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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
2014-05-29Improved TransformationFacade error handlingAdrian Kummerländer
* ErrorHandler class created in 5859cb6 now caches all errors instead of pushing them to std::cerr ** cached errors are retrieved by TransformationFacade's "generate" member method * test frontend pushes all errors to std::cerr * FunctionTransform returns errors to the calling template as XML ** FunctionTransform test case demonstrates how one may test for successful transformation * "generate" member method returns std::string vector wrapped in a std::unique_ptr ** this is used as a kind of optional pointer, as the std::unique_ptr instance only wraps a vector if errors where actually generated
2014-05-28Implemented basic ErrorHandlerAdrian Kummerländer
* InputXSLT::ErrorHandler is derived from xercesc::ErrorHandler and enables contextual printing of transformation errors ** currently this means that the error messages passed to std::cerr contain the full path of the offending transformation * added input trimming to the external transform function ** calls to this function from inside a transformation may contain unnecessary whitespace characters which disrupt further processing
2014-05-27Expanded "read-directory" test caseAdrian Kummerländer
* verifying type attribute and extension value node if available
2014-05-26Added "external-text-formatter" test caseAdrian Kummerländer
* test case requires markdown.pl formatter to be available in "/usr/bin/" * updated README.md to mention "external-text-formatter" instead of "execute" * updated "read-directory" test case reference file * included library resolution test into "read-file" and "read-xml-file" test cases
2014-05-24Implemented ResultNodeFacade as a DOM node construction helperAdrian Kummerländer
* wraps result node construction and appends it to root node on destruction * offers a simpler interface for common node construction patterns * simplifies result node construction in all external function implementations ** most noticeable in FunctionReadDirectory * expanded FunctionReadDirectory result nodes by name, extension, and full-path nodes
2014-05-21Added test case base template and improved transformer helper templateAdrian Kummerländer
* test case base template contains the basic test case markup ** it was mostly created to include include-path resolution into the test cases * improved transformer helper template by separating the external function call into its own variable
2014-05-17Improved FunctionTransform test case transformationsAdrian Kummerländer
* added basic "transformer" wrapper template to call "InputXSLT:transform" ** this removes the need to specifiy arguments in a separate xslt variable
2014-05-16Added XObjectPtr parameter to FunctionTransformAdrian Kummerländer
* the given XObject is passed to the called transformation ** this was done to enable templates to pass information to each other ** this should support any type usable in a XPath context to be passed as an argument * expanded FunctionTransform test case accordingly
2014-05-13Sorting FilesystemContext iteration resultsAdrian Kummerländer
* order of items in a directory was varying across platforms which hindered testability * they are now temporarily copied into a std::vector instance and then sorted using std::sort * updated "read_directory" test case reference file accordingly
2014-05-12Implemented basic external transform functionAdrian Kummerländer
* "InputXSLT:transform" expects two input arguments and executes the given transformation into the given target file ** this function respresents a important step in the direction of making it possible to write an actual static site generator on top of InputXSLT using XSLT * added basic "transform" test case * updated README.md to include this new function
2014-05-09Added default target file and path parametersAdrian Kummerländer
* the transformation is now provided with default parameters such as the target file and its parent directory * added appropriate test case ** default_params * test frontend now doesn't provide a "test" parameter anymore * extracted parameter setter into separate member method "setParameters" of TransformationFacade
2014-05-08Implemented black-box test casesAdrian Kummerländer
* the directories below "./test" contain test cases ** "transformation.xsl" and the expected result as "reference.xml" ** tests are performed by "check.sh" *** returns diff on error * this system enables simple verification of external function results ** way simpler than C++ unit tests would be in this scenario * expanded cmake instructions to automatically execute the test cases * old example transformation was removed