golang android xml parse

package main

import (
    "encoding/xml"
    "strings"
    "fmt"
    "log"
    "os"
    "io/ioutil"
)



type Node struct {
    XMLName xml.Name
    Id string `xml:"http://schemas.android.com/apk/res/android id,attr"`
    Nodes   []Node   `xml:",any"`
}

func walk(n Node,isNodeFunc func(Node) bool,workWithNode func(Node,interface{}),data interface{}){
    var cacheNodes []Node = make([]Node,0)
    cacheNodes = append(cacheNodes,n)
    for ;len(cacheNodes)>0; {
        current_node := cacheNodes[0]
        if isNodeFunc(current_node) {
            workWithNode(current_node,data)
        }
        cacheNodes = cacheNodes[1:]
        if(len(n.Nodes)>0){
            cacheNodes = append(cacheNodes,current_node.Nodes...)
        }
    }

}

func hasAndroidId(n Node)bool{
    return strings.Compare(n.Id,"")!=0
}

func PrintInitAndroidParam(n Node,option interface{}){
    android_id := strings.Replace(n.Id,"@+id/","",-1)
    str_format := "%s = (%s)%sfindViewById(R.id.%s);"
    fmt.Println(fmt.Sprintf(str_format,android_id,n.XMLName.Local,option,android_id))
}

func PrintInitAndroidParamFromXML(file_path,init_view string){
    if f,err := os.Open(file_path);err != nil{
        log.Println(err)

    }else{
        defer f.Close()
        b,_ := ioutil.ReadAll(f)
        var n Node
        xml.Unmarshal(b,&n)
        walk(n,hasAndroidId,PrintInitAndroidParam,init_view)

    }
}


func PrintAndroidParam(n Node,-1)
    str_format := "%s %s;"
    fmt.Println(fmt.Sprintf(str_format,android_id))
}

func PrintAndroidParamFromXML(file_path string){
    if f,PrintAndroidParam,nil)

    }
}


func PrintAndroidParamOnClick(n Node,-1)
    str_format := "%s.setOnClickListener(%s);"
    fmt.Println(fmt.Sprintf(str_format,option))
}

func PrintAndroidParamOnClickFromXML(file_path string,data string){
    if f,PrintAndroidParamOnClick,data)

    }
}


func main() {
    file_path := `/Users/zhangmike/Documents/gopath/src/git.oschina.net/zdglf/geowebsite/android/GeoApp/app/src/main/res/layout/fragment_user_info.xml`
    init_view := "v."
    listener_interface := "this"
    PrintAndroidParamFromXML(file_path)
    fmt.Println()
    PrintInitAndroidParamFromXML(file_path,init_view)
    fmt.Println()
    PrintAndroidParamOnClickFromXML(file_path,listener_interface)
    fmt.Println()

}

（编辑：李大同）

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