias \"$alias\" to unknown country code \"$code\"\n" |
| 590 | # unless ($nowarn); |
| 591 | # return 0; |
| 592 | # } |
| 593 | |
| 594 | # # Cases: |
| 595 | # # The alias already exists. |
| 596 | # # Error |
| 597 | # # |
| 598 | # # It's new |
| 599 | # # Create a new entry in Code2CountryID |
| 600 | # # Replace the entiry in CountryID2Code |
| 601 | # # Regenerate %Codes |
| 602 | |
| 603 | # if (exists $Data{$type}{'code2id'}{$codeset}{$alias}) { |
| 604 | # carp "alias_code: attempt to alias \"$alias\" which is already in use\n" |
| 605 | # unless ($nowarn); |
| 606 | # return 0; |
| 607 | # } |
| 608 | |
| 609 | # $Data{$type}{'code2id'}{$codeset}{$alias} = [ $id, $i ]; |
| 610 | # $Data{$type}{'id2names'}ID2Code{$codeset}{$id} = $alias; |
| 611 | |
| 612 | # my @codes = keys %{ $Data{$type}{'code2id'}{$codeset} }; |
| 613 | # $Locale::CountryCodes::Codes{$codeset} = [ sort @codes ]; |
| 614 | |
| 615 | # return $alias; |
| 616 | # } |
| 617 | |
| 618 | 1; |
| 619 | # Local Variables: |
| 620 | # mode: cperl |
| 621 | # indent-tabs-mode: nil |
| 622 | # cperl-indent-level: 3 |
| 623 | # cperl-continued-statement-offset: 2 |
| 624 | # cperl-continued-brace-offset: 0 |
| 625 | # cperl-brace-offset: 0 |
| 626 | # cperl-brace-imaginary-offset: 0 |
| 627 | # cperl-label-offset: -2 |
| 628 | # End: |
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