nur-sery/nur_src/io/json/JsonReader.php

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2023-12-03 22:10:18 +04:00
<?php
namespace nur\io\json;
use IteratorAggregate;
use nur\A;
use nur\b\ICloseable;
use nur\b\io\EOFException;
use nur\b\io\IReader;
use nur\b\params\Parametrable;
use nur\b\params\Tparametrable;
use nur\reader;
/**
* Class JsonReader
*
* --autogen-properties-and-methods--
* @method bool isParseWhole()
* @method setInput($value)
* @method bool setParseWhole(bool $value)
*/
class JsonReader extends Parametrable implements IteratorAggregate, ICloseable {
use Tparametrable;
function __construct($input=null, ?array $params=null) {
A::set_nn($params, "input", $input);
parent::__construct($params);
}
const PARAMETRABLE_PARAMS_SCHEMA = [
"input" => [null, null, "fichier en entrée"],
"parse_whole" => ["bool", false, "faut-il analyser le fichier en une seule fois au lieu de 'un objet par ligne'"],
];
protected $ppInput;
function pp_setInput($input): void {
if ($input instanceof IReader) $this->reader = $input;
else $this->ppInput = $input;
}
/** @var bool */
protected $ppParseWhole;
/** @var IReader */
protected $reader;
function getIterator() {
$reader = $this->reader;
if ($reader === null) $reader = $this->reader = reader::with($this->ppInput);
try {
$flags = JSON_THROW_ON_ERROR;
if ($this->ppParseWhole) {
$contents = $reader->getContents();
yield json_decode($contents, true, 512, $flags);
} else {
while (true) {
try {
$line = $reader->readLine();
yield json_decode($line, true, 512, $flags);
} catch (EOFException $e) {
break;
}
}
}
} finally {
$this->close();
}
}
function close(): void {
if ($this->reader !== null) {
$this->reader->close();
$this->reader = null;
}
}
#############################################################################
const _AUTOGEN_CONSTS = [
"" => [self::class, "_AUTOGEN_CONSTS", self::class],
];
const _AUTOGEN_LITERALS = /*autogen*/[
[
\nur\b\params\parametrable_utils::class,
'\\nur\\b\\params\\parametrable_utils::class',
],
[self::class, 'self::class'],
[
self::PARAMETRABLE_PARAMS_SCHEMA,
'self::PARAMETRABLE_PARAMS_SCHEMA',
],
];
const _AUTOGEN_METHODS = /*autogen*/[
[
\nur\b\params\parametrable_utils::class,
'_autogen_methods_getters',
self::PARAMETRABLE_PARAMS_SCHEMA,
self::class,
],
[
\nur\b\params\parametrable_utils::class,
'_autogen_methods_setters',
self::PARAMETRABLE_PARAMS_SCHEMA,
self::class,
],
];
const _AUTO_GETTERS = /*autogen*/[
'isParseWhole' => 'parse_whole',
];
const _AUTO_SETTERS = /*autogen*/[
'setInput' => 'input',
'setParseWhole' => 'parse_whole',
];
#--autogen-dynamic--
}