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