github.com/abayer/test-infra@v0.0.5/mungegithub/mungers/matchers/comment/operators.go (about) 1 /* 2 Copyright 2016 The Kubernetes Authors. 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 comment 18 19 // True is a matcher that is always true 20 type True struct{} 21 22 // Match returns true no matter what 23 func (t True) Match(comment *Comment) bool { 24 return true 25 } 26 27 // False is a matcher that is always false 28 type False struct{} 29 30 // Match returns false no matter what 31 func (t False) Match(comment *Comment) bool { 32 return false 33 } 34 35 // And makes sure that each match in the list matches (true if empty) 36 type And []Matcher 37 38 // Match returns true if all the matcher in the list matches 39 func (a And) Match(comment *Comment) bool { 40 for _, matcher := range []Matcher(a) { 41 if !matcher.Match(comment) { 42 return false 43 } 44 } 45 return true 46 } 47 48 // Or makes sure that at least one element in the list matches (false if empty) 49 type Or []Matcher 50 51 // Match returns true if one of the matcher in the list matches 52 func (o Or) Match(comment *Comment) bool { 53 for _, matcher := range []Matcher(o) { 54 if matcher.Match(comment) { 55 return true 56 } 57 } 58 return false 59 } 60 61 // Not reverses the effect of the matcher 62 type Not struct { 63 Matcher Matcher 64 } 65 66 // Match returns true if the matcher would return false, and vice-versa 67 func (n Not) Match(comment *Comment) bool { 68 return !n.Matcher.Match(comment) 69 }