view release on metacpan or  search on metacpan

lib/Eutf2.pm  view on Meta::CPAN

    $path .= '/';
    my @subpath = ();
    while ($path =~ /
        ((?: [^\x80-\xFF\/\\]|(?:[\xC2-\xDF]|[\xE0-\xE0][\xA0-\xBF]|[\xE1-\xEC][\x80-\xBF]|[\xED-\xED][\x80-\x9F]|[\xEE-\xEF][\x80-\xBF]|[\xF0-\xF0][\x90-\xBF][\x80-\xBF]|[\xF1-\xF3][\x80-\xBF][\x80-\xBF]|[\xF4-\xF4][\x80-\x8F][\x80-\xBF])[\x80-\xBF]...
        /oxmsg
    ) {
        push @subpath, $1;
    }

    my $tail = pop @subpath;
    my $head = join $pathsep, @subpath;
    return $head, $tail;
}

#
# via File::HomeDir::Windows 1.00
#
sub my_home_MSWin32 {

    # A lot of unix people and unix-derived tools rely on
    # the ability to overload HOME. We will support it too
    # so that they can replace raw HOME calls with File::HomeDir.
    if (exists $ENV{'HOME'} and $ENV{'HOME'}) {
        return $ENV{'HOME'};
    }

    # Do we have a user profile?
    elsif (exists $ENV{'USERPROFILE'} and $ENV{'USERPROFILE'}) {
        return $ENV{'USERPROFILE'};
    }

    # Some Windows use something like $ENV{'HOME'}
    elsif (exists $ENV{'HOMEDRIVE'} and exists $ENV{'HOMEPATH'} and $ENV{'HOMEDRIVE'} and $ENV{'HOMEPATH'}) {
        return join '', $ENV{'HOMEDRIVE'}, $ENV{'HOMEPATH'};
    }

    return undef;
}

#
# via File::HomeDir::Unix 1.00
#
sub my_home {
    my $home;

    if (exists $ENV{'HOME'} and defined $ENV{'HOME'}) {
        $home = $ENV{'HOME'};
    }

    # This is from the original code, but I'm guessing
    # it means "login directory" and exists on some Unixes.
    elsif (exists $ENV{'LOGDIR'} and $ENV{'LOGDIR'}) {
        $home = $ENV{'LOGDIR'};
    }

    ### More-desperate methods

    # Light desperation on any (Unixish) platform
    else {
        $home = CORE::eval q{ (getpwuid($<))[7] };
    }

    # On Unix in general, a non-existant home means "no home"
    # For example, "nobody"-like users might use /nonexistant
    if (defined $home and ! -d($home)) {
        $home = undef;
    }
    return $home;
}

#
# ${^PREMATCH}, $PREMATCH, $` the string preceding what was matched
#
sub Eutf2::PREMATCH {
    return $`;
}

#
# ${^MATCH}, $MATCH, $& the string that matched
#
sub Eutf2::MATCH {
    return $&;
}

#
# ${^POSTMATCH}, $POSTMATCH, $' the string following what was matched
#
sub Eutf2::POSTMATCH {
    return $';
}

#
# UTF-8 character to order (with parameter)
#
sub UTF2::ord(;$) {

    local $_ = shift if @_;

    if (/\A ($q_char) /oxms) {
        my @ord = unpack 'C*', $1;
        my $ord = 0;
        while (my $o = shift @ord) {
            $ord = $ord * 0x100 + $o;
        }
        return $ord;
    }
    else {
        return CORE::ord $_;
    }
}

#
# UTF-8 character to order (without parameter)
#
sub UTF2::ord_() {

    if (/\A ($q_char) /oxms) {
        my @ord = unpack 'C*', $1;
        my $ord = 0;
        while (my $o = shift @ord) {