mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-24 16:10:54 +00:00
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
// Copyright © 2014 Steve Francia <spf@spf13.com>.
|
|
//
|
|
// Licensed under the Simple Public 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://opensource.org/licenses/Simple-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 helpers
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"net"
|
|
"strings"
|
|
)
|
|
|
|
func StripHTML(s string) string {
|
|
output := ""
|
|
|
|
// Shortcut strings with no tags in them
|
|
if !strings.ContainsAny(s, "<>") {
|
|
output = s
|
|
} else {
|
|
s = strings.Replace(s, "\n", " ", -1)
|
|
s = strings.Replace(s, "</p>", " \n", -1)
|
|
s = strings.Replace(s, "<br>", " \n", -1)
|
|
s = strings.Replace(s, "</br>", " \n", -1)
|
|
|
|
// Walk through the string removing all tags
|
|
b := new(bytes.Buffer)
|
|
inTag := false
|
|
for _, r := range s {
|
|
switch r {
|
|
case '<':
|
|
inTag = true
|
|
case '>':
|
|
inTag = false
|
|
default:
|
|
if !inTag {
|
|
b.WriteRune(r)
|
|
}
|
|
}
|
|
}
|
|
output = b.String()
|
|
}
|
|
return output
|
|
}
|
|
|
|
func FindAvailablePort() (*net.TCPAddr, error) {
|
|
l, err := net.Listen("tcp", ":0")
|
|
if err == nil {
|
|
defer l.Close()
|
|
addr := l.Addr()
|
|
if a, ok := addr.(*net.TCPAddr); ok {
|
|
return a, nil
|
|
}
|
|
return nil, fmt.Errorf("Unable to obtain a valid tcp port. %v", addr)
|
|
}
|
|
return nil, err
|
|
}
|