mirror of
https://gitee.com/johng/gf.git
synced 2024-12-04 21:28:22 +08:00
101 lines
2.4 KiB
Go
101 lines
2.4 KiB
Go
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
|
|
//
|
|
// This Source Code Form is subject to the terms of the MIT License.
|
|
// If a copy of the MIT was not distributed with this file,
|
|
// You can obtain one at https://github.com/gogf/gf.
|
|
//
|
|
|
|
package gcmd
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/gogf/gf/v2/text/gstr"
|
|
)
|
|
|
|
// Run calls custom function that bound to this command.
|
|
func (c *Command) Run(ctx context.Context) error {
|
|
// Parse command arguments and options using default algorithm.
|
|
parser, err := Parse(nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
args := parser.GetArgAll()
|
|
if len(args) == 1 {
|
|
if c.HelpFunc != nil {
|
|
return c.HelpFunc(ctx, parser)
|
|
}
|
|
return c.defaultHelpFunc(ctx, parser)
|
|
}
|
|
|
|
// Exclude the root binary name.
|
|
args = args[1:]
|
|
|
|
// Find the matched command and run it.
|
|
if subCommand := c.searchCommand(args); subCommand != nil {
|
|
return subCommand.doRun(ctx, parser)
|
|
}
|
|
|
|
// Print error and help command if no command found.
|
|
fmt.Printf("Error: command not found for \"%s\"\n\n", gstr.Join(args, " "))
|
|
c.Print()
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *Command) doRun(ctx context.Context, parser *Parser) (err error) {
|
|
// Add built-in help option, just for info only.
|
|
c.Options = append(c.Options, defaultHelpOption)
|
|
// Check built-in help command.
|
|
if parser.ContainsOpt(helpOptionName) || parser.ContainsOpt(helpOptionNameShort) {
|
|
if c.HelpFunc != nil {
|
|
return c.HelpFunc(ctx, parser)
|
|
}
|
|
return c.defaultHelpFunc(ctx, parser)
|
|
}
|
|
// Reparse the arguments for current command configuration.
|
|
parser, err = c.reParse(ctx, parser)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// Registered command function calling.
|
|
return c.Func(ctx, parser)
|
|
}
|
|
|
|
func (c *Command) reParse(ctx context.Context, parser *Parser) (*Parser, error) {
|
|
// It seems just has built-in help option, it so does nothing.
|
|
if len(c.Options) == 1 {
|
|
return parser, nil
|
|
}
|
|
var (
|
|
optionKey string
|
|
supportedOptions = make(map[string]bool)
|
|
)
|
|
for _, option := range c.Options {
|
|
if option.Short != "" {
|
|
optionKey = fmt.Sprintf(`%s.%s`, option.Name, option.Short)
|
|
} else {
|
|
optionKey = option.Name
|
|
}
|
|
supportedOptions[optionKey] = option.NeedValue
|
|
}
|
|
return Parse(supportedOptions)
|
|
}
|
|
|
|
func (c *Command) searchCommand(args []string) *Command {
|
|
if len(args) == 0 {
|
|
return nil
|
|
}
|
|
for _, cmd := range c.commands {
|
|
if cmd.Name == args[0] {
|
|
leftArgs := args[1:]
|
|
if len(leftArgs) == 0 {
|
|
return &cmd
|
|
}
|
|
return cmd.searchCommand(leftArgs)
|
|
}
|
|
}
|
|
return nil
|
|
}
|