42 lines
663 B
C++
42 lines
663 B
C++
// 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;
|
|
}
|
|
}
|
|
}
|