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Diffstat (limited to 'vendor/src/github.com/godbus/dbus/dbus.go')
-rw-r--r--vendor/src/github.com/godbus/dbus/dbus.go258
1 files changed, 258 insertions, 0 deletions
diff --git a/vendor/src/github.com/godbus/dbus/dbus.go b/vendor/src/github.com/godbus/dbus/dbus.go
new file mode 100644
index 0000000000..2ce68735cd
--- /dev/null
+++ b/vendor/src/github.com/godbus/dbus/dbus.go
@@ -0,0 +1,258 @@
+package dbus
+
+import (
+ "errors"
+ "reflect"
+ "strings"
+)
+
+var (
+ byteType = reflect.TypeOf(byte(0))
+ boolType = reflect.TypeOf(false)
+ uint8Type = reflect.TypeOf(uint8(0))
+ int16Type = reflect.TypeOf(int16(0))
+ uint16Type = reflect.TypeOf(uint16(0))
+ int32Type = reflect.TypeOf(int32(0))
+ uint32Type = reflect.TypeOf(uint32(0))
+ int64Type = reflect.TypeOf(int64(0))
+ uint64Type = reflect.TypeOf(uint64(0))
+ float64Type = reflect.TypeOf(float64(0))
+ stringType = reflect.TypeOf("")
+ signatureType = reflect.TypeOf(Signature{""})
+ objectPathType = reflect.TypeOf(ObjectPath(""))
+ variantType = reflect.TypeOf(Variant{Signature{""}, nil})
+ interfacesType = reflect.TypeOf([]interface{}{})
+ unixFDType = reflect.TypeOf(UnixFD(0))
+ unixFDIndexType = reflect.TypeOf(UnixFDIndex(0))
+)
+
+// An InvalidTypeError signals that a value which cannot be represented in the
+// D-Bus wire format was passed to a function.
+type InvalidTypeError struct {
+ Type reflect.Type
+}
+
+func (e InvalidTypeError) Error() string {
+ return "dbus: invalid type " + e.Type.String()
+}
+
+// Store copies the values contained in src to dest, which must be a slice of
+// pointers. It converts slices of interfaces from src to corresponding structs
+// in dest. An error is returned if the lengths of src and dest or the types of
+// their elements don't match.
+func Store(src []interface{}, dest ...interface{}) error {
+ if len(src) != len(dest) {
+ return errors.New("dbus.Store: length mismatch")
+ }
+
+ for i := range src {
+ if err := store(src[i], dest[i]); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func store(src, dest interface{}) error {
+ if reflect.TypeOf(dest).Elem() == reflect.TypeOf(src) {
+ reflect.ValueOf(dest).Elem().Set(reflect.ValueOf(src))
+ return nil
+ } else if hasStruct(dest) {
+ rv := reflect.ValueOf(dest).Elem()
+ switch rv.Kind() {
+ case reflect.Struct:
+ vs, ok := src.([]interface{})
+ if !ok {
+ return errors.New("dbus.Store: type mismatch")
+ }
+ t := rv.Type()
+ ndest := make([]interface{}, 0, rv.NumField())
+ for i := 0; i < rv.NumField(); i++ {
+ field := t.Field(i)
+ if field.PkgPath == "" && field.Tag.Get("dbus") != "-" {
+ ndest = append(ndest, rv.Field(i).Addr().Interface())
+ }
+ }
+ if len(vs) != len(ndest) {
+ return errors.New("dbus.Store: type mismatch")
+ }
+ err := Store(vs, ndest...)
+ if err != nil {
+ return errors.New("dbus.Store: type mismatch")
+ }
+ case reflect.Slice:
+ sv := reflect.ValueOf(src)
+ if sv.Kind() != reflect.Slice {
+ return errors.New("dbus.Store: type mismatch")
+ }
+ rv.Set(reflect.MakeSlice(rv.Type(), sv.Len(), sv.Len()))
+ for i := 0; i < sv.Len(); i++ {
+ if err := store(sv.Index(i).Interface(), rv.Index(i).Addr().Interface()); err != nil {
+ return err
+ }
+ }
+ case reflect.Map:
+ sv := reflect.ValueOf(src)
+ if sv.Kind() != reflect.Map {
+ return errors.New("dbus.Store: type mismatch")
+ }
+ keys := sv.MapKeys()
+ rv.Set(reflect.MakeMap(sv.Type()))
+ for _, key := range keys {
+ v := reflect.New(sv.Type().Elem())
+ if err := store(v, sv.MapIndex(key).Interface()); err != nil {
+ return err
+ }
+ rv.SetMapIndex(key, v.Elem())
+ }
+ default:
+ return errors.New("dbus.Store: type mismatch")
+ }
+ return nil
+ } else {
+ return errors.New("dbus.Store: type mismatch")
+ }
+}
+
+func hasStruct(v interface{}) bool {
+ t := reflect.TypeOf(v)
+ for {
+ switch t.Kind() {
+ case reflect.Struct:
+ return true
+ case reflect.Slice, reflect.Ptr, reflect.Map:
+ t = t.Elem()
+ default:
+ return false
+ }
+ }
+}
+
+// An ObjectPath is an object path as defined by the D-Bus spec.
+type ObjectPath string
+
+// IsValid returns whether the object path is valid.
+func (o ObjectPath) IsValid() bool {
+ s := string(o)
+ if len(s) == 0 {
+ return false
+ }
+ if s[0] != '/' {
+ return false
+ }
+ if s[len(s)-1] == '/' && len(s) != 1 {
+ return false
+ }
+ // probably not used, but technically possible
+ if s == "/" {
+ return true
+ }
+ split := strings.Split(s[1:], "/")
+ for _, v := range split {
+ if len(v) == 0 {
+ return false
+ }
+ for _, c := range v {
+ if !isMemberChar(c) {
+ return false
+ }
+ }
+ }
+ return true
+}
+
+// A UnixFD is a Unix file descriptor sent over the wire. See the package-level
+// documentation for more information about Unix file descriptor passsing.
+type UnixFD int32
+
+// A UnixFDIndex is the representation of a Unix file descriptor in a message.
+type UnixFDIndex uint32
+
+// alignment returns the alignment of values of type t.
+func alignment(t reflect.Type) int {
+ switch t {
+ case variantType:
+ return 1
+ case objectPathType:
+ return 4
+ case signatureType:
+ return 1
+ case interfacesType: // sometimes used for structs
+ return 8
+ }
+ switch t.Kind() {
+ case reflect.Uint8:
+ return 1
+ case reflect.Uint16, reflect.Int16:
+ return 2
+ case reflect.Uint32, reflect.Int32, reflect.String, reflect.Array, reflect.Slice, reflect.Map:
+ return 4
+ case reflect.Uint64, reflect.Int64, reflect.Float64, reflect.Struct:
+ return 8
+ case reflect.Ptr:
+ return alignment(t.Elem())
+ }
+ return 1
+}
+
+// isKeyType returns whether t is a valid type for a D-Bus dict.
+func isKeyType(t reflect.Type) bool {
+ switch t.Kind() {
+ case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
+ reflect.Int16, reflect.Int32, reflect.Int64, reflect.Float64,
+ reflect.String:
+
+ return true
+ }
+ return false
+}
+
+// isValidInterface returns whether s is a valid name for an interface.
+func isValidInterface(s string) bool {
+ if len(s) == 0 || len(s) > 255 || s[0] == '.' {
+ return false
+ }
+ elem := strings.Split(s, ".")
+ if len(elem) < 2 {
+ return false
+ }
+ for _, v := range elem {
+ if len(v) == 0 {
+ return false
+ }
+ if v[0] >= '0' && v[0] <= '9' {
+ return false
+ }
+ for _, c := range v {
+ if !isMemberChar(c) {
+ return false
+ }
+ }
+ }
+ return true
+}
+
+// isValidMember returns whether s is a valid name for a member.
+func isValidMember(s string) bool {
+ if len(s) == 0 || len(s) > 255 {
+ return false
+ }
+ i := strings.Index(s, ".")
+ if i != -1 {
+ return false
+ }
+ if s[0] >= '0' && s[0] <= '9' {
+ return false
+ }
+ for _, c := range s {
+ if !isMemberChar(c) {
+ return false
+ }
+ }
+ return true
+}
+
+func isMemberChar(c rune) bool {
+ return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') ||
+ (c >= 'a' && c <= 'z') || c == '_'
+}