golang動態解析xml

這是一個建立於 的文章，其中的資訊可能已經有所發展或是發生改變。

package mainimport ("encoding/xml""fmt""mahonia""os""strconv""text/template")type Attribute struct {Name  stringValue string}type Token struct {Name       stringAttributes []AttributeTokens     []Token}type Result struct {Root Token}var result = Result{}func main() {if !parse("config.xml") {return}if !output("code_h.tpl", "code.h") {return}if !output("code_cpp.tpl", "code.cpp") {return}fmt.Println("OK")}func parse_token(decoder *xml.Decoder, tt xml.Token, mytoken *Token) {token := tt.(xml.StartElement)name := token.Name.Localmytoken.Name = namefor _, attr := range token.Attr {attrName := attr.Name.LocalattrValue := attr.Valueattr := Attribute{Name: attrName, Value: attrValue}mytoken.Attributes = append(mytoken.Attributes, attr)}var t xml.Tokenvar err errorfor t, err = decoder.Token(); err == nil; t, err = decoder.Token() {switch t.(type) {// 處理元素開始（標籤）case xml.StartElement:mytoken.Tokens = append(mytoken.Tokens, Token{})parse_token(decoder, t, &mytoken.Tokens[len(mytoken.Tokens)-1])// 處理元素結束（標籤）case xml.EndElement:returncase xml.CharData:default:return}}}func parse(filename string) bool {file, err := os.Open(filename)if err != nil {fmt.Println(err)return false}var t xml.Tokendecoder := xml.NewDecoder(file)t, decerr := decoder.Token()if decerr != nil {fmt.Println(decerr)return false}parse_token(decoder, t, &result.Root)fmt.Println("result", result.Root)return true}func genlist(n string) []string {num, _ := strconv.Atoi(n)ret := make([]string, num)for i := 0; i < num; i++ {ret[i] = strconv.Itoa(i)}return ret}func iconv(str string) string {enc := mahonia.NewEncoder("gb2312")return enc.ConvertString(str)}func output(src string, des string) bool {file, err := os.Create(des)if err != nil {fmt.Println(err)return false}t := template.New("text")if err != nil {fmt.Println(err)return false}t = t.Funcs(template.FuncMap{"genlist": genlist, "iconv": iconv})srcfile, err := os.Open(src)if err != nil {fmt.Println(err)return false}var buffer [1024 * 1024]byten, rerr := srcfile.Read(buffer[0:])if rerr != nil {fmt.Println(rerr)return false}t, err = t.Parse(string(buffer[0:n]))if err != nil {fmt.Println(err)return false}err = t.Execute(file, result.Root)if err != nil {fmt.Println(err)return false}return true}