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arduino-cli/libraries/ArduinoJson_6.x/ArduinoJson/Strings/ArduinoStringAdapter.hpp

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+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2020
+// MIT License
+
+#pragma once
+
+#include <Arduino.h>
+
+#include <ArduinoJson/Polyfills/safe_strcmp.hpp>
+#include <ArduinoJson/Strings/IsString.hpp>
+#include <ArduinoJson/Strings/StoragePolicy.hpp>
+
+namespace ARDUINOJSON_NAMESPACE {
+
+class ArduinoStringAdapter {
+ public:
+  ArduinoStringAdapter(const ::String& str) : _str(&str) {}
+
+  void copyTo(char* p, size_t n) const {
+    memcpy(p, _str->c_str(), n);
+  }
+
+  bool isNull() const {
+    // Arduino's String::c_str() can return NULL
+    return !_str->c_str();
+  }
+
+  int compare(const char* other) const {
+    // Arduino's String::c_str() can return NULL
+    const char* me = _str->c_str();
+    return safe_strcmp(me, other);
+  }
+
+  bool equals(const char* expected) const {
+    return compare(expected) == 0;
+  }
+
+  size_t size() const {
+    return _str->length();
+  }
+
+  const char* begin() const {
+    return _str->c_str();
+  }
+
+  typedef storage_policies::store_by_copy storage_policy;
+
+ private:
+  const ::String* _str;
+};
+
+template <>
+struct IsString< ::String> : true_type {};
+
+template <>
+struct IsString< ::StringSumHelper> : true_type {};
+
+inline ArduinoStringAdapter adaptString(const ::String& str) {
+  return ArduinoStringAdapter(str);
+}
+
+}  // namespace ARDUINOJSON_NAMESPACE