54 lines
		
	
	
		
			758 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			758 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package trie
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| 
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| import (
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| 	"bytes"
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| 	"math"
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| )
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| 
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| // Helper function for comparing slices
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| func CompareIntSlice(a, b []int) bool {
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| 	if len(a) != len(b) {
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| 		return false
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| 	}
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| 	for i, v := range a {
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| 		if v != b[i] {
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| 			return false
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| 		}
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| 	}
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| 	return true
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| }
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| 
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| // Returns the amount of nibbles that match each other from 0 ...
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| func MatchingNibbleLength(a, b []byte) int {
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| 	var i, length = 0, int(math.Min(float64(len(a)), float64(len(b))))
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| 
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| 	for i < length {
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| 		if a[i] != b[i] {
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| 			break
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| 		}
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| 		i++
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| 	}
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| 
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| 	return i
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| }
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| 
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| func HasTerm(s []byte) bool {
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| 	return s[len(s)-1] == 16
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| }
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| 
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| func RemTerm(s []byte) []byte {
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| 	if HasTerm(s) {
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| 		return s[:len(s)-1]
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| 	}
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| 
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| 	return s
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| }
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| 
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| func BeginsWith(a, b []byte) bool {
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| 	if len(b) > len(a) {
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| 		return false
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| 	}
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| 
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| 	return bytes.Equal(a[:len(b)], b)
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| }
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