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">
  
      <!--
      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 to port it to other
      languages.
      -->
      
      <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. This is the passthru logic (copy all untouched nodes). -->
          <!-- in fact this is the xsl from above translated to be able to be generated by xsl itself! -->
              <xsl:comment> 1. passthru logic </xsl:comment>
              <xsl:element name="xsl:template">
                  <xsl:attribute name="name">passthru</xsl:attribute>
                  <xsl:element name="xsl:copy"><xsl:element name="xsl:apply-templates" /></xsl:element>
              </xsl:element>
              <xsl:element name="xsl:template">
                  <xsl:attribute name="match">*</xsl:attribute>
                  <xsl:element name="xsl:call-template"><xsl:attribute name="name">passthru</xsl:attribute></xsl:element>
              </xsl:element>
              <xsl:element name="xsl:template">
                  <xsl:attribute name="match">comment()</xsl:attribute>
                  <xsl:element name="xsl:call-template"><xsl:attribute name="name">passthru</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. -->
      <!-- FIXME: handle the other ones: append, remove, ect. -->
      <xsl:template match="xupdate:insert-after">
          <xsl:comment> 2. context finder </xsl:comment>
          <!-- <xsl:variable name="select" select="@select">Hello World!</xsl:variable> -->
          
          <!-- 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> -->

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

              <!-- insert-before!!! -->
              <!-- <xsl:apply-templates /> -->

              <!-- 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:element>

              <!-- insert-after!!! -->
              <xsl:apply-templates />

            </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:element>

            </xsl:element>

          </xsl:element>
          </xsl:element>
          
          <!-- <xsl:apply-templates /> -->
          
      </xsl:template>
  
      <!-- This node passes through all attributes and childnodes rewriting the tagname only. -->
      <xsl:template match="xupdate:element">
          <xsl:comment> 3.a. vivify elements </xsl:comment>
          <xsl:element name="xsl:element">
              <xsl:copy-of select="@*"/>
              <xsl:apply-templates />
          </xsl:element>
      </xsl:template>
  
      <!-- This node passes through all attributes and childnodes rewriting the tagname only. -->
      <xsl:template match="xupdate:attribute">
          <xsl:comment> 3.b. vivify attributes </xsl:comment>
          <xsl:element name="xsl:attribute">
              <xsl:copy-of select="@*"/>
              <xsl:apply-templates />
          </xsl:element>
      </xsl:template>
  
  </xsl:stylesheet>
  
1	joko	1.1	<?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			Purpose of this XML Stylesheet is to implement a set of templates
7			to translate XUpdate lingo into an intermediate xslt stylesheet
8			which actually performs the update to the original xml document
9			in a second step.
10			The required glue code - written in Perl - is available in module
11			XML::XUpdate::XSLT. Please have a look at this to port it to other
12			languages.
13			-->
14
15			<xsl:output method="xml" />
16
17			<!-- 1. This is the passthru logic (copy all untouched nodes). -->
18			<xsl:template name="passthru"><xsl:copy><xsl:apply-templates /></xsl:copy></xsl:template>
19			<!-- activate this -->
20			<xsl:template match="*"><xsl:call-template name="passthru" /></xsl:template>
21			<!-- override some builtin rules: see http://www.w3.org/TR/xslt#built-in-rule -->
22			<xsl:template match="comment()"><xsl:call-template name="passthru" /></xsl:template>
23
24	joko	1.2
25	joko	1.1	<!-- 2. This is the translation part: XUpdate becomes XSLT -->
26
27	joko	1.2	<!-- lib -->
28			<!-- This node "encapsulates" common core infrastructure. -->
29	joko	1.1	<xsl:template match="xupdate:modifications">
30
31	joko	1.2	<!-- <xsl:template name="identity_template_rule"> -->
32			<xsl:element name="xsl:template">
33			<xsl:attribute name="name">identity_template_rule</xsl:attribute>
34
35			<!-- An "identity template rule" - original version by Mike Kay, Software AG -->
36			<!-- Please visit [http://p2p.wrox.com/archive/xslt/2001-06/98.asp] -->
37			<!-- Translated to "self hosting xsl": Andreas Motl, andreas.motl@ilo.de -->
38			<!-- FIXME: Could this be used to replace passthru-logic at 1. ? -->
39			<xsl:element name="xsl:copy">
40			<xsl:element name="xsl:copy-of">
41			<xsl:attribute name="select">@*</xsl:attribute>
42			</xsl:element>
43			<xsl:element name="xsl:apply-templates" />
44			</xsl:element>
45
46			</xsl:element>
47			<!-- </xsl:template> -->
48
49	joko	1.1	<!-- 1. This is the passthru logic (copy all untouched nodes). -->
50			<!-- in fact this is the xsl from above translated to be able to be generated by xsl itself! -->
51			<xsl:comment> 1. passthru logic </xsl:comment>
52			<xsl:element name="xsl:template">
53			<xsl:attribute name="name">passthru</xsl:attribute>
54			<xsl:element name="xsl:copy"><xsl:element name="xsl:apply-templates" /></xsl:element>
55			</xsl:element>
56			<xsl:element name="xsl:template">
57			<xsl:attribute name="match">*</xsl:attribute>
58			<xsl:element name="xsl:call-template"><xsl:attribute name="name">passthru</xsl:attribute></xsl:element>
59			</xsl:element>
60			<xsl:element name="xsl:template">
61			<xsl:attribute name="match">comment()</xsl:attribute>
62			<xsl:element name="xsl:call-template"><xsl:attribute name="name">passthru</xsl:attribute></xsl:element>
63			</xsl:element>
64
65			<!-- continue with all inline nodes -->
66			<xsl:apply-templates />
67
68			</xsl:template>
69
70	joko	1.2
71
72
73
74			<!-- code -->
75	joko	1.1	<!-- This node "encapsulates" infrastructure for handling the directives. -->
76	joko	1.2	<!-- FIXME: handle the other ones: append, remove, ect. -->
77	joko	1.1	<xsl:template match="xupdate:insert-after">
78			<xsl:comment> 2. context finder </xsl:comment>
79	joko	1.2	<!-- <xsl:variable name="select" select="@select">Hello World!</xsl:variable> -->
80
81			<!-- this resembles some parts of the CRUD API - retranslated to self-hosting xsl -->
82
83			<!-- V1 -->
84			<!-- <xsl:element name="xsl:template"> -->
85			<!-- <xsl:attribute name="match"><xsl:value-of select="@select" /></xsl:attribute> -->
86
87			<!-- V2 -->
88			<xsl:element name="xsl:template">
89			<!-- <xsl:attribute name="match">*</xsl:attribute> -->
90			<xsl:attribute name="match">/addresses/address</xsl:attribute>
91
92			<xsl:element name="xsl:choose">
93			<!-- <xsl:attribute name="match"><xsl:value-of select="@select" /></xsl:attribute> -->
94			<xsl:element name="xsl:when">
95			<xsl:attribute name="test"><xsl:value-of select="@select" /></xsl:attribute>
96
97			<!-- insert-before!!! -->
98			<!-- <xsl:apply-templates /> -->
99
100			<!-- call the "identity template rule" to passthru all childnodes -->
101			<xsl:element name="xsl:call-template">
102			<xsl:attribute name="name">identity_template_rule</xsl:attribute>
103			</xsl:element>
104
105			<!-- insert-after!!! -->
106			<xsl:apply-templates />
107
108			</xsl:element>
109			<xsl:element name="xsl:otherwise">
110
111			<!-- call the "identity template rule" to passthru all childnodes -->
112			<xsl:element name="xsl:call-template">
113			<xsl:attribute name="name">identity_template_rule</xsl:attribute>
114			</xsl:element>
115
116			</xsl:element>
117
118			</xsl:element>
119			</xsl:element>
120
121			<!-- <xsl:apply-templates /> -->
122
123	joko	1.1	</xsl:template>
124
125			<!-- This node passes through all attributes and childnodes rewriting the tagname only. -->
126			<xsl:template match="xupdate:element">
127	joko	1.2	<xsl:comment> 3.a. vivify elements </xsl:comment>
128	joko	1.1	<xsl:element name="xsl:element">
129			<xsl:copy-of select="@*"/>
130			<xsl:apply-templates />
131			</xsl:element>
132			</xsl:template>
133
134			<!-- This node passes through all attributes and childnodes rewriting the tagname only. -->
135			<xsl:template match="xupdate:attribute">
136	joko	1.2	<xsl:comment> 3.b. vivify attributes </xsl:comment>
137	joko	1.1	<xsl:element name="xsl:attribute">
138			<xsl:copy-of select="@*"/>
139			<xsl:apply-templates />
140			</xsl:element>
141			</xsl:template>
142
143			</xsl:stylesheet>
144
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