Commit 0832b9b9 authored by Amy Squillacote's avatar Amy Squillacote

ENH: script to help with converting vtkDataSetToDataSetFilters to use the new pipeline

parent f844f464
# This file attempts to convert an old pipeline filter to a new pipeline
# filter. Run it with a -DCLASS=classname it will use that class name
# for processing
IF (NOT DEFINED CLASS)
MESSAGE ("You did not specify the class to process. Usage: cmake -DCLASS=vtkMyClass -P NewPipeConvertDataSet" FATAL_ERROR)
ENDIF (NOT DEFINED CLASS)
FILE (GLOB H_FILE ${CLASS}.h)
FILE (GLOB CXX_FILE ${CLASS}.cxx)
# read in both files
FILE (READ ${H_FILE} H_CONTENTS)
FILE (READ ${CXX_FILE} CXX_CONTENTS)
#================================================================
# First do the H file
#================================================================
STRING (REGEX REPLACE
"vtkDataSetToDataSetFilter"
"vtkDataSetAlgorithm"
H_CONTENTS "${H_CONTENTS}")
STRING (REGEX REPLACE
"void[ \t]+Execute[ \t]*\\([ \t]*\\)"
"int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *)"
H_CONTENTS "${H_CONTENTS}")
STRING (REGEX REPLACE
"void[ \t]+ExecuteInformation[ \t]*\\([ \t]*\\)"
"int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *)"
H_CONTENTS "${H_CONTENTS}")
STRING (REGEX REPLACE
"void[ \t]+ComputeInputUpdateExtents[ \t]*\\([ \t]*[^)]*\\)"
"int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *)"
H_CONTENTS "${H_CONTENTS}")
FILE (WRITE ${H_FILE} "${H_CONTENTS}")
#================================================================
# Now do the CXX files
#================================================================
STRING (REGEX REPLACE
"::Execute[ \t]*\\([^{]*{"
"::RequestData(\n vtkInformation *vtkNotUsed(request),\n vtkInformationVector **inputVector,\n vtkInformationVector *outputVector)\n{\n // get the info objects\n vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);\n vtkInformation *outInfo = outputVector->GetInformationObject(0);\n\n // get the input and ouptut\n vtkDataSet *input = vtkDataSet::SafeDownCast(\n inInfo->Get(vtkDataObject::DATA_OBJECT()));\n vtkDataSet *output = vtkDataSet::SafeDownCast(\n outInfo->Get(vtkDataObject::DATA_OBJECT()));\n"
CXX_CONTENTS "${CXX_CONTENTS}")
STRING (REGEX REPLACE
"::ExecuteInformation[ \t]*\\([^{]*{"
"::RequestInformation(\n vtkInformation *vtkNotUsed(request),\n vtkInformationVector **inputVector,\n vtkInformationVector *outputVector)\n{\n // get the info objects\n vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);\n vtkInformation *outInfo = outputVector->GetInformationObject(0);\n"
CXX_CONTENTS "${CXX_CONTENTS}")
STRING (REGEX REPLACE
"::ComputeInputUpdateExtents[ \t]*\\([^{]*{"
"::RequestUpdateExtent(\n vtkInformation *vtkNotUsed(request),\n vtkInformationVector **inputVector,\n vtkInformationVector *outputVector)\n{\n // get the info objects\n vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);\n vtkInformation *outInfo = outputVector->GetInformationObject(0);\n"
CXX_CONTENTS "${CXX_CONTENTS}")
# add some useful include files if needed
IF ("${CXX_CONTENTS}" MATCHES ".*vtkInformation.*")
# do not do these replacements multiple times
IF (NOT "${CXX_CONTENTS}" MATCHES ".*vtkInformation.h.*")
STRING (REGEX REPLACE
"vtkObjectFactory.h"
"vtkInformation.h\"\n#include \"vtkInformationVector.h\"\n#include \"vtkObjectFactory.h"
CXX_CONTENTS "${CXX_CONTENTS}")
ENDIF (NOT "${CXX_CONTENTS}" MATCHES ".*vtkInformation.h.*")
ENDIF ("${CXX_CONTENTS}" MATCHES ".*vtkInformation.*")
FILE (WRITE ${CXX_FILE} "${CXX_CONTENTS}")
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