1 | #Region "Microsoft.VisualBasic::e9c1f8e8c99d56f8e8b67277f9c1f934, Microsoft.VisualBasic.Core\CommandLine\InteropService\SharedORM\API.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 API |
35 | ' |
36 | ' Function: BuildArguments, CommandLineModel, Tokenize |
37 | ' |
38 | ' Sub: Tokenize |
39 | ' |
40 | ' |
41 | ' /********************************************************************************/ |
42 | |
43 | #End Region |
44 | |
45 | Imports System.Runtime.CompilerServices |
46 | Imports System.Text.RegularExpressions |
47 | Imports Microsoft.VisualBasic.CommandLine.Reflection |
48 | Imports Microsoft.VisualBasic.ComponentModel.DataSourceModel |
49 | Imports Microsoft.VisualBasic.Emit.Marshal |
50 | Imports Microsoft.VisualBasic.Language |
51 | Imports Microsoft.VisualBasic.Serialization.JSON |
52 | Imports Microsoft.VisualBasic.Text |
53 | |
54 | Namespace CommandLine.InteropService.SharedORM |
55 | |
56 | ''' <summary> |
57 | ''' CommandLine source code mapper API |
58 | ''' </summary> |
59 | Public Module API |
60 | |
61 | ' Usage:= /command1 /param1 <value1, means a string value?> /param2 <value2> [/boolean1 /boolean2 /opt <blabla, default=value233>] |
62 | |
63 | ''' <summary> |
64 | ''' 从<see cref="ExportAPIAttribute.Usage"/>之中解析出命令行的模型 |
65 | ''' </summary> |
66 | ''' <param name="usage$"> |
67 | ''' + 由于习惯于在命令行的usage说明之中使用``<>``括号对来包裹参数值,所以usage字符串数据还不能直接使用普通的命令行函数进行解析 |
68 | ''' + ``[]``方括号所包裹的参数对象都是可选参数 |
69 | ''' + 对于可选参数的默认值,默认值的解析形式为``default=...``,如果没有这个表达式,则默认为Nothing空值为默认值 |
70 | ''' </param> |
71 | ''' <returns></returns> |
72 | <Extension> Public Function CommandLineModel(usage As String) As CommandLine |
73 | Dim name$ = Nothing |
74 | Dim arguments$() = Nothing |
75 | Dim optionals$() = Nothing |
76 | |
77 | usage = usage.Trim |
78 | usage.Tokenize(name, arguments, optionals) |
79 | |
80 | ' 逻辑符号只存在于optional之中 |
81 | Dim booleans$() = Nothing |
82 | Dim params As NamedValue(Of String)() |
83 | |
84 | Try |
85 | params = arguments.BuildArguments(optionals, booleans) |
86 | Catch ex As Exception |
87 | Dim msg$ = $"Invalid commandline usage({usage})!" & vbCrLf & vbCrLf |
88 | Dim details = New Dictionary(Of String, String()) From { |
89 | {NameOf(arguments), arguments}, |
90 | {NameOf(optionals), optionals}, |
91 | {NameOf(booleans), booleans} |
92 | }.GetJson |
93 | |
94 | msg = msg & details |
95 | |
96 | Throw New ArgumentException(msg, ex) |
97 | End Try |
98 | |
99 | Dim model As New CommandLine With { |
100 | .Name = name, |
101 | .__arguments = params.AsList, |
102 | .BoolFlags = booleans.Select(AddressOf LCase).ToArray, |
103 | .cliCommandArgvs = usage |
104 | } |
105 | |
106 | Return model |
107 | End Function |
108 | |
109 | ''' <summary> |
110 | ''' |
111 | ''' </summary> |
112 | ''' <param name="args$">因为逻辑变量只存在于可选参数之中,所以在这里必须参数直接split2即可</param> |
113 | ''' <param name="optionals$"></param> |
114 | ''' <param name="booleans$"></param> |
115 | ''' <returns></returns> |
116 | <Extension> |
117 | Public Function BuildArguments(args$(), optionals$(), ByRef booleans$()) As NamedValue(Of String)() |
118 | Dim out As List(Of NamedValue(Of String)) = args _ |
119 | .Split(2) _ |
120 | .Select(Function(a) |
121 | Return New NamedValue(Of String) With { |
122 | .Name = a(0), |
123 | .Value = a(1) |
124 | } |
125 | End Function) _ |
126 | .AsList |
127 | |
128 | booleans = GetLogicalFlags(optionals, Nothing) |
129 | out += optionals _ |
130 | .CreateParameterValues(False, note:=NameOf(optionals)) _ |
131 | .ToArray |
132 | |
133 | Return out |
134 | End Function |
135 | |
136 | <Extension> |
137 | Public Sub Tokenize(usage$, ByRef name$, ByRef arguments$(), ByRef optionals$()) |
138 | Dim opts$ = Regex.Match(usage, "\[.+\]").Value |
139 | |
140 | If opts.Length > 0 Then |
141 | usage = usage.Replace(opts, "") |
142 | opts = opts.GetStackValue("[", "]") |
143 | End If |
144 | |
145 | ' 命令的名称肯定是没有空格的,所以在里直接split取第一个元素 |
146 | name = usage.Split.First |
147 | usage = Mid(usage, name.Length + 1).Trim |
148 | |
149 | ' 在下面将arguments和optionals参数进行分词就行了 |
150 | ' 因为在usage之中并不会使用双引号来分割value值,而是使用尖括号 |
151 | ' 所以在这里需要额外注意下 |
152 | arguments = usage.Tokenize |
153 | optionals = opts.Tokenize |
154 | End Sub |
155 | |
156 | ''' <summary> |
157 | ''' 使用空格分隔,但是需要对value额外注意 |
158 | ''' |
159 | ''' + 在这里面分隔符为空格 |
160 | ''' + 可以使用双引号包裹值,则双引号之中的字符串在可选参数之中都被看作为可选参数值 |
161 | ''' + 可以使用尖括号包裹值,则尖括号之中的default=表达式则是可选参数之中的默认参数值 |
162 | ''' </summary> |
163 | ''' <param name="s$"></param> |
164 | ''' <returns></returns> |
165 | <Extension> Public Function Tokenize(s As String) As String() |
166 | Dim t As New Pointer(Of Char)(s) |
167 | Dim c As Char |
168 | Dim valueEscape As Boolean = False |
169 | Dim tmp As New List(Of Char) |
170 | Dim out As New List(Of String) |
171 | Dim escapeType As Char ' 转义的起始只有双引号或者左边的尖括号 |
172 | Dim isValueEnd = |
173 | Function() |
174 | Dim last As Char = tmp.LastOrDefault |
175 | Return (escapeType = "<"c AndAlso last = ">"c) OrElse |
176 | (escapeType = ASCII.Quot AndAlso last = ASCII.Quot) |
177 | End Function |
178 | |
179 | Do While Not t.EndRead |
180 | c = ++t |
181 | |
182 | If c = " "c Then |
183 | If Not valueEscape Then |
184 | out += New String(tmp) |
185 | tmp *= 0 |
186 | Else |
187 | ' 检查上一个字符是不是value的结束符号: > |
188 | If isValueEnd() Then |
189 | |
190 | ' 则这个空格表示value的结束 |
191 | out += New String(tmp) |
192 | valueEscape = False |
193 | tmp *= 0 |
194 | escapeType = " "c ' 重置转义类型 |
195 | |
196 | Else |
197 | ' 这个空格是value值之中的一部分,则添加到临时列表 |
198 | tmp += c |
199 | End If |
200 | End If |
201 | Else |
202 | ' 检查是否是value的开始符号: <或者双引号 |
203 | If (c = "<"c OrElse c = ASCII.Quot) AndAlso tmp = 0 Then |
204 | valueEscape = True |
205 | escapeType = c |
206 | End If |
207 | |
208 | tmp += c |
209 | End If |
210 | Loop |
211 | |
212 | If tmp.Count > 0 Then |
213 | Return out + New String(tmp) |
214 | Else |
215 | Return out |
216 | End If |
217 | End Function |
218 | End Module |
219 | End Namespace |