lib/zemanta/enhancer.rb in zemanta_client-0.0.4 vs lib/zemanta/enhancer.rb in zemanta_client-0.0.5

@@ -1,7 +1,11 @@
 module Zemanta
   class Enhancer
+    # Options:
+    #
+    #  no_duplicates (default: false) - ensures links are used once
+    #
     def initialize(text, opts = {})
       @text = text
       @opts = opts
     end
 
@@ -13,11 +17,15 @@
     private
 
     def enhance!
       words_to_anchor(@opts).each do |dictionary|
         link = "<a href=#{dictionary[:link]}>#{dictionary[:word]}</a>"
-        @text.gsub!(dictionary[:word], link)
+        if @opts[:no_duplicates]
+          @text.sub!(dictionary[:word], link)
+        else
+          @text.gsub!(dictionary[:word], link)
+        end
       end
     end
 
     def words_to_anchor(opts)
       suggest_markup(opts).links.map do |link|
@@ -27,6 +35,6 @@
 
     def suggest_markup(opts = {})
       Markup.fetch(@text, opts)
     end
   end
-end
\ No newline at end of file
+end