trimmer-io / go-xmp Goto Github PK

package main

import (
	"fmt"
	"os"
	"trimmer.io/go-xmp/xmp"
)

var (
	NsDk = xmp.NewNamespace("digikam", "http://www.digikam.org/ns/1.0/", NewModel)
)

func init() {
	xmp.Register(NsDk, xmp.XmpMetadata)
}

func NewModel(name string) xmp.Model {
	return &Digikam{}
}

func MakeModel(d *xmp.Document) (*Digikam, error) {
	m, err := d.MakeModel(NsDk)
	if err != nil {
		return nil, err
	}
	x, _ := m.(*Digikam)
	return x, nil
}

func FindModel(d *xmp.Document) *Digikam {
	if m := d.FindModel(NsDk); m != nil {
		return m.(*Digikam)
	}
	return nil
}

type Digikam struct {
	TagsList     xmp.StringArray `xmp:"digiKam:TagsList"`
}

func (x Digikam) Can(nsName string) bool {
	return NsDk.GetName() == nsName
}

func (x Digikam) Namespaces() xmp.NamespaceList {
	return xmp.NamespaceList{NsDk}
}

func (x *Digikam) SyncModel(d *xmp.Document) error {
	return nil
}

func (x *Digikam) SyncFromXMP(d *xmp.Document) error {
	return nil
}

func (x Digikam) SyncToXMP(d *xmp.Document) error {
	return nil
}

func (x *Digikam) CanTag(tag string) bool {
	_, err := xmp.GetNativeField(x, tag)
	return err == nil
}

func (x *Digikam) GetTag(tag string) (string, error) {
	if v, err := xmp.GetNativeField(x, tag); err != nil {
		return "", fmt.Errorf("%s: %v", NsDk.GetName(), err)
	} else {
		return v, nil
	}
}

func (x *Digikam) SetTag(tag, value string) error {
	if err := xmp.SetNativeField(x, tag, value); err != nil {
		return fmt.Errorf("%s: %v", NsDk.GetName(), err)
	}
	return nil
}


func main() {
	d := xmp.NewDocument()
	m := NewModel("somestring")
	if _, err := d.AddModel(m); err != nil {
		panic(err)
	}
	if err := m.SetTag("TagsList","holla\n"); err != nil {
		panic(err)
	}
	buf, _ := xmp.Marshal(d)
	os.Stdout.Write(buf)
}

   <digiKam:TagsList>
    <rdf:Seq>
     <rdf:li>People/Herbert</rdf:li>
     <rdf:li>Mountains</rdf:li>
    </rdf:Seq>
   </digiKam:TagsList>

<dc:creator>
    <rdf:Seq>
        <rdf:li>Mark.Brown</rdf:li>
    </rdf:Seq>
</dc:creator>

WARNING: DATA RACE
Read at 0x000008332ea0 by goroutine 1243:
  github.com/trimmer-io/go-xmp/xmp.NewNode()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/node.go:83 +0xcb
  github.com/trimmer-io/go-xmp/xmp.copyNode()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/node.go:121 +0xa8
  github.com/trimmer-io/go-xmp/xmp.copyNodes()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/node.go:133 +0x169
  github.com/trimmer-io/go-xmp/xmp.copyNode()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/node.go:126 +0x42c
  github.com/trimmer-io/go-xmp/xmp.(*Decoder).decodeNode()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/unmarshal.go:175 +0x693
  github.com/trimmer-io/go-xmp/xmp.(*Decoder).Decode()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/unmarshal.go:133 +0x1a84
  github.com/trimmer-io/go-xmp/xmp.Unmarshal()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/unmarshal.go:60 +0xce
...

Previous write at 0x000008332ea0 by goroutine 2555:
  github.com/trimmer-io/go-xmp/xmp.NewNode()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/node.go:83 +0xe8
  github.com/trimmer-io/go-xmp/xmp.(*Node).UnmarshalXML()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/node.go:379 +0x3f4
  github.com/trimmer-io/go-xmp/xmp.(*Node).UnmarshalXML()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/node.go:380 +0x4a9
  encoding/xml.(*Decoder).unmarshalInterface()
      /usr/local/go/src/encoding/xml/read.go:211 +0x1ac
  encoding/xml.(*Decoder).unmarshal()
      /usr/local/go/src/encoding/xml/read.go:363 +0xc6d
  encoding/xml.(*Decoder).DecodeElement()
      /usr/local/go/src/encoding/xml/read.go:156 +0x2a4
  encoding/xml.(*Decoder).Decode()
      /usr/local/go/src/encoding/xml/read.go:140 +0x84
  github.com/trimmer-io/go-xmp/xmp.(*Decoder).Decode()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/unmarshal.go:81 +0x204
  github.com/trimmer-io/go-xmp/xmp.Unmarshal()
      /home/matt/go/pkg/mod/github.com/trimmer-io/[email protected]/xmp/unmarshal.go:60 +0xce

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