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package adjacency
import (
"encoding/json"
"log"
// "fmt"
"github.com/nbutton23/zxcvbn-go/data"
)
type AdjacencyGraph struct {
Graph map[string][]string
averageDegree float64
Name string
}
var AdjacencyGph = make(map[string]AdjacencyGraph)
func init() {
AdjacencyGph["qwerty"] = BuildQwerty()
AdjacencyGph["dvorak"] = BuildDvorak()
AdjacencyGph["keypad"] = BuildKeypad()
AdjacencyGph["macKeypad"] = BuildMacKeypad()
AdjacencyGph["l33t"] = BuildLeet()
}
func BuildQwerty() AdjacencyGraph {
data, err := zxcvbn_data.Asset("data/Qwerty.json")
if err != nil {
panic("Can't find asset")
}
return GetAdjancencyGraphFromFile(data, "qwerty")
}
func BuildDvorak() AdjacencyGraph {
data, err := zxcvbn_data.Asset("data/Dvorak.json")
if err != nil {
panic("Can't find asset")
}
return GetAdjancencyGraphFromFile(data, "dvorak")
}
func BuildKeypad() AdjacencyGraph {
data, err := zxcvbn_data.Asset("data/Keypad.json")
if err != nil {
panic("Can't find asset")
}
return GetAdjancencyGraphFromFile(data, "keypad")
}
func BuildMacKeypad() AdjacencyGraph {
data, err := zxcvbn_data.Asset("data/MacKeypad.json")
if err != nil {
panic("Can't find asset")
}
return GetAdjancencyGraphFromFile(data, "mac_keypad")
}
func BuildLeet() AdjacencyGraph {
data, err := zxcvbn_data.Asset("data/L33t.json")
if err != nil {
panic("Can't find asset")
}
return GetAdjancencyGraphFromFile(data, "keypad")
}
func GetAdjancencyGraphFromFile(data []byte, name string) AdjacencyGraph {
var graph AdjacencyGraph
err := json.Unmarshal(data, &graph)
if err != nil {
log.Fatal(err)
}
graph.Name = name
return graph
}
//on qwerty, 'g' has degree 6, being adjacent to 'ftyhbv'. '\' has degree 1.
//this calculates the average over all keys.
//TODO double check that i ported this correctly scoring.coffee ln 5
func (adjGrp AdjacencyGraph) CalculateAvgDegree() float64 {
if adjGrp.averageDegree != float64(0) {
return adjGrp.averageDegree
}
var avg float64
var count float64
for _, value := range adjGrp.Graph {
for _, char := range value {
if char != "" || char != " " {
avg += float64(len(char))
count++
}
}
}
adjGrp.averageDegree = avg / count
return adjGrp.averageDegree
}
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