54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
package engine
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// bitAnd 按位与
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// 支持多个操作数，返回所有操作数按位与的结果
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func (e *AggregationEngine) bitAnd(operand interface{}, data map[string]interface{}) int64 {
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arr, ok := operand.([]interface{})
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if !ok || len(arr) < 2 {
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return 0
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}
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result := toInt64(e.evaluateExpression(data, arr[0]))
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for i := 1; i < len(arr); i++ {
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result &= toInt64(e.evaluateExpression(data, arr[i]))
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}
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return result
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}
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// bitOr 按位或
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// 支持多个操作数，返回所有操作数按位或的结果
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func (e *AggregationEngine) bitOr(operand interface{}, data map[string]interface{}) int64 {
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arr, ok := operand.([]interface{})
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if !ok || len(arr) < 2 {
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return 0
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}
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result := toInt64(e.evaluateExpression(data, arr[0]))
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for i := 1; i < len(arr); i++ {
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result |= toInt64(e.evaluateExpression(data, arr[i]))
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}
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return result
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}
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// bitXor 按位异或
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// 支持多个操作数，返回所有操作数按位异或的结果
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func (e *AggregationEngine) bitXor(operand interface{}, data map[string]interface{}) int64 {
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arr, ok := operand.([]interface{})
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if !ok || len(arr) < 2 {
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return 0
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}
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result := toInt64(e.evaluateExpression(data, arr[0]))
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for i := 1; i < len(arr); i++ {
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result ^= toInt64(e.evaluateExpression(data, arr[i]))
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}
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return result
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}
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// bitNot 按位非
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// 一元操作符，返回操作数的按位非
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func (e *AggregationEngine) bitNot(operand interface{}, data map[string]interface{}) int64 {
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val := toInt64(e.evaluateExpression(data, operand))
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return ^val
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}
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