lib/scissor/fragment.rb in youpy-scissor-0.0.15 vs lib/scissor/fragment.rb in youpy-scissor-0.0.16

@@ -1,18 +1,48 @@
+require 'pathname'
+
 module Scissor
   class Fragment
     attr_reader :filename, :start, :duration
 
     def initialize(filename, start, duration, reverse = false)
-      @filename = filename
+      @filename = Pathname.new(filename)
       @start = start
       @duration = duration
       @reverse = reverse
 
       freeze
     end
 
     def reversed?
       @reverse
+    end
+
+    def create(remaining_start, remaining_length)
+      new_fragment = nil
+
+      if remaining_start >= duration
+        remaining_start -= duration
+      else
+        if remaining_start + remaining_length >= duration
+          new_fragment = self.class.new(
+            filename,
+            start + remaining_start,
+            duration - remaining_start)
+
+          remaining_length -= (duration - remaining_start)
+          remaining_start = 0
+        else
+          new_fragment = self.class.new(
+            filename,
+            start + remaining_start,
+            remaining_length)
+
+          remaining_start = 0
+          remaining_length = 0
+        end
+      end
+
+      return new_fragment, remaining_start, remaining_length
     end
   end
 end