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40 lines
696 B
C++
40 lines
696 B
C++
// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2018
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// MIT License
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#pragma once
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#include <stdlib.h>
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#include "../Configuration.hpp"
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#include "../Polyfills/ctype.hpp"
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namespace ARDUINOJSON_NAMESPACE {
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template <typename T>
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T parseInteger(const char *s) {
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if (!s) return 0; // NULL
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if (*s == 't') return 1; // "true"
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T result = 0;
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bool negative_result = false;
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switch (*s) {
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case '-':
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negative_result = true;
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s++;
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break;
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case '+':
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s++;
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break;
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}
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while (isdigit(*s)) {
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result = T(result * 10 + T(*s - '0'));
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s++;
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}
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return negative_result ? T(~result + 1) : result;
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}
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} // namespace ARDUINOJSON_NAMESPACE
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