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

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+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2020
+// MIT License
+
+#pragma once
+
+namespace ARDUINOJSON_NAMESPACE {
+
+class FlashStringIterator {
+ public:
+  explicit FlashStringIterator(const __FlashStringHelper* ptr)
+      : _ptr(reinterpret_cast<const char*>(ptr)) {}
+
+  explicit FlashStringIterator(const char* ptr) : _ptr(ptr) {}
+
+  FlashStringIterator operator+(ptrdiff_t d) const {
+    return FlashStringIterator(_ptr + d);
+  }
+
+  ptrdiff_t operator-(FlashStringIterator other) const {
+    return _ptr - other._ptr;
+  }
+
+  FlashStringIterator operator++(int) {
+    return FlashStringIterator(_ptr++);
+  }
+
+  FlashStringIterator operator++() {
+    return FlashStringIterator(++_ptr);
+  }
+
+  bool operator!=(FlashStringIterator other) const {
+    return _ptr != other._ptr;
+  }
+
+  char operator*() const {
+    return char(pgm_read_byte(_ptr));
+  }
+
+ private:
+  const char* _ptr;
+};
+
+}  // namespace ARDUINOJSON_NAMESPACE