/
utf8_to_wxml.go
45 lines (38 loc) · 1.04 KB
/
utf8_to_wxml.go
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// Copyright (c) 2024 Michael D Henderson. All rights reserved.
package adapters
import (
"bytes"
"encoding/xml"
"github.com/mdhender/wxconv/models/wxml173"
)
type WXML interface {
BaseVersion() string
}
// UTF8ToWXML converts the data to the associated version of WXML.
func UTF8ToWXML(data []byte) (WXML, error) {
// verify the xml header
xmlHeader := []byte("<?xml version='1.0' encoding='utf-16'?>\n")
if !bytes.HasPrefix(data, xmlHeader) {
return nil, ErrMissingXMLHeader
}
// remove the xml header
data = data[len(xmlHeader):]
// read the version from the xml data
var version struct {
Version string `xml:"version,attr"`
}
if err := xml.Unmarshal(data, &version); err != nil {
return nil, err
}
// log.Printf("UTF8ToWXML: read version %+v\n", version)
switch version.Version {
case "1.73":
srcMap := &wxml173.Map{}
// convert from xml to a structure that's built just for the conversion
if err := xml.Unmarshal(data, &srcMap); err != nil {
return nil, err
}
return srcMap, nil
}
return nil, ErrUnsupportedVersion
}