120 lines
3.1 KiB
Perl
120 lines
3.1 KiB
Perl
#
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# This file is part of the LibreOffice project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# This file incorporates work covered by the following license notice:
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed
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# with this work for additional information regarding copyright
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# ownership. The ASF licenses this file to you under the Apache
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# License, Version 2.0 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.apache.org/licenses/LICENSE-2.0 .
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#
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package installer::files;
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use strict;
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use warnings;
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use installer::exiter;
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use installer::logger;
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############################################
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# File Operations
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############################################
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sub check_file
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{
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my ($arg) = @_;
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if(!( -f $arg ))
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{
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installer::exiter::exit_program("ERROR: Cannot find file $arg", "check_file");
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}
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}
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sub read_file
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{
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my ($localfile) = @_;
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my @localfile = ();
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open( IN, "<$localfile" ) || installer::exiter::exit_program("ERROR: Cannot open file $localfile for reading", "read_file");
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# Don't use "my @localfile = <IN>" here, because
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# perl has a problem with the internal "large_and_huge_malloc" function
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# when calling perl using MacOS 10.5 with a perl built with MacOS 10.4
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while ( my $line = <IN> ) {
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push @localfile, $line;
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}
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close( IN );
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return \@localfile;
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}
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###########################################
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# Saving files, arrays and hashes
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###########################################
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sub save_file
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{
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my ($savefile, $savecontent) = @_;
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if ( open( OUT, ">$savefile" ) )
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{
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print OUT @{$savecontent};
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close( OUT);
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}
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else
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{
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# it is useless to save a log file, if there is no write access
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if ( $savefile =~ /\.log/ )
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{
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print "\n*************************************************\n";
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print "ERROR: Cannot write log file $savefile, $!";
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print "\n*************************************************\n";
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exit(-1); # exiting the program to avoid endless loops
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}
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installer::exiter::exit_program("ERROR: Cannot open file $savefile for writing", "save_file");
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}
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}
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###########################################
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# Binary file operations
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###########################################
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sub read_binary_file
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{
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my ($filename) = @_;
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my $file;
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open( IN, "<$filename" ) || installer::exiter::exit_program("ERROR: Cannot open file $filename for reading", "read_binary_file");
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binmode IN;
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seek IN, 0, 2;
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my $length = tell IN;
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seek IN, 0, 0;
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read IN, $file, $length;
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close IN;
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return $file;
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}
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sub save_binary_file
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{
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my ($file, $filename) = @_;
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open( OUT, ">$filename" ) || installer::exiter::exit_program("ERROR: Cannot open file $filename for writing", "save_binary_file");
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binmode OUT;
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print OUT $file;
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close OUT;
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}
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1;
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