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<?php
/**
* You are allowed to use this API in your web application.
*
* Copyright (C) 2018 by customweb GmbH
*
* This program is licenced under the customweb software licence. With the
* purchase or the installation of the software in your application you
* accept the licence agreement. The allowed usage is outlined in the
* customweb software licence which can be found under
* http://www.sellxed.com/en/software-license-agreement
*
* Any modification or distribution is strictly forbidden. The license
* grants you the installation in one application. For multiuse you will need
* to purchase further licences at http://www.sellxed.com/shop.
*
* See the customweb software licence agreement for more details.
*
*/
abstract class Customweb_Core_Charset_TableBasedCharset extends Customweb_Core_Charset {
protected abstract function getConversionTable();
private $regexErrorMessage = null;
private static $replacementTable = array(
'€' => 'EUR',
'$' => 'USD',
'£' => 'GBP',
'¢' => 'Cent',
'¥' => 'JPY',
'¡' => 'i',
'¨' => '"',
'«' => '"',
'»' => '"',
'μ' => 'mu',
'·' => 'x',
'¼' => '1/4',
'½' => '1/2',
'¾' => '3/4',
'ö' => 'oe',
'Ö' => 'Oe',
'ü' => 'ue',
'Ü' => 'Ue',
'ä' => 'ae',
'Ä' => 'Ae',
'À' => 'A',
'Á' => 'A',
'Â' => 'A',
'Ã' => 'A',
'Å' => 'A',
'Ñ' => 'N',
'È' => 'E',
'É' => 'E',
'Ê' => 'E',
'Ë' => 'E',
'Ì' => 'I',
'Í' => 'I',
'Î' => 'I',
'Ï' => 'I',
'Ð' => 'D',
'Ò' => 'O',
'Ó' => 'O',
'Ô' => 'O',
'Õ' => 'O',
'×' => 'x',
'Ø' => 'O',
'Ù' => 'U',
'Ú' => 'U',
'Û' => 'U',
'ß' => 'ss',
'é' => 'e',
'è' => 'e',
'à' => 'a',
'á' => 'a',
'â' => 'a',
'ã' => 'a',
'å' => 'a',
'æ' => 'ae',
'ç' => 'c',
'Ç' => 'C',
'Æ' => 'Ae',
'ê' => 'e',
'ë' => 'e',
'î' => 'i',
'ï' => 'i',
'í' => 'i',
'ì' => 'i',
'ò' => 'o',
'ó' => 'o',
'ô' => 'o',
'ø' => 'o',
'ù' => 'u',
'ú' => 'u',
'û' => 'u',
'ý' => 'y',
'ｚ' => 'z',
'ｙ' => 'y',
'ｘ' => 'x',
'ｗ' => 'w',
'ｖ' => 'v',
'ｕ' => 'u',
'ｔ' => 't',
'ｓ' => 's',
'ｒ' => 'r',
'ｑ' => 'q',
'ｐ' => 'p',
'ｏ' => 'o',
'ｎ' => 'n',
'ñ' => 'n',
'ｍ' => 'm',
'ｌ' => 'l',
'ｋ' => 'k',
'ｊ' => 'j',
'ｉ' => 'i',
'ｈ' => 'h',
'ｇ' => 'g',
'ｆ' => 'f',
'ｅ' => 'e',
'ｄ' => 'd',
'ｃ' => 'c',
'ｂ' => 'b',
'ａ' => 'a',
'dz' => 'dz',
'nj' => 'nj',
'lj' => 'lj',
'ſ' => 's',
'œ' => 'oe',
'ij' => 'ij',
'æ' => 'ae',
'µ' => 'u',
'Ｚ' => 'Z',
'Ｙ' => 'Y',
'Ｘ' => 'X',
'Ｗ' => 'W',
'Ｖ' => 'V',
'Ｕ' => 'U',
'Ｔ' => 'T',
'Ｓ' => 'S',
'Ｒ' => 'R',
'Ｑ' => 'Q',
'Ｐ' => 'P',
'Ｏ' => 'O',
'Ｎ' => 'N',
'Ｍ' => 'M',
'Ｌ' => 'L',
'Ｋ' => 'K',
'Ｊ' => 'J',
'Ｉ' => 'I',
'Ｈ' => 'H',
'Ｇ' => 'G',
'Ｆ' => 'F',
'Ｅ' => 'E',
'Ｄ' => 'D',
'Ｃ' => 'C',
'Ｂ' => 'B',
'Ａ' => 'A',
'Dz' => 'Dz',
'Nj' => 'Nj',
'Lj' => 'Lj',
'Œ' => 'OE',
'IJ' => 'IJ',
'Æ' => 'AE',
'دج' => 'DA',
);
/**
* Returns a map of UTF-8 chars as key and a replacement of it in the
* resulting charset. This table is used to replace chars which
* are not translatable into the target charset.
*
* @return array
*/
protected function getReplacementTable() {
return self::$replacementTable;
}
protected function getNoChangesRanges() {
return array();
}
public function getStringLength($string) {
if (is_array($string)) {
return count($string);
}
else {
return strlen($string);
}
}
public function getCharAt($string, $index){
if (is_array($string)) {
if (count($string) <= $index) {
throw new Customweb_Core_Exception_IndexOutOfBoundException();
}
return $string[$index];
}
else {
if (strlen($string) <= $index) {
throw new Customweb_Core_Exception_IndexOutOfBoundException();
}
return $string[$index];
}
}
public function getSubstring($string, $start, $length){
if (is_array($string)) {
return implode( array_slice( $string , $start , $length ) );
}
else {
return substr($string, $start, $length);
}
}
public function getStringPosition($stringSearchIn, $needle, $offset = 0){
if (is_array($stringSearchIn)) {
$stringSearchIn = implode($stringSearchIn);
}
return strpos($stringSearchIn, $needle, $offset === 0 ? null : $offset);
}
public function toUpperCase($string){
if (is_array($string)) {
$rs = array();
foreach ($string as $char) {
$rs[] = strtoupper($char);
}
return $rs;
}
else {
return strtoupper($string);
}
}
public function toLowerCase($string){
if (is_array($string)) {
$rs = array();
foreach ($string as $char) {
$rs[] = strtolower($char);
}
return $rs;
}
else {
return strtolower($string);
}
}
public function toArray($string) {
if(empty($string)){
return array();
}
else if (is_array($string)) {
return $string;
}
else {
return str_split($string);
}
}
public function trimStart($string, $chars = '') {
return ltrim($string, $chars);
}
public function trimEnd($string, $chars = '') {
return rtrim($string, $chars);
}
public function getLastStringPosition($stringSearchIn, $needle, $offset = 0) {
if (is_array($stringSearchIn)) {
$stringSearchIn = implode($stringSearchIn);
}
return strrpos($stringSearchIn, $needle, $offset === 0 ? null : $offset);
}
protected function toCharset($string) {
$table = array_flip($this->getConversionTable());
$ranges = $this->getNoChangesRanges();
if (is_array($string)) {
$rs = array();
foreach ($string as $char) {
$rs[] = $this->converCharFromUTF8($char, $table, $ranges);
}
return $rs;
}
else {
$charset = self::forName('UTF-8');
$chars = $charset->toArray($string);
$buf = '';
foreach ($chars as $char) {
$buf .= $this->converCharFromUTF8($char, $table, $ranges);
}
return $buf;
}
}
protected function toUTF8($string) {
$table = $this->getConversionTable();
$ranges = $this->getNoChangesRanges();
if (is_array($string)) {
$rs = array();
foreach ($string as $char) {
$rs[] = $this->converCharToUTF8($char, $table, $ranges);
}
return $rs;
}
else {
$max = strlen($string);
$buf = "";
for($i = 0; $i < $max; $i ++) {
$buf .= $this->converCharToUTF8($string[$i], $table, $ranges);
}
}
return $buf;
}
private function converCharToUTF8($char, array $table, array $ranges) {
if (isset($table[$char])) {
return $table[$char];
}
else {
$ord = ord($char);
foreach ($ranges as $range) {
if ($range['start'] <= $ord && $range['end'] >= $ord) {
return $char;
}
}
if (self::getConversionBehavior() === self::CONVERSION_BEHAVIOR_EXCEPTION) {
throw new Customweb_Core_Exception_UnexpectedCharException($ord, $char);
}
else {
return '';
}
}
}
private function converCharFromUTF8($char, array $table, array $ranges) {
if (isset($table[$char])) {
return $table[$char];
}
else {
$ord = ord($char);
foreach ($ranges as $range) {
if ($range['start'] <= $ord && $range['end'] >= $ord) {
return $char;
}
}
if (self::getConversionBehavior() === self::CONVERSION_BEHAVIOR_EXCEPTION) {
throw new Customweb_Core_Exception_UnexpectedCharException($ord, $char);
}
else if (self::getConversionBehavior() === self::CONVERSION_BEHAVIOR_REMOVE){
return '';
}
else {
$table = $this->getReplacementTable();
if (isset($table[$char])) {
return $table[$char];
}
else {
return '';
}
}
}
}
}