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path: root/solenv/bin/modules/installer/scppatchsoname.pm
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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::scppatchsoname;

use installer::files;
use installer::globals;
use installer::logger;
use installer::setupscript;
use installer::systemactions;

########################################################################################
# The length of the new string must be identical with the length of the old string
########################################################################################

sub change_length_of_string
{
    my ($newstringref, $oldstring) = @_;

    while ( length($$newstringref) < length($oldstring) )
    {
        $$newstringref = $$newstringref . chr(0);
    }
}

########################################################################################
# The length of the new string must be identical with the length of the old string
########################################################################################

sub change_length_of_string_with_letter
{
    my ($newstringref, $oldstring, $onestring) = @_;

    while ( length($$newstringref) < length($oldstring) )
    {
        $$newstringref = $$newstringref . $onestring;
    }
}

########################################################################################
# Converting a string to a unicode string
########################################################################################

sub convert_to_unicode
{
    my ($string) = @_;

    my $unicodestring = "";

    my $stringlength = length($string);

    for ( my $i = 0; $i < $stringlength; $i++ )
    {
        $unicodestring = $unicodestring . substr($string, $i, 1);
        $unicodestring = $unicodestring . chr(0);
    }

    return $unicodestring;
}

########################################################################################
# Replacing the so name in all files with flag PATCH_SO_NAME
########################################################################################

sub replace_productname_in_file
{
    my ($sourcepath, $destpath, $variableshashref, $onefilehash, $styles) = @_;

    my $onefile = installer::files::read_binary_file($sourcepath);

    # searching for "x"

    my $onestring = "x" . chr(0);
    my $replacestring = "";
    for ( my $i = 1; $i <= 80; $i++ ) { $replacestring .= $onestring; }

    my $productname = $variableshashref->{'PRODUCTNAME'} . " " . $variableshashref->{'PRODUCTVERSION'};
    if ( exists($onefilehash->{'FileDescription'}) ) { $productname = $onefilehash->{'FileDescription'}; }
    my $unicode_productname = convert_to_unicode($productname);

    change_length_of_string(\$unicode_productname, $replacestring);

    my $found1 = $onefile =~ s/$replacestring/$unicode_productname/sg;

    my $found2 = 0;

    if ( $styles =~ /\bPATCH_SO_NAME_Z\b/ )
    {
        # searching for "z"

        $onestring = "z" . chr(0);
        $replacestring = "";
        for ( my $i = 1; $i <= 80; $i++ ) { $replacestring .= $onestring; }

        my $productname2 = $variableshashref->{'PRODUCTNAME'} . " " . $variableshashref->{'PRODUCTVERSION'};
        if ( exists($onefilehash->{'FileDescriptionZ'}) ) { $productname2 = $onefilehash->{'FileDescriptionZ'}; }
        my $unicode_productname2 = convert_to_unicode($productname2);

        change_length_of_string_with_letter(\$unicode_productname2, $replacestring, $onestring);

        $found2 = $onefile =~ s/$replacestring/$unicode_productname2/sg;
    }

    installer::files::save_binary_file($onefile, $destpath);

    my $found = $found1 + $found2;

    return $found;
}

#########################################################
# Analyzing files with flag PATCH_SO_NAME
#########################################################

sub resolving_patchsoname_flag
{
    my ($filesarrayref, $variableshashref, $item, $languagestringref) = @_;

    my $diritem = lc($item);

    my $replacedirbase = installer::systemactions::create_directories("patchsoname_$diritem", $languagestringref);

    installer::logger::include_header_into_logfile("$item with flag PATCH_SO_NAME:");

    for ( my $i = 0; $i <= $#{$filesarrayref}; $i++ )
    {
        my $onefile = ${$filesarrayref}[$i];
        my $styles = "";

        if ( $onefile->{'Styles'} ) { $styles = $onefile->{'Styles'}; }

        if ( $styles =~ /\bPATCH_SO_NAME\b/ )
        {
            # Language specific subdirectory

            my $onelanguage = $onefile->{'specificlanguage'};
            my $filedescription = "";

            if ($onelanguage eq "")
            {
                $onelanguage = "00";    # files without language into directory "00"
            }

            my $replacedir = $replacedirbase . $installer::globals::separator . $onelanguage . $installer::globals::separator;
            installer::systemactions::create_directory($replacedir);    # creating language specific directories

            # copy files and edit them with the variables defined in the zip.lst

            my $onefilename = $onefile->{'Name'};
            my $sourcepath = $onefile->{'sourcepath'};
            my $destinationpath = $replacedir . $onefilename;
            my $movepath = $destinationpath . ".orig";

            my $copysuccess = installer::systemactions::copy_one_file($sourcepath, $movepath);

            if ( $copysuccess )
            {
                # Now the file can be patch (binary!)
                my $found = replace_productname_in_file($movepath, $destinationpath, $variableshashref, $onefile, $styles);

                if ($found == 0)
                {
                    my $infoline = "Did not patch the file $destinationpath\n";
                    push( @installer::globals::logfileinfo, $infoline);
                }
                else
                {
                    my $infoline = "Successfully patched $destinationpath, Count: $found\n";
                    push( @installer::globals::logfileinfo, $infoline);
                }
            }

            # Saving the original source, where the file was found
            $onefile->{'originalsourcepath'} = $onefile->{'sourcepath'};

            # Saving the original source, where the file was found
            $onefile->{'originalsourcepath'} = $onefile->{'sourcepath'};

            # Writing the new sourcepath into the hashref, even if it was no copied

            $onefile->{'sourcepath'} = $destinationpath;
        }
    }

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

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