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object_data.go
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object_data.go
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// Copyright 2020-2024 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 bufmodule
import (
"errors"
"fmt"
"github.com/bufbuild/buf/private/pkg/normalpath"
)
// ObjectData is individual file data.
//
// It matches bufconfig.ObjectData, but is also defined here to avoid circular dependencies.
// As opposed to most of our interfaces, it does not have a private method limiting its implementation
// to this package.
//
// registry-proto Files can be converted into ObjectDatas.
type ObjectData interface {
// Name returns the file name.
//
// Always non-empty.
Name() string
// Data returns the file data.
Data() []byte
}
func NewObjectData(name string, data []byte) (ObjectData, error) {
return newObjectData(name, data)
}
/// *** PRIVATE ***
type objectData struct {
name string
data []byte
}
func newObjectData(name string, data []byte) (*objectData, error) {
if name == "" {
return nil, errors.New("name is empty when constructing an ObjectData")
}
if normalpath.Base(name) != name {
return nil, fmt.Errorf("expected file name but got file path %q", name)
}
return &objectData{
name: name,
data: data,
}, nil
}
func (o *objectData) Name() string {
return o.name
}
func (o *objectData) Data() []byte {
return o.data
}