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// Copyright 2017-present 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 hugolib
import (
"strings"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/source"
)
// fileInfo implements the File and ReadableFile interface.
var (
_ source.File = (*fileInfo)(nil)
_ source.ReadableFile = (*fileInfo)(nil)
_ pathLangFile = (*fileInfo)(nil)
)
// A partial interface to prevent ambigous compiler error.
type basePather interface {
Filename() string
RealName() string
BaseDir() string
}
type fileInfo struct {
bundleTp bundleDirType
source.ReadableFile
basePather
overriddenLang string
// Set if the content language for this file is disabled.
disabled bool
}
func (fi *fileInfo) Lang() string {
if fi.overriddenLang != "" {
return fi.overriddenLang
}
return fi.ReadableFile.Lang()
}
func (fi *fileInfo) Filename() string {
if fi == nil || fi.basePather == nil {
return ""
}
return fi.basePather.Filename()
}
func (fi *fileInfo) String() string {
if fi == nil || fi.ReadableFile == nil {
return ""
}
return fi.Path()
}
func (fi *fileInfo) isOwner() bool {
return fi.bundleTp > bundleNot
}
func IsContentFile(filename string) bool {
return contentFileExtensionsSet[strings.TrimPrefix(helpers.Ext(filename), ".")]
}
func (fi *fileInfo) isContentFile() bool {
return contentFileExtensionsSet[fi.Ext()]
}
func newFileInfo(sp *source.SourceSpec, baseDir, filename string, fi pathLangFileFi, tp bundleDirType) *fileInfo {
baseFi := sp.NewFileInfo(baseDir, filename, tp == bundleLeaf, fi)
f := &fileInfo{
bundleTp: tp,
ReadableFile: baseFi,
basePather: fi,
}
lang := f.Lang()
f.disabled = lang != "" && sp.DisabledLanguages[lang]
return f
}
type bundleDirType int
const (
bundleNot bundleDirType = iota
// All from here are bundles in one form or another.
bundleLeaf
bundleBranch
)
// Returns the given file's name's bundle type and whether it is a content
// file or not.
func classifyBundledFile(name string) (bundleDirType, bool) {
if !IsContentFile(name) {
return bundleNot, false
}
if strings.HasPrefix(name, "_index.") {
return bundleBranch, true
}
if strings.HasPrefix(name, "index.") {
return bundleLeaf, true
}
return bundleNot, true
}
func (b bundleDirType) String() string {
switch b {
case bundleNot:
return "Not a bundle"
case bundleLeaf:
return "Regular bundle"
case bundleBranch:
return "Branch bundle"
}
return ""
}
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