package lang; # $Id: lang.pm,v 1.190 2001/10/10 09:35:21 pablo Exp $







use common;
use log;










#
# NOTE: we cheat for UTF-8 locales, in DrakX they are the 8bit ones;
# it's easier like that now. Of course, on the installed system a real
# UTF-8 locale will be used
#

my %languages = (
'en_US' => [ 'English|United States',	'iso-8859-1', 'en', 'en_US:en' ],
'en_GB' => [ 'English|United Kingdom',	'iso-8859-1', 'en', 'en_GB:en' ],
'en_IE' => [ 'English|Ireland','iso-8859-15', 'en', 'en_IE:en_GB:en' ],
'be_BY.CP1251'  => [ 'Belarussian',		 'cp1251',    'be', 'be:be_BY.CP1251:ru_RU.CP1251' ],
'de_AT' => [ 'German|Austria','iso-8859-15','de', 'de_AT:de' ],		
'de_BE' => [ 'German|Belgium',		'iso-8859-15', 'de', 'de_BE:de' ],
'de_CH' => [ 'German|Switzerland',	'iso-8859-1', 'de', 'de_CH:de' ],
'de_DE' => [ 'German|Germany',		'iso-8859-15', 'de', 'de_DE:de' ],
'es_AR' => [ 'Spanish|Argentina',	'iso-8859-1', 'es', 'es_AR:es_UY:es:es_ES' ],
'es_ES' => [ 'Spanish|Spain',	'iso-8859-15', 'es', 'es_ES:es' ],
'es_MX' => [ 'Spanish|Mexico',	'iso-8859-1', 'es', 'es_MX:es:es_ES' ],
'fr_BE'=> [ 'French|Belgium',	'iso-8859-15','fr', 'fr_BE:fr' ],
'fr_CA' => [ 'French|Canada',		'iso-8859-15','fr', 'fr_CA:fr' ],
'fr_CH' => [ 'French|Switzerland',	'iso-8859-1', 'fr', 'fr_CH:fr' ],
'fr_FR'=> [ 'French|France',	'iso-8859-15','fr', 'fr_FR:fr' ],

'kk_KZ' => [ 'Kazakh',          'pt154',     'kk', 'kk_KZ:ru_RU.CP1251' ],
'pt_BR' => [ 'Portuguese|Brazil',	'iso-8859-1', 'pt_BR', 'pt_BR:pt_PT:pt' ],
'pt_PT'=> [ 'Portuguese|Portugal','iso-8859-15','pt', 'pt_PT:pt:pt_BR' ],
'ru_RU.KOI8-R' => [ 'Russian|KOI8-R',	'koi8-r',     'ru', 'ru_RU.KOI8-R' ],
'ru_RU.CP1251' => [ 'Russian|CP1251',	'cp1251',     'ru', 'ru_RU.CP1251' ,'koi8-r'],
'uk_UA.KOI8-U' => [ 'Ukrainian|KOI8-U', 'koi8-u',     'uk', 'uk_UA.KOI8-U' ],
'uk_UA.CP1251' => [ 'Ukrainian|CP1251', 'cp1251',     'uk', 'uk_UA.CP1251','koi8-r' ],
);








































































sub std2 { "-*-*-medium-r-normal-*-$_[1]-*-*-*-*-*-$_[0]" }
sub std_ { std2($_[0], 10), std2($_[0], 10) }
sub std  { std2($_[0], $_[1] || 10), std2($_[0],  8) }





my %charsets = (
  "armscii-8"  => [ "arm8",		"armscii8.uni",	"trivial.trans",
    undef,	undef, std_("armscii-8") ],









  "iso-8859-1" => [ "lat0-sun16",	undef,		"iso15",
	"iso8859-1", "850", sub { std("iso8859-1", @_) } ],
  "iso-8859-2" => [ "lat2-sun16",	undef,		"iso02",
	"iso8859-2", "852", sub { std("iso8859-2", @_) } ],
  "iso-8859-3" => [ "iso03.f16",	undef,		"iso03",
	"iso8859-3", undef, std_("iso8859-3") ],
  "iso-8859-4" => [ "lat4u-16",		undef,		"iso04",
	"iso8859-4", "775", std_("iso8859-4") ],
  "iso-8859-5" => [ "iso05.f16",	"iso05",	"trivial.trans",
  	"iso8859-5", "855", sub { std("microsoft-cp1251", @_) } ],


  "iso-8859-6" => [ "iso06.f16",	"iso06",	"trivial.trans",
    "iso8859-6", "864", std_("iso8859-6") ],
  "iso-8859-7" => [ "iso07.f16",	"iso07",	"trivial.trans",
	"iso8859-7", "869", std_("iso8859-7") ],


   "iso-8859-8" => [ "iso08.f16",	"iso08",	"trivial.trans",
#	std_("iso8859-8") ],
	"iso8859-8", "862", std_("microsoft-cp1255") ],
  "iso-8859-9" => [ "iso09.f16",	"iso09",	"trivial.trans",
	"iso8859-9", "857", sub { std("iso8859-9", @_) } ],
  "iso-8859-13" => [ "tlat7",		"iso13",	"trivial.trans",
	"iso8859-13", "775", std_("iso8859-13") ],
  "iso-8859-14" => [ "tlat8",		"iso14",	"trivial.trans",
	"iso8859-14", "850", std_("iso8859-14") ],
  "iso-8859-15" => [ "lat0-sun16",	undef,		"iso15",
	"iso8859-15", "850", sub { std("iso8859-15", @_) } ],
  "iso-8859-9e" => [ "tiso09e",		"iso09",	"trivial.trans",
	"iso8859-9", "857", std2("iso8859-9e",10) ],

  "jisx0208"   => [ undef,		undef,		"trivial.trans",
	"euc-jp", "932", "-*-*-*-*-*-*-*-*-*-*-*-*-jisx*.*-0" ],
  "koi8-r"     => [ "UniCyr_8x16",	undef,		"koi8-r",
	"koi8-r", "866", sub { std("koi8-r", @_) } ],
  "koi8-u"     => [ "UniCyr_8x16",	undef,		"koi8-u",
	"koi8-u", "866", sub { std("koi8-u", @_) } ],
  "cp1251"     => [ "UniCyr_8x16",	undef,		"cp1251",
	"cp1251", "866", sub { std("microsoft-cp1251", @_) } ],


  "cp1255"     => [ "iso08.f16",        "iso08",        "trivial.trans",
	"cp1255", "862", std_("microsoft-cp1255") ],


  "cp1256"     => [ undef,              undef,          "trivial.trans",
	undef, "864", std_("microsoft-cp1255") ],

  "ksc5601"    => [ undef,		undef,		undef,
	"euc-kr", "949", "-*-*-*-*-*-*-*-*-*-*-*-*-ksc5601.1987-*" ],





  "viscii"     => [ "viscii10-8x16",	"viscii.uni",	"viscii1.0_to_viscii1.1.trans",

	undef, undef, std2("tcvn-5712", 13), std2("tcvn-5712", 10) ],






  "unicode" => [ undef,			undef,		"trivial.trans",
	"utf8", undef, "-*-*-*-*-*-*-*-*-*-*-*-*-iso10646-1" ],
);

my %bigfonts = (



    ksc5601  => 'baekmuk_gulim_h_14.pcf.gz',
    unicode  => 'cu12.pcf.gz',
);





sub list { keys %languages }
sub lang2text     { exists $languages{$_[0]} && $languages{$_[0]}[0] }
sub lang2charset  { exists $languages{$_[0]} && $languages{$_[0]}[1] }
sub lang2installer{ exists $languages{$_[0]} && ($languages{$_[0]}[4] || $languages{$_[0]}[1]) }

sub lang2LANG     { exists $languages{$_[0]} && $languages{$_[0]}[2] }
sub lang2LANGUAGE { exists $languages{$_[0]} && $languages{$_[0]}[3] }


sub set { 
    my ($lang) = @_;

    if ($lang && !exists $languages{$lang}) {
	
	my ($lang2) = grep { /^\Q$lang/ } list(); 
	my ($lang3) = grep { $lang =~ /^\Q$_/ } list(); 
	log::l("lang::set: fixing $lang with ", $lang2 || $lang3);
	$lang = $lang2 || $lang3;
    }

    if ($lang && exists $languages{$lang}) {
	
	
	
	
	
	if (!-e "$ENV{SHARE_PATH}/locale/$lang" && common::usingRamdisk()) {
	    @ENV{qw(LANG LC_ALL LANGUAGE LINGUAS)} = ();

	    eval { rm_rf("$ENV{SHARE_PATH}/locale") };
	    eval {
		require packdrake;
		my $packer = new packdrake("$ENV{SHARE_PATH}/locale.cz2", quiet => 1);
		$packer->extract_archive("$ENV{SHARE_PATH}/locale", lang2LANG($lang));
	    };
	}



	$ENV{LC_NUMERIC}		= "C";
	$ENV{LC_TIME}			= "C";
	$ENV{LC_COLLATE}		= "C";
	$ENV{LC_MONETARY}		= "C";
	$ENV{LC_PAPER}			= "C";
	$ENV{LC_NAME}			= "C";
	$ENV{LC_ADDRESS}		= "C";
	$ENV{LC_TELEPHONE}		= "C";
	$ENV{LC_MEASUREMENT}	= "C";
	$ENV{LC_IDENTIFICATION}	= "C";

	$ENV{LC_CTYPE}  = lang2LANG($lang);
	$ENV{LC_MESSAGES} = lang2LANG($lang);
	$ENV{LANG}      = lang2LANG($lang);
	$ENV{LANGUAGE}  = lang2LANGUAGE($lang);

	load_mo();
    } else {
	# stick with the default (English) */
	delete $ENV{LANG};
	delete $ENV{LC_ALL};
	delete $ENV{LANGUAGE};
	delete $ENV{LINGUAS};
    }
    $lang;
}

sub langs {
    my ($l) = @_;
    grep { $l->{$_} } keys %$l;
}

sub all_langs {
    my ($l) = @_;
    join ":", grep { $l->{$_} } keys %$l ;
}

sub install_langs {
    my ($l) = @_;
    my %hh;
    foreach (grep { $l->{$_} } keys %$l){
	s/^([^.]*)\..*/$1/;
	$hh{$_}=1;
	$hh{"ru_RU"}=1 if /be|uk/;
    }
    return keys %hh;
}

sub langsLANGUAGE {
    my ($l) = @_;
    my @l = $l->{all} ? list() : langs($l);
    uniq(map { split ':', lang2LANGUAGE($_) } @l);
}

sub pack_langs { 
    my ($l) = @_; 
    my $s = $l->{all} ? 'all' : join ':',install_langs($l);
    $ENV{RPM_INSTALL_LANG} = $s;
    $s;
}

sub unpack_langs {
    my ($s) = @_;
    my @l = uniq(map { split ':', lang2LANGUAGE($_) } split(':', $s));
    my @l2 = intersection(\@l, [ keys %languages ]);
    +{ map { $_ => 1 } @l2 };
}

sub read {
    my ($prefix) = @_;    
    my %h = getVarsFromSh("$prefix/etc/sysconfig/i18n");
    my $lang = $h{LC_MESSAGES} || 'en_US';
    my $langs = 
      cat_("$prefix/etc/rpm/macros") =~ /%_install_langs (.*)/ ? unpack_langs($1) : { $lang => 1 };
    $lang, $langs;
}

sub write_langs {
    my ($prefix, $langs) = @_;
    my $s = pack_langs($langs);
    symlink "$prefix/etc/rpm", "/etc/rpm" if $prefix;
    substInFile { s/%_install_langs.*//; $_ .= "%_install_langs $s\n" if eof && $s } "$prefix/etc/rpm/macros";
}

sub write { 
    my ($prefix, $lang,$langs) = @_;

    $lang or return;

    my $h = {};
    #$h->{$_} = $lang foreach qw(LC_COLLATE LC_CTYPE LC_MESSAGES LC_NUMERIC LC_MONETARY LC_TIME);
    if ($lang && exists $languages{$lang}) {
#	add2hash $h, { LANG => $lang, LANGUAGE => lang2LANGUAGE($lang) };
	add2hash $h, { LANG => $lang, LANGUAGE => all_langs($langs) };

	my $c = $charsets{lang2charset($lang) || ''};
	if ($c) {
	    my $p = "$prefix/usr/lib/kbd";
	    if ($c->[0]) {
		add2hash $h, { SYSFONT => $c->[0] };
		eval {
		    cp_af("$p/consolefonts/$c->[0].psf.gz", "$prefix/etc/sysconfig/console/consolefonts");
		};
		$@ and log::l("missing console font $c->[0]");
	    }
	    if ($c->[1]) {
		add2hash $h, { UNIMAP => $c->[1] };
		eval {
		    cp_af(glob_("$p/consoletrans/$c->[1]*"), "$prefix/etc/sysconfig/console/consoletrans");
		};
		$@ and log::l("missing console unimap file $c->[1]");
	    }
	    if ($c->[2]) {
		add2hash $h, { SYSFONTACM => $c->[2] };
		eval {
		    cp_af(glob_("$p/consoletrans/$c->[2]*"), "$prefix/etc/sysconfig/console/consoletrans");
		};
		$@ and log::l("missing console acm file $c->[2]");
	    }

	}

    }
    setVarsInSh("$prefix/etc/sysconfig/i18n", $h);
}

sub load_mo {
    my ($lang) = @_;
    my ($localedir, $suffix) = ("$ENV{SHARE_PATH}/locale", 'LC_MESSAGES/libDrakX.mo');
    $localedir .= "_special" if $::isInstall;

    $lang ||= $ENV{LANGUAGE} || $ENV{LC_ALL} || $ENV{LC_MESSAGES} || $ENV{LANG};

    c::setlocale();
    c::bindtextdomain('libDrakX', $localedir);

    foreach (split '_', $lang) {
	my $f = "$localedir/$_/$suffix";
	-s $f and return $_;

	if ($::isInstall && common::usingRamdisk()) {
	    # cleanup
	    eval { rm_rf($localedir) };
	    eval { mkdir_p(dirname("$localedir/$_/$suffix")) };
	    install_any::getAndSaveFile ("$localedir/$_/$suffix");

	    -s $f and return $_;
	}
    }
    '';
}



sub console_font_files {
    map { -e $_ ? $_ : "$_.gz" }
      (map { "/usr/lib/kbd/consolefonts/$_.psf" } uniq grep {$_} map { $_->[0] } values %charsets),
      (map { -e $_ ? $_ : "$_.sfm" } map { "/usr/lib/kbd/consoletrans/$_" } uniq grep {$_} map { $_->[1] } values %charsets),
      (map { -e $_ ? $_ : "$_.acm" } map { "/usr/lib/kbd/consoletrans/$_" } uniq grep {$_} map { $_->[2] } values %charsets),
}

sub load_console_font {
    my ($lang) = @_;
    my ($f, $u, $m) = @{$charsets{lang2installer($lang)} || []};

    require run_program;
    run_program::run(if_($ENV{LD_LOADER}, $ENV{LD_LOADER}), 
		     'consolechars', '-v', '-f', $f || 'lat0-sun16',
		     if_($u, '-u', $u), if_($m, '-m', $m));
}

















sub get_x_fontset {
    my ($lang, $size) = @_;

    my $charset = lang2charset($lang) or return;
    my $c = $charsets{$charset} or return;
    if (my $f = $bigfonts{$charset}) {
	my $dir = "/usr/X11R6/lib/X11/fonts";
	if (! -e "$dir/$f" && $::isInstall && common::usingRamdisk()) {
	    unlink "$dir/$_" foreach values %bigfonts;
	    install_any::remove_bigseldom_used ();
	    install_any::getAndSaveFile ("$dir/$f");
	}
    }
    my ($big, $small) = @$c[5..6];
    ($big, $small) = $big->($size) if ref $big;
    ($big, $small);
}

sub fs_options {
    my ($lang) = @_;
    my $charset = lang2charset($lang) or return;
    my $c = $charsets{$charset} or return;
    my ($iocharset, $codepage) = @$c[3..4];
    $iocharset, $codepage;
}

sub charset {
    my ($lang, $prefix) = @_;
    my $l = lang2LANG($lang);
    foreach (cat_("$prefix/usr/X11R6/lib/X11/locale/locale.alias")) {
	/$l:\s+.*\.(\S+)/ and return $1;
    }
    $l =~ /.*\.(\S+)/ and return $1;
}




1;