diff options
Diffstat (limited to 'httpd/cgi-bin')
| -rwxr-xr-x | httpd/cgi-bin/check | 952 |
1 files changed, 483 insertions, 469 deletions
diff --git a/httpd/cgi-bin/check b/httpd/cgi-bin/check index 116f3fd..8437b76 100755 --- a/httpd/cgi-bin/check +++ b/httpd/cgi-bin/check @@ -8,7 +8,7 @@ # This source code is available under the license at: # http://www.w3.org/Consortium/Legal/copyright-software # -# $Id: check,v 1.114 2001-06-07 09:59:06 duerst Exp $ +# $Id: check,v 1.115 2001-06-13 19:12:39 link Exp $ # # We need Perl 5.004. @@ -74,9 +74,9 @@ my $element_ref = 'http://www.htmlhelp.com/reference/html40/'; # # Strings -$VERSION = q$Revision: 1.114 $; +$VERSION = q$Revision: 1.115 $; $VERSION =~ s/Revision: ([\d\.]+) /$1/; -$DATE = q$Date: 2001-06-07 09:59:06 $; +$DATE = q$Date: 2001-06-13 19:12:39 $; $MAINTAINER = 'gerald@w3.org'; $NOTICE = ''; # "<p><strong>Note: This service will be ...</strong>"; @@ -448,11 +448,11 @@ open CHECKER, "|$command - >$temp.esis" for (@{$File->{Content}}) {print CHECKER $_, "\n"}; close CHECKER; -open ERRORS, "<$temp" or die "open($temp) returned: $!\n"; -my @errors = <ERRORS>; -close ERRORS or warn "close($temp) returned: $!\n"; +open ERRORS, "<$temp" or die "open($temp) returned: $!\n"; +$File->{Errors} = [<ERRORS>]; +close ERRORS or warn "close($temp) returned: $!\n"; -my @esis; +$File->{ESIS} = []; my $elements_found = 0; my $root_namespace; my %other_namespaces; @@ -473,7 +473,7 @@ while (<ESIS>) { next if /^ASDAFORM CDATA /; next if /^ASDAPREF CDATA /; chomp; # Removes trailing newlines - push @esis, $_; + push @{$File->{ESIS}}, $_; } close ESIS or warn "close($temp.esis) returned: $!"; @@ -484,7 +484,7 @@ if (($File->{Type} eq 'xhtml') || ($File->{Type} eq 'mathml')) { } elsif ($File->{Type} eq 'xml') { $fpi = 'XML'; } else { - for (@esis) { + for (@{$File->{ESIS}}) { next unless /^AVERSION CDATA (.*)/; $fpi = $1; last; @@ -540,467 +540,13 @@ EOHD EOHD } -if ($?) { - my($line, $col, $type, $msg); - print "<ul>\n"; - for (@errors) { - next if /^<OSFD>0:[0-9]+:[0-9]+:[^A-Z]/; - next if / numbers exceeding 65535 not supported$/; - next if /^$sp:\(invalid location\):W: URL Redirected to/; - s/^$sp:<OSFD>//g; - if ( ! (($line, $col, $type, $msg)=(/^[^:]*:([0-9]+):([0-9]+):([A-Z]?):? (.*)/))) { - print "Uh oh! I got the following unknown error:\n\n $_\n\n"; - print "Please make sure you specified the DOCTYPE properly!\n\n"; - &output_doctype_spiel; - last; - } - if ( $msg =~ /^cannot generate system identifier for entity / ) { - print "<p><b>Fatal error</b>! $msg\n\n"; - print "<p>I couldn't parse this document, because it " . - "uses a public\n identifier that's not in my <a\n " . - " href=\"sgml-lib/catalog\">catalog</a>!\n </p>\n"; - &output_doctype_spiel; - last; - } - if ( $msg =~ /unrecognized ({{)?DOCTYPE(}})?/i ) { - print "<p><b>Fatal error</b>! $msg\n\n"; - print "<p>I couldn't parse this document, because it " . - "uses a public\n identifier that's not in my <a\n " . - " href=\"sgml-lib/catalog\">catalog</a>!\n </p>\n"; - &output_doctype_spiel; - last; - } - if ( $msg =~ /^cannot open / ) { - print "<p>Fatal error! $msg\n\n"; - print "<p>I couldn't parse this document, because it " . - "makes reference to\n a system-specific file instead of " . - "using a well-known public identifier\n to specify the " . - "level of HTML being used.\n </p>\n"; - &output_doctype_spiel; - last; - } - if ( $msg =~ /^cannot find / ) { - print "<p>Fatal error! $msg\n\n"; - print "<p>I couldn't parse this document, because it " . - "makes reference to\n a system-specific file instead of " . - "using a well-known public identifier\n to specify the " . - "level of HTML being used.\n </p>\n"; - &output_doctype_spiel; - last; - } - - my $newline = $File->{Content}->[$line - 1]; - - # make sure there are no ^P's or ^Q's in the file, since we need to use - # them to represent '<' and '>' temporarily. We'll just change them to - # literal P's and Q's for a lack of anything better to do with them. - my $lt = "\020"; - my $gt = "\021"; - $newline =~ s/\020/P/go; $newline =~ s/\021/Q/g; - - my $orig_col = $col; - ($newline, $col) = &truncate_line($newline, $col); - - - # temporarily strip curlies from lq-nsgmls output. - # @@ should link HTML elements using $elem_db instead. - $msg =~ s/[{}]//g; - - # figure out the index into the %frag associative array for the - # "explanation..." links to the KGV FAQ. - my $msgindex = $msg; - $msgindex =~ s/"[^\"]+"/FOO/g; - $msgindex =~ s/[^A-Za-z ]//g; - - $newline =~ s/&/&/go; $newline =~ s/</</go; - $newline =~ s/${lt}/</g; $newline =~ s/${gt}/>/g; - $newline =~ s/\t/ /g; - $newline =~ s/
//g; - - print " <li>"; - print qq{<a href="#line-$line">} if $q->param('ss'); - print "Line $line"; - print "</a>" if $q->param('ss'); - print ", column $orig_col:\n"; - - print "<pre> <code class=input>$newline</code>\n"; - print " " x ($col+2); # 2 is the number of spaces before <code> above - print " " x 4 if $col != $orig_col; # only for truncated lines - print "<span class=markup>^</span></pre>\n"; - print "<p>\n"; - - print qq{<span class=error>Error: $msg</span>}; - - if (defined $frag->{$msgindex}) { - print qq{ (<a href="$faqerrloc#$frag->{$msgindex}">explanation...</a>)}; - } - - print "</p>\n"; - - } - print "</ul>\n"; - print "<hr>\n"; - if ( $version eq "unknown" ) { - print "\n <p>\n Sorry, I can't validate this document.\n </p>\n"; - } - elsif ( $File->{Type} eq 'xml' ) { - print "\n <p>\n Sorry, this document is not well-formed XML.\n </p>\n"; - } - else { - print "\n <p>\n Sorry, this document does not validate as $version.\n </p>\n\n"; - &output_css_validator_blurb( $q->param('uri') ); - } -} else { - my $gifborder = ' border="0"'; - my $xhtmlendtag = ''; - my $image_uri; - my $alttext; - my $gifhw; - - if (($File->{Type} eq 'xml') || ($File->{Type} eq 'xhtml')) { - print "\n <pre>\n No errors found! "; - print "<a href=\"#sp-lim\">*</a></pre>\n\n"; - } - else { - print "\n <pre>\n No errors found!</pre>\n\n"; - } - if ( $version ne "unknown" ) { - if ( $version =~ /^HTML 2\.0$/ ) { - $image_uri = "${abs_svc_uri}images/vh20"; - $alttext = "Valid HTML 2.0!"; - $gifborder = ""; - } - elsif ( $version =~ /HTML 3\.2</ ) { - $image_uri = "http://www.w3.org/Icons/valid-html32"; - $alttext = "Valid HTML 3.2!"; - $gifhw = ' height="31" width="88"'; - } - elsif ( $version =~ /HTML 4\.0<\/a> Strict$/ ) { - $image_uri = "http://www.w3.org/Icons/valid-html40"; - $alttext = "Valid HTML 4.0!"; - $gifborder = ""; - $gifhw = ' height="31" width="88"'; - } - elsif ( $version =~ /HTML 4\.0<\/a> / ) { - $image_uri = "http://www.w3.org/Icons/valid-html40"; - $alttext = "Valid HTML 4.0!"; - $gifhw = ' height="31" width="88"'; - } - elsif ( $version =~ /HTML 4\.01<\/a> Strict$/ ) { - $image_uri = "http://www.w3.org/Icons/valid-html401"; - $alttext = "Valid HTML 4.01!"; - $gifborder = ""; - $gifhw = ' height="31" width="88"'; - } - elsif ( $version =~ /HTML 4\.01<\/a> / ) { - $image_uri = "http://www.w3.org/Icons/valid-html401"; - $alttext = "Valid HTML 4.01!"; - $gifhw = ' height="31" width="88"'; - } - elsif ( $version =~ /XHTML 1\.0<\/a> / ) { - $image_uri = "http://www.w3.org/Icons/valid-xhtml10"; - $alttext = "Valid XHTML 1.0!"; - $gifborder = ""; - $gifhw = ' height="31" width="88"'; - $xhtmlendtag = " /"; - } - elsif ( $version =~ /HTML 3\.0/ ) { - $image_uri = "${abs_svc_uri}images/vh30"; - $alttext = "Valid HTML 3.0!"; - } - elsif ( $version =~ /Netscape/ ) { - $image_uri = "${abs_svc_uri}images/vhns"; - $alttext = "Valid Netscape-HTML!"; - } - elsif ( $version =~ /Hotjava/ ) { - $image_uri = "${abs_svc_uri}images/vhhj"; - $alttext = "Valid Hotjava-HTML!"; - } - if ( defined $image_uri ) { - print <<"EOHD"; - <p> - <img src="$image_uri" alt="$alttext"> Congratulations, this - document validates as $version! - </p> - - <p> - To show your readers that you have taken the care to create an - interoperable Web page, you may display this icon on any page - that validates. Here is the HTML you could use to add this icon - to your Web page: - </p> - <pre> - <p> - <a href="${abs_svc_uri}check/referer"><img$gifborder - src="$image_uri" - alt="$alttext"$gifhw$xhtmlendtag></a> - </p></pre> - <p> - If you like, you can download a copy of this image (in <a - href="${image_uri}.png">PNG</a> or <a href="${image_uri}.gif">GIF</a> - format) to keep in your local web directory, and change the HTML fragment - above to reference your local image rather than the one on this server. - </p> - -EOHD - } - } - if ($version eq 'unknown' or not defined $image_uri) { - print " <p>\n Congratulations, this document validates as the document type specified! (I don't have an icon for this one yet, sorry.)\n </p>\n"; - } - - unless ($q->param('uploaded_file')) { - my $thispage = $q->url(-query => 1); - - &output_css_validator_blurb($q->param('uri')); - - print <<"EOHD"; - <p> - If you would like to create a link to <em>this</em> page (i.e., this - validation result) to make it easier to re-validate this page in the - future or to allow others to validate your page, the URI is: - </p> - - <blockquote> - <code><a href="$thispage">$thispage</a></code> - </blockquote> - - <p> - (Or, you can just add the current page to your bookmarks or hotlist.) - </p> -EOHD - } - if (($File->{Type} eq 'xml') || ($File->{Type} eq 'xhtml')) { - print qq{ <h2><a name="sp-lim">Caveat</a></h2> - <p> - This validator is based on SP, which has <a - href="http://www.jclark.com/sp/xml.htm">some limitations - in its support for XML</a>. - </p> - }; - } -} - -if ( $q->param('weblint') ) { - my $pedanticflags; - my $pedantic_blurb; - - if ( $q->param('pw') ) { - $pedanticflags = '-pedantic -e mailto-link'; - $pedantic_blurb = ' (in "pedantic" mode)'; - } - else { - $pedanticflags = ''; - } - - print <<"EOF"; - <hr> - <h2><a name="weblint">Weblint Results</a></h2> - - <p> - Below are the results of running <a - href="http://www.weblint.org/">Weblint</a> - on this document$pedantic_blurb: - </p> - - <p> - <strong>Note</strong>: - Weblint is a useful HTML syntax and style checker, but does - not do true HTML validation. - Also, the version of weblint used by this service has not - been updated for some time, so some of the messages below may - be misleading or inaccurate. - </p> -EOF - - open WEBLINT, "|$weblint -s $pedanticflags - 2>&1 >$temp.weblint" - or die "open($weblint) returned: $!\n"; - for (@{$File->{Content}}) {print WEBLINT $_, "\n"}; - close WEBLINT; - - print "\n\n"; - if ( $? ) { - print " <ul>\n"; - - open( WEBLINTOUT, "$temp.weblint" ) - || die "couldn't open weblint results in $temp: $!"; - - while (<WEBLINTOUT>) { - s/ \(use "-x <extension>" to allow this\)\.$/./go; - s/&/&/go; - s/</</go; - s/>/>/go; - print " <li>$_"; - } - - close( WEBLINTOUT ) || die "couldn't close weblint results: $!"; - print " </ul>\n"; - } - else { - print "\n <blockquote>\n Looks good to me!\n </blockquote>\n"; - } - print "\n\n"; -} - -if ($q->param('outline')) { - print <<'EOF'; - <div id="outline" class="mtb"> - <hr> - <h2><a name="outline">Outline</a></h2> - <p> - Below is an outline for this document, automatically generated from the - heading tags (<code><H1></code> through <code><H6></code>.) - </p> -EOF - - my $prevlevel = 0; - my $indent = 0; - my $level = 0; - for (1 .. $#esis) { - my $line = $esis[$_]; - next unless $line =~ /^\(H([1-6])$/i; - $prevlevel = $level; - $level = $1; - - print " </ul>\n" x ($prevlevel - $level); # perl is so cool. - if ($level - $prevlevel == 1) { - print " <ul>\n"; - } - foreach my $i (($prevlevel + 1) .. ($level - 1)) { - print qq( <ul>\n <li class="warning">A level $i heading is missing!\n); - } - if ($level - $prevlevel > 1) { - print " <ul>\n"; - } - - $line = ''; - my $heading = ''; - until (substr($line, 0, 3) =~ /^\)H$level/i) { - $line = $esis[$_++]; - $line =~ s/\\011/ /g; - $line =~ s/\\012/ /g; - if ($line =~ /^-/) { - my $headcont = $line; - substr($headcont, 0, 1) = " "; - $headcont =~ s/\\n/ /g; - $heading .= $headcont; - } elsif ($line =~ /^AALT CDATA( .+)/i) { - my $headcont = $1; - $headcont =~ s/\\n/ /g; - $heading .= $headcont; - } - } - - $heading = substr($heading, 1); # chop the leading '-' or ' '. - $heading =~ s/&/&/go; $heading =~ s/</</go; - print " <li>$heading\n"; - } - print " </ul>\n" x $level; - print <<'EOF'; - <p> - If this does not look like a real outline, it is likely that the - heading tags are not being used properly. (Headings should reflect - the logical structure of the document; they should not be used simply - to add emphasis, or to change the font size.) - </p> - </div> -EOF -} +if ($?) {&process_errors($File)} +else {&report_valid($File)}; -if ($q->param('ss')) { - my $line = 1; - - print <<'EOF'; - <div id="source" class="mtb"> - <hr> - <h2><a name="source">Source Listing</a></h2> - - <p>Below is the source input I used for this validation:</p> - <pre> -EOF - - for (@{$File->{Content}}) { - s/&/&/go; s/</</go; - printf "<a name=\"line-%s\">%4d</a>: %s\n", $line, $line, $_; - $line++; - } - print " </pre>\n </div>"; -} - -if ($q->param('sp')) { - print <<'EOF'; - <div id="parse" class="mtb"> - <hr> - <h2><a name="parse">Parse Tree</a></h2> -EOF - if ($q->param('noatt')) { - print <<'EOF'; - <p class="note"> - I am excluding the attributes, as you requested. - </p> -EOF - } else { - print <<'EOF'; - <p class="note"> - You can also view this parse tree without attributes by selecting the - appropriate option on <a href="./#byURI">the form</a>. - </p> -EOF - } - - my $indent = 0; - my $prevdata = ''; - - print "<pre>\n"; - foreach my $line (@esis) { - if ($q->param('noatt')) { # don't show attributes - next if $line =~ /^A/; - next if $line =~ /^\(A$/; - next if $line =~ /^\)A$/; - } - - $line =~ s/\\n/ /g; - $line =~ s/\\011/ /g; - $line =~ s/\\012/ /g; - $line =~ s/\s+/ /g; - next if $line =~ /^-\s*$/; - - if ($line =~ /^-/) { - substr($line, 0, 1) = ' '; - $prevdata .= $line; - next; - } elsif ($prevdata) { - $prevdata =~ s/&/&/go; - $prevdata =~ s/</</go; - $prevdata =~ s/\s+/ /go; - print wrap(' ' x $indent, ' ' x $indent, $prevdata), "\n"; - undef $prevdata; - } - - $line =~ s/&/&/go; - $line =~ s/</</go; - if ($line =~ /^\)/) { - $indent -= 2; - } - - my $printme; - chomp($printme = $line); - $printme =~ s{^([()])(.*)} # reformat and add links on HTML elements - { my $close = ''; - $close = "/" if $1 eq ")"; # ")" -> close-tag - "<" . $close . "<a href=\"" . - $element_ref . $element_uri->{lc($2)} . - "\">$2<\/a>>" - }egx; - $printme =~ s,^A, A,; # indent attributes a bit - print ' ' x $indent, $printme, "\n"; - if ($line =~ /^\(/) { - $indent += 2; - } - } - print "</pre>\n"; - print "</div>\n"; -} +&weblint($File) if $q->param('weblint'); +&outline($File) if $q->param('outline'); +&show_source($File) if $q->param('ss'); +&parse_tree($File) if $q->param('sp'); &clean_up_and_exit; @@ -1437,3 +983,471 @@ sub get_doctype { $dtd =~ s(<!DOCTYPE\s+\w+\s+PUBLIC\s+"([^\"]+)".*>){$1}si; return $dtd; } + +# +# @@FIXME@@ Add description. +sub process_errors { + my $File = shift; + my($line, $col, $type, $msg); + print "<ul>\n"; + for (@{$File->{Errors}}) { + next if /^<OSFD>0:[0-9]+:[0-9]+:[^A-Z]/; + next if / numbers exceeding 65535 not supported$/; + next if /^$sp:\(invalid location\):W: URL Redirected to/; + s/^$sp:<OSFD>//g; + unless (($line, $col, $type, $msg) = (/^[^:]*:([0-9]+):([0-9]+):([A-Z]?):? (.*)/)) { + print "Uh oh! I got the following unknown error:\n\n $_\n\n"; + print "Please make sure you specified the DOCTYPE properly!\n\n"; + &output_doctype_spiel; + last; + } + if ($msg =~ /^cannot generate system identifier for entity /) { + print "<p><b>Fatal error</b>! $msg\n\n"; + print "<p>I couldn't parse this document, because it " . + "uses a public\n identifier that's not in my <a\n " . + " href=\"sgml-lib/catalog\">catalog</a>!\n </p>\n"; + &output_doctype_spiel; + last; + } + if ($msg =~ /unrecognized ({{)?DOCTYPE(}})?/i) { + print "<p><b>Fatal error</b>! $msg\n\n"; + print "<p>I couldn't parse this document, because it " . + "uses a public\n identifier that's not in my <a\n " . + " href=\"sgml-lib/catalog\">catalog</a>!\n </p>\n"; + &output_doctype_spiel; + last; + } + if ($msg =~ /^cannot open /) { + print "<p>Fatal error! $msg\n\n"; + print "<p>I couldn't parse this document, because it " . + "makes reference to\n a system-specific file instead of " . + "using a well-known public identifier\n to specify the " . + "level of HTML being used.\n </p>\n"; + &output_doctype_spiel; + last; + } + if ($msg =~ /^cannot find /) { + print "<p>Fatal error! $msg\n\n"; + print "<p>I couldn't parse this document, because it " . + "makes reference to\n a system-specific file instead of " . + "using a well-known public identifier\n to specify the " . + "level of HTML being used.\n </p>\n"; + &output_doctype_spiel; + last; + } + + my $newline = $File->{Content}->[$line - 1]; + + # make sure there are no ^P's or ^Q's in the file, since we need to use + # them to represent '<' and '>' temporarily. We'll just change them to + # literal P's and Q's for a lack of anything better to do with them. + my $lt = "\020"; + my $gt = "\021"; + $newline =~ s/\020/P/go; + $newline =~ s/\021/Q/g; + + my $orig_col = $col; + ($newline, $col) = &truncate_line($newline, $col); + + + # temporarily strip curlies from lq-nsgmls output. + # @@ should link HTML elements using $elem_db instead. + $msg =~ s/[{}]//g; + + # figure out the index into the %frag associative array for the + # "explanation..." links to the KGV FAQ. + my $msgindex = $msg; + $msgindex =~ s/"[^\"]+"/FOO/g; + $msgindex =~ s/[^A-Za-z ]//g; + + $newline =~ s/&/&/go; + $newline =~ s/</</go; + $newline =~ s/$lt/</g; + $newline =~ s/$gt/>/g; + $newline =~ s/\t/ /g; + $newline =~ s/\r//g; + + print " <li>"; + print qq{<a href="#line-$line">} if $q->param('ss'); + print "Line $line"; + print "</a>" if $q->param('ss'); + print ", column $orig_col:\n"; + + print "<pre> <code class=input>$newline</code>\n"; + print " " x ($col + 2); # 2 is the number of spaces before <code> above + print " " x 4 if $col != $orig_col; # only for truncated lines + print "<span class=markup>^</span></pre>\n"; + print "<p>\n"; + + print qq{<span class=error>Error: $msg</span>}; + + if (defined $frag->{$msgindex}) { + print qq{ (<a href="$faqerrloc#$frag->{$msgindex}">explanation...</a>)}; + } + + print "</p>\n"; + + } + print "</ul>\n"; + print "<hr>\n"; + if ($version eq 'unknown') { + print "\n <p>\n Sorry, I can't validate this document.\n </p>\n"; + } elsif ($File->{Type} eq 'xml') { + print "\n <p>\n Sorry, this document is not well-formed XML.\n </p>\n"; + } else { + print "\n <p>\n Sorry, this document does not validate as $version.\n </p>\n\n"; + &output_css_validator_blurb($q->param('uri')); + } +} + +# +# @@FIXME@@ Add description. +sub report_valid { + my $File = shift; + my $gifborder = ' border="0"'; + my $xhtmlendtag = ''; + my($image_uri, $alttext, $gifhw); + + if ($File->{Type} eq 'xml' or $File->{Type} eq 'xhtml') { + print "\n <pre>\n No errors found! "; + print "<a href=\"#sp-lim\">*</a></pre>\n\n"; + } else { + print "\n <pre>\n No errors found!</pre>\n\n"; + } + unless ($version eq 'unknown') { + if ($version =~ /^HTML 2\.0$/) { + $image_uri = "${abs_svc_uri}images/vh20"; + $alttext = "Valid HTML 2.0!"; + $gifborder = ""; + } elsif ($version =~ /HTML 3\.2</) { + $image_uri = "http://www.w3.org/Icons/valid-html32"; + $alttext = "Valid HTML 3.2!"; + $gifhw = ' height="31" width="88"'; + } elsif ($version =~ /HTML 4\.0<\/a> Strict$/) { + $image_uri = "http://www.w3.org/Icons/valid-html40"; + $alttext = "Valid HTML 4.0!"; + $gifborder = ""; + $gifhw = ' height="31" width="88"'; + } elsif ($version =~ /HTML 4\.0<\/a> /) { + $image_uri = "http://www.w3.org/Icons/valid-html40"; + $alttext = "Valid HTML 4.0!"; + $gifhw = ' height="31" width="88"'; + } elsif ($version =~ /HTML 4\.01<\/a> Strict$/) { + $image_uri = "http://www.w3.org/Icons/valid-html401"; + $alttext = "Valid HTML 4.01!"; + $gifborder = ""; + $gifhw = ' height="31" width="88"'; + } elsif ($version =~ /HTML 4\.01<\/a> /) { + $image_uri = "http://www.w3.org/Icons/valid-html401"; + $alttext = "Valid HTML 4.01!"; + $gifhw = ' height="31" width="88"'; + } elsif ($version =~ /XHTML 1\.0<\/a> /) { + $image_uri = "http://www.w3.org/Icons/valid-xhtml10"; + $alttext = "Valid XHTML 1.0!"; + $gifborder = ""; + $gifhw = ' height="31" width="88"'; + $xhtmlendtag = " /"; + } elsif ($version =~ /HTML 3\.0/) { + $image_uri = "${abs_svc_uri}images/vh30"; + $alttext = "Valid HTML 3.0!"; + } elsif ($version =~ /Netscape/) { + $image_uri = "${abs_svc_uri}images/vhns"; + $alttext = "Valid Netscape-HTML!"; + } elsif ($version =~ /Hotjava/) { + $image_uri = "${abs_svc_uri}images/vhhj"; + $alttext = "Valid Hotjava-HTML!"; + } + if (defined $image_uri) { + print <<"EOHD"; + <p> + <img src="$image_uri" alt="$alttext"> Congratulations, this + document validates as $version! + </p> + + <p> + To show your readers that you have taken the care to create an + interoperable Web page, you may display this icon on any page + that validates. Here is the HTML you could use to add this icon + to your Web page: + </p> + <pre> + <p> + <a href="${abs_svc_uri}check/referer"><img$gifborder + src="$image_uri" + alt="$alttext"$gifhw$xhtmlendtag></a> + </p></pre> + <p> + If you like, you can download a copy of this image (in <a + href="${image_uri}.png">PNG</a> or <a href="${image_uri}.gif">GIF</a> + format) to keep in your local web directory, and change the HTML fragment + above to reference your local image rather than the one on this server. + </p> + +EOHD + } + } + if ($version eq 'unknown' or not defined $image_uri) { + print " <p>\n Congratulations, this document validates as the document type specified! (I don't have an icon for this one yet, sorry.)\n </p>\n"; + } + + unless ($q->param('uploaded_file')) { + my $thispage = $q->url(-query => 1); + + &output_css_validator_blurb($q->param('uri')); + + print <<"EOHD"; + <p> + If you would like to create a link to <em>this</em> page (i.e., this + validation result) to make it easier to re-validate this page in the + future or to allow others to validate your page, the URI is: + </p> + + <blockquote> + <code><a href="$thispage">$thispage</a></code> + </blockquote> + + <p> + (Or, you can just add the current page to your bookmarks or hotlist.) + </p> +EOHD + } + if ($File->{Type} eq 'xml' or $File->{Type} eq 'xhtml') { + print qq{ <h2><a name="sp-lim">Caveat</a></h2> + <p> + This validator is based on SP, which has <a + href="http://www.jclark.com/sp/xml.htm">some limitations + in its support for XML</a>. + </p> + }; + } +} + +# +# @@FIXME@@ Add description. +sub weblint { + my $File = shift; + my $pedanticflags; + my $pedantic_blurb; + + if ($q->param('pw')) { + $pedanticflags = '-pedantic -e mailto-link'; + $pedantic_blurb = ' (in "pedantic" mode)'; + } else { + $pedanticflags = ''; + } + + print <<"EOF"; + <hr> + <h2><a name="weblint">Weblint Results</a></h2> + + <p> + Below are the results of running <a + href="http://www.weblint.org/">Weblint</a> + on this document$pedantic_blurb: + </p> + + <p> + <strong>Note</strong>: + Weblint is a useful HTML syntax and style checker, but does + not do true HTML validation. + Also, the version of weblint used by this service has not + been updated for some time, so some of the messages below may + be misleading or inaccurate. + </p> +EOF + + open WEBLINT, "|$weblint -s $pedanticflags - 2>&1 >$temp.weblint" + or die "open($weblint) returned: $!\n"; + for (@{$File->{Content}}) {print WEBLINT $_, "\n"}; + close WEBLINT; + + print "\n\n"; + if ($?) { + print " <ul>\n"; + open WEBLINTOUT, "$temp.weblint" + or die "open($temp.weblint) returned: $!\n"; + + while (<WEBLINTOUT>) { + s/ \(use "-x <extension>" to allow this\)\.$/./go; + s/&/&/go; + s/</</go; + s/>/>/go; + print " <li>$_"; + } + + close WEBLINTOUT or die "close($temp.weblint) returned: $!\n"; + print " </ul>\n"; + } else { + print "\n <blockquote>\n Looks good to me!\n </blockquote>\n"; + } + print "\n\n"; +} + +# +# @@FIXME@@ Add description. +sub outline { + my $File = shift; + + print <<'EOF'; + <div id="outline" class="mtb"> + <hr> + <h2><a name="outline">Outline</a></h2> + <p> + Below is an outline for this document, automatically generated from the + heading tags (<code><H1></code> through <code><H6></code>.) + </p> +EOF + + my $prevlevel = 0; + my $indent = 0; + my $level = 0; + + for (1 .. $#{$File->{ESIS}}) { + my $line = $File->{ESIS}->[$_]; + next unless $line =~ /^\(H([1-6])$/i; + $prevlevel = $level; + $level = $1; + + print " </ul>\n" x ($prevlevel - $level); # perl is so cool. + if ($level - $prevlevel == 1) {print " <ul>\n"}; + foreach my $i (($prevlevel + 1) .. ($level - 1)) { + print qq( <ul>\n <li class="warning">A level $i heading is missing!\n); + } + if ($level - $prevlevel > 1) {print " <ul>\n"}; + + $line = ''; + my $heading = ''; + until (substr($line, 0, 3) =~ /^\)H$level/i) { + $line = $File->{ESIS}->[$_++]; + $line =~ s/\\011/ /g; + $line =~ s/\\012/ /g; + if ($line =~ /^-/) { + my $headcont = $line; + substr($headcont, 0, 1) = " "; + $headcont =~ s/\\n/ /g; + $heading .= $headcont; + } elsif ($line =~ /^AALT CDATA( .+)/i) { + my $headcont = $1; + $headcont =~ s/\\n/ /g; + $heading .= $headcont; + } + } + + $heading = substr($heading, 1); # chop the leading '-' or ' '. + $heading =~ s/&/&/go; $heading =~ s/</</go; + print " <li>$heading\n"; + } + print " </ul>\n" x $level; + print <<'EOF'; + <p> + If this does not look like a real outline, it is likely that the + heading tags are not being used properly. (Headings should reflect + the logical structure of the document; they should not be used simply + to add emphasis, or to change the font size.) + </p> + </div> +EOF +} + +# +# @@FIXME@@ Add description. +sub show_source { + my $File = shift; + my $line = 1; + + print <<'EOF'; + <div id="source" class="mtb"> + <hr> + <h2><a name="source">Source Listing</a></h2> + + <p>Below is the source input I used for this validation:</p> + <pre> +EOF + + for (@{$File->{Content}}) { + s/&/&/go; s/</</go; + printf "<a name=\"line-%s\">%4d</a>: %s\n", $line, $line, $_; + $line++; + } + print " </pre>\n </div>"; +} + +# +# @@FIXME@@ Add description. +sub parse_tree { + my $File = shift; + + print <<'EOF'; + <div id="parse" class="mtb"> + <hr> + <h2><a name="parse">Parse Tree</a></h2> +EOF + if ($q->param('noatt')) { + print <<'EOF'; + <p class="note"> + I am excluding the attributes, as you requested. + </p> +EOF + } else { + print <<'EOF'; + <p class="note"> + You can also view this parse tree without attributes by selecting the + appropriate option on <a href="./#byURI">the form</a>. + </p> +EOF + } + + my $indent = 0; + my $prevdata = ''; + + print "<pre>\n"; + foreach my $line (@{$File->{ESIS}}) { + if ($q->param('noatt')) { # don't show attributes + next if $line =~ /^A/; + next if $line =~ /^\(A$/; + next if $line =~ /^\)A$/; + } + + $line =~ s/\\n/ /g; + $line =~ s/\\011/ /g; + $line =~ s/\\012/ /g; + $line =~ s/\s+/ /g; + next if $line =~ /^-\s*$/; + + if ($line =~ /^-/) { + substr($line, 0, 1) = ' '; + $prevdata .= $line; + next; + } elsif ($prevdata) { + $prevdata =~ s/&/&/go; + $prevdata =~ s/</</go; + $prevdata =~ s/\s+/ /go; + print wrap(' ' x $indent, ' ' x $indent, $prevdata), "\n"; + undef $prevdata; + } + + $line =~ s/&/&/go; + $line =~ s/</</go; + if ($line =~ /^\)/) { + $indent -= 2; + } + + my $printme; + chomp($printme = $line); + $printme =~ s{^([()])(.*)} # reformat and add links on HTML elements + { my $close = ''; + $close = "/" if $1 eq ")"; # ")" -> close-tag + "<" . $close . "<a href=\"" . + $element_ref . $element_uri->{lc($2)} . + "\">$2<\/a>>" + }egx; + $printme =~ s,^A, A,; # indent attributes a bit + print ' ' x $indent, $printme, "\n"; + if ($line =~ /^\(/) { + $indent += 2; + } + } + print "</pre>\n"; + print "</div>\n"; +} + |