hxt-8.0.0: doc/hdoc/src/Text-XML-HXT-XSLT-CompiledStylesheet.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ -->
<title>Haskell Code by HsColour</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='comment'>{- |
<a name="line-4"></a> Module : Text.XML.HXT.XSLT.Application
<a name="line-5"></a> Copyright : Copyright (C) 2006 Tim Walkenhorst, Uwe Schmidt
<a name="line-6"></a> License : MIT
<a name="line-7"></a>
<a name="line-8"></a> Maintainer : Uwe Schmidt (uwe\@fh-wedel.de)
<a name="line-9"></a> Stability : experimental
<a name="line-10"></a> Portability: portable
<a name="line-11"></a> Version : $Id: CompiledStylesheet.hs,v 1.3 2007/05/02 06:41:05 hxml Exp $
<a name="line-12"></a>
<a name="line-13"></a> Types for compiled stylesheets
<a name="line-14"></a>
<a name="line-15"></a>-}</span>
<a name="line-16"></a>
<a name="line-17"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='keyword'>module</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>XML</span><span class='varop'>.</span><span class='conid'>HXT</span><span class='varop'>.</span><span class='conid'>XSLT</span><span class='varop'>.</span><span class='conid'>CompiledStylesheet</span>
<a name="line-20"></a><span class='keyword'>where</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='keyword'>import</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>XML</span><span class='varop'>.</span><span class='conid'>HXT</span><span class='varop'>.</span><span class='conid'>XSLT</span><span class='varop'>.</span><span class='conid'>Common</span>
<a name="line-23"></a><span class='keyword'>import</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>XML</span><span class='varop'>.</span><span class='conid'>HXT</span><span class='varop'>.</span><span class='conid'>XSLT</span><span class='varop'>.</span><span class='conid'>Names</span>
<a name="line-24"></a>
<a name="line-25"></a><span class='keyword'>import</span> <span class='conid'>Data</span><span class='varop'>.</span><span class='conid'>Maybe</span>
<a name="line-26"></a><span class='keyword'>import</span> <span class='conid'>Data</span><span class='varop'>.</span><span class='conid'>List</span>
<a name="line-27"></a>
<a name="line-28"></a><span class='keyword'>import</span> <span class='conid'>Data</span><span class='varop'>.</span><span class='conid'>Map</span><span class='layout'>(</span><span class='conid'>Map</span><span class='layout'>)</span>
<a name="line-29"></a><span class='keyword'>import</span> <span class='keyword'>qualified</span> <span class='conid'>Data</span><span class='varop'>.</span><span class='conid'>Map</span> <span class='keyword'>as</span> <span class='conid'>Map</span> <span class='varid'>hiding</span> <span class='layout'>(</span><span class='conid'>Map</span><span class='layout'>)</span>
<a name="line-30"></a>
<a name="line-31"></a><span class='comment'>-- -------------------</span>
<a name="line-32"></a>
<a name="line-33"></a><span class='comment'>-- compiled-Stylesheet:</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="CompiledStylesheet"></a><span class='keyword'>data</span> <span class='conid'>CompiledStylesheet</span> <span class='keyglyph'>=</span>
<a name="line-36"></a> <span class='conid'>CompStylesheet</span>
<a name="line-37"></a> <span class='keyglyph'>[</span><span class='conid'>MatchRule</span><span class='keyglyph'>]</span>
<a name="line-38"></a> <span class='layout'>(</span><span class='conid'>Map</span> <span class='conid'>ExName</span> <span class='conid'>NamedRule</span><span class='layout'>)</span>
<a name="line-39"></a> <span class='layout'>(</span><span class='conid'>Map</span> <span class='conid'>ExName</span> <span class='conid'>Variable</span><span class='layout'>)</span>
<a name="line-40"></a> <span class='layout'>(</span><span class='conid'>Map</span> <span class='conid'>ExName</span> <span class='keyglyph'>[</span><span class='conid'>AttributeSet</span><span class='keyglyph'>]</span><span class='layout'>)</span>
<a name="line-41"></a> <span class='keyglyph'>[</span><span class='conid'>Strips</span><span class='keyglyph'>]</span>
<a name="line-42"></a> <span class='conid'>NSAliasing</span>
<a name="line-43"></a> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-44"></a>
<a name="line-45"></a><a name="getMatchRules"></a><span class='definition'>getMatchRules</span> <span class='keyglyph'>::</span> <span class='conid'>CompiledStylesheet</span> <span class='keyglyph'>-></span> <span class='keyglyph'>[</span><span class='conid'>MatchRule</span><span class='keyglyph'>]</span>
<a name="line-46"></a><span class='definition'>getMatchRules</span> <span class='layout'>(</span><span class='conid'>CompStylesheet</span> <span class='varid'>matchRules</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>matchRules</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="getNamedRules"></a><span class='definition'>getNamedRules</span> <span class='keyglyph'>::</span> <span class='conid'>CompiledStylesheet</span> <span class='keyglyph'>-></span> <span class='layout'>(</span><span class='conid'>Map</span> <span class='conid'>ExName</span> <span class='conid'>NamedRule</span><span class='layout'>)</span>
<a name="line-49"></a><span class='definition'>getNamedRules</span> <span class='layout'>(</span><span class='conid'>CompStylesheet</span> <span class='keyword'>_</span> <span class='varid'>namedRules</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>namedRules</span>
<a name="line-50"></a>
<a name="line-51"></a><a name="getVariables"></a><span class='definition'>getVariables</span> <span class='keyglyph'>::</span> <span class='conid'>CompiledStylesheet</span> <span class='keyglyph'>-></span> <span class='layout'>(</span><span class='conid'>Map</span> <span class='conid'>ExName</span> <span class='conid'>Variable</span><span class='layout'>)</span>
<a name="line-52"></a><span class='definition'>getVariables</span> <span class='layout'>(</span><span class='conid'>CompStylesheet</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='varid'>variables</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>variables</span>
<a name="line-53"></a>
<a name="line-54"></a><a name="getAttributeSets"></a><span class='definition'>getAttributeSets</span> <span class='keyglyph'>::</span> <span class='conid'>CompiledStylesheet</span> <span class='keyglyph'>-></span> <span class='conid'>Map</span> <span class='conid'>ExName</span> <span class='keyglyph'>[</span><span class='conid'>AttributeSet</span><span class='keyglyph'>]</span>
<a name="line-55"></a><span class='definition'>getAttributeSets</span> <span class='layout'>(</span><span class='conid'>CompStylesheet</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='varid'>attrSets</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>attrSets</span>
<a name="line-56"></a>
<a name="line-57"></a><a name="getStrips"></a><span class='definition'>getStrips</span> <span class='keyglyph'>::</span> <span class='conid'>CompiledStylesheet</span> <span class='keyglyph'>-></span> <span class='keyglyph'>[</span><span class='conid'>Strips</span><span class='keyglyph'>]</span>
<a name="line-58"></a><span class='definition'>getStrips</span> <span class='layout'>(</span><span class='conid'>CompStylesheet</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='varid'>strips</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>strips</span>
<a name="line-59"></a>
<a name="line-60"></a><a name="getAliases"></a><span class='definition'>getAliases</span> <span class='keyglyph'>::</span> <span class='conid'>CompiledStylesheet</span> <span class='keyglyph'>-></span> <span class='conid'>NSAliasing</span>
<a name="line-61"></a><span class='definition'>getAliases</span> <span class='layout'>(</span><span class='conid'>CompStylesheet</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='varid'>aliases</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>aliases</span>
<a name="line-62"></a>
<a name="line-63"></a><span class='comment'>-- -------------------</span>
<a name="line-64"></a><span class='comment'>-- Match-Rules:</span>
<a name="line-65"></a>
<a name="line-66"></a><a name="MatchRule"></a><span class='keyword'>data</span> <span class='conid'>MatchRule</span> <span class='keyglyph'>=</span>
<a name="line-67"></a> <span class='conid'>MatRule</span> <span class='conid'>MatchExpr</span>
<a name="line-68"></a> <span class='conid'>Float</span> <span class='comment'>-- priority</span>
<a name="line-69"></a> <span class='layout'>(</span><span class='conid'>Maybe</span> <span class='conid'>ExName</span><span class='layout'>)</span> <span class='comment'>-- mode</span>
<a name="line-70"></a> <span class='keyglyph'>[</span><span class='conid'>MatchRule</span><span class='keyglyph'>]</span> <span class='comment'>-- Imported rules only for xsl:apply-imports</span>
<a name="line-71"></a> <span class='keyglyph'>[</span><span class='conid'>Variable</span><span class='keyglyph'>]</span> <span class='comment'>-- xsl:param list</span>
<a name="line-72"></a> <span class='conid'>Template</span> <span class='comment'>-- content</span>
<a name="line-73"></a> <span class='comment'>--deriving Show -- output of imported Rules makes it unreadable</span>
<a name="line-74"></a>
<a name="line-75"></a><span class='keyword'>instance</span> <span class='conid'>Show</span> <span class='conid'>MatchRule</span> <span class='keyword'>where</span>
<a name="line-76"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>MatRule</span> <span class='varid'>expr</span> <span class='varid'>prio</span> <span class='varid'>mode</span> <span class='varid'>imprules</span> <span class='varid'>params</span> <span class='varid'>content</span><span class='layout'>)</span>
<a name="line-77"></a> <span class='keyglyph'>=</span> <span class='str'>"MkRule expr: "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>expr</span> <span class='varop'>++</span> <span class='str'>"\n prio: "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>prio</span> <span class='varop'>++</span> <span class='str'>"\n mode: "</span><span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>mode</span>
<a name="line-78"></a> <span class='varop'>++</span> <span class='str'>"\n no. imported rules: "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='layout'>(</span><span class='varid'>length</span> <span class='varid'>imprules</span><span class='layout'>)</span> <span class='varop'>++</span> <span class='str'>"\n xsl-params: "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>params</span>
<a name="line-79"></a> <span class='varop'>++</span> <span class='str'>"\n content: "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>content</span> <span class='varop'>++</span><span class='str'>"\n"</span>
<a name="line-80"></a>
<a name="line-81"></a><a name="getRulePrio"></a><span class='definition'>getRulePrio</span> <span class='keyglyph'>::</span> <span class='conid'>MatchRule</span> <span class='keyglyph'>-></span> <span class='conid'>Float</span>
<a name="line-82"></a><span class='definition'>getRulePrio</span> <span class='layout'>(</span><span class='conid'>MatRule</span> <span class='keyword'>_</span> <span class='varid'>prio</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>prio</span>
<a name="line-83"></a>
<a name="line-84"></a><a name="getRuleMode"></a><span class='definition'>getRuleMode</span> <span class='keyglyph'>::</span> <span class='conid'>MatchRule</span> <span class='keyglyph'>-></span> <span class='conid'>Maybe</span> <span class='conid'>ExName</span>
<a name="line-85"></a><span class='definition'>getRuleMode</span> <span class='layout'>(</span><span class='conid'>MatRule</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='varid'>mode</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>mode</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="getRuleImports"></a><span class='definition'>getRuleImports</span> <span class='keyglyph'>::</span> <span class='conid'>MatchRule</span> <span class='keyglyph'>-></span> <span class='keyglyph'>[</span><span class='conid'>MatchRule</span><span class='keyglyph'>]</span>
<a name="line-88"></a><span class='definition'>getRuleImports</span> <span class='layout'>(</span><span class='conid'>MatRule</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='keyword'>_</span> <span class='varid'>imports</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>imports</span>
<a name="line-89"></a>
<a name="line-90"></a><span class='comment'>-- -------------------</span>
<a name="line-91"></a><span class='comment'>-- Named-Rules:</span>
<a name="line-92"></a>
<a name="line-93"></a><a name="NamedRule"></a><span class='keyword'>data</span> <span class='conid'>NamedRule</span> <span class='keyglyph'>=</span> <span class='conid'>NamRule</span> <span class='conid'>ExName</span> <span class='keyglyph'>[</span><span class='conid'>Variable</span><span class='keyglyph'>]</span> <span class='conid'>Template</span>
<a name="line-94"></a> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-95"></a>
<a name="line-96"></a><a name="getRuleName"></a><span class='definition'>getRuleName</span> <span class='keyglyph'>::</span> <span class='conid'>NamedRule</span> <span class='keyglyph'>-></span> <span class='conid'>ExName</span>
<a name="line-97"></a><span class='definition'>getRuleName</span> <span class='layout'>(</span><span class='conid'>NamRule</span> <span class='varid'>name</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>name</span>
<a name="line-98"></a>
<a name="line-99"></a><span class='comment'>-- -------------------</span>
<a name="line-100"></a><span class='comment'>-- Variables </span>
<a name="line-101"></a>
<a name="line-102"></a><a name="Variable"></a><span class='keyword'>data</span> <span class='conid'>Variable</span> <span class='keyglyph'>=</span> <span class='conid'>MkVar</span>
<a name="line-103"></a> <span class='conid'>Bool</span> <span class='comment'>-- modus: False => xsl:variable, True => xsl:param</span>
<a name="line-104"></a> <span class='conid'>ExName</span> <span class='comment'>-- name</span>
<a name="line-105"></a> <span class='layout'>(</span><span class='conid'>Either</span> <span class='conid'>Expr</span> <span class='conid'>Template</span><span class='layout'>)</span> <span class='comment'>-- select-expression or result tree fragment</span>
<a name="line-106"></a> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-107"></a>
<a name="line-108"></a><a name="getVarName"></a><span class='definition'>getVarName</span> <span class='keyglyph'>::</span> <span class='conid'>Variable</span> <span class='keyglyph'>-></span> <span class='conid'>ExName</span>
<a name="line-109"></a><span class='definition'>getVarName</span> <span class='layout'>(</span><span class='conid'>MkVar</span> <span class='keyword'>_</span> <span class='varid'>name</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>name</span>
<a name="line-110"></a>
<a name="line-111"></a><a name="isParam"></a><span class='definition'>isParam</span> <span class='keyglyph'>::</span> <span class='conid'>Variable</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span>
<a name="line-112"></a><span class='definition'>isParam</span> <span class='layout'>(</span><span class='conid'>MkVar</span> <span class='varid'>isP</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>isP</span>
<a name="line-113"></a>
<a name="line-114"></a><span class='comment'>-- -------------------</span>
<a name="line-115"></a><span class='comment'>-- Attribute sets:</span>
<a name="line-116"></a>
<a name="line-117"></a><a name="UsedAttribSets"></a><span class='keyword'>newtype</span> <span class='conid'>UsedAttribSets</span> <span class='keyglyph'>=</span> <span class='conid'>UsedAttribSets</span> <span class='keyglyph'>[</span><span class='conid'>ExName</span><span class='keyglyph'>]</span>
<a name="line-118"></a> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-119"></a>
<a name="line-120"></a><a name="AttributeSet"></a><span class='keyword'>data</span> <span class='conid'>AttributeSet</span> <span class='keyglyph'>=</span> <span class='conid'>AttribSet</span> <span class='conid'>ExName</span> <span class='conid'>UsedAttribSets</span> <span class='conid'>Template</span>
<a name="line-121"></a> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-122"></a>
<a name="line-123"></a><span class='comment'>-- -------------------</span>
<a name="line-124"></a><span class='comment'>-- Whitespace-stripping</span>
<a name="line-125"></a>
<a name="line-126"></a><a name="NTest"></a><span class='keyword'>type</span> <span class='conid'>NTest</span> <span class='keyglyph'>=</span> <span class='conid'>ExName</span>
<a name="line-127"></a>
<a name="line-128"></a><a name="parseNTest"></a><span class='definition'>parseNTest</span> <span class='keyglyph'>::</span> <span class='conid'>UriMapping</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>NTest</span>
<a name="line-129"></a><span class='definition'>parseNTest</span> <span class='keyglyph'>=</span> <span class='varid'>parseExName</span>
<a name="line-130"></a>
<a name="line-131"></a><a name="Strips"></a><span class='keyword'>type</span> <span class='conid'>Strips</span> <span class='keyglyph'>=</span> <span class='conid'>Map</span> <span class='conid'>NTest</span> <span class='conid'>Bool</span>
<a name="line-132"></a>
<a name="line-133"></a><span class='comment'>-- Lookup whether an element of the source document must be stripped.</span>
<a name="line-134"></a><span class='comment'>-- Strip descriptions are ordered by descending import precedence:</span>
<a name="line-135"></a>
<a name="line-136"></a><a name="lookupStrip"></a><span class='definition'>lookupStrip</span> <span class='keyglyph'>::</span> <span class='conid'>ExName</span> <span class='keyglyph'>-></span> <span class='keyglyph'>[</span><span class='conid'>Strips</span><span class='keyglyph'>]</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span>
<a name="line-137"></a><span class='definition'>lookupStrip</span> <span class='varid'>name</span>
<a name="line-138"></a> <span class='keyglyph'>=</span> <span class='varid'>head</span> <span class='varop'>.</span> <span class='layout'>(</span><span class='varop'>++</span> <span class='keyglyph'>[</span><span class='conid'>False</span><span class='keyglyph'>]</span><span class='layout'>)</span> <span class='varop'>.</span> <span class='varid'>mapMaybe</span> <span class='layout'>(</span><span class='varid'>lookupStrip1</span> <span class='varid'>name</span><span class='layout'>)</span>
<a name="line-139"></a>
<a name="line-140"></a><span class='comment'>-- Try to match a qualified name with a set of strip- and preserve-space attributes of the same import precedence:</span>
<a name="line-141"></a>
<a name="line-142"></a><a name="lookupStrip1"></a><span class='definition'>lookupStrip1</span> <span class='keyglyph'>::</span> <span class='conid'>ExName</span> <span class='keyglyph'>-></span> <span class='conid'>Strips</span> <span class='keyglyph'>-></span> <span class='conid'>Maybe</span> <span class='conid'>Bool</span>
<a name="line-143"></a><span class='definition'>lookupStrip1</span> <span class='varid'>name</span> <span class='varid'>spec</span> <span class='keyglyph'>=</span>
<a name="line-144"></a> <span class='keyword'>if</span> <span class='varid'>isJust</span> <span class='varid'>nameMatch</span> <span class='keyword'>then</span> <span class='varid'>nameMatch</span>
<a name="line-145"></a> <span class='keyword'>else</span> <span class='keyword'>if</span> <span class='varid'>isJust</span> <span class='varid'>prefMatch</span> <span class='keyword'>then</span> <span class='varid'>prefMatch</span>
<a name="line-146"></a> <span class='keyword'>else</span> <span class='keyword'>if</span> <span class='varid'>isJust</span> <span class='varid'>globMatch</span> <span class='keyword'>then</span> <span class='varid'>globMatch</span>
<a name="line-147"></a> <span class='keyword'>else</span> <span class='conid'>Nothing</span>
<a name="line-148"></a> <span class='keyword'>where</span>
<a name="line-149"></a> <span class='varid'>nameMatch</span> <span class='keyglyph'>=</span> <span class='conid'>Map</span><span class='varop'>.</span><span class='varid'>lookup</span> <span class='layout'>(</span> <span class='varid'>name</span> <span class='layout'>)</span> <span class='varid'>spec</span>
<a name="line-150"></a> <span class='varid'>prefMatch</span> <span class='keyglyph'>=</span> <span class='conid'>Map</span><span class='varop'>.</span><span class='varid'>lookup</span> <span class='layout'>(</span><span class='conid'>ExName</span> <span class='str'>"*"</span> <span class='varop'>$</span> <span class='varid'>exUri</span> <span class='varid'>name</span><span class='layout'>)</span> <span class='varid'>spec</span>
<a name="line-151"></a> <span class='varid'>globMatch</span> <span class='keyglyph'>=</span> <span class='conid'>Map</span><span class='varop'>.</span><span class='varid'>lookup</span> <span class='layout'>(</span><span class='conid'>ExName</span> <span class='str'>"*"</span> <span class='str'>""</span> <span class='layout'>)</span> <span class='varid'>spec</span>
<a name="line-152"></a>
<a name="line-153"></a><a name="feedSpaces"></a><span class='definition'>feedSpaces</span> <span class='keyglyph'>::</span> <span class='conid'>Bool</span> <span class='keyglyph'>-></span> <span class='keyglyph'>[</span><span class='conid'>NTest</span><span class='keyglyph'>]</span> <span class='keyglyph'>-></span> <span class='conid'>Strips</span> <span class='keyglyph'>-></span> <span class='conid'>Strips</span>
<a name="line-154"></a><span class='definition'>feedSpaces</span> <span class='varid'>strip</span> <span class='varid'>tests</span> <span class='keyglyph'>=</span>
<a name="line-155"></a> <span class='conid'>Map</span><span class='varop'>.</span><span class='varid'>unionWithKey</span> <span class='varid'>feedErr</span> <span class='varop'>$</span> <span class='conid'>Map</span><span class='varop'>.</span><span class='varid'>fromListWithKey</span> <span class='varid'>feedErr</span> <span class='varop'>$</span> <span class='varid'>zip</span> <span class='varid'>tests</span> <span class='varop'>$</span> <span class='varid'>repeat</span> <span class='varid'>strip</span>
<a name="line-156"></a> <span class='keyword'>where</span>
<a name="line-157"></a> <span class='varid'>feedErr</span> <span class='varid'>k</span> <span class='keyglyph'>=</span> <span class='varid'>error</span> <span class='varop'>$</span> <span class='str'>"Ambiguous strip- or preserve-space rules for "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>k</span>
<a name="line-158"></a>
<a name="line-159"></a><a name="feedStrips"></a><span class='definition'>feedStrips</span><span class='layout'>,</span> <span class='varid'>feedPreserves</span> <span class='keyglyph'>::</span> <span class='keyglyph'>[</span><span class='conid'>NTest</span><span class='keyglyph'>]</span> <span class='keyglyph'>-></span> <span class='conid'>Strips</span> <span class='keyglyph'>-></span> <span class='conid'>Strips</span>
<a name="line-160"></a><span class='definition'>feedStrips</span> <span class='keyglyph'>=</span> <span class='varid'>feedSpaces</span> <span class='conid'>True</span>
<a name="line-161"></a><a name="feedPreserves"></a><span class='definition'>feedPreserves</span> <span class='keyglyph'>=</span> <span class='varid'>feedSpaces</span> <span class='conid'>False</span>
<a name="line-162"></a>
<a name="line-163"></a><a name="stripDocument"></a><span class='definition'>stripDocument</span> <span class='keyglyph'>::</span> <span class='keyglyph'>[</span><span class='conid'>Strips</span><span class='keyglyph'>]</span> <span class='keyglyph'>-></span> <span class='conid'>XmlTree</span> <span class='keyglyph'>-></span> <span class='conid'>XmlTree</span>
<a name="line-164"></a><span class='definition'>stripDocument</span> <span class='varid'>strips</span>
<a name="line-165"></a> <span class='keyglyph'>=</span> <span class='varid'>stripSpaces</span> <span class='layout'>(</span><span class='keyglyph'>\</span><span class='keyword'>_</span> <span class='varid'>n</span> <span class='keyglyph'>-></span> <span class='varid'>lookupStrip</span> <span class='layout'>(</span><span class='varid'>mkExName</span> <span class='varop'>$</span> <span class='varid'>fromJust</span> <span class='varop'>$</span> <span class='varid'>getElemName</span> <span class='varid'>n</span><span class='layout'>)</span> <span class='varid'>strips</span><span class='layout'>)</span> <span class='conid'>False</span>
<a name="line-166"></a>
<a name="line-167"></a><a name="stripStylesheet"></a><span class='definition'>stripStylesheet</span> <span class='keyglyph'>::</span> <span class='conid'>XmlTree</span> <span class='keyglyph'>-></span> <span class='conid'>XmlTree</span>
<a name="line-168"></a><span class='definition'>stripStylesheet</span>
<a name="line-169"></a> <span class='keyglyph'>=</span> <span class='varid'>stripSpaces</span> <span class='varid'>isStrip</span> <span class='conid'>True</span>
<a name="line-170"></a> <span class='keyword'>where</span>
<a name="line-171"></a> <span class='varid'>isStrip</span> <span class='varid'>strip'</span> <span class='varid'>node</span>
<a name="line-172"></a> <span class='keyglyph'>=</span> <span class='varid'>not</span> <span class='layout'>(</span><span class='varid'>isElemType</span> <span class='varid'>xsltText</span> <span class='varid'>node</span><span class='layout'>)</span>
<a name="line-173"></a> <span class='varop'>&&</span>
<a name="line-174"></a> <span class='layout'>(</span> <span class='varid'>maybe</span> <span class='varid'>strip'</span> <span class='layout'>(</span><span class='varop'>==</span><span class='str'>"default"</span><span class='layout'>)</span> <span class='varop'>$</span> <span class='varid'>tryFetchAttribute</span> <span class='varid'>node</span> <span class='varid'>xmlSpace</span> <span class='layout'>)</span>
<a name="line-175"></a>
<a name="line-176"></a><a name="stripSpaces"></a><span class='definition'>stripSpaces</span> <span class='keyglyph'>::</span> <span class='layout'>(</span><span class='conid'>Bool</span> <span class='keyglyph'>-></span> <span class='conid'>XNode</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span> <span class='keyglyph'>-></span> <span class='conid'>XmlTree</span> <span class='keyglyph'>-></span> <span class='conid'>XmlTree</span>
<a name="line-177"></a><span class='definition'>stripSpaces</span> <span class='varid'>f</span> <span class='varid'>def</span> <span class='keyglyph'>=</span>
<a name="line-178"></a> <span class='varid'>fromJustErr</span> <span class='str'>"stripSpaces (internal error)"</span> <span class='varop'>.</span> <span class='varid'>filterTreeCtx</span> <span class='varid'>step</span> <span class='varid'>def</span>
<a name="line-179"></a> <span class='keyword'>where</span>
<a name="line-180"></a> <span class='varid'>step</span> <span class='varid'>strip</span> <span class='varid'>node</span>
<a name="line-181"></a> <span class='keyglyph'>|</span> <span class='varid'>isElem</span> <span class='varid'>node</span> <span class='keyglyph'>=</span> <span class='layout'>(</span><span class='varid'>f</span> <span class='varid'>strip</span> <span class='varid'>node</span><span class='layout'>,</span> <span class='conid'>True</span><span class='layout'>)</span>
<a name="line-182"></a> <span class='keyglyph'>|</span> <span class='varid'>isWhitespaceNode</span> <span class='varid'>node</span> <span class='keyglyph'>=</span> <span class='layout'>(</span><span class='varid'>strip</span> <span class='layout'>,</span> <span class='varid'>not</span> <span class='varid'>strip</span><span class='layout'>)</span>
<a name="line-183"></a> <span class='keyglyph'>|</span> <span class='varid'>otherwise</span> <span class='keyglyph'>=</span> <span class='layout'>(</span><span class='varid'>strip</span> <span class='layout'>,</span> <span class='conid'>True</span><span class='layout'>)</span>
<a name="line-184"></a>
<a name="line-185"></a><span class='comment'>-- -------------------</span>
<a name="line-186"></a><span class='comment'>-- Namespace aliases and exclusion</span>
<a name="line-187"></a>
<a name="line-188"></a><span class='comment'>-- Map a namespace URI to a new URI tuple,</span>
<a name="line-189"></a>
<a name="line-190"></a><a name="NSAliasing"></a><span class='keyword'>type</span> <span class='conid'>NSAliasing</span> <span class='keyglyph'>=</span> <span class='conid'>Map</span> <span class='conid'>String</span> <span class='conid'>String</span>
<a name="line-191"></a>
<a name="line-192"></a><a name="addAlias"></a><span class='definition'>addAlias</span> <span class='keyglyph'>::</span> <span class='conid'>UriMapping</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>NSAliasing</span> <span class='keyglyph'>-></span> <span class='conid'>NSAliasing</span>
<a name="line-193"></a><span class='definition'>addAlias</span> <span class='varid'>uris</span> <span class='varid'>oldPr</span> <span class='varid'>newPr</span>
<a name="line-194"></a> <span class='keyglyph'>=</span> <span class='conid'>Map</span><span class='varop'>.</span><span class='varid'>insertWith</span> <span class='layout'>(</span><span class='varid'>error</span> <span class='varop'>$</span> <span class='str'>"duplicate mapping for "</span> <span class='varop'>++</span> <span class='varid'>old</span><span class='layout'>)</span> <span class='varid'>old</span> <span class='varid'>new</span>
<a name="line-195"></a> <span class='keyword'>where</span>
<a name="line-196"></a> <span class='varid'>old</span> <span class='keyglyph'>=</span> <span class='varid'>lookupPrefix</span> <span class='varid'>uris</span> <span class='varid'>oldPr</span>
<a name="line-197"></a> <span class='varid'>new</span> <span class='keyglyph'>=</span> <span class='varid'>lookupPrefix</span> <span class='varid'>uris</span> <span class='varid'>newPr</span>
<a name="line-198"></a>
<a name="line-199"></a><span class='comment'>-- lookup an alias in a namespace-mapping.</span>
<a name="line-200"></a><span class='comment'>-- returns the original name, if there is no alias for that name.</span>
<a name="line-201"></a>
<a name="line-202"></a><a name="lookupAlias"></a><span class='definition'>lookupAlias</span> <span class='keyglyph'>::</span> <span class='conid'>NSAliasing</span> <span class='keyglyph'>-></span> <span class='conid'>QName</span> <span class='keyglyph'>-></span> <span class='conid'>QName</span>
<a name="line-203"></a><span class='definition'>lookupAlias</span> <span class='varid'>nsm</span> <span class='varid'>qn</span>
<a name="line-204"></a> <span class='keyglyph'>=</span> <span class='varid'>mkQName</span> <span class='layout'>(</span><span class='varid'>namePrefix</span> <span class='varid'>qn</span><span class='layout'>)</span> <span class='layout'>(</span><span class='varid'>localPart</span> <span class='varid'>qn</span><span class='layout'>)</span>
<a name="line-205"></a> <span class='varop'>$</span> <span class='varid'>maybe</span> <span class='layout'>(</span><span class='varid'>namespaceUri</span> <span class='varid'>qn</span><span class='layout'>)</span> <span class='varid'>id</span>
<a name="line-206"></a> <span class='varop'>$</span> <span class='conid'>Map</span><span class='varop'>.</span><span class='varid'>lookup</span> <span class='layout'>(</span><span class='varid'>namespaceUri</span> <span class='varid'>qn</span><span class='layout'>)</span> <span class='varid'>nsm</span>
<a name="line-207"></a>
<a name="line-208"></a><a name="aliasUriMapping"></a><span class='definition'>aliasUriMapping</span> <span class='keyglyph'>::</span> <span class='conid'>NSAliasing</span> <span class='keyglyph'>-></span> <span class='conid'>UriMapping</span> <span class='keyglyph'>-></span> <span class='conid'>UriMapping</span>
<a name="line-209"></a><span class='definition'>aliasUriMapping</span> <span class='varid'>nsm</span> <span class='keyglyph'>=</span> <span class='conid'>Map</span><span class='varop'>.</span><span class='varid'>map</span> <span class='layout'>(</span><span class='keyglyph'>\</span><span class='varid'>uri</span> <span class='keyglyph'>-></span> <span class='conid'>Map</span><span class='varop'>.</span><span class='varid'>findWithDefault</span> <span class='varid'>uri</span> <span class='varid'>uri</span> <span class='varid'>nsm</span><span class='layout'>)</span>
<a name="line-210"></a>
<a name="line-211"></a><span class='comment'>-- -------------------</span>
<a name="line-212"></a><span class='comment'>-- Templates:</span>
<a name="line-213"></a>
<a name="line-214"></a><a name="Template"></a><span class='keyword'>data</span> <span class='conid'>Template</span>
<a name="line-215"></a> <span class='keyglyph'>=</span> <span class='conid'>TemplComposite</span> <span class='keyglyph'>[</span><span class='conid'>Template</span><span class='keyglyph'>]</span>
<a name="line-216"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplForEach</span> <span class='conid'>SelectExpr</span> <span class='keyglyph'>[</span><span class='conid'>SortKey</span><span class='keyglyph'>]</span> <span class='conid'>Template</span>
<a name="line-217"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplChoose</span> <span class='keyglyph'>[</span><span class='conid'>When</span><span class='keyglyph'>]</span> <span class='comment'>-- otherwise will be represented by <xsl:when test="true()"/> in the abstract Syntax</span>
<a name="line-218"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplMessage</span> <span class='conid'>Bool</span> <span class='comment'>-- halt?</span>
<a name="line-219"></a> <span class='conid'>Template</span> <span class='comment'>-- content </span>
<a name="line-220"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplElement</span> <span class='conid'>ComputedQName</span>
<a name="line-221"></a> <span class='conid'>UriMapping</span> <span class='comment'>-- Namespaces which *must* be added</span>
<a name="line-222"></a> <span class='conid'>UsedAttribSets</span> <span class='comment'>-- </span>
<a name="line-223"></a> <span class='conid'>Template</span> <span class='comment'>-- content</span>
<a name="line-224"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplAttribute</span> <span class='conid'>ComputedQName</span>
<a name="line-225"></a> <span class='conid'>Template</span> <span class='comment'>-- content</span>
<a name="line-226"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplText</span> <span class='conid'>String</span>
<a name="line-227"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplValueOf</span> <span class='conid'>StringExpr</span> <span class='comment'>-- select</span>
<a name="line-228"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplComment</span> <span class='conid'>Template</span>
<a name="line-229"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplProcInstr</span> <span class='conid'>StringExpr</span> <span class='comment'>-- name</span>
<a name="line-230"></a> <span class='conid'>Template</span> <span class='comment'>-- content</span>
<a name="line-231"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplApply</span> <span class='layout'>(</span><span class='conid'>Maybe</span> <span class='conid'>SelectExpr</span><span class='layout'>)</span>
<a name="line-232"></a> <span class='layout'>(</span><span class='conid'>Maybe</span> <span class='conid'>ExName</span><span class='layout'>)</span> <span class='comment'>-- mode</span>
<a name="line-233"></a> <span class='layout'>(</span><span class='conid'>Map</span> <span class='conid'>ExName</span> <span class='conid'>Variable</span><span class='layout'>)</span> <span class='comment'>-- passed arguments</span>
<a name="line-234"></a> <span class='keyglyph'>[</span><span class='conid'>SortKey</span><span class='keyglyph'>]</span>
<a name="line-235"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplApplyImports</span>
<a name="line-236"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplVariable</span> <span class='conid'>Variable</span>
<a name="line-237"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplCall</span> <span class='conid'>ExName</span> <span class='comment'>-- name</span>
<a name="line-238"></a> <span class='layout'>(</span><span class='conid'>Map</span> <span class='conid'>ExName</span> <span class='conid'>Variable</span><span class='layout'>)</span> <span class='comment'>-- passed arguments</span>
<a name="line-239"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplCopy</span> <span class='conid'>UsedAttribSets</span>
<a name="line-240"></a> <span class='conid'>Template</span>
<a name="line-241"></a> <span class='keyglyph'>|</span> <span class='conid'>TemplCopyOf</span> <span class='conid'>Expr</span>
<a name="line-242"></a> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-243"></a>
<a name="line-244"></a><a name="SortKey"></a><span class='keyword'>data</span> <span class='conid'>SortKey</span>
<a name="line-245"></a> <span class='keyglyph'>=</span> <span class='conid'>SortK</span> <span class='conid'>StringExpr</span> <span class='comment'>-- select</span>
<a name="line-246"></a> <span class='conid'>StringExpr</span> <span class='comment'>-- data-type: number or text(default)</span>
<a name="line-247"></a> <span class='conid'>StringExpr</span> <span class='comment'>-- order: ascending(default) or descending</span>
<a name="line-248"></a> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-249"></a>
<a name="line-250"></a><a name="When"></a><span class='keyword'>data</span> <span class='conid'>When</span>
<a name="line-251"></a> <span class='keyglyph'>=</span> <span class='conid'>WhenPart</span> <span class='conid'>TestExpr</span> <span class='conid'>Template</span>
<a name="line-252"></a> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-253"></a>
<a name="line-254"></a><a name="ComputedQName"></a><span class='keyword'>data</span> <span class='conid'>ComputedQName</span>
<a name="line-255"></a> <span class='keyglyph'>=</span> <span class='conid'>LiteralQName</span> <span class='conid'>QName</span>
<a name="line-256"></a> <span class='keyglyph'>|</span> <span class='conid'>CompQName</span> <span class='conid'>UriMapping</span> <span class='comment'>-- namespace-env</span>
<a name="line-257"></a> <span class='conid'>StringExpr</span> <span class='comment'>-- name</span>
<a name="line-258"></a> <span class='conid'>StringExpr</span> <span class='comment'>-- namespace</span>
<a name="line-259"></a> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-260"></a>
<a name="line-261"></a><span class='comment'>-- -------------------</span>
<a name="line-262"></a><span class='comment'>-- different kinds of expressions</span>
<a name="line-263"></a>
<a name="line-264"></a><a name="SelectExpr"></a><span class='keyword'>newtype</span> <span class='conid'>SelectExpr</span> <span class='keyglyph'>=</span> <span class='conid'>SelectExpr</span> <span class='conid'>Expr</span> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-265"></a><a name="TestExpr"></a><span class='keyword'>newtype</span> <span class='conid'>TestExpr</span> <span class='keyglyph'>=</span> <span class='conid'>TestExpr</span> <span class='conid'>Expr</span> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-266"></a><a name="StringExpr"></a><span class='keyword'>newtype</span> <span class='conid'>StringExpr</span> <span class='keyglyph'>=</span> <span class='conid'>StringExpr</span> <span class='conid'>Expr</span> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
<a name="line-267"></a><a name="MatchExpr"></a><span class='keyword'>newtype</span> <span class='conid'>MatchExpr</span> <span class='keyglyph'>=</span> <span class='conid'>MatchExpr</span> <span class='conid'>Expr</span> <span class='keyword'>deriving</span> <span class='conid'>Show</span>
</pre></body>
</html>