@@ -10,31 +10,31 @@ discard block |
||
10 | 10 | class ShortestCommonSuperstring |
11 | 11 | { |
12 | 12 | /** |
13 | - * @var integer Affix length for current iteration |
|
14 | - */ |
|
13 | + * @var integer Affix length for current iteration |
|
14 | + */ |
|
15 | 15 | protected $len; |
16 | 16 | |
17 | 17 | /** |
18 | - * @var string[] Prefixes of current length |
|
19 | - */ |
|
18 | + * @var string[] Prefixes of current length |
|
19 | + */ |
|
20 | 20 | protected $prefixes; |
21 | 21 | |
22 | 22 | /** |
23 | - * @var string[] Strings being merged |
|
24 | - */ |
|
23 | + * @var string[] Strings being merged |
|
24 | + */ |
|
25 | 25 | protected $strings; |
26 | 26 | |
27 | 27 | /** |
28 | - * @var string[] Suffixes of current length |
|
29 | - */ |
|
28 | + * @var string[] Suffixes of current length |
|
29 | + */ |
|
30 | 30 | protected $suffixes; |
31 | 31 | |
32 | 32 | /** |
33 | - * Get the shortest string that contains all given strings |
|
34 | - * |
|
35 | - * @param string[] $strings |
|
36 | - * @return string |
|
37 | - */ |
|
33 | + * Get the shortest string that contains all given strings |
|
34 | + * |
|
35 | + * @param string[] $strings |
|
36 | + * @return string |
|
37 | + */ |
|
38 | 38 | public function getShortest(array $strings): string |
39 | 39 | { |
40 | 40 | $this->strings = array_unique($strings); |
@@ -56,8 +56,8 @@ discard block |
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56 | 56 | } |
57 | 57 | |
58 | 58 | /** |
59 | - * Compare given strings |
|
60 | - */ |
|
59 | + * Compare given strings |
|
60 | + */ |
|
61 | 61 | protected static function compareStrings(string $a, string $b): int |
62 | 62 | { |
63 | 63 | $aLen = strlen($a); |
@@ -73,11 +73,11 @@ discard block |
||
73 | 73 | } |
74 | 74 | |
75 | 75 | /** |
76 | - * Match and merge a string by key |
|
77 | - * |
|
78 | - * @param integer $leftKey Left string's key |
|
79 | - * @return bool Whether a match was found and strings merged |
|
80 | - */ |
|
76 | + * Match and merge a string by key |
|
77 | + * |
|
78 | + * @param integer $leftKey Left string's key |
|
79 | + * @return bool Whether a match was found and strings merged |
|
80 | + */ |
|
81 | 81 | protected function mergeString(int $leftKey): bool |
82 | 82 | { |
83 | 83 | // Temporarily blank this string's prefix from the array to avoid matches |
@@ -99,8 +99,8 @@ discard block |
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99 | 99 | } |
100 | 100 | |
101 | 101 | /** |
102 | - * Merge two stored strings together at current affix length |
|
103 | - */ |
|
102 | + * Merge two stored strings together at current affix length |
|
103 | + */ |
|
104 | 104 | protected function mergeStringPair(int $leftKey, int $rightKey): void |
105 | 105 | { |
106 | 106 | $this->strings[$leftKey] .= substr($this->strings[$rightKey], $this->len); |
@@ -109,8 +109,8 @@ discard block |
||
109 | 109 | } |
110 | 110 | |
111 | 111 | /** |
112 | - * Merge all stored strings using current affix length |
|
113 | - */ |
|
112 | + * Merge all stored strings using current affix length |
|
113 | + */ |
|
114 | 114 | protected function mergeStrings(): void |
115 | 115 | { |
116 | 116 | $this->storeAffixes(); |
@@ -127,11 +127,11 @@ discard block |
||
127 | 127 | } |
128 | 128 | |
129 | 129 | /** |
130 | - * Match and merge strings from given group |
|
131 | - * |
|
132 | - * @param integer[] $keys List of keys |
|
133 | - * @return void |
|
134 | - */ |
|
130 | + * Match and merge strings from given group |
|
131 | + * |
|
132 | + * @param integer[] $keys List of keys |
|
133 | + * @return void |
|
134 | + */ |
|
135 | 135 | protected function mergeStringsGroup(array $keys): void |
136 | 136 | { |
137 | 137 | foreach ($keys as $leftKey) |
@@ -147,8 +147,8 @@ discard block |
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147 | 147 | } |
148 | 148 | |
149 | 149 | /** |
150 | - * Remove empty strings from the list |
|
151 | - */ |
|
150 | + * Remove empty strings from the list |
|
151 | + */ |
|
152 | 152 | protected function removeEmptyStrings(): void |
153 | 153 | { |
154 | 154 | if (end($this->strings) === '') |
@@ -158,8 +158,8 @@ discard block |
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158 | 158 | } |
159 | 159 | |
160 | 160 | /** |
161 | - * Remove fully-overlapping strings from the list |
|
162 | - */ |
|
161 | + * Remove fully-overlapping strings from the list |
|
162 | + */ |
|
163 | 163 | protected function removeFullyOverlappingStrings(): void |
164 | 164 | { |
165 | 165 | // Copy the list of strings ordered by ascending length and create a master string by |
@@ -192,8 +192,8 @@ discard block |
||
192 | 192 | } |
193 | 193 | |
194 | 194 | /** |
195 | - * Reset the keys in the string list to remove the gaps |
|
196 | - */ |
|
195 | + * Reset the keys in the string list to remove the gaps |
|
196 | + */ |
|
197 | 197 | protected function resetKeys(): void |
198 | 198 | { |
199 | 199 | end($this->strings); |
@@ -204,18 +204,18 @@ discard block |
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204 | 204 | } |
205 | 205 | |
206 | 206 | /** |
207 | - * Sort the stored strings |
|
208 | - */ |
|
207 | + * Sort the stored strings |
|
208 | + */ |
|
209 | 209 | protected function sortStrings(): void |
210 | 210 | { |
211 | 211 | usort($this->strings, [__CLASS__, 'compareStrings']); |
212 | 212 | } |
213 | 213 | |
214 | 214 | /** |
215 | - * Capture and stored affixes of current length |
|
216 | - * |
|
217 | - * Will only store affixes from strings that are longer than current affix length |
|
218 | - */ |
|
215 | + * Capture and stored affixes of current length |
|
216 | + * |
|
217 | + * Will only store affixes from strings that are longer than current affix length |
|
218 | + */ |
|
219 | 219 | protected function storeAffixes(): void |
220 | 220 | { |
221 | 221 | $this->prefixes = []; |