use File::Glob ();
+require overload;
+
my $IN_SCOPE = 0;
sub import {
$IN_SCOPE = 1;
}
-sub sanitize {
+sub to_xml_string {
map { # string == text -> HTML, scalarref == raw HTML, other == passthrough
ref($_)
? (ref $_ eq 'SCALAR' ? $$_ : $_)
}
sub _set_glob {
+ # stupid insanity. delete anything already there so we disassociated
+ # the *CORE::GLOBAL::glob typeglob. Then the string reference call
+ # revivifies it - i.e. creates us a new glob, which we get a reference
+ # to, which we can then assign to.
+ # doing it without the quotes doesn't - it binds to the version in scope
+ # at compile time, which means after a delete you get a nice warm segv.
delete ${CORE::GLOBAL::}{glob};
- *{eval '\*CORE::GLOBAL::glob'} = $_[0];
+ no strict 'refs';
+ *{'CORE::GLOBAL::glob'} = $_[0];
}
sub _export_tags_into {
no strict 'refs';
tie *{"${into}::${tag}"}, 'XML::Tags::TIEHANDLE', \"<${tag}>";
}
- _set_glob(sub { \('<'.$_[0].'>'); });
+ _set_glob(sub {
+ local $XML::Tags::StringThing::IN_GLOBBERY = 1;
+ \('<'."$_[0]".'>');
+ });
+ overload::constant(q => sub { XML::Tags::StringThing->from_constant(@_) });
return sub {
foreach my $tag (@tags) {
no strict 'refs';
delete ${"${into}::"}{$tag}
}
_set_glob(\&File::Glob::glob);
+ overload::remove_constant('q');
$IN_SCOPE = 0;
};
}
sub DESTROY { local $@; eval { $_[0]->(); 1 } || warn "ARGH: $@" }
+package XML::Tags::StringThing;
+
+use overload (
+ '.' => 'concat',
+ '""' => 'stringify',
+ fallback => 1
+);
+
+sub stringify {
+ join(
+ '',
+ ((our $IN_GLOBBERY)
+ ? XML::Tags::to_xml_string(@{$_[0]})
+ : (map +(ref $_ ? $$_ : $_), @{$_[0]})
+ )
+ );
+}
+
+sub from_constant {
+ my ($class, $initial, $parsed, $type) = @_;
+ return $parsed unless $type eq 'qq';
+ return $class->new($parsed);
+}
+
+sub new {
+ my ($class, $string) = @_;
+ bless([ \$string ], $class);
+}
+
+sub concat {
+ my ($self, $other, $rev) = @_;
+ my @extra = do {
+ if (ref($other) && ($other =~ /[a-z]=[A-Z]/) && $other->isa(__PACKAGE__)) {
+ @{$other}
+ } else {
+ $other;
+ }
+ };
+ my @new = @{$self};
+ $rev ? unshift(@new, @extra) : push(@new, @extra);
+ bless(\@new, ref($self));
+}
+
1;