vikarti.anatra/safing-portmaster
1
0
Fork 0
mirror of https://github.com/safing/portmaster synced 2025-09-04 19:49:15 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Clean up algs package

Browse source
This commit is contained in:
Daniel 2019-10-25 13:30:34 +02:00
parent fd203fc8a7
commit 4d48b023ae
1 changed files with 15 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
analytics/algs/lms.go
View file

@ -4,6 +4,7 @@ import (
"strings" "strings"
) )
// LmsScoreOfDomain calculates the mean longest meaningful substring of a domain. It follows some special rules to increase accuracy. It returns a value between 0 and 100, representing the length-based percentage of the meaningful substring.
func LmsScoreOfDomain(domain string) float64 { func LmsScoreOfDomain(domain string) float64 {
var totalScore float64 var totalScore float64
domain = strings.ToLower(domain) domain = strings.ToLower(domain)
@ -26,29 +27,30 @@ func LmsScoreOfDomain(domain string) float64 {
return totalScore return totalScore
} }
// LmsScore calculates the longest meaningful substring of a domain. It returns a value between 0 and 100, representing the length-based percentage of the meaningful substring.
func LmsScore(subject string) float64 { func LmsScore(subject string) float64 {
lms_start := -1 lmsStart := -1
lms_stop := -1 lmsStop := -1
longest_lms := 0 longestLms := 0
for i, c := range subject { for i, c := range subject {
if int(c) >= int('a') && int(c) <= int('z') { if int(c) >= int('a') && int(c) <= int('z') {
if lms_start == -1 { if lmsStart == -1 {
lms_start = i lmsStart = i
} }
} else { } else {
if lms_start > -1 { if lmsStart > -1 {
lms_stop = i lmsStop = i
if lms_stop-lms_start > longest_lms { if lmsStop-lmsStart > longestLms {
longest_lms = lms_stop - lms_start longestLms = lmsStop - lmsStart
} }
lms_start = -1 lmsStart = -1
} }
} }
} }
if lms_stop == -1 { if lmsStop == -1 {
longest_lms = len(subject) longestLms = len(subject)
} }
// fmt.Printf("algs: lms score of %s is %.2f\n", subject, (float64(longest_lms) * 100.0 / float64(len(subject)))) // fmt.Printf("algs: lms score of %s is %.2f\n", subject, (float64(longest_lms) * 100.0 / float64(len(subject))))
return (float64(longest_lms) * 100.0 / float64(len(subject))) return (float64(longestLms) * 100.0 / float64(len(subject)))
} }