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ArduinoJson/JsonParser/JsonObjectBase.cpp

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/*
* Arduino JSON library
* Benoit Blanchon 2014 - MIT License
*/
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#include <stdlib.h> // for strtol, strtod
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#include "JsonObjectBase.h"
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using namespace ArduinoJson::Parser;
int JsonObjectBase::getNestedTokenCount(jsmntok_t* token)
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{
int tokensToVisit = token->size;
int count = 0;
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while (tokensToVisit)
{
count++;
token++;
tokensToVisit--;
tokensToVisit += token->size;
}
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return count;
}
bool JsonObjectBase::getBoolFromToken(jsmntok_t* token)
{
if (token == 0 || token->type != JSMN_PRIMITIVE) return 0;
// "true"
if (json[token->start] == 't') return true;
// "false"
if (json[token->start] == 'f') return false;
// "null"
if (json[token->start] == 'n') return false;
// number
return strtol(json + token->start, 0, 0) != 0;
}
double JsonObjectBase::getDoubleFromToken(jsmntok_t* token)
{
if (token == 0 || token->type != JSMN_PRIMITIVE) return 0;
return strtod(json + token->start, 0);
}
long JsonObjectBase::getLongFromToken(jsmntok_t* token)
{
if (token == 0 || token->type != JSMN_PRIMITIVE) return 0;
return strtol(json + token->start, 0, 0);
}
char* JsonObjectBase::getStringFromToken(jsmntok_t* token)
{
if (token == 0 || token->type != JSMN_PRIMITIVE && token->type != JSMN_STRING)
return 0;
// add null terminator to the string
json[token->end] = 0;
return json + token->start;
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}