HummingBirdAnimeClient/src/Ion/Json.php

127 lines
3.0 KiB
PHP

<?php declare(strict_types=1);
/**
* Hummingbird Anime List Client
*
* An API client for Kitsu to manage anime and manga watch lists
*
* PHP version 8
*
* @copyright 2015 - 2022 Timothy J. Warren <tim@timshome.page>
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version 5.2
* @link https://git.timshome.page/timw4mail/HummingBirdAnimeClient
*/
namespace Aviat\Ion;
use Aviat\Ion\Type\StringType;
use InvalidArgumentException;
/**
* Helper class for json convenience methods
*/
class Json
{
/**
* Encode data in json format
*
* @throws JsonException
*/
public static function encode(mixed $data, int $options = 0, int $depth = 512): string
{
$json = json_encode($data, $options, $depth);
self::check_json_error();
return ($json !== FALSE) ? $json : '';
}
/**
* Encode data in json format and save to a file
*
* @param int $jsonOptions - Options to pass to json_encode
* @param int $fileOptions - Options to pass to file_get_contents
* @throws JsonException
*/
public static function encodeFile(string $filename, mixed $data, int $jsonOptions = 0, int $fileOptions = 0): int
{
$json = self::encode($data, $jsonOptions);
$res = file_put_contents($filename, $json, $fileOptions);
return ($res !== FALSE) ? $res : 0;
}
/**
* Decode data from json
*
* @throws JsonException
*/
public static function decode(?string $json, bool $assoc = TRUE, int $depth = 512, int $options = 0): mixed
{
// Don't try to decode null
if ($json === NULL)
{
return NULL;
}
$data = json_decode($json, $assoc, $depth, $options);
self::check_json_error();
return $data;
}
/**
* Decode json data loaded from the passed filename
*
* @throws JsonException
*/
public static function decodeFile(string $filename, bool $assoc = TRUE, int $depth = 512, int $options = 0): mixed
{
$rawJson = file_get_contents($filename);
$json = ($rawJson !== FALSE) ? $rawJson : '';
return self::decode($json, $assoc, $depth, $options);
}
/**
* Determines whether a string is valid json
*
* @throws InvalidArgumentException
*/
public static function isJson(string $string): bool
{
return StringType::create($string)->isJson();
}
/**
* Call the json error functions to check for errors encoding/decoding
*
* @throws JsonException
*/
protected static function check_json_error(): void
{
$constant_map = [
JSON_ERROR_NONE => 'JSON_ERROR_NONE',
JSON_ERROR_DEPTH => 'JSON_ERROR_DEPTH',
JSON_ERROR_STATE_MISMATCH => 'JSON_ERROR_STATE_MISMATCH',
JSON_ERROR_CTRL_CHAR => 'JSON_ERROR_CTRL_CHAR',
JSON_ERROR_SYNTAX => 'JSON_ERROR_SYNTAX',
JSON_ERROR_UTF8 => 'JSON_ERROR_UTF8',
JSON_ERROR_RECURSION => 'JSON_ERROR_RECURSION',
JSON_ERROR_INF_OR_NAN => 'JSON_ERROR_INF_OR_NAN',
JSON_ERROR_UNSUPPORTED_TYPE => 'JSON_ERROR_UNSUPPORTED_TYPE',
];
$error = json_last_error();
$message = json_last_error_msg();
if (JSON_ERROR_NONE !== $error)
{
throw new JsonException("{$constant_map[$error]} - {$message}", $error);
}
}
}
// End of JSON.php