| 1 | #Region "Microsoft.VisualBasic::3c024e891522574f02cbf72ad183b6d2, Microsoft.VisualBasic.Core\CommandLine\Interpreters\View\CommandHelp.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 CommandHelpExtensions |
| 35 | ' |
| 36 | ' Function: PrintCommandHelp |
| 37 | ' |
| 38 | ' Sub: listingCommands |
| 39 | ' |
| 40 | ' |
| 41 | ' /********************************************************************************/ |
| 42 | |
| 43 | #End Region |
| 44 | |
| 45 | Imports System.Runtime.CompilerServices |
| 46 | Imports Microsoft.VisualBasic.Language |
| 47 | Imports Microsoft.VisualBasic.Language.UnixBash |
| 48 | |
| 49 | Namespace CommandLine.ManView |
| 50 | |
| 51 | Module CommandHelpExtensions |
| 52 | |
| 53 | <Extension> |
| 54 | Public Function PrintCommandHelp(app As Interpreter, commandName$) As Integer |
| 55 | Dim name As New Value(Of String) |
| 56 | |
| 57 | If app.__API_table.ContainsKey(name = commandName.ToLower) Then |
| 58 | Call app.__API_table(name).PrintHelp |
| 59 | Else |
| 60 | Dim list$() = app.ListingRelated(commandName) |
| 61 | |
| 62 | If list.IsNullOrEmpty Then |
| 63 | Call Console.WriteLine($"Bad command, no such a command named ""{commandName}"", ? for command list.") |
| 64 | Call Console.WriteLine() |
| 65 | Call Console.WriteLine(PS1.Fedora12.ToString & " ?" & commandName) |
| 66 | Else |
| 67 | Call app.listingCommands(list, commandName) |
| 68 | End If |
| 69 | |
| 70 | Return -2 |
| 71 | End If |
| 72 | |
| 73 | Return 0 |
| 74 | End Function |
| 75 | |
| 76 | ''' <summary> |
| 77 | ''' Bad command, no such a command named ""{0}"", but you probably want to using one of these commands: |
| 78 | ''' </summary> |
| 79 | Const BAD_COMMAND_LISTING_COMMANDS$ = "Bad command, no such a command named ""{0}"", but you probably want to using one of these commands:" |
| 80 | |
| 81 | <Extension> |
| 82 | Friend Sub listingCommands(app As Interpreter, commands$(), commandName$) |
| 83 | Call Console.WriteLine(BAD_COMMAND_LISTING_COMMANDS, commandName) |
| 84 | Call Console.WriteLine() |
| 85 | |
| 86 | Dim maxLength = commands.MaxLengthString.Length |
| 87 | |
| 88 | For Each cName As String In commands |
| 89 | With cName |
| 90 | Dim msg$ |
| 91 | |
| 92 | msg$ = .ByRef & New String(" "c, maxLength - .Length + 3) |
| 93 | |
| 94 | With app.__API_table(.ToLower).Info |
| 95 | If Not .StringEmpty Then |
| 96 | msg$ &= Mid(.ByRef, 1, 60) & "..." |
| 97 | End If |
| 98 | End With |
| 99 | |
| 100 | Call Console.WriteLine(" " & msg) |
| 101 | End With |
| 102 | Next |
| 103 | End Sub |
| 104 | End Module |
| 105 | End Namespace |