Further code style fixes

* .. in the face of the planned development of usable external functions using the current proof-of-concept coding
* replaced usage of std::shared_ptr in FunctionReadXmlFile class with explicit implementation of default and copy constructor
* separated implementation and interfaces

1 files changed, 49 insertions, 0 deletions

diff --git a/src/function/read_file.cc b/src/function/read_file.cc
new file mode 100644
index 0000000..efc1f61
--- /dev/null
+++ b/src/function/read_file.cc
@@ -0,0 +1,49 @@
+#include "read_file.h"
+
+namespace InputXSLT {
+
+xalan::XObjectPtr FunctionReadFile::execute(
+	xalan::XPathExecutionContext&                executionContext,
+	xalan::XalanNode*                            context,
+	const xalan::Function::XObjectArgVectorType& arguments,
+	const xalan::Locator*                        locator
+) const {
+	if ( arguments.size() != 1 ) {
+		xalan::XPathExecutionContext::GetAndReleaseCachedString guard(
+			executionContext
+		);
+
+		generalError(executionContext, context, locator);
+	}
+
+	xalan::CharVectorType fileNameVector;
+	std::string fileNameString;
+
+	arguments[0]->str().transcode(fileNameVector);
+
+	std::move(
+		fileNameVector.begin(),
+		fileNameVector.end(),
+		fileNameString.begin()
+	);
+
+	return executionContext.getXObjectFactory().createString(
+		xalan::XalanDOMString(
+			InputXSLT::readFile(fileNameString).data()
+		)
+	);
+}
+
+FunctionReadFile* FunctionReadFile::clone(
+	xalan::MemoryManager& manager) const {
+	return xalan::XalanCopyConstruct(manager, *this);
+}
+
+const xalan::XalanDOMString& FunctionReadFile::getError(
+	xalan::XalanDOMString& result) const {
+	result.assign("The read-file() function expects one argument.");
+
+	return result;
+}
+
+}