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#include "boost/optional.hpp"
#include "boost/program_options.hpp"
#include <string>
#include <vector>
#include <iostream>
#include "plattform_guard.h"
#include "transformation_facade.h"
class WarningGuard {
public:
WarningGuard(InputXSLT::TransformationFacade* transformation):
transformation_(transformation) { };
~WarningGuard() {
InputXSLT::WarningCapacitor::warning_cache_ptr warnings(
this->transformation_->getCachedWarnings()
);
for ( auto&& warning : *warnings ) {
std::cerr << warning << std::endl;
}
};
private:
InputXSLT::TransformationFacade* const transformation_;
};
boost::optional<boost::program_options::variables_map> input(
int argc,
char** argv
) {
boost::program_options::options_description optionDescription(
"Supported options"
);
optionDescription.add_options()
(
"transformation",
boost::program_options::value<std::string>()->required(),
"transformation file"
)
(
"target",
boost::program_options::value<std::string>(),
"target file"
)
(
"include",
boost::program_options::value<std::vector<std::string>>(),
"include paths"
)
;
boost::program_options::variables_map variables;
try {
boost::program_options::store(
boost::program_options::parse_command_line(
argc, argv, optionDescription
),
variables
);
boost::program_options::notify(variables);
}
catch ( const std::exception& exception ) {
std::cerr << exception.what() << std::endl;
std::cout << optionDescription << std::endl;
return boost::optional<boost::program_options::variables_map>();
}
return boost::make_optional(variables);
}
void handleErrors(const InputXSLT::ErrorCapacitor::error_cache& errors) {
for ( auto&& error : errors ) {
std::cerr << error << std::endl;
}
}
bool process(const boost::program_options::variables_map& variables) {
std::vector<std::string> includePath;
if ( variables.count("include") ) {
includePath = variables["include"].as<std::vector<std::string>>();
};
InputXSLT::PlattformGuard plattform(includePath);
if ( auto transformation = InputXSLT::TransformationFacade::try_create(
variables["transformation"].as<std::string>(),
plattform.getEntityResolver(),
handleErrors
) ) {
WarningGuard guard(transformation.get());
try {
if ( variables.count("target") ) {
transformation->generate(
variables["target"].as<std::string>()
);
} else {
transformation->generate(std::cout);
}
return true;
}
catch (const InputXSLT::ErrorCapacitor::exception& exception) {
handleErrors(*exception);
return false;
}
}
return false;
}
int main(int argc, char** argv) {
if ( auto variables = input(argc, argv) ) {
if ( process(*variables) ) {
return 0;
} else {
return 1;
}
} else {
return 1;
}
}
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