Sorry, I should have been more clear. The reason I used a slice was because I need an arbitrary number of elements. So I can't just use a static struct with the chardata tags.
On Tuesday, October 11, 2016 at 4:49:34 AM UTC-7, Konstantin Khomoutov wrote: > > On Mon, 10 Oct 2016 22:10:37 -0700 (PDT) > Scott <gr8w...@gmail.com <javascript:>> wrote: > > > I'm trying to Marshal XML where an element has mixed content: > > https://www.w3.org/TR/REC-xml/#sec-mixed-content > > > > I tried just using []interface{} but if I put in just a string, > > Marshal surrounds each string with the name of the slice: > > > > https://play.golang.org/p/erh3mQmrZD > > > > I'm trying to get the output to be: > > <root> > > <element1>foo</element1> > > hello > > <element2>bar</element2> > > world > > </root> > > > > Any ideas? > > Yes. "\nhello\n" and "\nworld\n" are what is called "character data" > in XML parlance. So if you go with the standard approach to marshaling > data to XML -- via a struct type with properly annotated fields -- > you should annotate the fields for your character data chunks with the > ",chardata" modifiers. > > See the docs on encoding/xml.Marshal function for more info. > > Here's a working example: > > --------8<-------- > package main > > import ( > "bytes" > "encoding/xml" > "fmt" > ) > > type E struct { > XMLName struct{} `xml:"root"` > E1 string `xml:"element1"` > A string `xml:",chardata"` > E2 string `xml:"element2"` > Z string `xml:",chardata"` > } > > func main() { > e := E{ > E1: "foo", > A: "hello", > E2: "bar", > Z: "world", > } > > var b bytes.Buffer > enc := xml.NewEncoder(&b) > enc.Indent("", "\t") > > err := enc.Encode(&e) > if err != nil { > panic(err) > } > err = enc.Flush() > if err != nil { > panic(err) > } > > fmt.Println(b.String()) > } > --------8<-------- > > Playground link: <https://play.golang.org/p/pWaYmOT675> > > Please note that whitespace is only insignificant in XML where *you* > think it is (that is, there's no inherent semantics of it in the XML > spec. So you should be aware that in your example your character data > chunks are not "hello" and "world" but rather > > LF SP SP SP SP "hello" LF > > and > > LF SP SP SP SP "world" LF > > , respectively (provided linebreaks are sole LFs) > > So if you really want those bits of whitespace to be present in the > resulting XML document you have to make sure you embed them to your > fields annotated with ",chardata". > > Hope this helps. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
