hxt-8.0.0: doc/hdoc/src/Text-XML-HXT-DOM-FormatXmlTree.html
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<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.DOM.FormatXmlTree
<a name="line-5"></a> Copyright : Copyright (C) 2008 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 : stable
<a name="line-10"></a> Portability: portable
<a name="line-11"></a>
<a name="line-12"></a> Format a xml tree in tree representation
<a name="line-13"></a>
<a name="line-14"></a>-}</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-17"></a>
<a name="line-18"></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'>FormatXmlTree</span>
<a name="line-19"></a> <span class='layout'>(</span> <span class='varid'>formatXmlTree</span>
<a name="line-20"></a> <span class='layout'>,</span> <span class='varid'>formatXmlContents</span>
<a name="line-21"></a> <span class='layout'>)</span>
<a name="line-22"></a><span class='keyword'>where</span>
<a name="line-23"></a>
<a name="line-24"></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'>Interface</span>
<a name="line-25"></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'>ShowXml</span>
<a name="line-26"></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'>XmlNode</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'>Maybe</span>
<a name="line-29"></a>
<a name="line-30"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-31"></a>
<a name="line-32"></a>
<a name="line-33"></a><a name="formatXmlContents"></a><span class='definition'>formatXmlContents</span> <span class='keyglyph'>::</span> <span class='conid'>XmlTree</span> <span class='keyglyph'>-></span> <span class='conid'>XmlTrees</span>
<a name="line-34"></a><span class='definition'>formatXmlContents</span> <span class='varid'>t</span>
<a name="line-35"></a> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span><span class='varid'>mkText</span> <span class='layout'>(</span><span class='varid'>formatXmlTree</span> <span class='varid'>t</span><span class='layout'>)</span><span class='keyglyph'>]</span>
<a name="line-36"></a>
<a name="line-37"></a><a name="formatXmlTree"></a><span class='definition'>formatXmlTree</span> <span class='keyglyph'>::</span> <span class='conid'>XmlTree</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-38"></a><span class='definition'>formatXmlTree</span>
<a name="line-39"></a> <span class='keyglyph'>=</span> <span class='varid'>formatTree</span> <span class='varid'>xnode2String</span>
<a name="line-40"></a>
<a name="line-41"></a><a name="xnode2String"></a><span class='definition'>xnode2String</span> <span class='keyglyph'>::</span> <span class='conid'>XNode</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-42"></a><span class='definition'>xnode2String</span> <span class='varid'>n</span>
<a name="line-43"></a> <span class='keyglyph'>|</span> <span class='varid'>isElem</span> <span class='varid'>n</span>
<a name="line-44"></a> <span class='keyglyph'>=</span> <span class='str'>"XTag "</span> <span class='varop'>++</span> <span class='varid'>showName</span> <span class='varid'>n</span> <span class='varop'>++</span> <span class='varid'>showAtts</span> <span class='varid'>n</span>
<a name="line-45"></a> <span class='keyglyph'>|</span> <span class='varid'>isPi</span> <span class='varid'>n</span>
<a name="line-46"></a> <span class='keyglyph'>=</span> <span class='str'>"XPi "</span> <span class='varop'>++</span> <span class='varid'>showName</span> <span class='varid'>n</span> <span class='varop'>++</span> <span class='varid'>showAtts</span> <span class='varid'>n</span>
<a name="line-47"></a> <span class='keyglyph'>|</span> <span class='varid'>otherwise</span>
<a name="line-48"></a> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='varid'>n</span>
<a name="line-49"></a> <span class='keyword'>where</span>
<a name="line-50"></a>
<a name="line-51"></a><a name="showName"></a><span class='definition'>showName</span> <span class='keyglyph'>::</span> <span class='conid'>XNode</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-52"></a><span class='definition'>showName</span> <span class='keyglyph'>=</span> <span class='varid'>maybe</span> <span class='str'>""</span> <span class='varid'>showQn</span> <span class='varop'>.</span> <span class='varid'>getName</span>
<a name="line-53"></a>
<a name="line-54"></a><a name="showAtts"></a><span class='definition'>showAtts</span> <span class='keyglyph'>::</span> <span class='conid'>XNode</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-55"></a><span class='definition'>showAtts</span> <span class='keyglyph'>=</span> <span class='varid'>concatMap</span> <span class='varid'>showAl</span> <span class='varop'>.</span> <span class='varid'>fromMaybe</span> <span class='conid'>[]</span> <span class='varop'>.</span> <span class='varid'>getAttrl</span>
<a name="line-56"></a>
<a name="line-57"></a><a name="showAl"></a><span class='definition'>showAl</span> <span class='keyglyph'>::</span> <span class='conid'>XmlTree</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-58"></a><span class='definition'>showAl</span> <span class='varid'>t</span> <span class='comment'>-- (NTree (XAttr an) av)</span>
<a name="line-59"></a> <span class='keyglyph'>|</span> <span class='varid'>isAttr</span> <span class='varid'>t</span>
<a name="line-60"></a> <span class='keyglyph'>=</span> <span class='str'>"\n| "</span> <span class='varop'>++</span> <span class='layout'>(</span><span class='varid'>maybe</span> <span class='str'>""</span> <span class='varid'>showQn</span> <span class='varop'>.</span> <span class='varid'>getName</span> <span class='varop'>$</span> <span class='varid'>t</span><span class='layout'>)</span> <span class='varop'>++</span> <span class='str'>"="</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='layout'>(</span><span class='varid'>xshow</span> <span class='varop'>.</span> <span class='varid'>getChildren</span> <span class='varop'>$</span> <span class='varid'>t</span><span class='layout'>)</span>
<a name="line-61"></a> <span class='keyglyph'>|</span> <span class='varid'>otherwise</span>
<a name="line-62"></a> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='varid'>t</span>
<a name="line-63"></a>
<a name="line-64"></a><a name="showQn"></a><span class='definition'>showQn</span> <span class='keyglyph'>::</span> <span class='conid'>QName</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-65"></a><span class='definition'>showQn</span> <span class='varid'>n</span>
<a name="line-66"></a> <span class='keyglyph'>|</span> <span class='varid'>null</span> <span class='varid'>ns</span>
<a name="line-67"></a> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='varop'>$</span> <span class='varid'>qualifiedName</span> <span class='varid'>n</span>
<a name="line-68"></a> <span class='keyglyph'>|</span> <span class='varid'>otherwise</span>
<a name="line-69"></a> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='varop'>$</span> <span class='str'>"{"</span> <span class='varop'>++</span> <span class='varid'>ns</span> <span class='varop'>++</span> <span class='str'>"}"</span> <span class='varop'>++</span> <span class='varid'>qualifiedName</span> <span class='varid'>n</span>
<a name="line-70"></a> <span class='keyword'>where</span>
<a name="line-71"></a> <span class='varid'>ns</span> <span class='keyglyph'>=</span> <span class='varid'>namespaceUri</span> <span class='varid'>n</span>
<a name="line-72"></a>
<a name="line-73"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-74"></a>
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