133 lines
3.7 KiB
PHP
133 lines
3.7 KiB
PHP
<?php
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/**
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* Copyright 2010-2017 Horde LLC (http://www.horde.org/)
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*
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* @author Chuck Hagenbuch <chuck@horde.org>
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* @author Jan Schneider <jan@horde.org>
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* @license http://www.horde.org/licenses/bsd BSD
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* @category Horde
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* @package Support
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*/
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/**
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* @author Chuck Hagenbuch <chuck@horde.org>
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* @author Jan Schneider <jan@horde.org>
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* @license http://www.horde.org/licenses/bsd BSD
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* @category Horde
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* @package Support
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*/
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class Horde_Support_Numerizer_Locale_De extends Horde_Support_Numerizer_Locale_Base
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{
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public $DIRECT_NUMS = array(
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'dreizehn' => 13,
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'vierzehn' => 14,
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'fünfzehn' => 15,
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'sechzehn' => 16,
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'siebzehn' => 17,
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'achtzehn' => 18,
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'neunzehn' => 19,
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'ein[se]?' => 1,
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'zwei' => 2,
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'zwo' => 2,
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'drei' => 3,
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'vier' => 4,
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'fünf' => 5,
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'sechs' => 6,
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'sieben' => 7,
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'acht' => 8,
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'neun' => 9,
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'zehn' => 10,
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'elf' => 11,
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'zwölf' => 12,
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);
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public $TEN_PREFIXES = array(
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'zwanzig' => 20,
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'dreißig' => 30,
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'vierzig' => 40,
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'fünfzig' => 50,
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'sechzig' => 60,
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'siebzig' => 70,
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'achtzig' => 80,
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'neunzig' => 90,
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);
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public $BIG_PREFIXES = array(
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'hundert' => 100,
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'tausend' => 1000,
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'million *' => 1000000,
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'milliarde *' => 1000000000,
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'billion *' => 1000000000000,
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);
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/**
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* Rules:
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*
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* - there are irregular word for 11 and 12 like in English
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* - numbers below one million are written together (1 M = "eine Million", 100 = "einhundert")
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* - "a" is declinable (see above, "one" = "eins", "a" = "ein/eine")
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* - numbers below 100 are flipped compared to english, and have an "and = "und" (21 = "twenty-one" = "einundzwanzig")
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*/
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public function numerize($string)
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{
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$string = $this->_replaceTenPrefixes($string);
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$string = $this->_directReplacements($string);
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$string = $this->_replaceBigPrefixes($string);
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$string = $this->_fractionalAddition($string);
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return $string;
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}
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/**
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* ten, twenty, etc.
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*/
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protected function _replaceTenPrefixes($string)
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{
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foreach ($this->TEN_PREFIXES as $tp => $tp_replacement) {
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$string = preg_replace_callback(
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"/(?:$tp)( *\d(?=[^\d]|\$))*/i",
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function ($m) use ($tp_replacement) {
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return $tp_replacement + (isset($m[1]) ? (int)$m[1] : 0);
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},
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$string
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);
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}
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return $string;
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}
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/**
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* hundreds, thousands, millions, etc.
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*/
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protected function _replaceBigPrefixes($string)
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{
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foreach ($this->BIG_PREFIXES as $bp => $bp_replacement) {
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$string = preg_replace_callback(
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'/(\d*) *' . $bp . '(\d?)/i',
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function ($m) use ($bp_replacement) {
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$factor = (int)$m[1];
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if (!$factor) {
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$factor = 1;
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}
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return ($bp_replacement * $factor)
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. ($bp_replacement == 100 ? ($m[2] ? 'und' : '') : 'und')
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. $m[2];
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},
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$string
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);
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$string = $this->_andition($string);
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}
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return $string;
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}
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protected function _andition($string)
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{
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while (preg_match('/(\d+)((?: *und *)+)(\d*)(?=\w|$)/i', $string, $sc, PREG_OFFSET_CAPTURE)) {
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$string = substr($string, 0, $sc[1][1])
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. ((int)$sc[1][0] + (int)$sc[3][0])
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. substr($string, $sc[3][1] + strlen($sc[3][0]));
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}
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return $string;
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}
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}
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