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kivitendo/SL/Locale.pm @ 409d5d5f

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#====================================================================
# LX-Office ERP
# Copyright (C) 2004
# Based on SQL-Ledger Version 2.1.9
# Web http://www.lx-office.org
#
#=====================================================================
# SQL-Ledger Accounting
# Copyright (C) 1998-2002
#
# Author: Dieter Simader
# Email: dsimader@sql-ledger.org
# Web: http://www.sql-ledger.org
#
# Contributors: Thomas Bayen <bayen@gmx.de>
# Antti Kaihola <akaihola@siba.fi>
# Moritz Bunkus (tex code)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#======================================================================
#
# Translations and number/date formatting
#
#======================================================================

package Locale;

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use DateTime;
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use Encode;
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use List::Util qw(first);
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use List::MoreUtils qw(any);
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use SL::LXDebug;
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use SL::Common;
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use SL::Iconv;
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use SL::Inifile;
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use strict;

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my %locales_by_country;

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sub new {
$main::lxdebug->enter_sub();

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my ($type, $country) = @_;

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$country ||= $::lx_office_conf{system}->{language};
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$country =~ s|.*/||;
$country =~ s|\.||g;
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if (!$locales_by_country{$country}) {
my $self = {};
bless $self, $type;

$self->_init($country);
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$locales_by_country{$country} = $self;
}
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$main::lxdebug->leave_sub();

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return $locales_by_country{$country}
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}

sub _init {
my $self = shift;
my $country = shift;

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$self->{countrycode} = $country;

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if ($country && -d "locale/$country") {
local *IN;
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if (open(IN, "<", "locale/$country/all")) {
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my $code = join("", <IN>);
eval($code);
close(IN);
}
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}
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binmode STDOUT, ":utf8";
binmode STDERR, ":utf8";
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$self->{iconv} = SL::Iconv->new('UTF-8', 'UTF-8');
$self->{iconv_reverse} = SL::Iconv->new('UTF-8', 'UTF-8');
$self->{iconv_english} = SL::Iconv->new('ASCII', 'UTF-8');
$self->{iconv_iso8859} = SL::Iconv->new('ISO-8859-15', 'UTF-8');
$self->{iconv_to_iso8859} = SL::Iconv->new('UTF-8', 'ISO-8859-15');
$self->{iconv_utf8} = SL::Iconv->new('UTF-8', 'UTF-8');
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$self->_read_special_chars_file($country);
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push @{ $self->{LONG_MONTH} },
("January", "February", "March", "April",
"May ", "June", "July", "August",
"September", "October", "November", "December");
push @{ $self->{SHORT_MONTH} },
(qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec));
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}
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sub _handle_markup {
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my $self = shift;
my $str = shift;
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my $escaped = 0;
my $new_str = '';

for (my $i = 0; $i < length $str; $i++) {
my $char = substr $str, $i, 1;

if ($escaped) {
if ($char eq 'n') {
$new_str .= "\n";

} elsif ($char eq 'r') {
$new_str .= "\r";

} elsif ($char eq 's') {
$new_str .= ' ';

} elsif ($char eq 'x') {
$new_str .= chr(hex(substr($str, $i + 1, 2)));
$i += 2;
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} else {
$new_str .= $char;
}

$escaped = 0;

} elsif ($char eq '\\') {
$escaped = 1;

} else {
$new_str .= $char;
}
}
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return $new_str;
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}

sub _read_special_chars_file {
my $self = shift;
my $country = shift;

if (! -f "locale/$country/special_chars") {
$self->{special_chars_map} = {};
return;
}

$self->{special_chars_map} = Inifile->new("locale/$country/special_chars", 'verbatim' => 1);

foreach my $format (keys %{ $self->{special_chars_map} }) {
next if (($format eq 'FILE') || ($format eq 'ORDER') || (ref $self->{special_chars_map}->{$format} ne 'HASH'));

if ($format ne lc $format) {
$self->{special_chars_map}->{lc $format} = $self->{special_chars_map}->{$format};
delete $self->{special_chars_map}->{$format};
$format = lc $format;
}

my $scmap = $self->{special_chars_map}->{$format};
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my $order = $self->{iconv}->convert($scmap->{order});
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delete $scmap->{order};

foreach my $key (keys %{ $scmap }) {
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$scmap->{$key} = $self->_handle_markup($self->{iconv}->convert($scmap->{$key}));
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my $new_key = $self->_handle_markup($self->{iconv}->convert($key));
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if ($key ne $new_key) {
$scmap->{$new_key} = $scmap->{$key};
delete $scmap->{$key};
}
}

$self->{special_chars_map}->{"${format}-reverse"} = { reverse %{ $scmap } };

$scmap->{order} = [ map { $self->_handle_markup($_) } split m/\s+/, $order ];
$self->{special_chars_map}->{"${format}-reverse"}->{order} = [ grep { $_ } map { $scmap->{$_} } reverse @{ $scmap->{order} } ];
}
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}

sub text {
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my $self = shift;
my $text = shift;
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return $text->translated if (ref($text) || '') eq 'SL::Locale::String';

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if ($self->{texts}->{$text}) {
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$text = $self->{iconv}->convert($self->{texts}->{$text});
} else {
$text = $self->{iconv_english}->convert($text);
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}

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if (@_) {
$text = Form->format_string($text, @_);
}

return $text;
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}

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sub lang_to_locale {
my ($self, $requested_lang) = @_;

my $requested_locale;
$requested_locale = 'de' if $requested_lang =~ m/^_(de|deu|ger)/i;
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$requested_locale = 'en' if $requested_lang =~ m/^_(en|uk|us|gr)/i;
$requested_locale = 'fr' if $requested_lang =~ m/^_fr/i;
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$requested_locale ||= 'de';

return $requested_locale;
}

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sub findsub {
$main::lxdebug->enter_sub();

my ($self, $text) = @_;
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my $text_rev = lc $self->{iconv_reverse}->convert($text);
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$text_rev =~ s/[\s\-]+/_/g;
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if (!$self->{texts_reverse}) {
$self->{texts_reverse} = { };
while (my ($original, $translation) = each %{ $self->{texts} }) {
$original = lc $original;
$original =~ s/[^a-z0-9]/_/g;
$original =~ s/_+/_/g;
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$translation = lc $translation;
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$translation =~ s/[\s\-]+/_/g;
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$self->{texts_reverse}->{$translation} ||= [ ];
push @{ $self->{texts_reverse}->{$translation} }, $original;
}
}
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my $sub_name;
$sub_name = first { defined(&{ "::${_}" }) } @{ $self->{texts_reverse}->{$text_rev} } if $self->{texts_reverse}->{$text_rev};
$sub_name ||= $text_rev if ($text_rev =~ m/^[a-z][a-z0-9_]+$/) && defined &{ "::${text_rev}" };
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$main::form->error("$text not defined in locale/$self->{countrycode}/all") if !$sub_name;
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$main::lxdebug->leave_sub();

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return $sub_name;
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}

sub date {
$main::lxdebug->enter_sub();

my ($self, $myconfig, $date, $longformat) = @_;

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if (!$date) {
$main::lxdebug->leave_sub();
return '';
}

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my $longdate = "";
my $longmonth = ($longformat) ? 'LONG_MONTH' : 'SHORT_MONTH';

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my ($spc, $yy, $mm, $dd);

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# get separator
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$spc = $myconfig->{dateformat};
$spc =~ s/\w//g;
$spc = substr($spc, 1, 1);
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if ($date =~ /\D/) {
if ($myconfig->{dateformat} =~ /^yy/) {
($yy, $mm, $dd) = split /\D/, $date;
}
if ($myconfig->{dateformat} =~ /^mm/) {
($mm, $dd, $yy) = split /\D/, $date;
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}
if ($myconfig->{dateformat} =~ /^dd/) {
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($dd, $mm, $yy) = split /\D/, $date;
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}
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} else {
$date = substr($date, 2);
($yy, $mm, $dd) = ($date =~ /(..)(..)(..)/);
}
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$dd *= 1;
$mm--;
$yy = ($yy < 70) ? $yy + 2000 : $yy;
$yy = ($yy >= 70 && $yy <= 99) ? $yy + 1900 : $yy;

if ($myconfig->{dateformat} =~ /^dd/) {
if (defined $longformat && $longformat == 0) {
$mm++;
$dd = "0$dd" if ($dd < 10);
$mm = "0$mm" if ($mm < 10);
$longdate = "$dd$spc$mm$spc$yy";
} else {
$longdate = "$dd";
$longdate .= ($spc eq '.') ? ". " : " ";
$longdate .= &text($self, $self->{$longmonth}[$mm]) . " $yy";
}
} elsif ($myconfig->{dateformat} eq "yyyy-mm-dd") {

# Use German syntax with the ISO date style "yyyy-mm-dd" because
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# kivitendo is mainly used in Germany or German speaking countries.
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if (defined $longformat && $longformat == 0) {
$mm++;
$dd = "0$dd" if ($dd < 10);
$mm = "0$mm" if ($mm < 10);
$longdate = "$yy-$mm-$dd";
} else {
$longdate = "$dd. ";
$longdate .= &text($self, $self->{$longmonth}[$mm]) . " $yy";
}
} else {
if (defined $longformat && $longformat == 0) {
$mm++;
$dd = "0$dd" if ($dd < 10);
$mm = "0$mm" if ($mm < 10);
$longdate = "$mm$spc$dd$spc$yy";
} else {
$longdate = &text($self, $self->{$longmonth}[$mm]) . " $dd, $yy";
}
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}

$main::lxdebug->leave_sub();

return $longdate;
}

sub parse_date {
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$main::lxdebug->enter_sub(2);
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my ($self, $myconfig, $date, $longformat) = @_;
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my ($spc, $yy, $mm, $dd);
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unless ($date) {
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$main::lxdebug->leave_sub(2);
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return ();
}

# get separator
$spc = $myconfig->{dateformat};
$spc =~ s/\w//g;
$spc = substr($spc, 1, 1);

if ($date =~ /\D/) {
if ($myconfig->{dateformat} =~ /^yy/) {
($yy, $mm, $dd) = split /\D/, $date;
} elsif ($myconfig->{dateformat} =~ /^mm/) {
($mm, $dd, $yy) = split /\D/, $date;
} elsif ($myconfig->{dateformat} =~ /^dd/) {
($dd, $mm, $yy) = split /\D/, $date;
}
} else {
$date = substr($date, 2);
($yy, $mm, $dd) = ($date =~ /(..)(..)(..)/);
}

$dd *= 1;
$mm *= 1;
$yy = ($yy < 70) ? $yy + 2000 : $yy;
$yy = ($yy >= 70 && $yy <= 99) ? $yy + 1900 : $yy;

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$main::lxdebug->leave_sub(2);
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return ($yy, $mm, $dd);
}

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sub parse_date_to_object {
my $self = shift;
my ($yy, $mm, $dd) = $self->parse_date(@_);

return $yy && $mm && $dd ? DateTime->new(year => $yy, month => $mm, day => $dd) : undef;
}

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sub format_date_object {
my ($self, $datetime, %params) = @_;

my $format = $::myconfig{dateformat} || 'yyyy-mm-dd';
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$format =~ s/yy(?:yy)?/\%Y/;
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$format =~ s/mm/\%m/;
$format =~ s/dd/\%d/;

my $precision = $params{precision} || 'day';
$precision =~ s/s$//;
my %precision_spec_map = (
second => '%H:%M:%S',
minute => '%H:%M',
hour => '%H',
);

$format .= ' ' . $precision_spec_map{$precision} if $precision_spec_map{$precision};

return $datetime->strftime($format);
}

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sub reformat_date {
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$main::lxdebug->enter_sub(2);
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my ($self, $myconfig, $date, $output_format, $longformat) = @_;

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$main::lxdebug->leave_sub(2) and return "" unless ($date);
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my ($yy, $mm, $dd) = $self->parse_date($myconfig, $date);

$output_format =~ /d+/;
substr($output_format, $-[0], $+[0] - $-[0]) =
sprintf("%0" . (length($&)) . "d", $dd);

$output_format =~ /m+/;
substr($output_format, $-[0], $+[0] - $-[0]) =
sprintf("%0" . (length($&)) . "d", $mm);

$output_format =~ /y+/;
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substr($output_format, $-[0], $+[0] - $-[0]) = $yy;
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$main::lxdebug->leave_sub(2);
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return $output_format;
}

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sub format_date {
$main::lxdebug->enter_sub();

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my $self = shift;
my $myconfig = shift;
my $yy = shift;
my $mm = shift;
my $dd = shift;
my $yy_len = shift || 4;
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($yy, $mm, $dd) = ($yy->year, $yy->month, $yy->day) if ref $yy eq 'DateTime';

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$main::lxdebug->leave_sub() and return "" unless $yy && $mm && $dd;

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$yy = $yy % 100 if 2 == $yy_len;

my $format = ref $myconfig eq '' ? "$myconfig" : $myconfig->{dateformat};
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$format =~ s{ d+ }{ sprintf("%0" . (length($&)) . "d", $dd) }gex;
$format =~ s{ m+ }{ sprintf("%0" . (length($&)) . "d", $mm) }gex;
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$format =~ s{ y+ }{ sprintf("%0${yy_len}d", $yy) }gex;
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$main::lxdebug->leave_sub();

return $format;
}

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sub quote_special_chars {
my $self = shift;
my $format = lc shift;
my $string = shift;

if ($self->{special_chars_map} && $self->{special_chars_map}->{$format} && $self->{special_chars_map}->{$format}->{order}) {
my $scmap = $self->{special_chars_map}->{$format};

map { $string =~ s/\Q${_}\E/$scmap->{$_}/g } @{ $scmap->{order} };
}

return $string;
}

sub unquote_special_chars {
my $self = shift;
my $format = shift;

return $self->quote_special_chars("${format}-reverse", shift);
}

sub remap_special_chars {
my $self = shift;
my $src_format = shift;
my $dst_format = shift;

return $self->quote_special_chars($dst_format, $self->quote_special_chars("${src_format}-reverse", shift));
}

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sub raw_io_active {
my $self = shift;

return !!$self->{raw_io_active};
}

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sub with_raw_io {
my $self = shift;
my $fh = shift;
my $code = shift;

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$self->{raw_io_active} = 1;
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binmode $fh, ":raw";
$code->();
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binmode $fh, ":utf8";
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$self->{raw_io_active} = 0;
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}

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sub set_numberformat_wo_thousands_separator {
my $self = shift;
my $myconfig = shift || \%::myconfig;

$self->{saved_numberformat} = $myconfig->{numberformat};
$myconfig->{numberformat} =~ s/^1[,\.]/1/;
}

sub restore_numberformat {
my $self = shift;
my $myconfig = shift || \%::myconfig;

$myconfig->{numberformat} = $self->{saved_numberformat} if $self->{saved_numberformat};
}

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sub get_local_time_zone {
my $self = shift;
$self->{local_time_zone} ||= DateTime::TimeZone->new(name => 'local');
return $self->{local_time_zone};
}

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sub language_join {
my ($self, $items, %params) = @_;

$items ||= [];
$params{conjunction} ||= $::locale->text('and');
my $num = scalar @{ $items };

return 0 == $num ? ''
: 1 == $num ? $items->[0]
: join(', ', @{ $items }[0..$num - 2]) . ' ' . $params{conjunction} . ' ' . $items->[$num - 1];
}

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1;
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__END__

=pod

=encoding utf8

=head1 NAME

d7946c4c Sven Schöling
Locale - Functions for dealing with locale-dependent information
38e08b2f Moritz Bunkus
=head1 SYNOPSIS

use Locale;
use DateTime;

my $locale = Locale->new('de');
my $now = DateTime->now_local;
print "Current date and time: ", $::locale->format_date_object($now, precision => 'second'), "\n";

=head1 OVERVIEW

TODO: write overview

=head1 FUNCTIONS

=over 4

=item C<date>

TODO: Describe date

=item C<findsub>

TODO: Describe findsub

=item C<format_date>

TODO: Describe format_date

=item C<format_date_object $datetime, %params>

Formats the C<$datetime> object accoring to the user's locale setting.

The parameter C<precision> can control whether or not the time
component is formatted as well:

=over 4

=item * C<day>

Only format the year, month and day. This is also the default.

=item * C<hour>

Add the hour to the date.

=item * C<minute>

Add hour:minute to the date.

=item * C<second>

Add hour:minute:second to the date.

=back

=item C<get_local_time_zone>

TODO: Describe get_local_time_zone

=item C<lang_to_locale>

TODO: Describe lang_to_locale

=item C<new>

TODO: Describe new

=item C<parse_date>

TODO: Describe parse_date

=item C<parse_date_to_object>

TODO: Describe parse_date_to_object

=item C<quote_special_chars>

TODO: Describe quote_special_chars

=item C<raw_io_active>

TODO: Describe raw_io_active

=item C<reformat_date>

TODO: Describe reformat_date

=item C<remap_special_chars>

TODO: Describe remap_special_chars

=item C<restore_numberformat>

TODO: Describe restore_numberformat

=item C<set_numberformat_wo_thousands_separator>

TODO: Describe set_numberformat_wo_thousands_separator

=item C<text>

TODO: Describe text

=item C<unquote_special_chars>

TODO: Describe unquote_special_chars

=item C<with_raw_io>

TODO: Describe with_raw_io

=back

=head1 BUGS

Nothing here yet.

=head1 AUTHOR

Moritz Bunkus E<lt>m.bunkus@linet-services.deE<gt>

=cut