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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 .
+#
+
+use warnings;
+use strict;
+use diagnostics;
+
+sub trim;
+sub readRedirectionValues($);
+
+my $usage =
+ "Usage is: \n subst_template.pl configTemplate redirections policyConfig
+
+ configTemplate: The config file which is used for the policy assembly. It
+ contains place holders for the binding redirection.
+
+ redirections: file containing the values for oldVersion and newVersion tags
+ which are used in the BindingRedirect element of the config files.
+
+ policyConfig: Name of the file in which we want to write the config file.
+";
+
+
+if (scalar @ARGV < 3) {
+ print $usage;
+ exit -1;
+}
+
+
+my %redirectionValue = readRedirectionValues($ARGV[1]);
+#print "|$_| |$redirectionValue{$_}|\n", for keys %redirectionValue;
+
+
+#Read config file in which we will replace the versions
+$/ = undef;
+open TEMPLATE, $ARGV[0] or die $!;
+my $templ = <TEMPLATE>;
+
+#Open the config file we are goint to write to
+open CONFIG, "> $ARGV[2]" or die "Cannot write to $ARGV[2] $!";
+
+#No substitute the place holders for oldVersion and new Version in the config template with
+#the values obtained from the redirections file
+for (keys %redirectionValue) {
+ $templ=~ s/\b$_\b/$redirectionValue{$_}/;
+}
+#Write the config file
+print CONFIG $templ;
+
+#Reads the key value pairs from the files, which name must be passed in
+#the parameter. The file contains lines of the form name=value, for example
+#CLI_TYPES_OLD_VERSION=1.1.0.0-1.1.1.0
+sub readRedirectionValues($)
+{
+ #Read in the values for the version redirection
+ open REDIR, $_[0] or die $!;
+
+ my %redirectionValues;
+
+ while (<REDIR>)
+ {
+ chomp;
+ my $trimmed;
+ #Skip empty lines
+ if (length($trimmed = trim($_)) == 0) {
+ next;
+ }
+
+ #Skip comment symbol: #
+ if ($trimmed =~ /^#/) {
+ next;
+ }
+
+ my @lineParts = split /=/,$_;
+
+ #Check if we have valid name value pairs.
+ if (scalar @lineParts != 2) {
+ print "Error: Values in $ARGV[1] are not correct (Entries must have the form name=value). Invalid line: \n$_\n";
+ exit -1;
+ }
+
+ #Trim the strings and check if they still contain characters
+ my $name = trim($lineParts[0]);
+ my $value = trim($lineParts[1]);
+ if (length($name) == 0 || length($value) == 0) {
+ print "Error: Values in $ARGV[1] are not correct. Invalid line: \n$_\n";
+ exit -1;
+ }
+
+ #Check if we have duplicate key names
+ for (keys %redirectionValues) {
+ if ( $name eq $_) {
+ print "Error: Values in $ARGV[1] are not correct. The name $_ is not unique.\n";
+ exit -1;
+ }
+ }
+
+ $redirectionValues{$name} = $value;
+ }
+ return %redirectionValues;
+}
+
+sub trim($)
+{
+ my $string = shift;
+ $string =~ s/^\s+//;
+ $string =~ s/\s+$//;
+ return $string;
+}