jclaveau /
php-logical-filter
| @@ 20-42 (lines=23) @@ | ||
| 17 | /** |
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| 18 | * Remove AndRules operands of AndRules and OrRules of OrRules. |
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| 19 | */ |
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| 20 | public function removeSameOperationOperands(array $simplification_options) |
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| 21 | { |
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| 22 | foreach ($this->operands as $i => &$operand) { |
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| 23 | if ( ! is_a($operand, OrRule::class)) { |
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| 24 | continue; |
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| 25 | } |
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| 26 | ||
| 27 | if ( ! $operand->isNormalizationAllowed($simplification_options) ) { |
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| 28 | continue; |
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| 29 | } |
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| 30 | ||
| 31 | // Id AND is an operand on AND they can be merge (and the same with OR) |
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| 32 | foreach ($operand->getOperands() as $sub_operand) { |
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| 33 | $this->addOperand( $sub_operand->copy() ); |
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| 34 | } |
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| 35 | unset($this->operands[$i]); |
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| 36 | ||
| 37 | // possibility of mono-operand or dupicates |
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| 38 | $has_been_changed = true; |
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| 39 | } |
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| 40 | ||
| 41 | return ! empty($has_been_changed); |
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| 42 | } |
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| 43 | ||
| 44 | /** |
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| 45 | * Replace all the OrRules of the RuleTree by one OrRule at its root. |
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| @@ 199-221 (lines=23) @@ | ||
| 196 | /** |
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| 197 | * Remove AndRules operands of AndRules |
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| 198 | */ |
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| 199 | public function removeSameOperationOperands() |
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| 200 | { |
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| 201 | foreach ($this->operands as $i => $operand) { |
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| 202 | if ( ! is_a($operand, AndRule::class)) { |
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| 203 | continue; |
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| 204 | } |
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| 205 | ||
| 206 | if ( ! $operands = $operand->getOperands()) { |
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| 207 | continue; |
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| 208 | } |
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| 209 | ||
| 210 | // Id AND is an operand on AND they can be merge (and the same with OR) |
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| 211 | foreach ($operands as $sub_operand) { |
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| 212 | $this->addOperand( $sub_operand->copy() ); |
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| 213 | } |
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| 214 | unset($this->operands[$i]); |
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| 215 | ||
| 216 | // possibility of mono-operand or dupicates |
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| 217 | $has_been_changed = true; |
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| 218 | } |
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| 219 | ||
| 220 | return ! empty($has_been_changed); |
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| 221 | } |
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| 222 | ||
| 223 | /** |
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| 224 | * Removes rule branches that cannot produce result like: |
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