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#!/usr/bin/perl -w
# This program will print out all <a href=".."> links in a
# document together with the text that goes with it.
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 $text = join("", @{$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);
}
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