ui-blame: Break out emit_blame_entry into component methods

Signed-off-by: Jeff Smith <whydoubt@gmail.com>
Reviewed-by: John Keeping <john@keeping.me.uk>

ui-blame.c

@@ -41,36 +41,52 @@ static char *emit_suspect_detail(struct blame_origin *suspect)
 	return strbuf_detach(&detail, NULL);
 }
 
-static void emit_blame_entry(struct blame_scoreboard *sb,
-			     struct blame_entry *ent)
+static void emit_blame_entry_hash(struct blame_entry *ent)
 {
 	struct blame_origin *suspect = ent->suspect;
 	struct object_id *oid = &suspect->commit->object.oid;
+
+	char *detail = emit_suspect_detail(suspect);
+	cgit_commit_link(find_unique_abbrev(oid->hash, DEFAULT_ABBREV), detail,
+			 NULL, ctx.qry.head, oid_to_hex(oid), suspect->path);
+	free(detail);
+}
+
+static void emit_blame_entry_linenumber(struct blame_entry *ent)
+{
 	const char *numberfmt = "<a id='n%1$d' href='#n%1$d'>%1$d</a>\n";
+
+	unsigned long lineno = ent->lno;
+	while (lineno < ent->lno + ent->num_lines)
+		htmlf(numberfmt, ++lineno);
+}
+
+static void emit_blame_entry_line(struct blame_scoreboard *sb,
+				  struct blame_entry *ent)
+{
 	const char *cp, *cpend;
 
-	char *detail = emit_suspect_detail(suspect);
+	cp = blame_nth_line(sb, ent->lno);
+	cpend = blame_nth_line(sb, ent->lno + ent->num_lines);
+
+	html_ntxt(cp, cpend - cp);
+}
 
+static void emit_blame_entry(struct blame_scoreboard *sb,
+			     struct blame_entry *ent)
+{
 	html("<tr><td class='sha1 hashes'>");
-	cgit_commit_link(find_unique_abbrev(oid->hash, DEFAULT_ABBREV), detail,
-			 NULL, ctx.qry.head, oid_to_hex(oid), suspect->path);
+	emit_blame_entry_hash(ent);
 	html("</td>\n");
 
-	free(detail);
-
 	if (ctx.cfg.enable_tree_linenumbers) {
-		unsigned long lineno = ent->lno;
 		html("<td class='linenumbers'><pre>");
-		while (lineno < ent->lno + ent->num_lines)
-			htmlf(numberfmt, ++lineno);
+		emit_blame_entry_linenumber(ent);
 		html("</pre></td>\n");
 	}
 
-	cp = blame_nth_line(sb, ent->lno);
-	cpend = blame_nth_line(sb, ent->lno + ent->num_lines);
-
 	html("<td class='lines'><pre><code>");
-	html_ntxt(cp, cpend - cp);
+	emit_blame_entry_line(sb, ent);
 	html("</code></pre></td></tr>\n");
 }