jclaveau /
php-logical-filter
| @@ 193-215 (lines=23) @@ | ||
| 190 | /** |
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| 191 | * Remove AndRules operands of AndRules |
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| 192 | */ |
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| 193 | public function removeSameOperationOperands() |
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| 194 | { |
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| 195 | foreach ($this->operands as $i => $operand) { |
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| 196 | if ( ! is_a($operand, AndRule::class)) { |
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| 197 | continue; |
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| 198 | } |
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| 199 | ||
| 200 | if ( ! $operands = $operand->getOperands()) { |
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| 201 | continue; |
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| 202 | } |
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| 203 | ||
| 204 | // Id AND is an operand on AND they can be merge (and the same with OR) |
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| 205 | foreach ($operands as $sub_operand) { |
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| 206 | $this->addOperand( $sub_operand->copy() ); |
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| 207 | } |
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| 208 | unset($this->operands[$i]); |
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| 209 | ||
| 210 | // possibility of mono-operand or dupicates |
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| 211 | $has_been_changed = true; |
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| 212 | } |
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| 213 | ||
| 214 | return ! empty($has_been_changed); |
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| 215 | } |
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| 216 | ||
| 217 | /** |
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| 218 | * Removes rule branches that cannot produce result like: |
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| @@ 19-41 (lines=23) @@ | ||
| 16 | /** |
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| 17 | * Remove AndRules operands of AndRules and OrRules of OrRules. |
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| 18 | */ |
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| 19 | public function removeSameOperationOperands(array $simplification_options) |
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| 20 | { |
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| 21 | foreach ($this->operands as $i => &$operand) { |
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| 22 | if ( ! is_a($operand, OrRule::class)) { |
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| 23 | continue; |
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| 24 | } |
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| 25 | ||
| 26 | if ( ! $operand->isNormalizationAllowed($simplification_options) ) { |
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| 27 | continue; |
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| 28 | } |
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| 29 | ||
| 30 | // Id AND is an operand on AND they can be merge (and the same with OR) |
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| 31 | foreach ($operand->getOperands() as $sub_operand) { |
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| 32 | $this->addOperand( $sub_operand->copy() ); |
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| 33 | } |
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| 34 | unset($this->operands[$i]); |
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| 35 | ||
| 36 | // possibility of mono-operand or dupicates |
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| 37 | $has_been_changed = true; |
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| 38 | } |
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| 39 | ||
| 40 | return ! empty($has_been_changed); |
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| 41 | } |
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| 42 | ||
| 43 | /** |
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| 44 | * Replace all the OrRules of the RuleTree by one OrRule at its root. |
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