hxt-8.0.0: doc/hdoc/src/Text-XML-HXT-XPath-XPathToString.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.XPath.XPathToString
<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 : experimental
<a name="line-10"></a> Portability: portable
<a name="line-11"></a>
<a name="line-12"></a> Format an expression or value in tree- or string-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'>XPath</span><span class='varop'>.</span><span class='conid'>XPathToString</span>
<a name="line-19"></a> <span class='layout'>(</span> <span class='varid'>expr2XPathTree</span>
<a name="line-20"></a> <span class='layout'>,</span> <span class='varid'>xPValue2String</span>
<a name="line-21"></a> <span class='layout'>,</span> <span class='varid'>xPValue2XmlTrees</span>
<a name="line-22"></a> <span class='layout'>,</span> <span class='varid'>nt2XPathTree</span>
<a name="line-23"></a> <span class='layout'>,</span> <span class='varid'>pred2XPathTree</span>
<a name="line-24"></a> <span class='layout'>,</span> <span class='varid'>toXPathTree</span>
<a name="line-25"></a> <span class='layout'>)</span>
<a name="line-26"></a><span class='keyword'>where</span>
<a name="line-27"></a>
<a name="line-28"></a><span class='comment'>-- import Text.XML.HXT.DOM.XmlTree</span>
<a name="line-29"></a>
<a name="line-30"></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-31"></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-32"></a> <span class='layout'>(</span> <span class='varid'>mkText</span>
<a name="line-33"></a> <span class='layout'>,</span> <span class='varid'>mkError</span>
<a name="line-34"></a> <span class='layout'>)</span>
<a name="line-35"></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'>FormatXmlTree</span>
<a name="line-36"></a> <span class='layout'>(</span> <span class='varid'>formatXmlTree</span> <span class='layout'>)</span>
<a name="line-37"></a>
<a name="line-38"></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'>XPath</span><span class='varop'>.</span><span class='conid'>XPathDataTypes</span>
<a name="line-39"></a>
<a name="line-40"></a><span class='keyword'>import</span> <span class='conid'>Data</span><span class='varop'>.</span><span class='conid'>Char</span>
<a name="line-41"></a> <span class='layout'>(</span> <span class='varid'>toLower</span> <span class='layout'>)</span>
<a name="line-42"></a>
<a name="line-43"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-44"></a>
<a name="line-45"></a><a name="XPathTree"></a><span class='keyword'>type</span> <span class='conid'>XPathTree</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='conid'>String</span>
<a name="line-46"></a>
<a name="line-47"></a>
<a name="line-48"></a><a name="toXPathTree"></a><span class='comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-49"></a><span class='comment'>-- |</span>
<a name="line-50"></a><span class='comment'>-- Convert an navigable tree in a xmltree</span>
<a name="line-51"></a><span class='comment'>--</span>
<a name="line-52"></a><span class='definition'>toXPathTree</span> <span class='keyglyph'>::</span> <span class='keyglyph'>[</span><span class='conid'>NavTree</span> <span class='varid'>a</span><span class='keyglyph'>]</span> <span class='keyglyph'>-></span> <span class='keyglyph'>[</span><span class='conid'>NTree</span> <span class='varid'>a</span><span class='keyglyph'>]</span>
<a name="line-53"></a><span class='definition'>toXPathTree</span> <span class='varid'>xs</span> <span class='keyglyph'>=</span> <span class='varid'>foldr</span> <span class='layout'>(</span><span class='keyglyph'>\</span> <span class='varid'>x</span> <span class='keyglyph'>-></span> <span class='layout'>(</span><span class='varid'>subtreeNT</span> <span class='varid'>x</span> <span class='conop'>:</span><span class='layout'>)</span><span class='layout'>)</span> <span class='conid'>[]</span> <span class='varid'>xs</span>
<a name="line-54"></a>
<a name="line-55"></a><span class='comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-56"></a><span class='comment'>-- |</span>
<a name="line-57"></a><span class='comment'>-- Format a XPath-value in string representation.</span>
<a name="line-58"></a><span class='comment'>-- Text output is done by 'formatXmlTree' for node-sets (trees),</span>
<a name="line-59"></a><span class='comment'>-- all other values are represented as strings.</span>
<a name="line-60"></a><span class='comment'>--</span>
<a name="line-61"></a>
<a name="line-62"></a><a name="xPValue2String"></a><span class='definition'>xPValue2String</span> <span class='keyglyph'>::</span> <span class='conid'>XPathValue</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-63"></a><span class='definition'>xPValue2String</span> <span class='layout'>(</span><span class='conid'>XPVNode</span> <span class='varid'>ns</span><span class='layout'>)</span>
<a name="line-64"></a> <span class='keyglyph'>=</span> <span class='varid'>foldr</span> <span class='layout'>(</span><span class='keyglyph'>\</span><span class='varid'>t</span> <span class='keyglyph'>-></span> <span class='layout'>(</span><span class='layout'>(</span><span class='varid'>formatXmlTree</span> <span class='varid'>t</span> <span class='varop'>++</span> <span class='str'>"\n"</span><span class='layout'>)</span> <span class='varop'>++</span><span class='layout'>)</span><span class='layout'>)</span> <span class='str'>""</span> <span class='layout'>(</span><span class='varid'>toXPathTree</span> <span class='varid'>ns</span><span class='layout'>)</span>
<a name="line-65"></a><span class='definition'>xPValue2String</span> <span class='layout'>(</span><span class='conid'>XPVBool</span> <span class='varid'>b</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>map</span> <span class='varid'>toLower</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varid'>b</span><span class='layout'>)</span>
<a name="line-66"></a><span class='definition'>xPValue2String</span> <span class='layout'>(</span><span class='conid'>XPVNumber</span> <span class='layout'>(</span><span class='conid'>Float</span> <span class='varid'>f</span><span class='layout'>)</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='varid'>f</span>
<a name="line-67"></a><span class='definition'>xPValue2String</span> <span class='layout'>(</span><span class='conid'>XPVNumber</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='varid'>s</span>
<a name="line-68"></a><span class='definition'>xPValue2String</span> <span class='layout'>(</span><span class='conid'>XPVString</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>s</span>
<a name="line-69"></a><span class='definition'>xPValue2String</span> <span class='layout'>(</span><span class='conid'>XPVError</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>"Error: "</span> <span class='varop'>++</span> <span class='varid'>s</span>
<a name="line-70"></a>
<a name="line-71"></a><span class='comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-72"></a><span class='comment'>-- |</span>
<a name="line-73"></a><span class='comment'>-- Convert a a XPath-value into XmlTrees.</span>
<a name="line-74"></a><span class='comment'>--</span>
<a name="line-75"></a>
<a name="line-76"></a><a name="xPValue2XmlTrees"></a><span class='definition'>xPValue2XmlTrees</span> <span class='keyglyph'>::</span> <span class='conid'>XPathValue</span> <span class='keyglyph'>-></span> <span class='conid'>XmlTrees</span>
<a name="line-77"></a><span class='definition'>xPValue2XmlTrees</span> <span class='layout'>(</span><span class='conid'>XPVNode</span> <span class='varid'>ns</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>toXPathTree</span> <span class='varid'>ns</span>
<a name="line-78"></a><span class='definition'>xPValue2XmlTrees</span> <span class='layout'>(</span><span class='conid'>XPVBool</span> <span class='varid'>b</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>xtext</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varid'>b</span><span class='layout'>)</span>
<a name="line-79"></a><span class='definition'>xPValue2XmlTrees</span> <span class='layout'>(</span><span class='conid'>XPVNumber</span> <span class='layout'>(</span><span class='conid'>Float</span> <span class='varid'>f</span><span class='layout'>)</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>xtext</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varid'>f</span><span class='layout'>)</span>
<a name="line-80"></a><span class='definition'>xPValue2XmlTrees</span> <span class='layout'>(</span><span class='conid'>XPVNumber</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>xtext</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varid'>s</span><span class='layout'>)</span>
<a name="line-81"></a><span class='definition'>xPValue2XmlTrees</span> <span class='layout'>(</span><span class='conid'>XPVString</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>xtext</span> <span class='varid'>s</span>
<a name="line-82"></a><span class='definition'>xPValue2XmlTrees</span> <span class='layout'>(</span><span class='conid'>XPVError</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>xerr</span> <span class='varid'>s</span>
<a name="line-83"></a>
<a name="line-84"></a><a name="xtext"></a><span class='definition'>xtext</span><span class='layout'>,</span> <span class='varid'>xerr</span> <span class='keyglyph'>::</span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>XmlTrees</span>
<a name="line-85"></a><span class='definition'>xtext</span> <span class='keyglyph'>=</span> <span class='layout'>(</span><span class='conop'>:</span><span class='conid'>[]</span><span class='layout'>)</span> <span class='varop'>.</span> <span class='varid'>mkText</span>
<a name="line-86"></a><a name="xerr"></a><span class='definition'>xerr</span> <span class='keyglyph'>=</span> <span class='layout'>(</span><span class='conop'>:</span><span class='conid'>[]</span><span class='layout'>)</span> <span class='varop'>.</span> <span class='varid'>mkError</span> <span class='varid'>c_err</span>
<a name="line-87"></a>
<a name="line-88"></a>
<a name="line-89"></a><a name="expr2XPathTree"></a><span class='comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-90"></a><span class='comment'>-- |</span>
<a name="line-91"></a><span class='comment'>-- Format a parsed XPath-expression in tree representation.</span>
<a name="line-92"></a><span class='comment'>-- Text output is done by 'formatXmlTree'</span>
<a name="line-93"></a><span class='comment'>--</span>
<a name="line-94"></a><span class='definition'>expr2XPathTree</span> <span class='keyglyph'>::</span> <span class='conid'>Expr</span> <span class='keyglyph'>-></span> <span class='conid'>XPathTree</span>
<a name="line-95"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>GenExpr</span> <span class='varid'>op</span> <span class='varid'>ex</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varid'>op</span><span class='layout'>)</span> <span class='layout'>(</span><span class='varid'>map</span> <span class='varid'>expr2XPathTree</span> <span class='varid'>ex</span><span class='layout'>)</span>
<a name="line-96"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>NumberExpr</span> <span class='varid'>f</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varid'>f</span><span class='layout'>)</span> <span class='conid'>[]</span>
<a name="line-97"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>LiteralExpr</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='varid'>s</span> <span class='conid'>[]</span>
<a name="line-98"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>VarExpr</span> <span class='varid'>name</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='str'>"Var: "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>name</span><span class='layout'>)</span> <span class='conid'>[]</span>
<a name="line-99"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>FctExpr</span> <span class='varid'>n</span> <span class='varid'>arg</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='str'>"Fct: "</span> <span class='varop'>++</span> <span class='varid'>n</span><span class='layout'>)</span> <span class='layout'>(</span><span class='varid'>map</span> <span class='varid'>expr2XPathTree</span> <span class='varid'>arg</span><span class='layout'>)</span>
<a name="line-100"></a>
<a name="line-101"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>FilterExpr</span> <span class='conid'>[]</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='str'>""</span> <span class='conid'>[]</span>
<a name="line-102"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>FilterExpr</span> <span class='layout'>(</span><span class='varid'>primary</span><span class='conop'>:</span><span class='varid'>predicate</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-103"></a> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='str'>"FilterExpr"</span> <span class='keyglyph'>[</span><span class='varid'>expr2XPathTree</span> <span class='varid'>primary</span><span class='layout'>,</span> <span class='varid'>pred2XPathTree</span> <span class='varid'>predicate</span><span class='keyglyph'>]</span>
<a name="line-104"></a>
<a name="line-105"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>PathExpr</span> <span class='conid'>Nothing</span> <span class='layout'>(</span><span class='conid'>Just</span> <span class='varid'>lp</span><span class='layout'>)</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>locpath2XPathTree</span> <span class='varid'>lp</span>
<a name="line-106"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>PathExpr</span> <span class='layout'>(</span><span class='conid'>Just</span> <span class='varid'>fe</span><span class='layout'>)</span> <span class='layout'>(</span><span class='conid'>Just</span> <span class='varid'>lp</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-107"></a> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='str'>"PathExpr"</span> <span class='keyglyph'>[</span><span class='varid'>expr2XPathTree</span> <span class='varid'>fe</span><span class='layout'>,</span> <span class='varid'>locpath2XPathTree</span> <span class='varid'>lp</span><span class='keyglyph'>]</span>
<a name="line-108"></a><span class='definition'>expr2XPathTree</span> <span class='layout'>(</span><span class='conid'>PathExpr</span> <span class='keyword'>_</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='str'>""</span> <span class='conid'>[]</span>
<a name="line-109"></a>
<a name="line-110"></a><a name="locpath2XPathTree"></a><span class='definition'>locpath2XPathTree</span> <span class='keyglyph'>::</span> <span class='conid'>LocationPath</span> <span class='keyglyph'>-></span> <span class='conid'>XPathTree</span>
<a name="line-111"></a><span class='definition'>locpath2XPathTree</span> <span class='layout'>(</span><span class='conid'>LocPath</span> <span class='varid'>rel</span> <span class='varid'>steps</span><span class='layout'>)</span>
<a name="line-112"></a> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varid'>rel</span> <span class='varop'>++</span> <span class='str'>"LocationPath"</span><span class='layout'>)</span> <span class='layout'>(</span><span class='varid'>map</span> <span class='varid'>step2XPathTree</span> <span class='varid'>steps</span><span class='layout'>)</span>
<a name="line-113"></a>
<a name="line-114"></a>
<a name="line-115"></a><a name="step2XPathTree"></a><span class='definition'>step2XPathTree</span> <span class='keyglyph'>::</span> <span class='conid'>XStep</span> <span class='keyglyph'>-></span> <span class='conid'>XPathTree</span>
<a name="line-116"></a><span class='definition'>step2XPathTree</span> <span class='layout'>(</span><span class='conid'>Step</span> <span class='varid'>axis</span> <span class='varid'>nt</span> <span class='conid'>[]</span><span class='layout'>)</span>
<a name="line-117"></a> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varid'>axis</span><span class='layout'>)</span> <span class='keyglyph'>[</span><span class='varid'>nt2XPathTree</span> <span class='varid'>nt</span><span class='keyglyph'>]</span>
<a name="line-118"></a><span class='definition'>step2XPathTree</span> <span class='layout'>(</span><span class='conid'>Step</span> <span class='varid'>axis</span> <span class='varid'>nt</span> <span class='varid'>expr</span><span class='layout'>)</span>
<a name="line-119"></a> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varid'>axis</span><span class='layout'>)</span> <span class='keyglyph'>[</span><span class='varid'>nt2XPathTree</span> <span class='varid'>nt</span><span class='layout'>,</span> <span class='varid'>pred2XPathTree</span> <span class='varid'>expr</span><span class='keyglyph'>]</span>
<a name="line-120"></a>
<a name="line-121"></a><a name="nt2XPathTree"></a><span class='definition'>nt2XPathTree</span> <span class='keyglyph'>::</span> <span class='conid'>NodeTest</span> <span class='keyglyph'>-></span> <span class='conid'>XPathTree</span>
<a name="line-122"></a><span class='definition'>nt2XPathTree</span> <span class='layout'>(</span><span class='conid'>TypeTest</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='str'>"TypeTest: "</span><span class='varop'>++</span> <span class='varid'>typeTest2String</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='conid'>[]</span>
<a name="line-123"></a><span class='definition'>nt2XPathTree</span> <span class='layout'>(</span><span class='conid'>PI</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='str'>"TypeTest: processing-instruction("</span><span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>s</span> <span class='varop'>++</span> <span class='str'>")"</span><span class='layout'>)</span> <span class='conid'>[]</span>
<a name="line-124"></a><span class='definition'>nt2XPathTree</span> <span class='layout'>(</span><span class='conid'>NameTest</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='layout'>(</span><span class='str'>"NameTest: "</span><span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>s</span><span class='layout'>)</span> <span class='conid'>[]</span>
<a name="line-125"></a>
<a name="line-126"></a>
<a name="line-127"></a><a name="pred2XPathTree"></a><span class='definition'>pred2XPathTree</span> <span class='keyglyph'>::</span> <span class='keyglyph'>[</span><span class='conid'>Expr</span><span class='keyglyph'>]</span> <span class='keyglyph'>-></span> <span class='conid'>XPathTree</span>
<a name="line-128"></a><span class='definition'>pred2XPathTree</span> <span class='varid'>exprL</span> <span class='keyglyph'>=</span> <span class='conid'>NTree</span> <span class='str'>"Predicates"</span> <span class='layout'>(</span><span class='varid'>map</span> <span class='varid'>expr2XPathTree</span> <span class='varid'>exprL</span><span class='layout'>)</span>
<a name="line-129"></a>
<a name="line-130"></a><a name="typeTest2String"></a><span class='definition'>typeTest2String</span> <span class='keyglyph'>::</span> <span class='conid'>XPathNode</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-131"></a><span class='definition'>typeTest2String</span> <span class='conid'>XPNode</span> <span class='keyglyph'>=</span> <span class='str'>"node()"</span>
<a name="line-132"></a><span class='definition'>typeTest2String</span> <span class='conid'>XPCommentNode</span> <span class='keyglyph'>=</span> <span class='str'>"comment()"</span>
<a name="line-133"></a><span class='definition'>typeTest2String</span> <span class='conid'>XPPINode</span> <span class='keyglyph'>=</span> <span class='str'>"processing-instruction()"</span>
<a name="line-134"></a><span class='definition'>typeTest2String</span> <span class='conid'>XPTextNode</span> <span class='keyglyph'>=</span> <span class='str'>"text()"</span>
<a name="line-135"></a>
<a name="line-136"></a><span class='comment'>-- ------------------------------------------------------------</span>
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