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// Copyright 2016 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 source
import (
"path/filepath"
"github.com/gohugoio/hugo/hugofs"
"github.com/spf13/afero"
)
// Filesystem represents a source filesystem.
type Filesystem struct {
Base string
fs afero.Fs
fi hugofs.FileMetaInfo
SourceSpec
}
// NewFilesystem returns a new filesytem for a given source spec.
func (sp SourceSpec) NewFilesystem(base string) *Filesystem {
return &Filesystem{SourceSpec: sp, Base: base, fs: sp.Fs.Source}
}
func (f *Filesystem) Walk(addFile func(*File) error) error {
walker := func(path string, fi hugofs.FileMetaInfo) error {
if fi.IsDir() {
return nil
}
meta := fi.Meta()
filename := meta.Filename
b, err := f.shouldRead(filename, fi)
if err != nil {
return err
}
if b {
if err = addFile(NewFileInfo(fi)); err != nil {
return err
}
}
return err
}
w := hugofs.NewWalkway(hugofs.WalkwayConfig{
Fs: f.fs,
Info: f.fi,
Root: f.Base,
WalkFn: walker,
})
return w.Walk()
}
func (f *Filesystem) shouldRead(filename string, fi hugofs.FileMetaInfo) (bool, error) {
ignore := f.SourceSpec.IgnoreFile(fi.Meta().Filename)
if fi.IsDir() {
if ignore {
return false, filepath.SkipDir
}
return false, nil
}
if ignore {
return false, nil
}
return true, nil
}
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