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#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This file incorporates work covered by the following license notice:
#
#   Licensed to the Apache Software Foundation (ASF) under one or more
#   contributor license agreements. See the NOTICE file distributed
#   with this work for additional information regarding copyright
#   ownership. The ASF licenses this file to you under the Apache
#   License, Version 2.0 (the "License"); you may not use this file
#   except in compliance with the License. You may obtain a copy of
#   the License at http://www.apache.org/licenses/LICENSE-2.0 .
#

package installer::languagepack;

use installer::converter;
use installer::files;
use installer::globals;
use installer::logger;
use installer::pathanalyzer;
use installer::scpzipfiles;
use installer::scriptitems;
use installer::systemactions;
use installer::worker;

####################################################
# Selecting all files with the correct language
####################################################

sub select_language_items
{
    my ( $itemsref, $languagesarrayref, $itemname ) = @_;

    installer::logger::include_header_into_logfile("Selecting languages for language pack. Item: $itemname");

    my @itemsarray = ();

    for ( my $i = 0; $i <= $#{$itemsref}; $i++ )
    {
        my $oneitem = ${$itemsref}[$i];

        my $ismultilingual = $oneitem->{'ismultilingual'};

        if (!($ismultilingual))
        {
            # Files with style "LANGUAGEPACK" and "FORCELANGUAGEPACK" also have to be included into the language pack.
            # Files with style "LANGUAGEPACK" are only included into language packs.
            # Files with style "FORCELANGUAGEPACK" are included into language packs and non language packs. They are
            # forced, because otherwise they not not be included into languagepacks.

            my $styles = "";
            if ( $oneitem->{'Styles'} ) { $styles = $oneitem->{'Styles'}; }

            if (( $styles =~ /\bLANGUAGEPACK\b/ ) || ( $styles =~ /\bFORCELANGUAGEPACK\b/ )) { push(@itemsarray, $oneitem); }

            next;   # single language files are not included into language pack
        }

        my $specificlanguage = "";
        if ( $oneitem->{'specificlanguage'} ) { $specificlanguage = $oneitem->{'specificlanguage'}; }

        for ( my $j = 0; $j <= $#{$languagesarrayref}; $j++ )   # iterating over all languages
        {
            my $onelanguage = ${$languagesarrayref}[$j];
            my $locallang = $onelanguage;
            $locallang =~ s/-/_/;

            if ( $specificlanguage eq $onelanguage )
            {
                push(@itemsarray, $oneitem);
            }
        }
    }

    return \@itemsarray;
}

sub replace_languagestring_variable
{
    my ($onepackageref, $languagestringref) = @_;

    my $key;

    foreach $key (keys %{$onepackageref})
    {
        my $value = $onepackageref->{$key};
        $value =~ s/\%LANGUAGESTRING/$$languagestringref/g;
        $onepackageref->{$key} = $value;
    }
}

#########################################################
# Including the license text into the script template
#########################################################

sub put_license_file_into_script
{
    my ($scriptfile, $licensefile) = @_;

    my $infoline = "Adding licensefile into language pack script\n";
    push( @installer::globals::logfileinfo, $infoline);

    my $includestring = "";

    for ( my $i = 0; $i <= $#{$licensefile}; $i++ )
    {
        $includestring = $includestring . ${$licensefile}[$i];
    }

    for ( my $i = 0; $i <= $#{$scriptfile}; $i++ )
    {
        ${$scriptfile}[$i] =~ s/LICENSEFILEPLACEHOLDER/$includestring/;
    }
}

#########################################################
# Creating a tar.gz file from a Solaris package
#########################################################

sub create_tar_gz_file
{
    my ($installdir, $packagename, $packagestring) = @_;

    $packagename =~ s/\.rpm\s*$//;
    my $targzname = $packagename . ".tar.gz";
    $systemcall = "cd $installdir; tar -cf - $packagestring | gzip > $targzname";
    installer::logger::print_message( "... $systemcall ...\n" );

    my $returnvalue = system($systemcall);

    my $infoline = "Systemcall: $systemcall\n";
    push( @installer::globals::logfileinfo, $infoline);

    if ($returnvalue)
    {
        $infoline = "ERROR: Could not execute \"$systemcall\"!\n";
        push( @installer::globals::logfileinfo, $infoline);
    }
    else
    {
        $infoline = "Success: Executed \"$systemcall\" successfully!\n";
        push( @installer::globals::logfileinfo, $infoline);
    }

    return $targzname;
}

#########################################################
# Determining the name of the package file
#########################################################

sub get_packagename_from_packagelist
{
    my ( $alldirs, $allvariables, $languagestringref ) = @_;

    my $localproductname = $allvariables->{'PRODUCTNAME'};
    $localproductname = lc($localproductname);
    $localproductname =~ s/ //g;
    $localproductname =~ s/-/_/g;

    my $packagename = $localproductname . "_" . $$languagestringref;

    return $packagename;
}

#########################################################
# Determining the name of the package file or the rpm
# in the installation directory. For language packs
# there is only one file in this directory
#########################################################

sub determine_packagename
{
    my ( $installdir, $allvariables, $languagestringref ) = @_;

    my $packagename = "";
    my $allnames = "";

    if ( $installer::globals::isrpmbuild )
    {
        # determining the rpm file in directory $installdir

        my $fileextension = "rpm";
        my $rpmfiles = installer::systemactions::find_file_with_file_extension($fileextension, $installdir);
        if ( ! ( $#{$rpmfiles} > -1 )) { installer::exiter::exit_program("ERROR: Could not find package in directory $installdir!", "determine_packagename"); }
        my $rpmsav = [@{$rpmfiles}];
        for ( my $i = 0; $i <= $#{$rpmfiles}; $i++ ) { installer::pathanalyzer::make_absolute_filename_to_relative_filename(\${$rpmfiles}[$i]); }

        $packagename = get_packagename_from_packagelist($rpmfiles, $allvariables, $languagestringref);

        my $packagestring = installer::converter::convert_array_to_space_separated_string($rpmfiles);
        $packagename = create_tar_gz_file($installdir, $packagename, $packagestring);   # only one file
        for ( my $i = 0; $i <= $#{$rpmsav}; $i++ )
        {
            my $onefile = $installdir . $installer::globals::separator . ${$rpmsav}[$i];
            unlink($onefile);
        }

        $allnames = $rpmfiles;
    }

    if ( $installer::globals::issolarisbuild )
    {
        # determining the Solaris package file in directory $installdir
        my $alldirs = installer::systemactions::get_all_directories($installdir);

        if ( ! ( $#{$alldirs} > -1 )) { installer::exiter::exit_program("ERROR: Could not find package in directory $installdir!", "determine_packagename"); }
        my $alldirssav = [@{$alldirs}];
        for ( my $i = 0; $i <= $#{$alldirs}; $i++ ) { installer::pathanalyzer::make_absolute_filename_to_relative_filename(\${$alldirs}[$i]); }

        $packagename = get_packagename_from_packagelist($alldirs, $allvariables, $languagestringref);
        my $packagestring = installer::converter::convert_array_to_space_separated_string($alldirs);
        $packagename = create_tar_gz_file($installdir, $packagename, $packagestring);   # only a file (not a directory) can be included into the shell script
        for ( my $i = 0; $i <= $#{$alldirssav}; $i++ ) { installer::systemactions::remove_complete_directory(${$alldirssav}[$i], 1); }
        $allnames = $alldirs;
    }

    my $infoline = "Found package in installation directory $installdir : $packagename\n";
    push( @installer::globals::logfileinfo, $infoline);

    return ( $packagename, $allnames);
}

#########################################################
# Including the name of the package file or the rpm
# into the script template
#########################################################

sub put_packagename_into_script
{
    my ($scriptfile, $packagename, $allnames) = @_;

    my $localpackagename = $packagename;
    $localpackagename =~ s/\.tar\.gz//; # making "OOOopenoffice-it-ea.tar.gz" to "OOOopenoffice-it-ea"
    my $infoline = "Adding packagename $localpackagename into language pack script\n";
    push( @installer::globals::logfileinfo, $infoline);

    my $installline = "";

    if ( $installer::globals::issolarisbuild ) { $installline = "  /usr/sbin/pkgadd -d \$outdir -a \$adminfile"; }

    if ( $installer::globals::isrpmbuild ) { $installline = "  rpm --prefix \$PRODUCTINSTALLLOCATION --replacepkgs -i"; }

    for ( my $i = 0; $i <= $#{$allnames}; $i++ )
    {
        if ( $installer::globals::issolarisbuild ) { $installline = $installline . " ${$allnames}[$i]"; }

        if ( $installer::globals::isrpmbuild ) { $installline = $installline . " \$outdir/${$allnames}[$i]"; }
    }

    for ( my $j = 0; $j <= $#{$scriptfile}; $j++ )
    {
        ${$scriptfile}[$j] =~ s/INSTALLLINES/$installline/;
    }
}

##################################################################
# Including the lowercase product name into the script template
##################################################################

sub put_productname_into_script
{
    my ($scriptfile, $variableshashref) = @_;

    my $productname = $variableshashref->{'PRODUCTNAME'};
    $productname = lc($productname);
    $productname =~ s/\.//g;    # openoffice.org -> openofficeorg

    my $infoline = "Adding productname $productname into language pack script\n";
    push( @installer::globals::logfileinfo, $infoline);

    for ( my $i = 0; $i <= $#{$scriptfile}; $i++ )
    {
        ${$scriptfile}[$i] =~ s/PRODUCTNAMEPLACEHOLDER/$productname/;
    }
}

##################################################################
# Including the full product name into the script template
# (name and version)
##################################################################

sub put_fullproductname_into_script
{
    my ($scriptfile, $variableshashref) = @_;

    my $productname = $variableshashref->{'PRODUCTNAME'};
    my $productversion = "";
    if ( $variableshashref->{'PRODUCTVERSION'} ) { $productversion = $variableshashref->{'PRODUCTVERSION'}; };
    my $fullproductname = $productname . " " . $productversion;

    my $infoline = "Adding full productname \"$fullproductname\" into language pack script\n";
    push( @installer::globals::logfileinfo, $infoline);

    for ( my $i = 0; $i <= $#{$scriptfile}; $i++ )
    {
        ${$scriptfile}[$i] =~ s/FULLPRODUCTNAMELONGPLACEHOLDER/$fullproductname/;
    }
}

##################################################################
# Including the name of the search package (-core01)
# into the script template
##################################################################

sub put_searchpackage_into_script
{
    my ($scriptfile, $variableshashref) = @_;

    my $basispackageprefix = $variableshashref->{'BASISPACKAGEPREFIX'};
    my $productversion = $variableshashref->{'PRODUCTVERSION'};

    if ( $installer::globals::issolarisbuild ) { $productversion =~ s/\.//g; } # "3.0" -> "30"

    my $infoline = "Adding basis package prefix $basispackageprefix into language pack script\n";
    push( @installer::globals::logfileinfo, $infoline);

    $infoline = "Adding basis package version $productversion into language pack script\n";
    push( @installer::globals::logfileinfo, $infoline);

    for ( my $i = 0; $i <= $#{$scriptfile}; $i++ )
    {
        ${$scriptfile}[$i] =~ s/BASISPACKAGEPREFIXPLACEHOLDER/$basispackageprefix/;
        ${$scriptfile}[$i] =~ s/PRODUCTVERSIONPLACEHOLDER/$productversion/;
    }

}

#########################################################
# Including the linenumber into the script template
#########################################################

sub put_linenumber_into_script
{
    my ( $scriptfile, $licensefile, $allnames ) = @_;

    my $linenumber =  $#{$scriptfile} + $#{$licensefile} + 3;   # also adding the content of the license file!

    my $infoline = "Adding linenumber $linenumber into language pack script\n";
    push( @installer::globals::logfileinfo, $infoline);

    for ( my $i = 0; $i <= $#{$scriptfile}; $i++ )
    {
        ${$scriptfile}[$i] =~ s/LINENUMBERPLACEHOLDER/$linenumber/;
    }
}

#########################################################
# Determining the name of the new scriptfile
#########################################################

sub determine_scriptfile_name
{
    my ( $packagename ) = @_;

    my $scriptfilename = $packagename;

    $scriptfilename =~ s/\.tar\.gz\s*$/\.sh/;

    my $infoline = "Setting language pack script file name to $scriptfilename\n";
    push( @installer::globals::logfileinfo, $infoline);

    return $scriptfilename;
}

#########################################################
# Saving the script file in the installation directory
#########################################################

sub save_script_file
{
    my ($installdir, $newscriptfilename, $scriptfile) = @_;

    $newscriptfilename = $installdir . $installer::globals::separator . $newscriptfilename;
    installer::files::save_file($newscriptfilename, $scriptfile);

    my $infoline = "Saving script file $newscriptfilename\n";
    push( @installer::globals::logfileinfo, $infoline);

    return $newscriptfilename;
}

#########################################################
# Including the binary package into the script
#########################################################

sub include_package_into_script
{
    my ( $scriptfilename, $installdir, $packagename ) = @_;

    my $longpackagename = $installdir . $installer::globals::separator . $packagename;
    my $systemcall = "cat $longpackagename >>$scriptfilename";

    my $returnvalue = system($systemcall);

    my $infoline = "Systemcall: $systemcall\n";
    push( @installer::globals::logfileinfo, $infoline);

    if ($returnvalue)
    {
        $infoline = "ERROR: Could not execute \"$systemcall\"!\n";
        push( @installer::globals::logfileinfo, $infoline);
    }
    else
    {
        $infoline = "Success: Executed \"$systemcall\" successfully!\n";
        push( @installer::globals::logfileinfo, $infoline);
    }

    chmod 0775, $scriptfilename;

}

#########################################################
# Removing the binary package
#########################################################

sub remove_package
{
    my ( $installdir, $packagename ) = @_;

    my $remove_package = 1;

    if ( $ENV{'DONT_REMOVE_PACKAGE'} ) { $remove_package = 0; }

    if ( $remove_package )
    {
        my $longpackagename = $installdir . $installer::globals::separator . $packagename;
        unlink $longpackagename;

        my $infoline = "Removing package: $longpackagename \n";
        push( @installer::globals::logfileinfo, $infoline);
    }
}

####################################################
# Unix language packs, that are not part of
# multilingual installation sets, need a
# shell script installer
####################################################

sub build_installer_for_languagepack
{
    my ($installdir, $allvariableshashref, $includepatharrayref, $languagesarrayref, $languagestringref) = @_;

    installer::logger::print_message( "... creating shell script installer ...\n" );

    installer::logger::include_header_into_logfile("Creating shell script installer:");

    # find and read setup script template

    my $scriptfilename = $ENV{'SRCDIR'} . "/setup_native/scripts/langpackscript.sh";
    if (! -f $scriptfilename) { installer::exiter::exit_program("ERROR: Could not find script file $scriptfilename!", "build_installer_for_languagepack"); }
    my $scriptfile = installer::files::read_file($scriptfilename);

    my $infoline = "Found  script file $scriptfilename: $scriptfile \n";
    push( @installer::globals::logfileinfo, $infoline);

    # find and read english license file
    my $licenselanguage = "en-US";                  # always english !
    my $licensefilename = "LICENSE";
    my $licenseincludepatharrayref = installer::worker::get_language_specific_include_paths($includepatharrayref, $licenselanguage);

    my $licenseref = installer::scriptitems::get_sourcepath_from_filename_and_includepath(\$licensefilename, $licenseincludepatharrayref, 0);
    if ($$licenseref eq "") { installer::exiter::exit_program("ERROR: Could not find License file $licensefilename!", "build_installer_for_languagepack"); }
    my $licensefile = installer::files::read_file($$licenseref);

    $infoline = "Found licensefile $licensefilename: $$licenseref \n";
    push( @installer::globals::logfileinfo, $infoline);

    # including variables into license file
    installer::scpzipfiles::replace_all_ziplistvariables_in_file($licensefile, $allvariableshashref);

    # add license text into script template
    put_license_file_into_script($scriptfile, $licensefile);

    # add rpm or package file name into script template
    my ( $packagename, $allnames) = determine_packagename($installdir, $allvariableshashref, $languagestringref);
    put_packagename_into_script($scriptfile, $packagename, $allnames);

    # add product name into script template
    put_productname_into_script($scriptfile, $allvariableshashref);

    # add product name into script template
    put_fullproductname_into_script($scriptfile, $allvariableshashref);

    # add product name into script template
    put_searchpackage_into_script($scriptfile, $allvariableshashref);

    # replace linenumber in script template
    put_linenumber_into_script($scriptfile, $licensefile, $allnames);

    # saving the script file
    my $newscriptfilename = determine_scriptfile_name($packagename);
    $newscriptfilename = save_script_file($installdir, $newscriptfilename, $scriptfile);

    # include rpm or package into script
    include_package_into_script($newscriptfilename, $installdir, $packagename);

    # remove rpm or package
    remove_package($installdir, $packagename);
}

1;