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Direktori : /proc/self/root/usr/share/doc/libhtml-parser-perl/examples/ |
Current File : //proc/self/root/usr/share/doc/libhtml-parser-perl/examples/hanchors |
#!/usr/bin/perl use strict; use warnings; # This program will print out all <a href=".."> links in a # document together with the text that goes with it. # # See also HTML::LinkExtor use Encode; use HTML::Parser; my $p = HTML::Parser->new( api_version => 3, start_h => [\&a_start_handler, "self,tagname,attr"], report_tags => [qw(a img)], ); $p->parse_file(shift || die) || die $!; sub a_start_handler { my ($self, $tag, $attr) = @_; return unless $tag eq "a"; return unless exists $attr->{href}; print "A $attr->{href}\n"; $self->handler(text => [], '@{dtext}'); $self->handler(start => \&img_handler); $self->handler(end => \&a_end_handler, "self,tagname"); } sub img_handler { my ($self, $tag, $attr) = @_; return unless $tag eq "img"; push(@{$self->handler("text")}, $attr->{alt} || "[IMG]"); } sub a_end_handler { my ($self, $tag) = @_; my $text = encode('utf8', join("", @{$self->handler("text")})); $text =~ s/^\s+//; $text =~ s/\s+$//; $text =~ s/\s+/ /g; print "T $text\n"; $self->handler("text", undef); $self->handler("start", \&a_start_handler); $self->handler("end", undef); }