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buildx/vendor/github.com/docker/cli-docs-tool/clidocstool.go

124 lines
2.7 KiB
Go

// Copyright 2017 cli-docs-tool authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package clidocstool
import (
"errors"
"io"
"os"
"strings"
"github.com/spf13/cobra"
)
// Options defines options for cli-docs-tool
type Options struct {
Root *cobra.Command
SourceDir string
TargetDir string
Plugin bool
}
// Client represents an active cli-docs-tool object
type Client struct {
root *cobra.Command
source string
target string
plugin bool
}
// New initializes a new cli-docs-tool client
func New(opts Options) (*Client, error) {
if opts.Root == nil {
return nil, errors.New("root cmd required")
}
if len(opts.SourceDir) == 0 {
return nil, errors.New("source dir required")
}
c := &Client{
root: opts.Root,
source: opts.SourceDir,
plugin: opts.Plugin,
}
if len(opts.TargetDir) == 0 {
c.target = c.source
} else {
c.target = opts.TargetDir
}
if err := os.MkdirAll(c.target, 0755); err != nil {
return nil, err
}
return c, nil
}
// GenAllTree creates all structured ref files for this command and
// all descendants in the directory given.
func (c *Client) GenAllTree() error {
var err error
if err = c.GenMarkdownTree(c.root); err != nil {
return err
}
if err = c.GenYamlTree(c.root); err != nil {
return err
}
return nil
}
func fileExists(f string) bool {
info, err := os.Stat(f)
if os.IsNotExist(err) {
return false
}
return !info.IsDir()
}
func copyFile(src string, dst string) error {
sf, err := os.Open(src)
if err != nil {
return err
}
defer sf.Close()
df, err := os.OpenFile(dst, os.O_CREATE|os.O_WRONLY, 0o600)
if err != nil {
return err
}
defer df.Close()
_, err = io.Copy(df, sf)
return err
}
func getAliases(cmd *cobra.Command) []string {
if a := cmd.Annotations["aliases"]; a != "" {
aliases := strings.Split(a, ",")
for i := 0; i < len(aliases); i++ {
aliases[i] = strings.TrimSpace(aliases[i])
}
return aliases
}
if len(cmd.Aliases) == 0 {
return cmd.Aliases
}
var parentPath string
if cmd.HasParent() {
parentPath = cmd.Parent().CommandPath() + " "
}
aliases := []string{cmd.CommandPath()}
for _, a := range cmd.Aliases {
aliases = append(aliases, parentPath+a)
}
return aliases
}