diff options
Diffstat (limited to 'vendor/github.com/godbus/dbus/variant.go')
-rw-r--r-- | vendor/github.com/godbus/dbus/variant.go | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/vendor/github.com/godbus/dbus/variant.go b/vendor/github.com/godbus/dbus/variant.go deleted file mode 100644 index 0ca123b01..000000000 --- a/vendor/github.com/godbus/dbus/variant.go +++ /dev/null @@ -1,144 +0,0 @@ -package dbus - -import ( - "bytes" - "fmt" - "reflect" - "sort" - "strconv" -) - -// Variant represents the D-Bus variant type. -type Variant struct { - sig Signature - value interface{} -} - -// MakeVariant converts the given value to a Variant. It panics if v cannot be -// represented as a D-Bus type. -func MakeVariant(v interface{}) Variant { - return MakeVariantWithSignature(v, SignatureOf(v)) -} - -// MakeVariantWithSignature converts the given value to a Variant. -func MakeVariantWithSignature(v interface{}, s Signature) Variant { - return Variant{s, v} -} - -// ParseVariant parses the given string as a variant as described at -// https://developer.gnome.org/glib/unstable/gvariant-text.html. If sig is not -// empty, it is taken to be the expected signature for the variant. -func ParseVariant(s string, sig Signature) (Variant, error) { - tokens := varLex(s) - p := &varParser{tokens: tokens} - n, err := varMakeNode(p) - if err != nil { - return Variant{}, err - } - if sig.str == "" { - sig, err = varInfer(n) - if err != nil { - return Variant{}, err - } - } - v, err := n.Value(sig) - if err != nil { - return Variant{}, err - } - return MakeVariant(v), nil -} - -// format returns a formatted version of v and whether this string can be parsed -// unambigously. -func (v Variant) format() (string, bool) { - switch v.sig.str[0] { - case 'b', 'i': - return fmt.Sprint(v.value), true - case 'n', 'q', 'u', 'x', 't', 'd', 'h': - return fmt.Sprint(v.value), false - case 's': - return strconv.Quote(v.value.(string)), true - case 'o': - return strconv.Quote(string(v.value.(ObjectPath))), false - case 'g': - return strconv.Quote(v.value.(Signature).str), false - case 'v': - s, unamb := v.value.(Variant).format() - if !unamb { - return "<@" + v.value.(Variant).sig.str + " " + s + ">", true - } - return "<" + s + ">", true - case 'y': - return fmt.Sprintf("%#x", v.value.(byte)), false - } - rv := reflect.ValueOf(v.value) - switch rv.Kind() { - case reflect.Slice: - if rv.Len() == 0 { - return "[]", false - } - unamb := true - buf := bytes.NewBuffer([]byte("[")) - for i := 0; i < rv.Len(); i++ { - // TODO: slooow - s, b := MakeVariant(rv.Index(i).Interface()).format() - unamb = unamb && b - buf.WriteString(s) - if i != rv.Len()-1 { - buf.WriteString(", ") - } - } - buf.WriteByte(']') - return buf.String(), unamb - case reflect.Map: - if rv.Len() == 0 { - return "{}", false - } - unamb := true - var buf bytes.Buffer - kvs := make([]string, rv.Len()) - for i, k := range rv.MapKeys() { - s, b := MakeVariant(k.Interface()).format() - unamb = unamb && b - buf.Reset() - buf.WriteString(s) - buf.WriteString(": ") - s, b = MakeVariant(rv.MapIndex(k).Interface()).format() - unamb = unamb && b - buf.WriteString(s) - kvs[i] = buf.String() - } - buf.Reset() - buf.WriteByte('{') - sort.Strings(kvs) - for i, kv := range kvs { - if i > 0 { - buf.WriteString(", ") - } - buf.WriteString(kv) - } - buf.WriteByte('}') - return buf.String(), unamb - } - return `"INVALID"`, true -} - -// Signature returns the D-Bus signature of the underlying value of v. -func (v Variant) Signature() Signature { - return v.sig -} - -// String returns the string representation of the underlying value of v as -// described at https://developer.gnome.org/glib/unstable/gvariant-text.html. -func (v Variant) String() string { - s, unamb := v.format() - if !unamb { - return "@" + v.sig.str + " " + s - } - return s -} - -// Value returns the underlying value of v. -func (v Variant) Value() interface{} { - return v.value -} |