mirror of https://bitbucket.org/anguist/ntpa
1494 lines
49 KiB
C#
1494 lines
49 KiB
C#
//
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// Copyright (c) 2013-2016 Carsten Sonne Larsen <cs@innolan.dk>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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using System.Runtime.Serialization;
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using System.Security.Permissions;
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using System.Text;
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using System.Text.RegularExpressions;
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using MessageLocalizerConverter = System.Converter<string, string>;
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/**
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* Authors:
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* Jonathan Pryor <jpryor@novell.com>
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* Federico Di Gregorio <fog@initd.org>
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* Rolf Bjarne Kvinge <rolf@xamarin.com>
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*
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* Copyright (C) 2008 Novell (http://www.novell.com)
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* Copyright (C) 2009 Federico Di Gregorio.
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* Copyright (C) 2012 Xamarin Inc (http://www.xamarin.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*
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* Compile With:
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* gmcs -debug+ -r:System.Core Options.cs -o:NDesk.Options.dll
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* gmcs -debug+ -d:LINQ -r:System.Core Options.cs -o:NDesk.Options.dll
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*
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* The LINQ version just changes the implementation of
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* OptionSet.Parse(IEnumerable<string>), and confers no semantic changes.
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*
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*
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* A Getopt::Long-inspired option parsing library for C#.
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*
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* NDesk.Options.OptionSet is built upon a key/value table, where the
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* key is a option format string and the value is a delegate that is
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* invoked when the format string is matched.
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*
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* Option format strings:
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* Regex-like BNF Grammar:
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* name: .+
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* type: [=:]
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* sep: ( [^{}]+ | '{' .+ '}' )?
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* aliases: ( name type sep ) ( '|' name type sep )*
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*
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* Each '|'-delimited name is an alias for the associated action. If the
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* format string ends in a '=', it has a required value. If the format
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* string ends in a ':', it has an optional value. If neither '=' or ':'
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* is present, no value is supported. `=' or `:' need only be defined on one
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* alias, but if they are provided on more than one they must be consistent.
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*
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* Each alias portion may also end with a "key/value separator", which is used
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* to split option values if the option accepts > 1 value. If not specified,
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* it defaults to '=' and ':'. If specified, it can be any character except
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* '{' and '}' OR the *string* between '{' and '}'. If no separator should be
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* used (i.e. the separate values should be distinct arguments), then "{}"
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* should be used as the separator.
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*
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* Options are extracted either from the current option by looking for
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* the option name followed by an '=' or ':', or is taken from the
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* following option IFF:
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* - The current option does not contain a '=' or a ':'
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* - The current option requires a value (i.e. not a Option type of ':')
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*
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* The `name' used in the option format string does NOT include any leading
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* option indicator, such as '-', '--', or '/'. All three of these are
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* permitted/required on any named option.
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*
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* Option bundling is permitted so long as:
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* - '-' is used to start the option group
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* - all of the bundled options are a single character
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* - at most one of the bundled options accepts a value, and the value
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* provided starts from the next character to the end of the string.
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*
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* This allows specifying '-a -b -c' as '-abc', and specifying '-D name=value'
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* as '-Dname=value'.
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*
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* Option processing is disabled by specifying "--". All options after "--"
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* are returned by OptionSet.Parse() unchanged and unprocessed.
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*
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* Unprocessed options are returned from OptionSet.Parse().
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*
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* Examples:
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* int verbose = 0;
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* OptionSet p = new OptionSet ()
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* .Add ("v", v => ++verbose)
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* .Add ("name=|value=", v => Console.WriteLine (v));
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* p.Parse (new string[]{"-v", "--v", "/v", "-name=A", "/name", "B", "extra"});
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*
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* The above would parse the argument string array, and would invoke the
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* lambda expression three times, setting `verbose' to 3 when complete.
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* It would also print out "A" and "B" to standard output.
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* The returned array would contain the string "extra".
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*
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* C# 3.0 collection initializers are supported and encouraged:
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* var p = new OptionSet () {
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* { "h|?|help", v => ShowHelp () },
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* };
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*
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* System.ComponentModel.TypeConverter is also supported, allowing the use of
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* custom data types in the callback type; TypeConverter.ConvertFromString()
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* is used to convert the value option to an instance of the specified
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* type:
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*
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* var p = new OptionSet () {
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* { "foo=", (Foo f) => Console.WriteLine (f.ToString ()) },
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* };
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*
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* Random other tidbits:
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* - Boolean options (those w/o '=' or ':' in the option format string)
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* are explicitly enabled if they are followed with '+', and explicitly
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* disabled if they are followed with '-':
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* string a = null;
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* var p = new OptionSet () {
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* { "a", s => a = s },
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* };
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* p.Parse (new string[]{"-a"}); // sets v != null
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* p.Parse (new string[]{"-a+"}); // sets v != null
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* p.Parse (new string[]{"-a-"}); // sets v == null
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*/
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namespace Ntp.Common.IO
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{
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internal static class StringCoda
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{
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public static IEnumerable<string> WrappedLines(string self, params int[] widths)
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{
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IEnumerable<int> w = widths;
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return WrappedLines(self, w);
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}
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public static IEnumerable<string> WrappedLines(string self, IEnumerable<int> widths)
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{
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if (widths == null)
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throw new ArgumentNullException(nameof(widths));
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return CreateWrappedLinesIterator(self, widths);
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}
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private static IEnumerable<string> CreateWrappedLinesIterator(string self, IEnumerable<int> widths)
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{
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if (string.IsNullOrEmpty(self))
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{
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yield return string.Empty;
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yield break;
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}
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using (var ewidths = widths.GetEnumerator())
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{
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bool? hw = null;
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var width = GetNextWidth(ewidths, int.MaxValue, ref hw);
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var start = 0;
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do
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{
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var end = GetLineEnd(start, width, self);
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var c = self[end - 1];
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if (char.IsWhiteSpace(c))
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--end;
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var needContinuation = end != self.Length && !IsEolChar(c);
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var continuation = "";
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if (needContinuation)
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{
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--end;
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continuation = "-";
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}
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var line = self.Substring(start, end - start) + continuation;
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yield return line;
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start = end;
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if (char.IsWhiteSpace(c))
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++start;
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width = GetNextWidth(ewidths, width, ref hw);
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} while (start < self.Length);
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}
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}
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private static int GetLineEnd(int start, int length, string description)
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{
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var end = Math.Min(start + length, description.Length);
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var sep = -1;
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for (var i = start; i < end; ++i)
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{
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if (description[i] == '\n')
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return i + 1;
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if (IsEolChar(description[i]))
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sep = i + 1;
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}
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if (sep == -1 || end == description.Length)
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return end;
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return sep;
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}
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private static int GetNextWidth(IEnumerator<int> ewidths, int curWidth, ref bool? eValid)
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{
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if (eValid.HasValue && !eValid.Value)
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return curWidth;
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curWidth = (eValid = ewidths.MoveNext()).Value ? ewidths.Current : curWidth;
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// '.' is any character, - is for a continuation
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const string minWidth = ".-";
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if (curWidth < minWidth.Length)
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throw new ArgumentOutOfRangeException(nameof(curWidth),
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$"Element must be >= {minWidth.Length}, was {curWidth}.");
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return curWidth;
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// no more elements, use the last element.
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}
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private static bool IsEolChar(char c)
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{
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return !char.IsLetterOrDigit(c);
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}
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}
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public sealed class OptionValueCollection : IList, IList<string>
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{
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internal OptionValueCollection(OptionContext c)
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{
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this.c = c;
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}
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private readonly OptionContext c;
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private readonly List<string> values = new List<string>();
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#region IEnumerable
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IEnumerator IEnumerable.GetEnumerator()
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{
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return values.GetEnumerator();
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}
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#endregion
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#region IEnumerable<T>
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public IEnumerator<string> GetEnumerator()
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{
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return values.GetEnumerator();
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}
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#endregion
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public string[] ToArray()
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{
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return values.ToArray();
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}
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public List<string> ToList()
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{
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return new List<string>(values);
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}
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public override string ToString()
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{
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return string.Join(", ", values.ToArray());
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}
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#region ICollection
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void ICollection.CopyTo(Array array, int index)
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{
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(values as ICollection).CopyTo(array, index);
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}
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bool ICollection.IsSynchronized => (values as ICollection).IsSynchronized;
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object ICollection.SyncRoot => (values as ICollection).SyncRoot;
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#endregion
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#region ICollection<T>
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public void Add(string item)
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{
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values.Add(item);
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}
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public void Clear()
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{
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values.Clear();
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}
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public bool Contains(string item)
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{
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return values.Contains(item);
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}
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public void CopyTo(string[] array, int arrayIndex)
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{
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values.CopyTo(array, arrayIndex);
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}
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public bool Remove(string item)
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{
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return values.Remove(item);
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}
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public int Count => values.Count;
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public bool IsReadOnly => false;
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#endregion
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#region IList
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int IList.Add(object value)
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{
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return (values as IList).Add(value);
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}
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bool IList.Contains(object value)
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{
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return (values as IList).Contains(value);
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}
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int IList.IndexOf(object value)
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{
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return (values as IList).IndexOf(value);
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}
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void IList.Insert(int index, object value)
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{
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(values as IList).Insert(index, value);
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}
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void IList.Remove(object value)
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{
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(values as IList).Remove(value);
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}
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void IList.RemoveAt(int index)
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{
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(values as IList).RemoveAt(index);
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}
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bool IList.IsFixedSize => false;
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object IList.this[int index]
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{
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get { return this[index]; }
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set { (values as IList)[index] = value; }
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}
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#endregion
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#region IList<T>
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public int IndexOf(string item)
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{
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return values.IndexOf(item);
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}
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public void Insert(int index, string item)
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{
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values.Insert(index, item);
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}
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public void RemoveAt(int index)
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{
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values.RemoveAt(index);
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}
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private void AssertValid(int index)
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{
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if (c.Option == null)
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throw new InvalidOperationException("OptionContext.Option is null.");
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if (index >= c.Option.MaxValueCount)
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throw new ArgumentOutOfRangeException(nameof(index));
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if (c.Option.OptionValueType == OptionValueType.Required &&
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index >= values.Count)
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throw new OptionException(string.Format(
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c.OptionSet.MessageLocalizer("Missing required value for option '{0}'."), c.OptionName),
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c.OptionName);
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}
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public string this[int index]
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{
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get
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{
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AssertValid(index);
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return index >= values.Count ? null : values[index];
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}
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set { values[index] = value; }
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}
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#endregion
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}
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public class OptionContext
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{
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public OptionContext(OptionSet set)
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{
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OptionSet = set;
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OptionValues = new OptionValueCollection(this);
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}
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public Option Option { get; set; }
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public string OptionName { get; set; }
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public int OptionIndex { get; set; }
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public OptionSet OptionSet { get; }
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public OptionValueCollection OptionValues { get; }
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}
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public enum OptionValueType
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{
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None,
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Optional,
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Required
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}
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public abstract class Option
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{
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protected Option(string prototype, string description)
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: this(prototype, description, 1, false)
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{
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}
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protected Option(string prototype, string description, int maxValueCount)
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: this(prototype, description, maxValueCount, false)
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{
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}
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[SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
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protected Option(string prototype, string description, int maxValueCount, bool hidden)
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{
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if (prototype == null)
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throw new ArgumentNullException(nameof(prototype));
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if (prototype.Length == 0)
|
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throw new ArgumentException("Cannot be the empty string.", nameof(prototype));
|
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if (maxValueCount < 0)
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throw new ArgumentOutOfRangeException(nameof(maxValueCount));
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Prototype = prototype;
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Description = description;
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MaxValueCount = maxValueCount;
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Names = this is OptionSet.Category
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// append GetHashCode() so that "duplicate" categories have distinct
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// names, e.g. adding multiple "" categories should be valid.
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// ReSharper disable once VirtualMemberCallInConstructor
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? new[] {prototype + GetHashCode()}
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: prototype.Split('|');
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|
|
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if (this is OptionSet.Category)
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return;
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|
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OptionValueType = ParsePrototype();
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Hidden = hidden;
|
|
|
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if (MaxValueCount == 0 && OptionValueType != OptionValueType.None)
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throw new ArgumentException(
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"Cannot provide maxValueCount of 0 for OptionValueType.Required or " +
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"OptionValueType.Optional.",
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nameof(maxValueCount));
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|
|
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if (OptionValueType == OptionValueType.None && maxValueCount > 1)
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throw new ArgumentException(
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$"Cannot provide maxValueCount of {maxValueCount} for OptionValueType.None.",
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nameof(maxValueCount));
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|
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if (Array.IndexOf(Names, "<>") >= 0 &&
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((Names.Length == 1 && OptionValueType != OptionValueType.None) ||
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(Names.Length > 1 && MaxValueCount > 1)))
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throw new ArgumentException(
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"The default option handler '<>' cannot require values.",
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nameof(prototype));
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}
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|
|
|
private static readonly char[] NameTerminator = {'=', ':'};
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|
|
|
public string Prototype { get; }
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|
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|
public string Description { get; }
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public OptionValueType OptionValueType { get; }
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public int MaxValueCount { get; }
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public bool Hidden { get; }
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|
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internal string[] Names { get; }
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|
|
|
internal string[] ValueSeparators { get; private set; }
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|
|
|
public string[] GetNames()
|
|
{
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return (string[]) Names.Clone();
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}
|
|
|
|
public string[] GetValueSeparators()
|
|
{
|
|
if (ValueSeparators == null)
|
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return new string[0];
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|
return (string[]) ValueSeparators.Clone();
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|
}
|
|
|
|
public void Invoke(OptionContext c)
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|
{
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OnParseComplete(c);
|
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c.OptionName = null;
|
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c.Option = null;
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c.OptionValues.Clear();
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|
}
|
|
|
|
public override string ToString()
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|
{
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return Prototype;
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|
}
|
|
|
|
protected abstract void OnParseComplete(OptionContext c);
|
|
|
|
protected static T Parse<T>(string value, OptionContext c)
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|
{
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|
var tt = typeof(T);
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|
var ti = tt;
|
|
|
|
var nullable =
|
|
ti.IsValueType &&
|
|
ti.IsGenericType &&
|
|
!ti.IsGenericTypeDefinition &&
|
|
ti.GetGenericTypeDefinition() == typeof(Nullable<>);
|
|
|
|
var targetType = nullable ? tt.GetGenericArguments()[0] : tt;
|
|
var t = default(T);
|
|
try
|
|
{
|
|
if (value != null)
|
|
{
|
|
var conv = TypeDescriptor.GetConverter(targetType);
|
|
t = (T) conv.ConvertFromString(value);
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
throw new OptionException(
|
|
string.Format(
|
|
c.OptionSet.MessageLocalizer("Could not convert string `{0}' to type {1} for option `{2}'."),
|
|
value, targetType.Name, c.OptionName),
|
|
c.OptionName, e);
|
|
}
|
|
return t;
|
|
}
|
|
|
|
private static void AddSeparators(string name, int end, ICollection<string> seps)
|
|
{
|
|
var start = -1;
|
|
for (var i = end + 1; i < name.Length; ++i)
|
|
{
|
|
switch (name[i])
|
|
{
|
|
case '{':
|
|
if (start != -1)
|
|
throw new ArgumentException($"Ill-formed name/value separator found in \"{name}\".");
|
|
start = i + 1;
|
|
break;
|
|
case '}':
|
|
if (start == -1)
|
|
throw new ArgumentException($"Ill-formed name/value separator found in \"{name}\".");
|
|
seps.Add(name.Substring(start, i - start));
|
|
start = -1;
|
|
break;
|
|
default:
|
|
if (start == -1)
|
|
seps.Add(name[i].ToString());
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (start != -1)
|
|
throw new ArgumentException($"Ill-formed name/value separator found in \"{name}\".");
|
|
}
|
|
|
|
private OptionValueType ParsePrototype()
|
|
{
|
|
var type = '\0';
|
|
var seps = new List<string>();
|
|
|
|
for (var i = 0; i < Names.Length; ++i)
|
|
{
|
|
var name = Names[i];
|
|
if (name.Length == 0)
|
|
throw new ArgumentException("Empty option names are not supported.");
|
|
|
|
var end = name.IndexOfAny(NameTerminator);
|
|
if (end == -1)
|
|
continue;
|
|
Names[i] = name.Substring(0, end);
|
|
if (type == '\0' || type == name[end])
|
|
type = name[end];
|
|
else
|
|
throw new ArgumentException($"Conflicting option types: '{type}' vs. '{name[end]}'.");
|
|
AddSeparators(name, end, seps);
|
|
}
|
|
|
|
if (type == '\0')
|
|
return OptionValueType.None;
|
|
|
|
if (MaxValueCount <= 1 && seps.Count != 0)
|
|
throw new ArgumentException(
|
|
$"Cannot provide key/value separators for Options taking {MaxValueCount} value(s).");
|
|
|
|
if (MaxValueCount > 1)
|
|
{
|
|
if (seps.Count == 0)
|
|
ValueSeparators = new[] {":", "="};
|
|
else if (seps.Count == 1 && seps[0].Length == 0)
|
|
ValueSeparators = null;
|
|
else
|
|
ValueSeparators = seps.ToArray();
|
|
}
|
|
|
|
return type == '=' ? OptionValueType.Required : OptionValueType.Optional;
|
|
}
|
|
}
|
|
|
|
public abstract class ArgumentSource
|
|
{
|
|
public abstract string Description { get; }
|
|
public abstract bool GetArguments(string value, out IEnumerable<string> replacement);
|
|
|
|
public static IEnumerable<string> GetArguments(TextReader reader)
|
|
{
|
|
return GetArguments(reader, false);
|
|
}
|
|
|
|
public static IEnumerable<string> GetArgumentsFromFile(string file)
|
|
{
|
|
return GetArguments(File.OpenText(file), true);
|
|
}
|
|
|
|
public abstract string[] GetNames();
|
|
|
|
// Cribbed from mcs/driver.cs:LoadArgs(string)
|
|
private static IEnumerable<string> GetArguments(TextReader reader, bool close)
|
|
{
|
|
try
|
|
{
|
|
var arg = new StringBuilder();
|
|
|
|
string line;
|
|
while ((line = reader.ReadLine()) != null)
|
|
{
|
|
var t = line.Length;
|
|
|
|
for (var i = 0; i < t; i++)
|
|
{
|
|
var c = line[i];
|
|
|
|
if (c == '"' || c == '\'')
|
|
{
|
|
var end = c;
|
|
|
|
for (i++; i < t; i++)
|
|
{
|
|
c = line[i];
|
|
|
|
if (c == end)
|
|
break;
|
|
arg.Append(c);
|
|
}
|
|
}
|
|
else if (c == ' ')
|
|
{
|
|
if (arg.Length > 0)
|
|
{
|
|
yield return arg.ToString();
|
|
arg.Length = 0;
|
|
}
|
|
}
|
|
else
|
|
arg.Append(c);
|
|
}
|
|
if (arg.Length > 0)
|
|
{
|
|
yield return arg.ToString();
|
|
arg.Length = 0;
|
|
}
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
if (close)
|
|
reader.Dispose();
|
|
}
|
|
}
|
|
}
|
|
|
|
public class ResponseFileSource : ArgumentSource
|
|
{
|
|
public override string Description => "Read response file for more options.";
|
|
|
|
public override bool GetArguments(string value, out IEnumerable<string> replacement)
|
|
{
|
|
if (string.IsNullOrEmpty(value) || !value.StartsWith("@"))
|
|
{
|
|
replacement = null;
|
|
return false;
|
|
}
|
|
replacement = GetArgumentsFromFile(value.Substring(1));
|
|
return true;
|
|
}
|
|
|
|
public override string[] GetNames()
|
|
{
|
|
return new[] {"@file"};
|
|
}
|
|
}
|
|
|
|
[Serializable]
|
|
public class OptionException : Exception
|
|
{
|
|
public OptionException()
|
|
{
|
|
}
|
|
|
|
public OptionException(string message, string optionName)
|
|
: base(message)
|
|
{
|
|
OptionName = optionName;
|
|
}
|
|
|
|
public OptionException(string message, string optionName, Exception innerException)
|
|
: base(message, innerException)
|
|
{
|
|
OptionName = optionName;
|
|
}
|
|
|
|
protected OptionException(SerializationInfo info, StreamingContext context)
|
|
: base(info, context)
|
|
{
|
|
OptionName = info.GetString("OptionName");
|
|
}
|
|
|
|
public string OptionName { get; }
|
|
#pragma warning disable 618 // SecurityPermissionAttribute is obsolete
|
|
[SecurityPermission(SecurityAction.LinkDemand, SerializationFormatter = true)]
|
|
#pragma warning restore 618
|
|
public override void GetObjectData(SerializationInfo info, StreamingContext context)
|
|
{
|
|
base.GetObjectData(info, context);
|
|
info.AddValue("OptionName", OptionName);
|
|
}
|
|
}
|
|
|
|
public delegate void OptionAction<in TKey, in TValue>(TKey key, TValue value);
|
|
|
|
public class OptionSet : KeyedCollection<string, Option>
|
|
{
|
|
public OptionSet()
|
|
: this(f => f)
|
|
{
|
|
}
|
|
|
|
public OptionSet(MessageLocalizerConverter localizer)
|
|
{
|
|
MessageLocalizer = localizer;
|
|
ArgumentSources = new ReadOnlyCollection<ArgumentSource>(sources);
|
|
}
|
|
|
|
private const int OptionWidth = 29;
|
|
private const int DescriptionFirstWidth = 80 - OptionWidth;
|
|
private const int DescriptionRemWidth = 80 - OptionWidth - 2;
|
|
|
|
private readonly List<ArgumentSource> sources = new List<ArgumentSource>();
|
|
|
|
private readonly Regex valueOption = new Regex(
|
|
@"^(?<flag>--|-|/)(?<name>[^:=]+)((?<sep>[:=])(?<value>.*))?$");
|
|
|
|
public MessageLocalizerConverter MessageLocalizer { get; }
|
|
|
|
public ReadOnlyCollection<ArgumentSource> ArgumentSources { get; }
|
|
|
|
public OptionSet Add(string header)
|
|
{
|
|
if (header == null)
|
|
throw new ArgumentNullException(nameof(header));
|
|
Add(new Category(header));
|
|
return this;
|
|
}
|
|
|
|
|
|
public new OptionSet Add(Option option)
|
|
{
|
|
base.Add(option);
|
|
return this;
|
|
}
|
|
|
|
public OptionSet Add(string prototype, Action<string> action)
|
|
{
|
|
return Add(prototype, null, action);
|
|
}
|
|
|
|
public OptionSet Add(string prototype, string description, Action<string> action)
|
|
{
|
|
return Add(prototype, description, action, false);
|
|
}
|
|
|
|
public OptionSet Add(string prototype, string description, Action<string> action, bool hidden)
|
|
{
|
|
if (action == null)
|
|
throw new ArgumentNullException(nameof(action));
|
|
Option p = new ActionOption(prototype, description, 1,
|
|
delegate(OptionValueCollection v) { action(v[0]); }, hidden);
|
|
base.Add(p);
|
|
return this;
|
|
}
|
|
|
|
public OptionSet Add(string prototype, OptionAction<string, string> action)
|
|
{
|
|
return Add(prototype, null, action);
|
|
}
|
|
|
|
public OptionSet Add(string prototype, string description, OptionAction<string, string> action)
|
|
{
|
|
return Add(prototype, description, action, false);
|
|
}
|
|
|
|
public OptionSet Add(string prototype, string description, OptionAction<string, string> action, bool hidden)
|
|
{
|
|
if (action == null)
|
|
throw new ArgumentNullException(nameof(action));
|
|
Option p = new ActionOption(prototype, description, 2,
|
|
delegate(OptionValueCollection v) { action(v[0], v[1]); }, hidden);
|
|
base.Add(p);
|
|
return this;
|
|
}
|
|
|
|
public OptionSet Add<T>(string prototype, Action<T> action)
|
|
{
|
|
return Add(prototype, null, action);
|
|
}
|
|
|
|
public OptionSet Add<T>(string prototype, string description, Action<T> action)
|
|
{
|
|
return Add(new ActionOption<T>(prototype, description, action));
|
|
}
|
|
|
|
public OptionSet Add<TKey, TValue>(string prototype, OptionAction<TKey, TValue> action)
|
|
{
|
|
return Add(prototype, null, action);
|
|
}
|
|
|
|
public OptionSet Add<TKey, TValue>(string prototype, string description, OptionAction<TKey, TValue> action)
|
|
{
|
|
return Add(new ActionOption<TKey, TValue>(prototype, description, action));
|
|
}
|
|
|
|
public OptionSet Add(ArgumentSource source)
|
|
{
|
|
if (source == null)
|
|
throw new ArgumentNullException(nameof(source));
|
|
sources.Add(source);
|
|
return this;
|
|
}
|
|
|
|
public List<string> Parse(IEnumerable<string> arguments)
|
|
{
|
|
if (arguments == null)
|
|
throw new ArgumentNullException(nameof(arguments));
|
|
|
|
var c = CreateOptionContext();
|
|
c.OptionIndex = -1;
|
|
var process = true;
|
|
var unprocessed = new List<string>();
|
|
var def = Contains("<>") ? this["<>"] : null;
|
|
var ae = new ArgumentEnumerator(arguments);
|
|
|
|
foreach (var argument in ae)
|
|
{
|
|
++c.OptionIndex;
|
|
if (argument == "--")
|
|
{
|
|
process = false;
|
|
continue;
|
|
}
|
|
if (!process)
|
|
{
|
|
Unprocessed(unprocessed, def, c, argument);
|
|
continue;
|
|
}
|
|
if (AddSource(ae, argument))
|
|
continue;
|
|
if (!Parse(argument, c))
|
|
Unprocessed(unprocessed, def, c, argument);
|
|
}
|
|
|
|
c.Option?.Invoke(c);
|
|
return unprocessed;
|
|
}
|
|
|
|
public void WriteOptionDescriptions(TextWriter o)
|
|
{
|
|
foreach (var p in this)
|
|
{
|
|
var written = 0;
|
|
|
|
if (p.Hidden)
|
|
continue;
|
|
|
|
var c = p as Category;
|
|
if (c != null)
|
|
{
|
|
WriteDescription(o, p.Description, "", 80, 80);
|
|
continue;
|
|
}
|
|
|
|
if (!WriteOptionPrototype(o, p, ref written))
|
|
continue;
|
|
|
|
if (written < OptionWidth)
|
|
o.Write(new string(' ', OptionWidth - written));
|
|
else
|
|
{
|
|
o.WriteLine();
|
|
o.Write(new string(' ', OptionWidth));
|
|
}
|
|
|
|
WriteDescription(o, p.Description, new string(' ', OptionWidth + 2),
|
|
DescriptionFirstWidth, DescriptionRemWidth);
|
|
}
|
|
|
|
foreach (var s in sources)
|
|
{
|
|
var names = s.GetNames();
|
|
if (names == null || names.Length == 0)
|
|
continue;
|
|
|
|
var written = 0;
|
|
|
|
Write(o, ref written, " ");
|
|
Write(o, ref written, names[0]);
|
|
for (var i = 1; i < names.Length; ++i)
|
|
{
|
|
Write(o, ref written, ", ");
|
|
Write(o, ref written, names[i]);
|
|
}
|
|
|
|
if (written < OptionWidth)
|
|
o.Write(new string(' ', OptionWidth - written));
|
|
else
|
|
{
|
|
o.WriteLine();
|
|
o.Write(new string(' ', OptionWidth));
|
|
}
|
|
|
|
WriteDescription(o, s.Description, new string(' ', OptionWidth + 2),
|
|
DescriptionFirstWidth, DescriptionRemWidth);
|
|
}
|
|
}
|
|
|
|
protected virtual OptionContext CreateOptionContext()
|
|
{
|
|
return new OptionContext(this);
|
|
}
|
|
|
|
|
|
protected override string GetKeyForItem(Option item)
|
|
{
|
|
if (item == null)
|
|
throw new ArgumentNullException(nameof(item));
|
|
if (item.Names != null && item.Names.Length > 0)
|
|
return item.Names[0];
|
|
// This should never happen, as it's invalid for Option to be
|
|
// constructed w/o any names.
|
|
throw new InvalidOperationException("Option has no names!");
|
|
}
|
|
|
|
[Obsolete("Use KeyedCollection.this[string]")]
|
|
protected Option GetOptionForName(string option)
|
|
{
|
|
if (option == null)
|
|
throw new ArgumentNullException(nameof(option));
|
|
try
|
|
{
|
|
return base[option];
|
|
}
|
|
catch (KeyNotFoundException)
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
protected bool GetOptionParts(string argument, out string flag, out string name, out string sep,
|
|
out string value)
|
|
{
|
|
if (argument == null)
|
|
throw new ArgumentNullException(nameof(argument));
|
|
|
|
flag = name = sep = value = null;
|
|
var m = valueOption.Match(argument);
|
|
if (!m.Success)
|
|
{
|
|
return false;
|
|
}
|
|
flag = m.Groups["flag"].Value;
|
|
name = m.Groups["name"].Value;
|
|
if (m.Groups["sep"].Success && m.Groups["value"].Success)
|
|
{
|
|
sep = m.Groups["sep"].Value;
|
|
value = m.Groups["value"].Value;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
protected override void InsertItem(int index, Option item)
|
|
{
|
|
base.InsertItem(index, item);
|
|
AddImpl(item);
|
|
}
|
|
|
|
protected virtual bool Parse(string argument, OptionContext c)
|
|
{
|
|
if (c.Option != null)
|
|
{
|
|
ParseValue(argument, c);
|
|
return true;
|
|
}
|
|
|
|
string f, n, s, v;
|
|
if (!GetOptionParts(argument, out f, out n, out s, out v))
|
|
return false;
|
|
|
|
if (Contains(n))
|
|
{
|
|
var p = this[n];
|
|
c.OptionName = f + n;
|
|
c.Option = p;
|
|
switch (p.OptionValueType)
|
|
{
|
|
case OptionValueType.None:
|
|
c.OptionValues.Add(n);
|
|
c.Option.Invoke(c);
|
|
break;
|
|
case OptionValueType.Optional:
|
|
case OptionValueType.Required:
|
|
ParseValue(v, c);
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// no match; is it a bool option?
|
|
return ParseBool(argument, n, c) || ParseBundledValue(f, $"{n}{s}{v}", c);
|
|
}
|
|
|
|
protected override void RemoveItem(int index)
|
|
{
|
|
var p = Items[index];
|
|
base.RemoveItem(index);
|
|
// KeyedCollection.RemoveItem() handles the 0th item
|
|
for (var i = 1; i < p.Names.Length; ++i)
|
|
{
|
|
Dictionary.Remove(p.Names[i]);
|
|
}
|
|
}
|
|
|
|
protected override void SetItem(int index, Option item)
|
|
{
|
|
base.SetItem(index, item);
|
|
AddImpl(item);
|
|
}
|
|
|
|
private void AddImpl(Option option)
|
|
{
|
|
if (option == null)
|
|
throw new ArgumentNullException(nameof(option));
|
|
var added = new List<string>(option.Names.Length);
|
|
try
|
|
{
|
|
// KeyedCollection.InsertItem/SetItem handle the 0th name.
|
|
for (var i = 1; i < option.Names.Length; ++i)
|
|
{
|
|
Dictionary.Add(option.Names[i], option);
|
|
added.Add(option.Names[i]);
|
|
}
|
|
}
|
|
catch (Exception)
|
|
{
|
|
foreach (var name in added)
|
|
Dictionary.Remove(name);
|
|
throw;
|
|
}
|
|
}
|
|
|
|
private bool AddSource(ArgumentEnumerator ae, string argument)
|
|
{
|
|
foreach (var source in sources)
|
|
{
|
|
IEnumerable<string> replacement;
|
|
if (!source.GetArguments(argument, out replacement))
|
|
continue;
|
|
ae.Add(replacement);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private static string GetArgumentName(int index, int maxIndex, string description)
|
|
{
|
|
if (description == null)
|
|
return maxIndex == 1 ? "VALUE" : "VALUE" + (index + 1);
|
|
|
|
var nameStart = maxIndex == 1 ? new[] {"{0:", "{"} : new[] {"{" + index + ":"};
|
|
|
|
foreach (var t in nameStart)
|
|
{
|
|
int start, j = 0;
|
|
do
|
|
{
|
|
start = description.IndexOf(t, j, StringComparison.Ordinal);
|
|
} while (start >= 0 && j != 0 && description[j++ - 1] == '{');
|
|
if (start == -1)
|
|
continue;
|
|
var end = description.IndexOf("}", start, StringComparison.Ordinal);
|
|
if (end == -1)
|
|
continue;
|
|
return description.Substring(start + t.Length, end - start - t.Length);
|
|
}
|
|
|
|
return maxIndex == 1 ? "VALUE" : "VALUE" + (index + 1);
|
|
}
|
|
|
|
private static string GetDescription(string description)
|
|
{
|
|
if (description == null)
|
|
return string.Empty;
|
|
var sb = new StringBuilder(description.Length);
|
|
var start = -1;
|
|
for (var i = 0; i < description.Length; ++i)
|
|
{
|
|
switch (description[i])
|
|
{
|
|
case '{':
|
|
if (i == start)
|
|
{
|
|
sb.Append('{');
|
|
start = -1;
|
|
}
|
|
else if (start < 0)
|
|
start = i + 1;
|
|
break;
|
|
case '}':
|
|
if (start < 0)
|
|
{
|
|
if (i + 1 == description.Length || description[i + 1] != '}')
|
|
throw new InvalidOperationException("Invalid option description: " + description);
|
|
++i;
|
|
sb.Append("}");
|
|
}
|
|
else
|
|
{
|
|
sb.Append(description.Substring(start, i - start));
|
|
start = -1;
|
|
}
|
|
break;
|
|
case ':':
|
|
if (start < 0)
|
|
goto default;
|
|
start = i + 1;
|
|
break;
|
|
default:
|
|
if (start < 0)
|
|
sb.Append(description[i]);
|
|
break;
|
|
}
|
|
}
|
|
return sb.ToString();
|
|
}
|
|
|
|
private static IEnumerable<string> GetLines(string description, int firstWidth, int remWidth)
|
|
{
|
|
return StringCoda.WrappedLines(description, firstWidth, remWidth);
|
|
}
|
|
|
|
private static int GetNextOptionIndex(string[] names, int i)
|
|
{
|
|
while (i < names.Length && names[i] == "<>")
|
|
{
|
|
++i;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
private static void Invoke(OptionContext c, string name, string value, Option option)
|
|
{
|
|
c.OptionName = name;
|
|
c.Option = option;
|
|
c.OptionValues.Add(value);
|
|
option.Invoke(c);
|
|
}
|
|
|
|
private bool ParseBool(string option, string n, OptionContext c)
|
|
{
|
|
string rn;
|
|
if (n.Length >= 1 && (n[n.Length - 1] == '+' || n[n.Length - 1] == '-') &&
|
|
Contains(rn = n.Substring(0, n.Length - 1)))
|
|
{
|
|
var p = this[rn];
|
|
var v = n[n.Length - 1] == '+' ? option : null;
|
|
c.OptionName = option;
|
|
c.Option = p;
|
|
c.OptionValues.Add(v);
|
|
p.Invoke(c);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private bool ParseBundledValue(string f, string n, OptionContext c)
|
|
{
|
|
if (f != "-")
|
|
return false;
|
|
for (var i = 0; i < n.Length; ++i)
|
|
{
|
|
var opt = f + n[i];
|
|
var rn = n[i].ToString();
|
|
if (!Contains(rn))
|
|
{
|
|
if (i == 0)
|
|
return false;
|
|
throw new OptionException(string.Format(MessageLocalizer(
|
|
"Cannot use unregistered option '{0}' in bundle '{1}'."), rn, f + n), null);
|
|
}
|
|
var p = this[rn];
|
|
switch (p.OptionValueType)
|
|
{
|
|
case OptionValueType.None:
|
|
Invoke(c, opt, n, p);
|
|
break;
|
|
case OptionValueType.Optional:
|
|
case OptionValueType.Required:
|
|
{
|
|
var v = n.Substring(i + 1);
|
|
c.Option = p;
|
|
c.OptionName = opt;
|
|
ParseValue(v.Length != 0 ? v : null, c);
|
|
return true;
|
|
}
|
|
default:
|
|
throw new InvalidOperationException("Unknown OptionValueType: " + p.OptionValueType);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private void ParseValue(string option, OptionContext c)
|
|
{
|
|
if (option != null)
|
|
foreach (var o in c.Option.ValueSeparators != null
|
|
? option.Split(c.Option.ValueSeparators, c.Option.MaxValueCount - c.OptionValues.Count,
|
|
StringSplitOptions.None)
|
|
: new[] {option})
|
|
{
|
|
c.OptionValues.Add(o);
|
|
}
|
|
if (c.OptionValues.Count == c.Option.MaxValueCount ||
|
|
c.Option.OptionValueType == OptionValueType.Optional)
|
|
c.Option.Invoke(c);
|
|
else if (c.OptionValues.Count > c.Option.MaxValueCount)
|
|
{
|
|
throw new OptionException(MessageLocalizer(
|
|
$"Error: Found {c.OptionValues.Count} option values when expecting {c.Option.MaxValueCount}."),
|
|
c.OptionName);
|
|
}
|
|
}
|
|
|
|
private static void Unprocessed(ICollection<string> extra, Option def, OptionContext c, string argument)
|
|
{
|
|
if (def == null)
|
|
{
|
|
extra.Add(argument);
|
|
return;
|
|
}
|
|
c.OptionValues.Add(argument);
|
|
c.Option = def;
|
|
c.Option.Invoke(c);
|
|
}
|
|
|
|
private static void Write(TextWriter o, ref int n, string s)
|
|
{
|
|
n += s.Length;
|
|
o.Write(s);
|
|
}
|
|
|
|
private void WriteDescription(TextWriter o, string value, string prefix, int firstWidth, int remWidth)
|
|
{
|
|
var indent = false;
|
|
foreach (var line in GetLines(MessageLocalizer(GetDescription(value)), firstWidth, remWidth))
|
|
{
|
|
if (indent)
|
|
o.Write(prefix);
|
|
o.WriteLine(line);
|
|
indent = true;
|
|
}
|
|
}
|
|
|
|
private bool WriteOptionPrototype(TextWriter o, Option p, ref int written)
|
|
{
|
|
var names = p.Names;
|
|
|
|
var i = GetNextOptionIndex(names, 0);
|
|
if (i == names.Length)
|
|
return false;
|
|
|
|
if (names[i].Length == 1)
|
|
{
|
|
Write(o, ref written, " -");
|
|
Write(o, ref written, names[0]);
|
|
}
|
|
else
|
|
{
|
|
Write(o, ref written, " --");
|
|
Write(o, ref written, names[0]);
|
|
}
|
|
|
|
for (i = GetNextOptionIndex(names, i + 1);
|
|
i < names.Length;
|
|
i = GetNextOptionIndex(names, i + 1))
|
|
{
|
|
Write(o, ref written, ", ");
|
|
Write(o, ref written, names[i].Length == 1 ? "-" : "--");
|
|
Write(o, ref written, names[i]);
|
|
}
|
|
|
|
if (p.OptionValueType == OptionValueType.Optional ||
|
|
p.OptionValueType == OptionValueType.Required)
|
|
{
|
|
if (p.OptionValueType == OptionValueType.Optional)
|
|
{
|
|
Write(o, ref written, MessageLocalizer("["));
|
|
}
|
|
Write(o, ref written, MessageLocalizer("=" + GetArgumentName(0, p.MaxValueCount, p.Description)));
|
|
var sep = p.ValueSeparators != null && p.ValueSeparators.Length > 0
|
|
? p.ValueSeparators[0]
|
|
: " ";
|
|
for (var c = 1; c < p.MaxValueCount; ++c)
|
|
{
|
|
Write(o, ref written, MessageLocalizer(sep + GetArgumentName(c, p.MaxValueCount, p.Description)));
|
|
}
|
|
if (p.OptionValueType == OptionValueType.Optional)
|
|
{
|
|
Write(o, ref written, MessageLocalizer("]"));
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
internal sealed class Category : Option
|
|
{
|
|
// Prototype starts with '=' because this is an invalid prototype
|
|
// (see Option.ParsePrototype(), and thus it'll prevent Category
|
|
// instances from being accidentally used as normal options.
|
|
public Category(string description)
|
|
: base("=:Category:= " + description, description)
|
|
{
|
|
}
|
|
|
|
protected override void OnParseComplete(OptionContext c)
|
|
{
|
|
throw new NotSupportedException("Category.OnParseComplete should not be invoked.");
|
|
}
|
|
}
|
|
|
|
private sealed class ActionOption : Option
|
|
{
|
|
public ActionOption(string prototype, string description, int count, Action<OptionValueCollection> action,
|
|
bool hidden)
|
|
: base(prototype, description, count, hidden)
|
|
{
|
|
if (action == null)
|
|
throw new ArgumentNullException(nameof(action));
|
|
this.action = action;
|
|
}
|
|
|
|
private readonly Action<OptionValueCollection> action;
|
|
|
|
protected override void OnParseComplete(OptionContext c)
|
|
{
|
|
action(c.OptionValues);
|
|
}
|
|
}
|
|
|
|
private sealed class ActionOption<T> : Option
|
|
{
|
|
public ActionOption(string prototype, string description, Action<T> action)
|
|
: base(prototype, description, 1)
|
|
{
|
|
if (action == null)
|
|
throw new ArgumentNullException(nameof(action));
|
|
this.action = action;
|
|
}
|
|
|
|
private readonly Action<T> action;
|
|
|
|
protected override void OnParseComplete(OptionContext c)
|
|
{
|
|
action(Parse<T>(c.OptionValues[0], c));
|
|
}
|
|
}
|
|
|
|
private sealed class ActionOption<TKey, TValue> : Option
|
|
{
|
|
public ActionOption(string prototype, string description, OptionAction<TKey, TValue> action)
|
|
: base(prototype, description, 2)
|
|
{
|
|
if (action == null)
|
|
throw new ArgumentNullException(nameof(action));
|
|
this.action = action;
|
|
}
|
|
|
|
private readonly OptionAction<TKey, TValue> action;
|
|
|
|
protected override void OnParseComplete(OptionContext c)
|
|
{
|
|
action(
|
|
Parse<TKey>(c.OptionValues[0], c),
|
|
Parse<TValue>(c.OptionValues[1], c));
|
|
}
|
|
}
|
|
|
|
private class ArgumentEnumerator : IEnumerable<string>
|
|
{
|
|
public ArgumentEnumerator(IEnumerable<string> arguments)
|
|
{
|
|
sources.Add(arguments.GetEnumerator());
|
|
}
|
|
|
|
private readonly List<IEnumerator<string>> sources = new List<IEnumerator<string>>();
|
|
|
|
public IEnumerator<string> GetEnumerator()
|
|
{
|
|
do
|
|
{
|
|
var c = sources[sources.Count - 1];
|
|
if (c.MoveNext())
|
|
yield return c.Current;
|
|
else
|
|
{
|
|
c.Dispose();
|
|
sources.RemoveAt(sources.Count - 1);
|
|
}
|
|
} while (sources.Count > 0);
|
|
}
|
|
|
|
IEnumerator IEnumerable.GetEnumerator()
|
|
{
|
|
return GetEnumerator();
|
|
}
|
|
|
|
public void Add(IEnumerable<string> arguments)
|
|
{
|
|
sources.Add(arguments.GetEnumerator());
|
|
}
|
|
}
|
|
}
|
|
} |