gokwallet/map_funcs.go

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package gokwallet
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import (
"github.com/godbus/dbus/v5"
)
/*
NewMap returns a Map. It requires a RecurseOpts
(you can use DefaultRecurseOpts, call NewRecurseOpts, or provide your own RecurseOpts struct).
It also requires a Folder.
*/
func NewMap(f *Folder, keyName string, recursion *RecurseOpts) (m *Map, err error) {
if !f.isInit {
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err = ErrInitFolder
return
}
m = &Map{
DbusObject: f.DbusObject,
Name: keyName,
// Value: "",
Recurse: recursion,
wm: f.wallet.wm,
wallet: f.wallet,
folder: f,
isInit: false,
}
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m.isInit = true
if m.Recurse.AllWalletItems || m.Recurse.Maps {
if err = m.Update(); err != nil {
return
}
}
m.isInit = true
return
}
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// Delete will delete this Map from its parent Folder. You may want to run Folder.UpdateMaps to update the existing map of Map items.
func (m *Map) Delete() (err error) {
if err = m.folder.RemoveEntry(m.Name); err != nil {
return
}
m = nil
return
}
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// Exists returns true if this Map actually exists.
func (m *Map) Exists() (exists bool, err error) {
if exists, err = m.folder.HasEntry(m.Name); err != nil {
return
}
return
}
// Rename renames this Map (changes its key).
func (m *Map) Rename(newName string) (err error) {
if err = m.folder.RenameEntry(m.Name, newName); err != nil {
return
}
m.Name = newName
return
}
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// SetValue will replace this Map's Map.Value.
func (m *Map) SetValue(newValue map[string]string) (err error) {
if _, err = m.folder.WriteMap(m.Name, newValue); err != nil {
return
}
m.Value = newValue
return
}
// Update fetches a Map's Map.Value.
func (m *Map) Update() (err error) {
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var call *dbus.Call
var b []byte
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if err = m.folder.wallet.walletCheck(); err != nil {
return
}
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m.Value = make(map[string]string, 0)
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if call = m.Dbus.Call(
DbusWMReadMap, 0, m.folder.wallet.handle, m.folder.Name, m.Name, m.folder.wallet.wm.AppID,
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); call.Err != nil {
err = call.Err
return
}
if err = call.Store(&b); err != nil {
return
}
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if len(b) != 0 {
if m.Value, _, err = bytesToMap(b); err != nil {
return
}
}
return
}
// isWalletItem is needed for interface membership.
func (m *Map) isWalletItem() (isWalletItem bool) {
isWalletItem = true
return
}