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135 lines
5.7 KiB
135 lines
5.7 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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/**
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* Converts a positive integer into a selected format.
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* Obe may choose a CSS list-style-type value. Some language specific options have not been implemented.
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*
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* One may also select a 'footnote' value, which will use traditional footnote markers.
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*
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* Eastern languages are not implemented, they require a different formula as they use a modifier
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* before 10 instead of repeating it.
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*
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* @param $num int the number to be converted
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* @param $type string the CSS List-Style-Type to format the number to
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*
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* @return string The returned number in the given format
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*
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* eg. {14|numStyle:'upper-roman'}
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*/
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function smarty_modifier_numStyle($num, $type)
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{
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$style = new StyleType();
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$num = (int)$num; // some basic filtering, using negative or 0 may result in failure, depending on selection
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if ($num < 1) {
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return $num;
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}
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switch (strtolower($type)) {
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case "decimal-leading-zero":
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return '0' . $num;
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case 'lower-alpha':
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case 'lower-latin':
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return $style->toAlpha($num, range('a', 'z'));
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case 'upper-alpha':
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case 'upper-latin':
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return $style->toAlpha($num, range('A', 'Z'));
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case 'lower-greek':
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$range = ['α', 'β', 'γ', 'δ', 'ε', 'ζ', 'η', 'θ', 'ι', 'κ', 'λ', 'μ', 'ν', 'ξ', 'ο', 'π', 'ρ', 'σ', 'τ', 'υ', 'φ', 'χ', 'ψ', 'ω'];
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return $style->toAlpha($num, $range);
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case 'upper-greek':
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$range = ['Α', 'Β', 'Γ', 'Δ', 'Ε', 'Ζ', 'Η', 'Θ', 'Ι', 'Κ', 'Λ', 'Μ', 'Ν', 'Ξ', 'Ο', 'Π', 'Ρ', 'Σ', 'Τ', 'Υ', 'Φ', 'Χ', 'Ψ', 'Ω'];
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return $style->toAlpha($num, $range);
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case 'lower-roman':
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return strtolower($style->numerals($num));
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case 'upper-roman':
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return $style->numerals($num);
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case 'hebrew':
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return $style->numerals($num, ['א׳א׳' => 1000000 ,'א׳ק' => 100000 ,'א׳י' => 10000 ,'ה׳' => 5000 ,'ב׳' => 2000 ,'א׳' => 1000 ,'ץ' => 900 ,'ף' => 800 ,'ן' => 700 ,'ם' => 600 ,'ך' => 500 ,'ת' => 400 ,'ש' => 300 ,'ר' => 200 ,'ק' => 100 ,'צ' => 90 ,'פ' => 80 ,'ע' => 70 ,'ס' => 60 ,'נ' => 50 ,'מ' => 40 ,'ל' => 30 ,'כ' => 20 ,'יט' => 19 ,'יח' => 18 ,'יז' => 17 ,'ט״ז' => 16 ,'ט״ו' => 15 ,'יד' => 14 ,'יג' => 13 ,'יב' => 12 ,'יא' => 11 ,'י' => 10 ,'ט' => 9 ,'ח' => 8 ,'ז' => 7,'ו' => 6 ,'ה' => 5 ,'ד' => 4 ,'ג' => 3 ,'ב' => 2 ,'א' => 1]);
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case 'georgian':
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return $style->numerals($num, ['ჵ' => 10000, 'ჰ' => 9000, 'ჯ' => 8000, 'ჴ' => 7000, 'ხ' => 6000, 'ჭ' => 5000, 'წ' => 4000, 'ძ' => 3000, 'ც' => 2000, 'ჩ' => 1000, 'შ' => 900, 'ყ' => 800, 'ღ' => 700, 'ქ' => 600, 'ფ' => 500, 'ჳ' => 400, 'ტ' => 300, 'ს' => 200, 'რ' => 100, 'ჟ' => 90, 'პ' => 80, 'ო' => 70, 'ჲ' => 60, 'ნ' => 50, 'მ' => 40, 'ლ' => 30, 'კ' => 20, 'ი' => 10, 'თ' => 9, 'ჱ' => 8, 'ზ' => 7, 'ვ' => 6, 'ე' => 5, 'დ' => 4, 'გ' => 3, 'ბ' => 2, 'ა' => 1]);
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case 'footnote':
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return $style->toAlpha($num, ['*','†','‡','§','ƒ']);
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case 'disc':
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return '●';
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case 'circle':
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return '○';
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case 'square':
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return '■';
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case 'none':
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return '';
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default:
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return $num;
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}
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}
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/**
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* Class StyleType
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*
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* functions for converting numbers to different formats defined by css List-Style-Type
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*
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*
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*/
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class StyleType
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{
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/**
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* Takes a positive integer and returns the equivalent alpha value.
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*
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* eg. The below returns a lower case alphabetic value for 90.
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* toAlpha(90,range('a','z')
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*
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* eg. The below returns a lower case greek letters for 128.
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* toAlpha(128,array('α', 'β', 'γ', 'δ', 'ε', 'ζ', 'η', 'θ', 'ι', 'κ', 'λ', 'μ', 'ν', 'ξ', 'ο', 'π', 'ρ', 'σ', 'τ', 'υ', 'φ', 'χ', 'ψ', 'ω'));
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*
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* @param $number int The number to be turned into characters
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*
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* @param $alphabet array set of letters
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*
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* @return string alpha representation of $number
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*/
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public function toAlpha($number, $alphabet)
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{
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$count = count($alphabet);
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if ($number <= $count) {
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return $alphabet[$number - 1];
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}
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$alpha = '';
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while ($number > 0) {
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$modulo = ($number - 1) % $count;
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$alpha = $alphabet[$modulo] . $alpha;
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$number = floor((($number - $modulo) / $count));
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}
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return $alpha;
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}
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/**
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*
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* Turns a positive integer into a uppercase roman numeral.
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* @param $number int The value to be converted into a roman numeral
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* @param $table array An array of roman numerals, (zero normally specified)
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*
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* @return string|int Roman numeral of $number
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*/
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public function numerals($number, $table = ['M' => 1000, 'CM' => 900, 'D' => 500, 'CD' => 400, 'C' => 100, 'XC' => 90, 'L' => 50, 'XL' => 40, 'X' => 10, 'IX' => 9, 'V' => 5, 'IV' => 4, 'I' => 1])
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{
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$return = '';
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while ($number > 0) {
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foreach ($table as $rom => $value) {
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if ($number >= $value) {
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$number -= $value;
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$return .= $rom;
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break;
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}
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}
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}
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return $return;
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}
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}
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