Added ArgumentCount parameter to FunctionBase template

* constructDocument member method is provided with a FunctionBase::argument_array instance
* improved argument validation in FunctionBase
* this parameter was added to support FunctionBase as a base class for FunctionTransform

1 files changed, 2 insertions, 2 deletions

diff --git a/src/function/read_file.h b/src/function/read_file.h
index 90139f4..e7b746c 100644
--- a/src/function/read_file.h
+++ b/src/function/read_file.h
@@ -5,7 +5,7 @@
 
 namespace InputXSLT {
 
-class FunctionReadFile : public FunctionBase<FunctionReadFile> {
+class FunctionReadFile : public FunctionBase<FunctionReadFile, 1> {
 	public:
 		using FunctionBase::FunctionBase;
 
@@ -14,7 +14,7 @@ class FunctionReadFile : public FunctionBase<FunctionReadFile> {
 
 		xercesc::DOMDocument* constructDocument(
 			const FilesystemContext&,
-			const boost::filesystem::path&
+			const FunctionBase::argument_array&
 		);
 
 };