I think that interface{} type would be useful in such case
var xml []interface{}
You can make convenience accessor functions like
func Names() []Names {}
On Sunday, March 29, 2020 at 9:33:49 PM UTC+2, DrGo wrote:
>
> Hi,
> wondering how to unmarshall the xml below (also available here
> https://play.golang.org/p/QtZwKmrn8HM) into a tree. The challenge is that
> each element can nest 0 or more *ordered* child elements which can be of
> different types (eg text, group, choose, macro etc). I tried unmarshalling
> into a struct which embed the following type
>
> type RenderingElement struct {
> Names []Names `xml:"names"`
> Date []Date `xml:"date"`
> Label []Label `xml:"label"`
> Text []Text `xml:"text"`
> Number []Number `xml:"number"`
> Choose []Choose `xml:"choose"`
> Group []Group `xml:"group"`
> }
>
> This is simple but the problem is that if an element has children of
> different types eg text and group I have no way of telling their order and
> the order is important (essentially the xml codes for a formatting program).
>
> Any tips or example code on how to unmarshall this xml while retaining its
> nested ordered structure?
>
> Thanks,
>
> const src = `<layout suffix=".">
> <text variable="citation-number" suffix=". "/>
> <group delimiter=", ">
> <text macro="author"/>
> <choose>
> <if type="thesis">
> <group delimiter=" ">
> <group delimiter=", ">
> <group>
> <!-- Always print, even if no university given -->
> <text value="thesis"/>
> </group>
> <text macro="publisher"/>
> </group>
> <text macro="issued" prefix="(" suffix=")"/>
> </group>
> </if>
> <else-if type="bill book graphic legal_case legislation motion_picture
> song chapter paper-conference" match="any">
> <group delimiter=" ">
> <choose>
> <if type="chapter paper-conference" match="any">
> <group delimiter=", ">
> <group delimiter=" ">
> <text term="in"/>
> <text variable="container-title" font-style="italic"/>
> </group>
> <text macro="editor"/>
> </group>
> </if>
> <else>
> <text macro="title"/>
> </else>
> </choose>
> <group prefix="(" suffix=")" delimiter="; ">
> <group delimiter=", ">
> <text macro="publisher"/>
> <text macro="edition"/>
> <text macro="issued"/>
> </group>
> <text variable="URL"/>
> </group>
> </group>
> <group delimiter=" of ">
> <group>
> <label variable="volume" form="short" suffix=" "/>
> <number variable="volume"/>
> </group>
> <text variable="collection-title" font-style="italic"/>
> </group>
> <choose>
> <if type="chapter paper-conference" match="any">
> <text macro="pages"/>
> </if>
> </choose>
> </else-if>
> <else-if type="article-journal">
> <choose>
> <if variable="page">
> <choose>
> <if is-numeric="page" match="none">
> <group>
> <group delimiter=", ">
> <text variable="container-title" form="short" font-style="italic"/>
> <group>
> <text term="in press"/>
> </group>
> </group>
> <text macro="access"> hello </text>
> </group>
> </if>
> <else>
> <text macro="article-details"/>
> </else>
> </choose>
> </if>
> <else>
> <text macro="article-details"/>
> </else>
> </choose>
> </else-if>
> <else-if type="report">
> <group>
> <group delimiter=", ">
> <text variable="title" quotes="true"/>
> <text variable="collection-title" font-style="italic"/>
> </group>
> <group prefix=" (" suffix=")" delimiter=", ">
> <group delimiter=" ">
> <text variable="genre" form="short"/>
> <number variable="number"/>
> </group>
> <text variable="publisher"/>
> <text variable="publisher-place"/>
> <text macro="issued"/>
> </group>
> </group>
> <text macro="pages"/>
> <text macro="access"/>
> </else-if>
> <else>
> <group>
> <group delimiter=", ">
> <text macro="editor"/>
> <group delimiter=". ">
> <text macro="title"/>
> <text form="short" variable="container-title" font-style="italic"/>
> <text variable="volume" font-weight="bold"/>
> </group>
> </group>
> <text macro="issued" prefix=" (" suffix=")"/>
> </group>
> <text macro="pages"/>
> <text macro="access"/>
> </else>
> </choose>
> </group>
> </layout>
> `
>
>
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