1 files changed, 31 insertions, 0 deletions
diff --git a/app/helpers/text_helper.rb b/app/helpers/text_helper.rb
new file mode 100644
index 000000000..c042c0342
--- /dev/null
+++ b/app/helpers/text_helper.rb
@@ -0,0 +1,31 @@
+# coding: utf-8
+require 'htmlentities'
+require 'sixarm_ruby_unaccent'
+
+module TextHelper
+
+  def normalize_text(html)
+    t = html.downcase
+
+    t.gsub!(/<(?:p|pre|blockquote|code|h[1-6]|li)\b[^>]*>/, "\n")
+    t.gsub!(/<[bh]r[\/ ]*>/, "\n")
+    t.gsub!(/<\/?[^>]*>/, '')
+
+    t = HTMLEntities.new.decode(t)
+
+    t.gsub!(/[ \t]*\302\240+[ \t]*/, ' ')
+    t.gsub!(/  +/, ' ')
+
+    t.gsub!(/\r\n?/, "\n")
+    t.gsub!(/\n[ \t]+/, "\n")
+    t.gsub!(/[ \t]+\n/, "\n")
+    t.gsub!(/\n\n+/, "\n")
+
+    t.unaccent_via_split_map.strip
+  end
+
+  def normalize_status(status)
+    return normalize_text("#{status.spoiler_text}\n#{status.text}") unless status.local?
+    normalize_text("#{status.spoiler_text}\n#{Formatter.instance.format(status)}")
+  end
+end