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#include "read_file.h"
#include <xercesc/dom/DOMDocument.hpp>
#include <xercesc/dom/DOMImplementation.hpp>
#include <xercesc/dom/DOMElement.hpp>
#include <xercesc/dom/DOMText.hpp>
#include "boost/filesystem/fstream.hpp"
#include "support/xerces_string_guard.h"
namespace {
inline std::string readFile(const boost::filesystem::path& filePath) {
boost::filesystem::ifstream file(filePath);
return std::string(
(std::istreambuf_iterator<char>(file)),
(std::istreambuf_iterator<char>())
);
}
}
namespace InputXSLT {
xercesc::DOMDocument* FunctionReadFile::constructDocument(
const FilesystemContext& fsContext,
const FunctionBase::parameter_tuple& parameters
) {
const std::string& rawPath = std::get<0>(parameters);
boost::filesystem::path filePath(fsContext.resolve(rawPath));
if ( !(boost::filesystem::exists(filePath) &&
boost::filesystem::is_regular_file(filePath)) ) {
if ( auto resolvedPath = this->include_resolver_->resolve(rawPath) ) {
filePath = *resolvedPath;
}
}
xercesc::DOMDocument* const domDocument(
xercesc::DOMImplementation::getImplementation()->createDocument(
nullptr,
*XercesStringGuard<XMLCh>("content"),
nullptr
)
);
xercesc::DOMNode* const rootNode(
domDocument->getDocumentElement()
);
if ( boost::filesystem::is_regular_file(filePath) ) {
xercesc::DOMElement* const resultNode(
domDocument->createElement(*XercesStringGuard<XMLCh>("result"))
);
resultNode->setAttribute(
*XercesStringGuard<XMLCh>("name"),
*XercesStringGuard<XMLCh>(filePath.filename().string())
);
xercesc::DOMText* const resultTextNode(
domDocument->createTextNode(
*XercesStringGuard<XMLCh>(readFile(filePath))
)
);
resultNode->appendChild(resultTextNode);
rootNode->appendChild(resultNode);
} else {
xercesc::DOMElement* const resultNode(
domDocument->createElement(*XercesStringGuard<XMLCh>("error"))
);
rootNode->appendChild(resultNode);
}
return domDocument;
}
}
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