hxt-8.0.0: doc/hdoc/src/Text-XML-HXT-DOM-Namespace.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><span class='comment'>-- main namespace filter for propagation, checking, tracing and error handling</span>
<a name="line-3"></a><span class='comment'>--</span>
<a name="line-4"></a><span class='comment'>-- $Id: Namespace.hs,v 1.3 2005/01/06 10:48:07 hxml Exp $</span>
<a name="line-5"></a><span class='comment'>--</span>
<a name="line-6"></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'>DOM</span><span class='varop'>.</span><span class='conid'>Namespace</span>
<a name="line-7"></a> <span class='layout'>(</span> <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'>DOM</span><span class='varop'>.</span><span class='conid'>Namespace</span>
<a name="line-8"></a> <span class='layout'>,</span> <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'>DOM</span><span class='varop'>.</span><span class='conid'>NamespaceFilter</span>
<a name="line-9"></a> <span class='layout'>)</span>
<a name="line-10"></a><span class='keyword'>where</span>
<a name="line-11"></a>
<a name="line-12"></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'>DOM</span><span class='varop'>.</span><span class='conid'>XmlTree</span>
<a name="line-13"></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'>DOM</span><span class='varop'>.</span><span class='conid'>XmlState</span>
<a name="line-14"></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'>DOM</span><span class='varop'>.</span><span class='conid'>NamespaceFilter</span>
<a name="line-15"></a>
<a name="line-16"></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'>Parser</span><span class='varop'>.</span><span class='conid'>XmlOutput</span>
<a name="line-17"></a> <span class='layout'>(</span> <span class='varid'>traceTree</span>
<a name="line-18"></a> <span class='layout'>,</span> <span class='varid'>traceSource</span>
<a name="line-19"></a> <span class='layout'>,</span> <span class='varid'>traceMsg</span>
<a name="line-20"></a> <span class='layout'>)</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-23"></a>
<a name="line-24"></a><span class='comment'>-- |</span>
<a name="line-25"></a><span class='comment'>-- propagate all namespace declarations, check namespace constraints and issue errors.</span>
<a name="line-26"></a><span class='comment'>-- If no error was found, result is the unchanged input tree, else the root node \"\/\" with an empty document is returned.</span>
<a name="line-27"></a><span class='comment'>--</span>
<a name="line-28"></a><span class='comment'>-- see also : 'propagateNamespaces', 'validateNamespaces'</span>
<a name="line-29"></a>
<a name="line-30"></a><a name="propagateAndValidateNamespaces"></a><span class='definition'>propagateAndValidateNamespaces</span> <span class='keyglyph'>::</span> <span class='conid'>XmlStateFilter</span> <span class='varid'>a</span>
<a name="line-31"></a><span class='definition'>propagateAndValidateNamespaces</span>
<a name="line-32"></a> <span class='keyglyph'>=</span> <span class='varid'>traceMsg</span> <span class='num'>2</span> <span class='str'>"propagating namespaces"</span>
<a name="line-33"></a> <span class='varop'>.>></span>
<a name="line-34"></a> <span class='varid'>liftMf</span> <span class='varid'>propagateNamespaces</span>
<a name="line-35"></a> <span class='varop'>.>></span>
<a name="line-36"></a> <span class='varid'>traceTree</span>
<a name="line-37"></a> <span class='varop'>.>></span>
<a name="line-38"></a> <span class='varid'>traceSource</span>
<a name="line-39"></a> <span class='varop'>.>></span>
<a name="line-40"></a> <span class='varid'>traceMsg</span> <span class='num'>2</span> <span class='str'>"validating namespaces"</span>
<a name="line-41"></a> <span class='varop'>.>></span>
<a name="line-42"></a> <span class='varid'>validate</span>
<a name="line-43"></a> <span class='keyword'>where</span>
<a name="line-44"></a> <span class='varid'>validate</span> <span class='keyglyph'>::</span> <span class='conid'>XmlStateFilter</span> <span class='varid'>a</span>
<a name="line-45"></a> <span class='varid'>validate</span> <span class='varid'>t</span>
<a name="line-46"></a> <span class='keyglyph'>=</span> <span class='keyword'>let</span>
<a name="line-47"></a> <span class='varid'>errs</span> <span class='keyglyph'>=</span> <span class='varid'>validateNamespaces</span> <span class='varid'>t</span>
<a name="line-48"></a> <span class='keyword'>in</span> <span class='keyword'>if</span> <span class='varid'>null</span> <span class='varid'>errs</span>
<a name="line-49"></a> <span class='keyword'>then</span> <span class='varid'>thisM</span> <span class='varid'>t</span>
<a name="line-50"></a> <span class='keyword'>else</span> <span class='keyword'>do</span>
<a name="line-51"></a> <span class='varid'>liftF</span> <span class='varid'>this</span> <span class='varop'>$$<</span> <span class='varid'>errs</span>
<a name="line-52"></a> <span class='varid'>return</span> <span class='layout'>(</span><span class='varid'>setStatus</span> <span class='varid'>c_err</span> <span class='str'>"namespace propagation"</span> <span class='varid'>t</span><span class='layout'>)</span>
<a name="line-53"></a>
<a name="line-54"></a><span class='comment'>-- -----------------------------------------------------------------------------</span>
</pre></body>
</html>