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<title>src/Darcs/Patch/Show.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2002-2005 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; see the file COPYING. If not, write to</span>
<a name="line-15"></a><span class='hs-comment'>-- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="line-16"></a><span class='hs-comment'>-- Boston, MA 02110-1301, USA.</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Show</span>
<a name="line-21"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>ShowPatchBasic</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'>ShowPatch</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'>showNamedPrefix</span>
<a name="line-23"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writePatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>gzWritePatch</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>formatFileName</span>
<a name="line-25"></a> <span class='hs-layout'>)</span>
<a name="line-26"></a> <span class='hs-keyword'>where</span>
<a name="line-27"></a>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Prelude</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span> <span class='hs-varid'>pi</span> <span class='hs-layout'>)</span>
<a name="line-29"></a>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Lock</span> <span class='hs-layout'>(</span> <span class='hs-varid'>writeDocBinFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>gzWriteDocFile</span> <span class='hs-layout'>)</span>
<a name="line-31"></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-varop'>.</span><span class='hs-conid'>FileName</span> <span class='hs-layout'>(</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-varid'>fn2ps</span><span class='hs-layout'>,</span> <span class='hs-varid'>encodeWhite</span><span class='hs-layout'>,</span> <span class='hs-varid'>fn2fp</span> <span class='hs-layout'>)</span>
<a name="line-32"></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-varop'>.</span><span class='hs-conid'>Format</span> <span class='hs-layout'>(</span> <span class='hs-conid'>FileNameFormat</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-33"></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-varop'>.</span><span class='hs-conid'>Info</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PatchInfo</span><span class='hs-layout'>,</span> <span class='hs-varid'>showPatchInfo</span> <span class='hs-layout'>)</span>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span> <span class='hs-layout'>(</span> <span class='hs-conid'>FL</span> <span class='hs-layout'>)</span>
<a name="line-35"></a>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>English</span> <span class='hs-layout'>(</span> <span class='hs-varid'>plural</span><span class='hs-layout'>,</span> <span class='hs-conid'>Noun</span><span class='hs-layout'>(</span><span class='hs-conid'>Noun</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>,</span> <span class='hs-varid'>vcat</span><span class='hs-layout'>,</span> <span class='hs-varid'>blueText</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>$$</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'><></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>text</span><span class='hs-layout'>,</span> <span class='hs-varid'>packedString</span> <span class='hs-layout'>)</span>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>ApplyMonad</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ApplyMonadTrans</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyMonad</span> <span class='hs-layout'>)</span>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Apply</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>)</span>
<a name="line-40"></a>
<a name="line-41"></a>
<a name="line-42"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-43"></a>
<a name="line-44"></a><a name="showNamedPrefix"></a><span class='hs-definition'>showNamedPrefix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PatchInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>PatchInfo</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-45"></a><span class='hs-definition'>showNamedPrefix</span> <span class='hs-varid'>n</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showPatchInfo</span> <span class='hs-varid'>n</span>
<a name="line-46"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>blueText</span> <span class='hs-str'>"<"</span>
<a name="line-47"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>vcat</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>showPatchInfo</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-48"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>blueText</span> <span class='hs-str'>">"</span>
<a name="line-49"></a>
<a name="line-50"></a><a name="ShowPatch"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>ShowPatchBasic</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-51"></a> <span class='hs-varid'>showPatch</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-52"></a>
<a name="line-53"></a><a name="ShowPatch"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>ShowPatchBasic</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>ShowPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-54"></a> <span class='hs-varid'>showNicely</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-55"></a> <span class='hs-varid'>showNicely</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showPatch</span>
<a name="line-56"></a> <span class='hs-comment'>-- | showContextPatch is used to add context to a patch, as diff</span>
<a name="line-57"></a> <span class='hs-comment'>-- -u does. Thus, it differs from showPatch only for hunks. It is</span>
<a name="line-58"></a> <span class='hs-comment'>-- used for instance before putting it into a bundle. As this</span>
<a name="line-59"></a> <span class='hs-comment'>-- unified context is not included in patch representation, this</span>
<a name="line-60"></a> <span class='hs-comment'>-- requires access to the tree.</span>
<a name="line-61"></a> <span class='hs-varid'>showContextPatch</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyMonadTrans</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-62"></a> <span class='hs-conid'>ApplyMonad</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-63"></a> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>Doc</span>
<a name="line-64"></a> <span class='hs-varid'>showContextPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showPatch</span> <span class='hs-varid'>p</span>
<a name="line-65"></a> <span class='hs-varid'>description</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-66"></a> <span class='hs-varid'>description</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showPatch</span>
<a name="line-67"></a> <span class='hs-varid'>summary</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-68"></a> <span class='hs-varid'>summaryFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-69"></a> <span class='hs-varid'>thing</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-70"></a> <span class='hs-varid'>thing</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"patch"</span>
<a name="line-71"></a> <span class='hs-varid'>things</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-72"></a> <span class='hs-varid'>things</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>plural</span> <span class='hs-layout'>(</span><span class='hs-conid'>Noun</span> <span class='hs-varop'>$</span> <span class='hs-varid'>thing</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-str'>""</span>
<a name="line-73"></a>
<a name="line-74"></a><a name="writePatch"></a><span class='hs-definition'>writePatch</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowPatchBasic</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-75"></a><span class='hs-definition'>writePatch</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>writeDocBinFile</span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showPatch</span> <span class='hs-varid'>p</span> <span class='hs-varop'><></span> <span class='hs-varid'>text</span> <span class='hs-str'>"\n"</span>
<a name="line-76"></a><a name="gzWritePatch"></a><span class='hs-definition'>gzWritePatch</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowPatchBasic</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-77"></a><span class='hs-definition'>gzWritePatch</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>gzWriteDocFile</span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showPatch</span> <span class='hs-varid'>p</span> <span class='hs-varop'><></span> <span class='hs-varid'>text</span> <span class='hs-str'>"\n"</span>
<a name="line-78"></a>
<a name="line-79"></a><a name="formatFileName"></a><span class='hs-definition'>formatFileName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileNameFormat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FileName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-80"></a><span class='hs-definition'>formatFileName</span> <span class='hs-conid'>OldFormat</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>packedString</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fn2ps</span>
<a name="line-81"></a><span class='hs-definition'>formatFileName</span> <span class='hs-conid'>NewFormat</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>encodeWhite</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fn2fp</span>
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