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# This file belongs to TLPM v2.21, TeX Live Package Manager
# Public Domain, P.Jackowski@gust.org.pl
# common procedures;
# to avoid any stdlib dependencies, we implement a couple of trivial procedures here
# operations on paths
sub dirsep2dirsep
{
my $path = shift;
$path =~ s/$reg_dirsep/$chr_dirsep/g;
return $path;
}
sub split_path
{
return split(/$reg_dirsep/,$_[0]);
}
sub join_path
{
return join($chr_dirsep,@_);
}
sub join_list
{
return join(" ",@_);
}
sub norm_path
{
map
{
chomp;s/\A\s+//;
#s/$reg_dirsep+/$chr_dirsep/g;
s/$reg_dirsep\z//g;
s/\"//g;
# s/\A\'(.*?)\'\z/$1/;
} @_;
}
sub make_tree
{
my $path = shift;
&norm_path($path);
$path = &rel2abs($path,$curr_dir);
return(0) if -d $path;
my @dirs = &split_path($path);
$path = '';
foreach(@dirs)
{
$path .= "$_$chr_dirsep";
unless(-d $path)
{
mkdir($path,0777) or return $error{'cant_mdir'} -> ($path);
}
}
chop $path;
$message ->("Directory '$path' has been created");
return(0);
}
sub rel2abs
{
return $_[0] if $_[0] =~ /$reg_abs/; # is absolute
my @rel = &split_path($_[0]);
my @abs = &split_path($_[1]);
foreach(@rel)
{
next if /\A\.\z/;
if(/\A\.\.\z/)
{
pop(@abs);
next;
}
push(@abs, $_);
}
if(@abs)
{
return &join_path(@abs);
}
else
{
@abs = &split_path($_[1]); # just drive
return $abs[0];
}
}
# system command
sub sys
{
system(&join_list(@_));
return $?;
}
sub set
{
my ($key, $val);
while($key = shift @_)
{
if($key =~ /=/)
{
($key, $val) = split("=",$key);
}
else
{
$val = shift(@_);
}
unless($key eq '')
{
$ENV{$key} = $val;
}
}
}
# messaging
$message_prefix = '% ';
$warning_prefix = '! ';
$messdbg_prefix = '? ';
$_message = sub {return "$message_prefix$_[0]\n"};
$_warning = sub {return "$warning_prefix$_[0]\n"};
$_messdbg = sub {return "$messdbg_prefix$_[0]\n"};
# printing to non-existing handle produce 'Bad file descriptor' error;
# we don't have fork so printing to log and terminal needs to be parallel;
# because of somewhat weird STRERR behaviour under windows, everything is
# printed to STDOUT (for tlpmgui) or to file;
# later we throw progress information to STRERR while installing from DVD
sub _mess {print @_}
sub _logmess {print @_;print LOG @_}
sub _messf{printf @_}
sub _logmessf {printf @_;printf LOG @_}
sub _message
{
print STDOUT $_message -> (@_);
}
sub _logmessage
{
print STDOUT $_message -> (@_);
print LOG $_message -> (@_);
}
sub _warning
{
print STDOUT $_warning -> (@_);
}
sub _logwarning
{
print STDOUT $_warning -> (@_);
print LOG $_warning -> (@_);
};
sub talk2log
{
$mess = \&_logmess;
$messf = \&_logmessf;
$message = \&_logmessage;
$warning = \&_logwarning;
}
sub not2log
{
$mess = \&_mess;
$messf = \&_messf;
$message = \&_message;
$warning = \&_warning;
}
sub enable_dbg
{
$debug_mode = 1;
$messdbg = sub {print STDOUT $_messdbg -> (@_)}
}
sub disable_dbg
{
$debug_mode = 0;
$messdbg = \&relax
}
# -)
sub relax
{
return; # not zero!
}
# singular vs plural
sub one_or_more
{
return $_[0] . ' ' . ($_[0] == 1 ? $_[1] : $_[2]);
}
# ...meybe someday we will use returned error codes
# errcode 0 is ok, 1 is help, negative means something went wrong
%error =
(
'tl_not_found' => sub {$warning -> ("TeX Live CD/DVD not found"); -1},
'not_tl_source' => sub {$warning -> ("TeX Live source not found at '$_[0]'"); -1},
'cant_odir' => sub {$warning -> ("Can't open directory '$_[0]'"); -2},
'cant_mdir' => sub {$warning -> ("Can't create directory '$_[0]'"); -3},
# 'cant_wdir' => sub {$warning -> ("Directory '$_[0]' is not writable"); ?},
# 'dir_unspec' => sub {$warning -> ("Target directory unspecified"); ?},
# 'file_not_found' => sub {$warning -> ("Can't find file '$_[0]'"); ?},
'miss_dir' => sub {$warning -> ("Directory '$_[0]' does not exist"); -4},
'empty_dir' => sub {$warning -> ("Directory '$_[0]' contains no packages"); -5},
'wrong_out' => sub {$warning -> ("Can't write to '$_[0]'"); -6},
'wrong_inp' => sub {$warning -> ("Can't read from '$_[0]'"); -7},
'pkg_unspec' => sub {$warning -> ("Package unspecified"); -8},
'pkg_not_inst' => sub {$warning -> ("Package '$_[0]' is not installed"); -9},
'pkg_not_found' => sub {$warning -> ("Can't find package '$_[0]'"); -10},
'not_found' => sub {$warning -> ("Can't find '$_[0]'"); -11},
'wrong_opt' => sub {$warning -> ("Unknown option '$_[0]'. Type '$_[1]'"); -12},
'wrong_cmd' => sub {$warning -> ("Unknown command '$_[0]'. Type '$_[1]'"); -13},
'wrong_syn' => sub {$warning -> ("Incorrect phrase '$_[0]'"); -14},
'wrong_reg' => sub {$warning -> ("Incorrect expression '$_[0]'"); -15},
# 'not_supp' => sub {$warning -> ("Sorry, $_[0] not yet supported"); -16}
);
# date handling
sub date
{
my ($min,$hr,$day,$mon,$year) = (localtime)[1,2,3,4,5];
$year += 1900;
($min,$hr,$day,$mon) = map {sprintf "%02d",$_} ($min,$hr,$day,$mon + 1);
return "$day.$mon.$year, $hr:$min";
}
# quoting
sub doubleq {return '"' . $_[0] . '"'}
sub singleq {return "'" . $_[0] . "'"}
# progress
sub percent
{
return sprintf("%d%%",$_[0]*100/$_[1]);
}
1;
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