Changed FunctionTransform result type to node-set

* using xalan::FormatterToXercesDOM internally
** this required changes to the TransformationFacade::generate member method overloads
* TransformationFacade::generate now accepts references to xalan::FormatterListener instances
** "generate(std::basic_ostream<char>&..." instantiates a xalan::FormatterToXML and passes it to the actual generate member method
* changed ResultNodeFacade's "getNode" method into a "getResultElement" method
** xalan::FormatterToXercesDOM requires a xercesc::DOMElement instance instead of the previously available xercesc::DOMNode instance
** changed FunctionReadDirectory accordingly
* adapted FunctionTransform test case accordingly

6 files changed, 37 insertions, 35 deletions

diff --git a/src/function/read_directory.cc b/src/function/read_directory.cc
index 884963e..d5357e8 100644
--- a/src/function/read_directory.cc
+++ b/src/function/read_directory.cc
@@ -29,7 +29,7 @@ xercesc::DOMDocument* FunctionReadDirectory::constructDocument(
 	if ( boost::filesystem::is_directory(directoryPath) ) {
 		result.setAttribute("result", "success");
 
-		xercesc::DOMNode* const resultNode = result.getNode();
+		xercesc::DOMNode* const resultNode = result.getResultElement();
 
 		FilesystemContext::iterate(
 			directoryPath,
diff --git a/src/function/transform.cc b/src/function/transform.cc
index bc71125..1d22399 100644
--- a/src/function/transform.cc
+++ b/src/function/transform.cc
@@ -1,11 +1,11 @@
 #include "transform.h"
 
+#include <xalanc/XercesParserLiaison/FormatterToXercesDOM.hpp>
+
 #include <xercesc/dom/DOMDocument.hpp>
 #include <xercesc/dom/DOMImplementation.hpp>
 #include <xercesc/dom/DOMElement.hpp>
 
-#include <sstream>
-
 #include "transformation_facade.h"
 #include "support/xerces_string_guard.h"
 #include "support/dom/result_node_facade.h"
@@ -43,11 +43,11 @@ xercesc::DOMDocument* FunctionTransform::constructDocument(
 		)
 	);
 
-	xercesc::DOMNode* const rootNode(
+	xercesc::DOMElement* const rootElement(
 		domDocument->getDocumentElement()
 	);
 
-	ResultNodeFacade result(domDocument, rootNode, "transformation");
+	ResultNodeFacade result(domDocument, rootElement, "transformation");
 
 	if ( auto transformation = TransformationFacade::try_create(
 		handleErrors(result),
@@ -56,17 +56,16 @@ xercesc::DOMDocument* FunctionTransform::constructDocument(
 		this->include_resolver_
 	) ) {
 		try {
-			std::stringstream targetStream;
+			xalan::FormatterToXercesDOM formatter(
+				domDocument,
+				result.getResultElement()
+			);
 
 			transformation->generate(
-				targetStream,
+				formatter,
 				parameterObject
 			);
 
-			result.setContent(
-				targetStream.str()
-			);
-
 			result.setAttribute("result", "success");
 		}
 		catch (const ErrorCapacitor::exception& exception) {
diff --git a/src/support/dom/result_node_facade.cc b/src/support/dom/result_node_facade.cc
index eeb2cc6..570b4e1 100644
--- a/src/support/dom/result_node_facade.cc
+++ b/src/support/dom/result_node_facade.cc
@@ -22,7 +22,7 @@ ResultNodeFacade::~ResultNodeFacade() {
 	this->root_node_->appendChild(this->result_node_);
 }
 
-xercesc::DOMNode* ResultNodeFacade::getNode() {
+xercesc::DOMElement* ResultNodeFacade::getResultElement() {
 	return this->result_node_;
 }
 
diff --git a/src/support/dom/result_node_facade.h b/src/support/dom/result_node_facade.h
index bf73582..c7e831e 100644
--- a/src/support/dom/result_node_facade.h
+++ b/src/support/dom/result_node_facade.h
@@ -18,7 +18,7 @@ class ResultNodeFacade {
 		);
 		~ResultNodeFacade();
 
-		xercesc::DOMNode* getNode();
+		xercesc::DOMElement* getResultElement();
 
 		void setAttribute(const std::string&, const std::string&);
 		void setValueNode(const std::string&, const std::string&);
diff --git a/src/transformation_facade.cc b/src/transformation_facade.cc
index 9d248b8..4017cd0 100644
--- a/src/transformation_facade.cc
+++ b/src/transformation_facade.cc
@@ -2,6 +2,9 @@
 
 #include <xalanc/XSLT/XSLTInputSource.hpp>
 #include <xalanc/XalanTransformer/XalanCompiledStylesheet.hpp>
+#include <xalanc/PlatformSupport/XalanOutputStreamPrintWriter.hpp>
+#include <xalanc/PlatformSupport/XalanStdOutputStream.hpp>
+#include <xalanc/XMLSupport/FormatterToXML.hpp>
 
 #include "support/xerces_string_guard.h"
 
@@ -66,42 +69,45 @@ WarningCapacitor::warning_cache_ptr TransformationFacade::getCachedWarnings() {
 	return this->warning_capacitor_.discharge();
 }
 
-void TransformationFacade::generate(std::basic_ostream<char>& targetStream) {
+void TransformationFacade::generate(
+	std::basic_ostream<char>& targetStream,
+	const xalan::XObjectPtr&  parameter
+) {
 	StylesheetParameterGuard guard(this->transformer_);
+	guard.set("parameters", parameter);
 
-	this->generate(targetStream, guard);
+	this->generate(targetStream);
 }
 
-void TransformationFacade::generate(
-	std::basic_ostream<char>&            targetStream,
-	const StylesheetParameterGuard::map& parameters
-) {
-	StylesheetParameterGuard guard(this->transformer_, parameters);
+void TransformationFacade::generate(std::basic_ostream<char>& targetStream) {
+	StylesheetParameterGuard guard(this->transformer_);
+
+	xalan::XalanStdOutputStream outputStream(targetStream);
+	xalan::XalanOutputStreamPrintWriter outputWriter(outputStream);
 
-	this->generate(targetStream, guard);
+	xalan::FormatterToXML formatter(outputWriter);
+	formatter.setDoIndent(true);
+
+	this->generate(formatter);
 }
 
 void TransformationFacade::generate(
-	std::basic_ostream<char>& targetStream,
+	xalan::FormatterListener& formatter,
 	const xalan::XObjectPtr&  parameter
 ) {
 	StylesheetParameterGuard guard(this->transformer_);
 	guard.set("parameters", parameter);
 
-	this->generate(targetStream, guard);
+	this->generate(formatter);
 }
 
-
-void TransformationFacade::generate(
-	std::basic_ostream<char>& targetStream,
-	StylesheetParameterGuard&
-) {
+void TransformationFacade::generate(xalan::FormatterListener& target) {
 	ErrorCapacitor errorCapacitor(&this->error_multiplexer_);
 
 	this->transformer_.transform(
 		*(this->input_),
 		this->transformation_,
-		targetStream
+		target
 	);
 
 	errorCapacitor.discharge();
diff --git a/src/transformation_facade.h b/src/transformation_facade.h
index ca57de4..e4cbc10 100644
--- a/src/transformation_facade.h
+++ b/src/transformation_facade.h
@@ -39,9 +39,11 @@ class TransformationFacade {
 		);
 
 		void generate(std::basic_ostream<char>&);
-		void generate(std::basic_ostream<char>&, const StylesheetParameterGuard::map&);
 		void generate(std::basic_ostream<char>&, const xalan::XObjectPtr&);
 
+		void generate(xalan::FormatterListener&);
+		void generate(xalan::FormatterListener&, const xalan::XObjectPtr&);
+
 		WarningCapacitor::warning_cache_ptr getCachedWarnings();
 
 	private:
@@ -52,11 +54,6 @@ class TransformationFacade {
 		ErrorMultiplexer error_multiplexer_;
 		WarningCapacitor warning_capacitor_;
 
-		void generate(
-			std::basic_ostream<char>&,
-			StylesheetParameterGuard&
-		);
-
 };
 
 template <typename... Arguments>