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package installer::languages;

use installer::converter;
use installer::existence;
use installer::exiter;
use installer::globals;
use installer::remover;
use installer::ziplist;

#############################################################################
# Analyzing the laguage list parameter and language list from zip list file
#############################################################################

sub analyze_languagelist
{	
	my $first = $installer::globals::languagelist;
	
	$first =~ s/\_/\,/g;	# substituting "_" by ",", in case of dmake definition 01_49

	# Products are separated by a "#", if defined in zip-list by a "|". But "get_info_about_languages" 
	# substitutes already "|" to "#". This procedure only knows "#" as product separator.
	# Different languages for one product are separated by ",". But on the command line the "_" is used.
	# Therefore "_" is replaced by "," at the beginning of this procedure.
	
	while ($first =~ /^(\S+)\#(\S+?)$/)	# Minimal matching, to keep the order of languages
	{
		$first = $1;
		my $last = $2;	
		unshift(@installer::globals::languageproducts, $last);
	}	

	unshift(@installer::globals::languageproducts, $first);
}

####################################################
# Reading languages from zip list file
####################################################

sub get_info_about_languages 
{
	my ( $allsettingsarrayref ) = @_;

	my $languagelistref;

	$languagelistref = installer::ziplist::getinfofromziplist($allsettingsarrayref, "languages");
	$installer::globals::languagelist = $$languagelistref;

	if ( $installer::globals::languagelist eq "" )	# not defined on command line and not in product list
	{
		installer::exiter::exit_program("ERROR: Languages not defined on command line (-l) and not in product list!", "get_info_about_languages");
	}
		
	# Adapting the separator format from zip list.
	# | means new product, , (comma) means more than one language in one product
	# On the command line, | is difficult to use. Therefore this script uses hashes
		
	$installer::globals::languagelist =~ s/\|/\#/g;

	analyze_languagelist();
}

#############################################################################
# Checking whether all elements of an array A are also member of array B
#############################################################################

sub all_elements_of_array1_in_array2
{
	my ($array1, $array2) = @_;

	my $array2_contains_all_elements_of_array1 = 1;

	for ( my $i = 0; $i <= $#{$array1}; $i++ )
	{
		if (! installer::existence::exists_in_array(${$array1}[$i], $array2))		
		{
			$array2_contains_all_elements_of_array1 = 0;
			last;
		}	
	}

	return $array2_contains_all_elements_of_array1;
}

#############################################
# All languages defined for one product
#############################################
 
sub get_all_languages_for_one_product
{
	my ( $languagestring, $allvariables ) = @_;
	
	my @languagearray = ();

	my $last = $languagestring;
	
	$installer::globals::ismultilingual = 0;		# setting the global variable $ismultilingual !
	if ( $languagestring =~ /\,/ ) { $installer::globals::ismultilingual = 1; }
	
	while ( $last =~ /^\s*(.+?)\,(.+)\s*$/)	# "$" for minimal matching, comma separated list
	{
		my $first = $1;
		$last = $2;
		installer::remover::remove_leading_and_ending_whitespaces(\$first);
		push(@languagearray, "$first");
	}	

	installer::remover::remove_leading_and_ending_whitespaces(\$last);
	push(@languagearray, "$last");	

	if ( $installer::globals::iswindowsbuild )
	{
		my $furthercheck = 1;
		
		# For some languages (that are not supported by Windows, english needs to be added to the installation set
		# Languages saved in "@installer::globals::noMSLocaleLangs"

		if ( all_elements_of_array1_in_array2(\@languagearray, \@installer::globals::noMSLocaleLangs) )
		{
			my $officestartlanguage = $languagearray[0];
			unshift(@languagearray, "en-US");	# am Anfang einfügen!
			$installer::globals::ismultilingual = 1;
			$installer::globals::added_english  = 1;
			$installer::globals::set_office_start_language  = 1;
			# setting the variable PRODUCTLANGUAGE, needed for Linguistic-ForceDefaultLanguage.xcu
			$allvariables->{'PRODUCTLANGUAGE'} = $officestartlanguage;
			$furthercheck = 0;
		}
		
		# In bilingual installation sets, in which english is the first language,
		# the Office start language shall be the second language.

		if ( $furthercheck )
		{
			if (( $#languagearray == 1 ) && ( $languagearray[0] eq "en-US" ))
			{
				my $officestartlanguage = $languagearray[1];
				$installer::globals::set_office_start_language  = 1;
				# setting the variable PRODUCTLANGUAGE, needed for Linguistic-ForceDefaultLanguage.xcu
				$allvariables->{'PRODUCTLANGUAGE'} = $officestartlanguage;				
			}
		}		
	}

	return \@languagearray;
}

####################################################################################
# FAKE: The languages string may contain only "de", "en-US", instead of "01", ...
# But this has to be removed as soon as possible.
# In the future the languages are determined with "en-US" instead "01"
# already on the command line and in the zip list file.
####################################################################################

sub fake_languagesstring
{
	my ($stringref) = @_;
	
	# ATTENTION: This function has to be removed as soon as possible!
	
	$$stringref =~ s/01/en-US/;
	$$stringref =~ s/03/pt/;
	$$stringref =~ s/07/ru/;
	$$stringref =~ s/30/el/;
	$$stringref =~ s/31/nl/;
	$$stringref =~ s/33/fr/;
	$$stringref =~ s/34/es/;
	$$stringref =~ s/35/fi/;
	$$stringref =~ s/36/hu/;
	$$stringref =~ s/37/ca/;
	$$stringref =~ s/39/it/;
	$$stringref =~ s/42/cs/;
	$$stringref =~ s/43/sk/;
	$$stringref =~ s/44/en-GB/;
	$$stringref =~ s/45/da/;
	$$stringref =~ s/46/sv/;
	$$stringref =~ s/47/no/;
	$$stringref =~ s/48/pl/;
	$$stringref =~ s/49/de/;
	$$stringref =~ s/55/pt-BR/;
	$$stringref =~ s/66/th/;
	$$stringref =~ s/77/et/;
	$$stringref =~ s/81/ja/;
	$$stringref =~ s/82/ko/;
	$$stringref =~ s/86/zh-CN/;
	$$stringref =~ s/88/zh-TW/;
	$$stringref =~ s/90/tr/;
	$$stringref =~ s/91/hi-IN/;
	$$stringref =~ s/96/ar/;
	$$stringref =~ s/97/he/;
}

##########################################################
# Converting the language array into a string for output
##########################################################

sub get_language_string
{
	my ($languagesref) = @_;

	my $newstring = "";

	for ( my $i = 0; $i <= $#{$languagesref}; $i++ )
	{
		$newstring = $newstring . ${$languagesref}[$i] . "_";
	}

	# remove ending underline

	$newstring =~ s/\_\s*$//;

	return \$newstring;
}

##########################################################
# Analyzing the languages in the languages array and 
# returning the most important language
##########################################################

sub get_default_language
{
	my ($languagesref) = @_;
	
	return ${$languagesref}[0];		# ToDo, only returning the first language
}

#############################################################
# Contains the installation set one of the asian languages?
#############################################################

sub detect_asian_language
{
	my ($languagesref) = @_;

	my $containsasia = 0;

	for ( my $i = 0; $i <= $#{$languagesref}; $i++ )
	{
		my $onelang = ${$languagesref}[$i];
		$onelang =~ s/\s*$//;

		for ( my $j = 0; $j <= $#installer::globals::asianlanguages; $j++ )
		{
			my $asialang = $installer::globals::asianlanguages[$j];
			$asialang =~ s/\s*$//;
			
			if ( $onelang eq $asialang )
			{
				$containsasia = 1;
				last;
			}
		}
		
		if ( $containsasia ) { last; }
	}

	return $containsasia;
}

#############################################################
# Contains the installation set only asian languages?
#############################################################

sub contains_only_asian_languages
{
	my ($languagesref) = @_;

	my $onlyasian = 1;

	for ( my $i = 0; $i <= $#{$languagesref}; $i++ )
	{
		my $onelang = ${$languagesref}[$i];
		$onelang =~ s/\s*$//;

		if (! installer::existence::exists_in_array($onelang, \@installer::globals::asianlanguages))		
		{
			$onlyasian = 0;
			last;
		}
	}

	return $onlyasian;
}

################################################################
# Contains the installation set one of the western languages
################################################################

sub detect_western_language
{
	my ($languagesref) = @_;

	my $containswestern = 1;
	
	if ( contains_only_asian_languages($languagesref) ) { $containswestern = 0; }

	return $containswestern;
}

################################################################
# Determining the language used by the Java installer
################################################################

sub get_java_language
{
	my ( $language ) = @_;
	
	# my $javalanguage = "";
	
	# if ( $language eq "en-US" ) { $javalanguage = "en_US"; }
	# elsif ( $language eq "ar" ) { $javalanguage = "ar_AR"; }
	# elsif ( $language eq "bg" ) { $javalanguage = "bg_BG"; }
	# elsif ( $language eq "ca" ) { $javalanguage = "ca_CA"; }
	# elsif ( $language eq "cs" ) { $javalanguage = "cs_CS"; }
	# elsif ( $language eq "da" ) { $javalanguage = "da_DA"; }
	# elsif ( $language eq "de" ) { $javalanguage = "de"; }
	# elsif ( $language eq "de" ) { $javalanguage = "de_DE"; }
	# elsif ( $language eq "et" ) { $javalanguage = "et_ET"; }
	# elsif ( $language eq "el" ) { $javalanguage = "el_EL"; }
	# elsif ( $language eq "fi" ) { $javalanguage = "fi_FI"; }
	# elsif ( $language eq "fr" ) { $javalanguage = "fr_FR"; }
	# elsif ( $language eq "hu" ) { $javalanguage = "hu_HU"; }
	# elsif ( $language eq "he" ) { $javalanguage = "he_HE"; }
	# elsif ( $language eq "it" ) { $javalanguage = "it_IT"; }
	# elsif ( $language eq "nl" ) { $javalanguage = "nl_NL"; }
	# elsif ( $language eq "es" ) { $javalanguage = "es_ES"; }
	# elsif ( $language eq "sv" ) { $javalanguage = "sv_SV"; }
	# elsif ( $language eq "sk" ) { $javalanguage = "sk_SK"; }
	# elsif ( $language eq "pl" ) { $javalanguage = "pl_PL"; }
	# elsif ( $language eq "pt-BR" ) { $javalanguage = "pt_BR"; }
	# elsif ( $language eq "ru" ) { $javalanguage = "ru_RU"; }
	# elsif ( $language eq "tr" ) { $javalanguage = "tr_TR"; }
	# elsif ( $language eq "ja" ) { $javalanguage = "ja"; }
	# elsif ( $language eq "ja" ) { $javalanguage = "ja_JP"; }
	# elsif ( $language eq "ko" ) { $javalanguage = "ko_KR"; }
	# elsif ( $language eq "th" ) { $javalanguage = "th_TH"; }
	# elsif ( $language eq "zh-CN" ) { $javalanguage = "zh_CN"; }
	# elsif ( $language eq "zh-TW" ) { $javalanguage = "zh_TW"; }
	
	# languages not defined yet
	# if ( $javalanguage eq "" )
	# {
	# 	$javalanguage = $language;
	#	$javalanguage =~ s/\-/\_/;	
	# }

	$javalanguage = $language;
	$javalanguage =~ s/\-/\_/;	

	return $javalanguage;
}

1;
