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#
# TLTREE.pm
# helper module to work with the tree of all files
# Copyright 2007 Norbert Preining
#
# This file is licensed under the GNU General Public Licence version 2
# or any later version
package TLTREE;
sub new {
my $class = shift;
my %params = @_;
my $self = {
svnroot => $params{'svnroot'},
# private stuff
_tree => {},
_dirtree => {},
_filesofdir => {},
_subdirsofdir => {},
};
bless $self, $class;
return $self;
}
sub init_from_svn {
my $self = shift;
die("Undefined svn root!") if (!defined($self->{'svnroot'}));
my @lines = `cd $self->{'svnroot'} && svn status -v`;
$self->_initialize_lines(@lines);
}
sub init_from_statusfile {
my $self = shift;
die("Need a filename of svn status file!") if (@_ != 1);
open(TMP,"<$_[0]") || die("Cannot open svn status file: $_[0]");
my @lines = <TMP>;
close(TMP);
$self->_initialize_lines(@lines);
}
sub _initialize_lines {
my $self = shift;
my @lines = @_;
# we first chdir to the svn root, we need it for file tests
my $oldpwd = `pwd`;
chomp($oldpwd);
chdir($self->svnroot) || die("Cannot chdir to SVN root $self->{'svnroot'}!");
foreach my $l (@lines) {
chomp($l);
next if ($l =~ /^\?/); # ignore files not under version control
if ($l =~ /^(.)(.)(.)(.)(.)(.)..\s*(\d+)\s+(\d+)\s+\w+\s+(.+)$/) {
my $lastchanged = $8;
my $entry = "$9";
next if -d $entry; # TODO: what to do with links???
@{$self->{'_tree'}{$entry}{'used'}} = ();
$self->{'_tree'}{$entry}{'lastchangedrev'} = $lastchanged;
my $fn = basename($entry);
my $dn = dirname($entry);
add_path_to_tree($self->{'_dirtree'}, split("[/\\\\]", $dn));
push @{$self->{'_filesofdir'}{$dn}}, $fn;
} else {
die("Cannot read svn status output line: $l");
}
}
# now do some magic
# - create list of top level dirs with a list of full path names of
# the respective dir attached
$self->walk_tree(\&find_alldirs);
walk_tree($DirTree, \&find_alldirs);
chdir($oldpwd);
}
sub print_tree {
my ($node) = @_;
&walk_tree($node, \&print_node);
}
sub find_alldirs {
my ($self,$node, @stackdir) = @_;
my $tl = $stackdir[-1];
push @{$self->{'_dirnames'}{$tl}}, join("/", @stackdir);
if (keys(%{$node})) {
my $pa = join("/", @stackdir);
push @{$self->{'_subdirsofdir'}{$pa}}, keys(%{$node});
}
}
sub print_node {
my ($self,$node, @stackdir) = @_;
my $dp = join("/", @stackdir);
if ($self->{'_filesofdir'}{$dp}) {
foreach my $f (@{$self->{'_filesofdir'}{$dp}}) {
print "dp=$dp file=$f\n";
}
}
if (! keys(%{$node})) {
print join("/", @stackdir) . "\n";
}
}
sub walk_tree {
my (@stack_dir);
walk_tree1(@_, @stack_dir);
}
sub _walk_tree1 {
my ($self,$node, $pre_proc, $post_proc, @stack_dir) = @_;
my $v;
for my $k (keys(%{$node})) {
push @stack_dir, $k;
$v = $node->{$k};
if ($pre_proc) { &{$pre_proc}($self, $v, @stack_dir) }
$self->_walk_tree1 (\%{$v}, $pre_proc, $post_proc, @stack_dir);
$v = $node->{$k};
if ($post_proc) { &{$post_proc}($self, $v, @stack_dir) }
pop @stack_dir;
}
}
sub add_path_to_tree {
my ($node, @path) = @_;
my ($current);
while (@path) {
$current = shift @path;
if ($$node{$current}) {
$node = $$node{$current};
} else {
$$node{$current} = { };
$node = $$node{$current};
}
}
return $node;
}
sub member {
my ($e, @l) = @_;
my ($f);
foreach $f (@l) {
if ($e eq $f) {
return 1;
}
}
return 0;
}
sub push_uniq {
my ($l,@le) = @_;
my ($e);
foreach $e (@le) {
if (! &member($e, @$l)) {
push @$l, $e;
}
}
}
sub dirname {
my ($f) = @_;
if ($f =~ m@(^.*)[\\/][^\\/]*$@) {
return $1;
} else {
return ".";
}
}
sub basename {
my ($f) = @_;
$f =~ m@([^\\/]*)$@;
return $1;
}
#
# member access functions
#
sub svnroot {
my $self = shift;
if (@_) { $self->{'svnroot'} = shift };
return $self->{'svnroot'};
}
1;
### Local Variables:
### perl-indent-level: 4
### tab-width: 4
### indent-tabs-mode: t
### End:
# vim:set tabstop=4: #
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