Set version to 5.12.0

`char` is now treated as an integral type (issue #337, #370)

.github/ISSUE_TEMPLATE.md

@@ -1,11 +1,14 @@
 <!--
-Thanks for using ArduinoJson :-)
+Before opening an issue, please read the FAQ:
+https://arduinojson.org/faq/
 
-Before opening an issue, please make sure you've read these:
-https://bblanchon.github.io/ArduinoJson/faq/
-https://github.com/bblanchon/ArduinoJson/wiki/Avoiding-pitfalls
+Please provide all the relevant information:
+* good title
+* short description of the problem
+* target platform
+* compiler model and version
+* MVCE (https://stackoverflow.com/help/mcve)
+* compiler output
 
-Next, make sure you provide all the relevant information: platform, code snippet, and error messages.
-
-Please be concise!
+Good questions get fast answers!
 -->

.travis.yml

@@ -8,12 +8,6 @@ matrix:
           sources: ['ubuntu-toolchain-r-test']
           packages: ['g++-4.4']
       env: SCRIPT=cmake GCC=4.4
-    - compiler: gcc
-      addons:
-        apt:
-          sources: ['ubuntu-toolchain-r-test']
-          packages: ['g++-4.5']
-      env: SCRIPT=cmake GCC=4.5
     - compiler: gcc
       addons:
         apt:
@@ -44,6 +38,18 @@ matrix:
           sources: ['ubuntu-toolchain-r-test']
           packages: ['g++-5']
       env: SCRIPT=cmake GCC=5 SANITIZE=undefined
+    - compiler: gcc
+      addons:
+        apt:
+          sources: ['ubuntu-toolchain-r-test']
+          packages: ['g++-6']
+      env: SCRIPT=cmake GCC=6
+    - compiler: gcc
+      addons:
+        apt:
+          sources: ['ubuntu-toolchain-r-test']
+          packages: ['g++-7']
+      env: SCRIPT=cmake GCC=7
     - compiler: clang
       env: SCRIPT=cmake
     - compiler: clang
@@ -76,28 +82,14 @@ matrix:
       osx_image: xcode6.4
       compiler: clang
       env: SCRIPT=cmake
-    - os: osx
-      osx_image: xcode7
-      compiler: clang
-      env: SCRIPT=cmake
-    - os: osx
-      osx_image: xcode7.1
-      compiler: clang
-      env: SCRIPT=cmake
-    - os: osx
-      osx_image: xcode7.2
-      compiler: clang
-      env: SCRIPT=cmake
     - os: osx
       osx_image: xcode7.3
       compiler: clang
       env: SCRIPT=cmake SANITIZE=address
     - env: SCRIPT=arduino VERSION=1.6.7 BOARD=arduino:avr:uno
-    - env: SCRIPT=arduino VERSION=1.6.12 BOARD=arduino:avr:uno
+    - env: SCRIPT=arduino VERSION=1.8.2 BOARD=arduino:avr:uno
     - env: SCRIPT=platformio BOARD=uno
-    - env: SCRIPT=platformio BOARD=due
     - env: SCRIPT=platformio BOARD=esp01
-    - env: SCRIPT=platformio BOARD=teensy31
 cache:
   directories:
     - "~/.platformio"

ArduinoJson.h

@@ -1,8 +1,5 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
-#include "include/ArduinoJson.h"
+#include "src/ArduinoJson.h"

CHANGELOG.md

@@ -1,6 +1,113 @@
 ArduinoJson: change log
 =======================
 
+v5.12.0
+-------
+
+* Added `JsonVariant::operator|` to return a default value (see bellow)
+* Added a clear error message when compiled as C instead of C++ (issue #629)
+* Added detection of MPLAB XC compiler (issue #629)
+* Added detection of Keil ARM Compiler (issue #629)
+* Added an example that shows how to save and load a configuration file
+* Reworked all other examples
+
+> ### How to use the new feature?
+>
+> If you have a block like this:
+>
+> ```c++
+> const char* ssid = root["ssid"];
+> if (!ssid)
+>   ssid = "default ssid";
+> ```
+>
+> You can simplify like that:
+>
+> ```c++
+> const char* ssid = root["ssid"] | "default ssid";
+> ```
+
+v5.11.2
+-------
+
+* Fixed `DynamicJsonBuffer::clear()` not resetting allocation size (issue #561)
+* Fixed incorrect rounding for float values (issue #588)
+
+v5.11.1
+-------
+
+* Removed dependency on `PGM_P` as Particle 0.6.2 doesn't define it (issue #546)
+* Fixed warning "dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]"
+* Fixed warning "floating constant exceeds range of 'float' [-Woverflow]" (issue #544)
+* Fixed warning "this statement may fall through" [-Wimplicit-fallthrough=] (issue #539)
+* Removed `ARDUINOJSON_DOUBLE_IS_64BITS` as it became useless.
+* Fixed too many decimals places in float serialization (issue #543)
+
+v5.11.0
+-------
+
+* Made `JsonBuffer` non-copyable (PR #524 by @luisrayas3)
+* Added `StaticJsonBuffer::clear()`
+* Added `DynamicJsonBuffer::clear()`
+
+v5.10.1
+-------
+
+* Fixed IntelliSense errors in Visual Micro (issue #483)
+* Fixed compilation in IAR Embedded Workbench (issue #515)
+* Fixed reading "true" as a float (issue #516)
+* Added `ARDUINOJSON_DOUBLE_IS_64BITS`
+* Added `ARDUINOJSON_EMBEDDED_MODE`
+
+v5.10.0
+-------
+
+* Removed configurable number of decimal places (issues #288, #427 and #506)
+* Changed exponentiation thresholds to `1e7` and `1e-5` (issues #288, #427 and #506)
+* `JsonVariant::is<double>()` now returns `true` for integers
+* Fixed error `IsBaseOf is not a member of ArduinoJson::TypeTraits` (issue #495)
+* Fixed error `forming reference to reference` (issue #495)
+
+> ### BREAKING CHANGES :warning:
+>
+> | Old syntax                      | New syntax          |
+> |:--------------------------------|:--------------------|
+> | `double_with_n_digits(3.14, 2)` | `3.14`              |
+> | `float_with_n_digits(3.14, 2)`  | `3.14f`             |
+> | `obj.set("key", 3.14, 2)`       | `obj["key"] = 3.14` |
+> | `arr.add(3.14, 2)`              | `arr.add(3.14)`     |
+>
+> | Input     | Old output | New output |
+> |:----------|:-----------|:-----------|
+> | `3.14159` | `3.14`     | `3.14159`  |
+> | `42.0`    | `42.00`    | `42`       |
+> | `0.0`     | `0.00`     | `0`        |
+>
+> | Expression                     | Old result | New result |
+> |:-------------------------------|:-----------|:-----------|
+> | `JsonVariant(42).is<int>()`    | `true`     | `true`     |
+> | `JsonVariant(42).is<float>()`  | `false`    | `true`     |
+> | `JsonVariant(42).is<double>()` | `false`    | `true`     |
+
+v5.9.0
+------
+
+* Added `JsonArray::remove(iterator)` (issue #479)
+* Added `JsonObject::remove(iterator)`
+* Renamed `JsonArray::removeAt(size_t)` into `remove(size_t)`
+* Renamed folder `include/` to `src/`
+* Fixed warnings `floating constant exceeds range of float`and `floating constant truncated to zero` (issue #483)
+* Removed `Print` class and converted `printTo()` to a template method (issue #276)
+* Removed example `IndentedPrintExample.ino`
+* Now compatible with Particle 0.6.1, thanks to Jacob Nite (issue #294 and PR #461 by @foodbag)
+
+v5.8.4
+------
+
+* Added custom implementation of `strtod()` (issue #453)
+* Added custom implementation of `strtol()` (issue #465)
+* `char` is now treated as an integral type (issue #337, #370)
+
 v5.8.3
 ------
 
@@ -34,23 +141,23 @@ v5.8.0
 * Added support for `Stream` (issue #300)
 * Reduced memory consumption by not duplicating spaces and comments
 
-**BREAKING CHANGES**:
-
-`JsonBuffer::parseObject()` and  `JsonBuffer::parseArray()` have been pulled down to the derived classes `DynamicJsonBuffer` and `StaticJsonBufferBase`.
-
-This means that if you have code like:
-
-```c++
-void myFunction(JsonBuffer& jsonBuffer);
-```
-
-you need to replace it with one of the following:
-
-```c++
-void myFunction(DynamicJsonBuffer& jsonBuffer);
-void myFunction(StaticJsonBufferBase& jsonBuffer);
-template<typename TJsonBuffer> void myFunction(TJsonBuffer& jsonBuffer);
-```
+> ### BREAKING CHANGES :warning:
+>
+> `JsonBuffer::parseObject()` and  `JsonBuffer::parseArray()` have been pulled down to the derived classes `DynamicJsonBuffer` and `StaticJsonBufferBase`.
+>
+> This means that if you have code like:
+>
+> ```c++
+> void myFunction(JsonBuffer& jsonBuffer);
+> ```
+>
+> you need to replace it with one of the following:
+>
+> ```c++
+> void myFunction(DynamicJsonBuffer& jsonBuffer);
+> void myFunction(StaticJsonBufferBase& jsonBuffer);
+> template<typename TJsonBuffer> void myFunction(TJsonBuffer& jsonBuffer);
+> ```
 
 v5.7.3
 ------
@@ -83,27 +190,26 @@ v5.7.0
 * Added example `StringExample.ino` to show where `String` can be used
 * Increased default nesting limit to 50 when compiled for a computer (issue #349)
 
-**BREAKING CHANGES**:
-
-The non-template functions `JsonObject::get()` and `JsonArray.get()` have been removed. This means that you need to explicitely tell the type you expect in return.
-
-Old code:
-
-```c++
-#define ARDUINOJSON_USE_ARDUINO_STRING 0
-JsonVariant value1 = myObject.get("myKey");
-JsonVariant value2 = myArray.get(0);
-```
-
-New code:
-
-```c++
-#define ARDUINOJSON_ENABLE_ARDUINO_STRING 0
-#define ARDUINOJSON_ENABLE_STD_STRING 1
-JsonVariant value1 = myObject.get<JsonVariant>("myKey");
-JsonVariant value2 = myArray.get<JsonVariant>(0);
-```
-
+> ### BREAKING CHANGES :warning:
+>
+> The non-template functions `JsonObject::get()` and `JsonArray.get()` have been removed. This means that you need to explicitely tell the type you expect in return.
+>
+> Old code:
+>
+> ```c++
+> #define ARDUINOJSON_USE_ARDUINO_STRING 0
+> JsonVariant value1 = myObject.get("myKey");
+> JsonVariant value2 = myArray.get(0);
+> ```
+>
+> New code:
+>
+> ```c++
+> #define ARDUINOJSON_ENABLE_ARDUINO_STRING 0
+> #define ARDUINOJSON_ENABLE_STD_STRING 1
+> JsonVariant value1 = myObject.get<JsonVariant>("myKey");
+> JsonVariant value2 = myArray.get<JsonVariant>(0);
+> ```
 
 v5.6.7
 ------
@@ -195,8 +301,9 @@ v5.1.0
 * Added support of `long long` (issue #171)
 * Moved all build settings to `ArduinoJson/Configuration.hpp`
 
-**BREAKING CHANGE**:
-If you defined `ARDUINOJSON_ENABLE_STD_STREAM`, you now need to define it to `1`.
+> ### BREAKING CHANGE :warning:
+>
+> If you defined `ARDUINOJSON_ENABLE_STD_STREAM`, you now need to define it to `1`.
 
 v5.0.8
 ------
@@ -210,9 +317,10 @@ v5.0.7
 * Made library easier to use from a CMake project: simply `add_subdirectory(ArduinoJson/src)`
 * Changed `String` to be a `typedef` of `std::string` (issues #142 and #161)
 
-**BREAKING CHANGES**:
-- `JsonVariant(true).as<String>()` now returns `"true"` instead of `"1"`
-- `JsonVariant(false).as<String>()` now returns `"false"` instead of `"0"`
+> ### BREAKING CHANGES :warning:
+>
+> - `JsonVariant(true).as<String>()` now returns `"true"` instead of `"1"`
+> - `JsonVariant(false).as<String>()` now returns `"false"` instead of `"0"`
 
 v5.0.6
 ------
@@ -266,10 +374,11 @@ v5.0.0
 * Redesigned `JsonVariant` to leverage converting constructors instead of assignment operators (issue #66)
 * Switched to new the library layout (requires Arduino 1.0.6 or above)
 
-**BREAKING CHANGES**:
-- `JsonObject::add()` was renamed to `set()`
-- `JsonArray::at()` and `JsonObject::at()` were renamed to `get()`
-- Number of digits of floating point value are now set with `double_with_n_digits()`
+> ### BREAKING CHANGES :warning:
+>
+> - `JsonObject::add()` was renamed to `set()`
+> - `JsonArray::at()` and `JsonObject::at()` were renamed to `get()`
+> - Number of digits of floating point value are now set with `double_with_n_digits()`
 
 **Personal note about the `String` class**:
 Support of the `String` class has been added to the library because many people use it in their programs.
@@ -322,106 +431,7 @@ v4.0
 * Unified parser and generator API (issue #23)
 * Updated library layout, now requires Arduino 1.0.6 or newer
 
-**BREAKING CHANGE**: API changed significantly, see [Migrating code to the new API](https://github.com/bblanchon/ArduinoJson/wiki/Migrating-code-to-the-new-API).
+> ### BREAKING CHANGES :warning:
+>
+> API changed significantly since v3, see [Migrating code to the new API](https://arduinojson.org/doc/migration/).
 
-
-v3.4
-----
-
-* Fixed escaped char parsing (issue #16)
-
-
-v3.3
-----
-
-* Added indented output for the JSON generator (issue #11), see example bellow.
-* Added `IndentedPrint`, a decorator for `Print` to allow indented output
-
-Example:
-
-    JsonOject<2> json;
-    json["key"] = "value";
-    json.prettyPrintTo(Serial);
-
-v3.2
-----
-
-* Fixed a bug when adding nested object in `JsonArray` (bug introduced in v3.1).
-
-v3.1
-----
-
-* Calling `Generator::JsonObject::add()` twice with the same `key` now replaces the `value`
-* Added `Generator::JsonObject::operator[]`, see bellow the new API
-* Added `Generator::JsonObject::remove()` (issue #9)
-
-Old generator API:
-
-	JsonObject<3> root;
-    root.add("sensor", "gps");
-    root.add("time", 1351824120);
-    root.add("data", array);
-
-New generator API:
-
-	JsonObject<3> root;
-    root["sensor"] = "gps";
-    root["time"] = 1351824120;
-    root["data"] = array;
-
-v3.0
-----
-
-* New parser API, see bellow
-* Renamed `JsonHashTable` into `JsonObject`
-* Added iterators for `JsonArray` and `JsonObject` (issue #4)
-
-Old parser API:
-
-    JsonHashTable root = parser.parseHashTable(json);
-
-	char*  sensor    = root.getString("sensor");
-	long   time      = root.getLong("time");
-	double latitude  = root.getArray("data").getDouble(0);
-    double longitude = root.getArray("data").getDouble(1);
-
-New parser API:
-
-	JsonObject root = parser.parse(json);
-
-	char*  sensor    = root["sensor"];
-    long   time      = root["time"];
-    double latitude  = root["data"][0];
-    double longitude = root["data"][1];
-
-v2.1
-----
-
-* Fixed case `#include "jsmn.cpp"` which caused an error in Linux (issue #6)
-* Fixed a buffer overrun in JSON Parser (issue #5)
-
-v2.0
-----
-
-* Added JSON encoding (issue #2)
-* Renamed the library `ArduinoJsonParser` becomes `ArduinoJson`
-
-**Breaking change**: you need to add the following line at the top of your program.
-
-	using namespace ArduinoJson::Parser;
-
-v1.2
-----
-
-* Fixed error in JSON parser example (issue #1)
-
-v1.1
-----
-
-* Example: changed `char* json` into `char[] json` so that the bytes are not write protected
-* Fixed parsing bug when the JSON contains multi-dimensional arrays
-
-v1.0
-----
-
-Initial release

CMakeLists.txt

@@ -1,21 +1,16 @@
+# ArduinoJson - arduinojson.org
 # Copyright Benoit Blanchon 2014-2017
 # MIT License
-# 
-# Arduino JSON library
-# https://github.com/bblanchon/ArduinoJson
-# If you like this project, please add a star!
 
 cmake_minimum_required(VERSION 3.0)
 project(ArduinoJson)
 
 enable_testing()
 
-set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/lib)
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/lib)
-set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
-
 if(${COVERAGE})
 	set(CMAKE_CXX_FLAGS "-g -O0 -fprofile-arcs -ftest-coverage")
 endif()
 
+include_directories(${CMAKE_CURRENT_LIST_DIR}/src)
+add_subdirectory(third-party/catch)
 add_subdirectory(test)

CONTRIBUTING.md

@@ -0,0 +1,11 @@
+# Contribution to ArduinoJson
+
+First, thank you for taking the time to contribute to this project.
+
+You can submit changes via GitHub Pull Requests.
+
+Please:
+
+1. Unit test every change in behavior
+2. Use clang-format in "file" mode to format the code
+3. Consider using the Continuous Integration (Travis and AppVeyor)

README.md

@@ -1,8 +1,10 @@
+[![Build status](https://ci.appveyor.com/api/projects/status/m7s53wav1l0abssg/branch/master?svg=true)](https://ci.appveyor.com/project/bblanchon/arduinojson/branch/master) [![Build Status](https://travis-ci.org/bblanchon/ArduinoJson.svg?branch=master)](https://travis-ci.org/bblanchon/ArduinoJson) [![Coverage Status](https://img.shields.io/coveralls/bblanchon/ArduinoJson.svg)](https://coveralls.io/r/bblanchon/ArduinoJson?branch=master) [![Star this project](http://githubbadges.com/star.svg?user=bblanchon&repo=ArduinoJson&style=flat&color=fff&background=007ec6)](https://github.com/bblanchon/ArduinoJson)
+
+![ArduinoJson's logo](banner.svg)
+
 ArduinoJson - C++ JSON library for IoT
 ====================
 
-[![Build status](https://ci.appveyor.com/api/projects/status/m7s53wav1l0abssg/branch/master?svg=true)](https://ci.appveyor.com/project/bblanchon/arduinojson/branch/master) [![Build Status](https://travis-ci.org/bblanchon/ArduinoJson.svg?branch=master)](https://travis-ci.org/bblanchon/ArduinoJson) [![Coverage Status](https://img.shields.io/coveralls/bblanchon/ArduinoJson.svg)](https://coveralls.io/r/bblanchon/ArduinoJson?branch=master) [![Star this project](http://githubbadges.com/star.svg?user=bblanchon&repo=ArduinoJson&style=flat&color=fff&background=007ec6)](https://github.com/bblanchon/ArduinoJson)
-
 *An elegant and efficient JSON library for embedded systems.*
 
 It's designed to have the most intuitive API, the smallest footprint and is able to work without any allocation on the heap (no malloc).
@@ -23,20 +25,21 @@ Features
 * Small footprint
 * Header-only library
 * MIT License
+* [Comprehensive documentation](https://arduinojson.org)
 
 Works on
 --------
 
-* All Arduino boards (Uno, Due, Mini, Micro, Yun...)
-* ESP8266
+* Arduino boards: Uno, Due, Mini, Micro, Yun...
+* ESP8266, ESP32
 * Teensy
-* Intel Edison and Galileo
-* PlatformIO
-* Energia
 * RedBearLab boards (BLE Nano...)
-* Computers (Windows, Linux, OSX...)
-
-See [FAQ: Compatibility issues](https://bblanchon.github.io/ArduinoJson/faq/compilation-fails-device-crashes-nothing-on-serial-console)
+* Intel Edison and Galileo
+* WeMos boards: D1...
+* Computers: Windows, Linux, OSX...
+* PlatformIO
+* Particle
+* Energia
 
 Quick start
 -----------
@@ -56,7 +59,9 @@ double latitude    = root["data"][0];
 double longitude   = root["data"][1];
 ```
 
-[See JsonParserExample.ino](examples/JsonParserExample/JsonParserExample.ino)
+[See JsonParserExample.ino](https://arduinojson.org/example/parser/)
+
+Use [ArduinoJson Assistant](https://arduinojson.org/assistant/) to compute the buffer size.
 
 #### Encoding / Generating
 
@@ -68,52 +73,27 @@ root["sensor"] = "gps";
 root["time"] = 1351824120;
 
 JsonArray& data = root.createNestedArray("data");
-data.add(48.756080, 6);  // 6 is the number of decimals to print
-data.add(2.302038, 6);   // if not specified, 2 digits are printed
+data.add(48.756080);
+data.add(2.302038);
 
 root.printTo(Serial);
 // This prints:
 // {"sensor":"gps","time":1351824120,"data":[48.756080,2.302038]}
 ```
 
-[See JsonGeneratorExample.ino](examples/JsonGeneratorExample/JsonGeneratorExample.ino)
+[See JsonGeneratorExample.ino](https://arduinojson.org/example/generator/)
+
+Use [ArduinoJson Assistant](https://arduinojson.org/assistant/) to compute the buffer size.
 
 
 Documentation
 -------------
 
-The documentation is available online in the [ArduinoJson wiki](https://github.com/bblanchon/ArduinoJson/wiki).
+The documentation is available online in the [ArduinoJson Website](https://arduinojson.org/).
 
-The [ArduinoJson Assistant](https://bblanchon.github.io/ArduinoJson/assistant/) helps you get started with the library.
+The [ArduinoJson Assistant](https://arduinojson.org/assistant/) helps you get started with the library.
 
 
-Testimonials
-------------
-
-From Arduino's Forum user `jflaplante`:
-> I tried aJson json-arduino before trying your library. I always ran into memory problem after a while.
-> I have no such problem so far with your library. It is working perfectly with my web services.
-
-From StackOverflow user `thegreendroid`:
-> It has a really elegant, simple API and it works like a charm on embedded and Windows/Linux platforms. We recently started using this on an embedded project and I can vouch for its quality.
-
-From GitHub user `zacsketches`:
-> Thanks for a great library!!!
-> I've been watching you consistently develop this library over the past six months, and I used it today for a publish and subscribe architecture designed to help hobbyists move into more advanced robotics. Your library allowed me to implement remote subscription in order to facilitate multi-processor robots.
-> ArduinoJson saved me a week's worth of time!!
-
-[From Reddit user `erm_what_`](https://www.reddit.com/r/arduino/comments/3jj6ep/announcing_arduinojson_50/cusjk8c):
-> This is a great library and I wouldn't be able to do the project I'm doing without it. I completely recommend it.
-
-[From Reddit user `makerhacks`](https://www.reddit.com/r/arduino/comments/3jj6ep/announcing_arduinojson_50/cusqg7b):
-> I am just starting an ESP8266 clock project and now I can output JSON from my server script and interpret it painlessly.
-
-[From Twitter user `@hemalchevli`](https://twitter.com/hemalchevli/status/715788439397011456):
-> ArduinoJson library should be used as a benchmark/reference for making libraries. Truly elegant.
-
-[From GitHub user `sticilface`](https://github.com/bblanchon/ArduinoJson/issues/381#issuecomment-260203594):
-> its a great lib:) and i use it in everything!
-
 Donators
 --------
 
@@ -136,7 +116,16 @@ Special thanks to the following persons and companies who made generous donation
 * Yoeri Kroon <img alt='Netherlands' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1f3-1f1f1.svg' width='18' height='18'>
 * Andrew Melvin <img alt='United Kingdom' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1ec-1f1e7.svg' width='18' height='18'>
 * Doanh Luong <img alt ='Vietnam' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1fb-1f1f3.svg' width='18' height='18'>
-* Christoph Schmidt <img alt ='Germany' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1e9-1f1ea.svg' width='18' height='18'>
+* Christoph Schmidt <img alt='Germany' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1e9-1f1ea.svg' width='18' height='18'>
+* OpenEVSE LLC <img alt='USA' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1fa-1f1f8.svg' width='18' height='18'>
+* Prokhoryatov Alexey <img alt='Russia' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1f7-1f1fa.svg' width='18' height='18'>
+* Google Inc. <img alt='USA' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1fa-1f1f8.svg' width='18' height='18'>
+* Charles Haynes <img alt='Australia' src='https://d1j8pt39hxlh3d.cloudfront.net/development/emojione/2.2/989/2546.svg' width='18' height='18'>
+* Charles Walker <img alt='USA' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1fa-1f1f8.svg' width='18' height='18'>
+* Günther Jehle <img alt='Liechtenstein' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1f1-1f1ee.svg' width='18' height='18'>
+* Patrick Elliott
+* Alexander Wilms <img alt='Germany' src='https://cdnjs.cloudflare.com/ajax/libs/emojione/2.1.4/assets/svg/1f1e9-1f1ea.svg' width='18' height='18'>
+
 
 ---
 

SUPPORT.md

@@ -0,0 +1,27 @@
+# ArduinoJson Support
+
+First off, thank you very much for using ArduinoJson.
+
+We'll be very happy to help you, but first please read the following.
+
+## Before asking for help
+
+1. Read the [FAQ](https://arduinojson.org/faq/)
+2. Search in the [API Reference](https://arduinojson.org/api/)
+
+If you did not find the answer, please create a [new issue on GitHub](https://github.com/bblanchon/ArduinoJson/issues/new).
+
+It is OK to add a comment to a currently opened issue, but please avoid adding comments to a closed issue.
+
+## Before hitting the Submit button
+
+Please provide all the relevant information:
+
+* Good title
+* Short description of the problem
+* Target platform
+* Compiler model and version
+* [MVCE](https://stackoverflow.com/help/mcve)
+* Compiler output
+
+Good questions get fast answers!

appveyor.yml

@@ -1,13 +1,15 @@
-version: 5.8.3.{build}
+version: 5.12.0.{build}
 environment:
   matrix:
-  - CMAKE_GENERATOR: Visual Studio 14 2015
-  - CMAKE_GENERATOR: Visual Studio 12 2013
+  - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+    CMAKE_GENERATOR: Visual Studio 15 2017
+  - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+    CMAKE_GENERATOR: Visual Studio 14 2015
+  - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
+    CMAKE_GENERATOR: Visual Studio 12 2013
   - CMAKE_GENERATOR: Visual Studio 11 2012
   - CMAKE_GENERATOR: Visual Studio 10 2010
-#  - CMAKE_GENERATOR: MinGW Makefiles
-# Note: Disabled because of unexplicated error -1073741511
-# This used to work fine with GCC 4.8.2 then failed after they upgraded to GCC 4.9.3
+  - CMAKE_GENERATOR: MinGW Makefiles
 configuration: Debug
 before_build:
 - set PATH=C:\MinGW\bin;%PATH:C:\Program Files\Git\usr\bin;=% # Workaround for CMake not wanting sh.exe on PATH for MinGW
@@ -15,4 +17,4 @@ before_build:
 build_script:
 - cmake --build . --config %CONFIGURATION%
 test_script:
-- ctest -V .
+- ctest --output-on-failure .

examples/IndentedPrintExample/IndentedPrintExample.ino

@@ -1,35 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#include <ArduinoJson.h>
-
-using namespace ArduinoJson::Internals;
-
-void setup() {
-  Serial.begin(9600);
-  while (!Serial) {
-    // wait serial port initialization
-  }
-
-  IndentedPrint serial(Serial);
-  serial.setTabSize(4);
-
-  serial.println("This is at indentation 0");
-  serial.indent();
-  serial.println("This is at indentation 1");
-  serial.println("This is also at indentation 1");
-  serial.indent();
-  serial.println("This is at indentation 2");
-
-  serial.unindent();
-  serial.unindent();
-  serial.println("This is back at indentation 0");
-}
-
-void loop() {
-  // not used in this example
-}

examples/JsonConfigFile/JsonConfigFile.ino

@@ -0,0 +1,144 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+//
+// This example shows how to store your project configuration in a file.
+// It uses the SD library but can be easily modified for any other file-system.
+//
+// The file contains a JSON document with the following content:
+// {
+//   "hostname": "examples.com",
+//   "port": 2731
+// }
+
+#include <ArduinoJson.h>
+#include <SD.h>
+#include <SPI.h>
+
+// Configuration that we'll store on disk
+struct Config {
+  char hostname[64];
+  int port;
+};
+
+const char *filename = "/config.txt";  // <- SD library uses 8.3 filenames
+Config config;                         // <- global configuration object
+
+// Loads the configuration from a file
+void loadConfiguration(const char *filename, Config &config) {
+  // Open file for reading
+  File file = SD.open(filename);
+
+  // Allocate the memory pool on the stack.
+  // Don't forget to change the capacity to match your JSON document.
+  // Use arduinojson.org/assistant to compute the capacity.
+  StaticJsonBuffer<512> jsonBuffer;
+
+  // Parse the root object
+  JsonObject &root = jsonBuffer.parseObject(file);
+
+  if (!root.success())
+    Serial.println(F("Failed to read file, using default configuration"));
+
+  // Copy values from the JsonObject to the Config
+  config.port = root["port"] | 2731;
+  strlcpy(config.hostname,                   // <- destination
+          root["hostname"] | "example.com",  // <- source
+          sizeof(config.hostname));          // <- destination's capacity
+
+  // Close the file (File's destructor doesn't close the file)
+  file.close();
+}
+
+// Saves the configuration to a file
+void saveConfiguration(const char *filename, const Config &config) {
+  // Delete existing file, otherwise the configuration is appended to the file
+  SD.remove(filename);
+
+  // Open file for writing
+  File file = SD.open(filename, FILE_WRITE);
+  if (!file) {
+    Serial.println(F("Failed to create file"));
+    return;
+  }
+
+  // Allocate the memory pool on the stack
+  // Don't forget to change the capacity to match your JSON document.
+  // Use https://arduinojson.org/assistant/ to compute the capacity.
+  StaticJsonBuffer<256> jsonBuffer;
+
+  // Parse the root object
+  JsonObject &root = jsonBuffer.createObject();
+
+  // Set the values
+  root["hostname"] = config.hostname;
+  root["port"] = config.port;
+
+  // Serialize JSON to file
+  if (root.printTo(file) == 0) {
+    Serial.println(F("Failed to write to file"));
+  }
+
+  // Close the file (File's destructor doesn't close the file)
+  file.close();
+}
+
+// Prints the content of a file to the Serial
+void printFile(const char *filename) {
+  // Open file for reading
+  File file = SD.open(filename);
+  if (!file) {
+    Serial.println(F("Failed to read file"));
+    return;
+  }
+
+  // Extract each characters by one by one
+  while (file.available()) {
+    Serial.print((char)file.read());
+  }
+  Serial.println();
+
+  // Close the file (File's destructor doesn't close the file)
+  file.close();
+}
+
+void setup() {
+  // Initialize serial port
+  Serial.begin(9600);
+  while (!Serial) continue;
+
+  // Initialize SD library
+  while (!SD.begin()) {
+    Serial.println(F("Failed to initialize SD library"));
+    delay(1000);
+  }
+
+  // Should load default config if run for the first time
+  Serial.println(F("Loading configuration..."));
+  loadConfiguration(filename, config);
+
+  // Create configuration file
+  Serial.println(F("Saving configuration..."));
+  saveConfiguration(filename, config);
+
+  // Dump config file
+  Serial.println(F("Print config file..."));
+  printFile(filename);
+}
+
+void loop() {
+  // not used in this example
+}
+
+// See also
+// --------
+//
+// The website arduinojson.org contains the documentation for all the functions
+// used above. It also includes an FAQ that will help you solve any
+// serialization or deserialization problem.
+// Please check it out at: https://arduinojson.org/
+//
+// The book "Mastering ArduinoJson" contains a case study of a project that has
+// a complex configuration with nested members.
+// Contrary to this example, the project in the book uses the SPIFFS filesystem.
+// Please check it out at: https://leanpub.com/arduinojson/

examples/JsonGeneratorExample/JsonGeneratorExample.ino

@@ -1,29 +1,27 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
 //
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
+// This example shows how to generate a JSON document with ArduinoJson.
 
 #include <ArduinoJson.h>
 
 void setup() {
+  // Initialize Serial port
   Serial.begin(9600);
-  while (!Serial) {
-    // wait serial port initialization
-  }
+  while (!Serial) continue;
 
   // Memory pool for JSON object tree.
   //
   // Inside the brackets, 200 is the size of the pool in bytes.
-  // If the JSON object is more complex, you need to increase that value.
+  // Don't forget to change this value to match your JSON document.
+  // Use arduinojson.org/assistant to compute the capacity.
   StaticJsonBuffer<200> jsonBuffer;
 
   // StaticJsonBuffer allocates memory on the stack, it can be
   // replaced by DynamicJsonBuffer which allocates in the heap.
-  // It's simpler but less efficient.
   //
-  // DynamicJsonBuffer  jsonBuffer;
+  // DynamicJsonBuffer  jsonBuffer(200);
 
   // Create the root of the object tree.
   //
@@ -44,8 +42,8 @@ void setup() {
   // It's also possible to create the array separately and add it to the
   // JsonObject but it's less efficient.
   JsonArray& data = root.createNestedArray("data");
-  data.add(double_with_n_digits(48.756080, 6));
-  data.add(double_with_n_digits(2.302038, 6));
+  data.add(48.756080);
+  data.add(2.302038);
 
   root.printTo(Serial);
   // This prints:
@@ -68,3 +66,16 @@ void setup() {
 void loop() {
   // not used in this example
 }
+
+// See also
+// --------
+//
+// The website arduinojson.org contains the documentation for all the functions
+// used above. It also includes an FAQ that will help you solve any
+// serialization problem.
+// Please check it out at: https://arduinojson.org/
+//
+// The book "Mastering ArduinoJson" contains a tutorial on serialization.
+// It begins with a simple example, like the one above, and then adds more
+// features like serializing directly to a file or an HTTP request.
+// Please check it out at: https://leanpub.com/arduinojson/

examples/JsonHttpClient/JsonHttpClient.ino

@@ -1,184 +1,112 @@
-// Sample Arduino Json Web Client
-// Downloads and parse http://jsonplaceholder.typicode.com/users/1
-//
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
 //
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
+// This example shows how to parse a JSON document in an HTTP response.
+// It uses the Ethernet library, but can be easily adapter for Wifi.
+//
+// It performs a GET resquest on arduinojson.org/example.json
+// Here is the expected response:
+// {
+//   "sensor": "gps",
+//   "time": 1351824120,
+//   "data": [
+//     48.756080,
+//     2.302038
+//   ]
+// }
 
 #include <ArduinoJson.h>
 #include <Ethernet.h>
 #include <SPI.h>
 
-EthernetClient client;
-
-const char* server = "jsonplaceholder.typicode.com";  // server's address
-const char* resource = "/users/1";                    // http resource
-const unsigned long BAUD_RATE = 9600;                 // serial connection speed
-const unsigned long HTTP_TIMEOUT = 10000;  // max respone time from server
-const size_t MAX_CONTENT_SIZE = 512;       // max size of the HTTP response
-
-// The type of data that we want to extract from the page
-struct UserData {
-  char name[32];
-  char company[32];
-};
-
-// ARDUINO entry point #1: runs once when you press reset or power the board
 void setup() {
-  initSerial();
-  initEthernet();
-}
+  // Initialize Serial port
+  Serial.begin(9600);
+  while (!Serial) continue;
 
-// ARDUINO entry point #2: runs over and over again forever
-void loop() {
-  if (connect(server)) {
-    if (sendRequest(server, resource) && skipResponseHeaders()) {
-      UserData userData;
-      if (readReponseContent(&userData)) {
-        printUserData(&userData);
-      }
-    }
-  }
-  disconnect();
-  wait();
-}
-
-// Initialize Serial port
-void initSerial() {
-  Serial.begin(BAUD_RATE);
-  while (!Serial) {
-    ;  // wait for serial port to initialize
-  }
-  Serial.println("Serial ready");
-}
-
-// Initialize Ethernet library
-void initEthernet() {
+  // Initialize Ethernet library
   byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
   if (!Ethernet.begin(mac)) {
-    Serial.println("Failed to configure Ethernet");
+    Serial.println(F("Failed to configure Ethernet"));
     return;
   }
-  Serial.println("Ethernet ready");
   delay(1000);
-}
 
-// Open connection to the HTTP server
-bool connect(const char* hostName) {
-  Serial.print("Connect to ");
-  Serial.println(hostName);
+  Serial.println(F("Connecting..."));
 
-  bool ok = client.connect(hostName, 80);
+  // Connect to HTTP server
+  EthernetClient client;
+  client.setTimeout(10000);
+  if (!client.connect("arduinojson.org", 80)) {
+    Serial.println(F("Connection failed"));
+    return;
+  }
 
-  Serial.println(ok ? "Connected" : "Connection Failed!");
-  return ok;
-}
+  Serial.println(F("Connected!"));
 
-// Send the HTTP GET request to the server
-bool sendRequest(const char* host, const char* resource) {
-  Serial.print("GET ");
-  Serial.println(resource);
+  // Send HTTP request
+  client.println(F("GET /example.json HTTP/1.0"));
+  client.println(F("Host: arduinojson.org"));
+  client.println(F("Connection: close"));
+  if (client.println() == 0) {
+    Serial.println(F("Failed to send request"));
+    return;
+  }
 
-  client.print("GET ");
-  client.print(resource);
-  client.println(" HTTP/1.0");
-  client.print("Host: ");
-  client.println(host);
-  client.println("Connection: close");
-  client.println();
+  // Check HTTP status
+  char status[32] = {0};
+  client.readBytesUntil('\r', status, sizeof(status));
+  if (strcmp(status, "HTTP/1.1 200 OK") != 0) {
+    Serial.print(F("Unexpected response: "));
+    Serial.println(status);
+    return;
+  }
 
-  return true;
-}
-
-// Skip HTTP headers so that we are at the beginning of the response's body
-bool skipResponseHeaders() {
-  // HTTP headers end with an empty line
+  // Skip HTTP headers
   char endOfHeaders[] = "\r\n\r\n";
-
-  client.setTimeout(HTTP_TIMEOUT);
-  bool ok = client.find(endOfHeaders);
-
-  if (!ok) {
-    Serial.println("No response or invalid response!");
+  if (!client.find(endOfHeaders)) {
+    Serial.println(F("Invalid response"));
+    return;
   }
 
-  return ok;
-}
-
-// Parse the JSON from the input string and extract the interesting values
-// Here is the JSON we need to parse
-// {
-//   "id": 1,
-//   "name": "Leanne Graham",
-//   "username": "Bret",
-//   "email": "Sincere@april.biz",
-//   "address": {
-//     "street": "Kulas Light",
-//     "suite": "Apt. 556",
-//     "city": "Gwenborough",
-//     "zipcode": "92998-3874",
-//     "geo": {
-//       "lat": "-37.3159",
-//       "lng": "81.1496"
-//     }
-//   },
-//   "phone": "1-770-736-8031 x56442",
-//   "website": "hildegard.org",
-//   "company": {
-//     "name": "Romaguera-Crona",
-//     "catchPhrase": "Multi-layered client-server neural-net",
-//     "bs": "harness real-time e-markets"
-//   }
-// }
-bool readReponseContent(struct UserData* userData) {
-  // Compute optimal size of the JSON buffer according to what we need to parse.
-  // This is only required if you use StaticJsonBuffer.
-  const size_t BUFFER_SIZE =
-      JSON_OBJECT_SIZE(8)    // the root object has 8 elements
-      + JSON_OBJECT_SIZE(5)  // the "address" object has 5 elements
-      + JSON_OBJECT_SIZE(2)  // the "geo" object has 2 elements
-      + JSON_OBJECT_SIZE(3)  // the "company" object has 3 elements
-      + MAX_CONTENT_SIZE;    // additional space for strings
-
-  // Allocate a temporary memory pool
-  DynamicJsonBuffer jsonBuffer(BUFFER_SIZE);
+  // Allocate JsonBuffer
+  // Use arduinojson.org/assistant to compute the capacity.
+  const size_t capacity = JSON_OBJECT_SIZE(3) + JSON_ARRAY_SIZE(2) + 60;
+  DynamicJsonBuffer jsonBuffer(capacity);
 
+  // Parse JSON object
   JsonObject& root = jsonBuffer.parseObject(client);
-
   if (!root.success()) {
-    Serial.println("JSON parsing failed!");
-    return false;
+    Serial.println(F("Parsing failed!"));
+    return;
   }
 
-  // Here were copy the strings we're interested in
-  strcpy(userData->name, root["name"]);
-  strcpy(userData->company, root["company"]["name"]);
-  // It's not mandatory to make a copy, you could just use the pointers
-  // Since, they are pointing inside the "content" buffer, so you need to make
-  // sure it's still in memory when you read the string
+  // Extract values
+  Serial.println(F("Response:"));
+  Serial.println(root["sensor"].as<char*>());
+  Serial.println(root["time"].as<char*>());
+  Serial.println(root["data"][0].as<char*>());
+  Serial.println(root["data"][1].as<char*>());
 
-  return true;
-}
-
-// Print the data extracted from the JSON
-void printUserData(const struct UserData* userData) {
-  Serial.print("Name = ");
-  Serial.println(userData->name);
-  Serial.print("Company = ");
-  Serial.println(userData->company);
-}
-
-// Close the connection with the HTTP server
-void disconnect() {
-  Serial.println("Disconnect");
+  // Disconnect
   client.stop();
 }
 
-// Pause for a 1 minute
-void wait() {
-  Serial.println("Wait 60 seconds");
-  delay(60000);
+void loop() {
+  // not used in this example
 }
+
+// See also
+// --------
+//
+// The website arduinojson.org contains the documentation for all the functions
+// used above. It also includes an FAQ that will help you solve any
+// serialization  problem.
+// Please check it out at: https://arduinojson.org/
+//
+// The book "Mastering ArduinoJson" contains a tutorial on deserialization
+// showing how to parse the response from Yahoo Weather. In the last chapter,
+// it shows how to parse the huge documents from OpenWeatherMap
+// and Weather Underground.
+// Please check it out at: https://leanpub.com/arduinojson/

examples/JsonParserExample/JsonParserExample.ino

@@ -1,29 +1,27 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
 //
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
+// This example shows how to deserialize a JSON document with ArduinoJson.
 
 #include <ArduinoJson.h>
 
 void setup() {
+  // Initialize serial port
   Serial.begin(9600);
-  while (!Serial) {
-    // wait serial port initialization
-  }
+  while (!Serial) continue;
 
   // Memory pool for JSON object tree.
   //
-  // Inside the brackets, 200 is the size of the pool in bytes,
-  // If the JSON object is more complex, you need to increase that value.
+  // Inside the brackets, 200 is the size of the pool in bytes.
+  // Don't forget to change this value to match your JSON document.
+  // Use arduinojson.org/assistant to compute the capacity.
   StaticJsonBuffer<200> jsonBuffer;
 
   // StaticJsonBuffer allocates memory on the stack, it can be
   // replaced by DynamicJsonBuffer which allocates in the heap.
-  // It's simpler but less efficient.
   //
-  // DynamicJsonBuffer  jsonBuffer;
+  // DynamicJsonBuffer  jsonBuffer(200);
 
   // JSON input string.
   //
@@ -65,3 +63,16 @@ void setup() {
 void loop() {
   // not used in this example
 }
+
+// See also
+// --------
+//
+// The website arduinojson.org contains the documentation for all the functions
+// used above. It also includes an FAQ that will help you solve any
+// deserialization problem.
+// Please check it out at: https://arduinojson.org/
+//
+// The book "Mastering ArduinoJson" contains a tutorial on deserialization.
+// It begins with a simple example, like the one above, and then adds more
+// features like deserializing directly from a file or an HTTP request.
+// Please check it out at: https://leanpub.com/arduinojson/

examples/JsonServer/JsonServer.ino

@@ -1,74 +1,109 @@
-// Sample Arduino Json Web Server
-// Created by Benoit Blanchon.
-// Heavily inspired by "Web Server" from David A. Mellis and Tom Igoe
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+//
+// This example shows how to implement an HTTP server that sends JSON document
+// in the responses.
+// It uses the Ethernet library but can be easily adapter for Wifi.
+//
+// It sends the value of the analog and digital pins.
+// The JSON document looks like the following:
+// {
+//   "analog": [ 0, 1, 2, 3, 4, 5 ],
+//   "digital": [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 ]
+// }
 
-#include <SPI.h>
-#include <Ethernet.h>
 #include <ArduinoJson.h>
+#include <Ethernet.h>
+#include <SPI.h>
 
 byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
-IPAddress ip(192, 168, 0, 177);
 EthernetServer server(80);
 
-bool readRequest(EthernetClient& client) {
-  bool currentLineIsBlank = true;
-  while (client.connected()) {
-    if (client.available()) {
-      char c = client.read();
-      if (c == '\n' && currentLineIsBlank) {
-        return true;
-      } else if (c == '\n') {
-        currentLineIsBlank = true;
-      } else if (c != '\r') {
-        currentLineIsBlank = false;
-      }
-    }
+void setup() {
+  // Initialize serial port
+  Serial.begin(9600);
+  while (!Serial) continue;
+
+  // Initialize Ethernet libary
+  if (!Ethernet.begin(mac)) {
+    Serial.println(F("Failed to initialize Ethernet library"));
+    return;
   }
-  return false;
+
+  // Start to listen
+  server.begin();
+
+  Serial.println(F("Server is ready."));
+  Serial.print(F("Please connect to http://"));
+  Serial.println(Ethernet.localIP());
 }
 
-JsonObject& prepareResponse(JsonBuffer& jsonBuffer) {
+void loop() {
+  // Wait for an incomming connection
+  EthernetClient client = server.available();
+
+  // Do we have a client?
+  if (!client) return;
+
+  Serial.println(F("New client"));
+
+  // Read the request (we ignore the content in this example)
+  while (client.available()) client.read();
+
+  // Allocate JsonBuffer
+  // Use arduinojson.org/assistant to compute the capacity.
+  StaticJsonBuffer<500> jsonBuffer;
+
+  // Create the root object
   JsonObject& root = jsonBuffer.createObject();
 
+  // Create the "analog" array
   JsonArray& analogValues = root.createNestedArray("analog");
   for (int pin = 0; pin < 6; pin++) {
+    // Read the analog input
     int value = analogRead(pin);
+
+    // Add the value at the end of the array
     analogValues.add(value);
   }
 
+  // Create the "digital" array
   JsonArray& digitalValues = root.createNestedArray("digital");
   for (int pin = 0; pin < 14; pin++) {
+    // Read the digital input
     int value = digitalRead(pin);
+
+    // Add the value at the end of the array
     digitalValues.add(value);
   }
 
-  return root;
-}
+  Serial.print(F("Sending: "));
+  root.printTo(Serial);
+  Serial.println();
 
-void writeResponse(EthernetClient& client, JsonObject& json) {
-  client.println("HTTP/1.1 200 OK");
+  // Write response headers
+  client.println("HTTP/1.0 200 OK");
   client.println("Content-Type: application/json");
   client.println("Connection: close");
   client.println();
 
-  json.prettyPrintTo(client);
+  // Write JSON document
+  root.prettyPrintTo(client);
+
+  // Disconnect
+  client.stop();
 }
 
-void setup() {
-  Ethernet.begin(mac, ip);
-  server.begin();
-}
-
-void loop() {
-  EthernetClient client = server.available();
-  if (client) {
-    bool success = readRequest(client);
-    if (success) {
-      StaticJsonBuffer<500> jsonBuffer;
-      JsonObject& json = prepareResponse(jsonBuffer);
-      writeResponse(client, json);
-    }
-    delay(1);
-    client.stop();
-  }
-}
+// See also
+// --------
+//
+// The website arduinojson.org contains the documentation for all the functions
+// used above. It also includes an FAQ that will help you solve any
+// serialization problem.
+// Please check it out at: https://arduinojson.org/
+//
+// The book "Mastering ArduinoJson" contains a tutorial on serialization.
+// It begins with a simple example, then adds more features like serializing
+// directly to a file or an HTTP client.
+// Please check it out at: https://leanpub.com/arduinojson/

examples/JsonUdpBeacon/JsonUdpBeacon.ino

@@ -1,55 +1,101 @@
-// Send a JSON object on UDP at regular interval
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
 //
-// You can easily test this program with netcat:
-// $ nc -ulp 8888
+// This example shows how to JSON document to a UDP socket.
+// At regular interval, it sends a UDP packet that contains the status of
+// analog and digital pins.
+// The JSON document looks like the following:
+// {
+//   "analog": [ 0, 1, 2, 3, 4, 5 ],
+//   "digital": [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 ]
+// }
 //
-// by Benoit Blanchon, MIT License 2015-2017
+// If you want to test this program, you need to be able to receive the UDP
+// packets.
+// For example, you can run netcat on your computer
+// $ ncat -ulp 8888
+// See https://nmap.org/ncat/
 
 #include <ArduinoJson.h>
 #include <Ethernet.h>
 #include <SPI.h>
 
 byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
-IPAddress localIp(192, 168, 0, 177);
-IPAddress remoteIp(192, 168, 0, 109);
-unsigned int remotePort = 8888;
-unsigned localPort = 8888;
+IPAddress remoteIp(192, 168, 0, 108);  // <- EDIT!!!!
+unsigned short remotePort = 8888;
+unsigned short localPort = 8888;
 EthernetUDP udp;
 
-JsonObject& buildJson(JsonBuffer& jsonBuffer) {
-  JsonObject& root = jsonBuffer.createObject();
-
-  JsonArray& analogValues = root.createNestedArray("analog");
-  for (int pin = 0; pin < 6; pin++) {
-    int value = analogRead(pin);
-    analogValues.add(value);
-  }
-
-  JsonArray& digitalValues = root.createNestedArray("digital");
-  for (int pin = 0; pin < 14; pin++) {
-    int value = digitalRead(pin);
-    digitalValues.add(value);
-  }
-
-  return root;
-}
-
-void sendJson(JsonObject& json) {
-  udp.beginPacket(remoteIp, remotePort);
-  json.printTo(udp);
-  udp.println();
-  udp.endPacket();
-}
-
 void setup() {
-  Ethernet.begin(mac, localIp);
+  // Initialize serial port
+  Serial.begin(9600);
+  while (!Serial) continue;
+
+  // Initialize Ethernet libary
+  if (!Ethernet.begin(mac)) {
+    Serial.println(F("Failed to initialize Ethernet library"));
+    return;
+  }
+
+  // Enable UDP
   udp.begin(localPort);
 }
 
 void loop() {
-  delay(1000);
+  // Allocate JsonBuffer
+  // Use arduinojson.org/assistant to compute the capacity.
+  StaticJsonBuffer<500> jsonBuffer;
 
-  StaticJsonBuffer<300> jsonBuffer;
-  JsonObject& json = buildJson(jsonBuffer);
-  sendJson(json);
+  // Create the root object
+  JsonObject& root = jsonBuffer.createObject();
+
+  // Create the "analog" array
+  JsonArray& analogValues = root.createNestedArray("analog");
+  for (int pin = 0; pin < 6; pin++) {
+    // Read the analog input
+    int value = analogRead(pin);
+
+    // Add the value at the end of the array
+    analogValues.add(value);
+  }
+
+  // Create the "digital" array
+  JsonArray& digitalValues = root.createNestedArray("digital");
+  for (int pin = 0; pin < 14; pin++) {
+    // Read the digital input
+    int value = digitalRead(pin);
+
+    // Add the value at the end of the array
+    digitalValues.add(value);
+  }
+
+  // Log
+  Serial.print(F("Sending to "));
+  Serial.print(remoteIp);
+  Serial.print(F(" on port "));
+  Serial.println(remotePort);
+  root.printTo(Serial);
+
+  // Send UDP packet
+  udp.beginPacket(remoteIp, remotePort);
+  root.printTo(udp);
+  udp.println();
+  udp.endPacket();
+
+  // Wait
+  delay(10000);
 }
+
+// See also
+// --------
+//
+// The website arduinojson.org contains the documentation for all the functions
+// used above. It also includes an FAQ that will help you solve any
+// serialization problem.
+// Please check it out at: https://arduinojson.org/
+//
+// The book "Mastering ArduinoJson" contains a tutorial on serialization.
+// It begins with a simple example, then adds more features like serializing
+// directly to a file or any stream.
+// Please check it out at: https://leanpub.com/arduinojson/

examples/ProgmemExample/ProgmemExample.ino

@@ -1,21 +1,19 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
 //
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
+// This example shows the different ways you can use Flash strings with
+// ArduinoJson.
+//
+// Use Flash strings sparingly, because ArduinoJson duplicates them in the
+// JsonBuffer. Prefer plain old char*, as they are more efficient in term of
+// code size, speed, and memory usage.
 
 #include <ArduinoJson.h>
 
-// About
-// -----
-// This example shows the different ways you can use PROGMEM with ArduinoJson.
-// Please don't see this as an invitation to use PROGMEM.
-// On the contrary, you should always use char[] when possible, it's much more
-// efficient in term of code size, speed and memory usage.
-
 void setup() {
-#ifdef PROGMEM
+#ifdef PROGMEM  // <- check that Flash strings are supported
+
   DynamicJsonBuffer jsonBuffer;
 
   // You can use a Flash String as your JSON input.
@@ -54,3 +52,16 @@ void setup() {
 void loop() {
   // not used in this example
 }
+
+// See also
+// --------
+//
+// The website arduinojson.org contains the documentation for all the functions
+// used above. It also includes an FAQ that will help you solve any memory
+// problem.
+// Please check it out at: https://arduinojson.org/
+//
+// The book "Mastering ArduinoJson" contains a quick C++ course that explains
+// how your microcontroller stores strings in memory. It also tells why you
+// should not abuse Flash strings with ArduinoJson.
+// Please check it out at: https://leanpub.com/arduinojson/

examples/StringExample/StringExample.ino

@@ -1,19 +1,15 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
 //
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
+// This example shows the different ways you can use String with ArduinoJson.
+//
+// Use String objects sparingly, because ArduinoJson duplicates them in the
+// JsonBuffer. Prefer plain old char[], as they are more efficient in term of
+// code size, speed, and memory usage.
 
 #include <ArduinoJson.h>
 
-// About
-// -----
-// This example shows the different ways you can use String with ArduinoJson.
-// Please don't see this as an invitation to use String.
-// On the contrary, you should always use char[] when possible, it's much more
-// efficient in term of code size, speed and memory usage.
-
 void setup() {
   DynamicJsonBuffer jsonBuffer;
 
@@ -61,3 +57,15 @@ void setup() {
 void loop() {
   // not used in this example
 }
+
+// See also
+// --------
+//
+// The website arduinojson.org contains the documentation for all the functions
+// used above. It also includes an FAQ that will help you solve any problem.
+// Please check it out at: https://arduinojson.org/
+//
+// The book "Mastering ArduinoJson" contains a quick C++ course that explains
+// how your microcontroller stores strings in memory. On several occasions, it
+// shows how you can avoid String in your program.
+// Please check it out at: https://leanpub.com/arduinojson/

fuzzing/Makefile

@@ -1,13 +1,13 @@
 # CAUTION: this file is invoked by https://github.com/google/oss-fuzz
 
-CXXFLAGS += -I../include
+CXXFLAGS += -I../src
 
 all: \
 	$(OUT)/json_fuzzer \
 	$(OUT)/json_fuzzer_seed_corpus.zip \
 	$(OUT)/json_fuzzer.options
 
-$(OUT)/json_fuzzer: fuzzer.cpp
+$(OUT)/json_fuzzer: fuzzer.cpp $(shell find ../src -type f)
 	$(CXX) $(CXXFLAGS) $< -o$@ $(LIB_FUZZING_ENGINE)
 
 $(OUT)/json_fuzzer_seed_corpus.zip: seed_corpus/*

fuzzing/fuzz.sh

@@ -1,8 +1,9 @@
 #!/bin/bash
 # This script mimics an invocation from https://github.com/google/oss-fuzz
 
+cd $(dirname $0)
 export CXX='clang++'
 export CXXFLAGS='-fsanitize-coverage=trace-pc-guard -fsanitize=address'
 export LIB_FUZZING_ENGINE=-lFuzzer
 make OUT=.
-./json_fuzzer my_corpus seed_corpus
+./json_fuzzer my_corpus seed_corpus -max_len=1024 -timeout=10

fuzzing/fuzzer.cpp

@@ -18,6 +18,9 @@ class memstream : public std::istream {
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   DynamicJsonBuffer jsonBuffer;
   memstream json(data, size);
-  jsonBuffer.parse(json);
+  JsonVariant variant = jsonBuffer.parse(json);
+  if (variant.success()) {
+    variant.as<std::string>();  // <- serialize to JSON
+  }
   return 0;
 }

fuzzing/seed_corpus/ArduinoJson.json

@@ -1,8 +0,0 @@
-{
-  "sensor": "gps",
-  "time": 1351824120,
-  "data": [
-    48.75608,
-    2.302038
-  ]
-}

fuzzing/seed_corpus/Comments.json

@@ -0,0 +1,10 @@
+//comment
+/*comment*/
+[ //comment
+/*comment*/"comment"/*comment*/,//comment
+/*comment*/{//comment
+/* comment*/"key"//comment
+: //comment
+"value"//comment
+}/*comment*/
+]//comment

fuzzing/seed_corpus/EmptyArray.json

@@ -0,0 +1 @@
+[]

fuzzing/seed_corpus/EmptyObject.json

@@ -0,0 +1 @@
+{}

fuzzing/seed_corpus/ExcessiveNesting.json

@@ -0,0 +1 @@
+[1,[2,[3,[4,[5,[6,[7,[8,[9,[10,[11,[12,[13,[14,[15,[16,[17,[18,[19,[20,[21,[22,[23,[24,[25,[26,[27,[28,[29,[30,[31,[32,[33,[34,[35,[36,[37,[38,[39,[40,[41,[42,[43,[44,[45,[46,[47,[48,[49,[50,[51,[52,[53,[54,[55,[56,[57,[58,[59,[60,[61,[62,[63,[64,[65,[66,[67,[68,[69,[70,[71,[72,[73,[74,[75,[76,[77,[78,[79,[80,[81,[82,[83,[84,[85,[86,[87,[88,[89,[90,[91,[92,[93,[94,[95,[96,[97,[98,[99,[100,[101,[102,[103,[104,[105,[106,[107,[108,[109,[110,[111,[112,[113,[114,[115,[116,[117,[118,[119,[120]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

fuzzing/seed_corpus/Numbers.json

@@ -0,0 +1,24 @@
+[
+  123,
+  -123,
+  123.456,
+  -123.456,
+  12e34,
+  12e-34,
+  12e+34,
+  12E34,
+  12E-34,
+  12E+34,
+  12.34e56,
+  12.34e-56,
+  12.34e+56,
+  12.34E56,
+  12.34E-56,
+  12.34E+56,
+  NaN,
+  -NaN,
+  +NaN,
+  Infinity,
+  +Infinity,
+  -Infinity
+]

fuzzing/seed_corpus/Strings.json

@@ -0,0 +1,8 @@
+[
+  "hello",
+  'hello',
+  hello,
+  {"hello":"world"},
+  {'hello':'world'},
+  {hello:world}
+]

include/ArduinoJson.h

@@ -1,9 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#include "ArduinoJson.hpp"
-using namespace ArduinoJson;

include/ArduinoJson/Data/JsonVariantComparer.hpp

@@ -1,69 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#pragma once
-
-#include "../JsonVariantBase.hpp"
-#include "../StringTraits/StringTraits.hpp"
-#include "../TypeTraits/EnableIf.hpp"
-
-namespace ArduinoJson {
-namespace Internals {
-template <typename TComparand, typename Enable = void>
-struct JsonVariantComparer {};
-
-template <typename TString>
-struct JsonVariantComparer<
-    TString,
-    typename TypeTraits::EnableIf<TypeTraits::IsString<TString>::value>::type> {
-  template <typename TVariant>
-  static bool equals(const JsonVariantBase<TVariant> &variant,
-                     const TString &comparand) {
-    const char *value = variant.template as<const char *>();
-    return Internals::StringTraits<TString>::equals(comparand, value);
-  }
-};
-
-template <typename TComparand>
-struct JsonVariantComparer<
-    TComparand, typename TypeTraits::EnableIf<
-                    !TypeTraits::IsVariant<TComparand>::value &&
-                    !TypeTraits::IsString<TComparand>::value>::type> {
-  template <typename TVariant>
-  static bool equals(const JsonVariantBase<TVariant> &variant,
-                     const TComparand &comparand) {
-    return variant.template as<TComparand>() == comparand;
-  }
-};
-
-template <typename TVariant2>
-struct JsonVariantComparer<TVariant2,
-                           typename TypeTraits::EnableIf<
-                               TypeTraits::IsVariant<TVariant2>::value>::type> {
-  template <typename TVariant1>
-  static bool equals(const JsonVariantBase<TVariant1> &left,
-                     const TVariant2 &right) {
-    if (left.template is<bool>() && right.template is<bool>())
-      return left.template as<bool>() == right.template as<bool>();
-    if (left.template is<JsonInteger>() && right.template is<JsonInteger>())
-      return left.template as<JsonInteger>() ==
-             right.template as<JsonInteger>();
-    if (left.template is<JsonFloat>() && right.template is<JsonFloat>())
-      return left.template as<JsonFloat>() == right.template as<JsonFloat>();
-    if (left.template is<JsonArray>() && right.template is<JsonArray>())
-      return left.template as<JsonArray>() == right.template as<JsonArray>();
-    if (left.template is<JsonObject>() && right.template is<JsonObject>())
-      return left.template as<JsonObject>() == right.template as<JsonObject>();
-    if (left.template is<char *>() && right.template is<char *>())
-      return strcmp(left.template as<char *>(), right.template as<char *>()) ==
-             0;
-
-    return false;
-  }
-};
-}
-}

include/ArduinoJson/Data/Parse.hpp

@@ -1,66 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#pragma once
-
-#include <stdlib.h>
-
-namespace ArduinoJson {
-namespace Internals {
-template <typename TFloat>
-TFloat parse(const char *);
-
-template <>
-inline float parse<float>(const char *s) {
-  return static_cast<float>(strtod(s, NULL));
-}
-
-template <>
-inline double parse<double>(const char *s) {
-  return strtod(s, NULL);
-}
-
-template <>
-inline long parse<long>(const char *s) {
-  return strtol(s, NULL, 10);
-}
-
-template <>
-inline unsigned long parse<unsigned long>(const char *s) {
-  return strtoul(s, NULL, 10);
-}
-
-template <>
-inline int parse<int>(const char *s) {
-  return atoi(s);
-}
-
-#if ARDUINOJSON_USE_LONG_LONG
-template <>
-inline long long parse<long long>(const char *s) {
-  return strtoll(s, NULL, 10);
-}
-
-template <>
-inline unsigned long long parse<unsigned long long>(const char *s) {
-  return strtoull(s, NULL, 10);
-}
-#endif
-
-#if ARDUINOJSON_USE_INT64
-template <>
-inline __int64 parse<__int64>(const char *s) {
-  return _strtoi64(s, NULL, 10);
-}
-
-template <>
-inline unsigned __int64 parse<unsigned __int64>(const char *s) {
-  return _strtoui64(s, NULL, 10);
-}
-#endif
-}
-}

include/ArduinoJson/Data/ValueSetter.hpp

@@ -1,53 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#pragma once
-
-#include "../JsonBuffer.hpp"
-#include "../JsonVariant.hpp"
-#include "../StringTraits/StringTraits.hpp"
-#include "../TypeTraits/EnableIf.hpp"
-
-namespace ArduinoJson {
-namespace Internals {
-
-template <typename TSource, typename Enable = void>
-struct ValueSetter {
-  template <typename TDestination>
-  static bool set(JsonBuffer*, TDestination& destination,
-                  const TSource& source) {
-    destination = source;
-    return true;
-  }
-};
-
-template <typename TSource>
-struct ValueSetter<TSource, typename TypeTraits::EnableIf<StringTraits<
-                                TSource>::should_duplicate>::type> {
-  template <typename TDestination>
-  static bool set(JsonBuffer* buffer, TDestination& destination,
-                  const TSource& source) {
-    const char* copy = buffer->strdup(source);
-    if (!copy) return false;
-    destination = copy;
-    return true;
-  }
-};
-
-template <typename TSource>
-struct ValueSetter<TSource, typename TypeTraits::EnableIf<!StringTraits<
-                                TSource>::should_duplicate>::type> {
-  template <typename TDestination>
-  static bool set(JsonBuffer*, TDestination& destination,
-                  const TSource& source) {
-    // unsigned char* -> char*
-    destination = reinterpret_cast<const char*>(source);
-    return true;
-  }
-};
-}
-}

include/ArduinoJson/JsonVariantComparisons.hpp

@@ -1,88 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#pragma once
-
-#include "Data/JsonVariantComparer.hpp"
-
-namespace ArduinoJson {
-template <typename TVariant, typename TComparand>
-inline bool operator==(const JsonVariantBase<TVariant> &variant,
-                       TComparand comparand) {
-  return Internals::JsonVariantComparer<TComparand>::equals(variant, comparand);
-}
-
-template <typename TVariant, typename TComparand>
-inline typename TypeTraits::EnableIf<!TypeTraits::IsVariant<TComparand>::value,
-                                     bool>::type
-operator==(TComparand comparand, const JsonVariantBase<TVariant> &variant) {
-  return Internals::JsonVariantComparer<TComparand>::equals(variant, comparand);
-}
-
-template <typename TVariant, typename TComparand>
-inline bool operator!=(const JsonVariantBase<TVariant> &variant,
-                       TComparand comparand) {
-  return !Internals::JsonVariantComparer<TComparand>::equals(variant,
-                                                             comparand);
-}
-
-template <typename TVariant, typename TComparand>
-inline typename TypeTraits::EnableIf<!TypeTraits::IsVariant<TComparand>::value,
-                                     bool>::type
-operator!=(TComparand comparand, const JsonVariantBase<TVariant> &variant) {
-  return !Internals::JsonVariantComparer<TComparand>::equals(variant,
-                                                             comparand);
-}
-
-template <typename TVariant, typename TComparand>
-inline bool operator<=(const JsonVariantBase<TVariant> &left,
-                       TComparand right) {
-  return left.template as<TComparand>() <= right;
-}
-
-template <typename TVariant, typename TComparand>
-inline bool operator<=(TComparand comparand,
-                       const JsonVariantBase<TVariant> &variant) {
-  return comparand <= variant.template as<TComparand>();
-}
-
-template <typename TVariant, typename TComparand>
-inline bool operator>=(const JsonVariantBase<TVariant> &variant,
-                       TComparand comparand) {
-  return variant.template as<TComparand>() >= comparand;
-}
-
-template <typename TVariant, typename TComparand>
-inline bool operator>=(TComparand comparand,
-                       const JsonVariantBase<TVariant> &variant) {
-  return comparand >= variant.template as<TComparand>();
-}
-
-template <typename TVariant, typename TComparand>
-inline bool operator<(const JsonVariantBase<TVariant> &varian,
-                      TComparand comparand) {
-  return varian.template as<TComparand>() < comparand;
-}
-
-template <typename TVariant, typename TComparand>
-inline bool operator<(TComparand comparand,
-                      const JsonVariantBase<TVariant> &variant) {
-  return comparand < variant.template as<TComparand>();
-}
-
-template <typename TVariant, typename TComparand>
-inline bool operator>(const JsonVariantBase<TVariant> &variant,
-                      TComparand comparand) {
-  return variant.template as<TComparand>() > comparand;
-}
-
-template <typename TVariant, typename TComparand>
-inline bool operator>(TComparand comparand,
-                      const JsonVariantBase<TVariant> &variant) {
-  return comparand > variant.template as<TComparand>();
-}
-}

include/ArduinoJson/Polyfills/math.hpp

@@ -1,111 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#pragma once
-
-// If Visual Studo <= 2012
-#if defined(_MSC_VER) && _MSC_VER <= 1700
-
-#include <float.h>
-
-namespace ArduinoJson {
-namespace Polyfills {
-template <typename T>
-bool isNaN(T x) {
-  return _isnan(x) != 0;
-}
-
-template <typename T>
-bool isInfinity(T x) {
-  return !_finite(x);
-}
-}
-}
-
-#else
-
-#include <math.h>
-
-// GCC warning: "conversion to 'float' from 'double' may alter its value"
-#ifdef __GNUC__
-#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
-#pragma GCC diagnostic push
-#endif
-#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
-#pragma GCC diagnostic ignored "-Wfloat-conversion"
-#else
-#pragma GCC diagnostic ignored "-Wconversion"
-#endif
-#endif
-
-// Workaround for libs that #undef isnan or isinf
-// https://github.com/bblanchon/ArduinoJson/issues/284
-#if !defined(isnan) || !defined(isinf)
-namespace std {}
-#endif
-
-namespace ArduinoJson {
-namespace Polyfills {
-
-template <typename T>
-bool isNaN(T x) {
-// Workaround for libs that #undef isnan
-// https://github.com/bblanchon/ArduinoJson/issues/284
-#ifndef isnan
-  using namespace std;
-#endif
-
-  return isnan(x);
-}
-
-#if defined(_GLIBCXX_HAVE_ISNANL) && _GLIBCXX_HAVE_ISNANL
-template <>
-inline bool isNaN<double>(double x) {
-  return isnanl(x);
-}
-#endif
-
-#if defined(_GLIBCXX_HAVE_ISNANF) && _GLIBCXX_HAVE_ISNANF
-template <>
-inline bool isNaN<float>(float x) {
-  return isnanf(x);
-}
-#endif
-
-template <typename T>
-bool isInfinity(T x) {
-// Workaround for libs that #undef isinf
-// https://github.com/bblanchon/ArduinoJson/issues/284
-#ifndef isinf
-  using namespace std;
-#endif
-
-  return isinf(x);
-}
-
-#if defined(_GLIBCXX_HAVE_ISINFL) && _GLIBCXX_HAVE_ISINFL
-template <>
-inline bool isInfinity<double>(double x) {
-  return isinfl(x);
-}
-#endif
-
-#if defined(_GLIBCXX_HAVE_ISINFF) && _GLIBCXX_HAVE_ISINFF
-template <>
-inline bool isInfinity<float>(float x) {
-  return isinff(x);
-}
-#endif
-
-#if defined(__GNUC__)
-#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
-#pragma GCC diagnostic pop
-#endif
-#endif
-}
-}
-#endif

include/ArduinoJson/Polyfills/normalize.hpp

@@ -1,47 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#pragma once
-
-namespace ArduinoJson {
-namespace Polyfills {
-
-#ifdef ARDUINO
-
-// on embedded platform, favor code size over speed
-
-template <typename T>
-short normalize(T& value) {
-  short powersOf10 = 0;
-  while (value && value < 1) {
-    powersOf10--;
-    value *= 10;
-  }
-  while (value > 10) {
-    powersOf10++;
-    value /= 10;
-  }
-  return powersOf10;
-}
-
-#else
-
-// on non-embedded platform, favor speed over code size
-
-template <typename T>
-short normalize(T& value) {
-  if (value == 0.0) return 0;
-
-  short powersOf10 = static_cast<short>(floor(log10(value)));
-  value /= pow(T(10), powersOf10);
-
-  return powersOf10;
-}
-
-#endif
-}
-}

include/ArduinoJson/Print.hpp

@@ -1,44 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#pragma once
-
-#ifndef ARDUINO
-
-#include <stddef.h>
-#include <stdint.h>
-
-namespace ArduinoJson {
-// This class reproduces Arduino's Print class
-class Print {
- public:
-  virtual ~Print() {}
-
-  virtual size_t write(uint8_t) = 0;
-
-  size_t print(const char* s) {
-    size_t n = 0;
-    while (*s) {
-      n += write(static_cast<uint8_t>(*s++));
-    }
-    return n;
-  }
-
-  size_t println() {
-    size_t n = 0;
-    n += write('\r');
-    n += write('\n');
-    return n;
-  }
-};
-}
-
-#else
-
-#include <Print.h>
-
-#endif

include/ArduinoJson/Serialization/JsonSerializer.hpp

@@ -1,33 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#pragma once
-
-#include "JsonWriter.hpp"
-
-namespace ArduinoJson {
-
-class JsonArray;
-class JsonArraySubscript;
-class JsonObject;
-template <typename TKey>
-class JsonObjectSubscript;
-class JsonVariant;
-
-namespace Internals {
-
-class JsonSerializer {
- public:
-  static void serialize(const JsonArray &, JsonWriter &);
-  static void serialize(const JsonArraySubscript &, JsonWriter &);
-  static void serialize(const JsonObject &, JsonWriter &);
-  template <typename TKey>
-  static void serialize(const JsonObjectSubscript<TKey> &, JsonWriter &);
-  static void serialize(const JsonVariant &, JsonWriter &);
-};
-}
-}

include/ArduinoJson/Serialization/StaticStringBuilder.hpp

@@ -1,37 +0,0 @@
-// Copyright Benoit Blanchon 2014-2017
-// MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
-
-#pragma once
-
-#include "../Print.hpp"
-
-namespace ArduinoJson {
-namespace Internals {
-
-// A Print implementation that allows to write in a char[]
-class StaticStringBuilder : public Print {
- public:
-  StaticStringBuilder(char *buf, size_t size)
-      : buffer(buf), capacity(size - 1), length(0) {
-    buffer[0] = '\0';
-  }
-
-  virtual size_t write(uint8_t c) {
-    if (length >= capacity) return 0;
-
-    buffer[length++] = c;
-    buffer[length] = '\0';
-    return 1;
-  }
-
- private:
-  char *buffer;
-  size_t capacity;
-  size_t length;
-};
-}
-}

library.json

@@ -6,14 +6,14 @@
     "type": "git",
     "url": "https://github.com/bblanchon/ArduinoJson.git"
   },
-  "version": "5.8.3",
+  "version": "5.12.0",
   "authors": {
     "name": "Benoit Blanchon",
     "url": "https://blog.benoitblanchon.fr"
   },
   "exclude": [
+    "fuzzing",
     "scripts",
-    "src/ArduinoJson.h",
     "test",
     "third-party"
   ],

library.properties

@@ -1,9 +1,9 @@
 name=ArduinoJson
-version=5.8.3
+version=5.12.0
 author=Benoit Blanchon <blog.benoitblanchon.fr>
 maintainer=Benoit Blanchon <blog.benoitblanchon.fr>
 sentence=An efficient and elegant JSON library for Arduino.
-paragraph=Like this project? Please star it on GitHub!
+paragraph=ArduinoJson supports ✔ serialization, ✔ deserialization, ✔ fixed allocation, ✔ zero-copy, ✔ streams, and more. It is the most popular Arduino library on GitHub ❤❤❤❤❤. Check out arduinojson.org for a comprehensive documentation.
 category=Data Processing
-url=https://github.com/bblanchon/ArduinoJson
+url=https://arduinojson.org/
 architectures=*

scripts/build-arduino-package.sh

@@ -12,7 +12,7 @@ rm -f $OUTPUT
 7z a $OUTPUT \
 	ArduinoJson/CHANGELOG.md \
 	ArduinoJson/examples \
-	ArduinoJson/include \
+	ArduinoJson/src \
 	ArduinoJson/keywords.txt \
 	ArduinoJson/library.properties \
 	ArduinoJson/LICENSE.md \

scripts/build-single-header.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+TAG=$(git describe)
+RE_INCLUDE='^#include[[:space:]]*["<](.*)[">]'
+RE_EMPTY='^(#pragma[[:space:]]+once)?[[:space:]]*(//.*)?$'
+
+declare -A INCLUDED
+
+process()
+{
+	local PARENT=$1
+	local FOLDER=$(dirname $1)
+	local SHOW_COMMENT=$2
+	while IFS= read -r LINE; do
+		if [[ $LINE =~ $RE_INCLUDE ]]; then
+			local CHILD=${BASH_REMATCH[1]}
+			pushd "$FOLDER" > /dev/null
+			if [[ -e $CHILD ]]; then
+				local CHILD_PATH=$(realpath $CHILD)
+				if [[ ! ${INCLUDED[$CHILD_PATH]} ]]; then
+					#echo "// $PARENT -> $CHILD"
+					INCLUDED[$CHILD_PATH]=true
+					process "$CHILD" false
+				fi
+			else
+				if [[ ! ${INCLUDED[$CHILD]} ]]; then
+					echo "$LINE"
+					INCLUDED[$CHILD]=true
+				fi
+			fi
+			popd > /dev/null
+		elif [[ "${SHOW_COMMENT}" = "true" ]] ; then
+			echo "$LINE"
+		elif [[ ! $LINE =~ $RE_EMPTY ]]; then
+			echo "$LINE"
+		fi
+	done < $PARENT
+}
+
+cd $(dirname $0)/../
+INCLUDED=()
+process src/ArduinoJson.h true > ../ArduinoJson-$TAG.h
+g++ -x c++ -c -o ../smoketest.o - <<END
+#include "../ArduinoJson-$TAG.h"
+int main() {}
+END
+
+INCLUDED=()
+process src/ArduinoJson.hpp true > ../ArduinoJson-$TAG.hpp
+g++ -x c++ -c -o ../smoketest.o - <<END
+#include "../ArduinoJson-$TAG.hpp"
+int main() {}
+END

scripts/cpplint.sh

@@ -1,5 +0,0 @@
-CPPLINT="python third-party/cpplint/cpplint.py"
-FLAGS="--filter=-runtime/printf,-runtime/int,-readability/todo,-build/namespace,-runtime/references,-readability/streams"
-
-cd ..
-$CPPLINT $FLAGS $(find include src test -regex ".*\.[hc]pp$")

scripts/format-code.sh

@@ -1,7 +0,0 @@
-cd ..
-FILES=$(find include src test -regex ".*\.[ch]pp$")
-
-clang-format -style=Google -i  $FILES
-
-# insert newline at end of file
-sed -i -e '$a\' $FILES

scripts/oss-fuzz/Vagrantfile

@@ -26,5 +26,8 @@ Vagrant.configure(2) do |config|
     echo "export PROJECT_NAME='arduinojson'" >> $HOME/.profile
     echo "export CC='clang'" >> $HOME/.profile
     echo "export CXX='clang++'" >> $HOME/.profile
+    echo "export LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu/" >> $HOME/.profile
+
+    echo "Run /host/ArduinoJson/fuzzing/fuzz.sh" | sudo tee /etc/motd
   SHELL
 end

scripts/run-tests.sh

@@ -1,44 +0,0 @@
-#!/bin/bash
-
-FILE=../bin/ArduinoJsonTests.exe
-MD5=""
-
-file_changed() {
-	[[ ! -f  "$FILE" ]] && return 1
-	NEW_MD5=$(md5sum $FILE)
-	[[ "$MD5" == "$NEW_MD5" ]] && return 1
-	MD5=$NEW_MD5
-	return 0
-}
-
-test_succeed() {
-	echo -en "\007"{,}
-}
-
-test_failed() {
-	echo -en "\007"{,,,,,,,,,,,}
-}
-
-run_tests() {
-	$FILE
-	case $? in
-	0)
-		test_succeed
-		;;
-	1)	
-		test_failed
-		;;
-	esac
-}
-
-while true
-do
-	if file_changed
-	then	
-		run_tests
-	else
-		sleep 2
-	fi
-done
-
-

scripts/travis/cmake.sh

@@ -27,4 +27,4 @@ fi
 
 $CMAKE .
 $CMAKE --build .
-$CTEST -VV .
+$CTEST --output-on-failure .

src/ArduinoJson.h

@@ -0,0 +1,17 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#ifdef __cplusplus
+
+#include "ArduinoJson.hpp"
+
+using namespace ArduinoJson;
+
+#else
+
+#error ArduinoJson requires a C++ compiler, please change file extension to .cc or .cpp
+
+#endif

src/ArduinoJson.hpp

@@ -1,16 +1,12 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
 #include "ArduinoJson/DynamicJsonBuffer.hpp"
 #include "ArduinoJson/JsonArray.hpp"
 #include "ArduinoJson/JsonObject.hpp"
-#include "ArduinoJson/JsonVariantComparisons.hpp"
 #include "ArduinoJson/StaticJsonBuffer.hpp"
 
 #include "ArduinoJson/Deserialization/JsonParserImpl.hpp"
@@ -19,5 +15,3 @@
 #include "ArduinoJson/JsonObjectImpl.hpp"
 #include "ArduinoJson/JsonVariantImpl.hpp"
 #include "ArduinoJson/Serialization/JsonSerializerImpl.hpp"
-
-using namespace ArduinoJson;

src/ArduinoJson/Configuration.hpp

@@ -1,25 +1,27 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
-// enable deprecated functions by default
-#ifndef ARDUINOJSON_ENABLE_DEPRECATED
-#define ARDUINOJSON_ENABLE_DEPRECATED 1
+// Small or big machine?
+#ifndef ARDUINOJSON_EMBEDDED_MODE
+#if defined(ARDUINO) || defined(__IAR_SYSTEMS_ICC__) || defined(__XC) || \
+    defined(__ARMCC_VERSION)
+#define ARDUINOJSON_EMBEDDED_MODE 1
+#else
+#define ARDUINOJSON_EMBEDDED_MODE 0
+#endif
 #endif
 
-#ifdef ARDUINO  // assume this is an embedded platform
+#if ARDUINOJSON_EMBEDDED_MODE
 
-// store using float instead of double to reduce the memory usage (issue #134)
+// Store floats by default to reduce the memory usage (issue #134)
 #ifndef ARDUINOJSON_USE_DOUBLE
 #define ARDUINOJSON_USE_DOUBLE 0
 #endif
 
-// store using a long because it usually match the size of a float.
+// Store longs by default, because they usually match the size of a float.
 #ifndef ARDUINOJSON_USE_LONG_LONG
 #define ARDUINOJSON_USE_LONG_LONG 0
 #endif
@@ -27,57 +29,29 @@
 #define ARDUINOJSON_USE_INT64 0
 #endif
 
-// Arduino has its own implementation of String to replace std::string
-#ifndef ARDUINOJSON_ENABLE_ARDUINO_STRING
-#define ARDUINOJSON_ENABLE_ARDUINO_STRING 1
-#endif
-
-#ifndef ARDUINOJSON_ENABLE_ARDUINO_STREAM
-#define ARDUINOJSON_ENABLE_ARDUINO_STREAM 1
-#endif
-
-// On AVR archiecture, we can use PROGMEM
-#ifndef ARDUINOJSON_ENABLE_PROGMEM
-#ifdef PROGMEM
-#define ARDUINOJSON_ENABLE_PROGMEM 1
-#else
-#define ARDUINOJSON_ENABLE_PROGMEM 0
-#endif
-#endif
-
-// Arduino doesn't have std::string
+// Embedded systems usually don't have std::string
 #ifndef ARDUINOJSON_ENABLE_STD_STRING
 #define ARDUINOJSON_ENABLE_STD_STRING 0
 #endif
 
-// Arduino doesn't support STL stream
+// Embedded systems usually don't have std::stream
 #ifndef ARDUINOJSON_ENABLE_STD_STREAM
 #define ARDUINOJSON_ENABLE_STD_STREAM 0
 #endif
 
-#ifndef ARDUINOJSON_ENABLE_ALIGNMENT
-#ifdef ARDUINO_ARCH_AVR
-// alignment isn't needed for 8-bit AVR
-#define ARDUINOJSON_ENABLE_ALIGNMENT 0
-#else
-// but must processor needs pointer to be align on word size
-#define ARDUINOJSON_ENABLE_ALIGNMENT 1
-#endif
-#endif
-
-// low value to prevent stack overflow
+// Limit nesting as the stack is likely to be small
 #ifndef ARDUINOJSON_DEFAULT_NESTING_LIMIT
 #define ARDUINOJSON_DEFAULT_NESTING_LIMIT 10
 #endif
 
-#else  // assume this is a computer
+#else  // ARDUINOJSON_EMBEDDED_MODE
 
-// on a computer we have plenty of memory so we can use doubles
+// On a computer we have plenty of memory so we can use doubles
 #ifndef ARDUINOJSON_USE_DOUBLE
 #define ARDUINOJSON_USE_DOUBLE 1
 #endif
 
-// use long long when available
+// Use long long when available
 #ifndef ARDUINOJSON_USE_LONG_LONG
 #if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1800)
 #define ARDUINOJSON_USE_LONG_LONG 1
@@ -86,7 +60,7 @@
 #endif
 #endif
 
-// use _int64 on old versions of Visual Studio
+// Use _int64 on old versions of Visual Studio
 #ifndef ARDUINOJSON_USE_INT64
 #if defined(_MSC_VER) && _MSC_VER <= 1700
 #define ARDUINOJSON_USE_INT64 1
@@ -95,41 +69,81 @@
 #endif
 #endif
 
-// on a computer, we can use std::string
+// On a computer, we can use std::string
 #ifndef ARDUINOJSON_ENABLE_STD_STRING
 #define ARDUINOJSON_ENABLE_STD_STRING 1
 #endif
 
-// on a computer, there is no reason to beleive Arduino String is available
-#ifndef ARDUINOJSON_ENABLE_ARDUINO_STRING
-#define ARDUINOJSON_ENABLE_ARDUINO_STRING 0
-#endif
-
-// PROGMEM is only available on AVR architecture
-#ifndef ARDUINOJSON_ENABLE_PROGMEM
-#define ARDUINOJSON_ENABLE_PROGMEM 0
-#endif
-
-// on a computer, we can assume that the STL is there
+// On a computer, we can assume std::stream
 #ifndef ARDUINOJSON_ENABLE_STD_STREAM
 #define ARDUINOJSON_ENABLE_STD_STREAM 1
 #endif
 
-// on a computer, there is no reason to beleive Arduino Stream is available
-#ifndef ARDUINOJSON_ENABLE_ARDUINO_STREAM
-#define ARDUINOJSON_ENABLE_ARDUINO_STREAM 0
-#endif
-
-#ifndef ARDUINOJSON_ENABLE_ALIGNMENT
-// even if not required, most cpu's are faster with aligned pointers
-#define ARDUINOJSON_ENABLE_ALIGNMENT 1
-#endif
-
-// on a computer, we should have a lot of space on the stack
+// On a computer, the stack is large so we can increase nesting limit
 #ifndef ARDUINOJSON_DEFAULT_NESTING_LIMIT
 #define ARDUINOJSON_DEFAULT_NESTING_LIMIT 50
 #endif
 
+#endif  // ARDUINOJSON_EMBEDDED_MODE
+
+#ifdef ARDUINO
+
+// Enable support for Arduino String
+#ifndef ARDUINOJSON_ENABLE_ARDUINO_STRING
+#define ARDUINOJSON_ENABLE_ARDUINO_STRING 1
+#endif
+
+// Enable support for Arduino Stream
+#ifndef ARDUINOJSON_ENABLE_ARDUINO_STREAM
+#define ARDUINOJSON_ENABLE_ARDUINO_STREAM 1
+#endif
+
+#else  // ARDUINO
+
+// Disable support for Arduino String
+#ifndef ARDUINOJSON_ENABLE_ARDUINO_STRING
+#define ARDUINOJSON_ENABLE_ARDUINO_STRING 0
+#endif
+
+// Disable support for Arduino Stream
+#ifndef ARDUINOJSON_ENABLE_ARDUINO_STREAM
+#define ARDUINOJSON_ENABLE_ARDUINO_STREAM 0
+#endif
+
+#endif  // ARDUINO
+
+#ifndef ARDUINOJSON_ENABLE_PROGMEM
+#ifdef PROGMEM
+#define ARDUINOJSON_ENABLE_PROGMEM 1
+#else
+#define ARDUINOJSON_ENABLE_PROGMEM 0
+#endif
+#endif
+
+#ifndef ARDUINOJSON_ENABLE_ALIGNMENT
+#ifdef ARDUINO_ARCH_AVR
+// alignment isn't needed for 8-bit AVR
+#define ARDUINOJSON_ENABLE_ALIGNMENT 0
+#else
+// but most processors need pointers to be align on word size
+#define ARDUINOJSON_ENABLE_ALIGNMENT 1
+#endif
+#endif
+
+// Enable deprecated functions by default
+#ifndef ARDUINOJSON_ENABLE_DEPRECATED
+#define ARDUINOJSON_ENABLE_DEPRECATED 1
+#endif
+
+// Control the exponentiation threshold for big numbers
+// CAUTION: cannot be more that 1e9 !!!!
+#ifndef ARDUINOJSON_POSITIVE_EXPONENTIATION_THRESHOLD
+#define ARDUINOJSON_POSITIVE_EXPONENTIATION_THRESHOLD 1e7
+#endif
+
+// Control the exponentiation threshold for small numbers
+#ifndef ARDUINOJSON_NEGATIVE_EXPONENTIATION_THRESHOLD
+#define ARDUINOJSON_NEGATIVE_EXPONENTIATION_THRESHOLD 1e-5
 #endif
 
 #if ARDUINOJSON_USE_LONG_LONG && ARDUINOJSON_USE_INT64

src/ArduinoJson/Data/Encoding.hpp

@@ -1,14 +1,9 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
-#include "../Print.hpp"
-
 namespace ArduinoJson {
 namespace Internals {
 

src/ArduinoJson/Data/JsonBufferAllocated.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -19,7 +16,7 @@ class JsonBufferAllocated {
     return jsonBuffer->alloc(n);
   }
 
-  void operator delete(void *, JsonBuffer *)throw() {}
+  void operator delete(void *, JsonBuffer *)throw();
 };
 }
 }

src/ArduinoJson/Data/JsonFloat.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/Data/JsonInteger.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/Data/JsonVariantAs.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/Data/JsonVariantContent.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/Data/JsonVariantDefault.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/Data/JsonVariantType.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -20,20 +17,11 @@ enum JsonVariantType {
   JSON_UNPARSED,          // JsonVariant contains an unparsed string
   JSON_STRING,            // JsonVariant stores a const char*
   JSON_BOOLEAN,           // JsonVariant stores a bool
-  JSON_POSITIVE_INTEGER,  // JsonVariant stores an unsigned long
-  JSON_NEGATIVE_INTEGER,  // JsonVariant stores an unsigned long that must be
-                          // negated
+  JSON_POSITIVE_INTEGER,  // JsonVariant stores an JsonUInt
+  JSON_NEGATIVE_INTEGER,  // JsonVariant stores an JsonUInt that must be negated
   JSON_ARRAY,             // JsonVariant stores a pointer to a JsonArray
   JSON_OBJECT,            // JsonVariant stores a pointer to a JsonObject
-
-  // The following values are reserved for float values
-  // Multiple values are used for double, depending on the number of decimal
-  // digits that must be printed in the JSON output.
-  // This little trick allow to save one extra member in JsonVariant
-  JSON_FLOAT_0_DECIMALS
-  // JSON_FLOAT_1_DECIMAL
-  // JSON_FLOAT_2_DECIMALS
-  // ...
+  JSON_FLOAT              // JsonVariant stores a JsonFloat
 };
 }
 }

src/ArduinoJson/Data/List.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -48,6 +45,20 @@ class List {
     return nodeCount;
   }
 
+  iterator add() {
+    node_type *newNode = new (_buffer) node_type();
+
+    if (_firstNode) {
+      node_type *lastNode = _firstNode;
+      while (lastNode->next) lastNode = lastNode->next;
+      lastNode->next = newNode;
+    } else {
+      _firstNode = newNode;
+    }
+
+    return iterator(newNode);
+  }
+
   iterator begin() {
     return iterator(_firstNode);
   }
@@ -62,22 +73,8 @@ class List {
     return const_iterator(NULL);
   }
 
- protected:
-  node_type *addNewNode() {
-    node_type *newNode = new (_buffer) node_type();
-
-    if (_firstNode) {
-      node_type *lastNode = _firstNode;
-      while (lastNode->next) lastNode = lastNode->next;
-      lastNode->next = newNode;
-    } else {
-      _firstNode = newNode;
-    }
-
-    return newNode;
-  }
-
-  void removeNode(node_type *nodeToRemove) {
+  void remove(iterator it) {
+    node_type *nodeToRemove = it._node;
     if (!nodeToRemove) return;
     if (nodeToRemove == _firstNode) {
       _firstNode = nodeToRemove->next;
@@ -87,7 +84,10 @@ class List {
     }
   }
 
+ protected:
   JsonBuffer *_buffer;
+
+ private:
   node_type *_firstNode;
 };
 }

src/ArduinoJson/Data/ListConstIterator.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -38,6 +35,14 @@ class ListConstIterator {
     return *this;
   }
 
+  ListConstIterator<T> &operator+=(size_t distance) {
+    while (_node && distance) {
+      _node = _node->next;
+      --distance;
+    }
+    return *this;
+  }
+
  private:
   const ListNode<T> *_node;
 };

src/ArduinoJson/Data/ListIterator.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -13,9 +10,14 @@
 namespace ArduinoJson {
 namespace Internals {
 
+template <typename T>
+class List;
+
 // A read-write forward iterator for List<T>
 template <typename T>
 class ListIterator {
+  friend class List<T>;
+
  public:
   explicit ListIterator(ListNode<T> *node = NULL) : _node(node) {}
 
@@ -39,6 +41,14 @@ class ListIterator {
     return *this;
   }
 
+  ListIterator<T> &operator+=(size_t distance) {
+    while (_node && distance) {
+      _node = _node->next;
+      --distance;
+    }
+    return *this;
+  }
+
   operator ListConstIterator<T>() const {
     return ListConstIterator<T>(_node);
   }

src/ArduinoJson/Data/ListNode.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -18,7 +15,7 @@ namespace Internals {
 // Used by List<T> and its iterators.
 template <typename T>
 struct ListNode : public Internals::JsonBufferAllocated {
-  ListNode() : next(NULL) {}
+  ListNode() throw() : next(NULL) {}
 
   ListNode<T> *next;
   T content;

src/ArduinoJson/Data/NonCopyable.hpp

@@ -0,0 +1,23 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+namespace ArduinoJson {
+namespace Internals {
+
+// A type that cannot be copied
+class NonCopyable {
+ protected:
+  NonCopyable() {}
+
+ private:
+  // copy constructor is private
+  NonCopyable(const NonCopyable&);
+
+  // copy operator is private
+  NonCopyable& operator=(const NonCopyable&);
+};
+}
+}

src/ArduinoJson/Data/ReferenceType.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -22,16 +19,6 @@ class ReferenceType {
   bool operator!=(const ReferenceType& other) const {
     return this != &other;
   }
-
- protected:
-  ReferenceType() {}
-
- private:
-  // copy constructor is private
-  ReferenceType(const ReferenceType&);
-
-  // copy operator is private
-  ReferenceType& operator=(const ReferenceType&);
 };
 }
 }

src/ArduinoJson/Data/ValueSetter.hpp

@@ -0,0 +1,48 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include "../JsonBuffer.hpp"
+#include "../JsonVariant.hpp"
+#include "../StringTraits/StringTraits.hpp"
+#include "../TypeTraits/EnableIf.hpp"
+
+namespace ArduinoJson {
+namespace Internals {
+
+template <typename TSourceRef, typename Enable = void>
+struct ValueSetter {
+  template <typename TDestination>
+  static bool set(JsonBuffer*, TDestination& destination, TSourceRef source) {
+    destination = source;
+    return true;
+  }
+};
+
+template <typename TSourceRef>
+struct ValueSetter<TSourceRef, typename TypeTraits::EnableIf<StringTraits<
+                                   TSourceRef>::should_duplicate>::type> {
+  template <typename TDestination>
+  static bool set(JsonBuffer* buffer, TDestination& destination,
+                  TSourceRef source) {
+    const char* copy = buffer->strdup(source);
+    if (!copy) return false;
+    destination = copy;
+    return true;
+  }
+};
+
+template <typename TSourceRef>
+struct ValueSetter<TSourceRef, typename TypeTraits::EnableIf<!StringTraits<
+                                   TSourceRef>::should_duplicate>::type> {
+  template <typename TDestination>
+  static bool set(JsonBuffer*, TDestination& destination, TSourceRef source) {
+    // unsigned char* -> char*
+    destination = reinterpret_cast<const char*>(source);
+    return true;
+  }
+};
+}
+}

src/ArduinoJson/Deserialization/Comments.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/Deserialization/JsonParser.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/Deserialization/JsonParserImpl.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/Deserialization/StringWriter.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -17,8 +14,8 @@ class StringWriter {
    public:
     String(TChar** ptr) : _writePtr(ptr), _startPtr(*ptr) {}
 
-    void append(TChar c) {
-      *(*_writePtr)++ = c;
+    void append(char c) {
+      *(*_writePtr)++ = TChar(c);
     }
 
     const char* c_str() const {

src/ArduinoJson/DynamicJsonBuffer.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -46,30 +43,41 @@ class DynamicJsonBufferBase
   };
 
  public:
+  enum { EmptyBlockSize = sizeof(EmptyBlock) };
+
   DynamicJsonBufferBase(size_t initialSize = 256)
       : _head(NULL), _nextBlockCapacity(initialSize) {}
 
   ~DynamicJsonBufferBase() {
-    Block* currentBlock = _head;
-
-    while (currentBlock != NULL) {
-      Block* nextBlock = currentBlock->next;
-      _allocator.deallocate(currentBlock);
-      currentBlock = nextBlock;
-    }
+    clear();
   }
 
+  // Gets the number of bytes occupied in the buffer
   size_t size() const {
     size_t total = 0;
     for (const Block* b = _head; b; b = b->next) total += b->size;
     return total;
   }
 
+  // Allocates the specified amount of bytes in the buffer
   virtual void* alloc(size_t bytes) {
     alignNextAlloc();
     return canAllocInHead(bytes) ? allocInHead(bytes) : allocInNewBlock(bytes);
   }
 
+  // Resets the buffer.
+  // USE WITH CAUTION: this invalidates all previously allocated data
+  void clear() {
+    Block* currentBlock = _head;
+    while (currentBlock != NULL) {
+      _nextBlockCapacity = currentBlock->capacity;
+      Block* nextBlock = currentBlock->next;
+      _allocator.deallocate(currentBlock);
+      currentBlock = nextBlock;
+    }
+    _head = 0;
+  }
+
   class String {
    public:
     String(DynamicJsonBufferBase* parent)
@@ -98,7 +106,7 @@ class DynamicJsonBufferBase
    private:
     DynamicJsonBufferBase* _parent;
     char* _start;
-    int _length;
+    size_t _length;
   };
 
   String startString() {
@@ -129,7 +137,7 @@ class DynamicJsonBufferBase
   }
 
   bool addNewBlock(size_t capacity) {
-    size_t bytes = sizeof(EmptyBlock) + capacity;
+    size_t bytes = EmptyBlockSize + capacity;
     Block* block = static_cast<Block*>(_allocator.allocate(bytes));
     if (block == NULL) return false;
     block->capacity = capacity;

src/ArduinoJson/JsonArray.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -39,13 +36,14 @@ class JsonArraySubscript;
 // It can also be deserialized from a JSON string via JsonBuffer::parseArray().
 class JsonArray : public Internals::JsonPrintable<JsonArray>,
                   public Internals::ReferenceType,
+                  public Internals::NonCopyable,
                   public Internals::List<JsonVariant>,
                   public Internals::JsonBufferAllocated {
  public:
   // Create an empty JsonArray attached to the specified JsonBuffer.
   // You should not call this constructor directly.
   // Instead, use JsonBuffer::createArray() or JsonBuffer::parseArray().
-  explicit JsonArray(JsonBuffer *buffer)
+  explicit JsonArray(JsonBuffer *buffer) throw()
       : Internals::List<JsonVariant>(buffer) {}
 
   // Gets the value at the specified index
@@ -76,8 +74,9 @@ class JsonArray : public Internals::JsonPrintable<JsonArray>,
   // bool add(TValue value, uint8_t decimals);
   // TValue = float, double
   template <typename T>
-  bool add(T value, uint8_t decimals) {
-    return add_impl<const JsonVariant &>(JsonVariant(value, decimals));
+  DEPRECATED("Second argument is not supported anymore")
+  bool add(T value, uint8_t) {
+    return add_impl<const JsonVariant &>(JsonVariant(value));
   }
 
   // Sets the value at specified index.
@@ -111,16 +110,15 @@ class JsonArray : public Internals::JsonPrintable<JsonArray>,
   // Gets the value at the specified index.
   template <typename T>
   typename Internals::JsonVariantAs<T>::type get(size_t index) const {
-    node_type *node = findNode(index);
-    return node ? node->content.as<T>()
-                : Internals::JsonVariantDefault<T>::get();
+    const_iterator it = begin() += index;
+    return it != end() ? it->as<T>() : Internals::JsonVariantDefault<T>::get();
   }
 
   // Check the type of the value at specified index.
   template <typename T>
   bool is(size_t index) const {
-    node_type *node = findNode(index);
-    return node ? node->content.is<T>() : false;
+    const_iterator it = begin() += index;
+    return it != end() ? it->is<T>() : false;
   }
 
   // Creates a JsonArray and adds a reference at the end of the array.
@@ -132,9 +130,10 @@ class JsonArray : public Internals::JsonPrintable<JsonArray>,
   JsonObject &createNestedObject();
 
   // Removes element at specified index.
-  void removeAt(size_t index) {
-    removeNode(findNode(index));
+  void remove(size_t index) {
+    remove(begin() += index);
   }
+  using Internals::List<JsonVariant>::remove;
 
   // Returns a reference an invalid JsonArray.
   // This object is meant to replace a NULL pointer.
@@ -197,29 +196,26 @@ class JsonArray : public Internals::JsonPrintable<JsonArray>,
     }
   }
 
- private:
-  node_type *findNode(size_t index) const {
-    node_type *node = _firstNode;
-    while (node && index--) node = node->next;
-    return node;
+#if ARDUINOJSON_ENABLE_DEPRECATED
+  DEPRECATED("use remove() instead")
+  FORCE_INLINE void removeAt(size_t index) {
+    return remove(index);
   }
+#endif
 
+ private:
   template <typename TValueRef>
   bool set_impl(size_t index, TValueRef value) {
-    node_type *node = findNode(index);
-    if (!node) return false;
-
-    return Internals::ValueSetter<TValueRef>::set(_buffer, node->content,
-                                                  value);
+    iterator it = begin() += index;
+    if (it == end()) return false;
+    return Internals::ValueSetter<TValueRef>::set(_buffer, *it, value);
   }
 
   template <typename TValueRef>
   bool add_impl(TValueRef value) {
-    node_type *node = addNewNode();
-    if (!node) return false;
-
-    return Internals::ValueSetter<TValueRef>::set(_buffer, node->content,
-                                                  value);
+    iterator it = Internals::List<JsonVariant>::add();
+    if (it == end()) return false;
+    return Internals::ValueSetter<TValueRef>::set(_buffer, *it, value);
   }
 };
 

src/ArduinoJson/JsonArrayImpl.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/JsonArraySubscript.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -81,8 +78,9 @@ class JsonArraySubscript : public JsonVariantBase<JsonArraySubscript> {
   // bool set(TValue, uint8_t decimals);
   // TValue = float, double
   template <typename TValue>
-  FORCE_INLINE bool set(const TValue& value, uint8_t decimals) {
-    return _array.set(_index, value, decimals);
+  DEPRECATED("Second argument is not supported anymore")
+  FORCE_INLINE bool set(const TValue& value, uint8_t) {
+    return _array.set(_index, value);
   }
 
  private:
@@ -105,15 +103,16 @@ inline const JsonArraySubscript JsonArray::operator[](size_t index) const {
   return JsonArraySubscript(*const_cast<JsonArray*>(this), index);
 }
 
-template <typename TImplem>
-inline JsonArraySubscript JsonVariantBase<TImplem>::operator[](int index) {
-  return as<JsonArray>()[index];
+template <typename TImpl>
+inline JsonArraySubscript JsonVariantSubscripts<TImpl>::operator[](
+    size_t index) {
+  return impl()->template as<JsonArray>()[index];
 }
 
-template <typename TImplem>
-inline const JsonArraySubscript JsonVariantBase<TImplem>::operator[](
-    int index) const {
-  return as<JsonArray>()[index];
+template <typename TImpl>
+inline const JsonArraySubscript JsonVariantSubscripts<TImpl>::operator[](
+    size_t index) const {
+  return impl()->template as<JsonArray>()[index];
 }
 
 }  // namespace ArduinoJson

src/ArduinoJson/JsonBuffer.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -11,20 +8,11 @@
 #include <stdint.h>  // for uint8_t
 #include <string.h>
 
+#include "Data/NonCopyable.hpp"
 #include "JsonVariant.hpp"
 #include "TypeTraits/EnableIf.hpp"
 #include "TypeTraits/IsArray.hpp"
 
-#if defined(__clang__)
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
-#elif defined(__GNUC__)
-#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
-#pragma GCC diagnostic push
-#endif
-#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
-#endif
-
 namespace ArduinoJson {
 class JsonArray;
 class JsonObject;
@@ -34,13 +22,8 @@ class JsonObject;
 // Handle the memory management (done in derived classes) and calls the parser.
 // This abstract class is implemented by StaticJsonBuffer which implements a
 // fixed memory allocation.
-class JsonBuffer {
+class JsonBuffer : Internals::NonCopyable {
  public:
-  // CAUTION: NO VIRTUAL DESTRUCTOR!
-  // If we add a virtual constructor the Arduino compiler will add malloc() and
-  // free() to the binary, adding 706 useless bytes.
-  // virtual ~JsonBuffer() {}
-
   // Allocates an empty JsonArray.
   //
   // Returns a reference to the new JsonArray or JsonArray::invalid() if the
@@ -76,6 +59,11 @@ class JsonBuffer {
   virtual void *alloc(size_t size) = 0;
 
  protected:
+  // CAUTION: NO VIRTUAL DESTRUCTOR!
+  // If we add a virtual constructor the Arduino compiler will add malloc()
+  // and free() to the binary, adding 706 useless bytes.
+  ~JsonBuffer() {}
+
   // Preserve aligment if necessary
   static FORCE_INLINE size_t round_size_up(size_t bytes) {
 #if ARDUINOJSON_ENABLE_ALIGNMENT
@@ -87,11 +75,3 @@ class JsonBuffer {
   }
 };
 }
-
-#if defined(__clang__)
-#pragma clang diagnostic pop
-#elif defined(__GNUC__)
-#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
-#pragma GCC diagnostic pop
-#endif
-#endif

src/ArduinoJson/JsonBufferBase.hpp

@@ -1,24 +1,11 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
 #include "Deserialization/JsonParser.hpp"
 
-#if defined(__clang__)
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
-#elif defined(__GNUC__)
-#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
-#pragma GCC diagnostic push
-#endif
-#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
-#endif
-
 namespace ArduinoJson {
 template <typename TDerived>
 class JsonBufferBase : public JsonBuffer {
@@ -127,17 +114,12 @@ class JsonBufferBase : public JsonBuffer {
     return Internals::makeParser(that(), json, nestingLimit).parseVariant();
   }
 
+ protected:
+  ~JsonBufferBase() {}
+
  private:
   TDerived *that() {
     return static_cast<TDerived *>(this);
   }
 };
 }
-
-#if defined(__clang__)
-#pragma clang diagnostic pop
-#elif defined(__GNUC__)
-#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
-#pragma GCC diagnostic pop
-#endif
-#endif

src/ArduinoJson/JsonBufferImpl.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/JsonObject.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -38,13 +35,15 @@ class JsonBuffer;
 // It can also be deserialized from a JSON string via JsonBuffer::parseObject().
 class JsonObject : public Internals::JsonPrintable<JsonObject>,
                    public Internals::ReferenceType,
+                   public Internals::NonCopyable,
                    public Internals::List<JsonPair>,
                    public Internals::JsonBufferAllocated {
  public:
   // Create an empty JsonArray attached to the specified JsonBuffer.
   // You should not use this constructor directly.
   // Instead, use JsonBuffer::createObject() or JsonBuffer.parseObject().
-  explicit JsonObject(JsonBuffer* buffer) : Internals::List<JsonPair>(buffer) {}
+  explicit JsonObject(JsonBuffer* buffer) throw()
+      : Internals::List<JsonPair>(buffer) {}
 
   // Gets or sets the value associated with the specified key.
   //
@@ -134,23 +133,25 @@ class JsonObject : public Internals::JsonPrintable<JsonObject>,
   // TKey = const std::string&, const String&
   // TValue = float, double
   template <typename TValue, typename TString>
+  DEPRECATED("Second argument is not supported anymore")
   typename TypeTraits::EnableIf<TypeTraits::IsFloatingPoint<TValue>::value &&
                                     !TypeTraits::IsArray<TString>::value,
                                 bool>::type
-  set(const TString& key, TValue value, uint8_t decimals) {
-    return set_impl<const TString&, const JsonVariant&>(
-        key, JsonVariant(value, decimals));
+      set(const TString& key, TValue value, uint8_t) {
+    return set_impl<const TString&, const JsonVariant&>(key,
+                                                        JsonVariant(value));
   }
   //
   // bool set(TKey, TValue, uint8_t decimals);
   // TKey = const char*, const char[N], const FlashStringHelper*
   // TValue = float, double
   template <typename TValue, typename TString>
+  DEPRECATED("Second argument is not supported anymore")
   typename TypeTraits::EnableIf<TypeTraits::IsFloatingPoint<TValue>::value,
                                 bool>::type
-  set(const TString* key, TValue value, uint8_t decimals) {
-    return set_impl<const TString*, const JsonVariant&>(
-        key, JsonVariant(value, decimals));
+      set(const TString* key, TValue value, uint8_t) {
+    return set_impl<const TString*, const JsonVariant&>(key,
+                                                        JsonVariant(value));
   }
 
   // Gets the value associated with the specified key.
@@ -247,14 +248,14 @@ class JsonObject : public Internals::JsonPrintable<JsonObject>,
   typename TypeTraits::EnableIf<!TypeTraits::IsArray<TString>::value,
                                 bool>::type
   containsKey(const TString& key) const {
-    return findNode<const TString&>(key) != NULL;
+    return findKey<const TString&>(key) != end();
   }
   //
   // bool containsKey(TKey);
   // TKey = const char*, const char[N], const FlashStringHelper*
   template <typename TString>
   bool containsKey(const TString* key) const {
-    return findNode<const TString*>(key) != NULL;
+    return findKey<const TString*>(key) != end();
   }
 
   // Removes the specified key and the associated value.
@@ -265,15 +266,18 @@ class JsonObject : public Internals::JsonPrintable<JsonObject>,
   typename TypeTraits::EnableIf<!TypeTraits::IsArray<TString>::value,
                                 void>::type
   remove(const TString& key) {
-    removeNode(findNode<const TString&>(key));
+    remove(findKey<const TString&>(key));
   }
   //
   // void remove(TKey);
   // TKey = const char*, const char[N], const FlashStringHelper*
   template <typename TString>
   void remove(const TString* key) {
-    removeNode(findNode<const TString*>(key));
+    remove(findKey<const TString*>(key));
   }
+  //
+  // void remove(iterator)
+  using Internals::List<JsonPair>::remove;
 
   // Returns a reference an invalid JsonObject.
   // This object is meant to replace a NULL pointer.
@@ -286,41 +290,44 @@ class JsonObject : public Internals::JsonPrintable<JsonObject>,
  private:
   // Returns the list node that matches the specified key.
   template <typename TStringRef>
-  node_type* findNode(TStringRef key) const {
-    for (node_type* node = _firstNode; node; node = node->next) {
-      if (Internals::StringTraits<TStringRef>::equals(key, node->content.key))
-        return node;
+  iterator findKey(TStringRef key) {
+    iterator it;
+    for (it = begin(); it != end(); ++it) {
+      if (Internals::StringTraits<TStringRef>::equals(key, it->key)) break;
     }
-    return NULL;
+    return it;
+  }
+  template <typename TStringRef>
+  const_iterator findKey(TStringRef key) const {
+    return const_cast<JsonObject*>(this)->findKey<TStringRef>(key);
   }
 
   template <typename TStringRef, typename TValue>
   typename Internals::JsonVariantAs<TValue>::type get_impl(
       TStringRef key) const {
-    node_type* node = findNode<TStringRef>(key);
-    return node ? node->content.value.as<TValue>()
-                : Internals::JsonVariantDefault<TValue>::get();
+    const_iterator it = findKey<TStringRef>(key);
+    return it != end() ? it->value.as<TValue>()
+                       : Internals::JsonVariantDefault<TValue>::get();
   }
 
   template <typename TStringRef, typename TValueRef>
   bool set_impl(TStringRef key, TValueRef value) {
-    node_type* node = findNode<TStringRef>(key);
-    if (!node) {
-      node = addNewNode();
-      if (!node) return false;
+    iterator it = findKey<TStringRef>(key);
+    if (it == end()) {
+      it = Internals::List<JsonPair>::add();
+      if (it == end()) return false;
 
-      bool key_ok = Internals::ValueSetter<TStringRef>::set(
-          _buffer, node->content.key, key);
+      bool key_ok =
+          Internals::ValueSetter<TStringRef>::set(_buffer, it->key, key);
       if (!key_ok) return false;
     }
-    return Internals::ValueSetter<TValueRef>::set(_buffer, node->content.value,
-                                                  value);
+    return Internals::ValueSetter<TValueRef>::set(_buffer, it->value, value);
   }
 
   template <typename TStringRef, typename TValue>
   bool is_impl(TStringRef key) const {
-    node_type* node = findNode<TStringRef>(key);
-    return node ? node->content.value.is<TValue>() : false;
+    const_iterator it = findKey<TStringRef>(key);
+    return it != end() ? it->value.is<TValue>() : false;
   }
 
   template <typename TStringRef>

src/ArduinoJson/JsonObjectImpl.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/JsonObjectSubscript.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -93,8 +90,9 @@ class JsonObjectSubscript
   // bool set(TValue, uint8_t decimals);
   // TValue = float, double
   template <typename TValue>
-  FORCE_INLINE bool set(const TValue& value, uint8_t decimals) {
-    return _object.set(_key, value, decimals);
+  DEPRECATED("Second argument is not supported anymore")
+  FORCE_INLINE bool set(const TValue& value, uint8_t) {
+    return _object.set(_key, value);
   }
 
  private:

src/ArduinoJson/JsonPair.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/JsonVariant.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
@@ -40,8 +37,8 @@ class JsonObject;
 // - a string (const char*)
 // - a reference to a JsonArray or JsonObject
 class JsonVariant : public JsonVariantBase<JsonVariant> {
-  friend void Internals::JsonSerializer::serialize(const JsonVariant &,
-                                                   JsonWriter &);
+  template <typename Print>
+  friend class Internals::JsonSerializer;
 
  public:
   // Creates an uninitialized JsonVariant
@@ -52,31 +49,39 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
   JsonVariant(bool value) {
     using namespace Internals;
     _type = JSON_BOOLEAN;
-    _content.asInteger = static_cast<JsonInteger>(value);
+    _content.asInteger = static_cast<JsonUInt>(value);
   }
 
   // Create a JsonVariant containing a floating point value.
-  // The second argument specifies the number of decimal digits to write in
-  // the JSON string.
-  // JsonVariant(double value, uint8_t decimals);
-  // JsonVariant(float value, uint8_t decimals);
+  // JsonVariant(double value);
+  // JsonVariant(float value);
   template <typename T>
-  JsonVariant(T value, uint8_t decimals = 2,
+  JsonVariant(T value, typename TypeTraits::EnableIf<
+                           TypeTraits::IsFloatingPoint<T>::value>::type * = 0) {
+    using namespace Internals;
+    _type = JSON_FLOAT;
+    _content.asFloat = static_cast<JsonFloat>(value);
+  }
+  template <typename T>
+  DEPRECATED("Second argument is not supported anymore")
+  JsonVariant(T value, uint8_t,
               typename TypeTraits::EnableIf<
                   TypeTraits::IsFloatingPoint<T>::value>::type * = 0) {
     using namespace Internals;
-    _type = static_cast<JsonVariantType>(JSON_FLOAT_0_DECIMALS + decimals);
+    _type = JSON_FLOAT;
     _content.asFloat = static_cast<JsonFloat>(value);
   }
 
   // Create a JsonVariant containing an integer value.
+  // JsonVariant(char)
   // JsonVariant(signed short)
   // JsonVariant(signed int)
   // JsonVariant(signed long)
+  // JsonVariant(signed char)
   template <typename T>
-  JsonVariant(T value,
-              typename TypeTraits::EnableIf<
-                  TypeTraits::IsSignedIntegral<T>::value>::type * = 0) {
+  JsonVariant(T value, typename TypeTraits::EnableIf<
+                           TypeTraits::IsSignedIntegral<T>::value ||
+                           TypeTraits::IsSame<T, char>::value>::type * = 0) {
     using namespace Internals;
     if (value >= 0) {
       _type = JSON_POSITIVE_INTEGER;
@@ -129,24 +134,26 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
 
   // Get the variant as the specified type.
   //
-  // short as<signed short>() const;
-  // int as<signed int>() const;
-  // long as<signed long>() const;
+  // char as<char>() const;
+  // signed char as<signed char>() const;
+  // signed short as<signed short>() const;
+  // signed int as<signed int>() const;
+  // signed long as<signed long>() const;
+  // unsigned char as<unsigned char>() const;
+  // unsigned short as<unsigned short>() const;
+  // unsigned int as<unsigned int>() const;
+  // unsigned long as<unsigned long>() const;
   template <typename T>
-  const typename TypeTraits::EnableIf<TypeTraits::IsSignedIntegral<T>::value,
-                                      T>::type
+  const typename TypeTraits::EnableIf<TypeTraits::IsIntegral<T>::value, T>::type
   as() const {
-    return static_cast<T>(variantAsInteger());
+    return variantAsInteger<T>();
   }
-  //
-  // short as<unsigned short>() const;
-  // int as<unsigned int>() const;
-  // long as<unsigned long>() const;
+  // bool as<bool>() const
   template <typename T>
-  const typename TypeTraits::EnableIf<TypeTraits::IsUnsignedIntegral<T>::value,
+  const typename TypeTraits::EnableIf<TypeTraits::IsSame<T, bool>::value,
                                       T>::type
   as() const {
-    return static_cast<T>(asUnsignedInteger());
+    return variantAsInteger<int>() != 0;
   }
   //
   // double as<double>() const;
@@ -155,7 +162,7 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
   const typename TypeTraits::EnableIf<TypeTraits::IsFloatingPoint<T>::value,
                                       T>::type
   as() const {
-    return static_cast<T>(variantAsFloat());
+    return variantAsFloat<T>();
   }
   //
   // const char* as<const char*>() const;
@@ -180,14 +187,6 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
     return s;
   }
   //
-  // const bool as<bool>() const
-  template <typename T>
-  const typename TypeTraits::EnableIf<TypeTraits::IsSame<T, bool>::value,
-                                      T>::type
-  as() const {
-    return variantAsInteger() != 0;
-  }
-  //
   // JsonArray& as<JsonArray> const;
   // JsonArray& as<JsonArray&> const;
   template <typename T>
@@ -242,32 +241,35 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
   // Tells weither the variant has the specified type.
   // Returns true if the variant has type type T, false otherwise.
   //
-  // short as<short>() const;
-  // int as<int>() const;
-  // long as<long>() const;
+  // bool is<char>() const;
+  // bool is<signed char>() const;
+  // bool is<signed short>() const;
+  // bool is<signed int>() const;
+  // bool is<signed long>() const;
+  // bool is<unsigned char>() const;
+  // bool is<unsigned short>() const;
+  // bool is<unsigned int>() const;
+  // bool is<unsigned long>() const;
   template <typename T>
-  const typename TypeTraits::EnableIf<TypeTraits::IsIntegral<T>::value &&
-                                          !TypeTraits::IsSame<T, bool>::value,
-                                      bool>::type
+  typename TypeTraits::EnableIf<TypeTraits::IsIntegral<T>::value, bool>::type
   is() const {
-    return isInteger();
+    return variantIsInteger();
   }
   //
-  // double is<double>() const;
-  // float is<float>() const;
+  // bool is<double>() const;
+  // bool is<float>() const;
   template <typename T>
-  const typename TypeTraits::EnableIf<TypeTraits::IsFloatingPoint<T>::value,
-                                      bool>::type
+  typename TypeTraits::EnableIf<TypeTraits::IsFloatingPoint<T>::value,
+                                bool>::type
   is() const {
-    return isFloat();
+    return variantIsFloat();
   }
   //
-  // const bool is<bool>() const
+  // bool is<bool>() const
   template <typename T>
-  const typename TypeTraits::EnableIf<TypeTraits::IsSame<T, bool>::value,
-                                      bool>::type
+  typename TypeTraits::EnableIf<TypeTraits::IsSame<T, bool>::value, bool>::type
   is() const {
-    return isBoolean();
+    return variantIsBoolean();
   }
   //
   // bool is<const char*>() const;
@@ -277,7 +279,7 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
                                     TypeTraits::IsSame<T, char *>::value,
                                 bool>::type
   is() const {
-    return isString();
+    return variantIsString();
   }
   //
   // bool is<JsonArray> const;
@@ -291,7 +293,7 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
           JsonArray>::value,
       bool>::type
   is() const {
-    return isArray();
+    return variantIsArray();
   }
   //
   // bool is<JsonObject> const;
@@ -305,7 +307,7 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
           JsonObject>::value,
       bool>::type
   is() const {
-    return isObject();
+    return variantIsObject();
   }
 
   // Returns true if the variant has a value
@@ -314,27 +316,23 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
   }
 
  private:
-  // It's not allowed to store a char
-  template <typename T>
-  JsonVariant(T value, typename TypeTraits::EnableIf<
-                           TypeTraits::IsSame<T, char>::value>::type * = 0);
-
   JsonArray &variantAsArray() const;
   JsonObject &variantAsObject() const;
   const char *variantAsString() const;
-  Internals::JsonFloat variantAsFloat() const;
-  Internals::JsonInteger variantAsInteger() const;
-  Internals::JsonUInt asUnsignedInteger() const;
-  bool isBoolean() const;
-  bool isFloat() const;
-  bool isInteger() const;
-  bool isArray() const {
+  template <typename T>
+  T variantAsFloat() const;
+  template <typename T>
+  T variantAsInteger() const;
+  bool variantIsBoolean() const;
+  bool variantIsFloat() const;
+  bool variantIsInteger() const;
+  bool variantIsArray() const {
     return _type == Internals::JSON_ARRAY;
   }
-  bool isObject() const {
+  bool variantIsObject() const {
     return _type == Internals::JSON_OBJECT;
   }
-  bool isString() const {
+  bool variantIsString() const {
     return _type == Internals::JSON_STRING ||
            (_type == Internals::JSON_UNPARSED && _content.asString &&
             !strcmp("null", _content.asString));
@@ -347,11 +345,13 @@ class JsonVariant : public JsonVariantBase<JsonVariant> {
   Internals::JsonVariantContent _content;
 };
 
-inline JsonVariant float_with_n_digits(float value, uint8_t digits) {
-  return JsonVariant(value, digits);
+DEPRECATED("Decimal places are ignored, use the float value instead")
+inline JsonVariant float_with_n_digits(float value, uint8_t) {
+  return JsonVariant(value);
 }
 
-inline JsonVariant double_with_n_digits(double value, uint8_t digits) {
-  return JsonVariant(value, digits);
+DEPRECATED("Decimal places are ignored, use the double value instead")
+inline JsonVariant double_with_n_digits(double value, uint8_t) {
+  return JsonVariant(value);
 }
 }

src/ArduinoJson/JsonVariantBase.hpp

@@ -0,0 +1,22 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include "JsonVariantCasts.hpp"
+#include "JsonVariantComparisons.hpp"
+#include "JsonVariantOr.hpp"
+#include "JsonVariantSubscripts.hpp"
+#include "Serialization/JsonPrintable.hpp"
+
+namespace ArduinoJson {
+
+template <typename TImpl>
+class JsonVariantBase : public Internals::JsonPrintable<TImpl>,
+                        public JsonVariantCasts<TImpl>,
+                        public JsonVariantComparisons<TImpl>,
+                        public JsonVariantOr<TImpl>,
+                        public JsonVariantSubscripts<TImpl>,
+                        public TypeTraits::JsonVariantTag {};
+}

src/ArduinoJson/JsonVariantCasts.hpp

@@ -0,0 +1,57 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include "Data/JsonVariantAs.hpp"
+#include "Polyfills/attributes.hpp"
+
+namespace ArduinoJson {
+
+template <typename TImpl>
+class JsonVariantCasts {
+ public:
+#if ARDUINOJSON_ENABLE_DEPRECATED
+  DEPRECATED("use as<JsonArray>() instead")
+  FORCE_INLINE JsonArray &asArray() const {
+    return impl()->template as<JsonArray>();
+  }
+
+  DEPRECATED("use as<JsonObject>() instead")
+  FORCE_INLINE JsonObject &asObject() const {
+    return impl()->template as<JsonObject>();
+  }
+
+  DEPRECATED("use as<char*>() instead")
+  FORCE_INLINE const char *asString() const {
+    return impl()->template as<const char *>();
+  }
+#endif
+
+  // Gets the variant as an array.
+  // Returns a reference to the JsonArray or JsonArray::invalid() if the
+  // variant
+  // is not an array.
+  FORCE_INLINE operator JsonArray &() const {
+    return impl()->template as<JsonArray &>();
+  }
+
+  // Gets the variant as an object.
+  // Returns a reference to the JsonObject or JsonObject::invalid() if the
+  // variant is not an object.
+  FORCE_INLINE operator JsonObject &() const {
+    return impl()->template as<JsonObject &>();
+  }
+
+  template <typename T>
+  FORCE_INLINE operator T() const {
+    return impl()->template as<T>();
+  }
+
+ private:
+  const TImpl *impl() const {
+    return static_cast<const TImpl *>(this);
+  }
+};
+}

src/ArduinoJson/JsonVariantComparisons.hpp

@@ -0,0 +1,141 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include "StringTraits/StringTraits.hpp"
+#include "TypeTraits/EnableIf.hpp"
+#include "TypeTraits/IsVariant.hpp"
+
+namespace ArduinoJson {
+
+template <typename TImpl>
+class JsonVariantComparisons {
+ public:
+  template <typename TComparand>
+  friend bool operator==(const JsonVariantComparisons &variant,
+                         TComparand comparand) {
+    return variant.equals(comparand);
+  }
+
+  template <typename TComparand>
+  friend
+      typename TypeTraits::EnableIf<!TypeTraits::IsVariant<TComparand>::value,
+                                    bool>::type
+      operator==(TComparand comparand, const JsonVariantComparisons &variant) {
+    return variant.equals(comparand);
+  }
+
+  template <typename TComparand>
+  friend bool operator!=(const JsonVariantComparisons &variant,
+                         TComparand comparand) {
+    return !variant.equals(comparand);
+  }
+
+  template <typename TComparand>
+  friend
+      typename TypeTraits::EnableIf<!TypeTraits::IsVariant<TComparand>::value,
+                                    bool>::type
+      operator!=(TComparand comparand, const JsonVariantComparisons &variant) {
+    return !variant.equals(comparand);
+  }
+
+  template <typename TComparand>
+  friend bool operator<=(const JsonVariantComparisons &left, TComparand right) {
+    return left.as<TComparand>() <= right;
+  }
+
+  template <typename TComparand>
+  friend bool operator<=(TComparand comparand,
+                         const JsonVariantComparisons &variant) {
+    return comparand <= variant.as<TComparand>();
+  }
+
+  template <typename TComparand>
+  friend bool operator>=(const JsonVariantComparisons &variant,
+                         TComparand comparand) {
+    return variant.as<TComparand>() >= comparand;
+  }
+
+  template <typename TComparand>
+  friend bool operator>=(TComparand comparand,
+                         const JsonVariantComparisons &variant) {
+    return comparand >= variant.as<TComparand>();
+  }
+
+  template <typename TComparand>
+  friend bool operator<(const JsonVariantComparisons &varian,
+                        TComparand comparand) {
+    return varian.as<TComparand>() < comparand;
+  }
+
+  template <typename TComparand>
+  friend bool operator<(TComparand comparand,
+                        const JsonVariantComparisons &variant) {
+    return comparand < variant.as<TComparand>();
+  }
+
+  template <typename TComparand>
+  friend bool operator>(const JsonVariantComparisons &variant,
+                        TComparand comparand) {
+    return variant.as<TComparand>() > comparand;
+  }
+
+  template <typename TComparand>
+  friend bool operator>(TComparand comparand,
+                        const JsonVariantComparisons &variant) {
+    return comparand > variant.as<TComparand>();
+  }
+
+ private:
+  const TImpl *impl() const {
+    return static_cast<const TImpl *>(this);
+  }
+
+  template <typename T>
+  const typename Internals::JsonVariantAs<T>::type as() const {
+    return impl()->template as<T>();
+  }
+
+  template <typename T>
+  bool is() const {
+    return impl()->template is<T>();
+  }
+
+  template <typename TString>
+  typename TypeTraits::EnableIf<TypeTraits::IsString<TString>::value,
+                                bool>::type
+  equals(const TString &comparand) const {
+    const char *value = as<const char *>();
+    return Internals::StringTraits<TString>::equals(comparand, value);
+  }
+
+  template <typename TComparand>
+  typename TypeTraits::EnableIf<!TypeTraits::IsVariant<TComparand>::value &&
+                                    !TypeTraits::IsString<TComparand>::value,
+                                bool>::type
+  equals(const TComparand &comparand) const {
+    return as<TComparand>() == comparand;
+  }
+
+  template <typename TVariant2>
+  bool equals(const JsonVariantComparisons<TVariant2> &right) const {
+    using namespace Internals;
+    if (is<bool>() && right.template is<bool>())
+      return as<bool>() == right.template as<bool>();
+    if (is<JsonInteger>() && right.template is<JsonInteger>())
+      return as<JsonInteger>() == right.template as<JsonInteger>();
+    if (is<JsonFloat>() && right.template is<JsonFloat>())
+      return as<JsonFloat>() == right.template as<JsonFloat>();
+    if (is<JsonArray>() && right.template is<JsonArray>())
+      return as<JsonArray>() == right.template as<JsonArray>();
+    if (is<JsonObject>() && right.template is<JsonObject>())
+      return as<JsonObject>() == right.template as<JsonObject>();
+    if (is<char *>() && right.template is<char *>())
+      return strcmp(as<char *>(), right.template as<char *>()) == 0;
+
+    return false;
+  }
+};
+}

src/ArduinoJson/JsonVariantImpl.hpp

@@ -1,20 +1,18 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
 #include "Configuration.hpp"
-#include "Data/Parse.hpp"
 #include "JsonArray.hpp"
 #include "JsonObject.hpp"
 #include "JsonVariant.hpp"
+#include "Polyfills/isFloat.hpp"
+#include "Polyfills/isInteger.hpp"
+#include "Polyfills/parseFloat.hpp"
+#include "Polyfills/parseInteger.hpp"
 
-#include <errno.h>   // for errno
-#include <stdlib.h>  // for strtol, strtod
 #include <string.h>  // for strcmp
 
 namespace ArduinoJson {
@@ -47,42 +45,22 @@ inline JsonObject &JsonVariant::variantAsObject() const {
   return JsonObject::invalid();
 }
 
-inline Internals::JsonInteger JsonVariant::variantAsInteger() const {
+template <typename T>
+inline T JsonVariant::variantAsInteger() const {
   using namespace Internals;
   switch (_type) {
     case JSON_UNDEFINED:
       return 0;
     case JSON_POSITIVE_INTEGER:
     case JSON_BOOLEAN:
-      return _content.asInteger;
+      return T(_content.asInteger);
     case JSON_NEGATIVE_INTEGER:
-      return -static_cast<Internals::JsonInteger>(_content.asInteger);
+      return T(~_content.asInteger + 1);
     case JSON_STRING:
     case JSON_UNPARSED:
-      if (!_content.asString) return 0;
-      if (!strcmp("true", _content.asString)) return 1;
-      return parse<Internals::JsonInteger>(_content.asString);
+      return Polyfills::parseInteger<T>(_content.asString);
     default:
-      return static_cast<Internals::JsonInteger>(_content.asFloat);
-  }
-}
-
-inline Internals::JsonUInt JsonVariant::asUnsignedInteger() const {
-  using namespace Internals;
-  switch (_type) {
-    case JSON_UNDEFINED:
-      return 0;
-    case JSON_POSITIVE_INTEGER:
-    case JSON_BOOLEAN:
-    case JSON_NEGATIVE_INTEGER:
-      return _content.asInteger;
-    case JSON_STRING:
-    case JSON_UNPARSED:
-      if (!_content.asString) return 0;
-      if (!strcmp("true", _content.asString)) return 1;
-      return parse<Internals::JsonUInt>(_content.asString);
-    default:
-      return static_cast<Internals::JsonUInt>(_content.asFloat);
+      return T(_content.asFloat);
   }
 }
 
@@ -95,25 +73,26 @@ inline const char *JsonVariant::variantAsString() const {
   return NULL;
 }
 
-inline Internals::JsonFloat JsonVariant::variantAsFloat() const {
+template <typename T>
+inline T JsonVariant::variantAsFloat() const {
   using namespace Internals;
   switch (_type) {
     case JSON_UNDEFINED:
       return 0;
     case JSON_POSITIVE_INTEGER:
     case JSON_BOOLEAN:
-      return static_cast<JsonFloat>(_content.asInteger);
+      return static_cast<T>(_content.asInteger);
     case JSON_NEGATIVE_INTEGER:
-      return -static_cast<JsonFloat>(_content.asInteger);
+      return -static_cast<T>(_content.asInteger);
     case JSON_STRING:
     case JSON_UNPARSED:
-      return _content.asString ? parse<JsonFloat>(_content.asString) : 0;
+      return Polyfills::parseFloat<T>(_content.asString);
     default:
-      return _content.asFloat;
+      return static_cast<T>(_content.asFloat);
   }
 }
 
-inline bool JsonVariant::isBoolean() const {
+inline bool JsonVariant::variantIsBoolean() const {
   using namespace Internals;
   if (_type == JSON_BOOLEAN) return true;
 
@@ -123,31 +102,19 @@ inline bool JsonVariant::isBoolean() const {
          !strcmp(_content.asString, "false");
 }
 
-inline bool JsonVariant::isInteger() const {
+inline bool JsonVariant::variantIsInteger() const {
   using namespace Internals;
-  if (_type == JSON_POSITIVE_INTEGER || _type == JSON_NEGATIVE_INTEGER)
-    return true;
 
-  if (_type != JSON_UNPARSED || _content.asString == NULL) return false;
-
-  char *end;
-  errno = 0;
-  strtol(_content.asString, &end, 10);
-
-  return *end == '\0' && errno == 0;
+  return _type == JSON_POSITIVE_INTEGER || _type == JSON_NEGATIVE_INTEGER ||
+         (_type == JSON_UNPARSED && Polyfills::isInteger(_content.asString));
 }
 
-inline bool JsonVariant::isFloat() const {
+inline bool JsonVariant::variantIsFloat() const {
   using namespace Internals;
-  if (_type >= JSON_FLOAT_0_DECIMALS) return true;
 
-  if (_type != JSON_UNPARSED || _content.asString == NULL) return false;
-
-  char *end;
-  errno = 0;
-  strtod(_content.asString, &end);
-
-  return *end == '\0' && errno == 0 && !is<long>();
+  return _type == JSON_FLOAT || _type == JSON_POSITIVE_INTEGER ||
+         _type == JSON_NEGATIVE_INTEGER ||
+         (_type == JSON_UNPARSED && Polyfills::isFloat(_content.asString));
 }
 
 #if ARDUINOJSON_ENABLE_STD_STREAM

src/ArduinoJson/JsonVariantOr.hpp

@@ -0,0 +1,36 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include "Data/JsonVariantAs.hpp"
+#include "Polyfills/attributes.hpp"
+
+namespace ArduinoJson {
+
+template <typename TImpl>
+class JsonVariantOr {
+ public:
+  // Returns the default value if the JsonVariant is undefined of incompatible
+  template <typename T>
+  T operator|(const T &defaultValue) const {
+    if (impl()->template is<T>())
+      return impl()->template as<T>();
+    else
+      return defaultValue;
+  }
+
+  // Returns the default value if the JsonVariant is undefined of incompatible
+  // Special case for string: null is treated as undefined
+  const char *operator|(const char *defaultValue) const {
+    const char *value = impl()->template as<const char *>();
+    return value ? value : defaultValue;
+  }
+
+ private:
+  const TImpl *impl() const {
+    return static_cast<const TImpl *>(this);
+  }
+};
+}

src/ArduinoJson/JsonVariantSubscripts.hpp

@@ -1,15 +1,13 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
 #include "Data/JsonVariantAs.hpp"
 #include "Polyfills/attributes.hpp"
-#include "Serialization/JsonPrintable.hpp"
+#include "StringTraits/StringTraits.hpp"
+#include "TypeTraits/EnableIf.hpp"
 
 namespace ArduinoJson {
 
@@ -19,67 +17,21 @@ template <typename TKey>
 class JsonObjectSubscript;
 
 template <typename TImpl>
-class JsonVariantBase : public Internals::JsonPrintable<TImpl> {
+class JsonVariantSubscripts {
  public:
-#if ARDUINOJSON_ENABLE_DEPRECATED
-  DEPRECATED("use as<JsonArray>() instead")
-  FORCE_INLINE JsonArray &asArray() const {
-    return as<JsonArray>();
-  }
-
-  DEPRECATED("use as<JsonObject>() instead")
-  FORCE_INLINE JsonObject &asObject() const {
-    return as<JsonObject>();
-  }
-
-  DEPRECATED("use as<char*>() instead")
-  FORCE_INLINE const char *asString() const {
-    return as<const char *>();
-  }
-#endif
-
-  // Gets the variant as an array.
-  // Returns a reference to the JsonArray or JsonArray::invalid() if the
-  // variant
-  // is not an array.
-  FORCE_INLINE operator JsonArray &() const {
-    return as<JsonArray &>();
-  }
-
-  // Gets the variant as an object.
-  // Returns a reference to the JsonObject or JsonObject::invalid() if the
-  // variant is not an object.
-  FORCE_INLINE operator JsonObject &() const {
-    return as<JsonObject &>();
-  }
-
-  template <typename T>
-  FORCE_INLINE operator T() const {
-    return as<T>();
-  }
-
-  template <typename T>
-  FORCE_INLINE const typename Internals::JsonVariantAs<T>::type as() const {
-    return impl()->template as<T>();
-  }
-
-  template <typename T>
-  FORCE_INLINE bool is() const {
-    return impl()->template is<T>();
-  }
-
   // Mimics an array or an object.
   // Returns the size of the array or object if the variant has that type.
   // Returns 0 if the variant is neither an array nor an object
   size_t size() const {
-    return as<JsonArray>().size() + as<JsonObject>().size();
+    return impl()->template as<JsonArray>().size() +
+           impl()->template as<JsonObject>().size();
   }
 
   // Mimics an array.
   // Returns the element at specified index if the variant is an array.
   // Returns JsonVariant::invalid() if the variant is not an array.
-  FORCE_INLINE const JsonArraySubscript operator[](int index) const;
-  FORCE_INLINE JsonArraySubscript operator[](int index);
+  FORCE_INLINE const JsonArraySubscript operator[](size_t index) const;
+  FORCE_INLINE JsonArraySubscript operator[](size_t index);
 
   // Mimics an object.
   // Returns the value associated with the specified key if the variant is
@@ -93,7 +45,7 @@ class JsonVariantBase : public Internals::JsonPrintable<TImpl> {
       Internals::StringTraits<TString>::has_equals,
       const JsonObjectSubscript<const TString &> >::type
   operator[](const TString &key) const {
-    return as<JsonObject>()[key];
+    return impl()->template as<JsonObject>()[key];
   }
   //
   // const JsonObjectSubscript operator[](TKey) const;
@@ -103,7 +55,7 @@ class JsonVariantBase : public Internals::JsonPrintable<TImpl> {
       Internals::StringTraits<TString>::has_equals,
       JsonObjectSubscript<const TString &> >::type
   operator[](const TString &key) {
-    return as<JsonObject>()[key];
+    return impl()->template as<JsonObject>()[key];
   }
   //
   // JsonObjectSubscript operator[](TKey);
@@ -113,7 +65,7 @@ class JsonVariantBase : public Internals::JsonPrintable<TImpl> {
       Internals::StringTraits<const TString *>::has_equals,
       JsonObjectSubscript<const TString *> >::type
   operator[](const TString *key) {
-    return as<JsonObject>()[key];
+    return impl()->template as<JsonObject>()[key];
   }
   //
   // JsonObjectSubscript operator[](TKey);
@@ -123,7 +75,7 @@ class JsonVariantBase : public Internals::JsonPrintable<TImpl> {
       Internals::StringTraits<TString *>::has_equals,
       const JsonObjectSubscript<const TString *> >::type
   operator[](const TString *key) const {
-    return as<JsonObject>()[key];
+    return impl()->template as<JsonObject>()[key];
   }
 
  private:
@@ -131,9 +83,4 @@ class JsonVariantBase : public Internals::JsonPrintable<TImpl> {
     return static_cast<const TImpl *>(this);
   }
 };
-
-namespace TypeTraits {
-template <typename T>
-struct IsVariant : IsBaseOf<JsonVariantBase<T>, T> {};
-}
 }

src/ArduinoJson/Polyfills/attributes.hpp

@@ -1,17 +1,17 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
-#ifdef _MSC_VER
+#ifdef _MSC_VER  // Visual Studio
+
 #define FORCE_INLINE __forceinline
 #define NO_INLINE __declspec(noinline)
 #define DEPRECATED(msg) __declspec(deprecated(msg))
-#else
+
+#elif defined(__GNUC__)  // GCC or Clang
+
 #define FORCE_INLINE __attribute__((always_inline))
 #define NO_INLINE __attribute__((noinline))
 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
@@ -19,4 +19,11 @@
 #else
 #define DEPRECATED(msg) __attribute__((deprecated))
 #endif
+
+#else  // Other compilers
+
+#define FORCE_INLINE
+#define NO_INLINE
+#define DEPRECATED(msg)
+
 #endif

src/ArduinoJson/Polyfills/ctype.hpp

@@ -0,0 +1,18 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+namespace ArduinoJson {
+namespace Polyfills {
+
+inline bool isdigit(char c) {
+  return '0' <= c && c <= '9';
+}
+
+inline bool issign(char c) {
+  return '-' == c || c == '+';
+}
+}
+}

src/ArduinoJson/Polyfills/isFloat.hpp

@@ -0,0 +1,38 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include <string.h>  // for strcmp
+#include "./ctype.hpp"
+
+namespace ArduinoJson {
+namespace Polyfills {
+
+inline bool isFloat(const char* s) {
+  if (!s) return false;
+
+  if (!strcmp(s, "NaN")) return true;
+  if (issign(*s)) s++;
+  if (!strcmp(s, "Infinity")) return true;
+  if (*s == '\0') return false;
+
+  while (isdigit(*s)) s++;
+
+  if (*s == '.') {
+    s++;
+    while (isdigit(*s)) s++;
+  }
+
+  if (*s == 'e' || *s == 'E') {
+    s++;
+    if (issign(*s)) s++;
+    if (!isdigit(*s)) return false;
+    while (isdigit(*s)) s++;
+  }
+
+  return *s == '\0';
+}
+}
+}

src/ArduinoJson/Polyfills/isInteger.hpp

@@ -0,0 +1,19 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include "./ctype.hpp"
+
+namespace ArduinoJson {
+namespace Polyfills {
+
+inline bool isInteger(const char* s) {
+  if (!s) return false;
+  if (issign(*s)) s++;
+  while (isdigit(*s)) s++;
+  return *s == '\0';
+}
+}
+}

src/ArduinoJson/Polyfills/math.hpp

@@ -0,0 +1,19 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+namespace ArduinoJson {
+namespace Polyfills {
+template <typename T>
+bool isNaN(T x) {
+  return x != x;
+}
+
+template <typename T>
+bool isInfinity(T x) {
+  return x != 0.0 && x * 2 == x;
+}
+}
+}

src/ArduinoJson/Polyfills/parseFloat.hpp

@@ -0,0 +1,90 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include "../TypeTraits/FloatTraits.hpp"
+#include "./ctype.hpp"
+#include "./math.hpp"
+
+namespace ArduinoJson {
+namespace Polyfills {
+
+template <typename T>
+inline T parseFloat(const char* s) {
+  typedef TypeTraits::FloatTraits<T> traits;
+  typedef typename traits::mantissa_type mantissa_t;
+  typedef typename traits::exponent_type exponent_t;
+
+  if (!s) return 0;  // NULL
+
+  bool negative_result = false;
+  switch (*s) {
+    case '-':
+      negative_result = true;
+      s++;
+      break;
+    case '+':
+      s++;
+      break;
+  }
+
+  if (*s == 't') return 1;  // true
+  if (*s == 'n' || *s == 'N') return traits::nan();
+  if (*s == 'i' || *s == 'I')
+    return negative_result ? -traits::inf() : traits::inf();
+
+  mantissa_t mantissa = 0;
+  exponent_t exponent_offset = 0;
+
+  while (isdigit(*s)) {
+    if (mantissa < traits::mantissa_max / 10)
+      mantissa = mantissa * 10 + (*s - '0');
+    else
+      exponent_offset++;
+    s++;
+  }
+
+  if (*s == '.') {
+    s++;
+    while (isdigit(*s)) {
+      if (mantissa < traits::mantissa_max / 10) {
+        mantissa = mantissa * 10 + (*s - '0');
+        exponent_offset--;
+      }
+      s++;
+    }
+  }
+
+  int exponent = 0;
+  if (*s == 'e' || *s == 'E') {
+    s++;
+    bool negative_exponent = false;
+    if (*s == '-') {
+      negative_exponent = true;
+      s++;
+    } else if (*s == '+') {
+      s++;
+    }
+
+    while (isdigit(*s)) {
+      exponent = exponent * 10 + (*s - '0');
+      if (exponent + exponent_offset > traits::exponent_max) {
+        if (negative_exponent)
+          return negative_result ? -0.0f : 0.0f;
+        else
+          return negative_result ? -traits::inf() : traits::inf();
+      }
+      s++;
+    }
+    if (negative_exponent) exponent = -exponent;
+  }
+  exponent += exponent_offset;
+
+  T result = traits::make_float(static_cast<T>(mantissa), exponent);
+
+  return negative_result ? -result : result;
+}
+}
+}

src/ArduinoJson/Polyfills/parseInteger.hpp

@@ -0,0 +1,41 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include <stdlib.h>
+
+#include "../Configuration.hpp"
+#include "./ctype.hpp"
+
+namespace ArduinoJson {
+namespace Polyfills {
+template <typename T>
+T parseInteger(const char *s) {
+  if (!s) return 0;  // NULL
+
+  if (*s == 't') return 1;  // "true"
+
+  T result = 0;
+  bool negative_result = false;
+
+  switch (*s) {
+    case '-':
+      negative_result = true;
+      s++;
+      break;
+    case '+':
+      s++;
+      break;
+  }
+
+  while (isdigit(*s)) {
+    result = T(result * 10 + T(*s - '0'));
+    s++;
+  }
+
+  return negative_result ? T(~result + 1) : result;
+}
+}
+}

src/ArduinoJson/RawJson.hpp

@@ -1,9 +1,6 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 

src/ArduinoJson/Serialization/DummyPrint.hpp

@@ -1,23 +1,22 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
-#include "../Print.hpp"
-
 namespace ArduinoJson {
 namespace Internals {
 
 // A dummy Print implementation used in JsonPrintable::measureLength()
-class DummyPrint : public Print {
+class DummyPrint {
  public:
-  virtual size_t write(uint8_t) {
+  size_t print(char) {
     return 1;
   }
+
+  size_t print(const char* s) {
+    return strlen(s);
+  }
 };
 }
 }

src/ArduinoJson/Serialization/DynamicStringBuilder.hpp

@@ -1,13 +1,9 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
-#include "../Print.hpp"
 #include "../StringTraits/StringTraits.hpp"
 
 namespace ArduinoJson {
@@ -15,15 +11,21 @@ namespace Internals {
 
 // A Print implementation that allows to write in a String
 template <typename TString>
-class DynamicStringBuilder : public Print {
+class DynamicStringBuilder {
  public:
   DynamicStringBuilder(TString &str) : _str(str) {}
 
-  virtual size_t write(uint8_t c) {
-    StringTraits<TString>::append(_str, static_cast<char>(c));
+  size_t print(char c) {
+    StringTraits<TString>::append(_str, c);
     return 1;
   }
 
+  size_t print(const char *s) {
+    size_t initialLen = _str.length();
+    StringTraits<TString>::append(_str, s);
+    return _str.length() - initialLen;
+  }
+
  private:
   DynamicStringBuilder &operator=(const DynamicStringBuilder &);
 

src/ArduinoJson/Serialization/FloatParts.hpp

@@ -0,0 +1,89 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+
+#pragma once
+
+#include "../Configuration.hpp"
+#include "../Polyfills/math.hpp"
+#include "../TypeTraits/FloatTraits.hpp"
+
+namespace ArduinoJson {
+namespace Internals {
+
+template <typename TFloat>
+struct FloatParts {
+  uint32_t integral;
+  uint32_t decimal;
+  int16_t exponent;
+  int8_t decimalPlaces;
+
+  FloatParts(TFloat value) {
+    uint32_t maxDecimalPart = sizeof(TFloat) >= 8 ? 1000000000 : 1000000;
+    decimalPlaces = sizeof(TFloat) >= 8 ? 9 : 6;
+
+    exponent = normalize(value);
+
+    integral = uint32_t(value);
+    // reduce number of decimal places by the number of integral places
+    for (uint32_t tmp = integral; tmp >= 10; tmp /= 10) {
+      maxDecimalPart /= 10;
+      decimalPlaces--;
+    }
+
+    TFloat remainder = (value - TFloat(integral)) * TFloat(maxDecimalPart);
+
+    decimal = uint32_t(remainder);
+    remainder = remainder - TFloat(decimal);
+
+    // rounding:
+    // increment by 1 if remainder >= 0.5
+    decimal += uint32_t(remainder * 2);
+    if (decimal >= maxDecimalPart) {
+      decimal = 0;
+      integral++;
+      if (exponent && integral >= 10) {
+        exponent++;
+        integral = 1;
+      }
+    }
+
+    // remove trailing zeros
+    while (decimal % 10 == 0 && decimalPlaces > 0) {
+      decimal /= 10;
+      decimalPlaces--;
+    }
+  }
+
+  static int16_t normalize(TFloat& value) {
+    typedef TypeTraits::FloatTraits<TFloat> traits;
+    int16_t powersOf10 = 0;
+
+    int8_t index = sizeof(TFloat) == 8 ? 8 : 5;
+    int bit = 1 << index;
+
+    if (value >= ARDUINOJSON_POSITIVE_EXPONENTIATION_THRESHOLD) {
+      for (; index >= 0; index--) {
+        if (value >= traits::positiveBinaryPowerOfTen(index)) {
+          value *= traits::negativeBinaryPowerOfTen(index);
+          powersOf10 = int16_t(powersOf10 + bit);
+        }
+        bit >>= 1;
+      }
+    }
+
+    if (value > 0 && value <= ARDUINOJSON_NEGATIVE_EXPONENTIATION_THRESHOLD) {
+      for (; index >= 0; index--) {
+        if (value < traits::negativeBinaryPowerOfTenPlusOne(index)) {
+          value *= traits::positiveBinaryPowerOfTen(index);
+          powersOf10 = int16_t(powersOf10 - bit);
+        }
+        bit >>= 1;
+      }
+    }
+
+    return powersOf10;
+  }
+};
+}
+}

src/ArduinoJson/Serialization/IndentedPrint.hpp

@@ -1,21 +1,17 @@
+// ArduinoJson - arduinojson.org
 // Copyright Benoit Blanchon 2014-2017
 // MIT License
-//
-// Arduino JSON library
-// https://github.com/bblanchon/ArduinoJson
-// If you like this project, please add a star!
 
 #pragma once
 
-#include "../Print.hpp"
-
 namespace ArduinoJson {
 namespace Internals {
 
 // 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 {
+template <typename Print>
+class IndentedPrint {
  public:
   explicit IndentedPrint(Print &p) : sink(&p) {
     level = 0;
@@ -23,14 +19,21 @@ class IndentedPrint : public Print {
     isNewLine = true;
   }
 
-  virtual size_t write(uint8_t c) {
+  size_t print(char c) {
     size_t n = 0;
     if (isNewLine) n += writeTabs();
-    n += sink->write(c);
+    n += sink->print(c);
     isNewLine = c == '\n';
     return n;
   }
 
+  size_t print(const char *s) {
+    // TODO: optimize
+    size_t n = 0;
+    while (*s) n += print(*s++);
+    return n;
+  }
+
   // Adds one level of indentation
   void indent() {
     if (level < MAX_LEVEL) level++;
@@ -54,7 +57,7 @@ class IndentedPrint : public Print {
 
   size_t writeTabs() {
     size_t n = 0;
-    for (int i = 0; i < level * tabSize; i++) n += sink->write(' ');
+    for (int i = 0; i < level * tabSize; i++) n += sink->print(' ');
     return n;
   }