Added basic external read file function test case

* ... as a test of how well we are able to test DOM structures
* required change of constructDocument visibility

5 files changed, 4 insertions, 9 deletions

diff --git a/src/function/read_directory.h b/src/function/read_directory.h
index 2c28642..d34a80a 100644
--- a/src/function/read_directory.h
+++ b/src/function/read_directory.h
@@ -9,9 +9,6 @@ class FunctionReadDirectory : public FunctionBase<FunctionReadDirectory> {
 	public:
 		using FunctionBase<FunctionReadDirectory>::FunctionBase;
 
-	protected:
-		friend FunctionBase<FunctionReadDirectory>;
-
 		xercesc::DOMDocument* constructDocument(
 			const FilesystemContext&,
 			const boost::filesystem::path&
diff --git a/src/function/read_file.h b/src/function/read_file.h
index fd36847..b89263e 100644
--- a/src/function/read_file.h
+++ b/src/function/read_file.h
@@ -9,9 +9,6 @@ class FunctionReadFile : public FunctionBase<FunctionReadFile> {
 	public:
 		using FunctionBase<FunctionReadFile>::FunctionBase;
 
-	protected:
-		friend FunctionBase<FunctionReadFile>;
-
 		xercesc::DOMDocument* constructDocument(
 			const FilesystemContext&,
 			const boost::filesystem::path&
diff --git a/src/function/read_xml_file.h b/src/function/read_xml_file.h
index 5314b4a..b1d165d 100644
--- a/src/function/read_xml_file.h
+++ b/src/function/read_xml_file.h
@@ -9,9 +9,6 @@ class FunctionReadXmlFile : public FunctionBase<FunctionReadXmlFile> {
 	public:
 		using FunctionBase<FunctionReadXmlFile>::FunctionBase;
 
-	protected:
-		friend FunctionBase<FunctionReadXmlFile>;
-
 		xercesc::DOMDocument* constructDocument(
 			const FilesystemContext&,
 			const boost::filesystem::path&
diff --git a/src/support/filesystem_context.cc b/src/support/filesystem_context.cc
index 418d159..6ddbf7a 100644
--- a/src/support/filesystem_context.cc
+++ b/src/support/filesystem_context.cc
@@ -25,6 +25,9 @@ FilesystemContext::FilesystemContext(const xalan::Locator* locator):
 		).parent_path().string()
 	)) { }
 
+FilesystemContext::FilesystemContext(const std::string& path):
+	path_(boost::filesystem::canonical(path)) { }
+
 boost::filesystem::path FilesystemContext::resolve(
 	const std::string& path) const {
 	return absolute(this->path_ / path);
diff --git a/src/support/filesystem_context.h b/src/support/filesystem_context.h
index 05d5862..6322da6 100644
--- a/src/support/filesystem_context.h
+++ b/src/support/filesystem_context.h
@@ -16,6 +16,7 @@ namespace InputXSLT {
 class FilesystemContext {
 	public:
 		explicit FilesystemContext(const xalan::Locator*);
+		explicit FilesystemContext(const std::string&);
 
 		boost::filesystem::path resolve(const std::string&) const;
 		boost::filesystem::path resolve(const xalan::XalanDOMString&) const;