fixes #1568

app/logical/d_text.rb

@@ -131,6 +131,8 @@ class DText
       str.gsub!(/\s*\[\/quote\]\s*/m, "\n\n[/quote]\n\n")
       str.gsub!(/\s*\[code\]\s*/m, "\n\n[code]\n\n")
       str.gsub!(/\s*\[\/code\]\s*/m, "\n\n[/code]\n\n")
+      str.gsub!(/\[spoilers?\]\s+/m, "\n\n[spoiler]\n\n")
+      str.gsub!(/\s+\[\/spoilers?\]/m, "\n\n[/spoiler]\n\n")
       str.gsub!(/^(h[1-6]\.\s*.+)$/, "\n\n\\1\n\n")
     end
 
@@ -172,6 +174,18 @@ class DText
         else
           ""
         end
+
+      when "[spoiler]"
+        stack << "spoiler"
+        '<div class="spoiler">'
+
+      when "[/spoiler]"
+        if stack.last == "spoiler"
+          stack.pop
+          "</div>"
+        else
+          ""
+        end
         
       when /\[code\](?!\])/
         flags[:code] = true
@@ -197,6 +211,8 @@ class DText
         html << "</div>"
       elsif tag == "pre"
         html << "</pre>"
+      elsif tag == "spoiler"
+        html << "</div>"
       end
     end
 

test/unit/dtext_test.rb

@@ -18,10 +18,11 @@ class DTextTest < ActiveSupport::TestCase
 
   def test_spoilers
     assert_equal("<p>this is <span class=\"spoiler\">an inline spoiler</span>.</p>", p("this is [spoiler]an inline spoiler[/spoiler]."))
-    assert_equal("<p>this is</p><p><span class=\"spoiler\"><br>a block spoiler<br></span>.</p>", p("this is\n\n[spoiler]\na block spoiler\n[/spoiler]."))
+    assert_equal("<p>this is</p><div class=\"spoiler\"><p>a block spoiler</p></div><p>.</p>", p("this is\n\n[spoiler]\na block spoiler\n[/spoiler]."))
     assert_equal("<p>[spoiler]this is a spoiler with no closing tag</p><p>new text</p>", p("[spoiler]this is a spoiler with no closing tag\n\nnew text"))
     assert_equal("<p>[spoiler]this is a spoiler with no closing tag<br>new text</p>", p("[spoiler]this is a spoiler with no closing tag\nnew text"))
     assert_equal("<p><span class=\"spoiler\">this is [spoiler]a nested</span> spoiler[/spoiler]</p>", p("[spoiler]this is [spoiler]a nested[/spoiler] spoiler[/spoiler]"))
+    assert_equal("<div class=\"spoiler\"><p>this is a block spoiler with no closing tag</p></div>", p("[spoiler]\nthis is a block spoiler with no closing tag"))
   end
 
   def test_paragraphs