doc/xslt/slides/keynote/xsltsl/node.xsl

   1 <?xml version="1.0"?>
   2
   3 <xsl:stylesheet version="1.0"
   4         xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   5         xmlns:doc="http://xsltsl.org/xsl/documentation/1.0"
   6         xmlns:node="http://xsltsl.org/node"
   7         extension-element-prefixes="doc node">
   8
   9   <doc:reference xmlns="">
  10     <referenceinfo>
  11       <releaseinfo role="meta">
  12         $Id: node.xsl 3991 2004-11-10 06:51:55Z balls $
  13       </releaseinfo>
  14       <author>
  15         <surname>Ball</surname>
  16         <firstname>Steve</firstname>
  17       </author>
  18       <copyright>
  19         <year>2001</year>
  20         <holder>Steve Ball</holder>
  21       </copyright>
  22     </referenceinfo>
  23
  24     <title>Node Templates</title>
  25
  26     <partintro>
  27       <section>
  28         <title>Introduction</title>
  29
  30         <para>This stylesheet module provides functions for reporting on or manipulating nodes and nodesets.</para>
  31
  32       </section>
  33     </partintro>
  34
  35   </doc:reference>
  36
  37   <doc:template name="node:xpath" xmlns="">
  38     <refpurpose>Returns an XPath location path</refpurpose>
  39
  40     <refdescription>
  41       <para>This template returns an XPath location path that uniquely identifies the given node within the document.</para>
  42     </refdescription>
  43
  44     <refparameter>
  45       <variablelist>
  46         <varlistentry>
  47           <term>node</term>
  48           <listitem>
  49             <para>The node to create an XPath for.  If this parameter is given as a nodeset, then the first node in the nodeset is used.</para>
  50           </listitem>
  51         </varlistentry>
  52       </variablelist>
  53     </refparameter>
  54
  55     <refreturn>
  56       <para>Returns an XPath location path as a string.</para>
  57     </refreturn>
  58   </doc:template>
  59
  60   <xsl:template name="node:xpath">
  61     <xsl:param name="node" select="."/>
  62
  63     <xsl:choose>
  64
  65       <xsl:when test="$node">
  66
  67         <xsl:for-each select="$node[1]/ancestor-or-self::*">
  68           <xsl:text/>/<xsl:value-of select="name()"/>
  69           <xsl:text/>[<xsl:value-of select="count(preceding-sibling::*[name() = name(current())]) + 1"/>]<xsl:text/>
  70         </xsl:for-each>
  71
  72         <xsl:choose>
  73
  74           <xsl:when test="$node[1]/self::comment()">
  75             <xsl:text>/comment()</xsl:text>
  76             <xsl:text/>[<xsl:value-of select="count($node[1]/preceding-sibling::comment()) + 1" />]<xsl:text/>
  77           </xsl:when>
  78
  79           <xsl:when test="$node[1]/self::processing-instruction()">
  80             <xsl:text>/processing-instruction()</xsl:text>
  81             <xsl:text/>[<xsl:value-of select="count($node[1]/preceding-sibling::processing-instruction()) + 1" />]<xsl:text/>
  82           </xsl:when>
  83
  84           <xsl:when test="$node[1]/self::text()">
  85             <xsl:text>/text()</xsl:text>
  86             <xsl:text/>[<xsl:value-of select="count($node[1]/preceding-sibling::text()) + 1" />]<xsl:text/>
  87           </xsl:when>
  88
  89           <xsl:when test="not($node[1]/..)">
  90             <xsl:text>/</xsl:text>
  91           </xsl:when>
  92
  93           <xsl:when test="count($node[1]/../namespace::* | $node[1]) = count($node[1]/../namespace::*)">
  94             <xsl:text/>/namespace::<xsl:value-of select="name($node[1])" />
  95           </xsl:when>
  96
  97           <xsl:when test="count($node[1]/../@* | $node[1]) = count($node[1]/../@*)">
  98             <xsl:text/>/@<xsl:value-of select="name($node[1])" />
  99           </xsl:when>
 100
 101         </xsl:choose>
 102       </xsl:when>
 103
 104       <xsl:otherwise>
 105         <xsl:text>/..</xsl:text>
 106       </xsl:otherwise>
 107
 108     </xsl:choose>
 109
 110   </xsl:template>
 111
 112   <doc:template name="node:type" xmlns="">
 113     <refpurpose>Return node type</refpurpose>
 114
 115     <refdescription>
 116       <para>Returns the type of a node as a string.</para>
 117     </refdescription>
 118
 119     <refparameter>
 120       <variablelist>
 121         <varlistentry>
 122           <term>node</term>
 123           <listitem>
 124             <para>The node to get the type for.  If this parameter is given as a nodeset, then the first node in the nodeset is used.</para>
 125           </listitem>
 126         </varlistentry>
 127       </variablelist>
 128     </refparameter>
 129
 130     <refreturn>
 131       <para>Returns node type as a string.  Values returned are:</para>
 132       <variablelist>
 133         <varlistentry>
 134           <term>Element</term>
 135           <listitem>
 136             <para><literal>element</literal></para>
 137           </listitem>
 138         </varlistentry>
 139         <varlistentry>
 140           <term>Text Node</term>
 141           <listitem>
 142             <para><literal>text</literal></para>
 143           </listitem>
 144         </varlistentry>
 145         <varlistentry>
 146           <term>Comment</term>
 147           <listitem>
 148             <para><literal>comment</literal></para>
 149           </listitem>
 150         </varlistentry>
 151         <varlistentry>
 152           <term>Processing Instruction</term>
 153           <listitem>
 154             <para><literal>processing instruction</literal></para>
 155           </listitem>
 156         </varlistentry>
 157       </variablelist>
 158     </refreturn>
 159   </doc:template>
 160
 161   <xsl:template name="node:type">
 162     <xsl:param name="node" select="."/>
 163
 164     <xsl:choose>
 165       <xsl:when test="not($node)"/>
 166       <xsl:when test="$node[1]/self::*">
 167         <xsl:text>element</xsl:text>
 168       </xsl:when>
 169       <xsl:when test="$node[1]/self::text()">
 170         <xsl:text>text</xsl:text>
 171       </xsl:when>
 172       <xsl:when test="$node[1]/self::comment()">
 173         <xsl:text>comment</xsl:text>
 174       </xsl:when>
 175       <xsl:when test="$node[1]/self::processing-instruction()">
 176         <xsl:text>processing instruction</xsl:text>
 177       </xsl:when>
 178       <xsl:when test="not($node[1]/parent::*)">
 179         <xsl:text>root</xsl:text>
 180       </xsl:when>
 181       <xsl:when test="count($node[1] | $node[1]/../namespace::*) = count($node[1]/../namespace::*)">
 182         <xsl:text>namespace</xsl:text>
 183       </xsl:when>
 184       <xsl:when test="count($node[1] | $node[1]/../@*) = count($node[1]/../@*)">
 185         <xsl:text>attribute</xsl:text>
 186       </xsl:when>
 187     </xsl:choose>
 188   </xsl:template>
 189
 190   <doc:template name="node:copy" xmlns="">
 191     <refpurpose>Copy Nodes</refpurpose>
 192
 193     <refdescription>
 194       <para>Makes a copy of the given nodes, including attributes and descendants.</para>
 195     </refdescription>
 196
 197     <refparameter>
 198       <variablelist>
 199         <varlistentry>
 200           <term>nodes</term>
 201           <listitem>
 202             <para>The nodes to copy.</para>
 203           </listitem>
 204         </varlistentry>
 205       </variablelist>
 206     </refparameter>
 207
 208     <refreturn>
 209       <para>Returns the copied nodes as a result tree fragment.</para>
 210     </refreturn>
 211   </doc:template>
 212
 213   <xsl:template name='node:copy'>
 214     <xsl:param name='nodes' select='.'/>
 215
 216     <xsl:for-each select='$nodes'>
 217       <xsl:copy>
 218         <xsl:for-each select='@*'>
 219           <xsl:copy/>
 220         </xsl:for-each>
 221
 222         <xsl:for-each select='node()'>
 223           <xsl:call-template name='node:copy'/>
 224         </xsl:for-each>
 225       </xsl:copy>
 226     </xsl:for-each>
 227   </xsl:template>
 228 </xsl:stylesheet>
 229