/*
* Returns the token for the value associated with the specified key
*/
jsmntok_t* JsonHashTable::getToken(const char* desiredKey)
{
// sanity check
if (json == 0 || tokens == 0 || desiredKey == 0)
return 0;
// skip first token, it's the whole object
jsmntok_t* currentToken = tokens + 1;
// scan each keys
for (int i = 0; i < tokens[0].size / 2 ; i++)
{
// get key token string
char* key = getStringFromToken(currentToken);
// compare with desired name
if (strcmp(desiredKey, key) == 0)
{
// return the value token that follows the key token
return currentToken + 1;
}
// move forward: key + value + nested tokens
currentToken += 2 + getNestedTokenCount(currentToken + 1);
}
// nothing found, return NULL
return 0;
}
int JsonObjectBase::getNestedTokenCount(jsmntok_t* token)
{
int count = 0;
for (int i = 0; i < token->size; i++)
{
count += 1 + getNestedTokenCount(token + 1 + i);
}
return count;
}
/*
* Returns the token for the value at the specified index
*/
jsmntok_t* JsonArray::getToken(int index)
{
// sanity check
if (json == 0 || tokens == 0 || index < 0 || index >= tokens[0].size)
return 0;
// skip first token, it's the whole object
jsmntok_t* currentToken = tokens + 1;
// skip all tokens before the specified index
for (int i = 0; i < index; i++)
{
// move forward: current + nested tokens
currentToken += 1 + getNestedTokenCount(currentToken);
}
return currentToken;
}