/**
* Analyze row of input data & create $this->struct
*
* @param mixed $row
* @param string $type
* @return void
*/
protected function analyzeRow($row, $type)
{
// Current row's structure
$struct = [];
$rowType = $this->getType($row);
// If the row is scalar, make it a {"data" => $value} object
if (is_scalar($row)) {
$struct[Parser::DATA_COLUMN] = $this->getType($row);
} elseif (is_object($row)) {
// process each property of the object
foreach ($row as $key => $field) {
$fieldType = $this->getType($field);
if ($fieldType == "object") {
// Only assign the type if the object isn't empty
if (Utils::isEmptyObject($field)) {
continue;
}
$this->analyzeRow($field, $type . "." . $key);
} elseif ($fieldType == "array") {
$arrayType = $this->analyze($field, $type . "." . $key);
if (false !== $arrayType) {
$fieldType = 'arrayOf' . $arrayType;
} else {
$fieldType = 'NULL';
}
}
$struct[$key] = $fieldType;
}
} elseif ($this->nestedArrayAsJson && is_array($row)) {
$this->log->log("WARNING", "Unsupported array nesting in '{$type}'! Converting to JSON string.", ['row' => $row]);
$rowType = $struct[Parser::DATA_COLUMN] = 'string';
} elseif (is_null($row)) {
// do nothing
} else {
throw new JsonParserException("Unsupported data row in '{$type}'!", ['row' => $row]);
}
$this->getStruct()->add($type, $struct);
return $rowType;
}
