Better handle html-only emails (#16962).

git-svn-id: http://svn.redmine.org/redmine/trunk@14313 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/wiki_formatting/markdown/html_parser.rb

@@ -0,0 +1,40 @@
+# Redmine - project management software
+# Copyright (C) 2006-2015  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module Redmine
+  module WikiFormatting
+    module Markdown
+      class HtmlParser < Redmine::WikiFormatting::HtmlParser
+
+        self.tags = {
+          'b' => {:pre => '**', :post => '**'},
+          'strong' => {:pre => '**', :post => '**'},
+          'i' => {:pre => '_', :post => '_'},
+          'em' => {:pre => '_', :post => '_'},
+          'strike' => {:pre => '~~', :post => '~~'},
+          'br' => {:post => "\n"},
+          'h1' => {:pre => "\n\n# ", :post => "\n\n"},
+          'h2' => {:pre => "\n\n## ", :post => "\n\n"},
+          'h3' => {:pre => "\n\n### ", :post => "\n\n"},
+          'h4' => {:pre => "\n\n#### ", :post => "\n\n"},
+          'h5' => {:pre => "\n\n##### ", :post => "\n\n"},
+          'h6' => {:pre => "\n\n###### ", :post => "\n\n"}
+        }
+      end
+    end
+  end
+end