80 lines
1.5 KiB
Go
80 lines
1.5 KiB
Go
// Copyright Earl Warren <contact@earl-warren.org>
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// Copyright Loïc Dachary <loic@dachary.org>
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// SPDX-License-Identifier: MIT
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package generic
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import (
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"context"
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"code.forgejo.org/f3/gof3/v3/f3"
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"code.forgejo.org/f3/gof3/v3/logger"
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"github.com/google/go-cmp/cmp"
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)
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type TreeDriverInterface interface {
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logger.Interface
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GetTree() TreeInterface
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SetTree(TreeInterface)
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GetPageSize() int
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SetPageSize(int)
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AllocateID() bool
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Init()
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Diff(a, b NodeDriverInterface) string
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Factory(ctx context.Context, kind Kind) NodeDriverInterface
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}
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var DefaultPageSize = int(25)
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type NullTreeDriver struct {
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logger.Logger
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tree TreeInterface
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pageSize int
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}
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func (o *NullTreeDriver) Init() {
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o.pageSize = DefaultPageSize
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}
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func NewNullTreeDriver() TreeDriverInterface {
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d := &NullTreeDriver{}
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d.Init()
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return d
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}
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func (o *NullTreeDriver) SetTree(tree TreeInterface) {
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o.tree = tree
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if tree != nil {
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o.SetLogger(tree)
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}
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}
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func (o *NullTreeDriver) GetTree() TreeInterface { return o.tree }
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func (o *NullTreeDriver) GetPageSize() int { return o.pageSize }
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func (o *NullTreeDriver) SetPageSize(pageSize int) { o.pageSize = pageSize }
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func (o *NullTreeDriver) AllocateID() bool { return true }
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func (o *NullTreeDriver) Diff(a, b NodeDriverInterface) string {
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aFormat := a.ToFormat()
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bFormat := b.ToFormat()
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cmpOptions := f3.NewCmpOptions(aFormat)
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return cmp.Diff(aFormat, bFormat, cmpOptions)
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}
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func (o *NullTreeDriver) Factory(ctx context.Context, kind Kind) NodeDriverInterface {
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d := NewNullDriver()
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d.SetTreeDriver(o)
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return d
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}
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