4 use warnings FATAL => 'all';
9 die "Can't import XML::Tags into a scope when already compiling one that uses it"
11 my ($class, @args) = @_;
12 my $opts = shift(@args) if ref($args[0]) eq 'HASH';
13 my $target = $class->_find_target(0, $opts);
14 my @tags = $class->_find_tags(@args);
15 my $unex = $class->_export_tags_into($target => @tags);
16 $class->_install_unexporter($unex);
20 sub _find_tags { shift; @_ }
23 my ($class, $extra_levels, $opts) = @_;
24 return $opts->{into} if defined($opts->{into});
25 my $level = ($opts->{into_level} || 1) + $extra_levels;
26 return (caller($level))[0];
32 sub _setup_glob_override {
35 no warnings 'redefine';
36 *CORE::GLOBAL::glob = sub {
38 # unless it smells like </foo> or <foo bar="baz">
39 return CORE::glob($_[0]) unless (/^\/\w+$/ || /^\w+\s+\w+="/);
46 sub _export_tags_into {
47 my ($class, $into, @tags) = @_;
48 foreach my $tag (@tags) {
50 tie *{"${into}::${tag}"}, 'XML::Tags::TIEHANDLE', "<${tag}>";
52 my $orig = \&CORE::GLOBAL::glob || sub { CORE::glob($_[0]) };
54 no warnings 'redefine';
55 *CORE::GLOBAL::glob = sub { '<'.$_[0].'>' };
58 foreach my $tag (@tags) {
60 delete ${"${into}::"}{$tag}
66 sub _install_unexporter {
67 my ($class, $unex) = @_;
68 $^H |= 0x120000; # localize %^H
69 $^H{'XML::Tags::Unex'} = bless($unex, 'XML::Tags::Unex');
72 package XML::Tags::TIEHANDLE;
74 sub TIEHANDLE { my $str = $_[1]; bless \$str, $_[0] }
75 sub READLINE { ${$_[0]} }
77 package XML::Tags::Unex;
79 sub DESTROY { local $@; eval { $_[0]->(); 1 } || warn "ARGH: $@" }