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arduino-cli/libraries/ArduinoJson_6.x/ArduinoJson/Json/EscapeSequence.hpp

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+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2020
+// MIT License
+
+#pragma once
+
+#include <ArduinoJson/Namespace.hpp>
+
+namespace ARDUINOJSON_NAMESPACE {
+
+class EscapeSequence {
+ public:
+  // Optimized for code size on a 8-bit AVR
+  static char escapeChar(char c) {
+    const char *p = escapeTable(true);
+    while (p[0] && p[1] != c) {
+      p += 2;
+    }
+    return p[0];
+  }
+
+  // Optimized for code size on a 8-bit AVR
+  static char unescapeChar(char c) {
+    const char *p = escapeTable(false);
+    for (;;) {
+      if (p[0] == '\0')
+        return 0;
+      if (p[0] == c)
+        return p[1];
+      p += 2;
+    }
+  }
+
+ private:
+  static const char *escapeTable(bool excludeSolidus) {
+    return &"//\"\"\\\\b\bf\fn\nr\rt\t"[excludeSolidus ? 2 : 0];
+  }
+};
+}  // namespace ARDUINOJSON_NAMESPACE