1 files changed, 77 insertions, 0 deletions
diff --git a/src/function/execute.cc b/src/function/execute.cc
new file mode 100644
index 0000000..f19ba75
--- /dev/null
+++ b/src/function/execute.cc
@@ -0,0 +1,77 @@
+#include "execute.h"
+
+#include <xercesc/dom/DOMDocument.hpp>
+#include <xercesc/dom/DOMImplementation.hpp>
+#include <xercesc/dom/DOMElement.hpp>
+
+#include <boost/process.hpp>
+
+#include "support/xerces_string_guard.h"
+#include "support/dom/result_node_facade.h"
+
+namespace InputXSLT {
+
+xercesc::DOMDocument* FunctionExecute::constructDocument(
+	const InputXSLT::FilesystemContext&,
+	const FunctionBase::parameter_tuple& parameters
+) {
+	const std::string& executablePath(
+		std::get<0>(parameters)
+	);
+
+	const std::string& stdinText(
+		std::get<1>(parameters)
+	);
+
+	xercesc::DOMDocument* const domDocument(
+		xercesc::DOMImplementation::getImplementation()->createDocument(
+			nullptr,
+			*XercesStringGuard<XMLCh>("content"),
+			nullptr
+		)
+	);
+
+	xercesc::DOMNode* const rootNode(
+		domDocument->getDocumentElement()
+	);
+
+	boost::process::context context;
+	context.stdout_behavior = boost::process::capture_stream();
+	context.stdin_behavior  = boost::process::capture_stream();
+
+	boost::process::child process(
+		boost::process::launch(
+			executablePath,
+			std::vector<std::string>{""},
+			context
+		)
+	);
+
+	boost::process::postream& inputStream  = process.get_stdin();
+	boost::process::pistream& outputStream = process.get_stdout();
+
+	inputStream << stdinText;
+	inputStream.close();
+
+	const std::string resultText(
+		(std::istreambuf_iterator<char>(outputStream)),
+		(std::istreambuf_iterator<char>())
+	);
+
+	boost::process::status status = process.wait();
+
+	if ( status.exited() ) {
+		ResultNodeFacade result(domDocument, rootNode, "result");
+
+		result.setValueNode("code",   std::to_string(status.exit_status()));
+		result.setValueNode("output", resultText);
+	} else {
+		ResultNodeFacade result(domDocument, rootNode, "error");
+
+		result.setValueNode("code", std::to_string(status.exit_status()));
+	}
+
+	return domDocument;
+}
+
+}