hugo url 源码
hugo url 代码
文件路径:/common/paths/url.go
// Copyright 2021 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"
"net/url"
"path"
"path/filepath"
"strings"
)
type pathBridge struct{}
func (pathBridge) Base(in string) string {
return path.Base(in)
}
func (pathBridge) Clean(in string) string {
return path.Clean(in)
}
func (pathBridge) Dir(in string) string {
return path.Dir(in)
}
func (pathBridge) Ext(in string) string {
return path.Ext(in)
}
func (pathBridge) Join(elem ...string) string {
return path.Join(elem...)
}
func (pathBridge) Separator() string {
return "/"
}
var pb pathBridge
// MakePermalink combines base URL with content path to create full URL paths.
// Example
// base: http://spf13.com/
// path: post/how-i-blog
// result: http://spf13.com/post/how-i-blog
func MakePermalink(host, plink string) *url.URL {
base, err := url.Parse(host)
if err != nil {
panic(err)
}
p, err := url.Parse(plink)
if err != nil {
panic(err)
}
if p.Host != "" {
panic(fmt.Errorf("can't make permalink from absolute link %q", plink))
}
base.Path = path.Join(base.Path, p.Path)
// path.Join will strip off the last /, so put it back if it was there.
hadTrailingSlash := (plink == "" && strings.HasSuffix(host, "/")) || strings.HasSuffix(p.Path, "/")
if hadTrailingSlash && !strings.HasSuffix(base.Path, "/") {
base.Path = base.Path + "/"
}
return base
}
// AddContextRoot adds the context root to an URL if it's not already set.
// For relative URL entries on sites with a base url with a context root set (i.e. http://example.com/mysite),
// relative URLs must not include the context root if canonifyURLs is enabled. But if it's disabled, it must be set.
func AddContextRoot(baseURL, relativePath string) string {
url, err := url.Parse(baseURL)
if err != nil {
panic(err)
}
newPath := path.Join(url.Path, relativePath)
// path strips trailing slash, ignore root path.
if newPath != "/" && strings.HasSuffix(relativePath, "/") {
newPath += "/"
}
return newPath
}
// URLizeAn
// PrettifyURL takes a URL string and returns a semantic, clean URL.
func PrettifyURL(in string) string {
x := PrettifyURLPath(in)
if path.Base(x) == "index.html" {
return path.Dir(x)
}
if in == "" {
return "/"
}
return x
}
// PrettifyURLPath takes a URL path to a content and converts it
// to enable pretty URLs.
// /section/name.html becomes /section/name/index.html
// /section/name/ becomes /section/name/index.html
// /section/name/index.html becomes /section/name/index.html
func PrettifyURLPath(in string) string {
return prettifyPath(in, pb)
}
// Uglify does the opposite of PrettifyURLPath().
// /section/name/index.html becomes /section/name.html
// /section/name/ becomes /section/name.html
// /section/name.html becomes /section/name.html
func Uglify(in string) string {
if path.Ext(in) == "" {
if len(in) < 2 {
return "/"
}
// /section/name/ -> /section/name.html
return path.Clean(in) + ".html"
}
name, ext := fileAndExt(in, pb)
if name == "index" {
// /section/name/index.html -> /section/name.html
d := path.Dir(in)
if len(d) > 1 {
return d + ext
}
return in
}
// /.xml -> /index.xml
if name == "" {
return path.Dir(in) + "index" + ext
}
// /section/name.html -> /section/name.html
return path.Clean(in)
}
// UrlToFilename converts the URL s to a filename.
// If ParseRequestURI fails, the input is just converted to OS specific slashes and returned.
func UrlToFilename(s string) (string, bool) {
u, err := url.ParseRequestURI(s)
if err != nil {
return filepath.FromSlash(s), false
}
p := u.Path
if p == "" {
p, _ = url.QueryUnescape(u.Opaque)
return filepath.FromSlash(p), true
}
p = filepath.FromSlash(p)
if u.Host != "" {
// C:\data\file.txt
p = strings.ToUpper(u.Host) + ":" + p
}
return p, true
}
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