Implemented custom xercesc::DOMDocument deleter

* pointers to xercesc::DOMDocument were manually released
** this is now solved using a custom deleter for the appropriate std::unqiue_ptr template specialization
* added matching factory method to DomDocumentCache
* updated external function implementations accordingly
** "constructDocument" is now expected to return a DomDocumentCache::document_ptr instance
* updated TransformerFacade accordingly
* this change was implemented to get rid of the manual memory management required by xalan / xerces

1 files changed, 3 insertions, 7 deletions

diff --git a/src/support/dom/document_cache_item.cc b/src/support/dom/document_cache_item.cc
index 9798bfa..a684d97 100644
--- a/src/support/dom/document_cache_item.cc
+++ b/src/support/dom/document_cache_item.cc
@@ -2,20 +2,16 @@
 
 namespace InputXSLT {
 
-DomDocumentCache::item::item(xercesc::DOMDocument* document):
+DomDocumentCache::item::item(document_ptr&& document):
+	document_(std::move(document)),
 	parser_(),
 	dom_support_(parser_),
-	document_(document),
 	parsed_source_(
-		document_,
+		document_.get(),
 		parser_,
 		dom_support_
 	) { }
 
-DomDocumentCache::item::~item() {
-	this->document_->release();
-}
-
 xalan::XalanDocument* DomDocumentCache::item::getXalanDocument() {
 	return this->parsed_source_.getDocument();
 }