From efa55eb5b3d3a4942789bdf397c3a6d6226475d4 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Mon, 7 Sep 2020 12:57:22 +0200
Subject: Revert "remove external libraries from main branch"

This reverts commit 0558244645611f314f47e0fa427f7323ce253eaf.
---
 .../ArduinoJson/Deserialization/StringWriter.hpp   | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 include/lib/ArduinoJson/Deserialization/StringWriter.hpp

(limited to 'include/lib/ArduinoJson/Deserialization/StringWriter.hpp')

diff --git a/include/lib/ArduinoJson/Deserialization/StringWriter.hpp b/include/lib/ArduinoJson/Deserialization/StringWriter.hpp
new file mode 100644
index 0000000..fd5507e
--- /dev/null
+++ b/include/lib/ArduinoJson/Deserialization/StringWriter.hpp
@@ -0,0 +1,41 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+namespace ArduinoJson {
+namespace Internals {
+
+template <typename TChar>
+class StringWriter {
+ public:
+  class String {
+   public:
+    String(TChar** ptr) : _writePtr(ptr), _startPtr(*ptr) {}
+
+    void append(char c) {
+      *(*_writePtr)++ = TChar(c);
+    }
+
+    const char* c_str() const {
+      *(*_writePtr)++ = 0;
+      return reinterpret_cast<const char*>(_startPtr);
+    }
+
+   private:
+    TChar** _writePtr;
+    TChar* _startPtr;
+  };
+
+  StringWriter(TChar* buffer) : _ptr(buffer) {}
+
+  String startString() {
+    return String(&_ptr);
+  }
+
+ private:
+  TChar* _ptr;
+};
+}
+}
-- 
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