XML/XUpdate/xupdate2xsl.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
  
  <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  
      <!--
      
        xupdate2xsl: Translate XML document from namespace 'xupdate' to 'xsl'.
        
        Purpose of this XML Stylesheet is to implement a set of templates 
        to translate XUpdate lingo into an intermediate xslt stylesheet 
        which actually performs the update to the original xml document
        in a second step.
        
        The required glue code - written in Perl - is available in module 
        XML::XUpdate::XSLT. Please have a look at this in order to write
        code to use this stylesheet from other language bindings.

        Please have a look at the XUpdate specs and associated resources:
          Requirements: http://www.xmldb.org/xupdate/xupdate-req.html
          Working Draft: http://www.xmldb.org/xupdate/xupdate-wd.html

        ChangeLog:
          2003-04-30: first alpha
          2003-05-01: works: xupdate:insert-after (elements/attributes)
          2003-05-06: works: xupdate:insert-before (elements/attributes)

      -->
      
      <xsl:output method="xml" />
  
      <!-- 1. This is the passthru logic (copy all untouched nodes). -->
      <xsl:template name="passthru"><xsl:copy><xsl:apply-templates /></xsl:copy></xsl:template>
      <!-- activate this -->
      <xsl:template match="*"><xsl:call-template name="passthru" /></xsl:template>
      <!-- override some builtin rules: see http://www.w3.org/TR/xslt#built-in-rule -->
      <xsl:template match="comment()"><xsl:call-template name="passthru" /></xsl:template>
  
      
      <!-- 2. This is the translation part: XUpdate becomes XSLT -->
      
      <!-- lib -->
      <!-- This node "encapsulates" common core infrastructure. -->
      <xsl:template match="xupdate:modifications">
  
        <!-- <xsl:template name="identity_template_rule"> -->
        <xsl:element name="xsl:template">
          <xsl:attribute name="name">identity_template_rule</xsl:attribute>

              <!-- An "identity template rule" - original version by Mike Kay, Software AG -->
              <!-- Please visit [http://p2p.wrox.com/archive/xslt/2001-06/98.asp] -->
              <!-- Translated to "self hosting xsl": Andreas Motl, andreas.motl@ilo.de -->
              <!-- FIXME: Could this be used to replace passthru-logic at 1. ? -->
              <xsl:element name="xsl:copy">
                <xsl:element name="xsl:copy-of">
                  <xsl:attribute name="select">@*</xsl:attribute>
                </xsl:element>
                <xsl:element name="xsl:apply-templates" />
              </xsl:element>

        </xsl:element>
        <!-- </xsl:template> -->

              <!-- 
                  1. Note: Former custom passthru logic (copy all untouched nodes)
                      now completely replaced by Mike Kay's "identity template rule". 
                  What is left here is just the required overriding of some builtin rules
                  to (e.g.) not to loose comments.
              -->
              <xsl:comment> 1. override built-in rules </xsl:comment>
              <!-- override some builtin rules: see http://www.w3.org/TR/xslt#built-in-rule -->
              <xsl:element name="xsl:template"><xsl:attribute name="match">comment()</xsl:attribute>
                  <xsl:element name="xsl:call-template">
                    <xsl:attribute name="name">identity_template_rule</xsl:attribute>
                  </xsl:element>
              </xsl:element>
  
          <!-- continue with all inline nodes -->
              <xsl:apply-templates />
  
      </xsl:template>
  

      <!-- code -->
      <!-- This node "encapsulates" infrastructure for handling the directives. -->

      <!-- Dispatch all "XUpdate Services" here. -->
      <!-- FIXME: Actually implement action = "CREATE|RETRIEVE|UPDATE|DELETE"!!! -->
      <xsl:template match="xupdate:insert-after">
          <!-- <xsl:variable name="select" select="@select">Hello World!</xsl:variable> -->
          <xsl:call-template name="findcontext">
            <xsl:with-param name="service">Insert</xsl:with-param>
            <xsl:with-param name="position">after</xsl:with-param>
          </xsl:call-template>
      </xsl:template>

      <xsl:template match="xupdate:insert-before">
          <xsl:call-template name="findcontext">
            <xsl:with-param name="service">Insert</xsl:with-param>
            <xsl:with-param name="position">before</xsl:with-param>
          </xsl:call-template>
      </xsl:template>

      <xsl:template match="xupdate:append">
          <xsl:call-template name="findcontext">
            <xsl:with-param name="service">Append</xsl:with-param>
            <!-- <xsl:with-param name="position">inline</xsl:with-param> -->
            <xsl:with-param name="test">.</xsl:with-param>
          </xsl:call-template>
      </xsl:template>

      <xsl:template match="xupdate:update">
          <xsl:call-template name="findcontext">
            <xsl:with-param name="service">Update</xsl:with-param>
            <!-- <xsl:with-param name="position">after</xsl:with-param> -->
            <xsl:with-param name="test">.</xsl:with-param>
          </xsl:call-template>
      </xsl:template>

      <xsl:template match="xupdate:remove">
          <xsl:call-template name="findcontext">
            <xsl:with-param name="service">Remove</xsl:with-param>
            <!-- <xsl:with-param name="position">after</xsl:with-param> -->
            <xsl:with-param name="test">.</xsl:with-param>
          </xsl:call-template>
      </xsl:template>

      <xsl:template match="xupdate:rename">
          <xsl:call-template name="findcontext">
            <xsl:with-param name="service">Rename</xsl:with-param>
            <!-- <xsl:with-param name="position">after</xsl:with-param> -->
            <xsl:with-param name="test">.</xsl:with-param>
          </xsl:call-template>
      </xsl:template>


      <xsl:template name="findcontext">

        <xsl:comment> 2. context finder </xsl:comment>

        <!-- new of 2003-05-06: introducing parameters here to handle all cases -->
        <xsl:param name="service" />
        <xsl:param name="position" />
        <!-- new of 2003-05-07: replacement for test if undef -->
        <xsl:param name="test" />
        <xsl:param name="town" />
        
        <xsl:variable name="town" select="huhu">haha</xsl:variable>
        
        <!--
        <xsl:comment>
          service: <xsl:value-of select="$service" />
          position: <xsl:value-of select="$position" />
          test: <xsl:value-of select="$test" />
        </xsl:comment>
        -->

          <!-- this resembles some parts of the CRUD API - retranslated to self-hosting xsl -->

          <!-- V1 -->
          <!-- <xsl:element name="xsl:template"> -->
              <!-- <xsl:attribute name="match"><xsl:value-of select="@select" /></xsl:attribute> -->
          
          <!-- fallback -->
          <xsl:element name="xsl:template">
              <xsl:attribute name="match">*</xsl:attribute>
              <xsl:element name="xsl:call-template">
                <xsl:attribute name="name">identity_template_rule</xsl:attribute>
                <!-- <xsl:attribute name="name">passthru</xsl:attribute> -->
              </xsl:element>
          </xsl:element>

          <!-- V2 -->
          <xsl:element name="xsl:template">
              <!-- <xsl:attribute name="match">/addresses/address</xsl:attribute> -->
              <!-- <xsl:attribute name="match">*</xsl:attribute> -->
              <xsl:attribute name="match"><xsl:value-of select="@select" /></xsl:attribute>

          <xsl:element name="xsl:choose">
              <!-- <xsl:attribute name="match"><xsl:value-of select="@select" /></xsl:attribute> -->
            <xsl:element name="xsl:when">
              <!-- <xsl:attribute name="test"><xsl:value-of select="@select" /></xsl:attribute> -->
              <xsl:attribute name="test"><xsl:value-of select="@test" /><xsl:value-of select="$test" /></xsl:attribute>

              <xsl:choose>
                <xsl:when test="{$service}=Insert">

                <xsl:comment> 2.a. Insert </xsl:comment>

                <!-- Implementation of "xupdate:insert-before" -->
                <xsl:choose>
                  <xsl:when test="{$position}=before">
                    <xsl:apply-templates />
                  </xsl:when>
                </xsl:choose>
  
                <!-- call the "identity template rule" to passthru all childnodes -->
                <xsl:element name="xsl:call-template">
                  <xsl:attribute name="name">identity_template_rule</xsl:attribute>
                  <!-- <xsl:attribute name="name">passthru</xsl:attribute> -->
                </xsl:element>
  
                <!-- Implementation of "xupdate:insert-after" -->
                <xsl:choose>
                  <xsl:when test="{$position}=after">
                    <xsl:apply-templates />
                  </xsl:when>
                </xsl:choose>

                </xsl:when>
                
                <!-- Implementation of "xupdate:append" -->
                <xsl:when test="{$service}=Append">
                <xsl:comment> 2.b. Append </xsl:comment>
                  <!-- V1 -->
                  <!-- <xsl:apply-templates /> -->
                  <!-- V2 -->
                  <xsl:element name="xsl:copy">
                    <!--
                    <xsl:element name="xsl:copy-of">
                      <xsl:attribute name="select">@*</xsl:attribute>
                    </xsl:element>
                    -->
                    <!-- Keep content ... -->
                    <xsl:element name="xsl:apply-templates" />
                    <!-- Append this: -->
                    <xsl:apply-templates />
                  </xsl:element>
                </xsl:when>
                
                <!-- Implementation of "xupdate:update" -->
                <xsl:when test="{$service}=Update">
                <xsl:comment> 2.c. Update </xsl:comment>
                  <!-- V1 -->
                  <!-- <xsl:apply-templates /> -->
                  <!-- V2 -->
                  <xsl:element name="xsl:copy">
                    <!--
                    <xsl:element name="xsl:copy-of">
                      <xsl:attribute name="select">@*</xsl:attribute>
                    </xsl:element>
                    -->
                    <!-- Keep content ... -->
                    <!-- <xsl:element name="xsl:apply-templates" /> -->
                    <!-- Add (replace through) this: -->
                    <xsl:apply-templates />
                  </xsl:element>
                </xsl:when>

                <!-- Implementation of "xupdate:remove" -->
                <xsl:when test="{$service}=Remove">
                  <xsl:comment> 2.d. Remove </xsl:comment>
                </xsl:when>

                <!-- Implementation of "xupdate:rename" -->
                <xsl:when test="{$service}=Rename">
                  <xsl:comment> 2.e. Rename (Remove context and Append modified identity template) </xsl:comment>
                  
                  <xsl:comment> [5.a.] modify node name </xsl:comment>
                  <xsl:element name="xsl:element">
                    <!-- this renames the node (change the "name"-attribute) -->
                    <xsl:attribute name="name">
                      <xsl:apply-templates />
                    </xsl:attribute>
                    <!-- this propagates the original content -->
                    <xsl:element name="xsl:apply-templates" />
                  </xsl:element>

                </xsl:when>

              </xsl:choose>

            </xsl:element>
            <xsl:element name="xsl:otherwise">

              <!-- call the "identity template rule" to passthru all childnodes -->
              <xsl:element name="xsl:call-template">
                <xsl:attribute name="name">identity_template_rule</xsl:attribute>
                <!-- <xsl:attribute name="name">passthru</xsl:attribute> -->
              </xsl:element>

              <!-- <xsl:apply-templates /> -->
            </xsl:element>

          </xsl:element>
          </xsl:element>

          <!-- <xsl:apply-templates /> -->
          
      </xsl:template>
  
  
      <!-- 
        Rewrite XUpdate elements to XSLT elements.
        These templates pass through all attributes 
        and childnodes rewriting the tagname only. 
        FIXME: The redundant encoding for each XUpdate
        element type seems dummy. Could this be stripped
        shorter somehow sometimes?
      -->
      
      <xsl:template match="xupdate:element">
          <xsl:comment> 3.a. vivify generic node </xsl:comment>
          <xsl:element name="xsl:element">
              <xsl:copy-of select="@*"/>
              <xsl:apply-templates />
          </xsl:element>
      </xsl:template>
  
      <xsl:template match="xupdate:attribute">
          <xsl:comment> 3.b. vivify node attributes </xsl:comment>
          <xsl:element name="xsl:attribute">
              <xsl:copy-of select="@*"/>
              <xsl:apply-templates />
          </xsl:element>
      </xsl:template>
  
      <xsl:template match="xupdate:text">
          <xsl:comment> 4.a. vivify text node </xsl:comment>
          <xsl:element name="xsl:text">
              <xsl:copy-of select="@*"/>
              <xsl:apply-templates />
          </xsl:element>
      </xsl:template>

      <xsl:template match="xupdate:processing-instruction">
          <xsl:comment> 4.b. vivify PI node </xsl:comment>
          <xsl:element name="xsl:processing-instruction">
              <xsl:copy-of select="@*"/>
              <xsl:apply-templates />
          </xsl:element>
      </xsl:template>

      <xsl:template match="xupdate:comment">
          <xsl:comment> 4.c. vivify comment node </xsl:comment>
          <xsl:element name="xsl:comment">
              <xsl:copy-of select="@*"/>
              <xsl:apply-templates />
          </xsl:element>
      </xsl:template>

      <!-- xsl for [2.9 Variables and Values of Variables] -->
      <xsl:template match="xupdate:variable">
          <xsl:comment> 5.a. vivify xsl-element "variable" </xsl:comment>
          <xsl:element name="xsl:variable">
              <xsl:copy-of select="@*"/>
              <!--
              <xsl:apply-templates />
              -->
            <!-- <xsl:element name="xsl:apply-templates" > -->
              <xsl:attribute name="select">
                <!-- <xsl:apply-templates /> -->
                /addresses[2]/address[4]/town
              </xsl:attribute>
            <!-- </xsl:element> -->
              hui
          </xsl:element>
          
      </xsl:template>

      <xsl:template match="xupdate:value-of">
          <xsl:comment> 5.b. vivify xsl-element "value-of" </xsl:comment>
          <xsl:element name="xsl:value-of">
              <xsl:copy-of select="@*"/>
              <xsl:apply-templates />
          </xsl:element>
          <xsl:text>abs</xsl:text>
      </xsl:template>


</xsl:stylesheet>
  
1	<?xml version="1.0" encoding="ISO-8859-1"?>
2
3	<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
4
5	<!--
6
7	xupdate2xsl: Translate XML document from namespace 'xupdate' to 'xsl'.
8
9	Purpose of this XML Stylesheet is to implement a set of templates
10	to translate XUpdate lingo into an intermediate xslt stylesheet
11	which actually performs the update to the original xml document
12	in a second step.
13
14	The required glue code - written in Perl - is available in module
15	XML::XUpdate::XSLT. Please have a look at this in order to write
16	code to use this stylesheet from other language bindings.
17
18	Please have a look at the XUpdate specs and associated resources:
19	Requirements: http://www.xmldb.org/xupdate/xupdate-req.html
20	Working Draft: http://www.xmldb.org/xupdate/xupdate-wd.html
21
22	ChangeLog:
23	2003-04-30: first alpha
24	2003-05-01: works: xupdate:insert-after (elements/attributes)
25	2003-05-06: works: xupdate:insert-before (elements/attributes)
26
27	-->
28
29	<xsl:output method="xml" />
30
31	<!-- 1. This is the passthru logic (copy all untouched nodes). -->
32	<xsl:template name="passthru"><xsl:copy><xsl:apply-templates /></xsl:copy></xsl:template>
33	<!-- activate this -->
34	<xsl:template match="*"><xsl:call-template name="passthru" /></xsl:template>
35	<!-- override some builtin rules: see http://www.w3.org/TR/xslt#built-in-rule -->
36	<xsl:template match="comment()"><xsl:call-template name="passthru" /></xsl:template>
37
38
39	<!-- 2. This is the translation part: XUpdate becomes XSLT -->
40
41	<!-- lib -->
42	<!-- This node "encapsulates" common core infrastructure. -->
43	<xsl:template match="xupdate:modifications">
44
45	<!-- <xsl:template name="identity_template_rule"> -->
46	<xsl:element name="xsl:template">
47	<xsl:attribute name="name">identity_template_rule</xsl:attribute>
48
49	<!-- An "identity template rule" - original version by Mike Kay, Software AG -->
50	<!-- Please visit [http://p2p.wrox.com/archive/xslt/2001-06/98.asp] -->
51	<!-- Translated to "self hosting xsl": Andreas Motl, andreas.motl@ilo.de -->
52	<!-- FIXME: Could this be used to replace passthru-logic at 1. ? -->
53	<xsl:element name="xsl:copy">
54	<xsl:element name="xsl:copy-of">
55	<xsl:attribute name="select">@*</xsl:attribute>
56	</xsl:element>
57	<xsl:element name="xsl:apply-templates" />
58	</xsl:element>
59
60	</xsl:element>
61	<!-- </xsl:template> -->
62
63	<!--
64	1. Note: Former custom passthru logic (copy all untouched nodes)
65	now completely replaced by Mike Kay's "identity template rule".
66	What is left here is just the required overriding of some builtin rules
67	to (e.g.) not to loose comments.
68	-->
69	<xsl:comment> 1. override built-in rules </xsl:comment>
70	<!-- override some builtin rules: see http://www.w3.org/TR/xslt#built-in-rule -->
71	<xsl:element name="xsl:template"><xsl:attribute name="match">comment()</xsl:attribute>
72	<xsl:element name="xsl:call-template">
73	<xsl:attribute name="name">identity_template_rule</xsl:attribute>
74	</xsl:element>
75	</xsl:element>
76
77	<!-- continue with all inline nodes -->
78	<xsl:apply-templates />
79
80	</xsl:template>
81
82
83
84
85
86	<!-- code -->
87	<!-- This node "encapsulates" infrastructure for handling the directives. -->
88
89	<!-- Dispatch all "XUpdate Services" here. -->
90	<!-- FIXME: Actually implement action = "CREATE\|RETRIEVE\|UPDATE\|DELETE"!!! -->
91	<xsl:template match="xupdate:insert-after">
92	<!-- <xsl:variable name="select" select="@select">Hello World!</xsl:variable> -->
93	<xsl:call-template name="findcontext">
94	<xsl:with-param name="service">Insert</xsl:with-param>
95	<xsl:with-param name="position">after</xsl:with-param>
96	</xsl:call-template>
97	</xsl:template>
98
99	<xsl:template match="xupdate:insert-before">
100	<xsl:call-template name="findcontext">
101	<xsl:with-param name="service">Insert</xsl:with-param>
102	<xsl:with-param name="position">before</xsl:with-param>
103	</xsl:call-template>
104	</xsl:template>
105
106	<xsl:template match="xupdate:append">
107	<xsl:call-template name="findcontext">
108	<xsl:with-param name="service">Append</xsl:with-param>
109	<!-- <xsl:with-param name="position">inline</xsl:with-param> -->
110	<xsl:with-param name="test">.</xsl:with-param>
111	</xsl:call-template>
112	</xsl:template>
113
114	<xsl:template match="xupdate:update">
115	<xsl:call-template name="findcontext">
116	<xsl:with-param name="service">Update</xsl:with-param>
117	<!-- <xsl:with-param name="position">after</xsl:with-param> -->
118	<xsl:with-param name="test">.</xsl:with-param>
119	</xsl:call-template>
120	</xsl:template>
121
122	<xsl:template match="xupdate:remove">
123	<xsl:call-template name="findcontext">
124	<xsl:with-param name="service">Remove</xsl:with-param>
125	<!-- <xsl:with-param name="position">after</xsl:with-param> -->
126	<xsl:with-param name="test">.</xsl:with-param>
127	</xsl:call-template>
128	</xsl:template>
129
130	<xsl:template match="xupdate:rename">
131	<xsl:call-template name="findcontext">
132	<xsl:with-param name="service">Rename</xsl:with-param>
133	<!-- <xsl:with-param name="position">after</xsl:with-param> -->
134	<xsl:with-param name="test">.</xsl:with-param>
135	</xsl:call-template>
136	</xsl:template>
137
138
139
140	<xsl:template name="findcontext">
141
142	<xsl:comment> 2. context finder </xsl:comment>
143
144	<!-- new of 2003-05-06: introducing parameters here to handle all cases -->
145	<xsl:param name="service" />
146	<xsl:param name="position" />
147	<!-- new of 2003-05-07: replacement for test if undef -->
148	<xsl:param name="test" />
149	<xsl:param name="town" />
150
151	<xsl:variable name="town" select="huhu">haha</xsl:variable>
152
153	<!--
154	<xsl:comment>
155	service: <xsl:value-of select="$service" />
156	position: <xsl:value-of select="$position" />
157	test: <xsl:value-of select="$test" />
158	</xsl:comment>
159	-->
160
161	<!-- this resembles some parts of the CRUD API - retranslated to self-hosting xsl -->
162
163	<!-- V1 -->
164	<!-- <xsl:element name="xsl:template"> -->
165	<!-- <xsl:attribute name="match"><xsl:value-of select="@select" /></xsl:attribute> -->
166
167	<!-- fallback -->
168	<xsl:element name="xsl:template">
169	<xsl:attribute name="match">*</xsl:attribute>
170	<xsl:element name="xsl:call-template">
171	<xsl:attribute name="name">identity_template_rule</xsl:attribute>
172	<!-- <xsl:attribute name="name">passthru</xsl:attribute> -->
173	</xsl:element>
174	</xsl:element>
175
176	<!-- V2 -->
177	<xsl:element name="xsl:template">
178	<!-- <xsl:attribute name="match">/addresses/address</xsl:attribute> -->
179	<!-- <xsl:attribute name="match">*</xsl:attribute> -->
180	<xsl:attribute name="match"><xsl:value-of select="@select" /></xsl:attribute>
181
182	<xsl:element name="xsl:choose">
183	<!-- <xsl:attribute name="match"><xsl:value-of select="@select" /></xsl:attribute> -->
184	<xsl:element name="xsl:when">
185	<!-- <xsl:attribute name="test"><xsl:value-of select="@select" /></xsl:attribute> -->
186	<xsl:attribute name="test"><xsl:value-of select="@test" /><xsl:value-of select="$test" /></xsl:attribute>
187
188	<xsl:choose>
189	<xsl:when test="{$service}=Insert">
190
191	<xsl:comment> 2.a. Insert </xsl:comment>
192
193	<!-- Implementation of "xupdate:insert-before" -->
194	<xsl:choose>
195	<xsl:when test="{$position}=before">
196	<xsl:apply-templates />
197	</xsl:when>
198	</xsl:choose>
199
200	<!-- call the "identity template rule" to passthru all childnodes -->
201	<xsl:element name="xsl:call-template">
202	<xsl:attribute name="name">identity_template_rule</xsl:attribute>
203	<!-- <xsl:attribute name="name">passthru</xsl:attribute> -->
204	</xsl:element>
205
206	<!-- Implementation of "xupdate:insert-after" -->
207	<xsl:choose>
208	<xsl:when test="{$position}=after">
209	<xsl:apply-templates />
210	</xsl:when>
211	</xsl:choose>
212
213	</xsl:when>
214
215	<!-- Implementation of "xupdate:append" -->
216	<xsl:when test="{$service}=Append">
217	<xsl:comment> 2.b. Append </xsl:comment>
218	<!-- V1 -->
219	<!-- <xsl:apply-templates /> -->
220	<!-- V2 -->
221	<xsl:element name="xsl:copy">
222	<!--
223	<xsl:element name="xsl:copy-of">
224	<xsl:attribute name="select">@*</xsl:attribute>
225	</xsl:element>
226	-->
227	<!-- Keep content ... -->
228	<xsl:element name="xsl:apply-templates" />
229	<!-- Append this: -->
230	<xsl:apply-templates />
231	</xsl:element>
232	</xsl:when>
233
234	<!-- Implementation of "xupdate:update" -->
235	<xsl:when test="{$service}=Update">
236	<xsl:comment> 2.c. Update </xsl:comment>
237	<!-- V1 -->
238	<!-- <xsl:apply-templates /> -->
239	<!-- V2 -->
240	<xsl:element name="xsl:copy">
241	<!--
242	<xsl:element name="xsl:copy-of">
243	<xsl:attribute name="select">@*</xsl:attribute>
244	</xsl:element>
245	-->
246	<!-- Keep content ... -->
247	<!-- <xsl:element name="xsl:apply-templates" /> -->
248	<!-- Add (replace through) this: -->
249	<xsl:apply-templates />
250	</xsl:element>
251	</xsl:when>
252
253	<!-- Implementation of "xupdate:remove" -->
254	<xsl:when test="{$service}=Remove">
255	<xsl:comment> 2.d. Remove </xsl:comment>
256	</xsl:when>
257
258	<!-- Implementation of "xupdate:rename" -->
259	<xsl:when test="{$service}=Rename">
260	<xsl:comment> 2.e. Rename (Remove context and Append modified identity template) </xsl:comment>
261
262	<xsl:comment> [5.a.] modify node name </xsl:comment>
263	<xsl:element name="xsl:element">
264	<!-- this renames the node (change the "name"-attribute) -->
265	<xsl:attribute name="name">
266	<xsl:apply-templates />
267	</xsl:attribute>
268	<!-- this propagates the original content -->
269	<xsl:element name="xsl:apply-templates" />
270	</xsl:element>
271
272	</xsl:when>
273
274	</xsl:choose>
275
276	</xsl:element>
277	<xsl:element name="xsl:otherwise">
278
279	<!-- call the "identity template rule" to passthru all childnodes -->
280	<xsl:element name="xsl:call-template">
281	<xsl:attribute name="name">identity_template_rule</xsl:attribute>
282	<!-- <xsl:attribute name="name">passthru</xsl:attribute> -->
283	</xsl:element>
284
285	<!-- <xsl:apply-templates /> -->
286	</xsl:element>
287
288	</xsl:element>
289	</xsl:element>
290
291	<!-- <xsl:apply-templates /> -->
292
293	</xsl:template>
294
295
296	<!--
297	Rewrite XUpdate elements to XSLT elements.
298	These templates pass through all attributes
299	and childnodes rewriting the tagname only.
300	FIXME: The redundant encoding for each XUpdate
301	element type seems dummy. Could this be stripped
302	shorter somehow sometimes?
303	-->
304
305	<xsl:template match="xupdate:element">
306	<xsl:comment> 3.a. vivify generic node </xsl:comment>
307	<xsl:element name="xsl:element">
308	<xsl:copy-of select="@*"/>
309	<xsl:apply-templates />
310	</xsl:element>
311	</xsl:template>
312
313	<xsl:template match="xupdate:attribute">
314	<xsl:comment> 3.b. vivify node attributes </xsl:comment>
315	<xsl:element name="xsl:attribute">
316	<xsl:copy-of select="@*"/>
317	<xsl:apply-templates />
318	</xsl:element>
319	</xsl:template>
320
321	<xsl:template match="xupdate:text">
322	<xsl:comment> 4.a. vivify text node </xsl:comment>
323	<xsl:element name="xsl:text">
324	<xsl:copy-of select="@*"/>
325	<xsl:apply-templates />
326	</xsl:element>
327	</xsl:template>
328
329	<xsl:template match="xupdate:processing-instruction">
330	<xsl:comment> 4.b. vivify PI node </xsl:comment>
331	<xsl:element name="xsl:processing-instruction">
332	<xsl:copy-of select="@*"/>
333	<xsl:apply-templates />
334	</xsl:element>
335	</xsl:template>
336
337	<xsl:template match="xupdate:comment">
338	<xsl:comment> 4.c. vivify comment node </xsl:comment>
339	<xsl:element name="xsl:comment">
340	<xsl:copy-of select="@*"/>
341	<xsl:apply-templates />
342	</xsl:element>
343	</xsl:template>
344
345	<!-- xsl for [2.9 Variables and Values of Variables] -->
346	<xsl:template match="xupdate:variable">
347	<xsl:comment> 5.a. vivify xsl-element "variable" </xsl:comment>
348	<xsl:element name="xsl:variable">
349	<xsl:copy-of select="@*"/>
350	<!--
351	<xsl:apply-templates />
352	-->
353	<!-- <xsl:element name="xsl:apply-templates" > -->
354	<xsl:attribute name="select">
355	<!-- <xsl:apply-templates /> -->
356	/addresses[2]/address[4]/town
357	</xsl:attribute>
358	<!-- </xsl:element> -->
359	hui
360	</xsl:element>
361
362	</xsl:template>
363
364	<xsl:template match="xupdate:value-of">
365	<xsl:comment> 5.b. vivify xsl-element "value-of" </xsl:comment>
366	<xsl:element name="xsl:value-of">
367	<xsl:copy-of select="@*"/>
368	<xsl:apply-templates />
369	</xsl:element>
370	<xsl:text>abs</xsl:text>
371	</xsl:template>
372
373
374	</xsl:stylesheet>
375
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