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60 lines
1.7 KiB
60 lines
1.7 KiB
// Copyright 2013 com authors |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"): you may |
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// not use this file except in compliance with the License. You may obtain |
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// a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-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, WITHOUT |
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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// License for the specific language governing permissions and limitations |
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// under the License. |
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package com |
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import ( |
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"html" |
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"regexp" |
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"strings" |
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) |
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// Html2JS converts []byte type of HTML content into JS format. |
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func Html2JS(data []byte) []byte { |
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s := string(data) |
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s = strings.Replace(s, `\`, `\\`, -1) |
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s = strings.Replace(s, "\n", `\n`, -1) |
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s = strings.Replace(s, "\r", "", -1) |
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s = strings.Replace(s, "\"", `\"`, -1) |
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s = strings.Replace(s, "<table>", "<table>", -1) |
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return []byte(s) |
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} |
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// encode html chars to string |
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func HtmlEncode(str string) string { |
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return html.EscapeString(str) |
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} |
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// decode string to html chars |
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func HtmlDecode(str string) string { |
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return html.UnescapeString(str) |
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} |
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// strip tags in html string |
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func StripTags(src string) string { |
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//去除style,script,html tag |
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re := regexp.MustCompile(`(?s)<(?:style|script)[^<>]*>.*?</(?:style|script)>|</?[a-z][a-z0-9]*[^<>]*>|<!--.*?-->`) |
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src = re.ReplaceAllString(src, "") |
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//trim all spaces(2+) into \n |
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re = regexp.MustCompile(`\s{2,}`) |
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src = re.ReplaceAllString(src, "\n") |
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return strings.TrimSpace(src) |
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} |
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// change \n to <br/> |
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func Nl2br(str string) string { |
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return strings.Replace(str, "\n", "<br/>", -1) |
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}
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