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

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+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2020
+// MIT License
+
+#pragma once
+
+#include <ArduinoJson/Namespace.hpp>
+#include <ArduinoJson/Strings/FlashStringIterator.hpp>
+#include <ArduinoJson/Strings/IsString.hpp>
+#include <ArduinoJson/Strings/StoragePolicy.hpp>
+
+namespace ARDUINOJSON_NAMESPACE {
+
+class SizedFlashStringAdapter {
+ public:
+  SizedFlashStringAdapter(const __FlashStringHelper* str, size_t sz)
+      : _str(str), _size(sz) {}
+
+  int compare(const char* other) const {
+    if (!other && !_str)
+      return 0;
+    if (!_str)
+      return -1;
+    if (!other)
+      return 1;
+    return -strncmp_P(other, reinterpret_cast<const char*>(_str), _size);
+  }
+
+  bool equals(const char* expected) const {
+    return compare(expected) == 0;
+  }
+
+  bool isNull() const {
+    return !_str;
+  }
+
+  void copyTo(char* p, size_t n) const {
+    memcpy_P(p, reinterpret_cast<const char*>(_str), n);
+  }
+
+  size_t size() const {
+    return _size;
+  }
+
+  FlashStringIterator begin() const {
+    return FlashStringIterator(_str);
+  }
+
+  typedef storage_policies::store_by_copy storage_policy;
+
+ private:
+  const __FlashStringHelper* _str;
+  size_t _size;
+};
+
+inline SizedFlashStringAdapter adaptString(const __FlashStringHelper* str,
+                                           size_t sz) {
+  return SizedFlashStringAdapter(str, sz);
+}
+}  // namespace ARDUINOJSON_NAMESPACE