[PATCHv4 1/2] gitweb: refactor author name insertion

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The refactoring allows easier customization of the output by means of
CSS and improves extensibility on the CGI side too.

Layout is preserved for all views except for 'commitdiff', which now
uses the same format as 'commit'.

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@xxxxxxxxx>
---
 gitweb/gitweb.css  |    5 ++-
 gitweb/gitweb.perl |   79 +++++++++++++++++++++++++++++++---------------------
 2 files changed, 51 insertions(+), 33 deletions(-)

diff --git a/gitweb/gitweb.css b/gitweb/gitweb.css
index a01eac8..68b22ff 100644
--- a/gitweb/gitweb.css
+++ b/gitweb/gitweb.css
@@ -132,11 +132,14 @@ div.list_head {
 	font-style: italic;
 }
 
+.author_date, .author {
+	font-style: italic;
+}
+
 div.author_date {
 	padding: 8px;
 	border: solid #d9d8d1;
 	border-width: 0px 0px 1px 0px;
-	font-style: italic;
 }
 
 a.list {
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 1e7e2d8..223648f 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1469,6 +1469,14 @@ sub format_subject_html {
 	}
 }
 
+# format the author name with the given tag and optionally shortening it
+sub format_author_html {
+	my $tag = shift;
+	my $co = shift;
+	my $author = chop_and_escape_str($co->{'author_name'}, @_);
+	return "<$tag class=\"author\">" . $author . "</$tag>\n";
+}
+
 # format git diff header line, i.e. "diff --(git|combined|cc) ..."
 sub format_git_diff_header_line {
 	my $line = shift;
@@ -3214,11 +3222,13 @@ sub git_print_header_div {
 	      "\n</div>\n";
 }
 
+# Outputs the author name and date in long form
 sub git_print_authorship {
 	my $co = shift;
+	my $tag = shift || 'div';
 
 	my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
-	print "<div class=\"author_date\">" .
+	print "<$tag class=\"author_date\">" .
 	      esc_html($co->{'author_name'}) .
 	      " [$ad{'rfc2822'}";
 	if ($ad{'hour_local'} < 6) {
@@ -3228,7 +3238,30 @@ sub git_print_authorship {
 		printf(" (%02d:%02d %s)",
 		       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
 	}
-	print "]</div>\n";
+	print "]</$tag>\n";
+}
+
+# Outputs the author and commiter name and date in long form
+sub git_print_who {
+	my $co = shift;
+	my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
+	my %cd = parse_date($co->{'committer_epoch'}, $co->{'committer_tz'});
+	print "<tr><td>author</td><td>" . esc_html($co->{'author'}) . "</td></tr>\n".
+	      "<tr>" .
+	      "<td></td><td> $ad{'rfc2822'}";
+	if ($ad{'hour_local'} < 6) {
+		printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
+		       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
+	} else {
+		printf(" (%02d:%02d %s)",
+		       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
+	}
+	print "</td>" .
+	      "</tr>\n";
+	print "<tr><td>committer</td><td>" . esc_html($co->{'committer'}) . "</td></tr>\n";
+	print "<tr><td></td><td> $cd{'rfc2822'}" .
+	      sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
+	      "</td></tr>\n";
 }
 
 sub git_print_page_path {
@@ -4142,11 +4175,9 @@ sub git_shortlog_body {
 			print "<tr class=\"light\">\n";
 		}
 		$alternate ^= 1;
-		my $author = chop_and_escape_str($co{'author_name'}, 10);
 		# git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
 		print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
-		      "<td><i>" . $author . "</i></td>\n" .
-		      "<td>";
+			format_author_html('td', \%co, 10) . "<td>";
 		print format_subject_html($co{'title'}, $co{'title_short'},
 		                          href(action=>"commit", hash=>$commit), $ref);
 		print "</td>\n" .
@@ -4193,11 +4224,9 @@ sub git_history_body {
 			print "<tr class=\"light\">\n";
 		}
 		$alternate ^= 1;
-	# shortlog uses      chop_str($co{'author_name'}, 10)
-		my $author = chop_and_escape_str($co{'author_name'}, 15, 3);
 		print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
-		      "<td><i>" . $author . "</i></td>\n" .
-		      "<td>";
+	# shortlog uses      format_author_html('td', \%co, 10)
+			format_author_html('td', \%co, 15, 3) . "<td>";
 		# originally git_history used chop_str($co{'title'}, 50)
 		print format_subject_html($co{'title'}, $co{'title_short'},
 		                          href(action=>"commit", hash=>$commit), $ref);
@@ -4350,9 +4379,8 @@ sub git_search_grep_body {
 			print "<tr class=\"light\">\n";
 		}
 		$alternate ^= 1;
-		my $author = chop_and_escape_str($co{'author_name'}, 15, 5);
 		print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
-		      "<td><i>" . $author . "</i></td>\n" .
+		      format_author_html('td', \%co, 15, 5) .
 		      "<td>" .
 		      $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
 		               -class => "list subject"},
@@ -5094,9 +5122,9 @@ sub git_log {
 		      " | " .
 		      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
 		      "<br/>\n" .
-		      "</div>\n" .
-		      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
 		      "</div>\n";
+		      git_print_authorship(\%co);
+		      print "<br/>\n</div>\n";
 
 		print "<div class=\"log_body\">\n";
 		git_print_log($co{'comment'}, -final_empty_line=> 1);
@@ -5115,8 +5143,6 @@ sub git_commit {
 	$hash ||= $hash_base || "HEAD";
 	my %co = parse_commit($hash)
 	    or die_error(404, "Unknown commit object");
-	my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
-	my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
 
 	my $parent  = $co{'parent'};
 	my $parents = $co{'parents'}; # listref
@@ -5183,22 +5209,7 @@ sub git_commit {
 	}
 	print "<div class=\"title_text\">\n" .
 	      "<table class=\"object_header\">\n";
-	print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
-	      "<tr>" .
-	      "<td></td><td> $ad{'rfc2822'}";
-	if ($ad{'hour_local'} < 6) {
-		printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
-		       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
-	} else {
-		printf(" (%02d:%02d %s)",
-		       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
-	}
-	print "</td>" .
-	      "</tr>\n";
-	print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
-	print "<tr><td></td><td> $cd{'rfc2822'}" .
-	      sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
-	      "</td></tr>\n";
+	git_print_who(\%co);
 	print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
 	print "<tr>" .
 	      "<td>tree</td>" .
@@ -5579,7 +5590,11 @@ sub git_commitdiff {
 		git_header_html(undef, $expires);
 		git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
 		git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
-		git_print_authorship(\%co);
+		print "<div class=\"title_text\">\n" .
+		      "<table class=\"object_header\">\n";
+		git_print_who(\%co);
+		print "</table>".
+		      "</div>\n";
 		print "<div class=\"page_body\">\n";
 		if (@{$co{'comment'}} > 1) {
 			print "<div class=\"log\">\n";
-- 
1.6.3.rc1.192.gdbfcb

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