github.com/google/osv-scalibr@v0.4.1/semantic/version-pub.go (about)

     1  // Copyright 2025 Google LLC
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package semantic
    16  
    17  import (
    18  	"strings"
    19  )
    20  
    21  type pubVersion struct {
    22  	semverLikeVersion
    23  }
    24  
    25  func (v pubVersion) compare(w pubVersion) int {
    26  	if diff := v.Components.Cmp(w.Components); diff != 0 {
    27  		return diff
    28  	}
    29  	if diff := compareBuildComponents(v.Build, w.Build); diff != 0 {
    30  		return diff
    31  	}
    32  
    33  	_, vBuild, _ := strings.Cut(v.Build, "+")
    34  	_, wBuild, _ := strings.Cut(w.Build, "+")
    35  
    36  	return strings.Compare(vBuild, wBuild)
    37  }
    38  
    39  func (v pubVersion) CompareStr(str string) (int, error) {
    40  	w := parsePubVersion(str)
    41  
    42  	return v.compare(w), nil
    43  }
    44  
    45  func parsePubVersion(str string) pubVersion {
    46  	return pubVersion{parseSemverLikeVersion(str, 3)}
    47  }