forked from bblanchon/ArduinoJson
63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
/*
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* malloc-free JSON parser for Arduino
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* Benoit Blanchon 2014
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* MIT License
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*/
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#include "JsonObjectBase.h"
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#include <stdlib.h> // for strtol, strtod
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int JsonObjectBase::getNestedTokenCount(jsmntok_t* token)
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{
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int count = 0;
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for (int i = 0; i < token->size; i++)
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{
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count += 1 + getNestedTokenCount(token + 1 + i);
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}
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return count;
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}
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bool JsonObjectBase::getBoolFromToken(jsmntok_t* token)
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{
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if (token->type != JSMN_PRIMITIVE) return 0;
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// "true"
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if (json[token->start] == 't') return true;
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// "false"
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if (json[token->start] == 'f') return false;
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// "null"
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if (json[token->start] == 'n') return false;
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// number
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return strtol(json + token->start, 0, 0) != 0;
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}
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double JsonObjectBase::getDoubleFromToken(jsmntok_t* token)
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{
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if (token == 0 || token->type != JSMN_PRIMITIVE) return 0;
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return strtod(json + token->start, 0);
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}
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long JsonObjectBase::getLongFromToken(jsmntok_t* token)
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{
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if (token == 0 || token->type != JSMN_PRIMITIVE) return 0;
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return strtol(json + token->start, 0, 0);
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}
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char* JsonObjectBase::getStringFromToken(jsmntok_t* token)
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{
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if (token == 0 || token->type != JSMN_PRIMITIVE && token->type != JSMN_STRING)
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return 0;
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// add null terminator to the string
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json[token->end] = 0;
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return json + token->start;
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} |