mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-05-06 21:52:54 +08:00
91 lines
2.0 KiB
Go
91 lines
2.0 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package qemutils
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import (
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"strings"
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"yunion.io/x/pkg/errors"
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)
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type Cmdline struct {
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options []Option
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}
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func NewCmdline(content string) (*Cmdline, error) {
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cl := &Cmdline{
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options: make([]Option, 0),
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}
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parts := strings.Split(content, " -")
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for i := range parts {
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part := parts[i]
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segs := strings.Split(part, " ")
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if len(segs) == 0 {
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return nil, errors.Errorf("Invalid part %q", part)
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} else if len(segs) == 1 {
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cl.options = append(cl.options, newOption(segs[0], ""))
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} else {
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cl.options = append(cl.options, newOption(segs[0], strings.Join(segs[1:], " ")))
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}
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}
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return cl, nil
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}
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type Option struct {
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Key string
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Value string
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}
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func newOption(key string, val string) Option {
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val = strings.TrimRight(val, " ")
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return Option{
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Key: key,
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Value: val,
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}
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}
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func (o Option) ToString() string {
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if o.Value == "" {
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return o.Key
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}
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return o.Key + " " + o.Value
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}
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type OptionFilter func(Option) bool
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func (cl *Cmdline) FilterOption(filter OptionFilter) {
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opts := make([]Option, 0)
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for _, op := range cl.options {
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if filter(op) {
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continue
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}
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opts = append(opts, op)
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}
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cl.options = opts
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}
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func (cl *Cmdline) AddOption(opts ...Option) *Cmdline {
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cl.options = append(cl.options, opts...)
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return cl
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}
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func (cl *Cmdline) ToString() string {
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opts := make([]string, 0)
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for i := range cl.options {
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opts = append(opts, cl.options[i].ToString())
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}
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return strings.Join(opts, " -")
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}
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