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introspect.go
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introspect.go
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// Package introspect provides some utilities for dealing with the DBus
// introspection format.
package introspect
import "encoding/xml"
// The introspection data for the org.freedesktop.DBus.Introspectable interface.
var IntrospectData = Interface{
Name: "org.freedesktop.DBus.Introspectable",
Methods: []Method{
{
Name: "Introspect",
Args: []Arg{
{"out", "s", "out"},
},
},
},
}
// XML document type declaration of the introspection format version 1.0
const IntrospectDeclarationString = `
<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
`
// The introspection data for the org.freedesktop.DBus.Introspectable interface,
// as a string.
const IntrospectDataString = `
<interface name="org.freedesktop.DBus.Introspectable">
<method name="Introspect">
<arg name="out" direction="out" type="s"/>
</method>
</interface>
`
// Node is the root element of an introspection.
type Node struct {
XMLName xml.Name `xml:"node"`
Name string `xml:"name,attr,omitempty"`
Interfaces []Interface `xml:"interface"`
Children []Node `xml:"node,omitempty"`
}
// Interface describes a DBus interface that is available on the message bus.
type Interface struct {
Name string `xml:"name,attr"`
Methods []Method `xml:"method"`
Signals []Signal `xml:"signal"`
Properties []Property `xml:"property"`
Annotations []Annotation `xml:"annotation"`
}
// Method describes a Method on an Interface as retured by an introspection.
type Method struct {
Name string `xml:"name,attr"`
Args []Arg `xml:"arg"`
Annotations []Annotation `xml:"annotation"`
}
// Signal describes a Signal emitted on an Interface.
type Signal struct {
Name string `xml:"name,attr"`
Args []Arg `xml:"arg"`
Annotations []Annotation `xml:"annotation"`
}
// Property describes a property of an Interface.
type Property struct {
Name string `xml:"name,attr"`
Type string `xml:"type,attr"`
Access string `xml:"access,attr"`
Annotations []Annotation `xml:"annotation"`
}
// Arg represents an argument of a method or a signal.
type Arg struct {
Name string `xml:"name,attr,omitempty"`
Type string `xml:"type,attr"`
Direction string `xml:"direction,attr,omitempty"`
}
// Annotation is an annotation in the introspection format.
type Annotation struct {
Name string `xml:"name,attr"`
Value string `xml:"value,attr"`
}