|
1
|
|
|
<?php |
|
2
|
|
|
/* |
|
|
|
|
|
|
3
|
|
|
* citeproc-php |
|
4
|
|
|
* |
|
5
|
|
|
* @link http://github.com/seboettg/citeproc-php for the source repository |
|
6
|
|
|
* @copyright Copyright (c) 2016 Sebastian Böttger. |
|
7
|
|
|
* @license https://opensource.org/licenses/MIT |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
namespace Seboettg\CiteProc\Util; |
|
11
|
|
|
|
|
12
|
|
|
use Closure; |
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* Class Number |
|
16
|
|
|
* @package Seboettg\CiteProc\Util |
|
|
|
|
|
|
17
|
|
|
* |
|
18
|
|
|
* @author Sebastian Böttger <[email protected]> |
|
19
|
|
|
*/ |
|
|
|
|
|
|
20
|
|
|
class NumberHelper |
|
21
|
|
|
{ |
|
22
|
|
|
|
|
23
|
|
|
const PATTERN_ORDINAL = "/\d+(st|nd|rd|th)?\.?$/"; |
|
24
|
|
|
|
|
25
|
|
|
const PATTERN_ROMAN = "/^[ivxlcdm]+\.?$/i"; |
|
26
|
|
|
|
|
27
|
|
|
const PATTERN_AFFIXES = "/^[a-z]?\d+[a-z]?$/i"; |
|
28
|
|
|
|
|
29
|
|
|
const PATTERN_COMMA_AMPERSAND_RANGE = "/\d*([\s?\-&+,;\s])+\d+/"; |
|
30
|
|
|
|
|
31
|
|
|
const ROMAN_NUMERALS = [ |
|
32
|
|
|
["", "i", "ii", "iii", "iv", "v", "vi", "vii", "viii", "ix"], |
|
33
|
|
|
["", "x", "xx", "xxx", "xl", "l", "lx", "lxx", "lxxx", "xc"], |
|
34
|
|
|
["", "c", "cc", "ccc", "cd", "d", "dc", "dcc", "dccc", "cm"], |
|
35
|
|
|
["", "m", "mm", "mmm", "mmmm", "mmmmm"] |
|
36
|
|
|
]; |
|
37
|
|
|
|
|
38
|
|
|
const ROMAN_DIGITS = [ |
|
39
|
|
|
"M" => 1000, |
|
40
|
|
|
"D" => 500, |
|
41
|
|
|
"C" => 100, |
|
42
|
|
|
"L" => 50, |
|
43
|
|
|
"X" => 10, |
|
44
|
|
|
"V" => 5, |
|
45
|
|
|
"I" => 1 |
|
46
|
|
|
]; |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
|
|
|
|
|
49
|
|
|
* @return Closure |
|
50
|
|
|
*/ |
|
51
|
|
|
public static function getCompareNumber() |
|
52
|
|
|
{ |
|
53
|
|
|
return function($numA, $numB, $order) { |
|
|
|
|
|
|
54
|
|
|
if (is_numeric($numA) && is_numeric($numB)) { |
|
55
|
|
|
$ret = $numA - $numB; |
|
56
|
|
|
} else { |
|
57
|
|
|
$ret = strcasecmp($numA, $numB); |
|
58
|
|
|
} |
|
59
|
|
|
if ("descending" === $order) { |
|
60
|
|
|
return $ret > 0 ? -1 : 1; |
|
61
|
|
|
} |
|
62
|
|
|
return $ret > 0 ? 1 : -1; |
|
63
|
|
|
}; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
|
|
|
|
|
67
|
|
|
* @param $num |
|
|
|
|
|
|
68
|
|
|
* @return string |
|
|
|
|
|
|
69
|
|
|
*/ |
|
70
|
4 |
|
public static function dec2roman($num) |
|
71
|
|
|
{ |
|
72
|
4 |
|
$ret = ""; |
|
73
|
4 |
|
if ($num < 6000) { |
|
74
|
|
|
|
|
75
|
4 |
|
$numStr = strrev($num); |
|
76
|
4 |
|
$len = strlen($numStr); |
|
77
|
4 |
|
for ($pos = 0; $pos < $len; $pos++) { |
|
78
|
4 |
|
$n = $numStr[$pos]; |
|
79
|
4 |
|
$ret = self::ROMAN_NUMERALS[$pos][$n] . $ret; |
|
80
|
|
|
} |
|
81
|
|
|
} |
|
82
|
4 |
|
return $ret; |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
|
|
|
|
|
86
|
|
|
* @param $romanNumber |
|
|
|
|
|
|
87
|
|
|
* @return int|mixed |
|
|
|
|
|
|
88
|
|
|
*/ |
|
89
|
4 |
|
public static function roman2Dec($romanNumber) |
|
90
|
|
|
{ |
|
91
|
4 |
|
$romanNumber = trim($romanNumber); |
|
92
|
4 |
|
if (is_numeric($romanNumber)) { |
|
93
|
|
|
return 0; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
4 |
|
$values = []; |
|
97
|
|
|
// Convert the string to an array of roman values: |
|
98
|
4 |
|
for ($i = 0; $i < strlen($romanNumber); ++$i) { |
|
99
|
4 |
|
$char = strtoupper($romanNumber{$i}); |
|
100
|
4 |
|
if (self::ROMAN_DIGITS[$char] !== null) { |
|
101
|
4 |
|
$values[] = self::ROMAN_DIGITS[$char]; |
|
102
|
|
|
} |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
4 |
|
$sum = 0; |
|
106
|
4 |
|
while ($current = current($values)) { |
|
107
|
4 |
|
$next = next($values); |
|
108
|
4 |
|
$next > $current ? $sum += $next - $current + 0 * next($values) : $sum += $current; |
|
109
|
|
|
} |
|
110
|
4 |
|
return $sum; |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
22 |
|
public static function isRomanNumber($str) |
|
|
|
|
|
|
114
|
|
|
{ |
|
115
|
22 |
|
$number = trim($str); |
|
116
|
22 |
|
for ($i = 0; $i < strlen($number); ++$i) { |
|
117
|
22 |
|
$char = strtoupper($number{$i}); |
|
118
|
22 |
|
if (!in_array($char, array_keys(self::ROMAN_DIGITS))) { |
|
119
|
21 |
|
return false; |
|
120
|
|
|
} |
|
121
|
|
|
} |
|
122
|
4 |
|
return true; |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
/** |
|
|
|
|
|
|
126
|
|
|
* @param $str |
|
|
|
|
|
|
127
|
|
|
* @return string |
|
|
|
|
|
|
128
|
|
|
*/ |
|
129
|
1 |
|
public static function evaluateStringPluralism($str) |
|
130
|
|
|
{ |
|
131
|
1 |
|
$plural = 'single'; |
|
132
|
1 |
|
if (!empty($str)) { |
|
133
|
1 |
|
$isRange = self::isRange($str); |
|
134
|
1 |
|
if ($isRange) { |
|
135
|
1 |
|
return 'multiple'; |
|
136
|
|
|
} else { |
|
137
|
1 |
|
if (is_numeric($str) || NumberHelper::isRomanNumber($str)) { |
|
138
|
1 |
|
return 'single'; |
|
139
|
|
|
} |
|
140
|
|
|
} |
|
141
|
|
|
} |
|
142
|
|
|
return $plural; |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
49 |
|
public static function extractNumber($string) |
|
|
|
|
|
|
146
|
|
|
{ |
|
147
|
49 |
|
if (preg_match("/(\d+)[^\d]*$/", $string, $match)) { |
|
148
|
49 |
|
return $match[1]; |
|
149
|
|
|
} |
|
150
|
3 |
|
return $string; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
|
|
|
|
|
154
|
|
|
* @param $str |
|
|
|
|
|
|
155
|
|
|
* @return array[]|false|string[] |
|
|
|
|
|
|
156
|
|
|
*/ |
|
157
|
20 |
|
public static function splitByRangeDelimiter($str) |
|
158
|
|
|
{ |
|
159
|
20 |
|
return preg_split("/[-–&,]/", $str); |
|
160
|
|
|
} |
|
161
|
|
|
|
|
162
|
|
|
/** |
|
|
|
|
|
|
163
|
|
|
* @param string $str |
|
|
|
|
|
|
164
|
|
|
* @return bool |
|
|
|
|
|
|
165
|
|
|
*/ |
|
166
|
1 |
|
private static function isRange($str) |
|
|
|
|
|
|
167
|
|
|
{ |
|
168
|
1 |
|
$rangeParts = self::splitByRangeDelimiter($str); |
|
169
|
1 |
|
$isRange = false; |
|
170
|
1 |
|
if (count($rangeParts) > 1) { |
|
|
|
|
|
|
171
|
1 |
|
$isRange = true; |
|
172
|
1 |
|
foreach ($rangeParts as $range) { |
|
173
|
1 |
|
if (NumberHelper::isRomanNumber(trim($range)) || is_numeric(trim($range))) { |
|
174
|
1 |
|
$isRange = $isRange && true; |
|
175
|
|
|
} |
|
176
|
|
|
} |
|
177
|
|
|
} |
|
178
|
1 |
|
return $isRange; |
|
179
|
|
|
} |
|
180
|
|
|
|
|
181
|
|
|
/** |
|
|
|
|
|
|
182
|
|
|
* @param int|string $number |
|
|
|
|
|
|
183
|
|
|
* @return bool |
|
|
|
|
|
|
184
|
|
|
*/ |
|
185
|
19 |
|
public static function isRomanRange($number) |
|
186
|
|
|
{ |
|
187
|
19 |
|
$rangeParts = array_map("trim", self::splitByRangeDelimiter($number)); |
|
|
|
|
|
|
188
|
19 |
|
$isRange = false; |
|
189
|
19 |
|
if (count($rangeParts) > 1) { |
|
190
|
11 |
|
$isRange = true; |
|
191
|
11 |
|
foreach ($rangeParts as $part) { |
|
192
|
11 |
|
$isRange = $isRange && NumberHelper::isRomanNumber($part); |
|
193
|
|
|
} |
|
194
|
|
|
} |
|
195
|
19 |
|
return $isRange; |
|
196
|
|
|
} |
|
197
|
|
|
} |
|
198
|
|
|
|
seboettg /
citeproc-php
Loading history...
