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file_ref.go
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file_ref.go
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// Copyright 2020 Buf Technologies, Inc.
//
// 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 bufimage
import (
"github.com/bufbuild/buf/internal/buf/bufpath"
"github.com/bufbuild/buf/internal/pkg/normalpath"
)
var _ FileRef = &fileRef{}
type fileRef struct {
rootRelFilePath string
rootDirPath string
externalFilePath string
}
// externalPathResolver may be nil
func newFileRef(
rootRelFilePath string,
rootDirPath string,
externalPathResolver bufpath.ExternalPathResolver,
) (*fileRef, error) {
if rootDirPath == "" {
rootDirPath = "."
}
if err := validateRootRelFilePath(rootRelFilePath); err != nil {
return nil, err
}
if err := validateRootDirPath(rootDirPath); err != nil {
return nil, err
}
externalFilePath, err := externalPathResolver.RelPathToExternalPath(
normalpath.Join(
rootDirPath,
rootRelFilePath,
),
)
if err != nil {
return nil, err
}
return newFileRefNoValidate(
rootRelFilePath,
rootDirPath,
externalFilePath,
), nil
}
func newDirectFileRef(
rootRelFilePath string,
rootDirPath string,
externalFilePath string,
) (*fileRef, error) {
if rootDirPath == "" {
rootDirPath = "."
}
if err := validateRootRelFilePath(rootRelFilePath); err != nil {
return nil, err
}
if err := validateRootDirPath(rootDirPath); err != nil {
return nil, err
}
return newFileRefNoValidate(
rootRelFilePath,
rootDirPath,
externalFilePath,
), nil
}
func newFileRefNoValidate(
rootRelFilePath string,
rootDirPath string,
externalFilePath string,
) *fileRef {
return &fileRef{
rootRelFilePath: rootRelFilePath,
rootDirPath: rootDirPath,
externalFilePath: externalFilePath,
}
}
func (f *fileRef) RootRelFilePath() string {
return f.rootRelFilePath
}
func (f *fileRef) RootDirPath() string {
return f.rootDirPath
}
func (f *fileRef) ExternalFilePath() string {
return f.externalFilePath
}
func (*fileRef) isFileRef() {}