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#!/usr/bin/perl -w
use strict;
# A small script to convert current-style KOffice tar storages to storages
# compatible with KOffice 1.0 and KOffice 1.1(.1)
# Note to developers:
# Add the PID (in Perl: $$ ) to all fixed temporary directory/file names,
# so that this script can be run multiple times at once.
# Holds the directory tree
my @rootdir;
my $tmpdir = "/tmp/kofficeconverter$$" ;
print "Using temporary directory... $tmpdir\n";
# Holds the source/dest of the files to fix
my @needFixing;
# Walk the whole archive and collect information about the files
# This creates one array, containing another array for every directory
# we found (recursively). Additionally this array holding a directory
# holds the name of the directory and the path.
sub explore {
my($path) = @_;
my(@dir);
print " Exploring: $path\n";
chdir($path);
opendir(DIR, $path) || die "Couldn't open the directory: $!";
my @contents = readdir(DIR);
my $i = 0;
foreach(@contents) {
if($_ eq "." || $_ eq "..") {
next; # we're not intersted in . and ..
}
if(-d $_) {
$dir[$i] = [ $_, $path, [ explore($path . '/' . $_) ] ];
chdir($path); # back to the directory where we come from
}
else {
$dir[$i] = $_;
}
$i = $i + 1;
}
closedir(DIR);
return @dir;
}
# Dumps the scary datastructure we built
sub dumpTree {
my(@dir) = @_;
foreach(@dir) {
if(ref($_) eq 'ARRAY') {
print $_->[0], " (", $_->[1], ")\n";
dumpTree(@{$_->[2]});
}
else {
print $_ . "\n";
}
}
}
# Finds the files where we have to fix part references (->maindoc.xml)
sub findCandidates {
my($dref, $currentdir, $parentdir) = @_;
my @dir = @{$dref};
#print "current: $currentdir, parentdir: $parentdir\n";
foreach(@dir) {
if(ref($_) eq 'ARRAY') {
#print $_->[0], " (", $_->[1], ")\n";
findCandidates(\@{$_->[2]}, $_->[0], $_->[1]);
}
else {
if($_ =~ m/maindoc\.xml/) {
my $source = $parentdir . '/' . $currentdir . "/maindoc.xml";
my $dest = $parentdir . '/' . $currentdir . ".xml";
push(@needFixing, [ $source, $dest ]);
}
}
}
}
# No need to move around elements of the root directory, these are handled
# separately anyway. Therefore we call findCandidates only on subdirs
sub findMainDocuments {
foreach(@rootdir) {
if(ref($_) eq 'ARRAY') {
findCandidates(\@{$_->[2]}, $_->[0], $_->[1]);
}
}
}
# Factorizes the common regexp code between maindoc.xml and parts
sub fixLine {
my($line, $prefix) = @_;
if($line =~ m/(\s*\<object\s+mime=\"[^\"]*\"\s+url=\")([^\"]*)(\".*)/) {
return $1 . $prefix . $2 . $3 . "\n";
}
elsif($line =~ m/(\s*\<OBJECT\s+mime=\"[^\"]*\"\s+url=\")([^\"]*)(\".*)/) {
return $1 . $prefix . $2 . $3 . "\n";
}
elsif($line =~ m/(\s*\<KEY\s+.*\s+)filename(=\"[^\"]*\".*)/) {
my($tmp) = $1 . "key" . $2 . "\n";
if($tmp =~ m/(\s*\<KEY\s+.*\s+name=\")([^\"]*)(\".*)/) {
return $1 . $prefix . $2 . $3 . "\n";
}
return $tmp;
}
# Replace pictures by images, as cliparts will never work with only this script.
elsif($line =~ m%\s*\<PICTURE%) {
$line =~ s%\<PICTURES%\<PIXMAPS% ;
$line =~ s%\<PICTURE%\<IMAGE% ;
}
elsif($line =~ m%\s*\</PICTURE%) {
$line =~ s%\</PICTURES%\</PIXMAPS% ;
$line =~ s%\</PICTURE%\</IMAGE% ;
}
elsif($line =~ m%\s*\<BACKPICTUREKEY%) {
$line =~ s%\<BACKPICTUREKEY%\<BACKPIXKEY% ;
}
return $line;
}
# Walks through all the documents and fixes links. "Fixes" all the
# candidates we found
sub fixLinks {
for my $item (@needFixing) {
my $prefix = substr $item->[0], length($tmpdir)+1;
$prefix =~ m,^(.*?)(maindoc\.xml),;
$prefix = "tar:/" . $1;
open(SOURCE, "<$item->[0]") || die "Couldn't open the source file: $!\n";
open(DEST, ">$item->[1]") || die "Couldn't open the destination file: $!\n";
while(<SOURCE>) {
print DEST fixLine($_, $prefix);
}
close(SOURCE);
close(DEST);
}
}
# Get rid of the moved files
sub removeOldFiles {
foreach(@needFixing) {
system("rm -rf $_->[0]");
}
}
# Special case for the main document as we have to use a temporary
# file and stuff like that. We only have to fix part references here.
sub fixMainDocument {
open(SOURCE, "<$tmpdir/maindoc.xml");
open(DEST, ">$tmpdir/tmp.xml");
while(<SOURCE>) {
print DEST fixLine($_, "tar:/");
}
close(SOURCE);
close(DEST);
system("mv $tmpdir/tmp.xml $tmpdir/maindoc.xml");
}
##################################################
# The execution starts here
##################################################
if($#ARGV != 1) {
print "Script to convert current storages to KOffice 1.0/1.1.x compatible ones.\n";
print "Usage: perl fix_storage.pl <inputfile> <outputfile>\n";
exit(1);
}
# remember where we came from
chomp(my $cwd = `pwd`);
# clean up properly
system("rm -rf $tmpdir");
mkdir $tmpdir || die "Couldn't create tmp directory: $!\n";
print "Trying to detect the type of archive... ";
my($mime) = `file -i -z $ARGV[0]`;
if($mime =~ m,application/x-tar,) {
print "tar.gz\n";
print "Uncompressing the archive...\n";
system("tar -C $tmpdir -xzf $ARGV[0]");
}
elsif($mime =~ m,application/x-zip,) {
print "zip\n";
print "Uncompressing the archive...\n";
system("unzip -qq -d $tmpdir $ARGV[0]");
}
print "Browsing the directory structure...\n";
@rootdir = explore($tmpdir);
# debugging
#dumpTree(@rootdir);
print "Find candidates for moving...\n";
findMainDocuments();
print "Moving and fixing relative links...\n";
fixLinks();
removeOldFiles();
fixMainDocument();
print "Creating the archive...\n";
chdir($tmpdir);
system("tar czf tmp$$.tgz *");
chdir ($cwd);
system("mv $tmpdir/tmp$$.tgz $ARGV[1]");
print "Cleaning up...\n";
# clean up properly
system("rm -rf $tmpdir");
print "Done.\n";
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