hugo readers 源码
hugo readers 代码
文件路径：/common/hugio/readers.go
// Copyright 2019 The Hugo Authors. 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 hugio
import (
"io"
"strings"
)
// ReadSeeker wraps io.Reader and io.Seeker.
type ReadSeeker interface {
io.Reader
io.Seeker
}
// ReadSeekCloser is implemented by afero.File. We use this as the common type for
// content in Resource objects, even for strings.
type ReadSeekCloser interface {
ReadSeeker
io.Closer
}
// ReadSeekCloserProvider provides a ReadSeekCloser.
type ReadSeekCloserProvider interface {
ReadSeekCloser() (ReadSeekCloser, error)
}
// ReadSeekerNoOpCloser implements ReadSeekCloser by doing nothing in Close.
// TODO(bep) rename this and similar to ReadSeekerNopCloser, naming used in stdlib, which kind of makes sense.
type ReadSeekerNoOpCloser struct {
ReadSeeker
}
// Close does nothing.
func (r ReadSeekerNoOpCloser) Close() error {
return nil
}
// NewReadSeekerNoOpCloser creates a new ReadSeekerNoOpCloser with the given ReadSeeker.
func NewReadSeekerNoOpCloser(r ReadSeeker) ReadSeekerNoOpCloser {
return ReadSeekerNoOpCloser{r}
}
// NewReadSeekerNoOpCloserFromString uses strings.NewReader to create a new ReadSeekerNoOpCloser
// from the given string.
func NewReadSeekerNoOpCloserFromString(content string) ReadSeekerNoOpCloser {
return ReadSeekerNoOpCloser{strings.NewReader(content)}
}
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