1 | #Region "Microsoft.VisualBasic::ce075806382293939df3455aa5debe0c, Microsoft.VisualBasic.Core\Text\Xml\XmlEntity.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Module XmlEntity |
35 | ' |
36 | ' Function: EscapingXmlEntity, UnescapeHTML, UnescapingXmlEntity |
37 | ' |
38 | ' |
39 | ' /********************************************************************************/ |
40 | |
41 | #End Region |
42 | |
43 | Imports System.IO |
44 | Imports System.Runtime.CompilerServices |
45 | Imports System.Text |
46 | Imports System.Web |
47 | |
48 | Namespace Text.Xml |
49 | |
50 | ''' <summary> |
51 | ''' https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references |
52 | ''' </summary> |
53 | Public Module XmlEntity |
54 | |
55 | Public Function EscapingXmlEntity(str As String) As String |
56 | Return New StringBuilder(str) _ |
57 | .Replace("&", "&") _ |
58 | .Replace("""", """) _ |
59 | .Replace("'", "'") _ |
60 | .Replace("<", "<") _ |
61 | .Replace(">", ">") _ |
62 | .ToString |
63 | End Function |
64 | |
65 | Public Function UnescapingXmlEntity(str As String) As String |
66 | Return New StringBuilder(str) _ |
67 | .Replace(""", """") _ |
68 | .Replace("'", "'") _ |
69 | .Replace("<", "<") _ |
70 | .Replace(">", ">") _ |
71 | .Replace("&", "&") _ |
72 | .ToString |
73 | End Function |
74 | |
75 | ''' <summary> |
76 | ''' 处理HTML之中的特殊符号的转义 |
77 | ''' </summary> |
78 | ''' <param name="html"></param> |
79 | ''' <returns></returns> |
80 | <Extension> Public Function UnescapeHTML(html As String) As String |
81 | Using writer As New StringWriter() |
82 | ' Decode the encoded string. |
83 | HttpUtility.HtmlDecode(html, writer) |
84 | Return writer.ToString() |
85 | End Using |
86 | End Function |
87 | End Module |
88 | End Namespace |