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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 source
import (
"os"
"path/filepath"
"regexp"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/hugofs"
"github.com/spf13/cast"
)
// SourceSpec abstracts language-specific file creation.
// TODO(bep) rename to Spec
type SourceSpec struct {
Cfg config.Provider
Fs *hugofs.Fs
// This is set if the ignoreFiles config is set.
ignoreFilesRe []*regexp.Regexp
Languages map[string]interface{}
DefaultContentLanguage string
}
// NewSourceSpec initializes SourceSpec using languages from a given configuration.
func NewSourceSpec(cfg config.Provider, fs *hugofs.Fs) *SourceSpec {
defaultLang := cfg.GetString("defaultContentLanguage")
languages := cfg.GetStringMap("languages")
if len(languages) == 0 {
l := helpers.NewDefaultLanguage(cfg)
languages[l.Lang] = l
defaultLang = l.Lang
}
ignoreFiles := cast.ToStringSlice(cfg.Get("ignoreFiles"))
var regexps []*regexp.Regexp
if len(ignoreFiles) > 0 {
for _, ignorePattern := range ignoreFiles {
re, err := regexp.Compile(ignorePattern)
if err != nil {
helpers.DistinctErrorLog.Printf("Invalid regexp %q in ignoreFiles: %s", ignorePattern, err)
} else {
regexps = append(regexps, re)
}
}
}
return &SourceSpec{ignoreFilesRe: regexps, Cfg: cfg, Fs: fs, Languages: languages, DefaultContentLanguage: defaultLang}
}
func (s *SourceSpec) IgnoreFile(filename string) bool {
base := filepath.Base(filename)
if len(base) > 0 {
first := base[0]
last := base[len(base)-1]
if first == '.' ||
first == '#' ||
last == '~' {
return true
}
}
if len(s.ignoreFilesRe) == 0 {
return false
}
for _, re := range s.ignoreFilesRe {
if re.MatchString(filename) {
return true
}
}
return false
}
func (s *SourceSpec) IsRegularSourceFile(filename string) (bool, error) {
fi, err := helpers.LstatIfOs(s.Fs.Source, filename)
if err != nil {
return false, err
}
if fi.IsDir() {
return false, nil
}
if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
link, err := filepath.EvalSymlinks(filename)
fi, err = helpers.LstatIfOs(s.Fs.Source, link)
if err != nil {
return false, err
}
if fi.IsDir() {
return false, nil
}
}
return true, nil
}
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