| 1 | #Region "Microsoft.VisualBasic::11909a7468e2003223b5585e0bbdbfa4, Microsoft.VisualBasic.Core\Net\Tcp\IPTools\AddressEnumerator.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 AddressEnumerator |
| 35 | ' |
| 36 | ' Function: (+3 Overloads) EnumerateAddress, Enumerates |
| 37 | ' |
| 38 | ' |
| 39 | ' /********************************************************************************/ |
| 40 | |
| 41 | #End Region |
| 42 | |
| 43 | Imports System.Runtime.CompilerServices |
| 44 | Imports System.Text.RegularExpressions |
| 45 | |
| 46 | Namespace Net |
| 47 | |
| 48 | Public Module AddressEnumerator |
| 49 | |
| 50 | Public Iterator Function EnumerateAddress(a$, b$, c$) As IEnumerable(Of String) |
| 51 | For i As Integer = 0 To 255 |
| 52 | Yield $"{a}.{b}.{c}.{i}" |
| 53 | Next |
| 54 | End Function |
| 55 | |
| 56 | Public Iterator Function EnumerateAddress(a$, b$) As IEnumerable(Of String) |
| 57 | For i As Integer = 0 To 255 |
| 58 | For Each ip$ In EnumerateAddress(a, b, i) |
| 59 | Yield ip |
| 60 | Next |
| 61 | Next |
| 62 | End Function |
| 63 | |
| 64 | ''' <summary> |
| 65 | ''' |
| 66 | ''' </summary> |
| 67 | ''' <param name="expression$"> |
| 68 | ''' Example as: |
| 69 | ''' |
| 70 | ''' ``` |
| 71 | ''' 192.168.100.* |
| 72 | ''' 192.168.*.233 |
| 73 | ''' 192.1-120.*.* |
| 74 | ''' ``` |
| 75 | ''' </param> |
| 76 | ''' <returns></returns> |
| 77 | ''' |
| 78 | <Extension> |
| 79 | Public Iterator Function EnumerateAddress(expression$) As IEnumerable(Of String) |
| 80 | Dim t$() = expression.Split("."c) |
| 81 | |
| 82 | For Each a$ In Enumerates(t(0)) |
| 83 | For Each b$ In Enumerates(t(1)) |
| 84 | For Each c$ In Enumerates(t(2)) |
| 85 | For Each d$ In Enumerates(t(3)) |
| 86 | Yield $"{a}.{b}.{c}.{d}" |
| 87 | Next |
| 88 | Next |
| 89 | Next |
| 90 | Next |
| 91 | End Function |
| 92 | |
| 93 | Private Iterator Function Enumerates(expression$) As IEnumerable(Of String) |
| 94 | Dim a%, b% |
| 95 | |
| 96 | If expression = "*" Then |
| 97 | a = 0 |
| 98 | b = 255 |
| 99 | ElseIf Regex.Match(expression, "\d+-\d+").Value = expression Then |
| 100 | Dim t$() = expression.Split("-"c) |
| 101 | a = CInt(Val(t(Scan0))) |
| 102 | b = CInt(Val(t(1))) |
| 103 | Else |
| 104 | a = CInt(Val(expression)) |
| 105 | b = a |
| 106 | End If |
| 107 | |
| 108 | For i As Integer = a To b |
| 109 | Yield CStr(i) |
| 110 | Next |
| 111 | End Function |
| 112 | End Module |
| 113 | End Namespace |