generated from jric11/baseProject
71 lines
1.9 KiB
PHP
71 lines
1.9 KiB
PHP
<?php
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/**
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* EmptyReadStreamWrapper.php
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*
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* @since 2026-04-30
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* @category Library
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* @package File
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* @author Nicola Asuni <info@tecnick.com>
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* @copyright 2015-2026 Nicola Asuni - Tecnick.com LTD
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* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
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* @link https://github.com/tecnickcom/tc-lib-file
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*
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* This file is part of tc-lib-file software library.
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*/
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namespace Test;
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/**
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* A stream wrapper that returns initial data on the first read then returns
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* empty strings on all subsequent reads while never signalling EOF via
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* stream_eof(). This exercises the inner `break` in File::rfRead() that
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* fires when fread() yields an empty string before the while-loop condition
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* can detect EOF.
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*/
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class EmptyReadStreamWrapper
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{
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public mixed $context;
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private string $initialData = 'ab';
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private bool $initialRead = false;
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// phpcs:ignore PSR1.Methods.CamelCapsMethodName.NotCamelCaps
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public function stream_open(string $path, string $mode, int $options, ?string &$opened_path): bool
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{
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unset($path, $mode, $options, $opened_path);
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return true;
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}
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// phpcs:ignore PSR1.Methods.CamelCapsMethodName.NotCamelCaps
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public function stream_read(int $count): string
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{
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unset($count);
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if (!$this->initialRead) {
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$this->initialRead = true;
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return $this->initialData;
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}
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// Return empty string while still claiming not at EOF so that the
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// while-loop in rfRead() re-enters and hits the inner break.
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return '';
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}
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// phpcs:ignore PSR1.Methods.CamelCapsMethodName.NotCamelCaps
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public function stream_eof(): bool
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{
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// Never signal EOF — stream_read() will return '' instead.
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return false;
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}
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/**
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* @return array<string, mixed>
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*/
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// phpcs:ignore PSR1.Methods.CamelCapsMethodName.NotCamelCaps
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public function stream_stat(): array
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{
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return [];
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}
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}
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