85 lines
1.8 KiB
Go
85 lines
1.8 KiB
Go
// Copyright © 2022 Roberto Hidalgo <chinampa@un.rob.mx>
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// SPDX-License-Identifier: Apache-2.0
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package tree
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import (
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"sort"
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"git.rob.mx/nidito/chinampa/internal/registry"
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"git.rob.mx/nidito/chinampa/pkg/command"
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"github.com/spf13/cobra"
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)
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type CommandTree struct {
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Command *command.Command `json:"command"`
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Children []*CommandTree `json:"children"`
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}
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func (t *CommandTree) Traverse(fn func(cmd *command.Command) error) error {
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for _, child := range t.Children {
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if err := fn(child.Command); err != nil {
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return err
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}
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if err := child.Traverse(fn); err != nil {
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return err
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}
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}
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return nil
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}
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var tree *CommandTree
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func Build(cc *cobra.Command, depth int) {
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tree = &CommandTree{
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Command: registry.FromCobra(cc),
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Children: []*CommandTree{},
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}
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var populateTree func(cmd *cobra.Command, ct *CommandTree, maxDepth int, depth int)
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populateTree = func(cmd *cobra.Command, ct *CommandTree, maxDepth int, depth int) {
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newDepth := depth + 1
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for _, subcc := range cmd.Commands() {
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if subcc.Hidden {
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continue
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}
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if cmd := registry.FromCobra(subcc); cmd != nil {
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leaf := &CommandTree{Children: []*CommandTree{}}
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leaf.Command = cmd
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ct.Children = append(ct.Children, leaf)
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if newDepth < maxDepth {
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populateTree(subcc, leaf, maxDepth, newDepth)
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}
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}
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}
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}
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populateTree(cc, tree, depth, 0)
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}
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func Serialize(serializationFn func(any) ([]byte, error)) (string, error) {
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bytes, err := serializationFn(tree)
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if err != nil {
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return "", err
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}
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return string(bytes), nil
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}
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func ChildrenNames() []string {
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if tree == nil {
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return []string{}
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}
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ret := make([]string, len(tree.Children))
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for idx, cmd := range tree.Children {
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ret[idx] = cmd.Command.Name()
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}
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sort.Strings(ret)
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return ret
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}
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func CommandList() []*command.Command {
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return registry.CommandList()
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}
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