lib/sugar-high/string.rb in sugar-high-0.5.0 vs lib/sugar-high/string.rb in sugar-high-0.5.1

@@ -1,49 +1,57 @@
 class String
-  def trim
-    self.strip
+  def self.random_letters count, type = :lower
+   letters(type).pick(count)
   end
-  
-  def concat *args
-    args.inject(self) do |res, arg| 
-      res << arg.to_s
-      res
+
+  def self.letters type = :lower
+    letters = ('a'..'z').to_a
+    type == :upper ? letters.map!(&:upcase) : letters
+  end
+
+  unless respond_to? :trim
+    def trim
+      self.strip
     end
   end
+ 
+  unless respond_to? :concat
+    def concat *args
+      args.inject(self) do |res, arg| 
+        res << arg.to_s
+        res
+      end
+    end
+  end
 
   # remove prefixed '-' signs, then allow any letter, number, underscore '_' or dash '-'
   def alpha_numeric
     self.gsub(/^\-+/, '').gsub(/[^0-9a-zA-Z_\-]+/i, '')
   end
-  
+
   def insert_before_last str, marker = 'end'
     res = []
     found = false
     marker = case marker
     when Symbol, String
       marker.to_s
     when Hash
       marker[:marker].to_s
     else
       raise ArgumentException, "last argument is the marker and must be a String, Symbol or even Hash with a :marker option pointing to the marker (String or Symbol)"
-    end      
-  
+    end
+
     marker = Regexp.escape(marker.to_s.reverse)
     nl = Regexp.escape("\n")
-    # puts self
-    # puts "marker: #{marker}"
-    # puts "nl: #{nl}"    
-    # puts "str: #{str}"    
-  
     self.reverse.each_line do |x|
-      x.gsub! /#{nl}/, ''  
+      x.gsub! /#{nl}/, ''
       if !found && x =~ /#{marker}/
         replace = "#{str}\n" << x.reverse
         res << replace
         found = true
       else
         res << x.reverse
       end
-    end    
+    end
     res = res.reverse.join("\n")
   end
-end
\ No newline at end of file
+end