| 1 | #Region "Microsoft.VisualBasic::2752fb765f45d7cba9688fcd6c357296, Microsoft.VisualBasic.Core\ComponentModel\DataStructures\Tree\BinaryTree\Extensions.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 Extensions |
| 35 | ' |
| 36 | ' Function: NameCompare, NameFuzzyMatch |
| 37 | ' |
| 38 | ' |
| 39 | ' /********************************************************************************/ |
| 40 | |
| 41 | #End Region |
| 42 | |
| 43 | Imports sys = System.Math |
| 44 | |
| 45 | Namespace ComponentModel.DataStructures.BinaryTree |
| 46 | |
| 47 | Public Module Extensions |
| 48 | |
| 49 | ''' <summary> |
| 50 | ''' 字符串名字的比较规则: |
| 51 | ''' |
| 52 | ''' 假若字符串是空值或者空字符串,则该变量小 |
| 53 | ''' 假若字符串相等(忽略大小写),则变量值一样 |
| 54 | ''' 最后逐个字符进行比较,按照字母的charcode大小来比较,第一个charcode大的变量大 |
| 55 | ''' </summary> |
| 56 | ''' <param name="a$"></param> |
| 57 | ''' <param name="b$"></param> |
| 58 | ''' <returns></returns> |
| 59 | Public Function NameCompare(a$, b$) As Integer |
| 60 | Dim null1 = String.IsNullOrEmpty(a) |
| 61 | Dim null2 = String.IsNullOrEmpty(b) |
| 62 | |
| 63 | If null1 AndAlso null2 Then |
| 64 | Return 0 |
| 65 | ElseIf null1 Then |
| 66 | Return -1 |
| 67 | ElseIf null2 Then |
| 68 | Return 1 |
| 69 | ElseIf String.Equals(a, b, StringComparison.OrdinalIgnoreCase) Then |
| 70 | Return 0 |
| 71 | Else |
| 72 | |
| 73 | Dim minl = sys.Min(a.Length, b.Length) |
| 74 | Dim c1, c2 As Char |
| 75 | |
| 76 | For i As Integer = 0 To minl - 1 |
| 77 | c1 = Char.ToLower(a.Chars(i)) |
| 78 | c2 = Char.ToLower(b.Chars(i)) |
| 79 | |
| 80 | If c1 <> c2 Then |
| 81 | Return c1.CompareTo(c2) |
| 82 | End If |
| 83 | Next |
| 84 | |
| 85 | If a.Length < b.Length Then |
| 86 | Return -1 |
| 87 | Else |
| 88 | Return 1 |
| 89 | End If |
| 90 | End If |
| 91 | End Function |
| 92 | |
| 93 | ''' <summary> |
| 94 | ''' The term index search engine. |
| 95 | ''' |
| 96 | ''' + If the string similarity less than threshold, then will returns negative value |
| 97 | ''' + If the string similarity greater than threshold, then will returns positive value |
| 98 | ''' + If the string text equals to other, then will reutrns ZERO |
| 99 | ''' </summary> |
| 100 | ''' <param name="a$"></param> |
| 101 | ''' <param name="b$"></param> |
| 102 | ''' <returns></returns> |
| 103 | Public Function NameFuzzyMatch(a$, b$) As Integer |
| 104 | Dim similarity = Text.Levenshtein.ComputeDistance(a, b) |
| 105 | |
| 106 | If a.TextEquals(b) Then |
| 107 | Return 0 |
| 108 | ElseIf similarity Is Nothing Then |
| 109 | Return -1 |
| 110 | ElseIf similarity.MatchSimilarity < 0.6 Then |
| 111 | Return -1 |
| 112 | Else |
| 113 | Return 1 |
| 114 | End If |
| 115 | End Function |
| 116 | End Module |
| 117 | End Namespace |