Add src files for CoreLibs composer all package
This commit is contained in:
58
src/Language/Core/CachedFileReader.php
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58
src/Language/Core/CachedFileReader.php
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@@ -0,0 +1,58 @@
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<?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
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(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
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
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||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
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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// Preloads entire file in memory first, then creates a StringReader
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// over it (it assumes knowledge of StringReader internals)
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class CachedFileReader extends \CoreLibs\Language\Core\StringReader
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{
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/** @var int */
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public $error = 0;
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/** @var string */
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public $fd_str = '';
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/**
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* Undocumented function
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*
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* @param string $filename
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*/
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public function __construct(string $filename)
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{
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parent::__construct();
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if (file_exists($filename)) {
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$fd = fopen($filename, 'rb');
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if (!is_resource($fd)) {
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$this->error = 3; // Cannot read file, probably permissions
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} else {
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$this->fd_str = fread($fd, filesize($filename) ?: 0) ?: '';
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fclose($fd);
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}
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} else {
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$this->error = 2; // File doesn't exist
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}
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}
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}
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// __END__
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135
src/Language/Core/FileReader.php
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135
src/Language/Core/FileReader.php
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@@ -0,0 +1,135 @@
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<?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
|
||||
(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
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with PHP-gettext; if not, write to the Free Software
|
||||
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 FileReader
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{
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/** @var int */
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public $fr_pos;
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/** @var resource|bool */
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public $fr_fd;
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/** @var int */
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public $fr_length;
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/** @var int */
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public $error = 0;
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/**
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* file read constructor
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*
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* @param string $filename file name to load
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*/
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public function __construct(string $filename)
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{
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if (file_exists($filename)) {
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$this->fr_length = filesize($filename) ?: 0;
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$this->fr_pos = 0;
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$this->fr_fd = fopen($filename, 'rb');
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if (!is_resource($this->fr_fd)) {
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$this->error = 3; // Cannot read file, probably permissions
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}
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} else {
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$this->error = 2; // File doesn't exist
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}
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}
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/**
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* read byte data length
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*
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* @param int $bytes how many bytes to read
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* @return string read data as string
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*/
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public function read(int $bytes): string
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{
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if (!$bytes || !is_resource($this->fr_fd)) {
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return '';
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}
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fseek($this->fr_fd, $this->fr_pos);
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// PHP 5.1.1 does not read more than 8192 bytes in one fread()
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// the discussions at PHP Bugs suggest it's the intended behaviour
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$data = '';
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while ($bytes > 0) {
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$chunk = fread($this->fr_fd, $bytes);
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if ($chunk === false) {
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break;
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}
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$data .= $chunk;
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$bytes -= strlen($chunk);
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}
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$this->fr_pos = ftell($this->fr_fd) ?: 0;
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return $data;
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}
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/**
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* seek to a position in the file
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*
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* @param int $pos position where to go to
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* @return int file position after seek done
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*/
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public function seekto(int $pos): int
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{
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if (!is_resource($this->fr_fd)) {
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return 0;
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}
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fseek($this->fr_fd, $pos);
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$this->fr_pos = ftell($this->fr_fd) ?: 0;
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return $this->fr_pos;
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}
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/**
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* get current position in file
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*
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* @return int current position in bytes
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*/
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public function currentpos(): int
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{
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return $this->fr_pos;
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}
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/**
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* file length/size
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*
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* @return int file size in bytes
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*/
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public function length(): int
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{
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return $this->fr_length;
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}
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/**
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* close open file handler
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*
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* @return void has no return
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*/
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public function close(): void
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{
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if (is_resource($this->fr_fd)) {
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fclose($this->fr_fd);
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}
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}
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}
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// __END__
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546
src/Language/Core/GetTextReader.php
Normal file
546
src/Language/Core/GetTextReader.php
Normal file
@@ -0,0 +1,546 @@
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<?php
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||||
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||||
/*
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||||
Copyright (c) 2003, 2009 Danilo Segan <danilo@kvota.net>.
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||||
Copyright (c) 2005 Nico Kaiser <nico@siriux.net>
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||||
|
||||
This file is part of PHP-gettext.
|
||||
|
||||
PHP-gettext is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
PHP-gettext is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with PHP-gettext; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
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declare(strict_types=1);
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namespace CoreLibs\Language\Core;
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/**
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* Provides a simple gettext replacement that works independently from
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* the system's gettext abilities.
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* It can read MO files and use them for translating strings.
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* The files are passed to gettext_reader as a Stream (see streams.php)
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*
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* This version has the ability to cache all strings and translations to
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* speed up the string lookup.
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* While the cache is enabled by default, it can be switched off with the
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* second parameter in the constructor (e.g. whenusing very large MO files
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* that you don't want to keep in memory)
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*/
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class GetTextReader
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{
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// public:
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/** @var int */
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public $error = 0; // public variable that holds error code (0 if no error)
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// private:
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/** @var int */
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private $BYTEORDER = 0; // 0: low endian, 1: big endian
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/** @var FileReader */
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private $STREAM;
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/** @var bool */
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private $short_circuit = false;
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/** @var bool */
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private $enable_cache = false;
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/** @var int */
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private $originals = 0; // offset of original table
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/** @var int */
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private $translations = 0; // offset of translation table
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/** @var string */
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private $pluralheader = ''; // cache header field for plural forms
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/** @var int */
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private $total = 0; // total string count
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/** @var array<mixed>|null */
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private $table_originals = null; // table for original strings (offsets)
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/** @var array<mixed>|null */
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private $table_translations = null; // table for translated strings (offsets)
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/** @var array<mixed> */
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private $cache_translations = []; // original -> translation mapping
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/* Methods */
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/**
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* Reads a 32bit Integer from the Stream
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*
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* @access private
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* @return int Integer from the Stream
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*/
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private function readint(): int
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{
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if ($this->BYTEORDER == 0) {
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// low endian
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$input = unpack('V', $this->STREAM->read(4)) ?: [];
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} else {
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// big endian
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$input = unpack('N', $this->STREAM->read(4)) ?: [];
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}
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return array_shift($input);
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}
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/**
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* read bytes
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*
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* @param int $bytes byte length to read
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* @return string return data, possible string
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*/
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public function read(int $bytes): string
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{
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return $this->STREAM->read($bytes);
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}
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/**
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* Reads an array of Integers from the Stream
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*
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* @param int $count How many elements should be read
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* @return array<mixed> Array of Integers
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*/
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public function readintarray(int $count): array
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{
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if ($this->BYTEORDER == 0) {
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// low endian
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return unpack('V' . $count, $this->STREAM->read(4 * $count)) ?: [];
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} else {
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// big endian
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return unpack('N' . $count, $this->STREAM->read(4 * $count)) ?: [];
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}
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}
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/**
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* Constructor
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*
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* @param FileReader|bool $Reader the StreamReader object
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* @param bool $enable_cache Enable or disable caching
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* of strings (default on)
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*/
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public function __construct($Reader, bool $enable_cache = true)
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{
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// If there isn't a StreamReader, turn on short circuit mode.
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if ((!is_object($Reader) && !$Reader) || (is_object($Reader) && $Reader->error)) {
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$this->short_circuit = true;
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return;
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}
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// bail out for sure if this is not an objet here
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if (!is_object($Reader)) {
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$this->short_circuit = true;
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return;
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}
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|
||||
// Caching can be turned off
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||||
$this->enable_cache = $enable_cache;
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||||
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$MAGIC1 = "\x95\x04\x12\xde";
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$MAGIC2 = "\xde\x12\x04\x95";
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$this->STREAM = $Reader;
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$magic = $this->read(4);
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if ($magic == $MAGIC1) {
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||||
$this->BYTEORDER = 1;
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} elseif ($magic == $MAGIC2) {
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$this->BYTEORDER = 0;
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} else {
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$this->error = 1; // not MO file
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||||
}
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// FIXME: Do we care about revision? We should.
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$revision = $this->readint();
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$this->total = $this->readint();
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$this->originals = $this->readint();
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$this->translations = $this->readint();
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}
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/**
|
||||
* Get current short circuit, equals to no translator running
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||||
*
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* @return bool
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||||
*/
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public function getShortCircuit(): bool
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{
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return $this->short_circuit;
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||||
}
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||||
|
||||
/**
|
||||
* get the current cache enabled status
|
||||
*
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* @return bool
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||||
*/
|
||||
public function getEnableCache(): bool
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||||
{
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||||
return $this->enable_cache;
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads the translation tables from the MO file into the cache
|
||||
* If caching is enabled, also loads all strings into a cache
|
||||
* to speed up translation lookups
|
||||
*
|
||||
* @access private
|
||||
* @return void
|
||||
*/
|
||||
private function loadTables(): void
|
||||
{
|
||||
if (
|
||||
is_array($this->cache_translations) &&
|
||||
is_array($this->table_originals) &&
|
||||
is_array($this->table_translations)
|
||||
) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* get original and translations tables */
|
||||
if (!is_array($this->table_originals)) {
|
||||
$this->STREAM->seekto($this->originals);
|
||||
$this->table_originals = $this->readintarray($this->total * 2);
|
||||
}
|
||||
if (!is_array($this->table_translations)) {
|
||||
$this->STREAM->seekto($this->translations);
|
||||
$this->table_translations = $this->readintarray($this->total * 2);
|
||||
}
|
||||
|
||||
if ($this->enable_cache) {
|
||||
$this->cache_translations = [];
|
||||
/* read all strings in the cache */
|
||||
for ($i = 0; $i < $this->total; $i++) {
|
||||
$this->STREAM->seekto($this->table_originals[$i * 2 + 2]);
|
||||
$original = $this->STREAM->read($this->table_originals[$i * 2 + 1]);
|
||||
$this->STREAM->seekto($this->table_translations[$i * 2 + 2]);
|
||||
$translation = $this->STREAM->read($this->table_translations[$i * 2 + 1]);
|
||||
$this->cache_translations[$original] = $translation;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a string from the "originals" table
|
||||
*
|
||||
* @access private
|
||||
* @param int $num Offset number of original string
|
||||
* @return string Requested string if found, otherwise ''
|
||||
*/
|
||||
private function getOriginalString(int $num): string
|
||||
{
|
||||
$length = $this->table_originals[$num * 2 + 1] ?? 0;
|
||||
$offset = $this->table_originals[$num * 2 + 2] ?? 0;
|
||||
if (!$length) {
|
||||
return '';
|
||||
}
|
||||
$this->STREAM->seekto($offset);
|
||||
$data = $this->STREAM->read($length);
|
||||
return (string)$data;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a string from the "translations" table
|
||||
*
|
||||
* @access private
|
||||
* @param int $num Offset number of original string
|
||||
* @return string Requested string if found, otherwise ''
|
||||
*/
|
||||
private function getTranslationString(int $num): string
|
||||
{
|
||||
$length = $this->table_translations[$num * 2 + 1] ?? 0;
|
||||
$offset = $this->table_translations[$num * 2 + 2] ?? 0;
|
||||
if (!$length) {
|
||||
return '';
|
||||
}
|
||||
$this->STREAM->seekto($offset);
|
||||
$data = $this->STREAM->read($length);
|
||||
return (string)$data;
|
||||
}
|
||||
|
||||
/**
|
||||
* Binary search for string
|
||||
*
|
||||
* @access private
|
||||
* @param string $string string to find
|
||||
* @param int $start (internally used in recursive function)
|
||||
* @param int $end (internally used in recursive function)
|
||||
* @return int (offset in originals table)
|
||||
*/
|
||||
private function findString(string $string, int $start = -1, int $end = -1): int
|
||||
{
|
||||
if (($start == -1) or ($end == -1)) {
|
||||
// findString is called with only one parameter, set start end end
|
||||
$start = 0;
|
||||
$end = $this->total;
|
||||
}
|
||||
if (abs($start - $end) <= 1) {
|
||||
// We're done, now we either found the string, or it doesn't exist
|
||||
$txt = $this->getOriginalString($start);
|
||||
if ($string == $txt) {
|
||||
return $start;
|
||||
} else {
|
||||
return -1;
|
||||
}
|
||||
} elseif ($start > $end) {
|
||||
// start > end -> turn around and start over
|
||||
return $this->findString($string, $end, $start);
|
||||
} else {
|
||||
// Divide table in two parts
|
||||
$half = (int)(($start + $end) / 2);
|
||||
$cmp = strcmp($string, $this->getOriginalString($half));
|
||||
if ($cmp == 0) {
|
||||
// string is exactly in the middle => return it
|
||||
return $half;
|
||||
} elseif ($cmp < 0) {
|
||||
// The string is in the upper half
|
||||
return $this->findString($string, $start, $half);
|
||||
} else {
|
||||
// Translateshe string is in the lower half
|
||||
return $this->findString($string, $half, $end);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Translates a string
|
||||
*
|
||||
* @access public
|
||||
* @param string $string to be translated
|
||||
* @return string translated string (or original, if not found)
|
||||
*/
|
||||
public function translate(string $string): string
|
||||
{
|
||||
if ($this->short_circuit) {
|
||||
return $string;
|
||||
}
|
||||
$this->loadTables();
|
||||
|
||||
if ($this->enable_cache) {
|
||||
// Caching enabled, get translated string from cache
|
||||
if (
|
||||
is_array($this->cache_translations) &&
|
||||
array_key_exists($string, $this->cache_translations)
|
||||
) {
|
||||
return $this->cache_translations[$string];
|
||||
} else {
|
||||
return $string;
|
||||
}
|
||||
} else {
|
||||
// Caching not enabled, try to find string
|
||||
$num = $this->findString($string);
|
||||
if ($num == -1) {
|
||||
return $string;
|
||||
} else {
|
||||
return $this->getTranslationString($num);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Sanitize plural form expression for use in PHP eval call.
|
||||
*
|
||||
* @access private
|
||||
* @param string $expr an expression to match
|
||||
* @return string sanitized plural form expression
|
||||
*/
|
||||
private function sanitizePluralExpression(string $expr): string
|
||||
{
|
||||
// Get rid of disallowed characters.
|
||||
$expr = preg_replace('@[^a-zA-Z0-9_:;\(\)\?\|\&=!<>+*/\%-]@', '', $expr);
|
||||
|
||||
// Add parenthesis for tertiary '?' operator.
|
||||
$expr .= ';';
|
||||
$res = '';
|
||||
$p = 0;
|
||||
$expr_len = strlen($expr);
|
||||
for ($i = 0; $i < $expr_len; $i++) {
|
||||
$ch = $expr[$i];
|
||||
switch ($ch) {
|
||||
case '?':
|
||||
$res .= ' ? (';
|
||||
$p++;
|
||||
break;
|
||||
case ':':
|
||||
$res .= ') : (';
|
||||
break;
|
||||
case ';':
|
||||
$res .= str_repeat(')', $p) . ';';
|
||||
$p = 0;
|
||||
break;
|
||||
default:
|
||||
$res .= $ch;
|
||||
}
|
||||
}
|
||||
return $res;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse full PO header and extract only plural forms line.
|
||||
*
|
||||
* @access private
|
||||
* @param string $header header search in plurals
|
||||
* @return string verbatim plural form header field
|
||||
*/
|
||||
private function extractPluralFormsHeaderFromPoHeader(string $header): string
|
||||
{
|
||||
if (preg_match("/(^|\n)plural-forms: ([^\n]*)\n/i", $header, $regs)) {
|
||||
$expr = $regs[2];
|
||||
} else {
|
||||
$expr = "nplurals=2; plural=n == 1 ? 0 : 1;";
|
||||
}
|
||||
return $expr;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get possible plural forms from MO header
|
||||
*
|
||||
* @access private
|
||||
* @return string plural form header
|
||||
*/
|
||||
private function getPluralForms(): string
|
||||
{
|
||||
// lets assume message number 0 is header
|
||||
// this is true, right?
|
||||
$this->loadTables();
|
||||
|
||||
// cache header field for plural forms
|
||||
if (empty($this->pluralheader) || !is_string($this->pluralheader)) {
|
||||
if ($this->enable_cache) {
|
||||
$header = $this->cache_translations[''];
|
||||
} else {
|
||||
$header = $this->getTranslationString(0);
|
||||
}
|
||||
$expr = $this->extractPluralFormsHeaderFromPoHeader($header);
|
||||
$this->pluralheader = $this->sanitizePluralExpression($expr);
|
||||
}
|
||||
return $this->pluralheader;
|
||||
}
|
||||
|
||||
/**
|
||||
* Detects which plural form to take
|
||||
*
|
||||
* @access private
|
||||
* @param int $n count
|
||||
* @return int array index of the right plural form
|
||||
*/
|
||||
private function selectString(int $n): int
|
||||
{
|
||||
$string = $this->getPluralForms();
|
||||
$string = str_replace('nplurals', "\$total", $string);
|
||||
$string = str_replace("n", (string)$n, $string);
|
||||
$string = str_replace('plural', "\$plural", $string);
|
||||
|
||||
$total = 0;
|
||||
$plural = 0;
|
||||
|
||||
// FIXME use Symfony\Component\ExpressionLanguage\ExpressionLanguage or similar
|
||||
eval("$string");
|
||||
/** @phpstan-ignore-next-line 0 >= 0 is always true*/
|
||||
if ($plural >= $total) {
|
||||
$plural = $total - 1;
|
||||
}
|
||||
return (int)$plural;
|
||||
}
|
||||
|
||||
/**
|
||||
* wrapper for translate() method
|
||||
*
|
||||
* @access public
|
||||
* @param string $string
|
||||
* @return string
|
||||
*/
|
||||
public function gettext(string $string): string
|
||||
{
|
||||
return $this->translate($string);
|
||||
}
|
||||
|
||||
/**
|
||||
* Plural version of gettext
|
||||
*
|
||||
* @access public
|
||||
* @param string $single
|
||||
* @param string $plural
|
||||
* @param int $number
|
||||
* @return string plural form
|
||||
*/
|
||||
public function ngettext(string $single, string $plural, int $number): string
|
||||
{
|
||||
if ($this->short_circuit) {
|
||||
if ($number != 1) {
|
||||
return $plural;
|
||||
} else {
|
||||
return $single;
|
||||
}
|
||||
}
|
||||
|
||||
// find out the appropriate form
|
||||
$select = $this->selectString($number);
|
||||
|
||||
// this should contains all strings separated by NULLs
|
||||
$key = $single . chr(0) . $plural;
|
||||
|
||||
if ($this->enable_cache) {
|
||||
if (is_array($this->cache_translations) && !array_key_exists($key, $this->cache_translations)) {
|
||||
return ($number != 1) ? $plural : $single;
|
||||
} else {
|
||||
$result = $this->cache_translations[$key];
|
||||
$list = explode(chr(0), $result);
|
||||
return $list[$select];
|
||||
}
|
||||
} else {
|
||||
$num = $this->findString($key);
|
||||
if ($num == -1) {
|
||||
return ($number != 1) ? $plural : $single;
|
||||
} else {
|
||||
$result = $this->getTranslationString($num);
|
||||
$list = explode(chr(0), $result);
|
||||
return $list[$select];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* p get text
|
||||
*
|
||||
* @param string $context [description]
|
||||
* @param string $msgid [description]
|
||||
* @return string [description]
|
||||
*/
|
||||
public function pgettext(string $context, string $msgid): string
|
||||
{
|
||||
$key = $context . chr(4) . $msgid;
|
||||
$ret = $this->translate($key);
|
||||
if (strpos($ret, "\004") !== false) {
|
||||
return $msgid;
|
||||
} else {
|
||||
return $ret;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* np get text
|
||||
*
|
||||
* @param string $context [description]
|
||||
* @param string $singular [description]
|
||||
* @param string $plural [description]
|
||||
* @param int $number [description]
|
||||
* @return string [description]
|
||||
*/
|
||||
public function npgettext(
|
||||
string $context,
|
||||
string $singular,
|
||||
string $plural,
|
||||
int $number
|
||||
): string {
|
||||
$key = $context . chr(4) . $singular;
|
||||
$ret = $this->ngettext($key, $plural, $number);
|
||||
if (strpos($ret, "\004") !== false) {
|
||||
return $singular;
|
||||
} else {
|
||||
return $ret;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// __END__
|
||||
82
src/Language/Core/StreamReader.php
Normal file
82
src/Language/Core/StreamReader.php
Normal file
@@ -0,0 +1,82 @@
|
||||
<?php
|
||||
|
||||
/*
|
||||
Copyright (c) 2003, 2005, 2006, 2009 Danilo Segan <danilo@kvota.net>.
|
||||
|
||||
This file is part of PHP-gettext.
|
||||
|
||||
PHP-gettext is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
PHP-gettext is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with PHP-gettext; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
declare(strict_types=1);
|
||||
|
||||
namespace CoreLibs\Language\Core;
|
||||
|
||||
// Simple class to wrap file streams, string streams, etc.
|
||||
// seek is essential, and it should be byte stream
|
||||
class StreamReader
|
||||
{
|
||||
/**
|
||||
* constructor, empty
|
||||
*/
|
||||
public function __construct()
|
||||
{
|
||||
// empty
|
||||
}
|
||||
|
||||
/**
|
||||
* should return a string [FIXME: perhaps return array of bytes?]
|
||||
*
|
||||
* @param int $bytes bytes to read
|
||||
* @return bool dummy false
|
||||
*/
|
||||
public function read(int $bytes): bool
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* should return new position
|
||||
*
|
||||
* @param int $position seek to position
|
||||
* @return bool dummy false
|
||||
*/
|
||||
public function seekto(int $position): bool
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* returns current position
|
||||
*
|
||||
* @return bool dummy false
|
||||
*/
|
||||
public function currentpos(): bool
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* returns length of entire stream (limit for seekto()s)
|
||||
*
|
||||
* @return bool dummy false
|
||||
*/
|
||||
public function length(): bool
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// __END__
|
||||
98
src/Language/Core/StringReader.php
Normal file
98
src/Language/Core/StringReader.php
Normal file
@@ -0,0 +1,98 @@
|
||||
<?php
|
||||
|
||||
/*
|
||||
Copyright (c) 2003, 2005, 2006, 2009 Danilo Segan <danilo@kvota.net>.
|
||||
|
||||
This file is part of PHP-gettext.
|
||||
|
||||
PHP-gettext is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
PHP-gettext is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with PHP-gettext; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
declare(strict_types=1);
|
||||
|
||||
namespace CoreLibs\Language\Core;
|
||||
|
||||
class StringReader
|
||||
{
|
||||
/** @var int */
|
||||
public $sr_pos;
|
||||
/** @var string */
|
||||
public $sr_str;
|
||||
|
||||
/**
|
||||
* constructor for string reader
|
||||
*
|
||||
* @param string $str basic string
|
||||
*/
|
||||
public function __construct(string $str = '')
|
||||
{
|
||||
$this->sr_str = $str;
|
||||
$this->sr_pos = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* read bytes in string
|
||||
*
|
||||
* @param int $bytes bytes to read in string
|
||||
* @return string data read in length of bytes as string
|
||||
*/
|
||||
public function read(int $bytes): string
|
||||
{
|
||||
$data = substr($this->sr_str, $this->sr_pos, $bytes);
|
||||
$this->sr_pos += $bytes;
|
||||
if (strlen($this->sr_str) < $this->sr_pos) {
|
||||
$this->sr_pos = strlen($this->sr_str);
|
||||
}
|
||||
|
||||
return $data;
|
||||
}
|
||||
|
||||
/**
|
||||
* go to position in string
|
||||
*
|
||||
* @param int $pos position in string
|
||||
* @return int new position in string after seek
|
||||
*/
|
||||
public function seekto(int $pos): int
|
||||
{
|
||||
$this->sr_pos = $pos;
|
||||
if (strlen($this->sr_str) < $this->sr_pos) {
|
||||
$this->sr_pos = strlen($this->sr_str);
|
||||
}
|
||||
return $this->sr_pos;
|
||||
}
|
||||
|
||||
/**
|
||||
* get current position in string
|
||||
*
|
||||
* @return int position in string
|
||||
*/
|
||||
public function currentpos(): int
|
||||
{
|
||||
return $this->sr_pos;
|
||||
}
|
||||
|
||||
/**
|
||||
* get length of string
|
||||
*
|
||||
* @return int return length of assigned string
|
||||
*/
|
||||
public function length(): int
|
||||
{
|
||||
return strlen($this->sr_str);
|
||||
}
|
||||
}
|
||||
|
||||
// __END__
|
||||
Reference in New Issue
Block a user