From a8be7f7dde5cf0d51026de0e6bc4d0f59f41c4b6 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Fri, 27 Jun 2014 21:35:46 +0200
Subject: Updated README.md and added "write-file" test case * slightly
 improved FunctionTransform test case utility templates

---
 README.md                          |  4 +++-
 test/read_directory/reference.xml  |  3 +++
 test/transform/transformation.xsl  | 14 ++++++--------
 test/write_file/reference.xml      |  3 +++
 test/write_file/transformation.xsl | 26 ++++++++++++++++++++++++++
 5 files changed, 41 insertions(+), 9 deletions(-)
 create mode 100644 test/write_file/reference.xml
 create mode 100644 test/write_file/transformation.xsl

diff --git a/README.md b/README.md
index 513e930..f60b342 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # InputXSLT
 
-... is a proof-of-concept implementation of external read-only file access functions for XSLT based on Apache [xalan](https://xalan.apache.org/) and [xerces](https://xerces.apache.org/).
+... is a proof-of-concept implementation of external ~~read-only~~ file access functions for XSLT based on Apache [xalan](https://xalan.apache.org/) and [xerces](https://xerces.apache.org/).
 
 ## Why?!
 
@@ -9,6 +9,8 @@ Contrary to popular opinion I actually like XSLT as a content transformation lan
 ## Current features:
 
 - external `read-file` function for read-only access to both plain and xml files
+- external `write-file` function for writing files
+- external `read-directory` function for read-only directory traversal
 - external `read-directory` function for read-only directory traversal
 - external `transform` function for executing transformations inside transformations
 - external `external-text-formatter` function for executing text formatters and capturing their XML output
diff --git a/test/read_directory/reference.xml b/test/read_directory/reference.xml
index 4c1000b..b2eac35 100644
--- a/test/read_directory/reference.xml
+++ b/test/read_directory/reference.xml
@@ -28,4 +28,7 @@
 <item type="directory">
 <name>transform</name>
 </item>
+<item type="directory">
+<name>write_file</name>
+</item>
 </test_case>
diff --git a/test/transform/transformation.xsl b/test/transform/transformation.xsl
index 99933ba..ba17981 100644
--- a/test/transform/transformation.xsl
+++ b/test/transform/transformation.xsl
@@ -14,9 +14,7 @@
 	<xsl:param name="transformation"/>
 	<xsl:param name="parameters"/>
 
-	<xsl:variable name="stylesheet" select="
-		InputXSLT:read-file(string($transformation))
-	"/>
+	<xsl:variable name="stylesheet" select="InputXSLT:read-file($transformation)"/>
 
 	<xsl:choose>
 		<xsl:when test="$stylesheet/self::file/@result = 'success'">
@@ -53,15 +51,15 @@
 		<xsl:when test="xalan:nodeset($result)/transformation/@result = 'success'">
 			<xsl:variable name="writeResult" select="
 				InputXSLT:write-file(
-					string($target),
+					$target,
 					xalan:nodeset($result)/transformation/text()
 				)
 			"/>
 
-			<transformation result="success" target="{$target}"/>
+			<generator result="success" target="{$target}"/>
 		</xsl:when>
 		<xsl:otherwise>
-			<transformation result="error" target="{$target}"/>
+			<generator result="error" target="{$target}"/>
 		</xsl:otherwise>
 	</xsl:choose>
 </xsl:template>
@@ -78,13 +76,13 @@
 	</xsl:variable>
 
 	<xsl:choose>
-		<xsl:when test="xalan:nodeset($result)/transformation/@result = 'success'">
+		<xsl:when test="xalan:nodeset($result)/generator/@result = 'success'">
 			<xsl:copy-of select="
 				InputXSLT:read-file('test_actual.xml')/test_case/transform_test/*
 			"/>
 		</xsl:when>
 		<xsl:otherwise>
-			<xsl:copy-of select="xalan:nodeset($result)/transformation/*"/>
+			<xsl:copy-of select="xalan:nodeset($result)/generator/*"/>
 		</xsl:otherwise>
 	</xsl:choose>
 </xsl:template>
diff --git a/test/write_file/reference.xml b/test/write_file/reference.xml
new file mode 100644
index 0000000..ba10cf5
--- /dev/null
+++ b/test/write_file/reference.xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<test_case>Hello world!
+</test_case>
diff --git a/test/write_file/transformation.xsl b/test/write_file/transformation.xsl
new file mode 100644
index 0000000..f65e62d
--- /dev/null
+++ b/test/write_file/transformation.xsl
@@ -0,0 +1,26 @@
+<?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="InputXSLT xalan"
+>
+
+<xsl:import href="[testcase.xsl]"/>
+
+<xsl:template name="implementation">
+	<xsl:variable name="result" select="InputXSLT:write-file('test.txt', 'Hello world!')"/>
+	<xsl:variable name="content" select="InputXSLT:read-file('test.txt')"/>
+
+	<xsl:choose>
+		<xsl:when test="$content/self::file/@result = 'success'">
+			<xsl:value-of select="$content/self::file/text()"/>
+		</xsl:when>
+		<xsl:otherwise>
+			Error during file io
+		</xsl:otherwise>
+	</xsl:choose>
+</xsl:template>
+
+</xsl:stylesheet>
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