Added JsonContainer::prettyPrintTo()

2014-10-07 11:22:10 +02:00
parent b6799dc231
commit 7a40711af3
19 changed files with 454 additions and 108 deletions
--- a/srcs/Internals/IndentedPrint.h
+++ b/srcs/Internals/IndentedPrint.h
@ -0,0 +1,53 @@
+/*
+* Arduino JSON library
+* Benoit Blanchon 2014 - MIT License
+*/
+
+#pragma once
+
+#include "../Arduino/Print.h"
+
+namespace ArduinoJson
+{
+    namespace Generator
+    {
+        // Decorator on top of Print to allow indented output.
+        // This class is used by JsonPrintable::prettyPrintTo() but can also be used
+        // for your own purpose, like logging.
+        class IndentedPrint : public Print
+        {
+        public:
+
+            IndentedPrint(Print& p)
+                : sink(p)
+            {
+                level = 0;
+                tabSize = 2;
+                isNewLine = true;
+            }
+
+            virtual size_t write(uint8_t);
+
+            // Adds one level of indentation
+            void indent();
+
+            // Removes one level of indentation
+            void unindent();
+
+            // Set the number of space printed for each level of indentation
+            void setTabSize(uint8_t n);
+
+        private:
+            Print& sink;
+            uint8_t level : 4;
+            uint8_t tabSize : 3;
+            bool isNewLine : 1;
+            
+            size_t writeTabs();
+
+            static const int MAX_LEVEL = 15; // because it's only 4 bits
+            static const int MAX_TAB_SIZE = 7; // because it's only 3 bits
+        };
+    }
+}
+