Timothy J. Warren
9224751d2d
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144 lines
3.5 KiB
PHP
144 lines
3.5 KiB
PHP
<?php declare(strict_types=1);
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/**
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* Hummingbird Anime List Client
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*
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* An API client for Kitsu to manage anime and manga watch lists
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*
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* PHP version 8
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*
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* @package HummingbirdAnimeClient
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* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2015 - 2021 Timothy J. Warren
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @version 5.2
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* @link https://git.timshomepage.net/timw4mail/HummingBirdAnimeClient
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*/
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namespace Aviat\Ion;
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use Aviat\Ion\Type\StringType;
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/**
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* Helper class for json convenience methods
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*/
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class Json {
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/**
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* Encode data in json format
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*
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* @param mixed $data
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* @param int $options
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* @param int $depth
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* @throws JsonException
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* @return string
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*/
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public static function encode(mixed $data, int $options = 0, int $depth = 512): string
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{
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$json = json_encode($data, $options, $depth);
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self::check_json_error();
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return ($json !== FALSE) ? $json : '';
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}
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/**
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* Encode data in json format and save to a file
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*
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* @param string $filename
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* @param mixed $data
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* @param int $jsonOptions - Options to pass to json_encode
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* @param int $fileOptions - Options to pass to file_get_contents
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* @throws JsonException
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* @return bool
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*/
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public static function encodeFile(string $filename, mixed $data, int $jsonOptions = 0, int $fileOptions = 0): bool
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{
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$json = self::encode($data, $jsonOptions);
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$res = file_put_contents($filename, $json, $fileOptions);
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return $res !== FALSE;
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}
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/**
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* Decode data from json
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*
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* @param string|null $json
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* @param bool $assoc
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* @param int $depth
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* @param int $options
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* @throws JsonException
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* @return mixed
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*/
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public static function decode(?string $json, bool $assoc = TRUE, int $depth = 512, int $options = 0): mixed
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{
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// Don't try to decode null
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if ($json === NULL)
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{
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return NULL;
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}
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$data = json_decode($json, $assoc, $depth, $options);
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self::check_json_error();
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return $data;
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}
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/**
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* Decode json data loaded from the passed filename
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*
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* @param string $filename
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* @param bool $assoc
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* @param int $depth
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* @param int $options
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* @throws JsonException
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* @return mixed
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*/
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public static function decodeFile(string $filename, bool $assoc = TRUE, int $depth = 512, int $options = 0): mixed
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{
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$rawJson = file_get_contents($filename);
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$json = ($rawJson !== FALSE) ? $rawJson : '';
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return self::decode($json, $assoc, $depth, $options);
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}
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/**
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* Determines whether a string is valid json
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*
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* @param string $string
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* @throws \InvalidArgumentException
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* @return boolean
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*/
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public static function isJson(string $string): bool
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{
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return StringType::create($string)->isJson();
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}
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/**
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* Call the json error functions to check for errors encoding/decoding
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*
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* @throws JsonException
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* @return void
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*/
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protected static function check_json_error(): void
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{
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$constant_map = [
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JSON_ERROR_NONE => 'JSON_ERROR_NONE',
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JSON_ERROR_DEPTH => 'JSON_ERROR_DEPTH',
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JSON_ERROR_STATE_MISMATCH => 'JSON_ERROR_STATE_MISMATCH',
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JSON_ERROR_CTRL_CHAR => 'JSON_ERROR_CTRL_CHAR',
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JSON_ERROR_SYNTAX => 'JSON_ERROR_SYNTAX',
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JSON_ERROR_UTF8 => 'JSON_ERROR_UTF8',
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JSON_ERROR_RECURSION => 'JSON_ERROR_RECURSION',
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JSON_ERROR_INF_OR_NAN => 'JSON_ERROR_INF_OR_NAN',
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JSON_ERROR_UNSUPPORTED_TYPE => 'JSON_ERROR_UNSUPPORTED_TYPE'
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];
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$error = json_last_error();
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$message = json_last_error_msg();
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if (JSON_ERROR_NONE !== $error)
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{
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throw new JsonException("{$constant_map[$error]} - {$message}", $error);
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}
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}
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}
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// End of JSON.php
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