Server : Apache System : Linux server1.cgrithy.com 3.10.0-1160.95.1.el7.x86_64 #1 SMP Mon Jul 24 13:59:37 UTC 2023 x86_64 User : nobody ( 99) PHP Version : 8.1.23 Disable Function : NONE Directory : /usr/share/doc/perl-HTML-Parser-3.71/eg/ |
#!/usr/bin/perl -w # This script cleans up an HTML document use strict; use HTML::Parser (); # configure these values my @ignore_attr = qw(bgcolor background color face style link alink vlink text onblur onchange onclick ondblclick onfocus onkeydown onkeyup onload onmousedown onmousemove onmouseout onmouseover onmouseup onreset onselect onunload ); my @ignore_tags = qw(font big small b i); my @ignore_elements = qw(script style); # make it easier to look up attributes my %ignore_attr = map { $_ => 1} @ignore_attr; sub tag { my($pos, $text) = @_; if (@$pos >= 4) { # kill some attributes my($k_offset, $k_len, $v_offset, $v_len) = @{$pos}[-4 .. -1]; my $next_attr = $v_offset ? $v_offset + $v_len : $k_offset + $k_len; my $edited; while (@$pos >= 4) { ($k_offset, $k_len, $v_offset, $v_len) = splice @$pos, -4; if ($ignore_attr{lc substr($text, $k_offset, $k_len)}) { substr($text, $k_offset, $next_attr - $k_offset) = ""; $edited++; } $next_attr = $k_offset; } # if we killed all attributed, kill any extra whitespace too $text =~ s/^(<\w+)\s+>$/$1>/ if $edited; } print $text; } sub decl { my $type = shift; print shift if $type eq "doctype"; } sub text { print shift; } HTML::Parser->new(api_version => 3, start_h => [\&tag, "tokenpos, text"], process_h => ["", ""], comment_h => ["", ""], declaration_h => [\&decl, "tagname, text"], default_h => [\&text, "text"], ignore_tags => \@ignore_tags, ignore_elements => \@ignore_elements, ) ->parse_file(shift) || die "Can't open file: $!\n";