From e872033543129071469a0b100c0a36c18a6b519b Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Thu, 17 Jul 2014 21:18:25 +0200
Subject: Implemented basic page compilation facilities * templates in
 'template/compiler' are automatically generated ** required datasources are
 extracted and merged automatically ** 'pages.xsl' is currently a dummy
 compiler * moved context helper templates into context stylesheet * added
 compiler directory to meta DOM * modified generator and transformer helper
 templates to enable usage of DOM as input

---
 generate.xsl                  | 80 +++++++++++++++++++++++++++----------------
 meta.xml                      |  1 +
 template/compiler/pages.xsl   | 25 ++++++++++++++
 template/datasource/pages.xsl |  8 +----
 utility/context.xsl           | 49 ++++++++++++++++++++++++++
 utility/datasource.xsl        |  2 +-
 utility/generator.xsl         |  4 +--
 utility/transformer.xsl       |  2 +-
 8 files changed, 131 insertions(+), 40 deletions(-)
 create mode 100644 template/compiler/pages.xsl
 create mode 100644 utility/context.xsl

diff --git a/generate.xsl b/generate.xsl
index 65a49f3..e0e8121 100644
--- a/generate.xsl
+++ b/generate.xsl
@@ -14,55 +14,77 @@
 	indent="yes"
 />
 
-<xsl:include href="utility/transformer.xsl"/>
-<xsl:include href="utility/generator.xsl"/>
+<xsl:include href="utility/context.xsl"/>
+<xsl:include href="utility/reader.xsl"/>
 
-<xsl:variable name="context" select="/"/>
-
-<xsl:template name="transform_in_context">
-	<xsl:param name="input"/>
+<xsl:template name="generate_datasource">
+	<xsl:param name="source"/>
 	<xsl:param name="transformation"/>
 
-	<xsl:call-template name="transformer">
-		<xsl:with-param name="input">
-			<data>
-				<xsl:copy-of select="$context"/>
-				<xsl:copy-of select="$input"/>
-			</data>
-		</xsl:with-param>
-		<xsl:with-param name="transformation" select="$transformation"/>
+	<xsl:call-template name="generate_in_context">
+		<xsl:with-param name="input"          select="$source"/>
+		<xsl:with-param name="transformation" select="string($transformation/full)"/>
+		<xsl:with-param name="target"         select="concat($context/target/datasource, '/', $transformation/name, '.xml')"/>
 	</xsl:call-template>
 </xsl:template>
 
-<xsl:template name="generate_in_context">
-	<xsl:param name="input"/>
+<xsl:template name="read_datasource">
+	<xsl:param name="name"/>
+
+	<xsl:variable name="datasource">
+		<xsl:call-template name="reader">
+			<xsl:with-param name="path" select="concat($context/target/datasource, '/', $name)"/>
+		</xsl:call-template>
+	</xsl:variable>
+
+	<datasource name="{$name}">
+		<xsl:copy-of select="xalan:nodeset($datasource)/datasource/*"/>
+	</datasource>
+</xsl:template>
+
+<xsl:template name="compile">
 	<xsl:param name="transformation"/>
-	<xsl:param name="target"/>
 
-	<xsl:call-template name="generator">
+	<xsl:variable name="stylesheet">
+		<xsl:call-template name="reader">
+			<xsl:with-param name="path" select="$transformation/full"/>
+		</xsl:call-template>
+	</xsl:variable>
+
+	<xsl:variable name="datasources" select="
+		xalan:nodeset($stylesheet)/*[name() = 'xsl:stylesheet']
+		                          /*[name() = 'xsl:variable' and @name = 'datasources']
+	"/>
+
+	<xsl:call-template name="transform_in_context">
 		<xsl:with-param name="input">
-			<data>
-				<xsl:copy-of select="$context"/>
-				<xsl:copy-of select="$input"/>
-			</data>
+			<xsl:for-each select="$datasources/file">
+				<xsl:call-template name="read_datasource">
+					<xsl:with-param name="name" select="@name"/>
+				</xsl:call-template>
+			</xsl:for-each>
 		</xsl:with-param>
-		<xsl:with-param name="transformation" select="$transformation"/>
-		<xsl:with-param name="target"         select="$target"/>
+		<xsl:with-param name="transformation" select="$stylesheet"/>
 	</xsl:call-template>
 </xsl:template>
 
 <xsl:template match="meta">
 	<xsl:variable name="source">
 		<xsl:call-template name="transform_in_context">
-			<xsl:with-param name="transformation">[source.xsl]</xsl:with-param>
+			<xsl:with-param name="transformation" select="string('[source.xsl]')"/>
 		</xsl:call-template>
 	</xsl:variable>
 
 	<xsl:for-each select="InputXSLT:read-directory(./source/datasource)/entry[./extension = '.xsl']">
-		<xsl:call-template name="generate_in_context">
-			<xsl:with-param name="input"          select="$source"/>
-			<xsl:with-param name="transformation" select="./full"/>
-			<xsl:with-param name="target"         select="concat($context/meta/target/datasource, '/', ./name, '.xml')"/>
+		<xsl:call-template name="generate_datasource">
+			<xsl:with-param name="source"         select="$source"/>
+			<xsl:with-param name="transformation" select="."/>
+		</xsl:call-template>
+	</xsl:for-each>
+
+	<xsl:for-each select="InputXSLT:read-directory(./source/compiler)/entry[./extension = '.xsl']">
+		<xsl:call-template name="compile">
+			<xsl:with-param name="transformation" select="."/>
 		</xsl:call-template>
 	</xsl:for-each>
 </xsl:template>
diff --git a/meta.xml b/meta.xml
index 0c0e67c..3dca27c 100644
--- a/meta.xml
+++ b/meta.xml
@@ -9,6 +9,7 @@
 	<source>
 		<content>/home/common/projects/dev/static_site_generator/source</content>
 		<datasource>/home/common/projects/dev/static_site_generator/template/datasource</datasource>
+		<compiler>/home/common/projects/dev/static_site_generator/template/compiler</compiler>
 		<output>/home/common/projects/dev/static_site_generator/template/output</output>
 	</source>
 </meta>
diff --git a/template/compiler/pages.xsl b/template/compiler/pages.xsl
new file mode 100644
index 0000000..f4ada83
--- /dev/null
+++ b/template/compiler/pages.xsl
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet
+	version="1.0"
+	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+	xmlns:xalan="http://xml.apache.org/xalan"
+	xmlns:InputXSLT="function.inputxslt.application"
+	exclude-result-prefixes="xalan InputXSLT"
+>
+
+<xsl:output
+	method="xml"
+	omit-xml-declaration="no"
+	encoding="UTF-8"
+	indent="yes"
+/>
+
+<xsl:variable name="datasources">
+	<file name="pages.xml"/>
+</xsl:variable>
+
+<xsl:template match="datasource[@name = 'pages.xml']/entry">
+	<compile>Compile page: <xsl:value-of select="@handle"/></compile>
+</xsl:template>
+
+</xsl:stylesheet>
diff --git a/template/datasource/pages.xsl b/template/datasource/pages.xsl
index c77513a..5c036c9 100644
--- a/template/datasource/pages.xsl
+++ b/template/datasource/pages.xsl
@@ -10,13 +10,7 @@
 <xsl:include href="[utility/datasource.xsl]"/>
 <xsl:include href="[utility/formatter.xsl]"/>
 
-<xsl:template match="source/pages">
-	<pages>
-		<xsl:apply-templates select="./*"/>
-	</pages>
-</xsl:template>
-
-<xsl:template match="file[./extension = '.md']">
+<xsl:template match="source/pages/file[./extension = '.md']">
 	<entry handle="{./name}">
 		<xsl:choose>
 			<xsl:when test="./extension = '.md'">
diff --git a/utility/context.xsl b/utility/context.xsl
new file mode 100644
index 0000000..87447bf
--- /dev/null
+++ b/utility/context.xsl
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet
+	version="1.0"
+	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+	xmlns:xalan="http://xml.apache.org/xalan"
+	xmlns:InputXSLT="function.inputxslt.application"
+	exclude-result-prefixes="xalan InputXSLT"
+>
+
+<xsl:include href="generator.xsl"/>
+<xsl:include href="transformer.xsl"/>
+
+<xsl:variable name="context" select="meta"/>
+
+<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="$context"/>
+				<xsl:copy-of select="$input"/>
+			</data>
+		</xsl:with-param>
+		<xsl:with-param name="transformation" select="$transformation"/>
+	</xsl:call-template>
+</xsl:template>
+
+<xsl:template name="generate_in_context">
+	<xsl:param name="input"/>
+	<xsl:param name="transformation"/>
+	<xsl:param name="target"/>
+
+	<xsl:call-template name="generator">
+		<xsl:with-param name="input">
+			<data>
+				<xsl:copy-of select="$context"/>
+				<xsl:copy-of select="$input"/>
+			</data>
+		</xsl:with-param>
+		<xsl:with-param name="transformation" select="$transformation"/>
+		<xsl:with-param name="target"         select="$target"/>
+	</xsl:call-template>
+</xsl:template>
+
+<xsl:template match="text()|@*"/>
+
+</xsl:stylesheet>
diff --git a/utility/datasource.xsl b/utility/datasource.xsl
index 02b37d1..8ce224c 100644
--- a/utility/datasource.xsl
+++ b/utility/datasource.xsl
@@ -14,7 +14,7 @@
 	indent="yes"
 />
 
-<xsl:template match="data">
+<xsl:template match="/">
 	<datasource>
 		<xsl:apply-templates />
 	</datasource>
diff --git a/utility/generator.xsl b/utility/generator.xsl
index ca6f0c3..eb65996 100644
--- a/utility/generator.xsl
+++ b/utility/generator.xsl
@@ -14,8 +14,8 @@
 
 	<xsl:copy-of select="InputXSLT:generate(
 		$input,
-		string($transformation),
-		string($target)
+		$transformation,
+		$target
 	)/self::generation"/>
 </xsl:template>
 
diff --git a/utility/transformer.xsl b/utility/transformer.xsl
index 6c85a4e..0812f33 100644
--- a/utility/transformer.xsl
+++ b/utility/transformer.xsl
@@ -13,7 +13,7 @@
 
 	<xsl:copy-of select="InputXSLT:transform(
 		$input,
-		string($transformation)
+		$transformation
 	)/self::transformation/*"/>
 </xsl:template>
 
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