Fix `generate` problem caused by _boost_ update

i.e. the directory tree was not correctly created in all circumstances which led to both the `generate` and `write-file` test cases failing. This was combined with some accumulated changes such as the extraction of process context instantiation.

5 files changed, 33 insertions, 32 deletions

diff --git a/src/function/external_command.cc b/src/function/external_command.cc
index 606ff8f..dda403e 100644
--- a/src/function/external_command.cc
+++ b/src/function/external_command.cc
@@ -16,12 +16,6 @@ namespace {
 
 using InputXSLT::XercesStringGuard;
 
-inline std::string wrapOutput(const std::string& rawOutput) {
-	return std::string(
-		"<inputxslt_wrapper>" + rawOutput + "</inputxslt_wrapper>"
-	);
-}
-
 inline bool isWrappedOutput(const XMLCh* nodeName) {
 	return xercesc::XMLString::equals(
 		nodeName,
@@ -42,7 +36,7 @@ std::unique_ptr<std::stringstream> readOutput(
 		);
 	} else {
 		return std::make_unique<std::stringstream>(
-			wrapOutput(rawOutput)
+			"<inputxslt_wrapper>" + rawOutput + "</inputxslt_wrapper>"
 		);
 	}
 }
@@ -67,6 +61,20 @@ boost::optional<xercesc::DOMNode*> importDocumentElement(
 	}
 }
 
+boost::process::context createContext(
+	const InputXSLT::FilesystemContext& fsContext) {
+	boost::process::context context;
+
+	context.environment     = boost::process::self::get_environment();
+	context.stdout_behavior = boost::process::capture_stream();
+	context.stdin_behavior  = boost::process::capture_stream();
+	context.work_directory  = boost::filesystem::canonical(
+		fsContext.getBase().parent_path()
+	).string();
+
+	return context;
+}
+
 }
 
 namespace InputXSLT {
@@ -76,21 +84,13 @@ DomDocumentCache::document_ptr FunctionExternalCommand::constructDocument(
 	std::string                  command,
 	boost::optional<std::string> input
 ) const {
-	DomDocumentCache::document_ptr domDocument(
+	DomDocumentCache::document_ptr domDocument{
 		DomDocumentCache::createDocument("content")
-	);
-
-	boost::process::context context;
-	context.environment     = boost::process::self::get_environment();
-	context.stdout_behavior = boost::process::capture_stream();
-	context.stdin_behavior  = boost::process::capture_stream();
-	context.work_directory  = boost::filesystem::canonical(
-		fsContext.getBase().parent_path()
-	).string();
+	};
 
-	boost::process::child commandProcess(
-		boost::process::launch_shell(command, context)
-	);
+	boost::process::child commandProcess{
+		boost::process::launch_shell(command, createContext(fsContext))
+	};
 
 	if ( input ) {
 		boost::process::postream& inputStream = commandProcess.get_stdin();
@@ -140,7 +140,6 @@ DomDocumentCache::document_ptr FunctionExternalCommand::constructDocument(
 		result.setAttribute("result", "error");
 	}
 
-
 	return domDocument;
 }
 
diff --git a/src/function/generate.cc b/src/function/generate.cc
index b93c2f1..5cd5781 100644
--- a/src/function/generate.cc
+++ b/src/function/generate.cc
@@ -33,7 +33,7 @@ DomDocumentCache::document_ptr FunctionGenerate::constructDocument(
 			result.setAttribute("path", (*targetPath).string());
 
 			boost::filesystem::create_directories(
-				(*targetPath).parent_path()
+				boost::filesystem::absolute(*targetPath).parent_path()
 			);
 
 			boost::filesystem::ofstream file(*targetPath);
diff --git a/src/function/read_directory.cc b/src/function/read_directory.cc
index d630e5d..9dfc211 100644
--- a/src/function/read_directory.cc
+++ b/src/function/read_directory.cc
@@ -9,11 +9,11 @@ DomDocumentCache::document_ptr FunctionReadDirectory::constructDocument(
 	const FilesystemContext&,
 	boost::filesystem::path  directoryPath
 ) const {
-	DomDocumentCache::document_ptr domDocument(
+	DomDocumentCache::document_ptr domDocument{
 		DomDocumentCache::createDocument("content")
-	);
+	};
 
-	ResultNodeFacade result(domDocument.get(), "directory");
+	ResultNodeFacade result{domDocument.get(), "directory"};
 	result.setAttribute("path", directoryPath.string());
 
 	if ( boost::filesystem::is_directory(directoryPath) ) {
diff --git a/src/function/read_file.cc b/src/function/read_file.cc
index 8216034..96fa0ff 100644
--- a/src/function/read_file.cc
+++ b/src/function/read_file.cc
@@ -12,17 +12,17 @@
 namespace {
 
 inline bool isXmlFile(const boost::filesystem::path& filePath) {
-	return filePath.extension() == ".xml" ||
-	       filePath.extension() == ".xsl";
+	return filePath.extension() == ".xml"
+	    || filePath.extension() == ".xsl";
 }
 
 boost::optional<xercesc::DOMNode*> readXmlFile(
 	const boost::filesystem::path& filePath,
 	xercesc::DOMDocument* const domDocument
 ) {
-	const xercesc::LocalFileInputSource file(
+	const xercesc::LocalFileInputSource file{
 		*InputXSLT::XercesStringGuard<XMLCh>(filePath.string())
-	);
+	};
 
 	xercesc::XercesDOMParser parser;
 	parser.setDoNamespaces(true);
@@ -79,8 +79,8 @@ DomDocumentCache::document_ptr FunctionReadFile::constructDocument(
 
 				if ( auto importedNode = readXmlFile(
 					filePath,
-					domDocument.get())
-				) {
+					domDocument.get()
+				) ) {
 					result.setContent(*importedNode);
 
 					result.setAttribute("result", "success");
diff --git a/src/function/write_file.cc b/src/function/write_file.cc
index db9eea5..c402d84 100644
--- a/src/function/write_file.cc
+++ b/src/function/write_file.cc
@@ -24,7 +24,9 @@ bool serializeNodeToFile(
 
 	if ( contentType != xalan::XalanNode::DOCUMENT_NODE &&
 	     contentType != xalan::XalanNode::ATTRIBUTE_NODE ) {
-		boost::filesystem::create_directories(filePath.parent_path());
+		boost::filesystem::create_directories(
+			boost::filesystem::absolute(filePath).parent_path()
+		);
 		boost::filesystem::ofstream file(filePath);
 
 		if ( file.is_open() ) {