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ENH: Let wasm/default-parameter-map output TOML, instead of JSON #347

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ENH: Let wasm/default-parameter-map output TOML, instead of JSON #347

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2 changes: 1 addition & 1 deletion wasm/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -122,5 +122,5 @@ add_test(NAME write-parameter-files-multiple-test
add_test(NAME default-parameter-map-test
COMMAND default-parameter-map
affine
${CMAKE_CURRENT_BINARY_DIR}/affine_default_parameters.json
${CMAKE_CURRENT_BINARY_DIR}/affine_default_parameters.toml
)
35 changes: 6 additions & 29 deletions wasm/default-parameter-map.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -18,10 +18,7 @@
#include "elxParameterObject.h"
#include "itkPipeline.h"
#include "itkOutputTextStream.h"

#include "rapidjson/document.h"
#include "rapidjson/prettywriter.h"
#include "rapidjson/stringbuffer.h"
#include "Install/elxConversion.h"

int
main(int argc, char * argv[])
Expand All @@ -44,38 +41,18 @@ main(int argc, char * argv[])
finalGridSpacingInPhysicalUnits,
"Final grid spacing in physical units for bspline transforms.");

itk::wasm::OutputTextStream parameterMapJson;
pipeline.add_option("parameter-map", parameterMapJson, "Elastix parameter map representation")
itk::wasm::OutputTextStream outputTextStream;
pipeline.add_option("parameter-map", outputTextStream, "Elastix parameter map representation")
->required()
->type_name("OUTPUT_JSON");
->type_name("OUTPUT_TEXT_STREAM");

ITK_WASM_PARSE(pipeline);

using ParameterObjectType = elastix::ParameterObject;
auto parameterMap =
ParameterObjectType::GetDefaultParameterMap(transformName, numberOfResolutions, finalGridSpacingInPhysicalUnits);

rapidjson::Document document;
document.SetObject();
rapidjson::Document::AllocatorType & allocator = document.GetAllocator();

for (const auto & parameter : parameterMap)
{
const auto & key = parameter.first;
const auto & value = parameter.second;
rapidjson::Value valueJson(rapidjson::kArrayType);
for (const auto & valueElement : value)
{
valueJson.PushBack(rapidjson::Value(valueElement.c_str(), allocator).Move(), allocator);
}
document.AddMember(rapidjson::Value(key.c_str(), allocator).Move(), valueJson, allocator);
}

rapidjson::StringBuffer buffer;
rapidjson::PrettyWriter<rapidjson::StringBuffer> writer(buffer);
document.Accept(writer);

parameterMapJson.Get() << buffer.GetString();

outputTextStream.Get() << elastix::Conversion::ParameterMapToString(parameterMap,
elastix::ParameterMapStringFormat::Toml);
return EXIT_SUCCESS;
}
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