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[dh-make-perl] / dev / i386 / libpod-simple-perl / libpod-simple-perl-3.07 / lib / Pod / Simple / PullParserStartToken.pm

diff --git a/dev/i386/libpod-simple-perl/libpod-simple-perl-3.07/lib/Pod/Simple/PullParserStartToken.pm b/dev/i386/libpod-simple-perl/libpod-simple-perl-3.07/lib/Pod/Simple/PullParserStartToken.pm
new file mode 100644 (file)
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+++ b/dev/i386/libpod-simple-perl/libpod-simple-perl-3.07/lib/Pod/Simple/PullParserStartToken.pm
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+
+require 5;
+package Pod::Simple::PullParserStartToken;
+use Pod::Simple::PullParserToken ();
+@ISA = ('Pod::Simple::PullParserToken');
+use strict;
+
+sub new {  # Class->new(tagname, optional_attrhash);
+  my $class = shift;
+  return bless ['start', @_], ref($class) || $class;
+}
+
+# Purely accessors:
+
+sub tagname   { (@_ == 2) ? ($_[0][1] = $_[1]) : $_[0][1] }
+sub tag { shift->tagname(@_) }
+
+sub is_tagname { $_[0][1] eq $_[1] }
+sub is_tag { shift->is_tagname(@_) }
+
+
+sub attr_hash { $_[0][2] ||= {} }
+
+sub attr      {
+  if(@_ == 2) {      # Reading: $token->attr('attrname')
+    ${$_[0][2] || return undef}{ $_[1] };
+  } elsif(@_ > 2) {  # Writing: $token->attr('attrname', 'newval')
+    ${$_[0][2] ||= {}}{ $_[1] } = $_[2];
+  } else {
+    require Carp;
+    Carp::croak(
+      'usage: $object->attr("val") or $object->attr("key", "newval")');
+    return undef;
+  }
+}
+
+1;
+
+
+__END__
+
+=head1 NAME
+
+Pod::Simple::PullParserStartToken -- start-tokens from Pod::Simple::PullParser
+
+=head1 SYNOPSIS
+
+(See L<Pod::Simple::PullParser>)
+
+=head1 DESCRIPTION
+
+When you do $parser->get_token on a L<Pod::Simple::PullParser> object, you might
+get an object of this class.
+
+This is a subclass of L<Pod::Simple::PullParserToken> and inherits all its methods,
+and adds these methods:
+
+=over
+
+=item $token->tagname
+
+This returns the tagname for this start-token object.
+For example, parsing a "=head1 ..." line will give you
+a start-token with the tagname of "head1", token(s) for its
+content, and then an end-token with the tagname of "head1".
+
+=item $token->tagname(I<somestring>)
+
+This changes the tagname for this start-token object.
+You probably won't need
+to do this.
+
+=item $token->tag(...)
+
+A shortcut for $token->tagname(...)
+
+=item $token->is_tag(I<somestring>) or $token->is_tagname(I<somestring>)
+
+These are shortcuts for C<< $token->tag() eq I<somestring> >>
+
+=item $token->attr(I<attrname>)
+
+This returns the value of the I<attrname> attribute for this start-token
+object, or undef.
+
+For example, parsing a LZ<><Foo/"Bar"> link will produce a start-token
+with a "to" attribute with the value "Foo", a "type" attribute with the
+value "pod", and a "section" attribute with the value "Bar".
+
+=item $token->attr(I<attrname>, I<newvalue>)
+
+This sets the I<attrname> attribute for this start-token object to
+I<newvalue>.  You probably won't need to do this.
+
+=item $token->attr_hash
+
+This returns the hashref that is the attribute set for this start-token.
+This is useful if (for example) you want to ask what all the attributes
+are -- you can just do C<< keys %{$token->attr_hash} >>
+
+=back
+
+
+You're unlikely to ever need to construct an object of this class for
+yourself, but if you want to, call
+C<<
+Pod::Simple::PullParserStartToken->new( I<tagname>, I<attrhash> )
+>>
+
+=head1 SEE ALSO
+
+L<Pod::Simple::PullParserToken>, L<Pod::Simple>, L<Pod::Simple::Subclassing>
+
+=head1 COPYRIGHT AND DISCLAIMERS
+
+Copyright (c) 2002 Sean M. Burke.  All rights reserved.
+
+This library is free software; you can redistribute it and/or modify it
+under the same terms as Perl itself.
+
+This program is distributed in the hope that it will be useful, but
+without any warranty; without even the implied warranty of
+merchantability or fitness for a particular purpose.
+
+=head1 AUTHOR
+
+Sean M. Burke C<sburke@cpan.org>
+
+=cut
+