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lib/ArduinoStreamUtils/src/StreamUtils/Clients/MemoryClient.hpp

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+// StreamUtils - github.com/bblanchon/ArduinoStreamUtils
+// Copyright Benoit Blanchon 2019-2021
+// MIT License
+
+#pragma once
+
+#include <Client.h>
+
+#include "../Buffers/CircularBuffer.hpp"
+#include "../Configuration.hpp"
+#include "../Ports/DefaultAllocator.hpp"
+#include "../Streams/MemoryStream.hpp"
+
+namespace StreamUtils {
+
+template <typename TAllocator>
+class BasicMemoryClient : public Client {
+ public:
+  BasicMemoryClient(size_t capacity, TAllocator allocator = TAllocator())
+      : _stream(capacity, allocator), _connected(false) {}
+
+  BasicMemoryClient(const BasicMemoryClient &src) : _stream(src._stream) {}
+
+  // --- Print ---
+
+  size_t write(uint8_t data) override {
+    return _stream.write(data);
+  }
+
+  size_t write(const uint8_t *data, size_t size) override {
+    return _stream.write(data, size);
+  }
+
+  // --- Stream ---
+
+  int available() override {
+    return _stream.available();
+  }
+
+  int peek() override {
+    return _stream.peek();
+  }
+
+  int read() override {
+    return _stream.read();
+  }
+
+#if STREAMUTILS_STREAM_READBYTES_IS_VIRTUAL
+  size_t readBytes(char *data, size_t size) override {
+    return _stream.readBytes(data, size);
+  }
+#endif
+
+  void flush() override {
+    _stream.flush();
+  }
+
+  // --- Client ---
+
+  int connect(IPAddress, uint16_t) override {
+    _connected = true;
+    return 1;
+  }
+
+  int connect(const char *, uint16_t) override {
+    _connected = true;
+    return 1;
+  }
+
+  uint8_t connected() override {
+    return _connected;
+  }
+
+  void stop() override {
+    _connected = false;
+  }
+
+  operator bool() override {
+    return true;
+  }
+
+  int read(uint8_t *buf, size_t size) override {
+    return _stream.readBytes(reinterpret_cast<char *>(buf), size);
+  }
+
+ private:
+  BasicMemoryStream<TAllocator> _stream;
+  bool _connected;
+};
+using MemoryClient = BasicMemoryClient<DefaultAllocator>;
+
+}  // namespace StreamUtils