new: parsing BLE flags and company identifiers from advertisements

vendor/github.com/nbutton23/zxcvbn-go/adjacency/adjcmartix.go

@@ -0,0 +1,96 @@
+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
+}