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Diffstat (limited to 'lib/containers/sortedmap.go')
-rw-r--r--lib/containers/sortedmap.go76
1 files changed, 24 insertions, 52 deletions
diff --git a/lib/containers/sortedmap.go b/lib/containers/sortedmap.go
index 52308c9..d104274 100644
--- a/lib/containers/sortedmap.go
+++ b/lib/containers/sortedmap.go
@@ -1,40 +1,32 @@
-// Copyright (C) 2022 Luke Shumaker <lukeshu@lukeshu.com>
+// Copyright (C) 2022-2023 Luke Shumaker <lukeshu@lukeshu.com>
//
// SPDX-License-Identifier: GPL-2.0-or-later
package containers
-import (
- "errors"
-)
-
-type OrderedKV[K Ordered[K], V any] struct {
+type orderedKV[K Ordered[K], V any] struct {
K K
V V
}
-type SortedMap[K Ordered[K], V any] struct {
- inner RBTree[K, OrderedKV[K, V]]
-}
-
-func (m *SortedMap[K, V]) init() {
- if m.inner.KeyFn == nil {
- m.inner.KeyFn = m.keyFn
- }
+func (a orderedKV[K, V]) Compare(b orderedKV[K, V]) int {
+ return a.K.Compare(b.K)
}
-func (m *SortedMap[K, V]) keyFn(kv OrderedKV[K, V]) K {
- return kv.K
+type SortedMap[K Ordered[K], V any] struct {
+ inner RBTree[orderedKV[K, V]]
}
func (m *SortedMap[K, V]) Delete(key K) {
- m.init()
- m.inner.Delete(key)
+ m.inner.Delete(m.inner.Search(func(kv orderedKV[K, V]) int {
+ return key.Compare(kv.K)
+ }))
}
func (m *SortedMap[K, V]) Load(key K) (value V, ok bool) {
- m.init()
- node := m.inner.Lookup(key)
+ node := m.inner.Search(func(kv orderedKV[K, V]) int {
+ return key.Compare(kv.K)
+ })
if node == nil {
var zero V
return zero, false
@@ -42,41 +34,27 @@ func (m *SortedMap[K, V]) Load(key K) (value V, ok bool) {
return node.Value.V, true
}
-var errStop = errors.New("stop")
-
-func (m *SortedMap[K, V]) Range(f func(key K, value V) bool) {
- m.init()
- _ = m.inner.Walk(func(node *RBNode[OrderedKV[K, V]]) error {
- if f(node.Value.K, node.Value.V) {
- return nil
- } else {
- return errStop
- }
+func (m *SortedMap[K, V]) Store(key K, value V) {
+ m.inner.Insert(orderedKV[K, V]{
+ K: key,
+ V: value,
})
}
-func (m *SortedMap[K, V]) Subrange(rangeFn func(K, V) int, handleFn func(K, V) bool) {
- m.init()
- kvs := m.inner.SearchRange(func(kv OrderedKV[K, V]) int {
- return rangeFn(kv.K, kv.V)
+func (m *SortedMap[K, V]) Range(fn func(key K, value V) bool) {
+ m.inner.Range(func(node *RBNode[orderedKV[K, V]]) bool {
+ return fn(node.Value.K, node.Value.V)
})
- for _, kv := range kvs {
- if !handleFn(kv.K, kv.V) {
- break
- }
- }
}
-func (m *SortedMap[K, V]) Store(key K, value V) {
- m.init()
- m.inner.Insert(OrderedKV[K, V]{
- K: key,
- V: value,
- })
+func (m *SortedMap[K, V]) Subrange(rangeFn func(K, V) int, handleFn func(K, V) bool) {
+ m.inner.Subrange(
+ func(kv orderedKV[K, V]) int { return rangeFn(kv.K, kv.V) },
+ func(node *RBNode[orderedKV[K, V]]) bool { return handleFn(node.Value.K, node.Value.V) })
}
func (m *SortedMap[K, V]) Search(fn func(K, V) int) (K, V, bool) {
- node := m.inner.Search(func(kv OrderedKV[K, V]) int {
+ node := m.inner.Search(func(kv orderedKV[K, V]) int {
return fn(kv.K, kv.V)
})
if node == nil {
@@ -87,12 +65,6 @@ func (m *SortedMap[K, V]) Search(fn func(K, V) int) (K, V, bool) {
return node.Value.K, node.Value.V, true
}
-func (m *SortedMap[K, V]) SearchAll(fn func(K, V) int) []OrderedKV[K, V] {
- return m.inner.SearchRange(func(kv OrderedKV[K, V]) int {
- return fn(kv.K, kv.V)
- })
-}
-
func (m *SortedMap[K, V]) Len() int {
return m.inner.Len()
}