| 1 |
sub filter { |
| 2 |
my $contents = shift || return; |
| 3 |
# if you don't want content to be indexed, include it in |
| 4 |
# <noindex> foobar </noindex> tags or surround it with comments |
| 5 |
# <!-- noindex --> foobar <!-- /noindex --> |
| 6 |
# <!-- noindex --> foobar <!-- index --> (also supported by swish) |
| 7 |
$contents =~ s,<noindex>.+?</noindex>,,isg; |
| 8 |
$contents =~ s,<!--\s*noindex\s*-->.+?<!--\s*/noindex\s*-->,,isg; |
| 9 |
$contents =~ s,<!--\s*noindex\s*-->.+?<!--\s*index\s*-->,,isg; |
| 10 |
# this will remove all script from indexing content |
| 11 |
$contents =~ s,<script[^>]*>.+?</script>,,isg; |
| 12 |
# remap Windows charset to ISO-8859-2 |
| 13 |
$contents =~ tr/ðèæÐÈÆ/¹ð¾èæ©Ð®ÈÆ/; # 1250 -> iso8859-2 |
| 14 |
# this will fix badly formatted html in form: |
| 15 |
# <head><title>some text</title |
| 16 |
# ></head> |
| 17 |
# which will confuse indexer (or libxml2?) |
| 18 |
$contents =~ s/[\n\r]^(>)/$1\n/msg; |
| 19 |
# remove comments between <html> and <head> texi2html inserts them |
| 20 |
# there and swish can't find document title then (libxml or swish bug?) |
| 21 |
while ($contents =~ s/(<html>.*)<!--.*?-->(.*<head>)/$1$2/msi) { }; |
| 22 |
|
| 23 |
# remote TPJ left column |
| 24 |
if ($contents =~ s,<!-- BEGIN LEFT SIDE BAR CELL -->.+?<!-- END LEFT SIDE BAR CELL -->,,isg) { |
| 25 |
my $title; |
| 26 |
# extract title and add to title |
| 27 |
if ($contents =~ m,<!-- the article goes here -->\s*<h2[^>]*>(.+?)</h2>,si) { |
| 28 |
$title = $1; |
| 29 |
} elsif ($contents =~ m,<h1[^>]*>(.+?)</h1>,is) { |
| 30 |
$title = $1; |
| 31 |
} elsif ($contents =~ m,<h2[^>]*>(.+?)</h2>,is) { |
| 32 |
$title = $1; |
| 33 |
} else { |
| 34 |
$title = "no detail title"; |
| 35 |
} |
| 36 |
$contents =~ s,(<title>)([^<]+)(</title>),$1$2: $title$3,gsi if ($title); |
| 37 |
|
| 38 |
} |
| 39 |
|
| 40 |
# is second argument collection? |
| 41 |
my $collection = shift || return $contents; |
| 42 |
|
| 43 |
# construct new title (from various parts of DocBook if available) |
| 44 |
my $new_title; |
| 45 |
|
| 46 |
if ($contents =~ m,<!--SafTocEntry="([^"]+)"-->,is) { |
| 47 |
$new_title = $1; |
| 48 |
} elsif ($contents =~ m,<h\d\sclass="docPartTitle"[^>]*>([^<]+)</h\d>,is) { |
| 49 |
$new_title = $1; |
| 50 |
} elsif ($contents =~ m,<h\d\sclass="docChapterTitle"[^>]*>([^<]+)</h\d>,is) { |
| 51 |
$new_title = $1; |
| 52 |
} elsif ($contents =~ m,<h\d\sclass="docSection1Title"[^>]*>([^<]+)</h\d>,is) { |
| 53 |
$new_title = $1; |
| 54 |
} else { |
| 55 |
if ($contents =~ m,<title>([^<]+)</title>,is) { |
| 56 |
$new_title = $1; |
| 57 |
} elsif ($contents =~ m,<h\d[^>]*>([^<]+)</h\d>,is) { |
| 58 |
$new_title = $1; |
| 59 |
} |
| 60 |
} |
| 61 |
|
| 62 |
if ($new_title) { |
| 63 |
# check if new title is same as collection name |
| 64 |
my ($a,$b) = ($new_title,$collection); |
| 65 |
$a =~ s/([^a-zA-Z])+/ /gs; |
| 66 |
$b =~ s/([^a-zA-Z])+/ /gs; |
| 67 |
if ($a =~ m/$b/i) { |
| 68 |
$new_title = $collection; |
| 69 |
} else { |
| 70 |
$new_title = "$collection :: $new_title"; |
| 71 |
} |
| 72 |
} else { |
| 73 |
# fall-back to collection title |
| 74 |
$new_title = $collection; |
| 75 |
} |
| 76 |
|
| 77 |
$new_title =~ s/\s\s+/ /g; |
| 78 |
|
| 79 |
if ($contents =~ s,<title>(.*)</title>,$new_title,is) { |
| 80 |
print STDERR "replace title '$1' with '$new_title'\n"; |
| 81 |
} else { |
| 82 |
print STDERR "adding new title '$new_title'\n"; |
| 83 |
# try to insert after <head>, <html> or at top |
| 84 |
$contents =~ s,(<head>),$1<title>$new_title</title>,is || |
| 85 |
$contents =~ s,(<html>),$1<title>$new_title</title>,is || |
| 86 |
$contents =~ s,^,<title>$new_title</title>,; |
| 87 |
} |
| 88 |
|
| 89 |
return $contents; |
| 90 |
} |
| 91 |
|
| 92 |
1; |
Parent Directory
| 
Revision Log