remove third party package 'structs'; improve performance for package internal/structs

encoding/ghtml/ghtml.go

@@ -14,27 +14,27 @@ import (
 	strip "github.com/grokify/html-strip-tags-go"
 )
 
-// 过滤掉HTML标签，只返回text内容
-// 参考：http://php.net/manual/zh/function.strip-tags.php
+// StripTags strips HTML tags from content, and returns only text.
+// Referer: http://php.net/manual/zh/function.strip-tags.php
 func StripTags(s string) string {
 	return strip.StripTags(s)
 }
 
-// 本函数各方面都和SpecialChars一样，
-// 除了Entities会转换所有具有 HTML 实体的字符。
-// 参考：http://php.net/manual/zh/function.htmlentities.php
+// Entities encodes all HTML chars for content.
+// Referer: http://php.net/manual/zh/function.htmlentities.php
 func Entities(s string) string {
 	return html.EscapeString(s)
 }
 
-// Entities 的相反操作
-// 参考：http://php.net/manual/zh/function.html-entity-decode.php
+// EntitiesDecode decodes all HTML chars for content.
+// Referer: http://php.net/manual/zh/function.html-entity-decode.php
 func EntitiesDecode(s string) string {
 	return html.UnescapeString(s)
 }
 
-// 将html中的部分特殊标签转换为html转义标签
-// 参考：http://php.net/manual/zh/function.htmlspecialchars.php
+// SpecialChars encodes some special chars for content, these special chars are:
+// "&", "<", ">", `"`, "'".
+// Referer: http://php.net/manual/zh/function.htmlspecialchars.php
 func SpecialChars(s string) string {
 	return strings.NewReplacer(
 		"&", "&amp;",
@@ -45,8 +45,9 @@ func SpecialChars(s string) string {
 	).Replace(s)
 }
 
-// 将html部分转义标签还原为html特殊标签
-// 参考：http://php.net/manual/zh/function.htmlspecialchars-decode.php
+// SpecialCharsDecode decodes some special chars for content, these special chars are:
+// "&", "<", ">", `"`, "'".
+// Referer: http://php.net/manual/zh/function.htmlspecialchars-decode.php
 func SpecialCharsDecode(s string) string {
 	return strings.NewReplacer(
 		"&amp;", "&",

encoding/ghtml/ghtml_test.go

@@ -3,6 +3,7 @@
 // This Source Code Form is subject to the terms of the MIT License.
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://github.com/gogf/gf.
+
 package ghtml_test
 
 import (