Implemented basic external directory traversal function

* _read-directory_ lists all files in a given directory
** currently text-only output, xml planned
* improved FilesystemContext path resolution (relative path is fully resolved by boost::filesystem)

1 files changed, 41 insertions, 0 deletions

diff --git a/src/function/read_directory.h b/src/function/read_directory.h
new file mode 100644
index 0000000..4a865f2
--- /dev/null
+++ b/src/function/read_directory.h
@@ -0,0 +1,41 @@
+#ifndef INPUTXSLT_SRC_FUNCTION_READ_DIRECTORY_H_
+#define INPUTXSLT_SRC_FUNCTION_READ_DIRECTORY_H_
+
+#include <xalanc/XalanTransformer/XalanTransformer.hpp>
+#include <xalanc/XPath/XObjectFactory.hpp>
+#include <xalanc/XPath/Function.hpp>
+#include <xalanc/XPath/XObject.hpp>
+
+#include <string>
+
+#include "common.h"
+#include "support/filesystem_context.h"
+
+namespace InputXSLT {
+
+class FunctionReadDirectory : public xalan::Function {
+	public:
+		FunctionReadDirectory(const FilesystemContext&);
+
+		virtual xalan::XObjectPtr execute(
+			xalan::XPathExecutionContext&,
+			xalan::XalanNode*,
+			const xalan::Function::XObjectArgVectorType&,
+			const xalan::Locator*
+		) const;
+
+		virtual FunctionReadDirectory* clone(xalan::MemoryManager&) const;
+
+		FunctionReadDirectory& operator=(const FunctionReadDirectory&) = delete;
+		bool operator==(const FunctionReadDirectory&) const            = delete;
+
+	private:
+		const FilesystemContext& fs_context_;
+
+		const xalan::XalanDOMString& getError(xalan::XalanDOMString&) const;
+
+};
+
+}
+
+#endif  // INPUTXSLT_SRC_FUNCTION_READ_DIRECTORY_H_