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imports.go
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imports.go
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// Copyright 2018 Google LLC
//
// 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
//
// https://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 gengapic
import (
"sort"
"strings"
"github.com/googleapis/gapic-generator-go/internal/pbinfo"
)
// sortImports sorts the import specs,
// and returns the index of the first non-standard import.
func sortImports(a []pbinfo.ImportSpec) int {
sort.Slice(a, func(i, j int) bool {
iDot := strings.IndexByte(a[i].Path, '.') >= 0
jDot := strings.IndexByte(a[j].Path, '.') >= 0
// standard import (without dots) comes first
if iDot != jDot {
return jDot
}
if a[i].Path != a[j].Path {
return a[i].Path < a[j].Path
}
return a[i].Name < a[j].Name
})
return sort.Search(len(a), func(i int) bool {
return strings.IndexByte(a[i].Path, '.') >= 0
})
}