fix %% line bug. [ruby-core:17491]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@17881 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sat Jul  5 00:33:08 2008  Masatoshi SEKI  <m_seki@mva.biglobe.ne.jp>
+
+	* lib/erb.rb (PercentScanner#scan): fix %% line bug. [ruby-core:17491]
+
+	* test/erb/test_erb.rb (test_percent): ditto.
+
 Sat Jul  5 00:31:53 2008  Masaki Suketa  <masaki.suketa@nifty.ne.jp>
 
 	* ext/win32ole/win32ole.c (d2time): fix the bug of VT_DATE 

lib/erb.rb

@@ -427,7 +427,7 @@ class ERB
       Scanner.regist_scanner(SimpleScanner2, nil, false)
 
       class PercentScanner < Scanner # :nodoc:
-	def scan
+	def scan(&blk)
           stag_reg = /(.*?)(^%%|^%|<%%|<%=|<%#|<%|\z)/m
           etag_reg = /(.*?)(%%>|%>|\z)/m
           scanner = StringScanner.new(@src)
@@ -437,11 +437,24 @@ class ERB
 
             elem = scanner[2]
             if elem == '%%'
-              elem = '%'
+              yield('%')
+              inline_scan(scanner.scan(/.*?(\n|\z)/), &blk)
             elsif elem == '%'
-              elem = PercentLine.new(scanner.scan(/.*?(\n|\z)/).chomp)
+              yield(PercentLine.new(scanner.scan(/.*?(\n|\z)/).chomp))
+            else
+              yield(elem)
             end
-            yield(elem)
+          end
+        end
+
+        def inline_scan(line)
+          stag_reg = /(.*?)(<%%|<%=|<%#|<%|\z)/m
+          etag_reg = /(.*?)(%%>|%>|\z)/m
+          scanner = StringScanner.new(line)
+          while ! scanner.eos?
+            scanner.scan(@stag ? etag_reg : stag_reg)
+            yield(scanner[1])
+            yield(scanner[2])
           end
         end
       end

test/erb/test_erb.rb

@@ -209,11 +209,13 @@ EOS
 n.times do |i|%>
 %% %%><%%<%= i%><%
 end%>
+%%%
 EOS
     ans = <<EOS
 % 
 % %%><%0
 % %%><%1
+%%
 EOS
     assert_equal(ans, ERB.new(src, nil, '%').result)
   end