func (m *Map) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
var err error
for _, attr := range start.Attr {
if attr.Name.Local == "extent" {
m.setBounds(attr.Value)
}
if attr.Name.Local == "bgcolor" {
m.BgColor = color.Hex(attr.Value)
}
if attr.Name.Local == "srs" {
m.Srs, _ = proj.NewProjection(attr.Value)
}
}
if m.Srs == nil {
m.Srs, err = proj.NewProjection(defaultSrsOut)
if err != nil {
fmt.Println(err.Error())
}
}
for {
e, err := d.Token()
if err != nil {
return err
}
switch e := e.(type) {
case xml.EndElement:
if e.Name.Local == start.Name.Local {
return nil
}
case xml.StartElement:
switch e.Name.Local {
case "Style":
style := new(Style)
if err := d.DecodeElement(style, &e); err != nil {
return err
}
m.Styles = append(m.Styles, style)
case "Layer":
layer := new(Layer)
if err := d.DecodeElement(layer, &e); err != nil {
return err
}
m.Layers = append(m.Layers, layer)
case "Include":
var name string
if err := d.DecodeElement(&name, &e); err != nil {
return err
}
include, err := loadInclude(name)
if err != nil {
return err
}
m.Styles = append(m.Styles, include.Styles...)
m.Layers = append(m.Layers, include.Layers...)
}
}
}
return d.Skip()
}
func createShpSource(name string) (DataSource, error) {
f, err := shp.Open(name)
if err != nil {
return nil, err
}
srs, _ := projectron.NewProjection(defaultSrs)
return &shpSource{r: f, srs: srs}, nil
}