github.com/galaxyobe/gen@v0.0.0-20220910125335-392fa8f0990f/pkg/util/tag.go (about)

     1  /*
     2   Copyright 2022 Galaxyobe.
     3  
     4   Licensed under the Apache License, Version 2.0 (the "License");
     5   you may not use this file except in compliance with the License.
     6   You may obtain a copy of the License at
     7  
     8       http://www.apache.org/licenses/LICENSE-2.0
     9  
    10   Unless required by applicable law or agreed to in writing, software
    11   distributed under the License is distributed on an "AS IS" BASIS,
    12   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   See the License for the specific language governing permissions and
    14   limitations under the License.
    15  */
    16  
    17  package util
    18  
    19  import (
    20  	"reflect"
    21  	"strings"
    22  
    23  	"k8s.io/gengo/types"
    24  )
    25  
    26  const (
    27  	Package = "package"
    28  	True    = "true"
    29  	False   = "false"
    30  )
    31  
    32  func CheckTag(tag string, comments []string, require ...string) bool {
    33  	values := types.ExtractCommentTags("+", comments)[tag]
    34  	if len(require) == 0 {
    35  		return len(values) == 1 && values[0] == ""
    36  	}
    37  	if values == nil {
    38  		return false
    39  	}
    40  	return reflect.DeepEqual(values, require)
    41  }
    42  
    43  func GetTagBoolStatus(tag string, comments []string) (set bool, enabled bool) {
    44  	values := types.ExtractCommentTags("+", comments)[tag]
    45  	switch len(values) {
    46  	case 0:
    47  		enabled = true
    48  		return
    49  	default:
    50  		set = true
    51  		enabled = strings.Split(values[0], ",")[0] == True
    52  		return
    53  	}
    54  }
    55  
    56  func GetTagValues(tag string, comments []string) []string {
    57  	values := types.ExtractCommentTags("+", comments)[tag]
    58  	if len(values) == 0 {
    59  		return nil
    60  	}
    61  	var result []string
    62  	for _, item := range values {
    63  		result = append(result, strings.Split(item, ",")...)
    64  	}
    65  	return result
    66  }
    67  
    68  func GetTagValuesStatus(tag string, comments []string) (bool, []string) {
    69  	values := types.ExtractCommentTags("+", comments)[tag]
    70  	if len(values) == 0 {
    71  		return false, nil
    72  	}
    73  	var result []string
    74  	for _, item := range values {
    75  		result = append(result, strings.Split(item, ",")...)
    76  	}
    77  	return true, result
    78  }
    79  
    80  func GetTagValueStatus(tag string, comments []string) (bool, string) {
    81  	set, values := GetTagValuesStatus(tag, comments)
    82  	if len(values) > 0 {
    83  		return set, values[0]
    84  	}
    85  	return false, ""
    86  }