Author: hibou
Date: Tue Feb 16 22:17:48 2010
New Revision: 910725
URL: http://svn.apache.org/viewvc?rev=910725&view=rev
Log:
An xsl that seems to work pretty well to transform xml build files into groovy
ones
Added:
ant/sandbox/groovyfront/xml2groovy.xsl (with props)
Added: ant/sandbox/groovyfront/xml2groovy.xsl
URL:
http://svn.apache.org/viewvc/ant/sandbox/groovyfront/xml2groovy.xsl?rev=910725&view=auto
==============================================================================
--- ant/sandbox/groovyfront/xml2groovy.xsl (added)
+++ ant/sandbox/groovyfront/xml2groovy.xsl Tue Feb 16 22:17:48 2010
@@ -0,0 +1,155 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+ -->
+<stylesheet xmlns="http://www.w3.org/1999/XSL/Transform";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+ xsi:schemaLocation="http://www.w3.org/1999/XSL/Transform
http://www.w3.org/1999/XSL/Transform.xsd"; version="1.0">
+
+ <!-- Stylesheet to transform automatically an XML build file into a Groovy
one -->
+
+ <output method="text" />
+
+ <!-- search every namespace defined and put it into the map -->
+ <key name="namespaces" match="//*[string-length(substring-before(name(),
':')) != 0]" use="namespace-uri()" />
+
+ <template match="/project">
+
+ <!-- first process the project metadata -->
+ <if test="/project/@name">
+ <text>
+project.name = '</text><value-of select="/project/@name" /><text>'</text>
+ </if>
+ <if test="/project/@basedir">
+ <text>
+project.basedir = '</text><value-of select="/project/@basedir" /><text>'</text>
+ </if>
+ <if test="/project/@default">
+ <text>
+project.defaultTarget = '</text><value-of select="/project/@default"
/><text>'</text>
+ </if>
+
+ <!-- spacer -->
+ <text>
+</text>
+
+ <!-- iterate on every element that have a namespace -->
+ <for-each select="//*[string-length(substring-before(name(), ':')) !=
0]">
+ <!-- we want to declare only one groovyns by namespace, so process
the element that has been selected into the map -->
+ <if test="generate-id(key('namespaces', namespace-uri())) =
generate-id(.)">
+ <text>
+def </text><value-of select="substring-before(name(), ':')" /><text> =
groovyns(uri: '</text><value-of select="namespace-uri()" /><text>')</text>
+ </if>
+ </for-each>
+ <apply-templates select="child::node()" />
+ </template>
+
+ <!-- generic xml to groovy transformer -->
+ <template match="*">
+
+ <!-- if there is some namespace, append the use of the grooyns -->
+ <variable name="nsPrefix" select="substring-before(name(), ':')" />
+ <if test="string-length($nsPrefix) != 0">
+ <value-of select="$nsPrefix" /><text>.</text>
+ </if>
+
+ <!-- actual element / function name -->
+ <value-of select="local-name()" />
+
+ <text>(</text>
+
+ <!-- process the XML attributes -->
+ <for-each select="@*">
+ <value-of select="local-name()" />
+ <text>: '</text>
+ <call-template name="escape-quotes" />
+ <text>'</text>
+ <if test="position() != last()">
+ <text>, </text>
+ </if>
+ </for-each>
+
+ <!-- process the content in the XML element if not only spaces -->
+ <if test="string-length(normalize-space(node())) != 0">
+ <if test="count(@*) != 0">
+ <text>, </text>
+ </if>
+ <choose>
+ <!-- if there is some line break, let's triple quote -->
+ <when test="contains(node(), '
')">
+ <text>'''</text>
+ <call-template name="escape-quotes">
+ <with-param name="text" select="node()" />
+ </call-template>
+ <text>'''</text>
+ </when>
+ <otherwise>
+ <text>'</text>
+ <call-template name="escape-quotes">
+ <with-param name="text" select="node()" />
+ </call-template>
+ <text>'</text>
+ </otherwise>
+ </choose>
+ </if>
+
+ <text>)</text>
+
+ <!-- process the children by recursively -->
+ <if test="count(child::node()) != 0">
+ <text> {</text>
+ <apply-templates select="child::node()" />
+ <text>}</text>
+ </if>
+ </template>
+
+ <!-- escape simple quote to be output in attributes (always surrounded by
simple quotes) -->
+ <template name="escape-quotes">
+ <param name="text" select="." />
+ <choose>
+ <!-- if there is a simple quote -->
+ <when test='contains($text, "'")'>
+ <!-- put what is before -->
+ <value-of select='substring-before($text, "'")' />
+ <!-- escape -->
+ <text>\'</text>
+ <!-- recursively escape after -->
+ <call-template name="escape-quotes">
+ <with-param name="text" select='substring-after($text,
"'")' />
+ </call-template>
+ </when>
+ <!-- nothing to escape -->
+ <otherwise>
+ <value-of select="$text" />
+ </otherwise>
+ </choose>
+ </template>
+
+ <!-- try to not loose XML comments -->
+ <template match="comment()" >
+ <text>/* </text><value-of select="." /><text> */</text>
+ </template>
+
+ <!-- here should be process only white spaces -->
+ <template match="text()">
+ <if test="string-length(normalize-space(.)) = 0">
+ <!-- just output it to keep the same indentation -->
+ <value-of select="." />
+ </if>
+ </template>
+
+</stylesheet>
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