Added all required dependencies

vendor/github.com/Unknwon/com/html.go

@@ -0,0 +1,60 @@
+// Copyright 2013 com authors
+//
+// 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 com
+
+import (
+	"html"
+	"regexp"
+	"strings"
+)
+
+// Html2JS converts []byte type of HTML content into JS format.
+func Html2JS(data []byte) []byte {
+	s := string(data)
+	s = strings.Replace(s, `\`, `\\`, -1)
+	s = strings.Replace(s, "\n", `\n`, -1)
+	s = strings.Replace(s, "\r", "", -1)
+	s = strings.Replace(s, "\"", `\"`, -1)
+	s = strings.Replace(s, "<table>", "&lt;table>", -1)
+	return []byte(s)
+}
+
+// encode html chars to string
+func HtmlEncode(str string) string {
+	return html.EscapeString(str)
+}
+
+// decode string to html chars
+func HtmlDecode(str string) string {
+	return html.UnescapeString(str)
+}
+
+// strip tags in html string
+func StripTags(src string) string {
+	//去除style,script,html tag
+	re := regexp.MustCompile(`(?s)<(?:style|script)[^<>]*>.*?</(?:style|script)>|</?[a-z][a-z0-9]*[^<>]*>|<!--.*?-->`)
+	src = re.ReplaceAllString(src, "")
+
+	//trim all spaces(2+) into \n
+	re = regexp.MustCompile(`\s{2,}`)
+	src = re.ReplaceAllString(src, "\n")
+
+	return strings.TrimSpace(src)
+}
+
+// change \n to <br/>
+func Nl2br(str string) string {
+	return strings.Replace(str, "\n", "<br/>", -1)
+}