99 lines
2.1 KiB
PHP
99 lines
2.1 KiB
PHP
<?php
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/*
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Copyright (c) 2003, 2005, 2006, 2009 Danilo Segan <danilo@kvota.net>.
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This file is part of PHP-gettext.
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PHP-gettext is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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PHP-gettext is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with PHP-gettext; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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declare(strict_types=1);
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namespace CoreLibs\Language\Core;
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class StringReader
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{
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/** @var int */
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public int $sr_pos;
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/** @var string */
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public string $sr_str;
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/**
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* constructor for string reader
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*
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* @param string $str basic string
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*/
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public function __construct(string $str = '')
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{
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$this->sr_str = $str;
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$this->sr_pos = 0;
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}
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/**
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* read bytes in string
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*
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* @param int $bytes bytes to read in string
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* @return string data read in length of bytes as string
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*/
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public function read(int $bytes): string
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{
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$data = substr($this->sr_str, $this->sr_pos, $bytes);
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$this->sr_pos += $bytes;
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if (strlen($this->sr_str) < $this->sr_pos) {
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$this->sr_pos = strlen($this->sr_str);
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}
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return $data;
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}
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/**
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* go to position in string
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*
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* @param int $pos position in string
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* @return int new position in string after seek
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*/
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public function seekto(int $pos): int
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{
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$this->sr_pos = $pos;
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if (strlen($this->sr_str) < $this->sr_pos) {
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$this->sr_pos = strlen($this->sr_str);
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}
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return $this->sr_pos;
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}
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/**
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* get current position in string
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*
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* @return int position in string
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*/
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public function currentpos(): int
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{
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return $this->sr_pos;
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}
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/**
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* get length of string
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*
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* @return int return length of assigned string
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*/
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public function length(): int
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{
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return strlen($this->sr_str);
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}
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}
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// __END__
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