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#include <xalanc/PlatformSupport/XalanOutputStreamPrintWriter.hpp>
#include <xalanc/PlatformSupport/XalanStdOutputStream.hpp>
#include <xalanc/XMLSupport/FormatterToXML.hpp>
#include <boost/optional.hpp>
#include <boost/program_options.hpp>
#include <boost/filesystem/fstream.hpp>
#include <string>
#include <vector>
#include <iostream>
#include "platform_guard.h"
#include "transformer_facade.h"
#include "support/xerces_string_guard.h"
namespace {
class WarningGuard {
public:
WarningGuard(InputXSLT::TransformerFacade* transformer):
transformer_(transformer) { };
~WarningGuard() {
InputXSLT::WarningCapacitor::warning_cache_ptr warnings(
this->transformer_->getCachedWarnings()
);
for ( auto&& warning : *warnings ) {
std::cerr << warning << std::endl;
}
};
private:
InputXSLT::TransformerFacade* const transformer_;
};
class StreamInputSource {
public:
StreamInputSource(
const boost::filesystem::path& actualPath,
const boost::filesystem::path& contextPath
):
StreamInputSource(
std::make_unique<boost::filesystem::ifstream>(
actualPath
),
contextPath
) { }
StreamInputSource(
std::unique_ptr<std::istream>&& inputStream,
const boost::filesystem::path& contextPath
):
stream_(std::move(inputStream)),
source_(stream_.get()) {
this->source_.setSystemId(
*InputXSLT::XercesStringGuard<XMLCh>(
"file://" + contextPath.string()
)
);
}
xalan::XSLTInputSource& operator*() {
return this->source_;
}
private:
std::unique_ptr<std::istream> stream_;
xalan::XSLTInputSource source_;
};
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"
)
(
"input",
boost::program_options::value<std::string>(),
"input 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;
}
}
template <typename... Arguments>
bool generate(
InputXSLT::IncludeEntityResolver* resolver,
std::basic_ostream<char>& target,
Arguments&&... arguments
) {
try {
InputXSLT::TransformerFacade transformer(resolver);
WarningGuard guard(&transformer);
xalan::XalanStdOutputStream output(target);
xalan::XalanOutputStreamPrintWriter writer(output);
xalan::FormatterToXML formatter(writer);
formatter.setDoIndent(true);
transformer.generate(
std::forward<Arguments>(arguments)...,
formatter
);
return true;
}
catch (const InputXSLT::ErrorCapacitor::exception& exception) {
handleErrors(*exception);
return false;
}
}
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::PlatformGuard platform(includePath);
StreamInputSource transformationSource(
variables["transformation"].as<std::string>(),
boost::filesystem::current_path()
);
if ( variables.count("target") ) {
boost::filesystem::ofstream file(
variables["target"].as<std::string>()
);
if ( file.is_open() ) {
if ( variables.count("input") ) {
return generate(
platform.getEntityResolver(),
file,
variables["input"].as<std::string>().data(),
*transformationSource
);
} else {
return generate(
platform.getEntityResolver(),
file,
*transformationSource
);
}
} else {
return false;
}
} else {
if ( variables.count("input") ) {
return generate(
platform.getEntityResolver(),
std::cout,
variables["input"].as<std::string>().data(),
*transformationSource
);
} else {
return generate(
platform.getEntityResolver(),
std::cout,
*transformationSource
);
}
}
}
}
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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