SEC-708: Improve generation of XSD file from Relax NG schema. XSL file to be run on generated xsd to inline selected elements which should not be global.

http://jira.springframework.org/browse/SEC-708

core/src/main/resources/org/springframework/security/config/spring-security.xsl

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+    XSL to manipulate trang's output XSD file. Contributed by Brian Ewins.
+
+    $Id$ 
+-->
+
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.0">
+    <xsl:output method="xml" indent="yes"/>
+
+    <xsl:variable name="elts-to-inline">
+        <xsl:text>,intercept-url,form-login,x509,http-basic,logout,concurrent-session-control,remember-me,anonymous,port-mappings,password-compare-element,salt-source,filter-chain,</xsl:text>
+    </xsl:variable>
+
+    <xsl:template match="xs:element">
+        <xsl:choose>
+            <xsl:when test="contains($elts-to-inline, concat(',',substring-after(current()/@ref, ':'),','))">
+                <xsl:variable name="node" select="."/>
+                <xsl:for-each select="/xs:schema/xs:element[@name=substring-after(current()/@ref, ':')]">
+                    <xsl:copy>
+                        <xsl:apply-templates select="$node/@*[local-name() != 'ref']"/>
+                        <xsl:apply-templates select="@*|*"/>                
+                    </xsl:copy>
+                </xsl:for-each>                
+            </xsl:when>
+            <!-- Ignore global elements which have been inlined -->
+            <xsl:when test="contains($elts-to-inline, concat(',',@name,','))">
+            </xsl:when>
+            
+            <xsl:otherwise>
+                <xsl:copy>
+                    <xsl:apply-templates select="@*|*"/>
+                </xsl:copy>
+            </xsl:otherwise>            
+        </xsl:choose>
+    </xsl:template>
+
+    <!-- Copy any non-element content -->
+    <xsl:template match="text()|@*|*">
+        <xsl:copy>
+            <xsl:apply-templates select="text()|@*|*"/>
+        </xsl:copy>
+    </xsl:template>
+ 
+</xsl:stylesheet>