mirror of
https://github.com/gohugoio/hugo.git
synced 2024-07-04 16:21:57 +00:00
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
// Copyright © 2014 Steve Francia <spf@spf13.com>.
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//
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// Licensed under the Simple Public License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://opensource.org/licenses/Simple-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package helpers
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import (
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"bytes"
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"fmt"
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"net"
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"strings"
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)
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func StripHTML(s string) string {
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output := ""
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// Shortcut strings with no tags in them
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if !strings.ContainsAny(s, "<>") {
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output = s
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} else {
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s = strings.Replace(s, "\n", " ", -1)
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s = strings.Replace(s, "</p>", " \n", -1)
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s = strings.Replace(s, "<br>", " \n", -1)
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s = strings.Replace(s, "</br>", " \n", -1)
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// Walk through the string removing all tags
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b := new(bytes.Buffer)
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inTag := false
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for _, r := range s {
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switch r {
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case '<':
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inTag = true
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case '>':
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inTag = false
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default:
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if !inTag {
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b.WriteRune(r)
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}
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}
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}
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output = b.String()
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}
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return output
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}
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func FindAvailablePort() (*net.TCPAddr, error) {
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l, err := net.Listen("tcp", ":0")
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if err == nil {
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defer l.Close()
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addr := l.Addr()
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if a, ok := addr.(*net.TCPAddr); ok {
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return a, nil
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}
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return nil, fmt.Errorf("Unable to obtain a valid tcp port. %v", addr)
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}
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return nil, err
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}
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