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perl/02_fix_pod2html_dl

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Fix issue with (nested) definition lists in lib/Pod/Html.pm
- <dt> tags are not closed
- generated code contains spurious </li> closing tags
- when other (definition) lists are nested in a definition list, the
indentation of sublevels gets messed up because of incorrect
placement of <dt> tags
http://rt.perl.org/rt3/Public/Bug/Display.html?id=45211
Upstream change 32727.
diff -Naur --exclude=debian perl-5.10.0.orig/lib/Pod/Html.pm perl-5.10.0/lib/Pod/Html.pm
--- perl-5.10.0.orig/lib/Pod/Html.pm 2007-11-18 02:26:23.000000000 +1100
+++ perl-5.10.0/lib/Pod/Html.pm 2007-11-25 22:17:02.000000000 +1100
@@ -246,8 +246,8 @@
my $Doindex;
my $Backlink;
-my($Listlevel, @Listend);
-my $After_Lpar;
+my($Listlevel, @Listtype);
+my $ListNewTerm;
use vars qw($Ignore); # need to localize it later.
my(%Items_Named, @Items_Seen);
@@ -286,7 +286,7 @@
$Htmldir = ""; # The directory to which the html pages
# will (eventually) be written.
$Htmlfile = ""; # write to stdout by default
- $Htmlfileurl = "" ; # The url that other files would use to
+ $Htmlfileurl = ""; # The url that other files would use to
# refer to this file. This is only used
# to make relative urls that point to
# other files.
@@ -302,8 +302,9 @@
$Doindex = 1; # non-zero if we should generate an index
$Backlink = ''; # text for "back to top" links
$Listlevel = 0; # current list depth
- @Listend = (); # the text to use to end the list.
- $After_Lpar = 0; # set to true after a par in an =item
+ @Listtype = (); # list types for open lists
+ $ListNewTerm = 0; # indicates new term in definition list; used
+ # to correctly open/close <dd> tags
$Ignore = 1; # whether or not to format text. we don't
# format text until we hit our first pod
# directive.
@@ -519,7 +520,6 @@
# now convert this file
my $after_item; # set to true after an =item
- my $need_dd = 0;
warn "Converting input file $Podfile\n" if $Verbose;
foreach my $i (0..$#poddata){
$_ = $poddata[$i];
@@ -527,7 +527,6 @@
if (/^(=.*)/s) { # is it a pod directive?
$Ignore = 0;
$after_item = 0;
- $need_dd = 0;
$_ = $1;
if (/^=begin\s+(\S+)\s*(.*)/si) {# =begin
process_begin($1, $2);
@@ -543,12 +542,12 @@
if (/^=(head[1-6])\s+(.*\S)/s) { # =head[1-6] heading
process_head( $1, $2, $Doindex && $index );
} elsif (/^=item\s*(.*\S)?/sm) { # =item text
- $need_dd = process_item( $1 );
+ process_item( $1 );
$after_item = 1;
} elsif (/^=over\s*(.*)/) { # =over N
process_over();
} elsif (/^=back/) { # =back
- process_back($need_dd);
+ process_back();
} elsif (/^=for\s+(\S+)\s*(.*)/si) {# =for
process_for($1,$2);
} else {
@@ -563,8 +562,14 @@
next if $Ignore;
next if @Begin_Stack && $Begin_Stack[-1] ne 'html';
print HTML and next if @Begin_Stack && $Begin_Stack[-1] eq 'html';
- print HTML "<dd>\n" if $need_dd;
my $text = $_;
+
+ # Open tag for definition list as we have something to put in it
+ if( $ListNewTerm ){
+ print HTML "<dd>\n";
+ $ListNewTerm = 0;
+ }
+
if( $text =~ /\A\s+/ ){
process_pre( \$text );
print HTML "<pre>\n$text</pre>\n";
@@ -594,12 +599,8 @@
}
## end of experimental
- if( $after_item ){
- $After_Lpar = 1;
- }
print HTML "<p>$text</p>\n";
}
- print HTML "</dd>\n" if $need_dd;
$after_item = 0;
}
}
@@ -1074,12 +1075,12 @@
# figure out what kind of item it is.
# Build string for referencing this item.
- if ( $txt =~ /\A=item\s+\*\s*(.*)\Z/s ) { # bullet
+ if ( $txt =~ /\A=item\s+\*\s*(.*)\Z/s ) { # bulleted list
next unless $1;
$item = $1;
} elsif( $txt =~ /\A=item\s+(?>\d+\.?)\s*(.*)\Z/s ) { # numbered list
$item = $1;
- } elsif( $txt =~ /\A=item\s+(.*)\Z/s ) { # plain item
+ } elsif( $txt =~ /\A=item\s+(.*)\Z/s ) { # definition list
$item = $1;
} else {
next;
@@ -1099,12 +1100,7 @@
$tag =~ /head([1-6])/;
my $level = $1;
- if( $Listlevel ){
- warn "$0: $Podfile: unterminated list at =head in paragraph $Paragraph. ignoring.\n" unless $Quiet;
- while( $Listlevel ){
- process_back();
- }
- }
+ finish_list();
print HTML "<p>\n";
if( $level == 1 && ! $Top ){
@@ -1143,19 +1139,32 @@
$name = anchorify($name);
print HTML qq{<a name="$name" class="item">}, process_text( \$otext ), '</a>';
}
- print HTML "</strong>\n";
+ print HTML "</strong>";
undef( $EmittedItem );
}
-sub emit_li {
+sub new_listitem {
my( $tag ) = @_;
+ # Open tag for definition list as we have something to put in it
+ if( ($tag ne 'dl') && ($ListNewTerm) ){
+ print HTML "<dd>\n";
+ $ListNewTerm = 0;
+ }
+
if( $Items_Seen[$Listlevel]++ == 0 ){
- push( @Listend, "</$tag>" );
+ # start of new list
+ push( @Listtype, "$tag" );
print HTML "<$tag>\n";
+ } else {
+ # if this is not the first item, close the previous one
+ if ( $tag eq 'dl' ){
+ print HTML "</dd>\n" unless $ListNewTerm;
+ } else {
+ print HTML "</li>\n";
+ }
}
- my $emitted = $tag eq 'dl' ? 'dt' : 'li';
- print HTML "<$emitted>";
- return $emitted;
+ my $opentag = $tag eq 'dl' ? 'dt' : 'li';
+ print HTML "<$opentag>";
}
#
@@ -1163,7 +1172,6 @@
#
sub process_item {
my( $otext ) = @_;
- my $need_dd = 0; # set to 1 if we need a <dd></dd> after an item
# lots of documents start a list without doing an =over. this is
# bad! but, the proper thing to do seems to be to just assume
@@ -1173,43 +1181,41 @@
process_over();
}
- # formatting: insert a paragraph if preceding item has >1 paragraph
- if( $After_Lpar ){
- print HTML $need_dd ? "</dd>\n" : "</li>\n" if $After_Lpar;
- $After_Lpar = 0;
- }
-
# remove formatting instructions from the text
my $text = depod( $otext );
- my $emitted; # the tag actually emitted, used for closing
-
# all the list variants:
if( $text =~ /\A\*/ ){ # bullet
- $emitted = emit_li( 'ul' );
+ new_listitem( 'ul' );
if ($text =~ /\A\*\s+(\S.*)\Z/s ) { # with additional text
my $tag = $1;
$otext =~ s/\A\*\s+//;
emit_item_tag( $otext, $tag, 1 );
+ print HTML "\n";
}
} elsif( $text =~ /\A\d+/ ){ # numbered list
- $emitted = emit_li( 'ol' );
+ new_listitem( 'ol' );
if ($text =~ /\A(?>\d+\.?)\s*(\S.*)\Z/s ) { # with additional text
my $tag = $1;
$otext =~ s/\A\d+\.?\s*//;
emit_item_tag( $otext, $tag, 1 );
+ print HTML "\n";
}
} else { # definition list
- $emitted = emit_li( 'dl' );
+ # new_listitem takes care of opening the <dt> tag
+ new_listitem( 'dl' );
if ($text =~ /\A(.+)\Z/s ){ # should have text
emit_item_tag( $otext, $text, 1 );
+ # write the definition term and close <dt> tag
+ print HTML "</dt>\n";
}
- $need_dd = 1;
+ # trigger opening a <dd> tag for the actual definition; will not
+ # happen if next paragraph is also a definition term (=item)
+ $ListNewTerm = 1;
}
print HTML "\n";
- return $need_dd;
}
#
@@ -1219,30 +1225,31 @@
# start a new list
$Listlevel++;
push( @Items_Seen, 0 );
- $After_Lpar = 0;
}
#
# process_back - process a pod back tag and convert it to HTML format.
#
sub process_back {
- my $need_dd = shift;
if( $Listlevel == 0 ){
warn "$0: $Podfile: unexpected =back directive in paragraph $Paragraph. ignoring.\n" unless $Quiet;
return;
}
- # close off the list. note, I check to see if $Listend[$Listlevel] is
+ # close off the list. note, I check to see if $Listtype[$Listlevel] is
# defined because an =item directive may have never appeared and thus
- # $Listend[$Listlevel] may have never been initialized.
+ # $Listtype[$Listlevel] may have never been initialized.
$Listlevel--;
- if( defined $Listend[$Listlevel] ){
- print HTML $need_dd ? "</dd>\n" : "</li>\n" if $After_Lpar;
- print HTML $Listend[$Listlevel];
- print HTML "\n";
- pop( @Listend );
+ if( defined $Listtype[$Listlevel] ){
+ if ( $Listtype[$Listlevel] eq 'dl' ){
+ print HTML "</dd>\n" unless $ListNewTerm;
+ } else {
+ print HTML "</li>\n";
+ }
+ print HTML "</$Listtype[$Listlevel]>\n";
+ pop( @Listtype );
+ $ListNewTerm = 0;
}
- $After_Lpar = 0;
# clean up item count
pop( @Items_Seen );
@@ -2025,9 +2032,11 @@
# after the entire pod file has been read and converted.
#
sub finish_list {
- while ($Listlevel > 0) {
- print HTML "</dl>\n";
- $Listlevel--;
+ if( $Listlevel ){
+ warn "$0: $Podfile: unterminated list(s) at =head in paragraph $Paragraph. ignoring.\n" unless $Quiet;
+ while( $Listlevel ){
+ process_back();
+ }
}
}
diff -Naur --exclude=debian perl-5.10.0.orig/lib/Pod/t/htmllink.t perl-5.10.0/lib/Pod/t/htmllink.t
--- perl-5.10.0.orig/lib/Pod/t/htmllink.t 2007-11-18 02:26:23.000000000 +1100
+++ perl-5.10.0/lib/Pod/t/htmllink.t 2007-11-25 22:17:02.000000000 +1100
@@ -108,24 +108,21 @@
<h2><a name="section_three">section three</a></h2>
<p>This is section three.</p>
<dl>
-<dt><strong><a name="item1" class="item">item1</a></strong>
+<dt><strong><a name="item1" class="item">item1</a></strong></dt>
<dd>
<p>This is item one.</p>
</dd>
-</li>
-<dt><strong><a name="item_2" class="item">item 2</a></strong>
+<dt><strong><a name="item_2" class="item">item 2</a></strong></dt>
<dd>
<p>This is item two.</p>
</dd>
-</li>
-<dt><strong><a name="item_three" class="item">item three</a></strong>
+<dt><strong><a name="item_three" class="item">item three</a></strong></dt>
<dd>
<p>This is item three.</p>
</dd>
-</li>
</dl>
</body>
diff -Naur --exclude=debian perl-5.10.0.orig/lib/Pod/t/htmlview.pod perl-5.10.0/lib/Pod/t/htmlview.pod
--- perl-5.10.0.orig/lib/Pod/t/htmlview.pod 2007-11-18 02:26:23.000000000 +1100
+++ perl-5.10.0/lib/Pod/t/htmlview.pod 2007-11-25 22:17:02.000000000 +1100
@@ -110,7 +110,7 @@
=head1 TESTING FOR AND BEGIN
-=for html <br>
+=for html <br />
<p>
blah blah
</p>
diff -Naur --exclude=debian perl-5.10.0.orig/lib/Pod/t/htmlview.t perl-5.10.0/lib/Pod/t/htmlview.t
--- perl-5.10.0.orig/lib/Pod/t/htmlview.t 2007-11-18 02:26:23.000000000 +1100
+++ perl-5.10.0/lib/Pod/t/htmlview.t 2007-11-25 22:17:02.000000000 +1100
@@ -86,17 +86,15 @@
<h2><a name="new__"><code>new()</code></a></h2>
<p>Constructor method. Accepts the following config options:</p>
<dl>
-<dt><strong><a name="foo" class="item">foo</a></strong>
+<dt><strong><a name="foo" class="item">foo</a></strong></dt>
<dd>
<p>The foo item.</p>
</dd>
-</li>
-<dt><strong><a name="bar" class="item">bar</a></strong>
+<dt><strong><a name="bar" class="item">bar</a></strong></dt>
<dd>
<p>The bar item.</p>
-</dd>
<p>This is a list within a list</p>
<ul>
<li>
@@ -106,30 +104,36 @@
<p>The waz item.</p>
</li>
</ul>
-<dt><strong><a name="baz" class="item">baz</a></strong>
+</dd>
+<dt><strong><a name="baz" class="item">baz</a></strong></dt>
<dd>
<p>The baz item.</p>
</dd>
-</li>
</dl>
<p>Title on the same line as the =item + * bullets</p>
<ul>
<li><strong><a name="black_cat" class="item"><code>Black</code> Cat</a></strong>
+</li>
<li><strong><a name="sat_on_the" class="item">Sat <em>on</em>&nbsp;the</a></strong>
+</li>
<li><strong><a name="mat" class="item">Mat&lt;!&gt;</a></strong>
+</li>
</ul>
<p>Title on the same line as the =item + numerical bullets</p>
<ol>
<li><strong><a name="cat" class="item">Cat</a></strong>
+</li>
<li><strong><a name="sat" class="item">Sat</a></strong>
+</li>
<li><strong><a name="mat2" class="item">Mat</a></strong>
+</li>
</ol>
<p>No bullets, no title</p>
<dl>
@@ -137,17 +141,14 @@
<dd>
<p>Cat</p>
</dd>
-</li>
<dt>
<dd>
<p>Sat</p>
</dd>
-</li>
<dt>
<dd>
<p>Mat</p>
</dd>
-</li>
</dl>
<p>
</p>
@@ -157,7 +158,7 @@
</p>
<hr />
<h1><a name="testing_for_and_begin">TESTING FOR AND BEGIN</a></h1>
-<br>
+<br />
<p>
blah blah
</p><p>intermediate text</p>
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