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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/parsers/XercesDOMParser.hpp>
#include <xercesc/framework/LocalFileInputSource.hpp>
#include "boost/filesystem/fstream.hpp"
#include "support/xerces_string_guard.h"
#include "support/dom/result_node_facade.h"
namespace {
inline bool isXmlFile(const boost::filesystem::path& filePath) {
return filePath.extension() == ".xml" ||
filePath.extension() == ".xsl";
}
inline xercesc::DOMNode* readXmlFile(
const boost::filesystem::path& filePath,
xercesc::DOMDocument* const domDocument
) {
const xercesc::LocalFileInputSource file(
*InputXSLT::XercesStringGuard<XMLCh>(filePath.string().data())
);
xercesc::XercesDOMParser parser;
parser.parse(file);
return domDocument->importNode(
parser.getDocument()->getDocumentElement(),
true
);
}
inline std::string readPlainFile(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(
boost::filesystem::path filePath) {
xercesc::DOMDocument* const domDocument(
xercesc::DOMImplementation::getImplementation()->createDocument(
nullptr,
*XercesStringGuard<XMLCh>("content"),
nullptr
)
);
xercesc::DOMNode* const rootNode(
domDocument->getDocumentElement()
);
ResultNodeFacade result(domDocument, rootNode, "file");
result.setAttribute("path", filePath.string());
if ( boost::filesystem::is_regular_file(filePath) ) {
try {
if ( isXmlFile(filePath) ) {
result.setAttribute("type", "xml");
result.setContent(
readXmlFile(filePath.string(), domDocument)
);
} else {
result.setAttribute("type", "plain");
result.setContent(
readPlainFile(filePath)
);
}
result.setAttribute("result", "success");
}
catch ( const xercesc::DOMException& exception ) {
result.setAttribute("result", "error");
result.setValueNode(
"error",
*XercesStringGuard<char>(exception.msg)
);
}
} else {
result.setAttribute("result", "error");
}
return domDocument;
}
}
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