gf/os/gcmd/gcmd_parser_handler.go

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// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
// 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 (
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"github.com/gogf/gf/v2/errors/gcode"
"github.com/gogf/gf/v2/errors/gerror"
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)
// BindHandle registers callback function `f` with `cmd`.
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func (p *Parser) BindHandle(cmd string, f func()) error {
if _, ok := p.commandFuncMap[cmd]; ok {
return gerror.NewCode(gcode.CodeInvalidOperation, "duplicated handle for command:"+cmd)
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} else {
p.commandFuncMap[cmd] = f
}
return nil
}
// BindHandleMap registers callback function with map `m`.
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func (p *Parser) BindHandleMap(m map[string]func()) error {
var err error
for k, v := range m {
if err = p.BindHandle(k, v); err != nil {
return err
}
}
return err
}
// RunHandle executes the callback function registered by `cmd`.
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func (p *Parser) RunHandle(cmd string) error {
if handle, ok := p.commandFuncMap[cmd]; ok {
handle()
} else {
return gerror.NewCode(gcode.CodeMissingConfiguration, "no handle found for command:"+cmd)
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}
return nil
}
// AutoRun automatically recognizes and executes the callback function
// by value of index 0 (the first console parameter).
func (p *Parser) AutoRun() error {
if cmd := p.GetArg(1); !cmd.IsEmpty() {
if handle, ok := p.commandFuncMap[cmd.String()]; ok {
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handle()
} else {
return gerror.NewCode(gcode.CodeMissingConfiguration, "no handle found for command:"+cmd.String())
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}
} else {
return gerror.NewCode(gcode.CodeMissingParameter, "no command found")
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}
return nil
}