初始化提交
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Namespace.hpp>
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namespace ARDUINOJSON_NAMESPACE {
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template <typename TWriter>
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class CountingDecorator {
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public:
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explicit CountingDecorator(TWriter& writer) : _writer(writer), _count(0) {}
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void write(uint8_t c) {
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_count += _writer.write(c);
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}
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void write(const uint8_t* s, size_t n) {
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_count += _writer.write(s, n);
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}
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size_t count() const {
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return _count;
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}
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private:
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TWriter _writer;
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size_t _count;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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@@ -0,0 +1,47 @@
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Namespace.hpp>
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namespace ARDUINOJSON_NAMESPACE {
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// The default writer is a simple wrapper for Writers that are not copiable
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template <typename TDestination, typename Enable = void>
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class Writer {
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public:
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explicit Writer(TDestination& dest) : _dest(&dest) {}
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size_t write(uint8_t c) {
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return _dest->write(c);
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}
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size_t write(const uint8_t* s, size_t n) {
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return _dest->write(s, n);
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}
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private:
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TDestination* _dest;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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#include <ArduinoJson/Serialization/Writers/StaticStringWriter.hpp>
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#if ARDUINOJSON_ENABLE_STD_STRING
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#include <ArduinoJson/Serialization/Writers/StdStringWriter.hpp>
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#endif
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#if ARDUINOJSON_ENABLE_ARDUINO_STRING
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#include <ArduinoJson/Serialization/Writers/ArduinoStringWriter.hpp>
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#endif
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#if ARDUINOJSON_ENABLE_STD_STREAM
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#include <ArduinoJson/Serialization/Writers/StdStreamWriter.hpp>
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#endif
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#if ARDUINOJSON_ENABLE_ARDUINO_PRINT
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#include <ArduinoJson/Serialization/Writers/PrintWriter.hpp>
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#endif
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@@ -0,0 +1,52 @@
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <Arduino.h>
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namespace ARDUINOJSON_NAMESPACE {
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template <>
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class Writer< ::String, void> {
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static const size_t bufferCapacity = ARDUINOJSON_STRING_BUFFER_SIZE;
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public:
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explicit Writer(::String &str) : _destination(&str) {
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_size = 0;
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}
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~Writer() {
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flush();
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}
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size_t write(uint8_t c) {
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ARDUINOJSON_ASSERT(_size < bufferCapacity);
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_buffer[_size++] = static_cast<char>(c);
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if (_size + 1 >= bufferCapacity)
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flush();
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return 1;
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}
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size_t write(const uint8_t *s, size_t n) {
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for (size_t i = 0; i < n; i++) {
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write(s[i]);
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}
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return n;
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}
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private:
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void flush() {
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ARDUINOJSON_ASSERT(_size < bufferCapacity);
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_buffer[_size] = 0;
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*_destination += _buffer;
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_size = 0;
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}
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::String *_destination;
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char _buffer[bufferCapacity];
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size_t _size;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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@@ -0,0 +1,21 @@
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Namespace.hpp>
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namespace ARDUINOJSON_NAMESPACE {
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class DummyWriter {
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public:
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size_t write(uint8_t) {
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return 1;
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}
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size_t write(const uint8_t*, size_t n) {
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return n;
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}
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};
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} // namespace ARDUINOJSON_NAMESPACE
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@@ -0,0 +1,28 @@
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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namespace ARDUINOJSON_NAMESPACE {
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template <typename TDestination>
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class Writer<
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TDestination,
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typename enable_if<is_base_of< ::Print, TDestination>::value>::type> {
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public:
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explicit Writer(::Print& print) : _print(&print) {}
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size_t write(uint8_t c) {
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return _print->write(c);
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}
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size_t write(const uint8_t* s, size_t n) {
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return _print->write(s, n);
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}
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private:
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::Print* _print;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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@@ -0,0 +1,40 @@
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Namespace.hpp>
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namespace ARDUINOJSON_NAMESPACE {
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// A Print implementation that allows to write in a char[]
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class StaticStringWriter {
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public:
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StaticStringWriter(char *buf, size_t size) : end(buf + size - 1), p(buf) {
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*p = '\0';
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}
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size_t write(uint8_t c) {
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if (p >= end)
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return 0;
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*p++ = static_cast<char>(c);
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*p = '\0';
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return 1;
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}
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size_t write(const uint8_t *s, size_t n) {
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char *begin = p;
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while (p < end && n > 0) {
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*p++ = static_cast<char>(*s++);
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n--;
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}
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*p = '\0';
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return size_t(p - begin);
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}
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private:
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char *end;
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char *p;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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@@ -0,0 +1,32 @@
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ostream>
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namespace ARDUINOJSON_NAMESPACE {
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template <typename TDestination>
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class Writer<
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TDestination,
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typename enable_if<is_base_of<std::ostream, TDestination>::value>::type> {
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public:
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explicit Writer(std::ostream& os) : _os(&os) {}
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size_t write(uint8_t c) {
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_os->put(static_cast<char>(c));
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return 1;
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}
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size_t write(const uint8_t* s, size_t n) {
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_os->write(reinterpret_cast<const char*>(s),
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static_cast<std::streamsize>(n));
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return n;
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}
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private:
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std::ostream* _os;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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@@ -0,0 +1,40 @@
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Namespace.hpp>
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#include <ArduinoJson/Polyfills/type_traits.hpp>
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#include <string>
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namespace ARDUINOJSON_NAMESPACE {
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template <class T>
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struct is_std_string : false_type {};
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template <class TCharTraits, class TAllocator>
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struct is_std_string<std::basic_string<char, TCharTraits, TAllocator> >
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: true_type {};
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template <typename TDestination>
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class Writer<TDestination,
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typename enable_if<is_std_string<TDestination>::value>::type> {
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public:
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Writer(TDestination &str) : _str(&str) {}
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size_t write(uint8_t c) {
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_str->operator+=(static_cast<char>(c));
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return 1;
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}
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size_t write(const uint8_t *s, size_t n) {
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_str->append(reinterpret_cast<const char *>(s), n);
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return n;
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}
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private:
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TDestination *_str;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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@@ -0,0 +1,18 @@
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Serialization/Writers/DummyWriter.hpp>
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namespace ARDUINOJSON_NAMESPACE {
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template <template <typename> class TSerializer, typename TSource>
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size_t measure(const TSource &source) {
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DummyWriter dp;
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TSerializer<DummyWriter> serializer(dp);
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return source.accept(serializer);
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}
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} // namespace ARDUINOJSON_NAMESPACE
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@@ -0,0 +1,43 @@
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Serialization/Writer.hpp>
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namespace ARDUINOJSON_NAMESPACE {
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template <template <typename> class TSerializer, typename TSource,
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typename TWriter>
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size_t doSerialize(const TSource &source, TWriter writer) {
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TSerializer<TWriter> serializer(writer);
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return source.accept(serializer);
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}
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template <template <typename> class TSerializer, typename TSource,
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typename TDestination>
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size_t serialize(const TSource &source, TDestination &destination) {
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Writer<TDestination> writer(destination);
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return doSerialize<TSerializer>(source, writer);
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}
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template <template <typename> class TSerializer, typename TSource>
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size_t serialize(const TSource &source, void *buffer, size_t bufferSize) {
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StaticStringWriter writer(reinterpret_cast<char *>(buffer), bufferSize);
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return doSerialize<TSerializer>(source, writer);
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}
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template <template <typename> class TSerializer, typename TSource,
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typename TChar, size_t N>
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#if defined _MSC_VER && _MSC_VER < 1900
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typename enable_if<sizeof(remove_reference<TChar>::type) == 1, size_t>::type
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#else
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typename enable_if<sizeof(TChar) == 1, size_t>::type
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#endif
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serialize(const TSource &source, TChar (&buffer)[N]) {
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StaticStringWriter writer(reinterpret_cast<char *>(buffer), N);
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return doSerialize<TSerializer>(source, writer);
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}
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} // namespace ARDUINOJSON_NAMESPACE
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