forked from TrueCloudLab/neoneo-go
112 lines
1.7 KiB
Go
112 lines
1.7 KiB
Go
package vm
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import (
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"math/big"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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)
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type (
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enumerator interface {
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Next() bool
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Value() stackitem.Item
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}
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arrayWrapper struct {
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index int
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value []stackitem.Item
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}
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byteArrayWrapper struct {
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index int
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value []byte
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}
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)
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type (
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iterator interface {
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enumerator
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Key() stackitem.Item
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}
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mapWrapper struct {
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index int
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m []stackitem.MapElement
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}
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keysWrapper struct {
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iter iterator
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}
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valuesWrapper struct {
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iter iterator
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}
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)
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func (a *arrayWrapper) Next() bool {
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if next := a.index + 1; next < len(a.value) {
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a.index = next
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return true
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}
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return false
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}
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func (a *arrayWrapper) Value() stackitem.Item {
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return a.value[a.index]
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}
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func (a *arrayWrapper) Key() stackitem.Item {
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return stackitem.Make(a.index)
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}
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func (a *byteArrayWrapper) Next() bool {
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if next := a.index + 1; next < len(a.value) {
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a.index = next
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return true
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}
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return false
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}
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func (a *byteArrayWrapper) Value() stackitem.Item {
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return stackitem.NewBigInteger(big.NewInt(int64(a.value[a.index])))
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}
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func (a *byteArrayWrapper) Key() stackitem.Item {
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return stackitem.Make(a.index)
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}
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func (m *mapWrapper) Next() bool {
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if next := m.index + 1; next < len(m.m) {
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m.index = next
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return true
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}
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return false
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}
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func (m *mapWrapper) Value() stackitem.Item {
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return m.m[m.index].Value
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}
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func (m *mapWrapper) Key() stackitem.Item {
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return m.m[m.index].Key
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}
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func (e *keysWrapper) Next() bool {
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return e.iter.Next()
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}
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func (e *keysWrapper) Value() stackitem.Item {
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return e.iter.Key()
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}
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func (e *valuesWrapper) Next() bool {
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return e.iter.Next()
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}
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func (e *valuesWrapper) Value() stackitem.Item {
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return e.iter.Value()
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}
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