From eb1a7747780312f5849dc2f8545bcc0e1467089a Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <github@benoitblanchon.fr>
Date: Mon, 25 Aug 2014 09:56:51 +0200
Subject: [PATCH] Fixed empty object output

---
 JsonGenerator/IndentedPrintDecorator.cpp | 26 ++++++++++++++++++++----
 JsonGenerator/IndentedPrintDecorator.h   |  3 ++-
 2 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/JsonGenerator/IndentedPrintDecorator.cpp b/JsonGenerator/IndentedPrintDecorator.cpp
index ca15c543..6c386367 100644
--- a/JsonGenerator/IndentedPrintDecorator.cpp
+++ b/JsonGenerator/IndentedPrintDecorator.cpp
@@ -10,15 +10,33 @@ size_t IndentedPrintDecorator::write(uint8_t c)
     switch (c)
     {
     case '{':
-        indent++;        
-        return sink.write(c) + writeln();
+        indent++;
+        emptyBlock = true;
+        return sink.write(c);
 
     case '}':
         indent--;
-        return writeln() + sink.write(c);
+
+        if (emptyBlock)
+        {
+            return sink.write(c);
+        }
+        else
+        {
+            return writeln() + sink.write(c);
+        }
 
     default:
-        return sink.write(c);
+
+        if (emptyBlock)
+        {
+            emptyBlock = false;
+            return writeln() + sink.write(c);
+        }
+        else
+        {
+            return sink.write(c);
+        }
     }
 }
 
diff --git a/JsonGenerator/IndentedPrintDecorator.h b/JsonGenerator/IndentedPrintDecorator.h
index e876b44a..c2ba4cc6 100644
--- a/JsonGenerator/IndentedPrintDecorator.h
+++ b/JsonGenerator/IndentedPrintDecorator.h
@@ -13,7 +13,7 @@ class IndentedPrintDecorator : public Print
 public:
 
     IndentedPrintDecorator(Print& p)
-        : indent(0), sink(p)
+        : indent(0), sink(p), emptyBlock(false)
     {
     }
 
@@ -21,6 +21,7 @@ public:
 
 private:
     int indent;
+    bool emptyBlock;
     Print& sink;
 
     size_t writeln();