Added "transform_in_context" helper template

* handles inclusion of the meta DOM in the input source of transformations called through that template
** i.e. simplifies transformation chaining

1 files changed, 24 insertions, 14 deletions

diff --git a/generate.xsl b/generate.xsl
index cba8bea..f307085 100644
--- a/generate.xsl
+++ b/generate.xsl
@@ -16,26 +16,36 @@
 
 <xsl:include href="utility/transformer.xsl"/>
 
-<xsl:template match="meta">
+<xsl:variable name="context" select="/"/>
+
+<xsl:template name="transform_in_context">
+	<xsl:param name="input"/>
+	<xsl:param name="transformation"/>
+
 	<xsl:call-template name="transformer">
 		<xsl:with-param name="input">
 			<data>
-				<xsl:copy-of select="."/>
-				<xsl:call-template name="transformer">
-					<xsl:with-param name="input">
-						<data>
-							<xsl:copy-of select="."/>
-							<xsl:call-template name="transformer">
-								<xsl:with-param name="input" select="."/>
-								<xsl:with-param name="transformation">[source.xsl]</xsl:with-param>
-							</xsl:call-template>
-						</data>
-					</xsl:with-param>
-					<xsl:with-param name="transformation">[datasource.xsl]</xsl:with-param>
-				</xsl:call-template>
+				<xsl:copy-of select="$context"/>
+				<xsl:copy-of select="$input"/>
 			</data>
 		</xsl:with-param>
+		<xsl:with-param name="transformation" select="$transformation"/>
+	</xsl:call-template>
+</xsl:template>
+
+<xsl:template match="meta">
+	<xsl:call-template name="transform_in_context">
 		<xsl:with-param name="transformation">[result.xsl]</xsl:with-param>
+		<xsl:with-param name="input">
+			<xsl:call-template name="transform_in_context">
+				<xsl:with-param name="transformation">[datasource.xsl]</xsl:with-param>
+				<xsl:with-param name="input">
+					<xsl:call-template name="transform_in_context">
+						<xsl:with-param name="transformation">[source.xsl]</xsl:with-param>
+					</xsl:call-template>
+				</xsl:with-param>
+			</xsl:call-template>
+		</xsl:with-param>
 	</xsl:call-template>
 </xsl:template>