forked from c1ay/gnostic
/
filterCommon.go
44 lines (40 loc) · 1.34 KB
/
filterCommon.go
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// Copyright 2020 Google LLC. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package vocabulary
import (
metrics "github.com/google/gnostic/metrics"
)
// FilterCommon implements the difference operation amongst a slice of Vocabularies.
// The function returns a slice of Vocabularies that contains the unique terms
// for each pb file.
func FilterCommon(v []*metrics.Vocabulary) *metrics.VocabularyList {
uniqueVocabularies := make([]*metrics.Vocabulary, 0)
n := len(v)
for x := 0; x < n; x++ {
temp := make([]*metrics.Vocabulary, 0)
temp = append(temp, v[x])
for y := 0; y < n; y++ {
if x == y {
continue
}
temp = append(temp, v[y])
}
vocab := Difference(temp)
uniqueVocabularies = append(uniqueVocabularies, vocab)
}
unique := &metrics.VocabularyList{
Vocabularies: uniqueVocabularies,
}
return unique
}