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gonuts3.go
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gonuts3.go
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// https://groups.google.com/forum/#!topic/golang-nuts/cok6xasvI3w
// retrieve 'src' values from 'image' tags
package main
import (
"fmt"
"github.com/clbanning/x2j"
)
var doc = `
<doc>
<image src="something.png"></image>
<something>
<image src="something else.jpg"></image>
<title>something else</title>
</something>
<more_stuff>
<some_images>
<image src="first.gif"></image>
<image src="second.gif"></image>
</some_images>
</more_stuff>
</doc>`
func main() {
// get all image tag values - []interface{}
images,err := x2j.ValuesForTag(doc,"image")
if err != nil {
fmt.Println("error parsing doc:",err.Error())
return
}
sources := make([]string,0)
for _, v := range images {
// ValuesForKey requires a map[string]interface{} value
// as a starting point ... thinks its a doc
m := make(map[string]interface{},1)
m["dummy"] = v
ss := x2j.ValuesForKey(m,"-src")
for _,s := range ss {
sources = append(sources,s.(string))
}
}
for _,src := range sources {
fmt.Println(src)
}
}