From b570a06f2bc0bd75e19e55c9f77e08cd7fa2536d Mon Sep 17 00:00:00 2001
From: inga-lovinde <52715130+inga-lovinde@users.noreply.github.com>
Date: Tue, 21 Mar 2017 11:09:25 +0300
Subject: [PATCH] Improved debugging

---
 WhiteRabbit/Program.cs          | 10 ++++++++++
 WhiteRabbit/StringsProcessor.cs |  5 +++++
 WhiteRabbit/VectorsProcessor.cs |  6 ++++++
 3 files changed, 21 insertions(+)

diff --git a/WhiteRabbit/Program.cs b/WhiteRabbit/Program.cs
index 3ea8fc0..32dbb6e 100644
--- a/WhiteRabbit/Program.cs
+++ b/WhiteRabbit/Program.cs
@@ -86,5 +86,15 @@
                 yield return Encoding.ASCII.GetBytes(line);
             }
         }
+
+#if SINGLE_THREADED
+        private static void ForAll<T>(this IEnumerable<T> source, Action<T> action)
+        {
+            foreach (var entry in source)
+            {
+                action(entry);
+            }
+        }
+#endif
     }
 }
diff --git a/WhiteRabbit/StringsProcessor.cs b/WhiteRabbit/StringsProcessor.cs
index 30f9233..1a3b6fb 100644
--- a/WhiteRabbit/StringsProcessor.cs
+++ b/WhiteRabbit/StringsProcessor.cs
@@ -15,6 +15,7 @@
 
             // Dictionary of vectors to array of words represented by this vector
             var vectorsToWords = words
+                .Where(word => word != null && word.Length > 0)
                 .Select(word => new { word, vector = this.VectorsConverter.GetVector(word) })
                 .Where(tuple => tuple.vector != null)
                 .Select(tuple => new { tuple.word, vector = tuple.vector.Value })
@@ -41,7 +42,11 @@
 
         private int NumberOfCharacters { get; }
 
+#if SINGLE_THREADED
+        public IEnumerable<byte[]> GeneratePhrases()
+#else
         public ParallelQuery<byte[]> GeneratePhrases()
+#endif
         {
             // task of finding anagrams could be reduced to the task of finding sequences of dictionary vectors with the target sum
             var sums = this.VectorsProcessor.GenerateSequences();
diff --git a/WhiteRabbit/VectorsProcessor.cs b/WhiteRabbit/VectorsProcessor.cs
index da2b4da..7eb61a3 100644
--- a/WhiteRabbit/VectorsProcessor.cs
+++ b/WhiteRabbit/VectorsProcessor.cs
@@ -37,10 +37,16 @@
         private ImmutableArray<VectorInfo> Dictionary { get; }
 
         // Produces all sequences of vectors with the target sum
+#if SINGLE_THREADED
+        public IEnumerable<int[]> GenerateSequences()
+#else
         public ParallelQuery<int[]> GenerateSequences()
+#endif
         {
             return GenerateUnorderedSequences(this.Target, GetVectorNorm(this.Target, this.Target), this.MaxVectorsCount, this.Dictionary, 0)
+#if !SINGLE_THREADED
                 .AsParallel()
+#endif
                 .Select(Enumerable.ToArray)
                 .SelectMany(GeneratePermutations);
         }