optimize cp473 converter

analyze/df/generate_backend.go

@@ -173,7 +173,7 @@ func parse{{ $obj.Name }}{{ if $plus }}Plus{{ end }}(p *util.XMLParser{{ if $plu
 						if err != nil {
 							return nil, err
 						}
-						switch data {
+						switch string(data) {
 						{{- range $sub := ($obj.ActiveSubTypes $plus) }}
 						case "{{ $sub.Case }}":
 							{{- if eq 1 (len $sub.Options) }}
@@ -356,20 +356,20 @@ func (f Field) StartAction(obj Object, plus bool) string {
 			if f.Type == "int" {
 				return fmt.Sprintf("%sobj.%s = num(data)", s, n)
 			} else if f.Type == "string" {
-				return fmt.Sprintf("%sobj.%s = string(data)", s, n)
+				return fmt.Sprintf("%sobj.%s = txt(data)", s, n)
 			} else if f.Type == "bool" {
 				s := "_, err := p.Value()\nif err != nil { return nil, err }\n"
 				return fmt.Sprintf("%sobj.%s = true", s, n)
 			} else if f.Type == "enum" {
-				return fmt.Sprintf("%sobj.%s = parse%s%s(string(data))", s, n, obj.Name, n)
+				return fmt.Sprintf("%sobj.%s = parse%s%s(txt(data))", s, n, obj.Name, n)
 			}
 		} else {
 			if f.Type == "int" {
 				return fmt.Sprintf("%sobj.%s = append(obj.%s, num(data))", s, n, n)
 			} else if f.Type == "string" {
-				return fmt.Sprintf("%sobj.%s = append(obj.%s, string(data))", s, n, n)
+				return fmt.Sprintf("%sobj.%s = append(obj.%s, txt(data))", s, n, n)
 			} else if f.Type == "enum" {
-				return fmt.Sprintf("%sobj.%s = append(obj.%s, parse%s%s(string(data)))", s, n, n, obj.Name, n)
+				return fmt.Sprintf("%sobj.%s = append(obj.%s, parse%s%s(txt(data)))", s, n, n, obj.Name, n)
 			}
 		}
 	}

backend/main.go

@@ -29,6 +29,7 @@ var static embed.FS
 
 func main() {
 	f := flag.String("f", "", "open a file")
+	p := flag.Bool("p", false, "start profiling")
 	flag.Parse()
 
 	router := mux.NewRouter().StrictSlash(true)
@@ -116,10 +117,12 @@ func main() {
 	t := templates.New(functions)
 
 	if len(*f) > 0 {
-		defer profile.Start(profile.ProfilePath(".")).Stop()
-		go func() {
-			http.ListenAndServe(":8081", nil)
-		}()
+		if *p {
+			defer profile.Start(profile.ProfilePath(".")).Stop()
+			go func() {
+				http.ListenAndServe(":8081", nil)
+			}()
+		}
 
 		w, err := model.Parse(*f)
 		if err != nil {

backend/model/parse.go

@@ -55,8 +55,7 @@ func NewLegendsParser(file string) (*util.XMLParser, *os.File, *pb.ProgressBar,
 
 	fmt.Println("Successfully Opened", file)
 
-	converter := util.NewConvertReader(xmlFile)
-	barReader := bar.NewProxyReader(converter)
+	barReader := bar.NewProxyReader(xmlFile)
 	d := util.NewXMLParser(bufio.NewReader(barReader))
 
 	return d, xmlFile, bar, err
@@ -198,11 +197,11 @@ func parseId(p *util.XMLParser) (int, error) {
 		switch t {
 		case util.StartElement:
 			if n == "id" {
-				s, err := p.Value()
+				d, err := p.Value()
 				if err != nil {
 					return -1, err
 				}
-				return strconv.Atoi(s)
+				return strconv.Atoi(string(d))
 			} else {
 				p.Skip()
 			}
@@ -210,11 +209,15 @@ func parseId(p *util.XMLParser) (int, error) {
 	}
 }
 
-func num(s string) int {
-	v, _ := strconv.Atoi(s)
+func num(b []byte) int {
+	v, _ := strconv.Atoi(string(b))
 	return v
 }
 
+func txt(b []byte) string {
+	return util.ConvertCp473(b)
+}
+
 var sameFields map[string]map[string]map[string]bool
 
 func exportSameFields() map[string]map[string]string {

backend/util/cp473.go

@@ -26,3 +26,10 @@ func (c *ConvertReader) Read(b []byte) (n int, err error) {
 	}
 	return n, err
 }
+
+func ConvertCp473(b []byte) string {
+	for i := range b {
+		b[i] = cp437[b[i]]
+	}
+	return string(b)
+}

backend/util/xml.go

@@ -88,10 +88,10 @@ func (x *XMLParser) Token() (TokenType, string, error) {
 	}
 }
 
-func (x *XMLParser) Value() (string, error) {
+func (x *XMLParser) Value() ([]byte, error) {
 	if x.selfClose {
 		x.selfClose = false
-		return "", nil
+		return nil, nil
 	}
 
 	x.scratch.reset()
@@ -101,12 +101,12 @@ func (x *XMLParser) Value() (string, error) {
 	for {
 		b, err := x.reader.ReadByte()
 		if err != nil {
-			return "", err
+			return nil, err
 		}
 		if b == '<' {
 			f = true
 		} else if f && b == '>' {
-			return string(x.scratch.bytes()), nil
+			return x.scratch.bytes(), nil
 
 		} else if !f {
 			x.scratch.add(b)