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authorAdrian Kummerländer2014-04-23 21:26:58 +0200
committerAdrian Kummerländer2014-04-23 21:26:58 +0200
commit525aa8c4dc3e23f0369c7edb1fb507ecad5f43bf (patch)
tree6044c2876a55ed4c794bd577909225c49015d402 /dummy
parent30ae1cc66daf8acbb556ec761f96690a2fa74637 (diff)
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Fixed xerces DOM construction related memory leaks
* Wrapped xerces DOM and support class instances in now DomDocumentGuard scope-guard class * FunctionReadDirectory class contains interal std::stack instance to store DomDocumentGuard instances ** wrapped in std::shared_ptr as FunctionReadDirectory is internally cloned by xalan... ** this is needed as the DOM has to preserved longer than the external function execution scope * Sadly XMLCh xerces strings have to be manually released ** added appropriate xercesc::XMLString::release calls * xalan::XercesDOMWrapperParsedSource does not mirror a given xerces DOM but convert it on instantiation ** this is why there is a dedicated finalize member method in InputXSLT::DomDocumentGuard * In short: I do not like the amount of trickery needed to simply prevent memory leaks in this context ** there sadly doesn't seem to be a substantially easier way to return arbitrary DOM trees from a external function
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