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-rw-r--r--include/lib/ArduinoJson/Data/Encoding.hpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/include/lib/ArduinoJson/Data/Encoding.hpp b/include/lib/ArduinoJson/Data/Encoding.hpp
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+++ b/include/lib/ArduinoJson/Data/Encoding.hpp
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+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+namespace ArduinoJson {
+namespace Internals {
+
+class Encoding {
+ public:
+ // Optimized for code size on a 8-bit AVR
+ static char escapeChar(char c) {
+ const char *p = escapeTable(false);
+ 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(true);
+ for (;;) {
+ if (p[0] == '\0') return c;
+ if (p[0] == c) return p[1];
+ p += 2;
+ }
+ }
+
+ private:
+ static const char *escapeTable(bool excludeIdenticals) {
+ return &"\"\"\\\\b\bf\fn\nr\rt\t"[excludeIdenticals ? 4 : 0];
+ }
+};
+}
+}