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path: root/vendor/github.com/godbus/dbus/variant.go
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Diffstat (limited to 'vendor/github.com/godbus/dbus/variant.go')
-rw-r--r--vendor/github.com/godbus/dbus/variant.go144
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
-}