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2014-06-17Added context awareness to XObjectValue casting logicAdrian Kummerlaender
* added support for defining boost::filesystem::path as a external function parameter ** boost::filesystem::path parameters are resolved against the appropriate FilesystemContext and IncludeEntityResolver instances * xalan::XSLTInputSource parameter source paths are also resolved * removed need for passing a reference FilesystemContext to "constructDocument" methods ** they now only accept the parameters of the external function implemented by them ** all path resolution logic is wrapped by the newly created XObjectValue class * converted XObjectValue namespace into class ** the "get" template method is now a template member method ** this was needed to enable value casting logic to access the appropriate FilesystemContext and IncludeEntityResolver instances * this commit marks the next step towards the goals defined in 741a70f
2014-06-08Handling xercesc::DOMException in "read-xml-file" and "external-text-formatter"Adrian Kummerländer
* external DOM may cause xercesc::DOMException's to be thrown instead of passing all errors to the custom error handlers ** these exceptions are handled by this commit by setting the "result" attribute to "error" and adding "error" value nodes with further information
2014-06-07Improved FunctionBase constructDocument parameter propagationAdrian Kummerländer
* replaced std::tuple constructing Mapper template methods with direct XObjectArgVectorType unpacking ** XObjectValue::get template method is applied directly using parameter pack unpacking * implemented custom IndexSequence / Sequence type to provide vector indexes * modified all external functions to provide matching constructDocument overloads
2014-05-31Revamped external function result treesAdrian Kummerländer
* the root node of the result tree of each function is a domain element ** i.e. the root node of "read-xml-file" is "file", the root node of "read-directory" is "directory" * the root node contains the result state of the function call encoded in a "result" attribute ** possible values are "success" and "error" ** the root node may contain additional attributes such as the target path of a called transformation * the actual function result is contained within the child nodes of the function root node ** i.e. the XML file tree returned by "read-xml-file" is a child of the function root node ** if specific errors occured they are also returned as child nodes of the function root node *** this is currently only the case for "transform" where transformation errors are returned as "error" value node childs of the function root node * updated test cases accordingly
2014-05-26Revamped external execute function into a external text formatter functionAdrian Kummerländer
* importing XML output of a called executable into the result document required special logic which clashed with a general execute function * general execute function may be implemented in the future ** support for external text formatters with XML output has a higher priority * current implementation enables calling a markdown parser and including the XHTML output into the document