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package main
import (
"fmt"
"log"
"os"
"strings"
"text/template"
)
const propCode = `
type Prop{{.Type}} struct {
Impl Implementer
Name string
}
func (p Prop{{.Type}}) Get(flags dbus.Flags) (value {{.GoType}}, err error) {
err = p.Impl.GetObject_().GetProperty_(flags, p.Impl.GetInterfaceName_(), p.Name, &value)
return
}
func (p Prop{{.Type}}) Set(flags dbus.Flags, value {{.GoType}}) error {
return p.Impl.GetObject_().SetProperty_(flags, p.Impl.GetInterfaceName_(), p.Name, value)
}
func (p Prop{{.Type}}) ConnectChanged(cb func(hasValue bool, value {{.GoType}})) error {
if cb == nil {
return errNilCallback
}
cb0 := func(hasValue bool, value interface{}) {
if hasValue {
val, ok := value.({{.GoType}})
if ok {
cb(true, val)
}
} else {
cb(false, {{.GoEmptyValue}})
}
}
return p.Impl.GetObject_().ConnectPropertyChanged_(p.Impl.GetInterfaceName_(), p.Name, cb0)
}
`
type config struct {
Type string
GoType string
GoEmptyValue string
}
func main() {
configs := []config{
{
Type: "Bool",
GoType: "bool",
GoEmptyValue: "false",
},
{
Type: "String",
GoType: "string",
GoEmptyValue: `""`,
},
{
Type: "ObjectPath",
GoType: "dbus.ObjectPath",
GoEmptyValue: `""`,
},
{
Type: "Double",
GoType: "float64",
GoEmptyValue: "0",
},
}
addNumType := func(name string) {
configs = append(configs, config{
Type: name,
GoType: strings.ToLower(name),
GoEmptyValue: "0",
})
}
for _, name := range []string{"Byte", "Int16", "Uint16", "Int32", "Uint32", "Int64",
"Uint64"} {
addNumType(name)
}
t := template.Must(template.New("propCode").Parse(propCode))
fmt.Println("package proxy")
fmt.Println("import \"errors\"")
fmt.Println("import \"github.com/godbus/dbus\"")
fmt.Println("\nvar errNilCallback = errors.New(\"nil callback\")")
for _, cfg := range configs {
err := t.Execute(os.Stdout, cfg)
if err != nil {
log.Fatal(err)
}
}
for _, cfg := range configs {
cfg.Type = cfg.Type + "Array"
cfg.GoType = "[]" + cfg.GoType
cfg.GoEmptyValue = "nil"
err := t.Execute(os.Stdout, cfg)
if err != nil {
log.Fatal(err)
}
}
}
|
