From 9aad4dffd9c8b0fde534b3abc3c27875547423fa Mon Sep 17 00:00:00 2001
From: Adrian Kummerländer
Date: Mon, 5 May 2014 20:42:36 +0200
Subject: Encapsulated common parts of external function inplementations *
 common parts were moved into CRTP template base class _FunctionBase_ * all
 external functions are derived from that class ** only have to implement
 _constructDocument_ member method ** currently only supports a single string
 input parameter which is enough for now * this change condenses external
 funtion implementations to the essential and should increase readability as
 well as maintainability

---
 src/function/read_directory.h | 35 +++++++++--------------------------
 1 file changed, 9 insertions(+), 26 deletions(-)

(limited to 'src/function/read_directory.h')

diff --git a/src/function/read_directory.h b/src/function/read_directory.h
index 02a0305..2c28642 100644
--- a/src/function/read_directory.h
+++ b/src/function/read_directory.h
@@ -1,38 +1,21 @@
 #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 <memory>
-
-#include "common.h"
-#include "support/dom/document_cache.h"
+#include "base.h"
 
 namespace InputXSLT {
 
-class FunctionReadDirectory : public xalan::Function {
+class FunctionReadDirectory : public FunctionBase<FunctionReadDirectory> {
 	public:
-		FunctionReadDirectory();
-
-		virtual xalan::XObjectPtr execute(
-			xalan::XPathExecutionContext&,
-			xalan::XalanNode*,
-			const xalan::XObjectPtr,
-			const xalan::Locator*
-		) const;
-
-		virtual FunctionReadDirectory* clone(xalan::MemoryManager&) const;
-
-		FunctionReadDirectory& operator=(const FunctionReadDirectory&) = delete;
-		bool operator==(const FunctionReadDirectory&) const            = delete;
+		using FunctionBase<FunctionReadDirectory>::FunctionBase;
 
-	private:
-		std::shared_ptr<DomDocumentCache> document_cache_;
+	protected:
+		friend FunctionBase<FunctionReadDirectory>;
 
-		const xalan::XalanDOMString& getError(xalan::XalanDOMString&) const;
+		xercesc::DOMDocument* constructDocument(
+			const FilesystemContext&,
+			const boost::filesystem::path&
+		);
 
 };
 
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