diff options
author | Daniel Friesel <derf@finalrewind.org> | 2018-09-17 10:02:07 +0200 |
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committer | Daniel Friesel <derf@finalrewind.org> | 2018-09-17 10:02:07 +0200 |
commit | 4f6253aa9fec99260b8bb7b9b2e9003f5259b600 (patch) | |
tree | 2d0a3fdd10e258ecce5fb220547b1c43b870d6d2 /include/lib/ArduinoJson/Polyfills/parseInteger.hpp | |
parent | 30c4f72770568749b4230a6b598e3fb87a065e91 (diff) |
Import arduinojson and ubjson. Only partially working at the moment
Diffstat (limited to 'include/lib/ArduinoJson/Polyfills/parseInteger.hpp')
-rw-r--r-- | include/lib/ArduinoJson/Polyfills/parseInteger.hpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/lib/ArduinoJson/Polyfills/parseInteger.hpp b/include/lib/ArduinoJson/Polyfills/parseInteger.hpp new file mode 100644 index 0000000..e8f1974 --- /dev/null +++ b/include/lib/ArduinoJson/Polyfills/parseInteger.hpp @@ -0,0 +1,41 @@ +// ArduinoJson - arduinojson.org +// Copyright Benoit Blanchon 2014-2018 +// MIT License + +#pragma once + +#include <stdlib.h> + +#include "../Configuration.hpp" +#include "./ctype.hpp" + +namespace ArduinoJson { +namespace Internals { +template <typename T> +T parseInteger(const char *s) { + if (!s) return 0; // NULL + + if (*s == 't') return 1; // "true" + + T result = 0; + bool negative_result = false; + + switch (*s) { + case '-': + negative_result = true; + s++; + break; + case '+': + s++; + break; + } + + while (isdigit(*s)) { + result = T(result * 10 + T(*s - '0')); + s++; + } + + return negative_result ? T(~result + 1) : result; +} +} +} |