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<span style="color:#898887">//</span>
<span style="color:#898887">// Arguments.swift</span>
<span style="color:#898887">// SwiftFormat</span>
<span style="color:#898887">//</span>
<span style="color:#898887">// Created by Nick Lockwood on 07/08/2018.</span>
<span style="color:#898887">// Copyright © 2018 Nick Lockwood.</span>
<span style="color:#898887">//</span>
<span style="color:#898887">// Distributed under the permissive MIT license</span>
<span style="color:#898887">// Get the latest version from here:</span>
<span style="color:#898887">//</span>
<span style="color:#898887">// https://github.com/nicklockwood/SwiftFormat</span>
<span style="color:#898887">//</span>
<span style="color:#898887">// Permission is hereby granted, free of charge, to any person obtaining a copy</span>
<span style="color:#898887">// of this software and associated documentation files (the "Software"), to deal</span>
<span style="color:#898887">// in the Software without restriction, including without limitation the rights</span>
<span style="color:#898887">// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span>
<span style="color:#898887">// copies of the Software, and to permit persons to whom the Software is</span>
<span style="color:#898887">// furnished to do so, subject to the following conditions:</span>
<span style="color:#898887">//</span>
<span style="color:#898887">// The above copyright notice and this permission notice shall be included in all</span>
<span style="color:#898887">// copies or substantial portions of the Software.</span>
<span style="color:#898887">//</span>
<span style="color:#898887">// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span>
<span style="color:#898887">// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span>
<span style="color:#898887">// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span>
<span style="color:#898887">// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span>
<span style="color:#898887">// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span>
<span style="color:#898887">// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span>
<span style="color:#898887">// SOFTWARE.</span>
<span style="color:#898887">//</span>
<span style="font-weight:bold">import</span> <span style="color:#ff5500">Foundation</span>
<span style="font-weight:bold">extension</span> Options <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">static</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">maxArgumentNameLength</span> <span style="color:#ca60ca">=</span> <span style="color:#b08000">16</span>
<span style="font-weight:bold">init</span><span style="color:#ca60ca">(</span>_ args<span style="color:#ca60ca">:</span> <span style="color:#ca60ca">[</span>String<span style="color:#ca60ca">:</span> String<span style="color:#ca60ca">],</span> <span style="font-weight:bold">in</span> directory<span style="color:#ca60ca">:</span> String<span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> <span style="color:#ca60ca">{</span>
fileOptions <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> fileOptionsFor<span style="color:#ca60ca">(</span>args<span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> directory<span style="color:#ca60ca">)</span>
formatOptions <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> formatOptionsFor<span style="color:#ca60ca">(</span>args<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">lint</span> <span style="color:#ca60ca">=</span> args<span style="color:#ca60ca">.</span>keys<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span><span style="color:#bf0303">"lint"</span><span style="color:#ca60ca">)</span>
<span style="font-weight:bold">self</span><span style="color:#ca60ca">.</span>lint <span style="color:#ca60ca">=</span> lint
rules <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> rulesFor<span style="color:#ca60ca">(</span>args<span style="color:#ca60ca">,</span> lint<span style="color:#ca60ca">:</span> lint<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">mutating</span> <span style="font-weight:bold">func</span> <span style="color:#644a9b">addArguments</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">args</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>]<span style="color:#ca60ca">,</span> <span style="color:#0057ae">in</span> <span style="color:#0057ae">directory</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">oldArguments</span> <span style="color:#ca60ca">=</span> argumentsFor<span style="color:#ca60ca">(</span><span style="font-weight:bold">self</span><span style="color:#ca60ca">)</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">newArguments</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> mergeArguments<span style="color:#ca60ca">(</span>args<span style="color:#ca60ca">,</span> into<span style="color:#ca60ca">:</span> oldArguments<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">newOptions</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> Options<span style="color:#ca60ca">(</span>newArguments<span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> directory<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">fileInfo</span> <span style="color:#ca60ca">=</span> formatOptions<span style="color:#ca60ca">?.</span>fileInfo <span style="color:#ca60ca">{</span>
newOptions<span style="color:#ca60ca">.</span>formatOptions<span style="color:#ca60ca">?.</span>fileInfo <span style="color:#ca60ca">=</span> fileInfo
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">self</span> <span style="color:#ca60ca">=</span> newOptions
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse a space-delimited string into an array of command-line arguments</span>
<span style="color:#898887">// Replicates the behavior implemented by the console when parsing input</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">parseArguments</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">argumentString</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">,</span> <span style="color:#0057ae">ignoreComments</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">Bool</span> <span style="color:#ca60ca">=</span> true<span style="color:#ca60ca">)</span> -> [<span style="color:#644a9b">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">arguments</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[</span><span style="color:#bf0303">""</span><span style="color:#ca60ca">]</span> <span style="color:#898887">// Arguments always begin with script path</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">characters</span> <span style="color:#ca60ca">=</span> String<span style="color:#ca60ca">.</span>UnicodeScalarView<span style="color:#ca60ca">.</span>SubSequence<span style="color:#ca60ca">(</span>argumentString<span style="color:#ca60ca">.</span>unicodeScalars<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">string</span> <span style="color:#ca60ca">=</span> <span style="color:#bf0303">""</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">escaped</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">false</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">quoted</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">false</span>
loop<span style="color:#ca60ca">:</span> <span style="font-weight:bold">while</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">char</span> <span style="color:#ca60ca">=</span> characters<span style="color:#ca60ca">.</span>popFirst<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">switch</span> char <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">case</span> <span style="color:#bf0303">"#"</span> <span style="font-weight:bold">where</span> <span style="color:#ca60ca">!</span>ignoreComments <span style="color:#ca60ca">&amp;&amp;</span> <span style="color:#ca60ca">!</span>escaped <span style="color:#ca60ca">&amp;&amp;</span> <span style="color:#ca60ca">!</span>quoted<span style="color:#ca60ca">:</span>
<span style="font-weight:bold">break</span> loop <span style="color:#898887">// comment</span>
<span style="font-weight:bold">case</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\\</span><span style="color:#bf0303">"</span> <span style="font-weight:bold">where</span> <span style="color:#ca60ca">!</span>escaped<span style="color:#ca60ca">:</span>
escaped <span style="color:#ca60ca">=</span> <span style="font-weight:bold">true</span>
<span style="font-weight:bold">case</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\"</span><span style="color:#bf0303">"</span> <span style="font-weight:bold">where</span> <span style="color:#ca60ca">!</span>escaped <span style="color:#ca60ca">&amp;&amp;</span> <span style="color:#ca60ca">!</span>quoted<span style="color:#ca60ca">:</span>
quoted <span style="color:#ca60ca">=</span> <span style="font-weight:bold">true</span>
<span style="font-weight:bold">case</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\"</span><span style="color:#bf0303">"</span> <span style="font-weight:bold">where</span> <span style="color:#ca60ca">!</span>escaped <span style="color:#ca60ca">&amp;&amp;</span> quoted<span style="color:#ca60ca">:</span>
quoted <span style="color:#ca60ca">=</span> <span style="font-weight:bold">false</span>
<span style="font-weight:bold">fallthrough</span>
<span style="font-weight:bold">case</span> <span style="color:#bf0303">" "</span> <span style="font-weight:bold">where</span> <span style="color:#ca60ca">!</span>escaped <span style="color:#ca60ca">&amp;&amp;</span> <span style="color:#ca60ca">!</span>quoted<span style="color:#ca60ca">:</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>string<span style="color:#ca60ca">.</span>isEmpty <span style="color:#ca60ca">{</span>
arguments<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span>string<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
string<span style="color:#ca60ca">.</span>removeAll<span style="color:#ca60ca">()</span>
<span style="font-weight:bold">case</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\"</span><span style="color:#bf0303">"</span> <span style="font-weight:bold">where</span> escaped<span style="color:#ca60ca">:</span>
escaped <span style="color:#ca60ca">=</span> <span style="font-weight:bold">false</span>
string<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span><span style="color:#bf0303">"</span><span style="color:#3daee9">\"</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">)</span>
<span style="font-weight:bold">case</span> _ <span style="font-weight:bold">where</span> escaped <span style="color:#ca60ca">&amp;&amp;</span> quoted<span style="color:#ca60ca">:</span>
string<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span><span style="color:#bf0303">"</span><span style="color:#3daee9">\\</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">)</span>
<span style="font-weight:bold">fallthrough</span>
<span style="font-weight:bold">default</span><span style="color:#ca60ca">:</span>
escaped <span style="color:#ca60ca">=</span> <span style="font-weight:bold">false</span>
string<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span>Character<span style="color:#ca60ca">(</span>char<span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>string<span style="color:#ca60ca">.</span>isEmpty <span style="color:#ca60ca">{</span>
arguments<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span>string<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> arguments
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse a flat array of command-line arguments into a dictionary of flags and values</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">preprocessArguments</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">args</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span>]<span style="color:#ca60ca">,</span> <span style="color:#0057ae">_</span> <span style="color:#0057ae">names</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span>]<span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> [<span style="color:#644a9b">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">anonymousArgs</span> <span style="color:#ca60ca">=</span> <span style="color:#b08000">0</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">namedArgs</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">[</span>String<span style="color:#ca60ca">:</span> String<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[:]</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">name</span> <span style="color:#ca60ca">=</span> <span style="color:#bf0303">""</span>
<span style="font-weight:bold">for</span> arg <span style="font-weight:bold">in</span> args <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> arg<span style="color:#ca60ca">.</span>hasPrefix<span style="color:#ca60ca">(</span><span style="color:#bf0303">"--"</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="color:#898887">// Long argument names</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">key</span> <span style="color:#ca60ca">=</span> String<span style="color:#ca60ca">(</span>arg<span style="color:#ca60ca">.</span>unicodeScalars<span style="color:#ca60ca">.</span>dropFirst<span style="color:#ca60ca">(</span><span style="color:#b08000">2</span><span style="color:#ca60ca">))</span>
<span style="font-weight:bold">guard</span> names<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span>key<span style="color:#ca60ca">)</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">match</span> <span style="color:#ca60ca">=</span> bestMatches<span style="color:#ca60ca">(</span><span style="font-weight:bold">for</span><span style="color:#ca60ca">:</span> key<span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> names<span style="color:#ca60ca">).</span>first <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Unknown option --</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">key)"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Unknown option --</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">key). Did you mean --</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">match)?"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
name <span style="color:#ca60ca">=</span> key
namedArgs<span style="color:#ca60ca">[</span>name<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> namedArgs<span style="color:#ca60ca">[</span>name<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">??</span> <span style="color:#bf0303">""</span>
<span style="font-weight:bold">continue</span>
<span style="color:#ca60ca">}</span> <span style="font-weight:bold">else</span> <span style="font-weight:bold">if</span> arg<span style="color:#ca60ca">.</span>hasPrefix<span style="color:#ca60ca">(</span><span style="color:#bf0303">"-"</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="color:#898887">// Short argument names</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">flag</span> <span style="color:#ca60ca">=</span> String<span style="color:#ca60ca">(</span>arg<span style="color:#ca60ca">.</span>unicodeScalars<span style="color:#ca60ca">.</span>dropFirst<span style="color:#ca60ca">())</span>
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">match</span> <span style="color:#ca60ca">=</span> names<span style="color:#ca60ca">.</span>first<span style="color:#ca60ca">(</span><span style="font-weight:bold">where</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">{</span> $<span style="color:#b08000">0.</span>hasPrefix<span style="color:#ca60ca">(</span>flag<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">})</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Unknown flag -</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">flag)"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
name <span style="color:#ca60ca">=</span> match
namedArgs<span style="color:#ca60ca">[</span>name<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> namedArgs<span style="color:#ca60ca">[</span>name<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">??</span> <span style="color:#bf0303">""</span>
<span style="font-weight:bold">continue</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> name <span style="color:#ca60ca">==</span> <span style="color:#bf0303">""</span> <span style="color:#ca60ca">{</span>
<span style="color:#898887">// Argument is anonymous</span>
name <span style="color:#ca60ca">=</span> String<span style="color:#ca60ca">(</span>anonymousArgs<span style="color:#ca60ca">)</span>
anonymousArgs <span style="color:#ca60ca">+=</span> <span style="color:#b08000">1</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">arg</span> <span style="color:#ca60ca">=</span> arg
<span style="font-weight:bold">let</span> <span style="color:#0057ae">hasTrailingComma</span> <span style="color:#ca60ca">=</span> arg<span style="color:#ca60ca">.</span>hasSuffix<span style="color:#ca60ca">(</span><span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">&amp;&amp;</span> arg <span style="color:#ca60ca">!=</span> <span style="color:#bf0303">","</span>
<span style="font-weight:bold">if</span> hasTrailingComma <span style="color:#ca60ca">{</span>
arg <span style="color:#ca60ca">=</span> String<span style="color:#ca60ca">(</span>arg<span style="color:#ca60ca">.</span>dropLast<span style="color:#ca60ca">())</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">existing</span> <span style="color:#ca60ca">=</span> namedArgs<span style="color:#ca60ca">[</span>name<span style="color:#ca60ca">],</span> <span style="color:#ca60ca">!</span>existing<span style="color:#ca60ca">.</span>isEmpty<span style="color:#ca60ca">,</span>
<span style="color:#898887">// </span><span style="color:#ca9219;background-color:#451e1a;font-weight:bold">TODO</span><span style="color:#898887">: find a more general way to represent merge-able options</span>
<span style="color:#ca60ca">[</span><span style="color:#bf0303">"exclude"</span><span style="color:#ca60ca">,</span> <span style="color:#bf0303">"unexclude"</span><span style="color:#ca60ca">,</span> <span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">,</span> <span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">,</span> <span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">,</span> <span style="color:#bf0303">"rules"</span><span style="color:#ca60ca">].</span>contains<span style="color:#ca60ca">(</span>name<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">||</span>
Descriptors<span style="color:#ca60ca">.</span>all<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span><span style="font-weight:bold">where</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">{</span>
$<span style="color:#b08000">0.</span>argumentName <span style="color:#ca60ca">==</span> name <span style="color:#ca60ca">&amp;&amp;</span> $<span style="color:#b08000">0.</span>isSetType
<span style="color:#ca60ca">})</span>
<span style="color:#ca60ca">{</span>
namedArgs<span style="color:#ca60ca">[</span>name<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> existing <span style="color:#ca60ca">+</span> <span style="color:#bf0303">","</span> <span style="color:#ca60ca">+</span> arg
<span style="color:#ca60ca">}</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
namedArgs<span style="color:#ca60ca">[</span>name<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> arg
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>hasTrailingComma <span style="color:#ca60ca">{</span>
name <span style="color:#ca60ca">=</span> <span style="color:#bf0303">""</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> namedArgs
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Find best match for a given string in a list of options</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">bestMatches</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">for</span> <span style="color:#0057ae">query</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">,</span> <span style="color:#0057ae">in</span> <span style="color:#0057ae">options</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span>]<span style="color:#ca60ca">)</span> -> [<span style="color:#644a9b">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">lowercaseQuery</span> <span style="color:#ca60ca">=</span> query<span style="color:#ca60ca">.</span>lowercased<span style="color:#ca60ca">()</span>
<span style="color:#898887">// Sort matches by Levenshtein edit distance</span>
<span style="font-weight:bold">return</span> options
<span style="color:#ca60ca">.</span>compactMap <span style="color:#ca60ca">{</span> option <span style="color:#ca60ca">-></span> <span style="color:#ca60ca">(</span>String<span style="color:#ca60ca">,</span> distance<span style="color:#ca60ca">:</span> Int<span style="color:#ca60ca">,</span> commonPrefix<span style="color:#ca60ca">:</span> Int<span style="color:#ca60ca">)?</span> <span style="font-weight:bold">in</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">lowercaseOption</span> <span style="color:#ca60ca">=</span> option<span style="color:#ca60ca">.</span>lowercased<span style="color:#ca60ca">()</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">distance</span> <span style="color:#ca60ca">=</span> editDistance<span style="color:#ca60ca">(</span>lowercaseOption<span style="color:#ca60ca">,</span> lowercaseQuery<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">commonPrefix</span> <span style="color:#ca60ca">=</span> lowercaseOption<span style="color:#ca60ca">.</span>commonPrefix<span style="color:#ca60ca">(</span>with<span style="color:#ca60ca">:</span> lowercaseQuery<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">if</span> commonPrefix<span style="color:#ca60ca">.</span>isEmpty<span style="color:#ca60ca">,</span> distance <span style="color:#ca60ca">></span> lowercaseQuery<span style="color:#ca60ca">.</span>count <span style="color:#ca60ca">/</span> <span style="color:#b08000">2</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> <span style="font-weight:bold">nil</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> <span style="color:#ca60ca">(</span>option<span style="color:#ca60ca">,</span> distance<span style="color:#ca60ca">,</span> commonPrefix<span style="color:#ca60ca">.</span>count<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">.</span>sorted <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> $<span style="color:#b08000">0.</span>distance <span style="color:#ca60ca">==</span> $<span style="color:#b08000">1.</span>distance <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> $<span style="color:#b08000">0.</span>commonPrefix <span style="color:#ca60ca">></span> $<span style="color:#b08000">1.</span>commonPrefix
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> $<span style="color:#b08000">0.</span>distance <span style="color:#ca60ca">&lt;</span> $<span style="color:#b08000">1.</span>distance
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">.</span>map <span style="color:#ca60ca">{</span> $<span style="color:#b08000">0.0</span> <span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">/// The Damerau-Levenshtein edit-distance between two strings</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">editDistance</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">lhs</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">,</span> <span style="color:#0057ae">_</span> <span style="color:#0057ae">rhs</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">)</span> -> <span style="color:#644a9b">Int</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">lhs</span> <span style="color:#ca60ca">=</span> Array<span style="color:#ca60ca">(</span>lhs<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">rhs</span> <span style="color:#ca60ca">=</span> Array<span style="color:#ca60ca">(</span>rhs<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">dist</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[[</span>Int<span style="color:#ca60ca">]]()</span>
<span style="font-weight:bold">for</span> i <span style="font-weight:bold">in</span> <span style="color:#b08000">0</span> <span style="color:#ca60ca">...</span> lhs<span style="color:#ca60ca">.</span>count <span style="color:#ca60ca">{</span>
dist<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">([</span>i<span style="color:#ca60ca">])</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">for</span> j <span style="font-weight:bold">in</span> <span style="color:#b08000">1</span> <span style="color:#ca60ca">...</span> rhs<span style="color:#ca60ca">.</span>count <span style="color:#ca60ca">{</span>
dist<span style="color:#ca60ca">[</span><span style="color:#b08000">0</span><span style="color:#ca60ca">].</span>append<span style="color:#ca60ca">(</span>j<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">for</span> i <span style="font-weight:bold">in</span> <span style="color:#b08000">1</span> <span style="color:#ca60ca">...</span> lhs<span style="color:#ca60ca">.</span>count <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">for</span> j <span style="font-weight:bold">in</span> <span style="color:#b08000">1</span> <span style="color:#ca60ca">...</span> rhs<span style="color:#ca60ca">.</span>count <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> lhs<span style="color:#ca60ca">[</span>i <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">==</span> rhs<span style="color:#ca60ca">[</span>j <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">{</span>
dist<span style="color:#ca60ca">[</span>i<span style="color:#ca60ca">].</span>append<span style="color:#ca60ca">(</span>dist<span style="color:#ca60ca">[</span>i <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">][</span>j <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">])</span>
<span style="color:#ca60ca">}</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
dist<span style="color:#ca60ca">[</span>i<span style="color:#ca60ca">].</span>append<span style="color:#ca60ca">(</span>min<span style="color:#ca60ca">(</span>dist<span style="color:#ca60ca">[</span>i <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">][</span>j<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">+</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">,</span>
dist<span style="color:#ca60ca">[</span>i<span style="color:#ca60ca">][</span>j <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">+</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">,</span>
dist<span style="color:#ca60ca">[</span>i <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">][</span>j <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">+</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> i <span style="color:#ca60ca">></span> <span style="color:#b08000">1</span><span style="color:#ca60ca">,</span> j <span style="color:#ca60ca">></span> <span style="color:#b08000">1</span><span style="color:#ca60ca">,</span> lhs<span style="color:#ca60ca">[</span>i <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">==</span> rhs<span style="color:#ca60ca">[</span>j <span style="color:#ca60ca">-</span> <span style="color:#b08000">2</span><span style="color:#ca60ca">],</span> lhs<span style="color:#ca60ca">[</span>i <span style="color:#ca60ca">-</span> <span style="color:#b08000">2</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">==</span> rhs<span style="color:#ca60ca">[</span>j <span style="color:#ca60ca">-</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">{</span>
dist<span style="color:#ca60ca">[</span>i<span style="color:#ca60ca">][</span>j<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> min<span style="color:#ca60ca">(</span>dist<span style="color:#ca60ca">[</span>i<span style="color:#ca60ca">][</span>j<span style="color:#ca60ca">],</span> dist<span style="color:#ca60ca">[</span>i <span style="color:#ca60ca">-</span> <span style="color:#b08000">2</span><span style="color:#ca60ca">][</span>j <span style="color:#ca60ca">-</span> <span style="color:#b08000">2</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">+</span> <span style="color:#b08000">1</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> dist<span style="color:#ca60ca">[</span>lhs<span style="color:#ca60ca">.</span>count<span style="color:#ca60ca">][</span>rhs<span style="color:#ca60ca">.</span>count<span style="color:#ca60ca">]</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse a comma-delimited list of items</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">parseCommaDelimitedList</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">string</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">)</span> -> [<span style="color:#644a9b">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> string<span style="color:#ca60ca">.</span>components<span style="color:#ca60ca">(</span>separatedBy<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">).</span>compactMap <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">item</span> <span style="color:#ca60ca">=</span> $<span style="color:#b08000">0.</span>trimmingCharacters<span style="color:#ca60ca">(</span><span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">.</span>whitespacesAndNewlines<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">return</span> item<span style="color:#ca60ca">.</span>isEmpty <span style="color:#ca60ca">?</span> <span style="font-weight:bold">nil</span> <span style="color:#ca60ca">:</span> item
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse a comma-delimited string into an array of rules</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">allRules</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>FormatRules<span style="color:#ca60ca">.</span>byName<span style="color:#ca60ca">.</span>keys<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">parseRules</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">rules</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> [<span style="color:#644a9b">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> <span style="font-weight:bold">try</span> parseCommaDelimitedList<span style="color:#ca60ca">(</span>rules<span style="color:#ca60ca">).</span>map <span style="color:#ca60ca">{</span> proposedName <span style="font-weight:bold">in</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">name</span> <span style="color:#ca60ca">=</span> allRules<span style="color:#ca60ca">.</span>first<span style="color:#ca60ca">(</span><span style="font-weight:bold">where</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">{</span>
$<span style="color:#b08000">0.</span>lowercased<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">==</span> proposedName<span style="color:#ca60ca">.</span>lowercased<span style="color:#ca60ca">()</span>
<span style="color:#ca60ca">})</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> name
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> Descriptors<span style="color:#ca60ca">.</span>all<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span><span style="font-weight:bold">where</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">{</span>
$<span style="color:#b08000">0.</span>argumentName <span style="color:#ca60ca">==</span> proposedName
<span style="color:#ca60ca">})</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">for</span> rule <span style="font-weight:bold">in</span> FormatRules<span style="color:#ca60ca">.</span>all <span style="font-weight:bold">where</span> rule<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span>proposedName<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span>
<span style="color:#bf0303">"'</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">proposedName)' is not a formatting rule. Did you mean '</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">rule.name)'?"</span>
<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"'</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">proposedName)' is not a formatting rule"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">match</span> <span style="color:#ca60ca">=</span> bestMatches<span style="color:#ca60ca">(</span><span style="font-weight:bold">for</span><span style="color:#ca60ca">:</span> proposedName<span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> Array<span style="color:#ca60ca">(</span>allRules<span style="color:#ca60ca">)).</span>first <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Unknown rule '</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">proposedName)'"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Unknown rule '</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">proposedName)'. Did you mean '</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">match)'?"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse single file path, disallowing globs or commas</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">parsePath</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">path</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">,</span> <span style="color:#0057ae">for</span> <span style="color:#0057ae">argument</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">,</span> <span style="color:#0057ae">in</span> <span style="color:#0057ae">directory</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> <span style="color:#644a9b">URL</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">expandedPath</span> <span style="color:#ca60ca">=</span> expandPath<span style="color:#ca60ca">(</span>path<span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> directory<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>FileManager<span style="color:#ca60ca">.</span><span style="font-weight:bold">default</span><span style="color:#ca60ca">.</span>fileExists<span style="color:#ca60ca">(</span>atPath<span style="color:#ca60ca">:</span> expandedPath<span style="color:#ca60ca">.</span>path<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> path<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span><span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">argument) argument does not support multiple paths"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> pathContainsGlobSyntax<span style="color:#ca60ca">(</span>path<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">argument) path cannot contain wildcards"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> expandedPath
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse one or more comma-delimited file paths, expanding globs as required</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">parsePaths</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">paths</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">,</span> <span style="color:#0057ae">in</span> <span style="color:#0057ae">directory</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> [<span style="color:#644a9b">URL</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> <span style="font-weight:bold">try</span> matchGlobs<span style="color:#ca60ca">(</span>expandGlobs<span style="color:#ca60ca">(</span>paths<span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> directory<span style="color:#ca60ca">),</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> directory<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Merge two dictionaries of arguments</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">mergeArguments</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">args</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>]<span style="color:#ca60ca">,</span> <span style="color:#0057ae">into</span> <span style="color:#0057ae">config</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>]<span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> [<span style="color:#644a9b">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">input</span> <span style="color:#ca60ca">=</span> config
<span style="font-weight:bold">var</span> <span style="color:#0057ae">output</span> <span style="color:#ca60ca">=</span> args
<span style="color:#898887">// Merge excluded urls</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">exclude</span> <span style="color:#ca60ca">=</span> output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"exclude"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseCommaDelimitedList<span style="color:#ca60ca">),</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">excluded</span> <span style="color:#ca60ca">=</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"exclude"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">({</span> Set<span style="color:#ca60ca">(</span>parseCommaDelimitedList<span style="color:#ca60ca">(</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">))</span> <span style="color:#ca60ca">})</span>
<span style="color:#ca60ca">{</span>
excluded<span style="color:#ca60ca">.</span>formUnion<span style="color:#ca60ca">(</span>exclude<span style="color:#ca60ca">)</span>
output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"exclude"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Array<span style="color:#ca60ca">(</span>excluded<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Merge unexcluded urls</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">unexclude</span> <span style="color:#ca60ca">=</span> output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"unexclude"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseCommaDelimitedList<span style="color:#ca60ca">),</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">unexcluded</span> <span style="color:#ca60ca">=</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"unexclude"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">({</span> Set<span style="color:#ca60ca">(</span>parseCommaDelimitedList<span style="color:#ca60ca">(</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">))</span> <span style="color:#ca60ca">})</span>
<span style="color:#ca60ca">{</span>
unexcluded<span style="color:#ca60ca">.</span>formUnion<span style="color:#ca60ca">(</span>unexclude<span style="color:#ca60ca">)</span>
output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"unexclude"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Array<span style="color:#ca60ca">(</span>unexcluded<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Merge rules</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">rules</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"rules"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> rules<span style="color:#ca60ca">.</span>isEmpty <span style="color:#ca60ca">{</span>
output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"rules"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">nil</span>
<span style="color:#ca60ca">}</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"rules"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">nil</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">nil</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">nil</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">nil</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">_disable</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">rules</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"rules"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"rules"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>rules<span style="color:#ca60ca">).</span>subtracting<span style="color:#ca60ca">(</span>_disable<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">enable</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>enable<span style="color:#ca60ca">).</span>subtracting<span style="color:#ca60ca">(</span>_disable<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">lintonly</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>lintonly<span style="color:#ca60ca">).</span>subtracting<span style="color:#ca60ca">(</span>_disable<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">disable</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>disable<span style="color:#ca60ca">).</span>union<span style="color:#ca60ca">(</span>_disable<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">nil</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">_enable</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">enable</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>enable<span style="color:#ca60ca">).</span>union<span style="color:#ca60ca">(</span>_enable<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">nil</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">lintonly</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>lintonly<span style="color:#ca60ca">).</span>subtracting<span style="color:#ca60ca">(</span>_enable<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">disable</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>disable<span style="color:#ca60ca">).</span>subtracting<span style="color:#ca60ca">(</span>_enable<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">_lintonly</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">lintonly</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
input<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>lintonly<span style="color:#ca60ca">).</span>union<span style="color:#ca60ca">(</span>_lintonly<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
output<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">nil</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Merge other arguments</span>
<span style="font-weight:bold">for</span> <span style="color:#ca60ca">(</span>key<span style="color:#ca60ca">,</span> inValue<span style="color:#ca60ca">)</span> <span style="font-weight:bold">in</span> input <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">outValue</span> <span style="color:#ca60ca">=</span> output<span style="color:#ca60ca">[</span>key<span style="color:#ca60ca">]</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
output<span style="color:#ca60ca">[</span>key<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> inValue
<span style="font-weight:bold">continue</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> Descriptors<span style="color:#ca60ca">.</span>all<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span><span style="font-weight:bold">where</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">{</span> $<span style="color:#b08000">0.</span>argumentName <span style="color:#ca60ca">==</span> key <span style="color:#ca60ca">&amp;&amp;</span> $<span style="color:#b08000">0.</span>isSetType <span style="color:#ca60ca">})</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">inOptions</span> <span style="color:#ca60ca">=</span> parseCommaDelimitedList<span style="color:#ca60ca">(</span>inValue<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">outOptions</span> <span style="color:#ca60ca">=</span> parseCommaDelimitedList<span style="color:#ca60ca">(</span>outValue<span style="color:#ca60ca">)</span>
output<span style="color:#ca60ca">[</span>key<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>inOptions<span style="color:#ca60ca">).</span>union<span style="color:#ca60ca">(</span>outOptions<span style="color:#ca60ca">).</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> output
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse a configuration file into a dictionary of arguments</span>
<span style="font-weight:bold">public</span> <span style="font-weight:bold">func</span> <span style="color:#644a9b">parseConfigFile</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">data</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">Data</span><span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> [<span style="color:#644a9b">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">input</span> <span style="color:#ca60ca">=</span> String<span style="color:#ca60ca">(</span>data<span style="color:#ca60ca">:</span> data<span style="color:#ca60ca">,</span> encoding<span style="color:#ca60ca">:</span> <span style="color:#ca60ca">.</span>utf8<span style="color:#ca60ca">)</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>reading<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Unable to read data for configuration file"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">lines</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> cumulate<span style="color:#ca60ca">(</span>successiveLines<span style="color:#ca60ca">:</span> input<span style="color:#ca60ca">.</span>components<span style="color:#ca60ca">(</span>separatedBy<span style="color:#ca60ca">:</span> <span style="color:#ca60ca">.</span>newlines<span style="color:#ca60ca">))</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">arguments</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> lines<span style="color:#ca60ca">.</span>flatMap <span style="color:#ca60ca">{</span> line <span style="color:#ca60ca">-></span> <span style="color:#ca60ca">[</span>String<span style="color:#ca60ca">]</span> <span style="font-weight:bold">in</span>
<span style="color:#898887">// </span><span style="color:#ca9219;background-color:#451e1a;font-weight:bold">TODO</span><span style="color:#898887">: parseArguments isn't a perfect fit here - should we use a different approach?</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">line</span> <span style="color:#ca60ca">=</span> line<span style="color:#ca60ca">.</span>replacingOccurrences<span style="color:#ca60ca">(</span>of<span style="color:#ca60ca">:</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\\</span><span style="color:#bf0303">n"</span><span style="color:#ca60ca">,</span> with<span style="color:#ca60ca">:</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\n</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">)</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">parts</span> <span style="color:#ca60ca">=</span> parseArguments<span style="color:#ca60ca">(</span>line<span style="color:#ca60ca">,</span> ignoreComments<span style="color:#ca60ca">:</span> <span style="font-weight:bold">false</span><span style="color:#ca60ca">).</span>dropFirst<span style="color:#ca60ca">().</span>map <span style="color:#ca60ca">{</span>
$<span style="color:#b08000">0.</span>replacingOccurrences<span style="color:#ca60ca">(</span>of<span style="color:#ca60ca">:</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\n</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">,</span> with<span style="color:#ca60ca">:</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\\</span><span style="color:#bf0303">n"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">key</span> <span style="color:#ca60ca">=</span> parts<span style="color:#ca60ca">.</span>first <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> <span style="color:#ca60ca">[]</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>key<span style="color:#ca60ca">.</span>hasPrefix<span style="color:#ca60ca">(</span><span style="color:#bf0303">"-"</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Unknown option '</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">key)' in configuration file"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> <span style="color:#ca60ca">[</span>key<span style="color:#ca60ca">,</span> parts<span style="color:#ca60ca">.</span>dropFirst<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">" "</span><span style="color:#ca60ca">)]</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">do</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> <span style="font-weight:bold">try</span> preprocessArguments<span style="color:#ca60ca">(</span>arguments<span style="color:#ca60ca">,</span> optionsArguments<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span> <span style="font-weight:bold">catch</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">FormatError</span><span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span>message<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">message) in configuration file"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">private</span> <span style="font-weight:bold">func</span> <span style="color:#644a9b">cumulate</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">successiveLines</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span>]<span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> [<span style="color:#644a9b">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">cumulatedLines</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[</span>String<span style="color:#ca60ca">]()</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">iterator</span> <span style="color:#ca60ca">=</span> successiveLines<span style="color:#ca60ca">.</span>makeIterator<span style="color:#ca60ca">()</span>
<span style="font-weight:bold">while</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">currentLine</span> <span style="color:#ca60ca">=</span> iterator<span style="color:#ca60ca">.</span>next<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">cumulatedLine</span> <span style="color:#ca60ca">=</span> effectiveContent<span style="color:#ca60ca">(</span>of<span style="color:#ca60ca">:</span> currentLine<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">while</span> cumulatedLine<span style="color:#ca60ca">.</span>hasSuffix<span style="color:#ca60ca">(</span><span style="color:#bf0303">"</span><span style="color:#3daee9">\\</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">nextLine</span> <span style="color:#ca60ca">=</span> iterator<span style="color:#ca60ca">.</span>next<span style="color:#ca60ca">()</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>reading<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Configuration file ends with an illegal line continuation character '</span><span style="color:#3daee9">\'</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>nextLine<span style="color:#ca60ca">.</span>trimmingCharacters<span style="color:#ca60ca">(</span><span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">.</span>whitespaces<span style="color:#ca60ca">).</span>starts<span style="color:#ca60ca">(</span>with<span style="color:#ca60ca">:</span> <span style="color:#bf0303">"#"</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
cumulatedLine <span style="color:#ca60ca">=</span> cumulatedLine<span style="color:#ca60ca">.</span>dropLast<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">+</span> effectiveContent<span style="color:#ca60ca">(</span>of<span style="color:#ca60ca">:</span> nextLine<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
cumulatedLines<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span>String<span style="color:#ca60ca">(</span>cumulatedLine<span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> cumulatedLines
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">private</span> <span style="font-weight:bold">func</span> <span style="color:#644a9b">effectiveContent</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">of</span> <span style="color:#0057ae">line</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">)</span> -> <span style="color:#644a9b">String</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> line
<span style="color:#ca60ca">.</span>prefix <span style="color:#ca60ca">{</span> $<span style="color:#b08000">0</span> <span style="color:#ca60ca">!=</span> <span style="color:#bf0303">"#"</span> <span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">.</span>trimmingCharacters<span style="color:#ca60ca">(</span><span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">.</span>whitespaces<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Serialize a set of options into either an arguments string or a file</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">serialize</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">options</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">Options</span><span style="color:#ca60ca">,</span>
<span style="color:#0057ae">swiftVersion</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">Version</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">.</span>undefined<span style="color:#ca60ca">,</span>
<span style="color:#0057ae">excludingDefaults</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">Bool</span> <span style="color:#ca60ca">=</span> false<span style="color:#ca60ca">,</span>
<span style="color:#0057ae">separator</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span> <span style="color:#ca60ca">=</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\n</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">)</span> -> <span style="color:#644a9b">String</span>
<span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">arguments</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[[</span>String<span style="color:#ca60ca">:</span> String<span style="color:#ca60ca">]]()</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">fileOptions</span> <span style="color:#ca60ca">=</span> options<span style="color:#ca60ca">.</span>fileOptions <span style="color:#ca60ca">{</span>
arguments<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span>argumentsFor<span style="color:#ca60ca">(</span>
Options<span style="color:#ca60ca">(</span>fileOptions<span style="color:#ca60ca">:</span> fileOptions<span style="color:#ca60ca">),</span>
excludingDefaults<span style="color:#ca60ca">:</span> excludingDefaults
<span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">formatOptions</span> <span style="color:#ca60ca">=</span> options<span style="color:#ca60ca">.</span>formatOptions <span style="color:#ca60ca">{</span>
arguments<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span>argumentsFor<span style="color:#ca60ca">(</span>
Options<span style="color:#ca60ca">(</span>formatOptions<span style="color:#ca60ca">:</span> formatOptions<span style="color:#ca60ca">),</span>
excludingDefaults<span style="color:#ca60ca">:</span> excludingDefaults
<span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span> <span style="font-weight:bold">else</span> <span style="font-weight:bold">if</span> swiftVersion <span style="color:#ca60ca">!=</span> <span style="color:#ca60ca">.</span>undefined <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">descriptor</span> <span style="color:#ca60ca">=</span> Descriptors<span style="color:#ca60ca">.</span>swiftVersion
arguments<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">([</span>descriptor<span style="color:#ca60ca">.</span>argumentName<span style="color:#ca60ca">:</span> swiftVersion<span style="color:#ca60ca">.</span>rawValue<span style="color:#ca60ca">])</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">rules</span> <span style="color:#ca60ca">=</span> options<span style="color:#ca60ca">.</span>rules <span style="color:#ca60ca">{</span>
arguments<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span>argumentsFor<span style="color:#ca60ca">(</span>
Options<span style="color:#ca60ca">(</span>rules<span style="color:#ca60ca">:</span> rules<span style="color:#ca60ca">),</span>
excludingDefaults<span style="color:#ca60ca">:</span> excludingDefaults
<span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> arguments
<span style="color:#ca60ca">.</span>map <span style="color:#ca60ca">{</span> serialize<span style="color:#ca60ca">(</span>arguments<span style="color:#ca60ca">:</span> $<span style="color:#b08000">0</span><span style="color:#ca60ca">,</span> separator<span style="color:#ca60ca">:</span> separator<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">.</span>filter <span style="color:#ca60ca">{</span> <span style="color:#ca60ca">!</span>$<span style="color:#b08000">0.</span>isEmpty <span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">.</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> separator<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Serialize arguments</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">serialize</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">arguments</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>]<span style="color:#ca60ca">,</span>
<span style="color:#0057ae">separator</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span> <span style="color:#ca60ca">=</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\n</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">)</span> -> <span style="color:#644a9b">String</span>
<span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> arguments<span style="color:#ca60ca">.</span>map <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">value</span> <span style="color:#ca60ca">=</span> $<span style="color:#b08000">1</span>
<span style="font-weight:bold">if</span> value<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span><span style="color:#bf0303">" "</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
value <span style="color:#ca60ca">=</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\"</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">value.replacingOccurrences(of: "</span>\<span style="color:#bf0303">""</span><span style="color:#ca60ca">,</span> with<span style="color:#ca60ca">:</span> <span style="color:#bf0303">"</span><span style="color:#3daee9">\\\"</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">))</span>\<span style="color:#bf0303">""</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> <span style="color:#bf0303">"--</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#ff5500">$</span><span style="color:#bf0303">0) </span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">value)"</span>
<span style="color:#ca60ca">}.</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> separator<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Get command line arguments from options</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">argumentsFor</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">options</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">Options</span><span style="color:#ca60ca">,</span> <span style="color:#0057ae">excludingDefaults</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">Bool</span> <span style="color:#ca60ca">=</span> false<span style="color:#ca60ca">)</span> -> [<span style="color:#644a9b">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">args</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[</span>String<span style="color:#ca60ca">:</span> String<span style="color:#ca60ca">]()</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">fileOptions</span> <span style="color:#ca60ca">=</span> options<span style="color:#ca60ca">.</span>fileOptions <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">arguments</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>fileArguments<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">do</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>excludingDefaults <span style="color:#ca60ca">||</span> fileOptions<span style="color:#ca60ca">.</span>followSymlinks <span style="color:#ca60ca">!=</span> FileOptions<span style="color:#ca60ca">.</span><span style="font-weight:bold">default</span><span style="color:#ca60ca">.</span>followSymlinks <span style="color:#ca60ca">{</span>
args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"symlinks"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> fileOptions<span style="color:#ca60ca">.</span>followSymlinks <span style="color:#ca60ca">?</span> <span style="color:#bf0303">"follow"</span> <span style="color:#ca60ca">:</span> <span style="color:#bf0303">"ignore"</span>
<span style="color:#ca60ca">}</span>
arguments<span style="color:#ca60ca">.</span>remove<span style="color:#ca60ca">(</span><span style="color:#bf0303">"symlinks"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">do</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>fileOptions<span style="color:#ca60ca">.</span>excludedGlobs<span style="color:#ca60ca">.</span>isEmpty <span style="color:#ca60ca">{</span>
<span style="color:#898887">// </span><span style="color:#ca9219;background-color:#451e1a;font-weight:bold">TODO</span><span style="color:#898887">: find a better alternative to stringifying url</span>
args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"exclude"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> fileOptions<span style="color:#ca60ca">.</span>excludedGlobs<span style="color:#ca60ca">.</span>map <span style="color:#ca60ca">{</span> $<span style="color:#b08000">0.</span>description <span style="color:#ca60ca">}.</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
arguments<span style="color:#ca60ca">.</span>remove<span style="color:#ca60ca">(</span><span style="color:#bf0303">"exclude"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">do</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>fileOptions<span style="color:#ca60ca">.</span>unexcludedGlobs<span style="color:#ca60ca">.</span>isEmpty <span style="color:#ca60ca">{</span>
<span style="color:#898887">// </span><span style="color:#ca9219;background-color:#451e1a;font-weight:bold">TODO</span><span style="color:#898887">: find a better alternative to stringifying url</span>
args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"unexclude"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> fileOptions<span style="color:#ca60ca">.</span>unexcludedGlobs<span style="color:#ca60ca">.</span>map <span style="color:#ca60ca">{</span> $<span style="color:#b08000">0.</span>description <span style="color:#ca60ca">}.</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
arguments<span style="color:#ca60ca">.</span>remove<span style="color:#ca60ca">(</span><span style="color:#bf0303">"unexclude"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">do</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>excludingDefaults <span style="color:#ca60ca">||</span> fileOptions<span style="color:#ca60ca">.</span>minVersion <span style="color:#ca60ca">!=</span> FileOptions<span style="color:#ca60ca">.</span><span style="font-weight:bold">default</span><span style="color:#ca60ca">.</span>minVersion <span style="color:#ca60ca">{</span>
args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"minversion"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> fileOptions<span style="color:#ca60ca">.</span>minVersion<span style="color:#ca60ca">.</span>description
<span style="color:#ca60ca">}</span>
arguments<span style="color:#ca60ca">.</span>remove<span style="color:#ca60ca">(</span><span style="color:#bf0303">"minversion"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
assert<span style="color:#ca60ca">(</span>arguments<span style="color:#ca60ca">.</span>isEmpty<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">formatOptions</span> <span style="color:#ca60ca">=</span> options<span style="color:#ca60ca">.</span>formatOptions <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">for</span> descriptor <span style="font-weight:bold">in</span> Descriptors<span style="color:#ca60ca">.</span>all <span style="font-weight:bold">where</span> <span style="color:#ca60ca">!</span>descriptor<span style="color:#ca60ca">.</span>isRenamed <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">value</span> <span style="color:#ca60ca">=</span> descriptor<span style="color:#ca60ca">.</span>fromOptions<span style="color:#ca60ca">(</span>formatOptions<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">guard</span> value <span style="color:#ca60ca">!=</span> descriptor<span style="color:#ca60ca">.</span>fromOptions<span style="color:#ca60ca">(.</span><span style="font-weight:bold">default</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">||</span>
<span style="color:#ca60ca">(!</span>excludingDefaults <span style="color:#ca60ca">&amp;&amp;</span> <span style="color:#ca60ca">!</span>descriptor<span style="color:#ca60ca">.</span>isDeprecated<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">continue</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Special case for swiftVersion</span>
<span style="color:#898887">// </span><span style="color:#ca9219;background-color:#451e1a;font-weight:bold">TODO</span><span style="color:#898887">: find a better solution for this</span>
<span style="font-weight:bold">if</span> descriptor<span style="color:#ca60ca">.</span>argumentName <span style="color:#ca60ca">==</span> Descriptors<span style="color:#ca60ca">.</span>swiftVersion<span style="color:#ca60ca">.</span>argumentName<span style="color:#ca60ca">,</span>
value <span style="color:#ca60ca">==</span> Version<span style="color:#ca60ca">.</span>undefined<span style="color:#ca60ca">.</span>rawValue
<span style="color:#ca60ca">{</span>
<span style="font-weight:bold">continue</span>
<span style="color:#ca60ca">}</span>
args<span style="color:#ca60ca">[</span>descriptor<span style="color:#ca60ca">.</span>argumentName<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> value
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Special case for wrapParameters</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">argumentName</span> <span style="color:#ca60ca">=</span> Descriptors<span style="color:#ca60ca">.</span>wrapParameters<span style="color:#ca60ca">.</span>argumentName
<span style="font-weight:bold">if</span> args<span style="color:#ca60ca">[</span>argumentName<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">==</span> WrapMode<span style="color:#ca60ca">.</span><span style="font-weight:bold">default</span><span style="color:#ca60ca">.</span>rawValue <span style="color:#ca60ca">{</span>
args<span style="color:#ca60ca">[</span>argumentName<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> args<span style="color:#ca60ca">[</span>Descriptors<span style="color:#ca60ca">.</span>wrapArguments<span style="color:#ca60ca">.</span>argumentName<span style="color:#ca60ca">]</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> options<span style="color:#ca60ca">.</span>lint <span style="color:#ca60ca">{</span>
args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lint"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> <span style="color:#bf0303">""</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">rules</span> <span style="color:#ca60ca">=</span> options<span style="color:#ca60ca">.</span>rules <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">defaultRules</span> <span style="color:#ca60ca">=</span> allRules<span style="color:#ca60ca">.</span>subtracting<span style="color:#ca60ca">(</span>FormatRules<span style="color:#ca60ca">.</span>disabledByDefault<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">enabled</span> <span style="color:#ca60ca">=</span> rules<span style="color:#ca60ca">.</span>subtracting<span style="color:#ca60ca">(</span>defaultRules<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>enabled<span style="color:#ca60ca">.</span>isEmpty <span style="color:#ca60ca">{</span>
args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> enabled<span style="color:#ca60ca">.</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">disabled</span> <span style="color:#ca60ca">=</span> defaultRules<span style="color:#ca60ca">.</span>subtracting<span style="color:#ca60ca">(</span>rules<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>disabled<span style="color:#ca60ca">.</span>isEmpty <span style="color:#ca60ca">{</span>
args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">]</span> <span style="color:#ca60ca">=</span> disabled<span style="color:#ca60ca">.</span>sorted<span style="color:#ca60ca">().</span>joined<span style="color:#ca60ca">(</span>separator<span style="color:#ca60ca">:</span> <span style="color:#bf0303">","</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> args
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">private</span> <span style="font-weight:bold">func</span> <span style="color:#644a9b">processOption</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">key</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">,</span>
<span style="color:#0057ae">in</span> <span style="color:#0057ae">args</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>]<span style="color:#ca60ca">,</span>
<span style="color:#0057ae">from</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">inout</span> <span style="color:#0057ae">Set</span>&lt;<span style="color:#0057ae">String</span>><span style="color:#ca60ca">,</span>
<span style="color:#0057ae">handler</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">(</span><span style="color:#0057ae">String</span><span style="color:#ca60ca">)</span> <span style="color:#0057ae">throws</span> -> <span style="color:#0057ae">Void</span><span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span>
<span style="color:#ca60ca">{</span>
precondition<span style="color:#ca60ca">(</span>optionsArguments<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span>key<span style="color:#ca60ca">),</span> <span style="color:#bf0303">"</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">key) not in optionsArguments"</span><span style="color:#ca60ca">)</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">arguments</span> <span style="color:#ca60ca">=</span> from
arguments<span style="color:#ca60ca">.</span>remove<span style="color:#ca60ca">(</span>key<span style="color:#ca60ca">)</span>
from <span style="color:#ca60ca">=</span> arguments
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">value</span> <span style="color:#ca60ca">=</span> args<span style="color:#ca60ca">[</span>key<span style="color:#ca60ca">]</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">do</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">try</span> handler<span style="color:#ca60ca">(</span>value<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span> <span style="font-weight:bold">catch</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">guard</span> <span style="color:#ca60ca">!</span>value<span style="color:#ca60ca">.</span>isEmpty <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"--</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">key) option expects a value"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">case</span> <span style="font-weight:bold">var</span> <span style="color:#0057ae">FormatError</span><span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span>string<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">=</span> error<span style="color:#ca60ca">,</span> <span style="color:#ca60ca">!</span>string<span style="color:#ca60ca">.</span>isEmpty <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>string<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span>key<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
string <span style="color:#ca60ca">+=</span> <span style="color:#bf0303">" in --</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">key)"</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span>string<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Unsupported --</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">key) value '</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">value)'"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse rule names from arguments</span>
<span style="font-weight:bold">public</span> <span style="font-weight:bold">func</span> <span style="color:#644a9b">rulesFor</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">args</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>]<span style="color:#ca60ca">,</span> <span style="color:#0057ae">lint</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">Bool</span><span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> <span style="color:#644a9b">Set</span><span style="color:#ca60ca">&lt;</span><span style="color:#0057ae">String</span><span style="color:#ca60ca">></span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">rules</span> <span style="color:#ca60ca">=</span> allRules
rules <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span> args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"rules"</span><span style="color:#ca60ca">].</span>map <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">try</span> Set<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">(</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span> <span style="color:#ca60ca">??</span> rules<span style="color:#ca60ca">.</span>subtracting<span style="color:#ca60ca">(</span>FormatRules<span style="color:#ca60ca">.</span>disabledByDefault<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">try</span> args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">].</span>map <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">try</span> rules<span style="color:#ca60ca">.</span>formUnion<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">(</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">try</span> args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">].</span>map <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">try</span> rules<span style="color:#ca60ca">.</span>subtract<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">(</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">try</span> args<span style="color:#ca60ca">[</span><span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">].</span>map <span style="color:#ca60ca">{</span> rulesString <span style="font-weight:bold">in</span>
<span style="font-weight:bold">if</span> lint <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">try</span> rules<span style="color:#ca60ca">.</span>formUnion<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">(</span>rulesString<span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">try</span> rules<span style="color:#ca60ca">.</span>subtract<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">(</span>rulesString<span style="color:#ca60ca">))</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> rules
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse FileOptions from arguments</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">fileOptionsFor</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">args</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>]<span style="color:#ca60ca">,</span> <span style="color:#0057ae">in</span> <span style="color:#0057ae">directory</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span><span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> <span style="color:#644a9b">FileOptions</span>? <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">options</span> <span style="color:#ca60ca">=</span> FileOptions<span style="color:#ca60ca">()</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">arguments</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>fileArguments<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">containsFileOption</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">false</span>
<span style="font-weight:bold">try</span> processOption<span style="color:#ca60ca">(</span><span style="color:#bf0303">"symlinks"</span><span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> args<span style="color:#ca60ca">,</span> from<span style="color:#ca60ca">:</span> <span style="color:#ca60ca">&amp;</span>arguments<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
containsFileOption <span style="color:#ca60ca">=</span> <span style="font-weight:bold">true</span>
<span style="font-weight:bold">switch</span> $<span style="color:#b08000">0.</span>lowercased<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">case</span> <span style="color:#bf0303">"follow"</span><span style="color:#ca60ca">:</span>
options<span style="color:#ca60ca">.</span>followSymlinks <span style="color:#ca60ca">=</span> <span style="font-weight:bold">true</span>
<span style="font-weight:bold">case</span> <span style="color:#bf0303">"ignore"</span><span style="color:#ca60ca">:</span>
options<span style="color:#ca60ca">.</span>followSymlinks <span style="color:#ca60ca">=</span> <span style="font-weight:bold">false</span>
<span style="font-weight:bold">default</span><span style="color:#ca60ca">:</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">""</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">try</span> processOption<span style="color:#ca60ca">(</span><span style="color:#bf0303">"exclude"</span><span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> args<span style="color:#ca60ca">,</span> from<span style="color:#ca60ca">:</span> <span style="color:#ca60ca">&amp;</span>arguments<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
containsFileOption <span style="color:#ca60ca">=</span> <span style="font-weight:bold">true</span>
options<span style="color:#ca60ca">.</span>excludedGlobs <span style="color:#ca60ca">+=</span> expandGlobs<span style="color:#ca60ca">(</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> directory<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">try</span> processOption<span style="color:#ca60ca">(</span><span style="color:#bf0303">"unexclude"</span><span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> args<span style="color:#ca60ca">,</span> from<span style="color:#ca60ca">:</span> <span style="color:#ca60ca">&amp;</span>arguments<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
containsFileOption <span style="color:#ca60ca">=</span> <span style="font-weight:bold">true</span>
options<span style="color:#ca60ca">.</span>unexcludedGlobs <span style="color:#ca60ca">+=</span> expandGlobs<span style="color:#ca60ca">(</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> directory<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">try</span> processOption<span style="color:#ca60ca">(</span><span style="color:#bf0303">"minversion"</span><span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> args<span style="color:#ca60ca">,</span> from<span style="color:#ca60ca">:</span> <span style="color:#ca60ca">&amp;</span>arguments<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
containsFileOption <span style="color:#ca60ca">=</span> <span style="font-weight:bold">true</span>
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">minVersion</span> <span style="color:#ca60ca">=</span> Version<span style="color:#ca60ca">(</span>rawValue<span style="color:#ca60ca">:</span> $<span style="color:#b08000">0</span><span style="color:#ca60ca">)</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Unsupported --minversion value '</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#ff5500">$</span><span style="color:#bf0303">0)'"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">guard</span> minVersion <span style="color:#ca60ca">&lt;=</span> Version<span style="color:#ca60ca">(</span>stringLiteral<span style="color:#ca60ca">:</span> swiftFormatVersion<span style="color:#ca60ca">)</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">throw</span> FormatError<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Project specifies SwiftFormat --minversion of </span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">minVersion)"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
options<span style="color:#ca60ca">.</span>minVersion <span style="color:#ca60ca">=</span> minVersion
<span style="color:#ca60ca">}</span>
assert<span style="color:#ca60ca">(</span>arguments<span style="color:#ca60ca">.</span>isEmpty<span style="color:#ca60ca">,</span> <span style="color:#bf0303">"</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">arguments.joined(separator: "</span><span style="color:#ca60ca">,</span><span style="color:#bf0303">"))"</span><span style="color:#ca60ca">)</span>
<span style="font-weight:bold">return</span> containsFileOption <span style="color:#ca60ca">?</span> options <span style="color:#ca60ca">:</span> <span style="font-weight:bold">nil</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Parse FormatOptions from arguments</span>
<span style="color:#898887">// Returns nil if the arguments dictionary does not contain any formatting arguments</span>
<span style="font-weight:bold">public</span> <span style="font-weight:bold">func</span> <span style="color:#644a9b">formatOptionsFor</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">args</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>]<span style="color:#ca60ca">)</span> <span style="font-weight:bold">throws</span> -> <span style="color:#644a9b">FormatOptions</span>? <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">options</span> <span style="color:#ca60ca">=</span> FormatOptions<span style="color:#ca60ca">.</span><span style="font-weight:bold">default</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">arguments</span> <span style="color:#ca60ca">=</span> Set<span style="color:#ca60ca">(</span>formattingArguments<span style="color:#ca60ca">)</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">containsFormatOption</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">false</span>
<span style="font-weight:bold">for</span> option <span style="font-weight:bold">in</span> Descriptors<span style="color:#ca60ca">.</span>all <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">try</span> processOption<span style="color:#ca60ca">(</span>option<span style="color:#ca60ca">.</span>argumentName<span style="color:#ca60ca">,</span> <span style="font-weight:bold">in</span><span style="color:#ca60ca">:</span> args<span style="color:#ca60ca">,</span> from<span style="color:#ca60ca">:</span> <span style="color:#ca60ca">&amp;</span>arguments<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
containsFormatOption <span style="color:#ca60ca">=</span> <span style="font-weight:bold">true</span>
<span style="font-weight:bold">try</span> option<span style="color:#ca60ca">.</span>toOptions<span style="color:#ca60ca">(</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">,</span> <span style="color:#ca60ca">&amp;</span>options<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
assert<span style="color:#ca60ca">(</span>arguments<span style="color:#ca60ca">.</span>isEmpty<span style="color:#ca60ca">,</span> <span style="color:#bf0303">"</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">arguments.joined(separator: "</span><span style="color:#ca60ca">,</span><span style="color:#bf0303">"))"</span><span style="color:#ca60ca">)</span>
<span style="font-weight:bold">return</span> containsFormatOption <span style="color:#ca60ca">?</span> options <span style="color:#ca60ca">:</span> <span style="font-weight:bold">nil</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// Get deprecation warnings from a set of arguments</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">warningsForArguments</span><span style="color:#ca60ca">(</span><span style="color:#0057ae">_</span> <span style="color:#0057ae">args</span><span style="color:#ca60ca">:</span> [<span style="color:#0057ae">String</span><span style="color:#ca60ca">:</span> <span style="color:#0057ae">String</span>]<span style="color:#ca60ca">)</span> -> [<span style="color:#644a9b">String</span>] <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">var</span> <span style="color:#0057ae">warnings</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[</span>String<span style="color:#ca60ca">]()</span>
<span style="font-weight:bold">for</span> option <span style="font-weight:bold">in</span> Descriptors<span style="color:#ca60ca">.</span>all <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> args<span style="color:#ca60ca">[</span>option<span style="color:#ca60ca">.</span>argumentName<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">!=</span> <span style="font-weight:bold">nil</span><span style="color:#ca60ca">,</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">message</span> <span style="color:#ca60ca">=</span> option<span style="color:#ca60ca">.</span>deprecationMessage <span style="color:#ca60ca">{</span>
warnings<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span><span style="color:#bf0303">"--</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">option.argumentName) option is deprecated. </span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">message)"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">for</span> name <span style="font-weight:bold">in</span> Set<span style="color:#ca60ca">(</span>rulesArguments<span style="color:#ca60ca">.</span>flatMap <span style="color:#ca60ca">{</span> <span style="color:#ca60ca">(</span><span style="font-weight:bold">try</span><span style="color:#ca60ca">?</span> args<span style="color:#ca60ca">[</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">].</span>map<span style="color:#ca60ca">(</span>parseRules<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">??</span> <span style="color:#ca60ca">[])</span> <span style="color:#ca60ca">??</span> <span style="color:#ca60ca">[]</span> <span style="color:#ca60ca">})</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">message</span> <span style="color:#ca60ca">=</span> FormatRules<span style="color:#ca60ca">.</span>byName<span style="color:#ca60ca">[</span>name<span style="color:#ca60ca">]?.</span>deprecationMessage <span style="color:#ca60ca">{</span>
warnings<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span><span style="color:#bf0303">"</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">name) rule is deprecated. </span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">message)"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">if</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">rules</span> <span style="color:#ca60ca">=</span> <span style="font-weight:bold">try</span><span style="color:#ca60ca">?</span> rulesFor<span style="color:#ca60ca">(</span>args<span style="color:#ca60ca">,</span> lint<span style="color:#ca60ca">:</span> <span style="font-weight:bold">true</span><span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">for</span> arg <span style="font-weight:bold">in</span> args<span style="color:#ca60ca">.</span>keys <span style="font-weight:bold">where</span> formattingArguments<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span>arg<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">if</span> <span style="color:#ca60ca">!</span>rules<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span><span style="font-weight:bold">where</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">guard</span> <span style="font-weight:bold">let</span> <span style="color:#0057ae">rule</span> <span style="color:#ca60ca">=</span> FormatRules<span style="color:#ca60ca">.</span>byName<span style="color:#ca60ca">[</span>$<span style="color:#b08000">0</span><span style="color:#ca60ca">]</span> <span style="font-weight:bold">else</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">return</span> <span style="font-weight:bold">false</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> rule<span style="color:#ca60ca">.</span>options<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span>arg<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">||</span> rule<span style="color:#ca60ca">.</span>sharedOptions<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span>arg<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">})</span> <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">expected</span> <span style="color:#ca60ca">=</span> FormatRules<span style="color:#ca60ca">.</span>all<span style="color:#ca60ca">.</span>first<span style="color:#ca60ca">(</span><span style="font-weight:bold">where</span><span style="color:#ca60ca">:</span> <span style="color:#ca60ca">{</span>
$<span style="color:#b08000">0.</span>options<span style="color:#ca60ca">.</span>contains<span style="color:#ca60ca">(</span>arg<span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">})?.</span>name <span style="color:#ca60ca">??</span> <span style="color:#bf0303">"associated"</span>
warnings<span style="color:#ca60ca">.</span>append<span style="color:#ca60ca">(</span><span style="color:#bf0303">"--</span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">arg) option has no effect when </span><span style="color:#bf0303;text-decoration:underline">\(</span><span style="color:#bf0303">expected) rule is disabled"</span><span style="color:#ca60ca">)</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">return</span> warnings
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">fileArguments</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[</span>
<span style="color:#bf0303">"symlinks"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"exclude"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"unexclude"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"minversion"</span><span style="color:#ca60ca">,</span>
<span style="color:#ca60ca">]</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">rulesArguments</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[</span>
<span style="color:#bf0303">"disable"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"enable"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"lintonly"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"rules"</span><span style="color:#ca60ca">,</span>
<span style="color:#ca60ca">]</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">formattingArguments</span> <span style="color:#ca60ca">=</span> Descriptors<span style="color:#ca60ca">.</span>formatting<span style="color:#ca60ca">.</span>map <span style="color:#ca60ca">{</span> $<span style="color:#b08000">0.</span>argumentName <span style="color:#ca60ca">}</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">internalArguments</span> <span style="color:#ca60ca">=</span> Descriptors<span style="color:#ca60ca">.</span><span style="font-weight:bold">internal</span><span style="color:#ca60ca">.</span>map <span style="color:#ca60ca">{</span> $<span style="color:#b08000">0.</span>argumentName <span style="color:#ca60ca">}</span>
<span style="font-weight:bold">let</span> <span style="color:#0057ae">optionsArguments</span> <span style="color:#ca60ca">=</span> fileArguments <span style="color:#ca60ca">+</span> rulesArguments <span style="color:#ca60ca">+</span> formattingArguments <span style="color:#ca60ca">+</span> internalArguments
<span style="font-weight:bold">let</span> <span style="color:#0057ae">commandLineArguments</span> <span style="color:#ca60ca">=</span> <span style="color:#ca60ca">[</span>
<span style="color:#898887">// Input options</span>
<span style="color:#bf0303">"filelist"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"stdinpath"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"config"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"inferoptions"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"linerange"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"output"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"cache"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"dryrun"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"lint"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"lenient"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"verbose"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"quiet"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"report"</span><span style="color:#ca60ca">,</span>
<span style="color:#898887">// Misc</span>
<span style="color:#bf0303">"help"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"version"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"options"</span><span style="color:#ca60ca">,</span>
<span style="color:#bf0303">"ruleinfo"</span><span style="color:#ca60ca">,</span>
<span style="color:#ca60ca">]</span> <span style="color:#ca60ca">+</span> optionsArguments
<span style="font-weight:bold">let</span> <span style="color:#0057ae">deprecatedArguments</span> <span style="color:#ca60ca">=</span> Descriptors<span style="color:#ca60ca">.</span>all<span style="color:#ca60ca">.</span>compactMap <span style="color:#ca60ca">{</span>
$<span style="color:#b08000">0.</span>isDeprecated <span style="color:#ca60ca">?</span> $<span style="color:#b08000">0.</span>argumentName <span style="color:#ca60ca">:</span> <span style="font-weight:bold">nil</span>
<span style="color:#ca60ca">}</span>
<span style="font-weight:bold">protocol</span> Foo <span style="color:#ca60ca">{</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">foo</span><span style="color:#ca60ca">()</span>
<span style="font-weight:bold">func</span> <span style="color:#644a9b">bar</span><span style="color:#ca60ca">()</span>
<span style="color:#ca60ca">}</span>
<span style="color:#898887">// something</span>
<span style="font-weight:bold">class</span> FooImpl<span style="color:#ca60ca">:</span> <span style="color:#0057ae">Foo</span> <span style="color:#ca60ca">{</span>
<span style="color:#ca60ca">}</span>
</pre></body></html>