/**
* Relational pipes
* Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <cstdlib>
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <xercesc/sax2/SAX2XMLReader.hpp>
#include <xercesc/sax2/XMLReaderFactory.hpp>
#include <xercesc/sax2/DefaultHandler.hpp>
#include <xercesc/util/XMLString.hpp>
#include <relpipe/writer/typedefs.h>
#include "StreamInputSource.h"
namespace relpipe {
namespace in {
namespace xml {
using namespace relpipe::writer;
using namespace xercesc;
class XMLCommand {
private:
class RelpipeSaxHandler : public xercesc::DefaultHandler {
private:
unique_ptr<RelationalWriter> writer;
public:
RelpipeSaxHandler(std::ostream& output) : DefaultHandler(), writer(Factory::create(output)) {
}
void startDocument() override {
//XMLString::
// TODO: remove demo
writer->startRelation(L"xml",{
{L"event", TypeId::STRING},
{L"data", TypeId::STRING},
}, true);
}
void startElement(const XMLCh * const uri, const XMLCh * const localname, const XMLCh * const qname, const Attributes& attrs) override {
writer->writeAttribute(L"startElement");
writer->writeAttribute(L"");
}
void endElement(const XMLCh * const uri, const XMLCh * const localname, const XMLCh * const qname) override {
writer->writeAttribute(L"endElement");
writer->writeAttribute(L"");
}
void characters(const XMLCh * const chars, const XMLSize_t length) override {
writer->writeAttribute(L"characters");
writer->writeAttribute(to_wstring(length));
}
void endDocument() override {
writer->writeAttribute(L"endDocument");
writer->writeAttribute(L"");
}
};
public:
void process(std::istream& input, std::ostream& output) {
XMLPlatformUtils::Initialize();
unique_ptr<SAX2XMLReader> parser(XMLReaderFactory::createXMLReader());
parser->setFeature(XMLUni::fgSAX2CoreValidation, true);
parser->setFeature(XMLUni::fgSAX2CoreNameSpaces, true);
RelpipeSaxHandler saxHandler(output);
parser->setContentHandler(&saxHandler);
parser->setErrorHandler(&saxHandler);
StreamInputSource inputSource(input);
parser->parse(inputSource);
}
};
}
}
}