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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE TypeFamilies #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-comment'>-- |</span>
<a name="line-4"></a><span class='hs-comment'>-- Module: Options.Tokenize</span>
<a name="line-5"></a><span class='hs-comment'>-- License: MIT</span>
<a name="line-6"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Options</span><span class='hs-varop'>.</span><span class='hs-conid'>Tokenize</span>
<a name="line-7"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>tokenize</span>
<a name="line-8"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-9"></a>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwError</span><span class='hs-layout'>)</span>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
<a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>State</span>
<a name="line-13"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Functor</span><span class='hs-varop'>.</span><span class='hs-conid'>Identity</span>
<a name="line-14"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Options</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Options</span><span class='hs-varop'>.</span><span class='hs-conid'>Util</span>
<a name="line-18"></a>
<a name="line-19"></a><a name="TokState"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TokState</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TokState</span>
<a name="line-20"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>stArgv</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stArgs</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stOpts</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-23"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stShortKeys</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-conid'>Char</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stLongKeys</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stSubcommands</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OptionInfo</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stSubCmd</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span>
<a name="line-27"></a> <span class='hs-layout'>}</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="Tok"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>Tok</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Tok</span> <span class='hs-layout'>{</span> <span class='hs-varid'>unTok</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ErrorT</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>StateT</span> <span class='hs-conid'>TokState</span> <span class='hs-conid'>Identity</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span> <span class='hs-layout'>}</span>
<a name="line-30"></a>
<a name="line-31"></a><a name="instance%20Monad%20Tok"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Monad</span> <span class='hs-conid'>Tok</span> <span class='hs-keyword'>where</span>
<a name="line-32"></a> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Tok</span> <span class='hs-varop'>.</span> <span class='hs-varid'>return</span>
<a name="line-33"></a> <span class='hs-varid'>m</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Tok</span> <span class='hs-layout'>(</span><span class='hs-varid'>unTok</span> <span class='hs-varid'>m</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>unTok</span> <span class='hs-varop'>.</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="instance%20MonadState%20Tok"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>MonadState</span> <span class='hs-conid'>Tok</span> <span class='hs-keyword'>where</span>
<a name="line-36"></a> <span class='hs-keyword'>type</span> <span class='hs-conid'>StateType</span> <span class='hs-conid'>Tok</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TokState</span>
<a name="line-37"></a> <span class='hs-varid'>get</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Tok</span> <span class='hs-varid'>get</span>
<a name="line-38"></a> <span class='hs-varid'>put</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Tok</span> <span class='hs-varop'>.</span> <span class='hs-varid'>put</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="tokenize"></a><span class='hs-definition'>tokenize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>OptionDefinitions</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>TokensFor</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-definition'>tokenize</span> <span class='hs-layout'>(</span><span class='hs-conid'>OptionDefinitions</span> <span class='hs-varid'>options</span> <span class='hs-varid'>subcommands</span><span class='hs-layout'>)</span> <span class='hs-varid'>argv</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runIdentity</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-42"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TokState</span>
<a name="line-43"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>stArgv</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>argv</span>
<a name="line-44"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stArgs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-45"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stOpts</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-46"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stShortKeys</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toShortKeys</span> <span class='hs-varid'>options</span>
<a name="line-47"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stLongKeys</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toLongKeys</span> <span class='hs-varid'>options</span>
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stSubcommands</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>subcommands</span>
<a name="line-49"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stSubCmd</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-50"></a> <span class='hs-layout'>}</span>
<a name="line-51"></a> <span class='hs-layout'>(</span><span class='hs-varid'>err</span><span class='hs-layout'>,</span> <span class='hs-varid'>st'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>runStateT</span> <span class='hs-layout'>(</span><span class='hs-varid'>runErrorT</span> <span class='hs-layout'>(</span><span class='hs-varid'>unTok</span> <span class='hs-varid'>loop</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>st</span>
<a name="line-52"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>stSubCmd</span> <span class='hs-varid'>st'</span><span class='hs-layout'>,</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>err</span> <span class='hs-keyword'>of</span>
<a name="line-53"></a> <span class='hs-conid'>Left</span> <span class='hs-varid'>err'</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varid'>err'</span>
<a name="line-54"></a> <span class='hs-conid'>Right</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-conid'>TokensFor</span> <span class='hs-layout'>(</span><span class='hs-varid'>stOpts</span> <span class='hs-varid'>st'</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>stArgs</span> <span class='hs-varid'>st'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-55"></a>
<a name="line-56"></a><a name="loop"></a><span class='hs-definition'>loop</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Tok</span> <span class='hs-conid'>()</span>
<a name="line-57"></a><span class='hs-definition'>loop</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-58"></a> <span class='hs-varid'>ms</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>nextItem</span>
<a name="line-59"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>get</span>
<a name="line-60"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>ms</span> <span class='hs-keyword'>of</span>
<a name="line-61"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-62"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varop'>>></span> <span class='hs-varid'>loop</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>stringToGhc704</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-63"></a> <span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>put</span> <span class='hs-layout'>(</span><span class='hs-varid'>st</span> <span class='hs-layout'>{</span> <span class='hs-varid'>stArgv</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-varid'>stArgs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>stArgs</span> <span class='hs-varid'>st</span> <span class='hs-varop'>++</span> <span class='hs-varid'>stArgv</span> <span class='hs-varid'>st</span> <span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-64"></a> <span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-varid'>opt</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parseLong</span> <span class='hs-varid'>opt</span>
<a name="line-65"></a> <span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-varid'>optChar</span><span class='hs-conop'>:</span><span class='hs-varid'>optValue</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parseShort</span> <span class='hs-varid'>optChar</span> <span class='hs-varid'>optValue</span>
<a name="line-66"></a> <span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>addArg</span> <span class='hs-varid'>s</span>
<a name="line-67"></a> <span class='hs-varid'>decoded</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>stSubcommands</span> <span class='hs-varid'>st</span><span class='hs-layout'>,</span> <span class='hs-varid'>stSubCmd</span> <span class='hs-varid'>st</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-68"></a> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>addArg</span> <span class='hs-varid'>s</span>
<a name="line-69"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>addArg</span> <span class='hs-varid'>s</span>
<a name="line-70"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>decoded</span> <span class='hs-layout'>(</span><span class='hs-varid'>stSubcommands</span> <span class='hs-varid'>st</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-71"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-str'>"Unknown subcommand "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>decoded</span> <span class='hs-varop'>++</span> <span class='hs-str'>"."</span><span class='hs-layout'>)</span>
<a name="line-72"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>subOptions</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>mergeSubcommand</span> <span class='hs-varid'>decoded</span> <span class='hs-varid'>subOptions</span>
<a name="line-73"></a>
<a name="line-74"></a><a name="nextItem"></a><span class='hs-definition'>nextItem</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Tok</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-75"></a><span class='hs-definition'>nextItem</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-76"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>get</span>
<a name="line-77"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>stArgv</span> <span class='hs-varid'>st</span> <span class='hs-keyword'>of</span>
<a name="line-78"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-79"></a> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-80"></a> <span class='hs-varid'>put</span> <span class='hs-layout'>(</span><span class='hs-varid'>st</span> <span class='hs-layout'>{</span> <span class='hs-varid'>stArgv</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>xs</span> <span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-81"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-82"></a>
<a name="line-83"></a><a name="addArg"></a><span class='hs-definition'>addArg</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tok</span> <span class='hs-conid'>()</span>
<a name="line-84"></a><span class='hs-definition'>addArg</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>modify</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>st</span> <span class='hs-layout'>{</span> <span class='hs-varid'>stArgs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>stArgs</span> <span class='hs-varid'>st</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>s</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-85"></a>
<a name="line-86"></a><a name="addOpt"></a><span class='hs-definition'>addOpt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tok</span> <span class='hs-conid'>()</span>
<a name="line-87"></a><span class='hs-definition'>addOpt</span> <span class='hs-varid'>flag</span> <span class='hs-varid'>key</span> <span class='hs-varid'>val</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-88"></a> <span class='hs-varid'>oldOpts</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>stOpts</span>
<a name="line-89"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>key</span> <span class='hs-varid'>oldOpts</span> <span class='hs-keyword'>of</span>
<a name="line-90"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>modify</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>st</span> <span class='hs-layout'>{</span> <span class='hs-varid'>stOpts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>stOpts</span> <span class='hs-varid'>st</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>key</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>flag</span><span class='hs-layout'>,</span> <span class='hs-varid'>val</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-91"></a> <span class='hs-comment'>-- TODO: include old and new values?</span>
<a name="line-92"></a> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-str'>"Multiple values for flag "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>flag</span> <span class='hs-varop'>++</span> <span class='hs-str'>" were provided."</span><span class='hs-layout'>)</span>
<a name="line-93"></a>
<a name="line-94"></a><a name="mergeSubcommand"></a><span class='hs-definition'>mergeSubcommand</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OptionInfo</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tok</span> <span class='hs-conid'>()</span>
<a name="line-95"></a><span class='hs-definition'>mergeSubcommand</span> <span class='hs-varid'>name</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>modify</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>st</span>
<a name="line-96"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>stSubCmd</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>name</span>
<a name="line-97"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stShortKeys</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>union</span> <span class='hs-layout'>(</span><span class='hs-varid'>stShortKeys</span> <span class='hs-varid'>st</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>toShortKeys</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-98"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stLongKeys</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>union</span> <span class='hs-layout'>(</span><span class='hs-varid'>stLongKeys</span> <span class='hs-varid'>st</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>toLongKeys</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-99"></a> <span class='hs-layout'>}</span>
<a name="line-100"></a>
<a name="line-101"></a><a name="parseLong"></a><span class='hs-definition'>parseLong</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tok</span> <span class='hs-conid'>()</span>
<a name="line-102"></a><span class='hs-definition'>parseLong</span> <span class='hs-varid'>optName</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-103"></a> <span class='hs-varid'>longKeys</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>stLongKeys</span>
<a name="line-104"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-chr'>'='</span><span class='hs-layout'>)</span> <span class='hs-varid'>optName</span> <span class='hs-keyword'>of</span>
<a name="line-105"></a> <span class='hs-layout'>(</span><span class='hs-varid'>before</span><span class='hs-layout'>,</span> <span class='hs-varid'>after</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>after</span> <span class='hs-keyword'>of</span>
<a name="line-106"></a> <span class='hs-chr'>'='</span> <span class='hs-conop'>:</span> <span class='hs-varid'>value</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>before</span> <span class='hs-varid'>longKeys</span> <span class='hs-keyword'>of</span>
<a name="line-107"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-str'>"Unknown flag --"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>before</span><span class='hs-layout'>)</span>
<a name="line-108"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>key</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>addOpt</span> <span class='hs-layout'>(</span><span class='hs-str'>"--"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>before</span><span class='hs-layout'>)</span> <span class='hs-varid'>key</span> <span class='hs-varid'>value</span>
<a name="line-109"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>optName</span> <span class='hs-varid'>longKeys</span> <span class='hs-keyword'>of</span>
<a name="line-110"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-str'>"Unknown flag --"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>optName</span><span class='hs-layout'>)</span>
<a name="line-111"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>key</span><span class='hs-layout'>,</span> <span class='hs-varid'>unary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>unary</span>
<a name="line-112"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>addOpt</span> <span class='hs-layout'>(</span><span class='hs-str'>"--"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>optName</span><span class='hs-layout'>)</span> <span class='hs-varid'>key</span> <span class='hs-str'>"true"</span>
<a name="line-113"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-114"></a> <span class='hs-varid'>next</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>nextItem</span>
<a name="line-115"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>next</span> <span class='hs-keyword'>of</span>
<a name="line-116"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-str'>"The flag --"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>optName</span> <span class='hs-varop'>++</span> <span class='hs-str'>" requires an argument."</span><span class='hs-layout'>)</span>
<a name="line-117"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>value</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>addOpt</span> <span class='hs-layout'>(</span><span class='hs-str'>"--"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>optName</span><span class='hs-layout'>)</span> <span class='hs-varid'>key</span> <span class='hs-varid'>value</span>
<a name="line-118"></a>
<a name="line-119"></a><a name="parseShort"></a><span class='hs-definition'>parseShort</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tok</span> <span class='hs-conid'>()</span>
<a name="line-120"></a><span class='hs-definition'>parseShort</span> <span class='hs-varid'>optChar</span> <span class='hs-varid'>optValue</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-121"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>optName</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'-'</span> <span class='hs-conop'>:</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>optChar</span><span class='hs-keyglyph'>]</span>
<a name="line-122"></a> <span class='hs-varid'>shortKeys</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>stShortKeys</span>
<a name="line-123"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>optChar</span> <span class='hs-varid'>shortKeys</span> <span class='hs-keyword'>of</span>
<a name="line-124"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-str'>"Unknown flag "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>optName</span><span class='hs-layout'>)</span>
<a name="line-125"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>key</span><span class='hs-layout'>,</span> <span class='hs-varid'>unary</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>unary</span>
<a name="line-126"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
<a name="line-127"></a> <span class='hs-varid'>addOpt</span> <span class='hs-varid'>optName</span> <span class='hs-varid'>key</span> <span class='hs-str'>"true"</span>
<a name="line-128"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>optValue</span> <span class='hs-keyword'>of</span>
<a name="line-129"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-130"></a> <span class='hs-varid'>nextChar</span><span class='hs-conop'>:</span><span class='hs-varid'>nextValue</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parseShort</span> <span class='hs-varid'>nextChar</span> <span class='hs-varid'>nextValue</span>
<a name="line-131"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>optValue</span> <span class='hs-keyword'>of</span>
<a name="line-132"></a> <span class='hs-str'>""</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-133"></a> <span class='hs-varid'>next</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>nextItem</span>
<a name="line-134"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>next</span> <span class='hs-keyword'>of</span>
<a name="line-135"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-str'>"The flag "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>optName</span> <span class='hs-varop'>++</span> <span class='hs-str'>" requires an argument."</span><span class='hs-layout'>)</span>
<a name="line-136"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>value</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>addOpt</span> <span class='hs-varid'>optName</span> <span class='hs-varid'>key</span> <span class='hs-varid'>value</span>
<a name="line-137"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>addOpt</span> <span class='hs-varid'>optName</span> <span class='hs-varid'>key</span> <span class='hs-varid'>optValue</span>
<a name="line-138"></a>
<a name="line-139"></a><a name="toShortKeys"></a><span class='hs-definition'>toShortKeys</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OptionInfo</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-conid'>Char</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span>
<a name="line-140"></a><span class='hs-definition'>toShortKeys</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-141"></a> <span class='hs-varid'>opt</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>opts</span>
<a name="line-142"></a> <span class='hs-varid'>flag</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>optionInfoShortFlags</span> <span class='hs-varid'>opt</span>
<a name="line-143"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>flag</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>optionInfoKey</span> <span class='hs-varid'>opt</span><span class='hs-layout'>,</span> <span class='hs-varid'>optionInfoUnary</span> <span class='hs-varid'>opt</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-144"></a>
<a name="line-145"></a><a name="toLongKeys"></a><span class='hs-definition'>toLongKeys</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OptionInfo</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span>
<a name="line-146"></a><span class='hs-definition'>toLongKeys</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-147"></a> <span class='hs-varid'>opt</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>opts</span>
<a name="line-148"></a> <span class='hs-varid'>flag</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>optionInfoLongFlags</span> <span class='hs-varid'>opt</span>
<a name="line-149"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>flag</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>optionInfoKey</span> <span class='hs-varid'>opt</span><span class='hs-layout'>,</span> <span class='hs-varid'>optionInfoUnary</span> <span class='hs-varid'>opt</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-150"></a>
<a name="line-151"></a><a name="throwError"></a><span class='hs-definition'>throwError</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tok</span> <span class='hs-varid'>a</span>
<a name="line-152"></a><span class='hs-definition'>throwError</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Tok</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span><span class='hs-varop'>.</span><span class='hs-varid'>throwError</span>
</pre></body>
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