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#include "read_directory.h"
#include <xercesc/dom/DOMDocument.hpp>
#include <xercesc/dom/DOMImplementation.hpp>
#include <xercesc/dom/DOMElement.hpp>
#include <xercesc/dom/DOMText.hpp>
#include "support/xerces_string_guard.h"
#include "support/filesystem_context.h"
namespace {
using InputXSLT::XercesStringGuard;
xercesc::DOMDocument* constructDocument(
const InputXSLT::FilesystemContext& fsContext,
const boost::filesystem::path& directoryPath
) {
xercesc::DOMDocument* const domDocument(
xercesc::DOMImplementation::getImplementation()->createDocument(
nullptr,
*XercesStringGuard<XMLCh>("content"),
nullptr
)
);
xercesc::DOMNode* const rootNode(
domDocument->getDocumentElement()
);
if ( boost::filesystem::is_directory(directoryPath) ) {
fsContext.iterate(
directoryPath,
[&domDocument, &rootNode](const boost::filesystem::path& p) {
xercesc::DOMElement* const itemNode(
domDocument->createElement(*XercesStringGuard<XMLCh>("result"))
);
switch ( boost::filesystem::status(p).type() ) {
case boost::filesystem::regular_file: {
itemNode->setAttribute(
*XercesStringGuard<XMLCh>("type"),
*XercesStringGuard<XMLCh>("file")
);
break;
};
case boost::filesystem::directory_file: {
itemNode->setAttribute(
*XercesStringGuard<XMLCh>("type"),
*XercesStringGuard<XMLCh>("directory")
);
break;
};
default: {
itemNode->setAttribute(
*XercesStringGuard<XMLCh>("type"),
*XercesStringGuard<XMLCh>("misc")
);
break;
};
}
xercesc::DOMText* const textNode(
domDocument->createTextNode(
*XercesStringGuard<XMLCh>(p.filename().string())
)
);
itemNode->appendChild(textNode);
rootNode->appendChild(itemNode);
});
} else {
xercesc::DOMElement* const resultNode(
domDocument->createElement(*XercesStringGuard<XMLCh>("error"))
);
rootNode->appendChild(resultNode);
}
return domDocument;
}
}
namespace InputXSLT {
FunctionReadDirectory::FunctionReadDirectory():
document_cache_(std::make_shared<DomDocumentCache>()) { }
xalan::XObjectPtr FunctionReadDirectory::execute(
xalan::XPathExecutionContext& executionContext,
xalan::XalanNode*,
const xalan::XObjectPtr argument,
const xalan::Locator* locator
) const {
const FilesystemContext fsContext(locator);
const boost::filesystem::path directoryPath(
fsContext.resolve(argument->str())
);
DomDocumentCache::optional_item optionalCachedDocument(
this->document_cache_->get(directoryPath.string())
);
if ( !optionalCachedDocument.first ) {
optionalCachedDocument = this->document_cache_->create(
directoryPath.string(),
constructDocument(fsContext, directoryPath)
);
}
xalan::XPathExecutionContext::BorrowReturnMutableNodeRefList nodeList(
executionContext
);
nodeList->addNodes(
*optionalCachedDocument.second->getXalanDocument()
->getDocumentElement()
->getChildNodes()
);
return executionContext.getXObjectFactory().createNodeSet(nodeList);
}
FunctionReadDirectory* FunctionReadDirectory::clone(
xalan::MemoryManager& manager) const {
return xalan::XalanCopyConstruct(manager, *this);
}
const xalan::XalanDOMString& FunctionReadDirectory::getError(
xalan::XalanDOMString& result) const {
result.assign("The read-directory() function expects one argument of type string.");
return result;
}
}
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