From 3919f07890ac9f6f0f3e15e51731dd7fc8bf29e5 Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <github@benoitblanchon.fr>
Date: Sun, 9 Nov 2014 13:54:03 +0100
Subject: [PATCH] Reduced size by 22 bytes by removing writeEmptyArray() and
 writeEmptyObject()

---
 include/ArduinoJson/Internals/JsonWriter.hpp |  2 --
 src/JsonArray.cpp                            | 23 +++++++----------
 src/JsonObject.cpp                           | 27 ++++++++------------
 3 files changed, 20 insertions(+), 32 deletions(-)

diff --git a/include/ArduinoJson/Internals/JsonWriter.hpp b/include/ArduinoJson/Internals/JsonWriter.hpp
index e50ea322..47d944cd 100644
--- a/include/ArduinoJson/Internals/JsonWriter.hpp
+++ b/include/ArduinoJson/Internals/JsonWriter.hpp
@@ -30,11 +30,9 @@ class JsonWriter {
 
   void beginArray() { write('['); }
   void endArray() { write(']'); }
-  void writeEmptyArray() { write("[]"); }
 
   void beginObject() { write('{'); }
   void endObject() { write('}'); }
-  void writeEmptyObject() { write("{}"); }
 
   void writeColon() { write(':'); }
   void writeComma() { write(','); }
diff --git a/src/JsonArray.cpp b/src/JsonArray.cpp
index cea29ee1..f5fe5f16 100644
--- a/src/JsonArray.cpp
+++ b/src/JsonArray.cpp
@@ -44,22 +44,17 @@ JsonObject &JsonArray::createNestedObject() {
 }
 
 void JsonArray::writeTo(JsonWriter &writer) const {
-  node_type *child = _firstNode;
+  writer.beginArray();
 
-  if (child) {
-    writer.beginArray();
+  const node_type *child = _firstNode;
+  while (child) {
+    child->content.writeTo(writer);
 
-    for (;;) {
-      child->content.writeTo(writer);
+    child = child->next;
+    if (!child) break;
 
-      child = child->next;
-      if (!child) break;
-
-      writer.writeComma();
-    }
-
-    writer.endArray();
-  } else {
-    writer.writeEmptyArray();
+    writer.writeComma();
   }
+
+  writer.endArray();
 }
diff --git a/src/JsonObject.cpp b/src/JsonObject.cpp
index d90f6854..355d2a04 100644
--- a/src/JsonObject.cpp
+++ b/src/JsonObject.cpp
@@ -68,24 +68,19 @@ JsonObject::node_type *JsonObject::getNodeAt(const char *key) const {
 }
 
 void JsonObject::writeTo(JsonWriter &writer) const {
-  node_type *node = _firstNode;
+  writer.beginObject();
 
-  if (node) {
-    writer.beginObject();
+  const node_type *node = _firstNode;
+  while (node) {
+    writer.writeString(node->content.key);
+    writer.writeColon();
+    node->content.value.writeTo(writer);
 
-    for (;;) {
-      writer.writeString(node->content.key);
-      writer.writeColon();
-      node->content.value.writeTo(writer);
+    node = node->next;
+    if (!node) break;
 
-      node = node->next;
-      if (!node) break;
-
-      writer.writeComma();
-    }
-
-    writer.endObject();
-  } else {
-    writer.writeEmptyObject();
+    writer.writeComma();
   }
+
+  writer.endObject();
 }