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<title>src/Darcs/Repository/InternalTypes.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2006-2007 David Roundy</span>
<a name="line-2"></a><span class='hs-comment'>--</span>
<a name="line-3"></a><span class='hs-comment'>-- This program is free software; you can redistribute it and/or modify</span>
<a name="line-4"></a><span class='hs-comment'>-- it under the terms of the GNU General Public License as published by</span>
<a name="line-5"></a><span class='hs-comment'>-- the Free Software Foundation; either version 2, or (at your option)</span>
<a name="line-6"></a><span class='hs-comment'>-- any later version.</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- This program is distributed in the hope that it will be useful,</span>
<a name="line-9"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-10"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="line-11"></a><span class='hs-comment'>-- GNU General Public License for more details.</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- You should have received a copy of the GNU General Public License</span>
<a name="line-14"></a><span class='hs-comment'>-- along with this program; if not, write to the Free Software Foundation,</span>
<a name="line-15"></a><span class='hs-comment'>-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span>
<a name="line-16"></a>
<a name="line-17"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>InternalTypes</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Repository</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>RepoType</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Pristine</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>extractCache</span><span class='hs-layout'>,</span> <span class='hs-varid'>extractOptions</span><span class='hs-layout'>,</span> <span class='hs-varid'>modifyCache</span>
<a name="line-23"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-24"></a>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>nub</span><span class='hs-layout'>,</span> <span class='hs-varid'>sortBy</span> <span class='hs-layout'>)</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Cache</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Cache</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>,</span> <span class='hs-varid'>compareByLocality</span> <span class='hs-layout'>)</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Flags</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</span> <span class='hs-layout'>)</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Format</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepoFormat</span> <span class='hs-layout'>)</span>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-layout'>)</span>
<a name="line-30"></a>
<a name="line-31"></a><a name="Pristine"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Pristine</span>
<a name="line-32"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NoPristine</span>
<a name="line-33"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PlainPristine</span>
<a name="line-34"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HashedPristine</span>
<a name="line-35"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span> <span class='hs-layout'>)</span>
<a name="line-36"></a>
<a name="line-37"></a><a name="Repository"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Repository</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>*</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>-></span> <span class='hs-varop'>*</span> <span class='hs-keyglyph'>-></span> <span class='hs-varop'>*</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>recordedstate</span> <span class='hs-varid'>unrecordedstate</span> <span class='hs-varid'>tentativestate</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-38"></a> <span class='hs-conid'>Repo</span> <span class='hs-varop'>!</span><span class='hs-conid'>String</span> <span class='hs-varop'>!</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>!</span><span class='hs-conid'>RepoFormat</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>RepoType</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="RepoType"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>RepoType</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>*</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>-></span> <span class='hs-varop'>*</span> <span class='hs-keyglyph'>-></span> <span class='hs-varop'>*</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DarcsRepository</span> <span class='hs-varop'>!</span><span class='hs-conid'>Pristine</span> <span class='hs-conid'>Cache</span> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span>
<a name="line-41"></a>
<a name="line-42"></a><a name="extractCache"></a><span class='hs-definition'>extractCache</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Cache</span>
<a name="line-43"></a><span class='hs-definition'>extractCache</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span>
<a name="line-44"></a>
<a name="line-45"></a><a name="extractOptions"></a><span class='hs-definition'>extractOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span>
<a name="line-46"></a><span class='hs-definition'>extractOptions</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>opts</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="modifyCache"></a><span class='hs-comment'>-- | 'modifyCache' @repository function@ modifies the cache of</span>
<a name="line-49"></a><span class='hs-comment'>-- @repository@ with @function@, remove duplicates and sort the results with 'compareByLocality'.</span>
<a name="line-50"></a><span class='hs-definition'>modifyCache</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FORALL</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Cache</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-51"></a><span class='hs-definition'>modifyCache</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>rf</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-varid'>pristine</span> <span class='hs-varid'>cache</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Repo</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>rf</span> <span class='hs-varid'>dr</span>
<a name="line-52"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>dr</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DarcsRepository</span> <span class='hs-varid'>pristine</span> <span class='hs-varop'>.</span> <span class='hs-varid'>cmap</span> <span class='hs-layout'>(</span> <span class='hs-varid'>sortBy</span> <span class='hs-varid'>compareByLocality</span> <span class='hs-varop'>.</span> <span class='hs-varid'>nub</span> <span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>f</span> <span class='hs-varid'>cache</span>
<a name="line-53"></a> <span class='hs-varid'>cmap</span> <span class='hs-varid'>g</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ca</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Ca</span> <span class='hs-layout'>(</span><span class='hs-varid'>g</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
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