From a491348d442ab8e6cd2fa403d4365cdad78e52ce Mon Sep 17 00:00:00 2001 From: Frédéric Guillot Date: Thu, 21 Jun 2018 14:13:41 -0700 Subject: Vendoring deprecated composer libs --- libs/phpqrcode/lib/PHPQRCode/QRinput.php | 486 +++++++++++++++++++++++++++++++ 1 file changed, 486 insertions(+) create mode 100755 libs/phpqrcode/lib/PHPQRCode/QRinput.php (limited to 'libs/phpqrcode/lib/PHPQRCode/QRinput.php') diff --git a/libs/phpqrcode/lib/PHPQRCode/QRinput.php b/libs/phpqrcode/lib/PHPQRCode/QRinput.php new file mode 100755 index 00000000..8bdd21e7 --- /dev/null +++ b/libs/phpqrcode/lib/PHPQRCode/QRinput.php @@ -0,0 +1,486 @@ + + * + * PHP QR Code is distributed under LGPL 3 + * Copyright (C) 2010 Dominik Dzienia + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +namespace PHPQRCode; + +use Exception; + +class QRinput { + + public $items; + + private $version; + private $level; + + //---------------------------------------------------------------------- + public function __construct($version = 0, $level = Constants::QR_ECLEVEL_L) + { + if ($version < 0 || $version > Constants::QRSPEC_VERSION_MAX || $level > Constants::QR_ECLEVEL_H) { + throw new Exception('Invalid version no'); + return NULL; + } + + $this->version = $version; + $this->level = $level; + } + + //---------------------------------------------------------------------- + public function getVersion() + { + return $this->version; + } + + //---------------------------------------------------------------------- + public function setVersion($version) + { + if($version < 0 || $version > Constants::QRSPEC_VERSION_MAX) { + throw new Exception('Invalid version no'); + return -1; + } + + $this->version = $version; + + return 0; + } + + //---------------------------------------------------------------------- + public function getErrorCorrectionLevel() + { + return $this->level; + } + + //---------------------------------------------------------------------- + public function setErrorCorrectionLevel($level) + { + if($level > Constants::QR_ECLEVEL_H) { + throw new Exception('Invalid ECLEVEL'); + return -1; + } + + $this->level = $level; + + return 0; + } + + //---------------------------------------------------------------------- + public function appendEntry(QRinputItem $entry) + { + $this->items[] = $entry; + } + + //---------------------------------------------------------------------- + public function append($mode, $size, $data) + { + try { + $entry = new QRinputItem($mode, $size, $data); + $this->items[] = $entry; + return 0; + } catch (Exception $e) { + return -1; + } + } + + //---------------------------------------------------------------------- + + public function insertStructuredAppendHeader($size, $index, $parity) + { + if( $size > Constants::MAX_STRUCTURED_SYMBOLS ) { + throw new Exception('insertStructuredAppendHeader wrong size'); + } + + if( $index <= 0 || $index > Constants::MAX_STRUCTURED_SYMBOLS ) { + throw new Exception('insertStructuredAppendHeader wrong index'); + } + + $buf = array($size, $index, $parity); + + try { + $entry = new QRinputItem(Constants::QR_MODE_STRUCTURE, 3, buf); + array_unshift($this->items, $entry); + return 0; + } catch (Exception $e) { + return -1; + } + } + + //---------------------------------------------------------------------- + public function calcParity() + { + $parity = 0; + + foreach($this->items as $item) { + if($item->mode != Constants::QR_MODE_STRUCTURE) { + for($i=$item->size-1; $i>=0; $i--) { + $parity ^= $item->data[$i]; + } + } + } + + return $parity; + } + + //---------------------------------------------------------------------- + public static function checkModeNum($size, $data) + { + for($i=0; $i<$size; $i++) { + if((ord($data[$i]) < ord('0')) || (ord($data[$i]) > ord('9'))){ + return false; + } + } + + return true; + } + + //---------------------------------------------------------------------- + public static function estimateBitsModeNum($size) + { + $w = (int)$size / 3; + $bits = $w * 10; + + switch($size - $w * 3) { + case 1: + $bits += 4; + break; + case 2: + $bits += 7; + break; + default: + break; + } + + return $bits; + } + + //---------------------------------------------------------------------- + public static $anTable = array( + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 44, -1, -1, -1, -1, -1, + -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 + ); + + //---------------------------------------------------------------------- + public static function lookAnTable($c) + { + return (($c > 127)?-1:self::$anTable[$c]); + } + + //---------------------------------------------------------------------- + public static function checkModeAn($size, $data) + { + for($i=0; $i<$size; $i++) { + if (self::lookAnTable(ord($data[$i])) == -1) { + return false; + } + } + + return true; + } + + //---------------------------------------------------------------------- + public static function estimateBitsModeAn($size) + { + $w = (int)($size / 2); + $bits = $w * 11; + + if($size & 1) { + $bits += 6; + } + + return $bits; + } + + //---------------------------------------------------------------------- + public static function estimateBitsMode8($size) + { + return $size * 8; + } + + //---------------------------------------------------------------------- + public function estimateBitsModeKanji($size) + { + return (int)(($size / 2) * 13); + } + + //---------------------------------------------------------------------- + public static function checkModeKanji($size, $data) + { + if($size & 1) + return false; + + for($i=0; $i<$size; $i+=2) { + $val = (ord($data[$i]) << 8) | ord($data[$i+1]); + if( $val < 0x8140 + || ($val > 0x9ffc && $val < 0xe040) + || $val > 0xebbf) { + return false; + } + } + + return true; + } + + /*********************************************************************** + * Validation + **********************************************************************/ + + public static function check($mode, $size, $data) + { + if($size <= 0) + return false; + + switch($mode) { + case Constants::QR_MODE_NUM: return self::checkModeNum($size, $data); break; + case Constants::QR_MODE_AN: return self::checkModeAn($size, $data); break; + case Constants::QR_MODE_KANJI: return self::checkModeKanji($size, $data); break; + case Constants::QR_MODE_8: return true; break; + case Constants::QR_MODE_STRUCTURE: return true; break; + + default: + break; + } + + return false; + } + + + //---------------------------------------------------------------------- + public function estimateBitStreamSize($version) + { + $bits = 0; + + foreach($this->items as $item) { + $bits += $item->estimateBitStreamSizeOfEntry($version); + } + + return $bits; + } + + //---------------------------------------------------------------------- + public function estimateVersion() + { + $version = 0; + $prev = 0; + do { + $prev = $version; + $bits = $this->estimateBitStreamSize($prev); + $version = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level); + if ($version < 0) { + return -1; + } + } while ($version > $prev); + + return $version; + } + + //---------------------------------------------------------------------- + public static function lengthOfCode($mode, $version, $bits) + { + $payload = $bits - 4 - QRspec::lengthIndicator($mode, $version); + switch($mode) { + case Constants::QR_MODE_NUM: + $chunks = (int)($payload / 10); + $remain = $payload - $chunks * 10; + $size = $chunks * 3; + if($remain >= 7) { + $size += 2; + } else if($remain >= 4) { + $size += 1; + } + break; + case Constants::QR_MODE_AN: + $chunks = (int)($payload / 11); + $remain = $payload - $chunks * 11; + $size = $chunks * 2; + if($remain >= 6) + $size++; + break; + case Constants::QR_MODE_8: + $size = (int)($payload / 8); + break; + case Constants::QR_MODE_KANJI: + $size = (int)(($payload / 13) * 2); + break; + case Constants::QR_MODE_STRUCTURE: + $size = (int)($payload / 8); + break; + default: + $size = 0; + break; + } + + $maxsize = QRspec::maximumWords($mode, $version); + if($size < 0) $size = 0; + if($size > $maxsize) $size = $maxsize; + + return $size; + } + + //---------------------------------------------------------------------- + public function createBitStream() + { + $total = 0; + + foreach($this->items as $item) { + $bits = $item->encodeBitStream($this->version); + + if($bits < 0) + return -1; + + $total += $bits; + } + + return $total; + } + + //---------------------------------------------------------------------- + public function convertData() + { + $ver = $this->estimateVersion(); + if($ver > $this->getVersion()) { + $this->setVersion($ver); + } + + for(;;) { + $bits = $this->createBitStream(); + + if($bits < 0) + return -1; + + $ver = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level); + if($ver < 0) { + throw new Exception('WRONG VERSION'); + return -1; + } else if($ver > $this->getVersion()) { + $this->setVersion($ver); + } else { + break; + } + } + + return 0; + } + + //---------------------------------------------------------------------- + public function appendPaddingBit(&$bstream) + { + $bits = $bstream->size(); + $maxwords = QRspec::getDataLength($this->version, $this->level); + $maxbits = $maxwords * 8; + + if ($maxbits == $bits) { + return 0; + } + + if ($maxbits - $bits < 5) { + return $bstream->appendNum($maxbits - $bits, 0); + } + + $bits += 4; + $words = (int)(($bits + 7) / 8); + + $padding = new QRbitstream(); + $ret = $padding->appendNum($words * 8 - $bits + 4, 0); + + if($ret < 0) + return $ret; + + $padlen = $maxwords - $words; + + if($padlen > 0) { + + $padbuf = array(); + for($i=0; $i<$padlen; $i++) { + $padbuf[$i] = ($i&1)?0x11:0xec; + } + + $ret = $padding->appendBytes($padlen, $padbuf); + + if($ret < 0) + return $ret; + + } + + $ret = $bstream->append($padding); + + return $ret; + } + + //---------------------------------------------------------------------- + public function mergeBitStream() + { + if($this->convertData() < 0) { + return null; + } + + $bstream = new QRbitstream(); + + foreach($this->items as $item) { + $ret = $bstream->append($item->bstream); + if($ret < 0) { + return null; + } + } + + return $bstream; + } + + //---------------------------------------------------------------------- + public function getBitStream() + { + + $bstream = $this->mergeBitStream(); + + if($bstream == null) { + return null; + } + + $ret = $this->appendPaddingBit($bstream); + if($ret < 0) { + return null; + } + + return $bstream; + } + + //---------------------------------------------------------------------- + public function getByteStream() + { + $bstream = $this->getBitStream(); + if($bstream == null) { + return null; + } + + return $bstream->toByte(); + } +} + + -- cgit v1.2.3