Xml in Wolfram Language

Here’s the translation of the XML example from Go to Wolfram Language:

(* Wolfram Language offers built-in support for XML and XML-like
   formats with functions in the "XML`" context. *)

(* Define a Plant structure *)
plant[id_, name_, origin_] := <|
  "XMLElement" -> "plant",
  "XMLAttributes" -> <|"id" -> id|>,
  "XMLChildren" -> {
    {"name", {}, {name}},
    Sequence @@ ({"origin", {}, {#}}& /@ origin)
  }
|>

(* Define a function to convert a Plant to a string representation *)
plantToString[p_] := StringTemplate[
  "Plant id=`1`, name=`2`, origin=`3`"
][p["XMLAttributes", "id"], p["XMLChildren", 1, 3, 1], p["XMLChildren", 2;;, 3]]

(* Create a coffee plant *)
coffee = plant[27, "Coffee", {"Ethiopia", "Brazil"}];

(* Emit XML representing our plant *)
xmlString = ExportString[coffee, "XML", "Indent" -> 2];
Print[xmlString]

(* To add a generic XML header to the output, prepend it explicitly *)
Print[StringJoin["<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n", xmlString]]

(* Use ImportString to parse a stream of characters with XML into a data structure *)
importedPlant = ImportString[xmlString, "XML"];
Print[plantToString[importedPlant]]

(* Create a tomato plant *)
tomato = plant[81, "Tomato", {"Mexico", "California"}];

(* Define a Nesting structure *)
nesting = <|
  "XMLElement" -> "nesting",
  "XMLChildren" -> {
    {"parent", {},
      {"child", {},
        {coffee, tomato}
      }
    }
  }
|>

(* Output the nested structure *)
Print[ExportString[nesting, "XML", "Indent" -> 2]]

This Wolfram Language code demonstrates XML handling capabilities similar to the Go example. Here’s a breakdown of the translation:

We define a plant function to create a structure similar to the Plant struct in Go.
The plantToString function mimics the String() method of the Go Plant struct.
Instead of xml.MarshalIndent, we use ExportString with the “XML” format and “Indent” option.
ImportString is used in place of xml.Unmarshal to parse XML into a data structure.
The nested structure is created using nested associations, which are then exported to XML.

Note that Wolfram Language handles XML differently from Go. It uses a more functional approach with nested associations to represent XML structures. The XML parsing and generation are handled by built-in functions like ImportString and ExportString.

When you run this code in a Wolfram Language environment, it will produce output similar to the Go example, showing the XML representations of the plant and nested structures.

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