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// Copyright 2018 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 paths
import (
"fmt"
"path/filepath"
"strings"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/langs"
"github.com/gohugoio/hugo/hugofs"
)
var FilePathSeparator = string(filepath.Separator)
type Paths struct {
Fs *hugofs.Fs
Cfg config.Provider
BaseURL
// If the baseURL contains a base path, e.g. https://example.com/docs, then "/docs" will be the BasePath.
// This will not be set if canonifyURLs is enabled.
BasePath string
// Directories
// TODO(bep) when we have trimmed down mos of the dirs usage outside of this package, make
// these into an interface.
ContentDir string
ThemesDir string
WorkingDir string
AbsResourcesDir string
AbsPublishDir string
// pagination path handling
PaginatePath string
PublishDir string
DisablePathToLower bool
RemovePathAccents bool
UglyURLs bool
CanonifyURLs bool
Language *langs.Language
Languages langs.Languages
// The PathSpec looks up its config settings in both the current language
// and then in the global Viper config.
// Some settings, the settings listed below, does not make sense to be set
// on per-language-basis. We have no good way of protecting against this
// other than a "white-list". See language.go.
defaultContentLanguageInSubdir bool
DefaultContentLanguage string
multilingual bool
themes []string
AllThemes []ThemeConfig
}
func New(fs *hugofs.Fs, cfg config.Provider) (*Paths, error) {
baseURLstr := cfg.GetString("baseURL")
baseURL, err := newBaseURLFromString(baseURLstr)
if err != nil {
return nil, fmt.Errorf("Failed to create baseURL from %q: %s", baseURLstr, err)
}
// TODO(bep)
contentDir := cfg.GetString("contentDir")
workingDir := cfg.GetString("workingDir")
resourceDir := cfg.GetString("resourceDir")
publishDir := cfg.GetString("publishDir")
defaultContentLanguage := cfg.GetString("defaultContentLanguage")
var (
language *langs.Language
languages langs.Languages
)
if l, ok := cfg.(*langs.Language); ok {
language = l
}
if l, ok := cfg.Get("languagesSorted").(langs.Languages); ok {
languages = l
}
if len(languages) == 0 {
// We have some old tests that does not test the entire chain, hence
// they have no languages. So create one so we get the proper filesystem.
languages = langs.Languages{&langs.Language{Lang: "en", Cfg: cfg, ContentDir: contentDir}}
}
absPublishDir := AbsPathify(workingDir, publishDir)
if !strings.HasSuffix(absPublishDir, FilePathSeparator) {
absPublishDir += FilePathSeparator
}
// If root, remove the second '/'
if absPublishDir == "//" {
absPublishDir = FilePathSeparator
}
absResourcesDir := AbsPathify(workingDir, resourceDir)
if !strings.HasSuffix(absResourcesDir, FilePathSeparator) {
absResourcesDir += FilePathSeparator
}
if absResourcesDir == "//" {
absResourcesDir = FilePathSeparator
}
p := &Paths{
Fs: fs,
Cfg: cfg,
BaseURL: baseURL,
DisablePathToLower: cfg.GetBool("disablePathToLower"),
RemovePathAccents: cfg.GetBool("removePathAccents"),
UglyURLs: cfg.GetBool("uglyURLs"),
CanonifyURLs: cfg.GetBool("canonifyURLs"),
ContentDir: contentDir,
ThemesDir: cfg.GetString("themesDir"),
WorkingDir: workingDir,
AbsResourcesDir: absResourcesDir,
AbsPublishDir: absPublishDir,
themes: config.GetStringSlicePreserveString(cfg, "theme"),
multilingual: cfg.GetBool("multilingual"),
defaultContentLanguageInSubdir: cfg.GetBool("defaultContentLanguageInSubdir"),
DefaultContentLanguage: defaultContentLanguage,
Language: language,
Languages: languages,
PaginatePath: cfg.GetString("paginatePath"),
}
if cfg.IsSet("allThemes") {
p.AllThemes = cfg.Get("allThemes").([]ThemeConfig)
} else {
p.AllThemes, err = collectThemeNames(p)
if err != nil {
return nil, err
}
}
// TODO(bep) remove this, eventually
p.PublishDir = absPublishDir
return p, nil
}
func (p *Paths) Lang() string {
if p == nil || p.Language == nil {
return ""
}
return p.Language.Lang
}
// ThemeSet checks whether a theme is in use or not.
func (p *Paths) ThemeSet() bool {
return len(p.themes) > 0
}
func (p *Paths) Themes() []string {
return p.themes
}
func (p *Paths) GetLanguagePrefix() string {
if !p.multilingual {
return ""
}
defaultLang := p.DefaultContentLanguage
defaultInSubDir := p.defaultContentLanguageInSubdir
currentLang := p.Language.Lang
if currentLang == "" || (currentLang == defaultLang && !defaultInSubDir) {
return ""
}
return currentLang
}
// GetLangSubDir returns the given language's subdir if needed.
func (p *Paths) GetLangSubDir(lang string) string {
if !p.multilingual {
return ""
}
if p.Languages.IsMultihost() {
return ""
}
if lang == "" || (lang == p.DefaultContentLanguage && !p.defaultContentLanguageInSubdir) {
return ""
}
return lang
}
// AbsPathify creates an absolute path if given a relative path. If already
// absolute, the path is just cleaned.
func (p *Paths) AbsPathify(inPath string) string {
return AbsPathify(p.WorkingDir, inPath)
}
// AbsPathify creates an absolute path if given a working dir and arelative path.
// If already absolute, the path is just cleaned.
func AbsPathify(workingDir, inPath string) string {
if filepath.IsAbs(inPath) {
return filepath.Clean(inPath)
}
return filepath.Join(workingDir, inPath)
}
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