881 lines
24 KiB
Perl
881 lines
24 KiB
Perl
package Locale::Codes;
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# Copyright (C) 2001 Canon Research Centre Europe (CRE).
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# Copyright (C) 2002-2009 Neil Bowers
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# Copyright (c) 2010-2018 Sullivan Beck
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# This program is free software; you can redistribute it and/or modify it
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# under the same terms as Perl itself.
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###############################################################################
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use strict;
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use warnings;
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require 5.006;
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use Carp;
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use if $] >= 5.027007, 'deprecate';
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use Locale::Codes::Constants;
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our($VERSION);
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$VERSION='3.56';
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use Exporter qw(import);
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our(@EXPORT_OK,%EXPORT_TAGS);
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@EXPORT_OK = @Locale::Codes::Constants::CONSTANTS;
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%EXPORT_TAGS = ( 'constants' => [ @EXPORT_OK ] );
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###############################################################################
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# GLOBAL DATA
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###############################################################################
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# All of the data is stored in a couple global variables. They are filled
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# in by requiring the appropriate TYPE_Codes and TYPE_Retired modules.
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our(%Data,%Retired);
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# $Data{ TYPE }{ code2id }{ CODESET } { CODE } = [ ID, I ]
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# { id2code }{ CODESET } { ID } = CODE
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# { id2names }{ ID } = [ NAME, NAME, ... ]
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# { alias2id }{ NAME } = [ ID, I ]
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# { id } = FIRST_UNUSED_ID
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# { codealias }{ CODESET } { ALIAS } = CODE
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#
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# $Retired{ TYPE }{ CODESET }{ code }{ CODE } = NAME
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# { name }{ NAME } = [CODE,NAME] (the key is lowercase)
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###############################################################################
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# METHODS
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###############################################################################
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sub new {
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my($class,$type,$codeset,$show_errors) = @_;
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my $self = { 'type' => '',
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'codeset' => '',
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'err' => (defined($show_errors) ? $show_errors : 1),
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};
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bless $self,$class;
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$self->type($type) if ($type);
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$self->codeset($codeset) if ($codeset);
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return $self;
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}
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sub show_errors {
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my($self,$val) = @_;
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$$self{'err'} = $val;
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}
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sub type {
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my($self,$type) = @_;
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if (! exists $ALL_CODESETS{$type}) {
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# uncoverable branch false
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carp "ERROR: type: invalid argument: $type\n" if ($$self{'err'});
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return;
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}
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# uncoverable branch false
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if (! $ALL_CODESETS{$type}{'loaded'}) {
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my $label = $ALL_CODESETS{$type}{'module'};
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eval "require Locale::Codes::${label}_Codes";
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# uncoverable branch true
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if ($@) {
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# uncoverable statement
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croak "ERROR: type: unable to load module: ${label}_Codes\n";
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}
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eval "require Locale::Codes::${label}_Retired";
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# uncoverable branch true
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if ($@) {
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# uncoverable statement
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croak "ERROR: type: unable to load module: ${label}_Retired\n";
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}
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$ALL_CODESETS{$type}{'loaded'} = 1;
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}
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$$self{'type'} = $type;
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$$self{'codeset'} = $ALL_CODESETS{$type}{'default'};
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}
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sub codeset {
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my($self,$codeset) = @_;
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my $type = $$self{'type'};
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if (! exists $ALL_CODESETS{$type}{'codesets'}{$codeset}) {
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# uncoverable branch false
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carp "ERROR: codeset: invalid argument: $codeset\n" if ($$self{'err'});
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}
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$$self{'codeset'} = $codeset;
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}
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sub version {
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# uncoverable subroutine
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# uncoverable statement
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my($self) = @_;
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# uncoverable statement
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return $VERSION;
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}
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###############################################################################
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# This is used to validate a codeset and/or code. It will also format
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# a code for that codeset.
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#
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# (ERR,RET_CODE,RET_CODESET) = $o->_code([CODE [,CODESET]])
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#
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# If CODE is empty/undef, only the codeset will be validated
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# and RET_CODE will be empty.
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#
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# If CODE is passed in, it will be returned formatted correctly
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# for the codeset.
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#
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# ERR will be 0 or 1.
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#
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# If $no_check_code is 1, then the code will not be validated (i.e.
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# it doesn't already have to exist). This will be useful for adding
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# a new code.
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#
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sub _code {
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my($self,$code,$codeset,$no_check_code) = @_;
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$code = '' if (! defined($code));
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$codeset = lc($codeset) if (defined($codeset));
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# uncoverable branch true
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if (! $$self{'type'}) {
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# uncoverable statement
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carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
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# uncoverable statement
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return (1);
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}
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my $type = $$self{'type'};
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if ($codeset && ! exists $ALL_CODESETS{$type}{'codesets'}{$codeset}) {
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carp "ERROR: _code: invalid codeset provided: $codeset\n"
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if ($$self{'err'});
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return (1);
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}
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# If no codeset was passed in, return the codeset specified.
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$codeset = $$self{'codeset'} if (! defined($codeset) || $codeset eq '');
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return (0,'',$codeset) if ($code eq '');
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# Determine the properties of the codeset
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my($op,@args) = @{ $ALL_CODESETS{$type}{'codesets'}{$codeset} };
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if ($op eq 'lc') {
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$code = lc($code);
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}
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if ($op eq 'uc') {
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$code = uc($code);
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}
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if ($op eq 'ucfirst') {
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$code = ucfirst(lc($code));
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}
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# uncoverable branch false
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if ($op eq 'numeric') {
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if ($code =~ /^\d+$/) {
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my $l = $args[0];
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$code = sprintf("%.${l}d", $code);
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} else {
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# uncoverable statement
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carp "ERROR: _code: invalid numeric code: $code\n" if ($$self{'err'});
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# uncoverable statement
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return (1);
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}
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}
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# Determine if the code is in the codeset.
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if (! $no_check_code &&
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! exists $Data{$type}{'code2id'}{$codeset}{$code} &&
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! exists $Retired{$type}{$codeset}{'code'}{$code} &&
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! exists $Data{$type}{'codealias'}{$codeset}{$code}) {
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carp "ERROR: _code: code not in codeset: $code [$codeset]\n"
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if ($$self{'err'});
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return (1);
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}
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return (0,$code,$codeset);
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}
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###############################################################################
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# $name = $o->code2name(CODE [,CODESET] [,'retired'])
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# $code = $o->name2code(NAME [,CODESET] [,'retired'])
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#
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# Returns the name associated with the CODE (or vice versa).
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#
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sub code2name {
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my($self,@args) = @_;
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my $retired = 0;
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if (@args && defined($args[$#args]) && lc($args[$#args]) eq 'retired') {
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pop(@args);
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$retired = 1;
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}
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# uncoverable branch true
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if (! $$self{'type'}) {
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# uncoverable statement
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carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
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# uncoverable statement
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return (1);
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}
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my $type = $$self{'type'};
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my ($err,$code,$codeset) = $self->_code(@args);
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return undef if ($err || ! $code);
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$code = $Data{$type}{'codealias'}{$codeset}{$code}
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if (exists $Data{$type}{'codealias'}{$codeset}{$code});
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if (exists $Data{$type}{'code2id'}{$codeset}{$code}) {
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my ($id,$i) = @{ $Data{$type}{'code2id'}{$codeset}{$code} };
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my $name = $Data{$type}{'id2names'}{$id}[$i];
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return $name;
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} elsif ($retired && exists $Retired{$type}{$codeset}{'code'}{$code}) {
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return $Retired{$type}{$codeset}{'code'}{$code};
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} else {
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return undef;
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}
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}
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sub name2code {
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my($self,$name,@args) = @_;
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return undef if (! $name);
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$name = lc($name);
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my $retired = 0;
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if (@args && defined($args[$#args]) && lc($args[$#args]) eq 'retired') {
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pop(@args);
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$retired = 1;
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}
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# uncoverable branch true
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if (! $$self{'type'}) {
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# uncoverable statement
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carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
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# uncoverable statement
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return (1);
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}
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my $type = $$self{'type'};
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my ($err,$tmp,$codeset) = $self->_code('',@args);
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return undef if ($err);
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if (exists $Data{$type}{'alias2id'}{$name}) {
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my $id = $Data{$type}{'alias2id'}{$name}[0];
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if (exists $Data{$type}{'id2code'}{$codeset}{$id}) {
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return $Data{$type}{'id2code'}{$codeset}{$id};
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}
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} elsif ($retired && exists $Retired{$type}{$codeset}{'name'}{$name}) {
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return $Retired{$type}{$codeset}{'name'}{$name}[0];
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}
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return undef;
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}
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# $code = $o->code2code(CODE,CODESET2)
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# $code = $o->code2code(CODE,CODESET1,CODESET2)
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#
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# Changes the code in the CODESET1 (or the current codeset) to another
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# codeset (CODESET2)
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#
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sub code2code {
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my($self,@args) = @_;
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# uncoverable branch true
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if (! $$self{'type'}) {
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# uncoverable statement
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carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
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# uncoverable statement
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return (1);
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}
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my $type = $$self{'type'};
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my($code,$codeset1,$codeset2,$err);
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if (@args == 2) {
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($code,$codeset2) = @args;
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($err,$code,$codeset1) = $self->_code($code);
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# uncoverable branch true
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return undef if ($err);
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} elsif (@args == 3) {
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($code,$codeset1,$codeset2) = @args;
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($err,$code) = $self->_code($code,$codeset1);
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return undef if ($err);
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($err) = $self->_code('',$codeset2);
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# uncoverable branch true
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return undef if ($err);
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}
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my $name = $self->code2name($code,$codeset1);
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my $out = $self->name2code($name,$codeset2);
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return $out;
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}
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###############################################################################
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# @codes = $o->all_codes([CODESET] [,'retired']);
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# @names = $o->all_names([CODESET] [,'retired']);
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#
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# Returns all codes/names in the specified codeset, including retired
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# ones if the option is given.
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sub all_codes {
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my($self,@args) = @_;
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my $retired = 0;
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if (@args && defined($args[$#args]) && lc($args[$#args]) eq 'retired') {
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pop(@args);
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$retired = 1;
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}
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# uncoverable branch true
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if (! $$self{'type'}) {
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# uncoverable statement
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carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
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# uncoverable statement
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return (1);
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}
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my $type = $$self{'type'};
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my ($err,$tmp,$codeset) = $self->_code('',@args);
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return () if ($err);
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my @codes = keys %{ $Data{$type}{'code2id'}{$codeset} };
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push(@codes,keys %{ $Retired{$type}{$codeset}{'code'} }) if ($retired);
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return (sort @codes);
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}
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sub all_names {
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my($self,@args) = @_;
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my $retired = 0;
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if (@args && defined($args[$#args]) && lc($args[$#args]) eq 'retired') {
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pop(@args);
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$retired = 1;
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}
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# uncoverable branch true
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if (! $$self{'type'}) {
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# uncoverable statement
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carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
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# uncoverable statement
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return (1);
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}
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my $type = $$self{'type'};
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my ($err,$tmp,$codeset) = $self->_code('',@args);
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return () if ($err);
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my @codes = $self->all_codes($codeset);
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my @names;
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foreach my $code (@codes) {
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my($id,$i) = @{ $Data{$type}{'code2id'}{$codeset}{$code} };
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my $name = $Data{$type}{'id2names'}{$id}[$i];
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push(@names,$name);
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}
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if ($retired) {
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foreach my $lc (keys %{ $Retired{$type}{$codeset}{'name'} }) {
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my $name = $Retired{$type}{$codeset}{'name'}{$lc}[1];
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push @names,$name;
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}
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}
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return (sort @names);
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}
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###############################################################################
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# $flag = $o->rename_code (CODE,NEW_NAME [,CODESET])
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#
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# Change the official name for a code. The original is retained
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# as an alias, but the new name will be returned if you lookup the
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# name from code.
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#
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# Returns 1 on success.
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#
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sub rename_code {
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my($self,$code,$new_name,$codeset) = @_;
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# uncoverable branch true
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if (! $$self{'type'}) {
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# uncoverable statement
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carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
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# uncoverable statement
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return 0;
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}
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my $type = $$self{'type'};
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# Make sure $code/$codeset are both valid
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my($err,$c,$cs) = $self->_code($code,$codeset);
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if ($err) {
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carp "ERROR: rename: Unknown code/codeset: $code [$codeset]\n"
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if ($$self{'err'});
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return 0;
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}
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($code,$codeset) = ($c,$cs);
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# Cases:
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# 1. Renaming to a name which exists with a different ID
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# Error
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#
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# 2. Renaming to a name which exists with the same ID
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# Just change code2id (I value)
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#
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# 3. Renaming to a new name
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# Create a new alias
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# Change code2id (I value)
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my $id = $Data{$type}{'code2id'}{$codeset}{$code}[0];
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if (exists $Data{$type}{'alias2id'}{lc($new_name)}) {
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# Existing name (case 1 and 2)
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my ($new_id,$i) = @{ $Data{$type}{'alias2id'}{lc($new_name)} };
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if ($new_id != $id) {
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# Case 1
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carp "ERROR: rename: rename to an existing name not allowed\n"
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if ($$self{'err'});
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return 0;
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}
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# Case 2
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$Data{$type}{'code2id'}{$codeset}{$code}[1] = $i;
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} else {
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# Case 3
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push @{ $Data{$type}{'id2names'}{$id} },$new_name;
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my $i = $#{ $Data{$type}{'id2names'}{$id} };
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$Data{$type}{'alias2id'}{lc($new_name)} = [ $id,$i ];
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$Data{$type}{'code2id'}{$codeset}{$code}[1] = $i;
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}
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return 1;
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}
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###############################################################################
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# $flag = $o->add_code (CODE,NAME [,CODESET])
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#
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# Add a new code to the codeset. Both CODE and NAME must be
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# unused in the code set.
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#
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sub add_code {
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my($self,$code,$name,$codeset) = @_;
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# uncoverable branch true
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if (! $$self{'type'}) {
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# uncoverable statement
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carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
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# uncoverable statement
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return 0;
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}
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my $type = $$self{'type'};
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# Make sure that $codeset is valid.
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my($err,$c,$cs) = $self->_code($code,$codeset,1);
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if ($err) {
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carp "ERROR: rename: Unknown codeset: $codeset\n"
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if ($$self{'err'});
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return 0;
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}
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($code,$codeset) = ($c,$cs);
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# Check that $code is unused.
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if (exists $Data{$type}{'code2id'}{$codeset}{$code} ||
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exists $Data{$type}{'codealias'}{$codeset}{$code}) {
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carp "add_code: code already in use: $code\n" if ($$self{'err'});
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return 0;
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}
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# Check to see that $name is unused in this code set. If it is
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# used (but not in this code set), we'll use that ID. Otherwise,
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# we'll need to get the next available ID.
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my ($id,$i);
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if (exists $Data{$type}{'alias2id'}{lc($name)}) {
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($id,$i) = @{ $Data{$type}{'alias2id'}{lc($name)} };
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if (exists $Data{$type}{'id2code'}{$codeset}{$id}) {
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carp "add_code: name already in use: $name\n" if ($$self{'err'});
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return 0;
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}
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} else {
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$id = $Data{$type}{'id'}++;
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$i = 0;
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$Data{$type}{'alias2id'}{lc($name)} = [ $id,$i ];
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$Data{$type}{'id2names'}{$id} = [ $name ];
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}
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|
# Add the new code
|
|
|
|
$Data{$type}{'code2id'}{$codeset}{$code} = [ $id,$i ];
|
|
$Data{$type}{'id2code'}{$codeset}{$id} = $code;
|
|
|
|
return 1;
|
|
}
|
|
|
|
###############################################################################
|
|
|
|
# $flag = $o->delete_code (CODE [,CODESET])
|
|
#
|
|
# Delete a code from the codeset.
|
|
#
|
|
sub delete_code {
|
|
my($self,$code,$codeset) = @_;
|
|
|
|
# uncoverable branch true
|
|
if (! $$self{'type'}) {
|
|
# uncoverable statement
|
|
carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
|
|
# uncoverable statement
|
|
return 0;
|
|
}
|
|
my $type = $$self{'type'};
|
|
|
|
# Make sure $code/$codeset are both valid
|
|
|
|
my($err,$c,$cs) = $self->_code($code,$codeset);
|
|
# uncoverable branch true
|
|
if ($err) {
|
|
# uncoverable statement
|
|
carp "ERROR: rename: Unknown code/codeset: $code [$codeset]\n"
|
|
if ($$self{'err'});
|
|
# uncoverable statement
|
|
return 0;
|
|
}
|
|
($code,$codeset) = ($c,$cs);
|
|
|
|
# Delete the code
|
|
|
|
my $id = $Data{$type}{'code2id'}{$codeset}{$code}[0];
|
|
delete $Data{$type}{'code2id'}{$codeset}{$code};
|
|
delete $Data{$type}{'id2code'}{$codeset}{$id};
|
|
|
|
# Delete any aliases that are linked to this code
|
|
|
|
foreach my $alias (keys %{ $Data{$type}{'codealias'}{$codeset} }) {
|
|
next if ($Data{$type}{'codealias'}{$codeset}{$alias} ne $code);
|
|
delete $Data{$type}{'codealias'}{$codeset}{$alias};
|
|
}
|
|
|
|
# If this ID is not used in any other codeset, delete it completely.
|
|
|
|
foreach my $c (keys %{ $Data{$type}{'id2code'} }) {
|
|
return 1 if (exists $Data{$type}{'id2code'}{$c}{$id});
|
|
}
|
|
|
|
my @names = @{ $Data{$type}{'id2names'}{$id} };
|
|
delete $Data{$type}{'id2names'}{$id};
|
|
|
|
foreach my $name (@names) {
|
|
delete $Data{$type}{'alias2id'}{lc($name)};
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
###############################################################################
|
|
|
|
# $flag = $o->add_alias (NAME,NEW_NAME)
|
|
#
|
|
# Add a new alias. NAME must exist, and NEW_NAME must be unused.
|
|
#
|
|
sub add_alias {
|
|
my($self,$name,$new_name) = @_;
|
|
|
|
# uncoverable branch true
|
|
if (! $$self{'type'}) {
|
|
# uncoverable statement
|
|
carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
|
|
# uncoverable statement
|
|
return 0;
|
|
}
|
|
my $type = $$self{'type'};
|
|
|
|
# Check that $name is used and $new_name is new.
|
|
|
|
my($id);
|
|
if (exists $Data{$type}{'alias2id'}{lc($name)}) {
|
|
$id = $Data{$type}{'alias2id'}{lc($name)}[0];
|
|
} else {
|
|
carp "add_alias: name does not exist: $name\n" if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
|
|
if (exists $Data{$type}{'alias2id'}{lc($new_name)}) {
|
|
carp "add_alias: alias already in use: $new_name\n" if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
|
|
# Add the new alias
|
|
|
|
push @{ $Data{$type}{'id2names'}{$id} },$new_name;
|
|
my $i = $#{ $Data{$type}{'id2names'}{$id} };
|
|
$Data{$type}{'alias2id'}{lc($new_name)} = [ $id,$i ];
|
|
|
|
return 1;
|
|
}
|
|
|
|
###############################################################################
|
|
|
|
# $flag = $o->delete_alias (NAME)
|
|
#
|
|
# This deletes a name from the list of names used by an element.
|
|
# NAME must be used, but must NOT be the only name in the list.
|
|
#
|
|
# Any id2name that references this name will be changed to
|
|
# refer to the first name in the list.
|
|
#
|
|
sub delete_alias {
|
|
my($self,$name) = @_;
|
|
|
|
# uncoverable branch true
|
|
if (! $$self{'type'}) {
|
|
# uncoverable statement
|
|
carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
|
|
# uncoverable statement
|
|
return 0;
|
|
}
|
|
my $type = $$self{'type'};
|
|
|
|
# Check that $name is used.
|
|
|
|
my($id,$i);
|
|
if (exists $Data{$type}{'alias2id'}{lc($name)}) {
|
|
($id,$i) = @{ $Data{$type}{'alias2id'}{lc($name)} };
|
|
} else {
|
|
carp "delete_alias: name does not exist: $name\n" if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
|
|
my $n = $#{ $Data{$type}{'id2names'}{$id} } + 1;
|
|
if ($n == 1) {
|
|
carp "delete_alias: only one name defined (use delete_code instead)\n"
|
|
if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
|
|
# Delete the alias.
|
|
|
|
splice (@{ $Data{$type}{'id2names'}{$id} },$i,1);
|
|
delete $Data{$type}{'alias2id'}{lc($name)};
|
|
|
|
# Every element that refers to this ID:
|
|
# Ignore if I < $i
|
|
# Set to 0 if I = $i
|
|
# Decrement if I > $i
|
|
|
|
foreach my $codeset (keys %{ $Data{$type}{'code2id'} }) {
|
|
foreach my $code (keys %{ $Data{$type}{'code2id'}{$codeset} }) {
|
|
my($jd,$j) = @{ $Data{$type}{'code2id'}{$codeset}{$code} };
|
|
next if ($jd ne $id ||
|
|
$j < $i);
|
|
if ($i == $j) {
|
|
$Data{$type}{'code2id'}{$codeset}{$code}[1] = 0;
|
|
} else {
|
|
$Data{$type}{'code2id'}{$codeset}{$code}[1]--;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
###############################################################################
|
|
|
|
# $flag = $o->replace_code (CODE,NEW_CODE [,CODESET])
|
|
#
|
|
# Change the official code. The original is retained as an alias, but
|
|
# the new code will be returned if do a name2code lookup.
|
|
#
|
|
sub replace_code {
|
|
my($self,$code,$new_code,$codeset) = @_;
|
|
|
|
# uncoverable branch true
|
|
if (! $$self{'type'}) {
|
|
# uncoverable statement
|
|
carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
|
|
# uncoverable statement
|
|
return 0;
|
|
}
|
|
my $type = $$self{'type'};
|
|
|
|
# Make sure $code/$codeset are both valid (and that $new_code is the
|
|
# correct format)
|
|
|
|
my($err,$c,$cs) = $self->_code($code,$codeset);
|
|
if ($err) {
|
|
carp "ERROR: rename_code: Unknown code/codeset: $code [$codeset]\n"
|
|
if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
($code,$codeset) = ($c,$cs);
|
|
|
|
($err,$new_code,$codeset) = $self->_code($new_code,$codeset,1);
|
|
|
|
# Cases:
|
|
# 1. Renaming code to an existing alias of this code:
|
|
# Make the alias real and the code an alias
|
|
#
|
|
# 2. Renaming code to some other existing alias:
|
|
# Error
|
|
#
|
|
# 3. Renaming code to some other code:
|
|
# Error (
|
|
#
|
|
# 4. Renaming code to a new code:
|
|
# Make code into an alias
|
|
# Replace code with new_code.
|
|
|
|
if (exists $Data{$type}{'codealias'}{$codeset}{$new_code}) {
|
|
# Cases 1 and 2
|
|
if ($Data{$type}{'codealias'}{$codeset}{$new_code} eq $code) {
|
|
# Case 1
|
|
|
|
delete $Data{$type}{'codealias'}{$codeset}{$new_code};
|
|
|
|
} else {
|
|
# Case 2
|
|
carp "rename_code: new code already in use: $new_code\n"
|
|
if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
|
|
} elsif (exists $Data{$type}{'code2id'}{$codeset}{$new_code}) {
|
|
# Case 3
|
|
carp "rename_code: new code already in use: $new_code\n"
|
|
if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
|
|
# Cases 1 and 4
|
|
|
|
$Data{$type}{'codealias'}{$codeset}{$code} = $new_code;
|
|
|
|
my $id = $Data{$type}{'code2id'}{$codeset}{$code}[0];
|
|
$Data{$type}{'code2id'}{$codeset}{$new_code} =
|
|
$Data{$type}{'code2id'}{$codeset}{$code};
|
|
delete $Data{$type}{'code2id'}{$codeset}{$code};
|
|
|
|
$Data{$type}{'id2code'}{$codeset}{$id} = $new_code;
|
|
|
|
return 1;
|
|
}
|
|
|
|
###############################################################################
|
|
|
|
# $flag = $o->add_code_alias (CODE,NEW_CODE [,CODESET])
|
|
#
|
|
# Adds an alias for the code.
|
|
#
|
|
sub add_code_alias {
|
|
my($self,$code,$new_code,$codeset) = @_;
|
|
|
|
# uncoverable branch true
|
|
if (! $$self{'type'}) {
|
|
# uncoverable statement
|
|
carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
|
|
# uncoverable statement
|
|
return 0;
|
|
}
|
|
my $type = $$self{'type'};
|
|
|
|
# Make sure $code/$codeset are both valid and that the new code is
|
|
# properly formatted.
|
|
|
|
my($err,$c,$cs) = $self->_code($code,$codeset);
|
|
if ($err) {
|
|
carp "ERROR: add_code_alias: Unknown code/codeset: $code [$codeset]\n"
|
|
if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
($code,$codeset) = ($c,$cs);
|
|
|
|
($err,$new_code,$cs) = $self->_code($new_code,$codeset,1);
|
|
|
|
# Check that $new_code does not exist.
|
|
|
|
if (exists $Data{$type}{'code2id'}{$codeset}{$new_code} ||
|
|
exists $Data{$type}{'codealias'}{$codeset}{$new_code}) {
|
|
# uncoverable branch true
|
|
carp "add_code_alias: code already in use: $new_code\n" if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
|
|
# Add the alias
|
|
|
|
$Data{$type}{'codealias'}{$codeset}{$new_code} = $code;
|
|
|
|
return 1;
|
|
}
|
|
|
|
###############################################################################
|
|
|
|
# $flag = $o->delete_code_alias (ALIAS [,CODESET])
|
|
#
|
|
# Deletes an alias for the code.
|
|
#
|
|
sub delete_code_alias {
|
|
my($self,$code,$codeset) = @_;
|
|
|
|
# uncoverable branch true
|
|
if (! $$self{'type'}) {
|
|
# uncoverable statement
|
|
carp "ERROR: no type set for Locale::Codes object\n" if ($$self{'err'});
|
|
# uncoverable statement
|
|
return 0;
|
|
}
|
|
my $type = $$self{'type'};
|
|
|
|
# Make sure $code/$codeset are both valid
|
|
|
|
my($err,$c,$cs) = $self->_code($code,$codeset);
|
|
if ($err) {
|
|
# uncoverable branch true
|
|
carp "ERROR: rename: Unknown code/codeset: $code [$codeset]\n"
|
|
if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
($code,$codeset) = ($c,$cs);
|
|
|
|
# Check that $code exists in the codeset as an alias.
|
|
|
|
if (! exists $Data{$type}{'codealias'}{$codeset}{$code}) {
|
|
# uncoverable branch true
|
|
carp "delete_code_alias(): no alias defined: $code\n" if ($$self{'err'});
|
|
return 0;
|
|
}
|
|
|
|
# Delete the alias
|
|
|
|
delete $Data{$type}{'codealias'}{$codeset}{$code};
|
|
|
|
return 1;
|
|
}
|
|
|
|
1;
|
|
# Local Variables:
|
|
# mode: cperl
|
|
# indent-tabs-mode: nil
|
|
# cperl-indent-level: 3
|
|
# cperl-continued-statement-offset: 2
|
|
# cperl-continued-brace-offset: 0
|
|
# cperl-brace-offset: 0
|
|
# cperl-brace-imaginary-offset: 0
|
|
# cperl-label-offset: 0
|
|
# End:
|