56 lines
939 B
Go
56 lines
939 B
Go
package model
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// Compare current node with another node
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func (n *Node) Compare(op Operand, node *Node) bool {
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switch op {
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case OpEq:
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return n.Value() == node.Value()
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case OpNeq:
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return n.Value() != node.Value()
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case OpLess:
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return less(n, node)
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case OpGt:
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return less(node, n)
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case OpLessEq:
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return less(n, node) || n.Value() == node.Value()
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case OpGtEq:
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return less(node, n) || n.Value() == node.Value()
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case OpIn:
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if n.Type != ArrayNode {
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return false
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}
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for _, v := range n.ArrayValue {
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if v.Value() == node.Value() {
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return true
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}
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}
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}
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return false
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}
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func less(n1 *Node, n2 *Node) bool {
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if n1.Type != n2.Type {
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return false
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}
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switch n1.Type {
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case NumberNode:
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return n1.NumberValue < n2.NumberValue
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case StringNode:
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return n1.StringValue < n2.StringValue
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default:
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return false
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}
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}
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type Operand int
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const (
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OpEq Operand = iota
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OpNeq
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OpLess
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OpLessEq
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OpGt
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OpGtEq
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OpIn
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)
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