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<pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>--</span>
<a name="line-3"></a><span class='hs-comment'>-- Module : IDE.StrippedPrefs</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : 2007-2011 Juergen Nicklisch-Franken, Hamish Mackenzie</span>
<a name="line-5"></a><span class='hs-comment'>-- License : GPL</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- Maintainer : maintainer@leksah.org</span>
<a name="line-8"></a><span class='hs-comment'>-- Stability : provisional</span>
<a name="line-9"></a><span class='hs-comment'>-- Portability :</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>-- |</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-14"></a>
<a name="line-15"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>IDE</span><span class='hs-varop'>.</span><span class='hs-conid'>StrippedPrefs</span> <span class='hs-layout'>(</span>
<a name="line-16"></a>
<a name="line-17"></a> <span class='hs-conid'>Prefs</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-18"></a><span class='hs-layout'>,</span> <span class='hs-conid'>RetrieveStrategy</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-19"></a><span class='hs-layout'>,</span> <span class='hs-varid'>readStrippedPrefs</span>
<a name="line-20"></a><span class='hs-layout'>,</span> <span class='hs-varid'>writeStrippedPrefs</span>
<a name="line-21"></a><span class='hs-layout'>,</span> <span class='hs-varid'>getSourceDirectories</span>
<a name="line-22"></a><span class='hs-layout'>,</span> <span class='hs-varid'>getUnpackDirectory</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'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>PrinterParser</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Editor</span><span class='hs-varop'>.</span><span class='hs-conid'>Parameters</span>
<a name="line-27"></a> <span class='hs-layout'>(</span><span class='hs-varid'>emptyParams</span><span class='hs-layout'>,</span> <span class='hs-conid'>Parameter</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</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'>paraName</span><span class='hs-layout'>)</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>PrettyPrint</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>PP</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span><span class='hs-layout'>)</span>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span>
<a name="line-30"></a> <span class='hs-layout'>(</span><span class='hs-varid'>joinPath</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'>dropTrailingPathSeparator</span><span class='hs-layout'>,</span> <span class='hs-varid'>splitPath</span><span class='hs-layout'>)</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span> <span class='hs-layout'>(</span><span class='hs-varid'>getHomeDirectory</span><span class='hs-layout'>)</span>
<a name="line-32"></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-layout'>(</span><span class='hs-varid'>liftM</span><span class='hs-layout'>)</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>IDE</span><span class='hs-varop'>.</span><span class='hs-conid'>Core</span><span class='hs-varop'>.</span><span class='hs-conid'>CTypes</span> <span class='hs-layout'>(</span><span class='hs-conid'>RetrieveStrategy</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="Prefs"></a><span class='hs-comment'>--</span>
<a name="line-36"></a><a name="Prefs"></a><span class='hs-comment'>-- | Preferences is a data structure to hold configuration data</span>
<a name="line-37"></a><a name="Prefs"></a><span class='hs-comment'>--</span>
<a name="line-38"></a><a name="Prefs"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Prefs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Prefs</span> <span class='hs-layout'>{</span>
<a name="line-39"></a> <span class='hs-varid'>sourceDirectories</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span>
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unpackDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>FilePath</span>
<a name="line-41"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>retrieveURL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-42"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>retrieveStrategy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RetrieveStrategy</span>
<a name="line-43"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>serverPort</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-44"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>endWithLastConn</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span>
<a name="line-45"></a><span class='hs-layout'>}</span> <span class='hs-keyword'>deriving</span><span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span><span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
<a name="line-46"></a>
<a name="line-47"></a><a name="defaultPrefs"></a><span class='hs-definition'>defaultPrefs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Prefs</span>
<a name="line-48"></a><span class='hs-definition'>defaultPrefs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Prefs</span> <span class='hs-layout'>{</span>
<a name="line-49"></a> <span class='hs-varid'>sourceDirectories</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-50"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unpackDirectory</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-51"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>retrieveURL</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"http://www.leksah.org/"</span>
<a name="line-52"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>retrieveStrategy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RetrieveThenBuild</span>
<a name="line-53"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>serverPort</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>11111</span>
<a name="line-54"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>endWithLastConn</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-55"></a> <span class='hs-layout'>}</span>
<a name="line-56"></a>
<a name="line-57"></a><span class='hs-comment'>-- ------------------------------------------------------------</span>
<a name="line-58"></a><span class='hs-comment'>-- * Parsing</span>
<a name="line-59"></a><span class='hs-comment'>-- ------------------------------------------------------------</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="readStrippedPrefs"></a><span class='hs-definition'>readStrippedPrefs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Prefs</span>
<a name="line-62"></a><span class='hs-definition'>readStrippedPrefs</span> <span class='hs-varid'>fn</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>readFields</span> <span class='hs-varid'>fn</span> <span class='hs-varid'>prefsDescription</span> <span class='hs-varid'>defaultPrefs</span>
<a name="line-63"></a>
<a name="line-64"></a><a name="writeStrippedPrefs"></a><span class='hs-definition'>writeStrippedPrefs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Prefs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-65"></a><span class='hs-definition'>writeStrippedPrefs</span> <span class='hs-varid'>fpath</span> <span class='hs-varid'>prefs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>writeFields</span> <span class='hs-varid'>fpath</span> <span class='hs-varid'>prefs</span> <span class='hs-varid'>prefsDescription</span>
<a name="line-66"></a>
<a name="line-67"></a>
<a name="line-68"></a><a name="prefsDescription"></a><span class='hs-definition'>prefsDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FieldDescriptionS</span> <span class='hs-conid'>Prefs</span><span class='hs-keyglyph'>]</span>
<a name="line-69"></a><span class='hs-definition'>prefsDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span>
<a name="line-70"></a> <span class='hs-varid'>mkFieldS</span>
<a name="line-71"></a> <span class='hs-layout'>(</span><span class='hs-varid'>paraName</span> <span class='hs-varop'><<<-</span> <span class='hs-conid'>ParaName</span>
<a name="line-72"></a> <span class='hs-str'>"Paths under which haskell sources for packages may be found"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>emptyParams</span><span class='hs-layout'>)</span>
<a name="line-73"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span><span class='hs-layout'>)</span>
<a name="line-74"></a> <span class='hs-varid'>readParser</span>
<a name="line-75"></a> <span class='hs-varid'>sourceDirectories</span>
<a name="line-76"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>{</span><span class='hs-varid'>sourceDirectories</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-77"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mkFieldS</span>
<a name="line-78"></a> <span class='hs-layout'>(</span><span class='hs-varid'>paraName</span> <span class='hs-varop'><<<-</span> <span class='hs-conid'>ParaName</span> <span class='hs-str'>"Maybe a directory for unpacking cabal packages"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>emptyParams</span><span class='hs-layout'>)</span>
<a name="line-79"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span><span class='hs-layout'>)</span>
<a name="line-80"></a> <span class='hs-varid'>readParser</span>
<a name="line-81"></a> <span class='hs-varid'>unpackDirectory</span>
<a name="line-82"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>{</span><span class='hs-varid'>unpackDirectory</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-83"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mkFieldS</span>
<a name="line-84"></a> <span class='hs-layout'>(</span><span class='hs-varid'>paraName</span> <span class='hs-varop'><<<-</span> <span class='hs-conid'>ParaName</span> <span class='hs-str'>"An URL to load prebuild metadata"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>emptyParams</span><span class='hs-layout'>)</span>
<a name="line-85"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span><span class='hs-layout'>)</span>
<a name="line-86"></a> <span class='hs-varid'>stringParser</span>
<a name="line-87"></a> <span class='hs-varid'>retrieveURL</span>
<a name="line-88"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>{</span><span class='hs-varid'>retrieveURL</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-89"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mkFieldS</span>
<a name="line-90"></a> <span class='hs-layout'>(</span><span class='hs-varid'>paraName</span> <span class='hs-varop'><<<-</span> <span class='hs-conid'>ParaName</span> <span class='hs-str'>"A strategy for downloading prebuild metadata"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>emptyParams</span><span class='hs-layout'>)</span>
<a name="line-91"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span><span class='hs-layout'>)</span>
<a name="line-92"></a> <span class='hs-varid'>readParser</span>
<a name="line-93"></a> <span class='hs-varid'>retrieveStrategy</span>
<a name="line-94"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>{</span><span class='hs-varid'>retrieveStrategy</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-95"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mkFieldS</span>
<a name="line-96"></a> <span class='hs-layout'>(</span><span class='hs-varid'>paraName</span> <span class='hs-varop'><<<-</span> <span class='hs-conid'>ParaName</span> <span class='hs-str'>"Port number for server connection"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>emptyParams</span><span class='hs-layout'>)</span>
<a name="line-97"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span><span class='hs-layout'>)</span>
<a name="line-98"></a> <span class='hs-varid'>intParser</span>
<a name="line-99"></a> <span class='hs-varid'>serverPort</span>
<a name="line-100"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>{</span><span class='hs-varid'>serverPort</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-101"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mkFieldS</span>
<a name="line-102"></a> <span class='hs-layout'>(</span><span class='hs-varid'>paraName</span> <span class='hs-varop'><<<-</span> <span class='hs-conid'>ParaName</span> <span class='hs-str'>"End the server with last connection"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>emptyParams</span><span class='hs-layout'>)</span>
<a name="line-103"></a> <span class='hs-layout'>(</span><span class='hs-conid'>PP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span><span class='hs-layout'>)</span>
<a name="line-104"></a> <span class='hs-varid'>boolParser</span>
<a name="line-105"></a> <span class='hs-varid'>endWithLastConn</span>
<a name="line-106"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>{</span><span class='hs-varid'>endWithLastConn</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-107"></a> <span class='hs-keyglyph'>]</span>
<a name="line-108"></a>
<a name="line-109"></a><span class='hs-comment'>-- ------------------------------------------------------------</span>
<a name="line-110"></a><span class='hs-comment'>-- * Cross platform support for "~" at the start of paths</span>
<a name="line-111"></a><span class='hs-comment'>-- ------------------------------------------------------------</span>
<a name="line-112"></a>
<a name="line-113"></a><a name="expandHomePath"></a><span class='hs-comment'>-- | Expand the users home folder into paths such as "~/x"</span>
<a name="line-114"></a><span class='hs-definition'>expandHomePath</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>FilePath</span>
<a name="line-115"></a><span class='hs-definition'>expandHomePath</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>splitPath</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>of</span>
<a name="line-116"></a> <span class='hs-varid'>h</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>dropTrailingPathSeparator</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-str'>"~"</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-117"></a> <span class='hs-varid'>home</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getHomeDirectory</span>
<a name="line-118"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>home</span> <span class='hs-varop'></></span> <span class='hs-varid'>joinPath</span> <span class='hs-varid'>rest</span>
<a name="line-119"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>p</span>
<a name="line-120"></a>
<a name="line-121"></a><a name="getSourceDirectories"></a><span class='hs-definition'>getSourceDirectories</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Prefs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span>
<a name="line-122"></a><span class='hs-definition'>getSourceDirectories</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapM</span> <span class='hs-varid'>expandHomePath</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>sourceDirectories</span>
<a name="line-123"></a>
<a name="line-124"></a><a name="getUnpackDirectory"></a><span class='hs-definition'>getUnpackDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Prefs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>FilePath</span><span class='hs-layout'>)</span>
<a name="line-125"></a><span class='hs-definition'>getUnpackDirectory</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>.</span> <span class='hs-varid'>expandHomePath</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unpackDirectory</span>
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