snippets parsing

lib/search_do/backends/hyper_estraier/estraier_pure_extention.rb

@@ -3,9 +3,10 @@
 module SearchDo::Backends
   module HyperEstraier::EstraierPureExtention
     def self.included(base)
-      base.const_get("Node").send(:include, Node)
-      base.const_get("Condition").send(:include, Condition)
-      base.const_get("NodeResult").send(:include, NodeResult)
+      [Node,Condition,NodeResult,ResultDocument].each do |klas|
+        basic_class_name = klas.to_s.split('::').last
+        base.const_get(basic_class_name).send(:include, klas)
+      end
     end
 
     module Node
@@ -40,6 +41,18 @@ def docs; map{|e| e } ; end
 
       def first_doc; get_doc(0); end
     end
+
+    module ResultDocument
+      #wacky snippet string parsed into a nice array of lines
+      #where the found word (here: a search for bob) is marked to be highlighted
+      #[["hallo my name is ",false],["bob",true],[" butcher",false]]
+      def snippets
+        snip = @snippet.sub(/^\.+/,"\n")#first ... can be understood as \n
+        snip.split("\n").reject{|x|x==''}.map do |part|
+          part.include?("\t") ? [part.split("\t")[0],true] : [part,false]
+        end
+      end
+    end
   end
 end
 

spec/backends/result_document_spec.rb

@@ -0,0 +1,26 @@
+require File.expand_path("../spec_helper", File.dirname(__FILE__))
+require 'search_do/backends/hyper_estraier/estraier_pure_extention'
+
+
+describe EstraierPure::ResultDocument do
+  describe :snippet do
+    before do
+      #result of a search for "i am so blue"
+      snip = "...i\ti\n \nam\tam\n \nso\tso\n \nblue\tblue\n test\ni\ti\nng makes me happy\n\n"
+      @res = EstraierPure::ResultDocument.new('',{},snip,'')
+    end
+
+    it "returns a snippets" do
+      @res.snippets.should_not be_nil
+    end
+
+    it "transform the snippet to a array of lines" do
+      @res.snippets.size.should == 10
+    end
+
+    it "highlights the found words" do
+      #                                     i    ' '   am   ' '   so   ' '   blue   ' test'  i    ng makes...
+      @res.snippets.map{|x|x[1]}.should == [true,false,true,false,true,false,true,  false,   true,false]
+    end
+  end
+end