-# Common tools for test files files to find the locales which exist on the
+# Common tools for test files to find the locales which exist on the
# system. Caller should have verified that this isn't miniperl before calling
# the functions.
# Functions whose names begin with underscore are internal helper functions
# for this file, and are not to be used by outside callers.
+use Config;
use strict;
eval { require POSIX; import POSIX 'locale_h'; };
my $has_locale_h = ! $@;
+my @known_categories = ( qw(LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES LC_MONETARY
+ LC_NUMERIC LC_TIME LC_ADDRESS LC_IDENTIFICATION
+ LC_MEASUREMENT LC_PAPER LC_TELEPHONE LC_SYNTAX
+ LC_TOD));
+my @platform_categories;
+
# LC_ALL can be -1 on some platforms. And, in fact the implementors could
# legally use any integer to represent any category. But it makes the most
# sense for them to have used small integers. Below, we create new locale
my %category_number;
if ($has_locale_h) {
my $number_for_missing_category = $max_bad_category_number;
- foreach my $name (qw(ALL COLLATE CTYPE MESSAGES MONETARY NUMERIC TIME)) {
- my $number = eval "&POSIX::LC_$name";
-
+ foreach my $name (@known_categories) {
+ my $number = eval "&POSIX::$name";
if ($@) {
# Use a negative number (smaller than any legitimate category
# number) if the platform doesn't support this category, so we
{
# We think this should be an int. And it has to be larger than
# any of our synthetic numbers.
- die "Unexpected locale category number '$number' for LC_$name"
+ die "Unexpected locale category number '$number' for $name"
+ }
+ else {
+ push @platform_categories, $name;
}
+ $name =~ s/LC_//;
$category_name{$number} = "$name";
$category_number{$name} = $number;
}
return if ! $locale || grep { $locale eq $_ } @$list;
+ # This is a toy (pig latin) locale that is not fully implemented on some
+ # systems
+ return if $locale =~ / ^ pig $ /ix;
+
+ # Certain platforms have a crippled locale system in which setlocale
+ # returns success for just about any possible locale name, but if anything
+ # actually happens as a result of the call, it is that the underlying
+ # locale is set to a system default, likely C or C.UTF-8. We can't test
+ # such systems fully, but we shouldn't disable the user from using
+ # locales, as it may work out for them (or not).
+ return if defined $Config{d_setlocale_accepts_any_locale_name}
+ && $locale !~ / ^ (?: C | POSIX | C\.UTF-8 ) $/ix;
+
$categories = [ $categories ] unless ref $categories;
my $badutf8 = 0;
local $SIG{__WARN__} = sub {
$badutf8 = 1 if grep { /Malformed UTF-8/ } @_;
- $plays_well = 0 if grep { /Locale .* may not work well/i } @_;
+ $plays_well = 0 if grep {
+ /Locale .* may not work well(?#
+ )|The Perl program will use the expected meanings/i
+ } @_;
};
# Incompatible locales aren't warned about unless using locales.
return @enc;
}
+sub valid_locale_categories() {
+ # Returns a list of the locale categories (expressed as strings, like
+ # "LC_ALL) known to this program that are available on this platform.
+
+ return @platform_categories;
+}
+
sub locales_enabled(;$) {
# Returns 0 if no locale handling is available on this platform; otherwise
# 1.
# taken to be the C enum for the category (e.g., &POSIX::LC_CTYPE).
# Otherwise it should be a string name of the category, like 'LC_TIME'.
# The initial 'LC_' is optional. It is a fatal error to call this with
- # something that isn't a known category to the platform.
+ # something that isn't a known category to this file.
#
# This optional parameter denotes which POSIX locale categories must be
# available on the platform. If any aren't available, this function
# denoting a single category (either name or number). No conversion into
# a number is done in this case.
- use Config;
+ # khw cargo-culted the '?' in the pattern on the next line.
+ return 0 if $Config{ccflags} =~ /\bD?NO_LOCALE\b/;
+
+ # If we can't load the POSIX XS module, we can't have locales even if they
+ # normally would be available
+ return 0 if ! defined &DynaLoader::boot_DynaLoader;
- return 0 unless $Config{d_setlocale}
- # I (khw) cargo-culted the '?' in the pattern on the
- # next line.
- && $Config{ccflags} !~ /\bD?NO_LOCALE\b/
- && $has_locale_h;
+ if (! $Config{d_setlocale}) {
+ return 0 if $Config{ccflags} =~ /\bD?NO_POSIX_2008_LOCALE\b/;
+ return 0 unless $Config{d_newlocale};
+ return 0 unless $Config{d_uselocale};
+ return 0 unless $Config{d_duplocale};
+ return 0 unless $Config{d_freelocale};
+ }
# Done with the global possibilities. Now check if any passed in category
# is disabled.
my @Locale;
_trylocale("C", $categories, \@Locale, $allow_incompatible);
_trylocale("POSIX", $categories, \@Locale, $allow_incompatible);
- foreach (0..15) {
+
+ if ($Config{d_has_C_UTF8} && $Config{d_has_C_UTF8} eq 'true') {
+ _trylocale("C.UTF-8", $categories, \@Locale, $allow_incompatible);
+ }
+
+ # There's no point in looking at anything more if we know that setlocale
+ # will return success on any garbage or non-garbage name.
+ return sort @Locale if defined $Config{d_setlocale_accepts_any_locale_name};
+
+ foreach (1..16) {
_trylocale("ISO8859-$_", $categories, \@Locale, $allow_incompatible);
_trylocale("iso8859$_", $categories, \@Locale, $allow_incompatible);
_trylocale("iso8859-$_", $categories, \@Locale, $allow_incompatible);
# Locales whose name differs if the utf8 bit is on are stored in these
# two files with appropriate encodings.
my $data_file = ($^H & 0x08 || (${^OPEN} || "") =~ /:utf8/)
- ? "./lib/locale/utf8"
- : "./lib/locale/latin1";
- $data_file='khw foobar';
+ ? _source_location() . "/lib/locale/utf8"
+ : _source_location() . "/lib/locale/latin1";
if (-e $data_file) {
@Data = do $data_file;
}
}
# The rest of the locales are in this file.
- push @Data, <DATA>;
+ push @Data, <DATA>; close DATA;
foreach my $line (@Data) {
+ chomp $line;
my ($locale_name, $language_codes, $country_codes, $encodings) =
split /:/, $line;
_my_diag(__FILE__ . ":" . __LINE__ . ": Unexpected syntax in '$line'")
return $ret;
}
-sub find_utf8_ctype_locale (;$) { # Return the name of a locale that core Perl
- # thinks is a UTF-8 LC_CTYPE locale.
+sub find_utf8_ctype_locales (;$) { # Return the names of the locales that core
+ # Perl thinks are UTF-8 LC_CTYPE locales.
# Optional parameter is a reference to a
# list of locales to try; if omitted, this
# tries all locales it can find on the
return unless locales_enabled('LC_CTYPE');
my $locales_ref = shift;
+ my @return;
if (! defined $locales_ref) {
}
foreach my $locale (@$locales_ref) {
- return $locale if is_locale_utf8($locale);
+ push @return, $locale if is_locale_utf8($locale);
+ }
+
+ return @return;
+}
+
+
+sub find_utf8_ctype_locale (;$) { # Return the name of a locale that core Perl
+ # thinks is a UTF-8 LC_CTYPE non-turkic
+ # locale.
+ # Optional parameter is a reference to a
+ # list of locales to try; if omitted, this
+ # tries all locales it can find on the
+ # platform
+ my $try_locales_ref = shift;
+
+ my @utf8_locales = find_utf8_ctype_locales($try_locales_ref);
+ my @turkic_locales = find_utf8_turkic_locales($try_locales_ref);
+
+ my %seen_turkic;
+
+ # Create undef elements in the hash for turkic locales
+ @seen_turkic{@turkic_locales} = ();
+
+ foreach my $locale (@utf8_locales) {
+ return $locale unless exists $seen_turkic{$locale};
}
return;
}
+sub find_utf8_turkic_locales (;$) {
+
+ # Return the name of all the locales that core Perl thinks are UTF-8
+ # Turkic LC_CTYPE. Optional parameter is a reference to a list of locales
+ # to try; if omitted, this tries all locales it can find on the platform
+
+ my @return;
+
+ return unless locales_enabled('LC_CTYPE');
+
+ my $save_locale = setlocale(&POSIX::LC_CTYPE());
+ foreach my $locale (find_utf8_ctype_locales(shift)) {
+ use locale;
+ setlocale(&POSIX::LC_CTYPE(), $locale);
+ push @return, $locale if uc('i') eq "\x{130}";
+ }
+ setlocale(&POSIX::LC_CTYPE(), $save_locale);
+
+ return @return;
+}
+
+sub find_utf8_turkic_locale (;$) {
+ my @turkics = find_utf8_turkic_locales(shift);
+
+ return unless @turkics;
+ return $turkics[0]
+}
+
+
+# returns full path to the directory containing the current source
+# file, inspired by mauke's Dir::Self
+sub _source_location {
+ require File::Spec;
+
+ my $caller_filename = (caller)[1];
+
+ my $loc = File::Spec->rel2abs(
+ File::Spec->catpath(
+ (File::Spec->splitpath($caller_filename))[0, 1], ''
+ )
+ );
+
+ return ($loc =~ /^(.*)$/)[0]; # untaint
+}
+
1
# Format of data is: locale_name, language_codes, country_codes, encodings