Total Complexity | 101 |
Total Lines | 779 |
Duplicated Lines | 0 % |
Coverage | 100% |
Changes | 0 |
Complex classes like EnumSet often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use EnumSet, and based on these observations, apply Extract Interface, too.
1 | <?php |
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21 | class EnumSet implements IteratorAggregate, Countable |
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22 | { |
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23 | /** |
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24 | * The classname of the Enumeration |
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25 | * @var string |
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26 | */ |
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27 | private $enumeration; |
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28 | |||
29 | /** |
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30 | * Number of enumerators defined in the enumeration |
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31 | * @var int |
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32 | */ |
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33 | private $enumerationCount; |
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34 | |||
35 | /** |
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36 | * Integer or binary (little endian) bitset |
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37 | * @var int|string |
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38 | */ |
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39 | private $bitset = 0; |
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40 | |||
41 | /**#@+ |
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42 | * Defines private method names to be called depended of how the bitset type was set too. |
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43 | * ... Integer or binary bitset. |
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44 | * ... *Int or *Bin method |
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45 | * |
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46 | * @var string |
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47 | */ |
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48 | private $fnDoGetIterator = 'doGetIteratorInt'; |
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49 | private $fnDoCount = 'doCountInt'; |
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50 | private $fnDoGetOrdinals = 'doGetOrdinalsInt'; |
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51 | private $fnDoGetBit = 'doGetBitInt'; |
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52 | private $fnDoSetBit = 'doSetBitInt'; |
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53 | private $fnDoUnsetBit = 'doUnsetBitInt'; |
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54 | private $fnDoGetBinaryBitsetLe = 'doGetBinaryBitsetLeInt'; |
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55 | private $fnDoSetBinaryBitsetLe = 'doSetBinaryBitsetLeInt'; |
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56 | /**#@-*/ |
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57 | |||
58 | /** |
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59 | * Constructor |
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60 | * |
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61 | * @param string $enumeration The classname of the enumeration |
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62 | * @throws InvalidArgumentException |
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63 | */ |
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64 | 65 | public function __construct(string $enumeration) |
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65 | { |
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66 | 65 | if (!\is_subclass_of($enumeration, Enum::class)) { |
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67 | 1 | throw new InvalidArgumentException(\sprintf( |
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68 | 1 | '%s can handle subclasses of %s only', |
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69 | 1 | __METHOD__, |
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70 | 1 | Enum::class |
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71 | )); |
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72 | } |
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73 | |||
74 | 64 | $this->enumeration = $enumeration; |
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75 | 64 | $this->enumerationCount = \count($enumeration::getConstants()); |
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76 | |||
77 | // By default the bitset is initialized as integer bitset |
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78 | // in case the enumeraton has more enumerators then integer bits |
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79 | // we will switch this into a binary bitset |
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80 | 64 | if ($this->enumerationCount > \PHP_INT_SIZE * 8) { |
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81 | // init binary bitset with zeros |
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82 | 15 | $this->bitset = \str_repeat("\0", (int)\ceil($this->enumerationCount / 8)); |
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83 | |||
84 | // switch internal binary bitset functions |
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85 | 15 | $this->fnDoGetIterator = 'doGetIteratorBin'; |
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86 | 15 | $this->fnDoCount = 'doCountBin'; |
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87 | 15 | $this->fnDoGetOrdinals = 'doGetOrdinalsBin'; |
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88 | 15 | $this->fnDoGetBit = 'doGetBitBin'; |
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89 | 15 | $this->fnDoSetBit = 'doSetBitBin'; |
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90 | 15 | $this->fnDoUnsetBit = 'doUnsetBitBin'; |
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91 | 15 | $this->fnDoGetBinaryBitsetLe = 'doGetBinaryBitsetLeBin'; |
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92 | 15 | $this->fnDoSetBinaryBitsetLe = 'doSetBinaryBitsetLeBin'; |
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93 | } |
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94 | 64 | } |
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95 | |||
96 | /** |
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97 | * Get the classname of the enumeration |
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98 | * @return string |
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99 | */ |
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100 | 1 | public function getEnumeration(): string |
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101 | { |
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102 | 1 | return $this->enumeration; |
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103 | } |
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104 | |||
105 | /** |
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106 | * Adds the given enumerator |
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107 | * @param Enum|null|bool|int|float|string|array $enumerator |
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108 | * @return static |
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109 | * @throws InvalidArgumentException On an invalid given enumerator |
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110 | */ |
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111 | 41 | public function withEnumerator($enumerator): self |
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112 | { |
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113 | 41 | $clone = clone $this; |
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114 | 41 | $clone->{$this->fnDoSetBit}(($this->enumeration)::get($enumerator)->getOrdinal()); |
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115 | 41 | return $clone; |
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116 | } |
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117 | |||
118 | /** |
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119 | * Removed an enumerator |
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120 | * @param Enum|null|bool|int|float|string|array $enumerator |
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121 | * @return static |
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122 | * @throws InvalidArgumentException On an invalid given enumerator |
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123 | */ |
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124 | 4 | public function withoutEnumerator($enumerator): self |
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125 | { |
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126 | 4 | $clone = clone $this; |
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127 | 4 | $clone->{$this->fnDoUnsetBit}(($this->enumeration)::get($enumerator)->getOrdinal()); |
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128 | 4 | return $clone; |
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129 | } |
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130 | |||
131 | /** |
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132 | * Test if the given enumerator exists |
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133 | * @param Enum|null|bool|int|float|string|array $enumerator |
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134 | * @return bool |
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135 | */ |
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136 | 11 | public function contains($enumerator): bool |
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139 | } |
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140 | |||
141 | /* IteratorAggregate */ |
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142 | |||
143 | /** |
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144 | * Get a new iterator |
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145 | * @return Iterator |
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146 | * @uses doGetIteratorInt() |
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147 | * @uses doGetIteratorBin() |
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148 | */ |
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149 | 17 | public function getIterator(): Iterator |
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150 | { |
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151 | 17 | return $this->{$this->fnDoGetIterator}(); |
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152 | } |
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153 | |||
154 | /** |
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155 | * Get a new Iterator. |
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156 | * |
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157 | * This is the binary bitset implementation. |
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158 | * |
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159 | * @return Iterator |
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160 | * @see getIterator() |
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161 | * @see goGetIteratorInt() |
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162 | */ |
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163 | 5 | private function doGetIteratorBin(): Iterator |
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164 | { |
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165 | 5 | $bitset = $this->bitset; |
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166 | 5 | $byteLen = \strlen($bitset); |
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167 | 5 | for ($bytePos = 0; $bytePos < $byteLen; ++$bytePos) { |
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168 | 5 | if ($bitset[$bytePos] === "\0") { |
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169 | // fast skip null byte |
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170 | 3 | continue; |
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171 | } |
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172 | |||
173 | 5 | $ord = \ord($bitset[$bytePos]); |
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174 | 5 | for ($bitPos = 0; $bitPos < 8; ++$bitPos) { |
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175 | 5 | if ($ord & (1 << $bitPos)) { |
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176 | 5 | $ordinal = $bytePos * 8 + $bitPos; |
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177 | 5 | yield $ordinal => ($this->enumeration)::byOrdinal($ordinal); |
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178 | } |
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179 | } |
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180 | } |
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181 | 5 | } |
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182 | |||
183 | /** |
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184 | * Get a new Iterator. |
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185 | * |
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186 | * This is the integer bitset implementation. |
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187 | * |
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188 | * @return Iterator |
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189 | * @see getIterator() |
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190 | * @see doGetIteratorBin() |
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191 | */ |
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192 | 12 | private function doGetIteratorInt(): Iterator |
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193 | { |
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194 | 12 | $count = $this->enumerationCount; |
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195 | 12 | $bitset = $this->bitset; |
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196 | 12 | for ($ordinal = 0; $ordinal < $count; ++$ordinal) { |
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197 | 12 | if ($bitset & (1 << $ordinal)) { |
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198 | 10 | yield $ordinal => ($this->enumeration)::byOrdinal($ordinal); |
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199 | } |
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200 | } |
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201 | 10 | } |
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202 | |||
203 | /* Countable */ |
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204 | |||
205 | /** |
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206 | * Count the number of elements |
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207 | * |
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208 | * @return int |
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209 | * @uses doCountBin() |
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210 | * @uses doCountInt() |
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211 | */ |
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212 | 15 | public function count(): int |
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213 | { |
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214 | 15 | return $this->{$this->fnDoCount}(); |
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215 | } |
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216 | |||
217 | /** |
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218 | * Count the number of elements. |
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219 | * |
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220 | * This is the binary bitset implementation. |
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221 | * |
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222 | * @return int |
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223 | * @see count() |
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224 | * @see doCountInt() |
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225 | */ |
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226 | 7 | private function doCountBin(): int |
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227 | { |
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228 | 7 | $count = 0; |
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229 | 7 | $bitset = $this->bitset; |
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230 | 7 | $byteLen = \strlen($bitset); |
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231 | 7 | for ($bytePos = 0; $bytePos < $byteLen; ++$bytePos) { |
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232 | 7 | if ($bitset[$bytePos] === "\0") { |
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233 | // fast skip null byte |
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234 | 5 | continue; |
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235 | } |
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236 | |||
237 | 7 | $ord = \ord($bitset[$bytePos]); |
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238 | 7 | if ($ord & 0b00000001) ++$count; |
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239 | 7 | if ($ord & 0b00000010) ++$count; |
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240 | 7 | if ($ord & 0b00000100) ++$count; |
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241 | 7 | if ($ord & 0b00001000) ++$count; |
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242 | 7 | if ($ord & 0b00010000) ++$count; |
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243 | 7 | if ($ord & 0b00100000) ++$count; |
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244 | 7 | if ($ord & 0b01000000) ++$count; |
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245 | 7 | if ($ord & 0b10000000) ++$count; |
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246 | } |
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247 | 7 | return $count; |
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248 | } |
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249 | |||
250 | /** |
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251 | * Count the number of elements. |
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252 | * |
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253 | * This is the integer bitset implementation. |
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254 | * |
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255 | * @return int |
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256 | * @see count() |
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257 | * @see doCountBin() |
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258 | */ |
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259 | 8 | private function doCountInt(): int |
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260 | { |
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261 | 8 | $count = 0; |
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262 | 8 | $bitset = $this->bitset; |
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263 | |||
264 | // PHP does not support right shift unsigned |
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265 | 8 | if ($bitset < 0) { |
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266 | 2 | $count = 1; |
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267 | 2 | $bitset = $bitset & \PHP_INT_MAX; |
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268 | } |
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269 | |||
270 | // iterate byte by byte and count set bits |
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271 | 8 | $phpIntBitSize = \PHP_INT_SIZE * 8; |
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272 | 8 | for ($bitPos = 0; $bitPos < $phpIntBitSize; $bitPos += 8) { |
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273 | 8 | $bitChk = 0xff << $bitPos; |
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274 | 8 | $byte = $bitset & $bitChk; |
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275 | 8 | if ($byte) { |
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276 | 7 | $byte = $byte >> $bitPos; |
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277 | 7 | if ($byte & 0b00000001) ++$count; |
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278 | 7 | if ($byte & 0b00000010) ++$count; |
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279 | 7 | if ($byte & 0b00000100) ++$count; |
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280 | 7 | if ($byte & 0b00001000) ++$count; |
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281 | 7 | if ($byte & 0b00010000) ++$count; |
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282 | 7 | if ($byte & 0b00100000) ++$count; |
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283 | 7 | if ($byte & 0b01000000) ++$count; |
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284 | 7 | if ($byte & 0b10000000) ++$count; |
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285 | } |
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286 | |||
287 | 8 | if ($bitset <= $bitChk) { |
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288 | 7 | break; |
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289 | } |
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290 | } |
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291 | |||
292 | 8 | return $count; |
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293 | } |
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294 | |||
295 | /** |
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296 | * Check if this EnumSet is the same as other |
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297 | * @param EnumSet $other |
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298 | * @return bool |
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299 | */ |
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300 | 3 | public function isEqual(EnumSet $other): bool |
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301 | { |
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302 | 3 | return $this->enumeration === $other->enumeration |
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303 | 3 | && $this->bitset === $other->bitset; |
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304 | } |
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305 | |||
306 | /** |
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307 | * Check if this EnumSet is a subset of other |
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308 | * @param EnumSet $other |
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309 | * @return bool |
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310 | */ |
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311 | 4 | public function isSubset(EnumSet $other): bool |
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312 | { |
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313 | 4 | return $this->enumeration === $other->enumeration |
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314 | 4 | && ($this->bitset & $other->bitset) === $this->bitset; |
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315 | } |
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316 | |||
317 | /** |
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318 | * Check if this EnumSet is a superset of other |
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319 | * @param EnumSet $other |
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320 | * @return bool |
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321 | */ |
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322 | 4 | public function isSuperset(EnumSet $other): bool |
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323 | { |
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324 | 4 | return $this->enumeration === $other->enumeration |
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325 | 4 | && ($this->bitset | $other->bitset) === $this->bitset; |
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326 | } |
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327 | |||
328 | /** |
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329 | * Produce a new set with enumerators from both this and other (this | other) |
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330 | * |
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331 | * @param EnumSet $other EnumSet of the same enumeration to produce the union |
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332 | * @return EnumSet |
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333 | * @throws InvalidArgumentException If $other doesn't match the enumeration |
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334 | */ |
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335 | 2 | public function union(EnumSet $other): EnumSet |
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336 | { |
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337 | 2 | if ($this->enumeration !== $other->enumeration) { |
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338 | 1 | throw new InvalidArgumentException(\sprintf( |
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339 | 1 | 'Other should be of the same enumeration as this %s', |
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340 | 1 | $this->enumeration |
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341 | )); |
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342 | } |
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343 | |||
344 | 1 | $clone = clone $this; |
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345 | 1 | $clone->bitset = $this->bitset | $other->bitset; |
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346 | 1 | return $clone; |
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347 | } |
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348 | |||
349 | /** |
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350 | * Produce a new set with enumerators common to both this and other (this & other) |
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351 | * |
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352 | * @param EnumSet $other EnumSet of the same enumeration to produce the intersect |
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353 | * @return EnumSet |
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354 | * @throws InvalidArgumentException If $other doesn't match the enumeration |
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355 | */ |
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356 | 2 | public function intersect(EnumSet $other): EnumSet |
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357 | { |
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358 | 2 | if ($this->enumeration !== $other->enumeration) { |
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359 | 1 | throw new InvalidArgumentException(\sprintf( |
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360 | 1 | 'Other should be of the same enumeration as this %s', |
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361 | 1 | $this->enumeration |
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362 | )); |
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363 | } |
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364 | |||
365 | 1 | $clone = clone $this; |
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366 | 1 | $clone->bitset = $this->bitset & $other->bitset; |
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367 | 1 | return $clone; |
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368 | } |
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369 | |||
370 | /** |
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371 | * Produce a new set with enumerators in this but not in other (this - other) |
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372 | * |
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373 | * @param EnumSet $other EnumSet of the same enumeration to produce the diff |
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374 | * @return EnumSet |
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375 | * @throws InvalidArgumentException If $other doesn't match the enumeration |
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376 | */ |
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377 | 2 | public function diff(EnumSet $other): EnumSet |
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378 | { |
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379 | 2 | if ($this->enumeration !== $other->enumeration) { |
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380 | 1 | throw new InvalidArgumentException(\sprintf( |
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381 | 1 | 'Other should be of the same enumeration as this %s', |
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382 | 1 | $this->enumeration |
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383 | )); |
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384 | } |
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385 | |||
386 | 1 | $clone = clone $this; |
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387 | 1 | $clone->bitset = $this->bitset & ~$other->bitset; |
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388 | 1 | return $clone; |
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389 | } |
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390 | |||
391 | /** |
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392 | * Produce a new set with enumerators in either this and other but not in both (this ^ other) |
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393 | * |
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394 | * @param EnumSet $other EnumSet of the same enumeration to produce the symmetric difference |
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395 | * @return EnumSet |
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396 | * @throws InvalidArgumentException If $other doesn't match the enumeration |
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397 | */ |
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398 | 2 | public function symDiff(EnumSet $other): EnumSet |
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399 | { |
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400 | 2 | if ($this->enumeration !== $other->enumeration) { |
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401 | 1 | throw new InvalidArgumentException(\sprintf( |
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402 | 1 | 'Other should be of the same enumeration as this %s', |
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403 | 1 | $this->enumeration |
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404 | )); |
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405 | } |
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406 | |||
407 | 1 | $clone = clone $this; |
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408 | 1 | $clone->bitset = $this->bitset ^ $other->bitset; |
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409 | 1 | return $clone; |
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410 | } |
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411 | |||
412 | /** |
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413 | * Get ordinal numbers of the defined enumerators as array |
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414 | * @return int[] |
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415 | * @uses doGetOrdinalsBin() |
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416 | * @uses doGetOrdinalsInt() |
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417 | */ |
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418 | 9 | public function getOrdinals(): array |
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419 | { |
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420 | 9 | return $this->{$this->fnDoGetOrdinals}(); |
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421 | } |
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422 | |||
423 | /** |
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424 | * Get ordinal numbers of the defined enumerators as array. |
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425 | * |
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426 | * This is the binary bitset implementation. |
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427 | * |
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428 | * @return int[] |
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429 | * @see getOrdinals() |
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430 | * @see goGetOrdinalsInt() |
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431 | */ |
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432 | 1 | private function doGetOrdinalsBin(): array |
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433 | { |
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434 | 1 | $ordinals = []; |
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435 | 1 | $bitset = $this->bitset; |
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436 | 1 | $byteLen = \strlen($bitset); |
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437 | 1 | for ($bytePos = 0; $bytePos < $byteLen; ++$bytePos) { |
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438 | 1 | if ($bitset[$bytePos] === "\0") { |
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439 | // fast skip null byte |
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440 | 1 | continue; |
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441 | } |
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442 | |||
443 | 1 | $ord = \ord($bitset[$bytePos]); |
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444 | 1 | for ($bitPos = 0; $bitPos < 8; ++$bitPos) { |
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445 | 1 | if ($ord & (1 << $bitPos)) { |
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446 | 1 | $ordinals[] = $bytePos * 8 + $bitPos; |
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447 | } |
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448 | } |
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449 | } |
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450 | 1 | return $ordinals; |
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451 | } |
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452 | |||
453 | /** |
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454 | * Get ordinal numbers of the defined enumerators as array. |
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455 | * |
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456 | * This is the integer bitset implementation. |
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457 | * |
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458 | * @return int[] |
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459 | * @see getOrdinals() |
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460 | * @see doGetOrdinalsBin() |
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461 | */ |
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462 | 8 | private function doGetOrdinalsInt(): array |
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463 | { |
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464 | 8 | $ordinals = []; |
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465 | 8 | $count = $this->enumerationCount; |
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466 | 8 | $bitset = $this->bitset; |
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467 | 8 | for ($ordinal = 0; $ordinal < $count; ++$ordinal) { |
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468 | 8 | if ($bitset & (1 << $ordinal)) { |
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469 | 8 | $ordinals[] = $ordinal; |
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470 | } |
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471 | } |
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472 | 8 | return $ordinals; |
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473 | } |
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474 | |||
475 | /** |
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476 | * Get values of the defined enumerators as array |
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477 | * @return mixed[] |
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478 | */ |
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479 | 5 | public function getValues(): array |
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480 | { |
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481 | 5 | $enumeration = $this->enumeration; |
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482 | 5 | $values = []; |
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483 | 5 | foreach ($this->getOrdinals() as $ord) { |
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484 | 5 | $values[] = $enumeration::byOrdinal($ord)->getValue(); |
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485 | } |
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486 | 5 | return $values; |
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487 | } |
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488 | |||
489 | /** |
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490 | * Get names of the defined enumerators as array |
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491 | * @return string[] |
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492 | */ |
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493 | 1 | public function getNames(): array |
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494 | { |
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495 | 1 | $enumeration = $this->enumeration; |
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496 | 1 | $names = []; |
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497 | 1 | foreach ($this->getOrdinals() as $ord) { |
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498 | 1 | $names[] = $enumeration::byOrdinal($ord)->getName(); |
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499 | } |
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500 | 1 | return $names; |
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501 | } |
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502 | |||
503 | /** |
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504 | * Get the defined enumerators as array |
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505 | * @return Enum[] |
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506 | */ |
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507 | 1 | public function getEnumerators(): array |
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508 | { |
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509 | 1 | $enumeration = $this->enumeration; |
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510 | 1 | $enumerators = []; |
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511 | 1 | foreach ($this->getOrdinals() as $ord) { |
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512 | 1 | $enumerators[] = $enumeration::byOrdinal($ord); |
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513 | } |
||
514 | 1 | return $enumerators; |
|
515 | } |
||
516 | |||
517 | /** |
||
518 | * Get binary bitset in little-endian order |
||
519 | * |
||
520 | * @return string |
||
521 | * @uses doGetBinaryBitsetLeBin() |
||
522 | * @uses doGetBinaryBitsetLeInt() |
||
523 | */ |
||
524 | 6 | public function getBinaryBitsetLe(): string |
|
525 | { |
||
526 | 6 | return $this->{$this->fnDoGetBinaryBitsetLe}(); |
|
527 | } |
||
528 | |||
529 | /** |
||
530 | * Get binary bitset in little-endian order. |
||
531 | * |
||
532 | * This is the binary bitset implementation. |
||
533 | * |
||
534 | * @return string |
||
535 | * @see getBinaryBitsetLe() |
||
536 | * @see doGetBinaryBitsetLeInt() |
||
537 | */ |
||
538 | 4 | private function doGetBinaryBitsetLeBin(): string |
|
539 | { |
||
540 | 4 | return $this->bitset; |
|
541 | } |
||
542 | |||
543 | /** |
||
544 | * Get binary bitset in little-endian order. |
||
545 | * |
||
546 | * This is the integer bitset implementation. |
||
547 | * |
||
548 | * @return string |
||
549 | * @see getBinaryBitsetLe() |
||
550 | * @see doGetBinaryBitsetLeBin() |
||
551 | */ |
||
552 | 2 | private function doGetBinaryBitsetLeInt(): string |
|
553 | { |
||
554 | 2 | $bin = \pack(\PHP_INT_SIZE === 8 ? 'P' : 'V', $this->bitset); |
|
555 | 2 | return \substr($bin, 0, (int)\ceil($this->enumerationCount / 8)); |
|
556 | } |
||
557 | |||
558 | /** |
||
559 | * Set binary bitset in little-endian order |
||
560 | * |
||
561 | * @param string $bitset |
||
562 | * @return static |
||
563 | * @throws InvalidArgumentException On out-of-range bits given as input bitset |
||
564 | * @uses doSetBinaryBitsetLeBin() |
||
565 | * @uses doSetBinaryBitsetLeInt() |
||
566 | */ |
||
567 | 12 | public function withBinaryBitsetLe(string $bitset): self |
|
568 | { |
||
569 | 12 | $clone = clone $this; |
|
570 | 12 | $clone->{$this->fnDoSetBinaryBitsetLe}($bitset); |
|
571 | 6 | return $clone; |
|
572 | } |
||
573 | |||
574 | /** |
||
575 | * Set binary bitset in little-endian order |
||
576 | * |
||
577 | * @param string $bitset |
||
578 | * @return void |
||
579 | * @throws InvalidArgumentException On out-of-range bits given as input bitset |
||
580 | * @see setBinaryBitsetLeBin() |
||
581 | * @see doSetBinaryBitsetLeInt() |
||
582 | */ |
||
583 | 7 | private function doSetBinaryBitsetLeBin(string $bitset): void |
|
584 | { |
||
585 | 7 | $size = \strlen($this->bitset); |
|
586 | 7 | $sizeIn = \strlen($bitset); |
|
587 | |||
588 | 7 | if ($sizeIn < $size) { |
|
589 | // add "\0" if the given bitset is not long enough |
||
590 | 1 | $bitset .= \str_repeat("\0", $size - $sizeIn); |
|
591 | 6 | } elseif ($sizeIn > $size) { |
|
592 | 2 | if (\ltrim(\substr($bitset, $size), "\0") !== '') { |
|
593 | 1 | throw new InvalidArgumentException('out-of-range bits detected'); |
|
594 | } |
||
595 | 1 | $bitset = \substr($bitset, 0, $size); |
|
596 | } |
||
597 | |||
598 | // truncate out-of-range bits of last byte |
||
599 | 6 | $lastByteMaxOrd = $this->enumerationCount % 8; |
|
600 | 6 | if ($lastByteMaxOrd !== 0) { |
|
601 | 6 | $lastByte = $bitset[-1]; |
|
602 | 6 | $lastByteExpected = \chr((1 << $lastByteMaxOrd) - 1) & $lastByte; |
|
603 | 6 | if ($lastByte !== $lastByteExpected) { |
|
604 | 2 | throw new InvalidArgumentException('out-of-range bits detected'); |
|
605 | } |
||
606 | |||
607 | 4 | $this->bitset = \substr($bitset, 0, -1) . $lastByteExpected; |
|
608 | } |
||
609 | |||
610 | 4 | $this->bitset = $bitset; |
|
611 | 4 | } |
|
612 | |||
613 | /** |
||
614 | * Set binary bitset in little-endian order |
||
615 | * |
||
616 | * @param string $bitset |
||
617 | * @return void |
||
618 | * @throws InvalidArgumentException On out-of-range bits given as input bitset |
||
619 | * @see setBinaryBitsetLeBin() |
||
620 | * @see doSetBinaryBitsetLeBin() |
||
621 | */ |
||
622 | 5 | private function doSetBinaryBitsetLeInt(string $bitset): void |
|
641 | 2 | } |
|
642 | |||
643 | /** |
||
644 | * Get binary bitset in big-endian order |
||
645 | * |
||
646 | * @return string |
||
647 | */ |
||
648 | 1 | public function getBinaryBitsetBe(): string |
|
649 | { |
||
650 | 1 | return \strrev($this->bitset); |
|
651 | } |
||
652 | |||
653 | /** |
||
654 | * Set binary bitset in big-endian order |
||
655 | * |
||
656 | * @param string $bitset |
||
657 | * @return static |
||
658 | * @throws InvalidArgumentException On out-of-range bits given as input bitset |
||
659 | */ |
||
660 | 1 | public function withBinaryBitsetBe(string $bitset): self |
|
661 | { |
||
662 | 1 | return $this->withBinaryBitsetLe(\strrev($bitset)); |
|
663 | } |
||
664 | |||
665 | /** |
||
666 | * Get a bit at the given ordinal number |
||
667 | * |
||
668 | * @param int $ordinal Ordinal number of bit to get |
||
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|
|||
669 | * @return bool |
||
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|
|||
670 | * @throws InvalidArgumentException If the given ordinal number is out-of-range |
||
671 | * @uses doGetBitBin() |
||
672 | * @uses doGetBitInt() |
||
673 | */ |
||
674 | 3 | public function getBit(int $ordinal): bool |
|
675 | { |
||
676 | 3 | if ($ordinal < 0 || $ordinal > $this->enumerationCount) { |
|
677 | 1 | throw new InvalidArgumentException("Ordinal number must be between 0 and {$this->enumerationCount}"); |
|
1 ignored issue
–
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|
|||
678 | } |
||
679 | |||
680 | 2 | return $this->{$this->fnDoGetBit}($ordinal); |
|
681 | } |
||
682 | |||
683 | /** |
||
684 | * Get a bit at the given ordinal number. |
||
685 | * |
||
686 | * This is the binary bitset implementation. |
||
687 | * |
||
688 | * @param int $ordinal Ordinal number of bit to get |
||
2 ignored issues
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|
|||
689 | * @return bool |
||
1 ignored issue
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|
|||
690 | * @see getBit() |
||
691 | * @see doGetBitInt() |
||
692 | */ |
||
693 | 5 | private function doGetBitBin(int $ordinal): bool |
|
694 | { |
||
695 | 5 | return (\ord($this->bitset[(int) ($ordinal / 8)]) & 1 << ($ordinal % 8)) !== 0; |
|
696 | } |
||
697 | |||
698 | /** |
||
699 | * Get a bit at the given ordinal number. |
||
700 | * |
||
701 | * This is the integer bitset implementation. |
||
702 | * |
||
703 | * @param int $ordinal Ordinal number of bit to get |
||
2 ignored issues
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|
|||
704 | * @return bool |
||
1 ignored issue
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|
|||
705 | * @see getBit() |
||
706 | * @see doGetBitBin() |
||
707 | */ |
||
708 | 7 | private function doGetBitInt(int $ordinal): bool |
|
709 | { |
||
710 | 7 | return (bool)($this->bitset & (1 << $ordinal)); |
|
711 | } |
||
712 | |||
713 | /** |
||
714 | * Set a bit at the given ordinal number |
||
715 | * |
||
716 | * @param int $ordinal Ordinal number of bit to set |
||
2 ignored issues
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|
|||
717 | * @param bool $bit The bit to set |
||
2 ignored issues
–
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|
|||
718 | * @return static |
||
719 | * @throws InvalidArgumentException If the given ordinal number is out-of-range |
||
720 | * @uses doSetBitBin() |
||
721 | * @uses doSetBitInt() |
||
722 | * @uses doUnsetBitBin() |
||
723 | * @uses doUnsetBitInt() |
||
724 | */ |
||
725 | 2 | public function withBit(int $ordinal, bool $bit): self |
|
726 | { |
||
727 | 2 | if ($ordinal < 0 || $ordinal > $this->enumerationCount) { |
|
728 | 1 | throw new InvalidArgumentException("Ordinal number must be between 0 and {$this->enumerationCount}"); |
|
1 ignored issue
–
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|
|||
729 | } |
||
730 | |||
731 | 1 | $clone = clone $this; |
|
732 | 1 | if ($bit) { |
|
733 | 1 | $clone->{$this->fnDoSetBit}($ordinal); |
|
734 | } else { |
||
735 | 1 | $clone->{$this->fnDoUnsetBit}($ordinal); |
|
736 | } |
||
737 | 1 | return $clone; |
|
738 | } |
||
739 | |||
740 | /** |
||
741 | * Set a bit at the given ordinal number. |
||
742 | * |
||
743 | * This is the binary bitset implementation. |
||
744 | * |
||
745 | * @param int $ordinal Ordinal number of bit to set |
||
2 ignored issues
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|
|||
746 | * @return void |
||
747 | * @see setBit() |
||
748 | * @see doSetBitInt() |
||
749 | */ |
||
750 | 8 | private function doSetBitBin(int $ordinal): void |
|
751 | { |
||
752 | 8 | $byte = (int) ($ordinal / 8); |
|
753 | 8 | $this->bitset[$byte] = $this->bitset[$byte] | \chr(1 << ($ordinal % 8)); |
|
754 | 8 | } |
|
755 | |||
756 | /** |
||
757 | * Set a bit at the given ordinal number. |
||
758 | * |
||
759 | * This is the binary bitset implementation. |
||
760 | * |
||
761 | * @param int $ordinal Ordinal number of bit to set |
||
2 ignored issues
–
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|
|||
762 | * @return void |
||
763 | * @see setBit() |
||
764 | * @see doSetBitBin() |
||
765 | */ |
||
766 | 34 | private function doSetBitInt(int $ordinal): void |
|
767 | { |
||
768 | 34 | $this->bitset = $this->bitset | (1 << $ordinal); |
|
769 | 34 | } |
|
770 | |||
771 | /** |
||
772 | * Unset a bit at the given ordinal number. |
||
773 | * |
||
774 | * This is the binary bitset implementation. |
||
775 | * |
||
776 | * @param int $ordinal Ordinal number of bit to unset |
||
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–
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|
|||
777 | * @return void |
||
778 | * @see setBit() |
||
779 | * @see doUnsetBitInt() |
||
780 | */ |
||
781 | 2 | private function doUnsetBitBin(int $ordinal): void |
|
782 | { |
||
783 | 2 | $byte = (int) ($ordinal / 8); |
|
784 | 2 | $this->bitset[$byte] = $this->bitset[$byte] & \chr(~(1 << ($ordinal % 8))); |
|
785 | 2 | } |
|
786 | |||
787 | /** |
||
788 | * Unset a bit at the given ordinal number. |
||
789 | * |
||
790 | * This is the integer bitset implementation. |
||
791 | * |
||
792 | * @param int $ordinal Ordinal number of bit to unset |
||
2 ignored issues
–
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|
|||
793 | * @return void |
||
794 | * @see setBit() |
||
795 | * @see doUnsetBitBin() |
||
796 | */ |
||
797 | 3 | private function doUnsetBitInt(int $ordinal): void |
|
800 | 3 | } |
|
801 | } |
||
802 |