90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
package adjacency
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import (
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"log"
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"encoding/json"
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"io/ioutil"
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// "fmt"
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"path/filepath"
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)
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type AdjacencyGraph struct {
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Graph map[string][6]string
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averageDegree float32
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Name string
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}
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var AdjacencyGph []AdjacencyGraph;
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func init(){
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//todo get currentloc so that i don't have to know the whole path
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log.SetFlags(log.Lshortfile)
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AdjacencyGph = append(AdjacencyGph, buildQwerty())
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AdjacencyGph = append(AdjacencyGph, buildDvorak())
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AdjacencyGph = append(AdjacencyGph, buildKeypad())
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AdjacencyGph = append(AdjacencyGph, buildMacKeypad())
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}
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func buildQwerty() AdjacencyGraph {
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filePath, _ := filepath.Abs("adjacency/Qwerty.json")
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return getAdjancencyGraphFromFile(filePath, "qwerty")
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}
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func buildDvorak() AdjacencyGraph {
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filePath, _ := filepath.Abs("adjacency/Dvorak.json")
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return getAdjancencyGraphFromFile(filePath, "dvorak")
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}
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func buildKeypad() AdjacencyGraph {
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filePath, _ := filepath.Abs("adjacency/Keypad.json")
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return getAdjancencyGraphFromFile(filePath, "keypad")
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}
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func buildMacKeypad() AdjacencyGraph {
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filePath, _ := filepath.Abs("adjacency/MacKeypad.json")
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return getAdjancencyGraphFromFile(filePath, "mac_keypad")
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}
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func getAdjancencyGraphFromFile(filePath string, name string) AdjacencyGraph {
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data, err := ioutil.ReadFile(filePath)
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if err != nil {
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log.Fatal(err)
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}
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var graph AdjacencyGraph;
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err = json.Unmarshal(data, &graph)
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if err != nil {
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log.Fatal(err)
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}
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graph.Name = name
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return graph
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}
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//on qwerty, 'g' has degree 6, being adjacent to 'ftyhbv'. '\' has degree 1.
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//this calculates the average over all keys.
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//TODO double check that i ported this correctly scoring.coffee ln 5
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func (adjGrp AdjacencyGraph) CalculateAvgDegree() (float32) {
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if adjGrp.averageDegree != float32(0) {
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return adjGrp.averageDegree
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}
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var avg float32
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var count float32
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for _, value := range adjGrp.Graph {
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for _, char := range value {
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if char != "" || char != " " {
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avg += float32(len(char))
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count++
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}
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}
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}
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adjGrp.averageDegree = avg/count
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return adjGrp.averageDegree
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}
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